diff --git a/React/src/components/Account.js b/React/src/components/Account.js
index 109dc1c..c7dfcd6 100644
--- a/React/src/components/Account.js
+++ b/React/src/components/Account.js
@@ -9,40 +9,20 @@
 import React, { Component } from 'react';
 import { Tab, Tabs, TabList, TabPanel } from 'react-tabs';
 import 'react-tabs/style/react-tabs.css';
-import {DepositTrx, withdrawTrx, ChangeUsername} from "../utils/tronweb";
+import {ChangeUsername} from "../utils/tronweb";
 
 class Account extends React.Component {
   constructor(props) {
     super(props);
     this.state = {
-        DepositValue: 0,
         Username: ""
       };
 
-      this.handleDepositChange = this.handleDepositChange.bind(this);
-      this.handleDepositSubmit = this.handleDepositSubmit.bind(this);
-      this.handleWithdrawSubmit = this.handleWithdrawSubmit.bind(this);
-
       this.handleUserChange = this.handleUserChange.bind(this);
       this.handleUserSubmit = this.handleUserSubmit.bind(this);
 
   }
 
-  handleDepositChange(event) {
-    this.setState({DepositValue: event.target.value});
-  }
-
-  handleDepositSubmit(event) {
-    DepositTrx(this.state.DepositValue);
-    this.state.DepositValue = 0;
-    event.preventDefault();
-  }
-
-  handleWithdrawSubmit(event) {
-    withdrawTrx(true, 0);
-    this.state.WithdrawValue = 0;
-    event.preventDefault();
-  }
 
   handleUserChange(event) {
     this.setState({Username: event.target.value});
@@ -66,8 +46,6 @@ class Account extends React.Component {
                 <TabList>
                     <Tab>Current User Information</Tab>
                     <Tab>Update Username</Tab>
-                    <Tab>Deposit Trx</Tab>
-                    <Tab>Withdraw Trx</Tab>
                 </TabList>
 
             
@@ -76,8 +54,6 @@ class Account extends React.Component {
                     <h3>Current User Information</h3>
                     <p></p>
                         <strong>Username: </strong> {userData['UserName']}
-                    <p></p>
-                        <strong>Balance: </strong> {Number(userData['SunBalance'])/1000000} Trx
                     <p></p>
                         <strong>Address: </strong> {userData['TronAddress']}
                     <p></p>
@@ -107,38 +83,6 @@ class Account extends React.Component {
                 </div>
             </TabPanel>
 
-            <TabPanel>
-                <div className="Deposit">
-                    <h3>Deposit Trx</h3>
-
-                    <form onSubmit={this.handleDepositSubmit}>
-                        <label> Deposit Value </label>
-
-                        <div>
-                            <input type="number" value={this.state.DepositValue} onChange={this.handleDepositChange} />
-                        </div>
-
-                        <p></p>
-                            <input type="submit" class="btn btn-outline-dark" value="Deposit" />
-                        <p></p>
-                    </form>
-
-                </div>
-            </TabPanel>
-
-            <TabPanel>
-                <div className="Withdraw">
-                    <h3>Withdraw Trx</h3>
-
-                    <form onSubmit={this.handleWithdrawSubmit}>
-                        
-                        <p></p>
-                        <input type="submit" class="btn btn-outline-dark" value={ "Withdrawal Your " + (Number(userData['SunBalance'])/1000000).toString() + " Trx"} />
-                        <p></p>
-                    </form>
-                </div>
-            </TabPanel>
-
             </Tabs>
         </div>
       </div>
diff --git a/React/src/components/Donate.js b/React/src/components/Donate.js
index bd67812..be0f533 100644
--- a/React/src/components/Donate.js
+++ b/React/src/components/Donate.js
@@ -48,6 +48,7 @@ class Donate extends React.Component {
 
                               <p></p>
                 <strong>Post Has Earned: {this.props.donation['TrxDonation']}Trx </strong> 
+                
               <p></p>
             </form>
             </div>
diff --git a/React/src/utils/tronweb.js b/React/src/utils/tronweb.js
index cc6af7f..00b9480 100644
--- a/React/src/utils/tronweb.js
+++ b/React/src/utils/tronweb.js
@@ -23,8 +23,8 @@ const tronWebDefault = new TronWeb(
 
 //address of the contract
 // const contractAddress = "TGX6LGnhFgSUyG4oR7iU4bVTWUnMY9B7mP"; MAINNET
-const contractAddress = "TEQebZr8wuhyYMLXCdWi6LQA7z2gN1fEfY" //Shasta
-//const contractAddress = "TH4TJ961DbZ6fuJNf3gHwNgfwNcRxxYE6a"; // Quickstart
+//const contractAddress = "TEQebZr8wuhyYMLXCdWi6LQA7z2gN1fEfY" //Shasta
+const contractAddress = "TM2sSVEvbSGYjR5d6oS8cv529vqWZLF2h3"; // Quickstart
 
 
 function dynamicTronlink(){
@@ -366,77 +366,7 @@ export async function VoteOnComment(postid, commentid, votetype) {
 
 }
 
-// DEPOSIT, DONATION and WITHDRAW SYSTEM
-export async function DepositTrx(trxAmount) {
-
-    //load the contract 
-    const contract = await window.tronWeb.contract().at(contractAddress);
-
-    //convert tron amount into a sun value as sun is used as the call value
-    let sunAmount = Number(trxAmount * 1000000) // 1 trx is 1 million sun, call value is in sun.
-
-    //notify the user that the deposit has been attempted
-    Swal({title:'transaction to deposit ' + sunAmount.toString() + "Sun (" + trxAmount.toString() + " trx) has been sent",
-    type: 'info'
-    });
-
-    //submit the data to the blockchain
-    contract.deposit().send({
-        shouldPollResponse:true,
-        callValue: sunAmount
-
-    }).then(res => Swal({
-        title:'Deposit Made Successfully',
-        type: 'success'
-
-    })).catch(err => Swal(
-        {
-            title:'Deposit Failed',
-            type: 'error'
-        }
-    ));
-}
-
-export async function withdrawTrx(takeAll, trxAmount) {
-
-    //load the contract 
-    const contract = await window.tronWeb.contract().at(contractAddress);
-
-    //convert the postid into a useable form
-    let sunAmount = Number(trxAmount * 1000000) // 1 trx is 1 million sun, call value is in sun.
-    let sunHexValue = "0x" + Number(sunAmount).toString(16);
-
-    //notify the user that the deposit has been attempted
-    if(takeAll == true){
-
-        Swal({title:'transaction to withdraw Current trx balance has been sent',
-        type: 'info'
-        });
-
-    }else {
-
-        Swal({title:'transaction to withdraw ' + sunAmount.toString() + "Sun (" + trxAmount.toString() + " trx) has been sent",
-        type: 'info'
-        });
-
-    }
-
-    //submit the data to the blockchain
-    contract.withdraw(tronWeb.toHex(takeAll), sunHexValue).send({
-        shouldPollResponse:true,
-        callValue: 0
-
-    }).then(res => Swal({
-        title:'Withdrawal Successful',
-        type: 'success'
-
-    })).catch(err => Swal(
-        {
-            title:'Withdrawal Failed',
-            type: 'error'
-        }
-    ));
-}
+//DONATION SYSTEM
 
 export async function DonateTrx(postid, trxAmount) {
 
@@ -449,15 +379,15 @@ export async function DonateTrx(postid, trxAmount) {
     let id = "0x" + Number(postid).toString(16);
 
 
-    Swal({title:'Transaction to Donate ' + trxAmount.toString() + "trx from your contract balance sent",
+    Swal({title:'Transaction to Donate ' + trxAmount.toString() + "trx sent",
     type: 'info'
     });
 
 
     //submit the data to the blockchain
-    contract.makeDonation(id, sunHexValue).send({
+    contract.makeDonation(id).send({
         shouldPollResponse:true,
-        callValue: 0
+        callValue: sunAmount
 
     }).then(res => Swal({
         title:'Donation Successful',
@@ -551,18 +481,17 @@ export async function getUserData() {
     let senderAddress = await contract.getSenderAddress().call();
     let hexAdd = senderAddress;
     let add = tronWeb.address.fromHex(hexAdd);
-
-    let ContractBalance = await contract.getBalance(hexAdd).call();
-    let balance = tronWeb.toBigNumber(ContractBalance['_hex']).toNumber();
     
     let ContractUsername = await contract.getUsername(hexAdd).call();
     let username = hex2a(ContractUsername);
 
+    let balance = await tronWeb.trx.getBalance(add);
+
     user = {
         TronAddress : add,
         HexAddress : "0x" + hexAdd,
-        SunBalance : balance,
-        UserName : username
+        UserName : username,
+        SunBalance : balance
     }
 
     localStorage.setItem("User", JSON.stringify(user));
diff --git a/Solidity/build/contracts/NoFilter.json b/Solidity/build/contracts/NoFilter.json
index 9480816..f37a49a 100644
--- a/Solidity/build/contracts/NoFilter.json
+++ b/Solidity/build/contracts/NoFilter.json
@@ -81,40 +81,6 @@
       "name": "CommentCreated",
       "type": "event"
     },
-    {
-      "anonymous": false,
-      "inputs": [
-        {
-          "indexed": true,
-          "name": "depositer",
-          "type": "address"
-        },
-        {
-          "indexed": false,
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "Deposited",
-      "type": "event"
-    },
-    {
-      "anonymous": false,
-      "inputs": [
-        {
-          "indexed": true,
-          "name": "taker",
-          "type": "address"
-        },
-        {
-          "indexed": false,
-          "name": "value",
-          "type": "uint256"
-        }
-      ],
-      "name": "Withdrawal",
-      "type": "event"
-    },
     {
       "anonymous": false,
       "inputs": [
@@ -434,49 +400,18 @@
       "stateMutability": "view",
       "type": "function"
     },
-    {
-      "constant": false,
-      "inputs": [],
-      "name": "deposit",
-      "outputs": [],
-      "payable": true,
-      "stateMutability": "payable",
-      "type": "function"
-    },
-    {
-      "constant": false,
-      "inputs": [
-        {
-          "name": "withdrawall",
-          "type": "bool"
-        },
-        {
-          "name": "trxAmmount",
-          "type": "uint256"
-        }
-      ],
-      "name": "withdraw",
-      "outputs": [],
-      "payable": false,
-      "stateMutability": "nonpayable",
-      "type": "function"
-    },
     {
       "constant": false,
       "inputs": [
         {
           "name": "postId",
           "type": "uint256"
-        },
-        {
-          "name": "donationValue",
-          "type": "uint256"
         }
       ],
       "name": "makeDonation",
       "outputs": [],
-      "payable": false,
-      "stateMutability": "nonpayable",
+      "payable": true,
+      "stateMutability": "payable",
       "type": "function"
     },
     {
@@ -498,25 +433,6 @@
       "stateMutability": "view",
       "type": "function"
     },
-    {
-      "constant": true,
-      "inputs": [
-        {
-          "name": "user",
-          "type": "address"
-        }
-      ],
-      "name": "getBalance",
-      "outputs": [
-        {
-          "name": "",
-          "type": "uint256"
-        }
-      ],
-      "payable": false,
-      "stateMutability": "view",
-      "type": "function"
-    },
     {
       "constant": false,
       "inputs": [
@@ -565,24 +481,24 @@
       "type": "function"
     }
   ],
-  "bytecode": 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-  "source": "pragma solidity >=0.4.23;\r\n\r\n//No Filter is a dApp created for the Tron Accelerator\r\n//The smart contract enables content creation\r\n//as well as metric tracking and other logic\r\n//When coupled with the frontend, it creates an experience similar to a \r\n//traditional blog style social website such as medium and reddit\r\n//Created By Harnick Khera (Github.com/Hephyrius)\r\n//Repository can be found at (Github.com/Hephyrius/Nofilter)\r\n\r\ncontract NoFilter {\r\n    \r\n    //post related variables\r\n    uint postNumber; // keeps track of posts so that every one is unique\r\n    mapping (uint => address) postOwners; //Keeps track of who owns a specific post\r\n    mapping (uint => uint) upvotes; // keeps track of a posts vote counter\r\n    mapping (uint => uint) downvotes; // keeps track of a posts vote counter\r\n    mapping (address => mapping(uint => uint)) voters; //keeps track of a users voting history, helps to prevent vote spamming from a single account\r\n    \r\n    //comment related variables\r\n    mapping (uint => uint) commentCounter; // keeps track of posts so that every one is unique\r\n    mapping (uint => mapping(uint => address)) commentOwner; //Keeps track of who owns a specific post\r\n    mapping (uint => mapping(uint => uint)) commentUpVotes; // keeps track of a posts vote counter\r\n    mapping (uint => mapping(uint => uint)) commentDownVotes; // keeps track of a posts vote counter\r\n    mapping (address => mapping(uint => mapping(uint => uint))) commentVoters; //keeps track of a users voting history, helps to prevent vote spamming from a single account\r\n    \r\n    //Donation System\r\n    mapping (address => uint) balances;\r\n    mapping (uint => uint) postEarnings;\r\n    //mapping (uint => mapping(uint => uint)) commentEarnings;\r\n    \r\n    //username System\r\n    mapping (bytes32 => bool) usernamesTaken;\r\n    mapping (address => bytes32) usernames;\r\n    \r\n    constructor () public {\r\n        postNumber = 0;\r\n    }\r\n    \r\n    //Invoked when the post has been created, so that the dApp can access the content\r\n    event PostContent (\r\n        address indexed author,\r\n        uint indexed id,\r\n        bytes tags,\r\n        uint postTimestamp, //used to generate private post unique key\r\n        bytes title,\r\n        bytes text\r\n    );\r\n    \r\n    //create a new post, done by storing data in the logs. data can be in any form as long as it is byte data. This means data can be compressed\r\n    function CreatePost(bytes title, bytes text, bytes tags) public {\r\n        \r\n        //check that the data is correct\r\n        require(title.length > 0, \"Invalid title\");\r\n        require(text.length > 0, \"Invalid text\");\r\n        require(tags.length > 0, \"Invalid tags\");\r\n        \r\n        uint postId = postNumber;\r\n        //init the mapping and set the owner as the sender\r\n        postOwners[postId] = msg.sender;\r\n        \r\n        //init votes so that the owner has upvoted by default.\r\n        upvotes[postId] = 1;\r\n        voters[msg.sender][postId] = 1;\r\n        \r\n        //posts are stored in logs, it allows to reduce post invocation cost\r\n        emit PostContent(msg.sender, postId, tags, now, title, text);\r\n        \r\n        postNumber = postId + 1;\r\n    }\r\n    \r\n    //get the owner of a post\r\n    function getOwner(uint postId) public view returns (address) {\r\n        return postOwners[postId];\r\n    }\r\n    \r\n    //upvote a post \r\n    function UpvotePost(uint postId) public {\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n        \r\n        uint knownType = voters[msg.sender][postId];\r\n        require(knownType != 1, \"Upvote already done\");\r\n        if (knownType == 2) {\r\n            downvotes[postId] -= 1;\r\n        }\r\n        voters[msg.sender][postId] = 1;\r\n        upvotes[postId] += 1;\r\n    }\r\n    \r\n    //downvote a post \r\n    function DownvotePost(uint postId) public {\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n\r\n        uint knownType = voters[msg.sender][postId];\r\n        require(knownType != 2, \"downvote already done\");\r\n        if (knownType == 1) {\r\n            upvotes[postId] -= 1;\r\n        }\r\n        voters[msg.sender][postId] = 2;\r\n        downvotes[postId] += 1;\r\n    }\r\n    \r\n    //get the vote data\r\n    function getUpVotes(uint postId) public view returns (uint) {\r\n        return upvotes[postId];\r\n    }\r\n\r\n    //get the vote data\r\n    function getDownVotes(uint postId) public view returns (uint) {\r\n        return downvotes[postId];\r\n    }\r\n    \r\n    //get the voter data\r\n    function getVoterData(uint postId, address voter) public view returns (uint) {\r\n        return voters[voter][postId];\r\n    }\r\n\r\n    /////////// Comment functionality\r\n\r\n    //stores a log comment on the blockchain when commented\r\n    event CommentCreated (\r\n        address indexed commenter,\r\n        uint indexed postId,\r\n        bytes comment,\r\n        uint parentComment,\r\n\t\tuint commentTimestamp,\r\n\t\tuint commentId\r\n    );\r\n    \r\n    function PostComment(bytes text, uint postId, uint parentComment) public {\r\n        require(postId >= 0, \"comment is not for a valid post\");\r\n        require(postId < postNumber, \"comment is for a non existent post\");\r\n        require(text.length > 0, \"comment comment is empty\");\r\n\t\t\r\n\t\t//update comment related variables\r\n        uint commentId = commentCounter[postId];\r\n\t\t\r\n\t\t//emit to the blockchain\r\n        emit CommentCreated(msg.sender, postId, text, parentComment, now, commentId);\r\n        \r\n\r\n        commentOwner[postId][commentId] = msg.sender;\r\n        \r\n        //deal with upvote data\r\n        commentUpVotes[postId][commentId] = 1;\r\n        commentVoters[msg.sender][postId][commentId] = 1;\r\n        \r\n        //increment counter when done\r\n        commentCounter[postId] = commentId + 1;\r\n    }\r\n    \r\n    //upvote a post \r\n    function UpvoteComment(uint postId, uint commendId) public {\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n        \r\n        require(commendId >= 0, \"comment id is not valid\");\r\n        require(commendId <= commentCounter[postId], \"comment id is non existent\");\r\n        require(commentVoters[msg.sender][postId][commendId] != 1, \"Upvote already done\");\r\n\r\n        if (commentVoters[msg.sender][postId][commendId] == 2) {\r\n            commentDownVotes[postId][commendId] -= 1;\r\n        }\r\n\r\n        commentVoters[msg.sender][postId][commendId] = 1;\r\n        commentUpVotes[postId][commendId] += 1;\r\n    }\r\n    \r\n    //downvote a post \r\n    function DownvoteComment(uint postId, uint commendId) public {\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n        \r\n        require(commendId >= 0, \"comment id is not valid\");\r\n        require(commendId <= commentCounter[postId], \"comment id is non existent\");\r\n        require(commentVoters[msg.sender][postId][commendId] != 2, \"Upvote already done\");\r\n        \r\n        if (commentVoters[msg.sender][postId][commendId] == 1) {\r\n            commentUpVotes[postId][commendId] -= 1;\r\n        }\r\n\r\n        commentVoters[msg.sender][postId][commendId] = 2;\r\n        commentDownVotes[postId][commendId] += 1;\r\n    }\r\n    \r\n    //get the comment vote data\r\n    function getCommentUpVotes(uint postId, uint commendId) public view returns (uint) {\r\n        return commentUpVotes[postId][commendId];\r\n    }\r\n\r\n    //get the comment vote data\r\n    function getCommentDownVotes(uint postId, uint commendId) public view returns (uint) {\r\n        return commentDownVotes[postId][commendId];\r\n    }\r\n    \r\n    //get the comment voter data\r\n    function getCommentVoterData(uint postId, uint commendId, address commenter) public view returns (uint) {\r\n        return commentVoters[commenter][postId][commendId];\r\n    } \r\n\r\n    //get the total number of posts\r\n    function getPostCounter() public view returns (uint) {\r\n        return postNumber;\r\n    }\r\n    \r\n    //deposit and Withdrawal System\r\n    \r\n    //Invoked when a donation is made\r\n    event Deposited (\r\n        address indexed depositer,\r\n        uint value\r\n    );\r\n    \r\n    //deposit trx into the smart contract\r\n    function deposit() public payable {\r\n        require(msg.value > 0, \"no attached value\");\r\n        balances[msg.sender] += msg.value;\r\n        emit Deposited(msg.sender, msg.value);\r\n    }\r\n    \r\n    //Invoked when a Withdrawal is made\r\n    event Withdrawal (\r\n        address indexed taker,\r\n        uint value\r\n    );\r\n    \r\n    \r\n    //Withdraw funds\r\n    function withdraw(bool withdrawall, uint trxAmmount) public {\r\n        \r\n        //either withdraw all the funds for a user \r\n        if(withdrawall == true){\r\n            uint balance = balances[msg.sender];\r\n            require(balance > 0, \"Sender does not have funds\");\r\n            balances[msg.sender] = 0;\r\n            msg.sender.transfer(balance);\r\n            emit Withdrawal(msg.sender, balance);\r\n        }\r\n        else{ //or take out a specific amount of tron\r\n            require(trxAmmount > 0, \"Incorrect withdraw value\");\r\n            require(balances[msg.sender] >= trxAmmount, \"attempting to withdraw too much\");\r\n            balances[msg.sender] -= trxAmmount;\r\n            msg.sender.transfer(trxAmmount);\r\n            emit Withdrawal(msg.sender, trxAmmount);\r\n        }\r\n    }\r\n    \r\n    //Donation System \r\n    \r\n    //make a donation to a post\r\n    function makeDonation(uint postId, uint donationValue) public {\r\n        \r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n        \r\n        require(donationValue > 0, \"no attached value\");\r\n        require(donationValue <= balances[msg.sender]);\r\n        \r\n        \r\n        balances[msg.sender] -= donationValue;\r\n        \r\n        //post owner\r\n        address owner = postOwners[postId];\r\n        balances[owner] += donationValue;\r\n        postEarnings[postId] += donationValue;\r\n        emit DonationMade(msg.sender, donationValue, now, postId);\r\n    }\r\n    \r\n    //Invoked when a donation is made\r\n    event DonationMade (\r\n        address indexed donator,\r\n        uint indexed donationValue,\r\n        uint donationTimestamp,\r\n        uint postid\r\n    );\r\n    \r\n    //get post donations\r\n    function getPostDonations(uint postId) public view returns (uint) {\r\n        return postEarnings[postId];\r\n    }\r\n    \r\n    //get user balance\r\n    function getBalance(address user) public view returns (uint) {\r\n        return balances[user];\r\n    }\r\n    \r\n    // Username System\r\n    //Invoked when the post has been created, so that the dApp can access the content\r\n    event UsernameCreated (\r\n        address indexed user,\r\n        bytes32 indexed username\r\n    );\r\n    \r\n    //create a new post, done by storing data in the logs. data can be in any form as long as it is byte data. This means data can be compressed\r\n    function SetUsername(bytes32 username) public {\r\n        \r\n        require (usernamesTaken[username] == false, \"username is registered to an owner already\");\r\n        \r\n        bytes32 currentUsername = usernames[msg.sender];\r\n        require(currentUsername != username, \"This username is already set to the sender\");\r\n        \r\n        //if the user does not have a username then set it\r\n        if(currentUsername == 0x0){\r\n            usernames[msg.sender] = username;\r\n            usernamesTaken[username] = true;\r\n        }else{\r\n        //else update the currently known username and make the old username available to other users\r\n            usernames[msg.sender] = username;\r\n            usernamesTaken[username] = true;\r\n            usernamesTaken[currentUsername] = false;\r\n        }\r\n        //posts are stored in logs, it allows to reduce post invocation cost\r\n        emit UsernameCreated(msg.sender, username);\r\n        \r\n    }\r\n    \r\n    //get the stored username for a given address\r\n    function getUsername(address user) public view returns (bytes32) {\r\n        return usernames[user];\r\n    }\r\n\r\n    //UTIL FUNCTIONS\r\n\r\n    //get the user\r\n    function getSenderAddress() public view returns (address) {\r\n        return msg.sender;\r\n    }\r\n}\r\n",
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+  "source": "pragma solidity >=0.4.23;\r\n\r\n//No Filter is a dApp created for the Tron Accelerator\r\n//The smart contract enables content creation\r\n//as well as metric tracking and other logic\r\n//When coupled with the frontend, it creates an experience similar to a \r\n//traditional blog style social website such as medium and reddit\r\n//Created By Harnick Khera (Github.com/Hephyrius)\r\n//Repository can be found at (Github.com/Hephyrius/Nofilter)\r\n\r\ncontract NoFilter {\r\n    \r\n    //post related variables\r\n    uint postNumber; // keeps track of posts so that every one is unique\r\n    mapping (uint => address) postOwners; //Keeps track of who owns a specific post\r\n    mapping (uint => uint) upvotes; // keeps track of a posts vote counter\r\n    mapping (uint => uint) downvotes; // keeps track of a posts vote counter\r\n    mapping (address => mapping(uint => uint)) voters; //keeps track of a users voting history, helps to prevent vote spamming from a single account\r\n    \r\n    //comment related variables\r\n    mapping (uint => uint) commentCounter; // keeps track of posts so that every one is unique\r\n    mapping (uint => mapping(uint => address)) commentOwner; //Keeps track of who owns a specific post\r\n    mapping (uint => mapping(uint => uint)) commentUpVotes; // keeps track of a posts vote counter\r\n    mapping (uint => mapping(uint => uint)) commentDownVotes; // keeps track of a posts vote counter\r\n    mapping (address => mapping(uint => mapping(uint => uint))) commentVoters; //keeps track of a users voting history, helps to prevent vote spamming from a single account\r\n    \r\n    //Donation System\r\n    mapping (uint => uint) postEarnings;\r\n    //mapping (uint => mapping(uint => uint)) commentEarnings;\r\n    \r\n    //username System\r\n    mapping (bytes32 => bool) usernamesTaken;\r\n    mapping (address => bytes32) usernames;\r\n    \r\n    constructor () public {\r\n        postNumber = 0;\r\n    }\r\n    \r\n    //Invoked when the post has been created, so that the dApp can access the content\r\n    event PostContent (\r\n        address indexed author,\r\n        uint indexed id,\r\n        bytes tags,\r\n        uint postTimestamp, //used to generate private post unique key\r\n        bytes title,\r\n        bytes text\r\n    );\r\n    \r\n    //create a new post, done by storing data in the logs. data can be in any form as long as it is byte data. This means data can be compressed\r\n    function CreatePost(bytes title, bytes text, bytes tags) public {\r\n        \r\n        //check that the data is correct\r\n        require(title.length > 0, \"Invalid title\");\r\n        require(text.length > 0, \"Invalid text\");\r\n        require(tags.length > 0, \"Invalid tags\");\r\n        \r\n        uint postId = postNumber;\r\n        //init the mapping and set the owner as the sender\r\n        postOwners[postId] = msg.sender;\r\n        \r\n        //init votes so that the owner has upvoted by default.\r\n        upvotes[postId] = 1;\r\n        voters[msg.sender][postId] = 1;\r\n        \r\n        //posts are stored in logs, it allows to reduce post invocation cost\r\n        emit PostContent(msg.sender, postId, tags, now, title, text);\r\n        \r\n        postNumber = postId + 1;\r\n    }\r\n    \r\n    //get the owner of a post\r\n    function getOwner(uint postId) public view returns (address) {\r\n        return postOwners[postId];\r\n    }\r\n    \r\n    //upvote a post \r\n    function UpvotePost(uint postId) public {\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n        \r\n        uint knownType = voters[msg.sender][postId];\r\n        require(knownType != 1, \"Upvote already done\");\r\n        if (knownType == 2) {\r\n            downvotes[postId] -= 1;\r\n        }\r\n        voters[msg.sender][postId] = 1;\r\n        upvotes[postId] += 1;\r\n    }\r\n    \r\n    //downvote a post \r\n    function DownvotePost(uint postId) public {\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n\r\n        uint knownType = voters[msg.sender][postId];\r\n        require(knownType != 2, \"downvote already done\");\r\n        if (knownType == 1) {\r\n            upvotes[postId] -= 1;\r\n        }\r\n        voters[msg.sender][postId] = 2;\r\n        downvotes[postId] += 1;\r\n    }\r\n    \r\n    //get the vote data\r\n    function getUpVotes(uint postId) public view returns (uint) {\r\n        return upvotes[postId];\r\n    }\r\n\r\n    //get the vote data\r\n    function getDownVotes(uint postId) public view returns (uint) {\r\n        return downvotes[postId];\r\n    }\r\n    \r\n    //get the voter data\r\n    function getVoterData(uint postId, address voter) public view returns (uint) {\r\n        return voters[voter][postId];\r\n    }\r\n\r\n    /////////// Comment functionality\r\n\r\n    //stores a log comment on the blockchain when commented\r\n    event CommentCreated (\r\n        address indexed commenter,\r\n        uint indexed postId,\r\n        bytes comment,\r\n        uint parentComment,\r\n\t\tuint commentTimestamp,\r\n\t\tuint commentId\r\n    );\r\n    \r\n    function PostComment(bytes text, uint postId, uint parentComment) public {\r\n        require(postId >= 0, \"comment is not for a valid post\");\r\n        require(postId < postNumber, \"comment is for a non existent post\");\r\n        require(text.length > 0, \"comment comment is empty\");\r\n\t\t\r\n\t\t//update comment related variables\r\n        uint commentId = commentCounter[postId];\r\n\t\t\r\n\t\t//emit to the blockchain\r\n        emit CommentCreated(msg.sender, postId, text, parentComment, now, commentId);\r\n        \r\n\r\n        commentOwner[postId][commentId] = msg.sender;\r\n        \r\n        //deal with upvote data\r\n        commentUpVotes[postId][commentId] = 1;\r\n        commentVoters[msg.sender][postId][commentId] = 1;\r\n        \r\n        //increment counter when done\r\n        commentCounter[postId] = commentId + 1;\r\n    }\r\n    \r\n    //upvote a post \r\n    function UpvoteComment(uint postId, uint commendId) public {\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n        \r\n        require(commendId >= 0, \"comment id is not valid\");\r\n        require(commendId <= commentCounter[postId], \"comment id is non existent\");\r\n        require(commentVoters[msg.sender][postId][commendId] != 1, \"Upvote already done\");\r\n\r\n        if (commentVoters[msg.sender][postId][commendId] == 2) {\r\n            commentDownVotes[postId][commendId] -= 1;\r\n        }\r\n\r\n        commentVoters[msg.sender][postId][commendId] = 1;\r\n        commentUpVotes[postId][commendId] += 1;\r\n    }\r\n    \r\n    //downvote a post \r\n    function DownvoteComment(uint postId, uint commendId) public {\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n        \r\n        require(commendId >= 0, \"comment id is not valid\");\r\n        require(commendId <= commentCounter[postId], \"comment id is non existent\");\r\n        require(commentVoters[msg.sender][postId][commendId] != 2, \"Upvote already done\");\r\n        \r\n        if (commentVoters[msg.sender][postId][commendId] == 1) {\r\n            commentUpVotes[postId][commendId] -= 1;\r\n        }\r\n\r\n        commentVoters[msg.sender][postId][commendId] = 2;\r\n        commentDownVotes[postId][commendId] += 1;\r\n    }\r\n    \r\n    //get the comment vote data\r\n    function getCommentUpVotes(uint postId, uint commendId) public view returns (uint) {\r\n        return commentUpVotes[postId][commendId];\r\n    }\r\n\r\n    //get the comment vote data\r\n    function getCommentDownVotes(uint postId, uint commendId) public view returns (uint) {\r\n        return commentDownVotes[postId][commendId];\r\n    }\r\n    \r\n    //get the comment voter data\r\n    function getCommentVoterData(uint postId, uint commendId, address commenter) public view returns (uint) {\r\n        return commentVoters[commenter][postId][commendId];\r\n    } \r\n\r\n    //get the total number of posts\r\n    function getPostCounter() public view returns (uint) {\r\n        return postNumber;\r\n    }\r\n\r\n    //Donation System \r\n    \r\n    //make a donation to a post\r\n    function makeDonation(uint postId) public payable {\r\n        require(msg.value > 0, \"no attached value\");\r\n        require(postId >= 0, \"votes is not for a valid post\");\r\n        require(postId < postNumber, \"votes is for a non existent post\");\r\n        \r\n        address owner = postOwners[postId];\r\n        owner.transfer(msg.value);\r\n        \r\n        //post owner\r\n        postEarnings[postId] += msg.value;\r\n        emit DonationMade(msg.sender, msg.value, now, postId);\r\n    }\r\n    \r\n    //Invoked when a donation is made\r\n    event DonationMade (\r\n        address indexed donator,\r\n        uint indexed donationValue,\r\n        uint donationTimestamp,\r\n        uint postid\r\n    );\r\n    \r\n    //get post donations\r\n    function getPostDonations(uint postId) public view returns (uint) {\r\n        return postEarnings[postId];\r\n    }\r\n    \r\n    // Username System\r\n    //Invoked when the post has been created, so that the dApp can access the content\r\n    event UsernameCreated (\r\n        address indexed user,\r\n        bytes32 indexed username\r\n    );\r\n    \r\n    //create a new post, done by storing data in the logs. data can be in any form as long as it is byte data. This means data can be compressed\r\n    function SetUsername(bytes32 username) public {\r\n        \r\n        require (usernamesTaken[username] == false, \"username is registered to an owner already\");\r\n        \r\n        bytes32 currentUsername = usernames[msg.sender];\r\n        require(currentUsername != username, \"This username is already set to the sender\");\r\n        \r\n        //if the user does not have a username then set it\r\n        if(currentUsername == 0x0){\r\n            usernames[msg.sender] = username;\r\n            usernamesTaken[username] = true;\r\n        }else{\r\n        //else update the currently known username and make the old username available to other users\r\n            usernames[msg.sender] = username;\r\n            usernamesTaken[username] = true;\r\n            usernamesTaken[currentUsername] = false;\r\n        }\r\n        //posts are stored in logs, it allows to reduce post invocation cost\r\n        emit UsernameCreated(msg.sender, username);\r\n        \r\n    }\r\n    \r\n    //get the stored username for a given address\r\n    function getUsername(address user) public view returns (bytes32) {\r\n        return usernames[user];\r\n    }\r\n\r\n    //UTIL FUNCTIONS\r\n\r\n    //get the user\r\n    function getSenderAddress() public view returns (address) {\r\n        return msg.sender;\r\n    }\r\n}\r\n",
   "sourcePath": "C:\\Users\\Khera\\Documents\\GitHub\\TronDappSteedium\\Solidity\\contracts\\NoFilter.sol",
   "ast": {
     "absolutePath": "/C/Users/Khera/Documents/GitHub/TronDappSteedium/Solidity/contracts/NoFilter.sol",
     "exportedSymbols": {
       "NoFilter": [
-        1070
+        857
       ]
     },
-    "id": 1071,
+    "id": 858,
     "nodeType": "SourceUnit",
     "nodes": [
       {
-        "id": 58,
+        "id": 1,
         "literals": [
           "solidity",
           ">=",
@@ -590,7 +506,7 @@
           ".23"
         ],
         "nodeType": "PragmaDirective",
-        "src": "0:25:1"
+        "src": "0:25:0"
       },
       {
         "baseContracts": [],
@@ -598,20 +514,20 @@
         "contractKind": "contract",
         "documentation": null,
         "fullyImplemented": true,
-        "id": 1070,
+        "id": 857,
         "linearizedBaseContracts": [
-          1070
+          857
         ],
         "name": "NoFilter",
         "nodeType": "ContractDefinition",
         "nodes": [
           {
             "constant": false,
-            "id": 60,
+            "id": 3,
             "name": "postNumber",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "495:15:1",
+            "scope": 857,
+            "src": "495:15:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -619,10 +535,10 @@
               "typeString": "uint256"
             },
             "typeName": {
-              "id": 59,
+              "id": 2,
               "name": "uint",
               "nodeType": "ElementaryTypeName",
-              "src": "495:4:1",
+              "src": "495:4:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_uint256",
                 "typeString": "uint256"
@@ -633,11 +549,11 @@
           },
           {
             "constant": false,
-            "id": 64,
+            "id": 7,
             "name": "postOwners",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "569:36:1",
+            "scope": 857,
+            "src": "569:36:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -645,28 +561,28 @@
               "typeString": "mapping(uint256 => address)"
             },
             "typeName": {
-              "id": 63,
+              "id": 6,
               "keyType": {
-                "id": 61,
+                "id": 4,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "578:4:1",
+                "src": "578:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
                 }
               },
               "nodeType": "Mapping",
-              "src": "569:25:1",
+              "src": "569:25:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$",
                 "typeString": "mapping(uint256 => address)"
               },
               "valueType": {
-                "id": 62,
+                "id": 5,
                 "name": "address",
                 "nodeType": "ElementaryTypeName",
-                "src": "586:7:1",
+                "src": "586:7:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_address",
                   "typeString": "address"
@@ -678,11 +594,11 @@
           },
           {
             "constant": false,
-            "id": 68,
+            "id": 11,
             "name": "upvotes",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "654:30:1",
+            "scope": 857,
+            "src": "654:30:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -690,28 +606,28 @@
               "typeString": "mapping(uint256 => uint256)"
             },
             "typeName": {
-              "id": 67,
+              "id": 10,
               "keyType": {
-                "id": 65,
+                "id": 8,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "663:4:1",
+                "src": "663:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
                 }
               },
               "nodeType": "Mapping",
-              "src": "654:22:1",
+              "src": "654:22:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                 "typeString": "mapping(uint256 => uint256)"
               },
               "valueType": {
-                "id": 66,
+                "id": 9,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "671:4:1",
+                "src": "671:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
@@ -723,11 +639,11 @@
           },
           {
             "constant": false,
-            "id": 72,
+            "id": 15,
             "name": "downvotes",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "730:32:1",
+            "scope": 857,
+            "src": "730:32:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -735,28 +651,28 @@
               "typeString": "mapping(uint256 => uint256)"
             },
             "typeName": {
-              "id": 71,
+              "id": 14,
               "keyType": {
-                "id": 69,
+                "id": 12,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "739:4:1",
+                "src": "739:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
                 }
               },
               "nodeType": "Mapping",
-              "src": "730:22:1",
+              "src": "730:22:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                 "typeString": "mapping(uint256 => uint256)"
               },
               "valueType": {
-                "id": 70,
+                "id": 13,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "747:4:1",
+                "src": "747:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
@@ -768,11 +684,11 @@
           },
           {
             "constant": false,
-            "id": 78,
+            "id": 21,
             "name": "voters",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "808:49:1",
+            "scope": 857,
+            "src": "808:49:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -780,46 +696,46 @@
               "typeString": "mapping(address => mapping(uint256 => uint256))"
             },
             "typeName": {
-              "id": 77,
+              "id": 20,
               "keyType": {
-                "id": 73,
+                "id": 16,
                 "name": "address",
                 "nodeType": "ElementaryTypeName",
-                "src": "817:7:1",
+                "src": "817:7:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_address",
                   "typeString": "address"
                 }
               },
               "nodeType": "Mapping",
-              "src": "808:42:1",
+              "src": "808:42:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                 "typeString": "mapping(address => mapping(uint256 => uint256))"
               },
               "valueType": {
-                "id": 76,
+                "id": 19,
                 "keyType": {
-                  "id": 74,
+                  "id": 17,
                   "name": "uint",
                   "nodeType": "ElementaryTypeName",
-                  "src": "836:4:1",
+                  "src": "836:4:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_uint256",
                     "typeString": "uint256"
                   }
                 },
                 "nodeType": "Mapping",
-                "src": "828:21:1",
+                "src": "828:21:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                   "typeString": "mapping(uint256 => uint256)"
                 },
                 "valueType": {
-                  "id": 75,
+                  "id": 18,
                   "name": "uint",
                   "nodeType": "ElementaryTypeName",
-                  "src": "844:4:1",
+                  "src": "844:4:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_uint256",
                     "typeString": "uint256"
@@ -832,11 +748,11 @@
           },
           {
             "constant": false,
-            "id": 82,
+            "id": 25,
             "name": "commentCounter",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "997:37:1",
+            "scope": 857,
+            "src": "997:37:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -844,28 +760,28 @@
               "typeString": "mapping(uint256 => uint256)"
             },
             "typeName": {
-              "id": 81,
+              "id": 24,
               "keyType": {
-                "id": 79,
+                "id": 22,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "1006:4:1",
+                "src": "1006:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
                 }
               },
               "nodeType": "Mapping",
-              "src": "997:22:1",
+              "src": "997:22:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                 "typeString": "mapping(uint256 => uint256)"
               },
               "valueType": {
-                "id": 80,
+                "id": 23,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "1014:4:1",
+                "src": "1014:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
@@ -877,11 +793,11 @@
           },
           {
             "constant": false,
-            "id": 88,
+            "id": 31,
             "name": "commentOwner",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "1093:55:1",
+            "scope": 857,
+            "src": "1093:55:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -889,46 +805,46 @@
               "typeString": "mapping(uint256 => mapping(uint256 => address))"
             },
             "typeName": {
-              "id": 87,
+              "id": 30,
               "keyType": {
-                "id": 83,
+                "id": 26,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "1102:4:1",
+                "src": "1102:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
                 }
               },
               "nodeType": "Mapping",
-              "src": "1093:42:1",
+              "src": "1093:42:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_address_$_$",
                 "typeString": "mapping(uint256 => mapping(uint256 => address))"
               },
               "valueType": {
-                "id": 86,
+                "id": 29,
                 "keyType": {
-                  "id": 84,
+                  "id": 27,
                   "name": "uint",
                   "nodeType": "ElementaryTypeName",
-                  "src": "1118:4:1",
+                  "src": "1118:4:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_uint256",
                     "typeString": "uint256"
                   }
                 },
                 "nodeType": "Mapping",
-                "src": "1110:24:1",
+                "src": "1110:24:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$",
                   "typeString": "mapping(uint256 => address)"
                 },
                 "valueType": {
-                  "id": 85,
+                  "id": 28,
                   "name": "address",
                   "nodeType": "ElementaryTypeName",
-                  "src": "1126:7:1",
+                  "src": "1126:7:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_address",
                     "typeString": "address"
@@ -941,11 +857,11 @@
           },
           {
             "constant": false,
-            "id": 94,
+            "id": 37,
             "name": "commentUpVotes",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "1197:54:1",
+            "scope": 857,
+            "src": "1197:54:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -953,46 +869,46 @@
               "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
             },
             "typeName": {
-              "id": 93,
+              "id": 36,
               "keyType": {
-                "id": 89,
+                "id": 32,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "1206:4:1",
+                "src": "1206:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
                 }
               },
               "nodeType": "Mapping",
-              "src": "1197:39:1",
+              "src": "1197:39:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                 "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
               },
               "valueType": {
-                "id": 92,
+                "id": 35,
                 "keyType": {
-                  "id": 90,
+                  "id": 33,
                   "name": "uint",
                   "nodeType": "ElementaryTypeName",
-                  "src": "1222:4:1",
+                  "src": "1222:4:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_uint256",
                     "typeString": "uint256"
                   }
                 },
                 "nodeType": "Mapping",
-                "src": "1214:21:1",
+                "src": "1214:21:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                   "typeString": "mapping(uint256 => uint256)"
                 },
                 "valueType": {
-                  "id": 91,
+                  "id": 34,
                   "name": "uint",
                   "nodeType": "ElementaryTypeName",
-                  "src": "1230:4:1",
+                  "src": "1230:4:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_uint256",
                     "typeString": "uint256"
@@ -1005,11 +921,11 @@
           },
           {
             "constant": false,
-            "id": 100,
+            "id": 43,
             "name": "commentDownVotes",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "1297:56:1",
+            "scope": 857,
+            "src": "1297:56:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -1017,46 +933,46 @@
               "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
             },
             "typeName": {
-              "id": 99,
+              "id": 42,
               "keyType": {
-                "id": 95,
+                "id": 38,
                 "name": "uint",
                 "nodeType": "ElementaryTypeName",
-                "src": "1306:4:1",
+                "src": "1306:4:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_uint256",
                   "typeString": "uint256"
                 }
               },
               "nodeType": "Mapping",
-              "src": "1297:39:1",
+              "src": "1297:39:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                 "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
               },
               "valueType": {
-                "id": 98,
+                "id": 41,
                 "keyType": {
-                  "id": 96,
+                  "id": 39,
                   "name": "uint",
                   "nodeType": "ElementaryTypeName",
-                  "src": "1322:4:1",
+                  "src": "1322:4:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_uint256",
                     "typeString": "uint256"
                   }
                 },
                 "nodeType": "Mapping",
-                "src": "1314:21:1",
+                "src": "1314:21:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                   "typeString": "mapping(uint256 => uint256)"
                 },
                 "valueType": {
-                  "id": 97,
+                  "id": 40,
                   "name": "uint",
                   "nodeType": "ElementaryTypeName",
-                  "src": "1330:4:1",
+                  "src": "1330:4:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_uint256",
                     "typeString": "uint256"
@@ -1069,11 +985,11 @@
           },
           {
             "constant": false,
-            "id": 108,
+            "id": 51,
             "name": "commentVoters",
             "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "1399:73:1",
+            "scope": 857,
+            "src": "1399:73:0",
             "stateVariable": true,
             "storageLocation": "default",
             "typeDescriptions": {
@@ -1081,64 +997,64 @@
               "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
             },
             "typeName": {
-              "id": 107,
+              "id": 50,
               "keyType": {
-                "id": 101,
+                "id": 44,
                 "name": "address",
                 "nodeType": "ElementaryTypeName",
-                "src": "1408:7:1",
+                "src": "1408:7:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_address",
                   "typeString": "address"
                 }
               },
               "nodeType": "Mapping",
-              "src": "1399:59:1",
+              "src": "1399:59:0",
               "typeDescriptions": {
                 "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$_$",
                 "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
               },
               "valueType": {
-                "id": 106,
+                "id": 49,
                 "keyType": {
-                  "id": 102,
+                  "id": 45,
                   "name": "uint",
                   "nodeType": "ElementaryTypeName",
-                  "src": "1427:4:1",
+                  "src": "1427:4:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_uint256",
                     "typeString": "uint256"
                   }
                 },
                 "nodeType": "Mapping",
-                "src": "1419:38:1",
+                "src": "1419:38:0",
                 "typeDescriptions": {
                   "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                   "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                 },
                 "valueType": {
-                  "id": 105,
+                  "id": 48,
                   "keyType": {
-                    "id": 103,
+                    "id": 46,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "1443:4:1",
+                    "src": "1443:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
                   "nodeType": "Mapping",
-                  "src": "1435:21:1",
+                  "src": "1435:21:0",
                   "typeDescriptions": {
                     "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                     "typeString": "mapping(uint256 => uint256)"
                   },
                   "valueType": {
-                    "id": 104,
+                    "id": 47,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "1451:4:1",
+                    "src": "1451:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
@@ -1152,56 +1068,11 @@
           },
           {
             "constant": false,
-            "id": 112,
-            "name": "balances",
-            "nodeType": "VariableDeclaration",
-            "scope": 1070,
-            "src": "1602:34:1",
-            "stateVariable": true,
-            "storageLocation": "default",
-            "typeDescriptions": {
-              "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$",
-              "typeString": "mapping(address => uint256)"
-            },
-            "typeName": {
-              "id": 111,
-              "keyType": {
-                "id": 109,
-                "name": "address",
-                "nodeType": "ElementaryTypeName",
-                "src": "1611:7:1",
-                "typeDescriptions": {
-                  "typeIdentifier": "t_address",
-                  "typeString": "address"
-                }
-              },
-              "nodeType": "Mapping",
-              "src": "1602:25:1",
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@@ -1209,28 +1080,28 @@
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@@ -1242,11 +1113,11 @@
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@@ -1254,28 +1125,28 @@
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@@ -1287,11 +1158,11 @@
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@@ -1299,28 +1170,28 @@
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@@ -1332,26 +1203,26 @@
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@@ -1362,14 +1233,14 @@
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@@ -1377,20 +1248,20 @@
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@@ -1509,12 +1380,12 @@
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@@ -1536,12 +1407,12 @@
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@@ -1563,12 +1434,12 @@
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@@ -1589,15 +1460,15 @@
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@@ -1609,7 +1480,7 @@
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                               "typeString": "bytes memory"
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@@ -1663,7 +1534,7 @@
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@@ -1741,7 +1612,7 @@
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@@ -1769,7 +1640,7 @@
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@@ -1780,14 +1651,14 @@
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@@ -1795,7 +1666,7 @@
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@@ -1873,7 +1744,7 @@
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                             "typeString": "uint256"
@@ -1912,14 +1783,14 @@
                         "rightExpression": {
                           "argumentTypes": null,
                           "hexValue": "30",
-                          "id": 174,
+                          "id": 113,
                           "isConstant": false,
                           "isLValue": false,
                           "isPure": true,
                           "kind": "number",
                           "lValueRequested": false,
                           "nodeType": "Literal",
-                          "src": "2662:1:1",
+                          "src": "2621:1:0",
                           "subdenomination": null,
                           "typeDescriptions": {
                             "typeIdentifier": "t_rational_0_by_1",
@@ -1927,7 +1798,7 @@
                           },
                           "value": "0"
                         },
-                        "src": "2648:15:1",
+                        "src": "2607:15:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bool",
                           "typeString": "bool"
@@ -1936,14 +1807,14 @@
                       {
                         "argumentTypes": null,
                         "hexValue": "496e76616c69642074616773",
-                        "id": 176,
+                        "id": 115,
                         "isConstant": false,
                         "isLValue": false,
                         "isPure": true,
                         "kind": "string",
                         "lValueRequested": false,
                         "nodeType": "Literal",
-                        "src": "2665:14:1",
+                        "src": "2624:14:0",
                         "subdenomination": null,
                         "typeDescriptions": {
                           "typeIdentifier": "t_stringliteral_7a9201aa9910499695931b3a163439a039c7f74763c01825f2936b9d81958c13",
@@ -1963,21 +1834,21 @@
                           "typeString": "literal_string \"Invalid tags\""
                         }
                       ],
-                      "id": 171,
+                      "id": 110,
                       "name": "require",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [
-                        1088,
-                        1089
+                        875,
+                        876
                       ],
-                      "referencedDeclaration": 1089,
-                      "src": "2640:7:1",
+                      "referencedDeclaration": 876,
+                      "src": "2599:7:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
                         "typeString": "function (bool,string memory) pure"
                       }
                     },
-                    "id": 177,
+                    "id": 116,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -1985,28 +1856,28 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "2640:40:1",
+                    "src": "2599:40:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
                   },
-                  "id": 178,
+                  "id": 117,
                   "nodeType": "ExpressionStatement",
-                  "src": "2640:40:1"
+                  "src": "2599:40:0"
                 },
                 {
                   "assignments": [
-                    180
+                    119
                   ],
                   "declarations": [
                     {
                       "constant": false,
-                      "id": 180,
+                      "id": 119,
                       "name": "postId",
                       "nodeType": "VariableDeclaration",
-                      "scope": 222,
-                      "src": "2701:11:1",
+                      "scope": 161,
+                      "src": "2660:11:0",
                       "stateVariable": false,
                       "storageLocation": "default",
                       "typeDescriptions": {
@@ -2014,10 +1885,10 @@
                         "typeString": "uint256"
                       },
                       "typeName": {
-                        "id": 179,
+                        "id": 118,
                         "name": "uint",
                         "nodeType": "ElementaryTypeName",
-                        "src": "2701:4:1",
+                        "src": "2660:4:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -2027,27 +1898,27 @@
                       "visibility": "internal"
                     }
                   ],
-                  "id": 182,
+                  "id": 121,
                   "initialValue": {
                     "argumentTypes": null,
-                    "id": 181,
+                    "id": 120,
                     "name": "postNumber",
                     "nodeType": "Identifier",
                     "overloadedDeclarations": [],
-                    "referencedDeclaration": 60,
-                    "src": "2715:10:1",
+                    "referencedDeclaration": 3,
+                    "src": "2674:10:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
                   "nodeType": "VariableDeclarationStatement",
-                  "src": "2701:24:1"
+                  "src": "2660:24:0"
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                 {
                   "expression": {
                     "argumentTypes": null,
-                    "id": 188,
+                    "id": 127,
                     "isConstant": false,
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                     "isPure": false,
@@ -2056,26 +1927,26 @@
                       "argumentTypes": null,
                       "baseExpression": {
                         "argumentTypes": null,
-                        "id": 183,
+                        "id": 122,
                         "name": "postOwners",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 64,
-                        "src": "2796:10:1",
+                        "referencedDeclaration": 7,
+                        "src": "2755:10:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$",
                           "typeString": "mapping(uint256 => address)"
                         }
                       },
-                      "id": 185,
+                      "id": 124,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 184,
+                        "id": 123,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 180,
-                        "src": "2807:6:1",
+                        "referencedDeclaration": 119,
+                        "src": "2766:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -2086,7 +1957,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "2796:18:1",
+                      "src": "2755:18:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_address",
                         "typeString": "address"
@@ -2098,18 +1969,18 @@
                       "argumentTypes": null,
                       "expression": {
                         "argumentTypes": null,
-                        "id": 186,
+                        "id": 125,
                         "name": "msg",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 1085,
-                        "src": "2817:3:1",
+                        "referencedDeclaration": 872,
+                        "src": "2776:3:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_magic_message",
                           "typeString": "msg"
                         }
                       },
-                      "id": 187,
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@@ -2117,26 +1988,26 @@
                       "memberName": "sender",
                       "nodeType": "MemberAccess",
                       "referencedDeclaration": null,
-                      "src": "2817:10:1",
+                      "src": "2776:10:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_address",
                         "typeString": "address"
                       }
                     },
-                    "src": "2796:31:1",
+                    "src": "2755:31:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_address",
                       "typeString": "address"
                     }
                   },
-                  "id": 189,
+                  "id": 128,
                   "nodeType": "ExpressionStatement",
-                  "src": "2796:31:1"
+                  "src": "2755:31:0"
                 },
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                   "expression": {
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@@ -2145,26 +2016,26 @@
                       "argumentTypes": null,
                       "baseExpression": {
                         "argumentTypes": null,
-                        "id": 190,
+                        "id": 129,
                         "name": "upvotes",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 68,
-                        "src": "2912:7:1",
+                        "referencedDeclaration": 11,
+                        "src": "2871:7:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 192,
+                      "id": 131,
                       "indexExpression": {
                         "argumentTypes": null,
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+                        "id": 130,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 180,
-                        "src": "2920:6:1",
+                        "referencedDeclaration": 119,
+                        "src": "2879:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -2175,7 +2046,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "2912:15:1",
+                      "src": "2871:15:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -2186,14 +2057,14 @@
                     "rightHandSide": {
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                       "hexValue": "31",
-                      "id": 193,
+                      "id": 132,
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                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "2930:1:1",
+                      "src": "2889:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -2201,20 +2072,20 @@
                       },
                       "value": "1"
                     },
-                    "src": "2912:19:1",
+                    "src": "2871:19:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
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+                  "id": 134,
                   "nodeType": "ExpressionStatement",
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+                  "src": "2871:19:0"
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@@ -2225,34 +2096,34 @@
                         "argumentTypes": null,
                         "baseExpression": {
                           "argumentTypes": null,
-                          "id": 196,
+                          "id": 135,
                           "name": "voters",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 78,
-                          "src": "2942:6:1",
+                          "referencedDeclaration": 21,
+                          "src": "2901:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(address => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 200,
+                        "id": 139,
                         "indexExpression": {
                           "argumentTypes": null,
                           "expression": {
                             "argumentTypes": null,
-                            "id": 197,
+                            "id": 136,
                             "name": "msg",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 1085,
-                            "src": "2949:3:1",
+                            "referencedDeclaration": 872,
+                            "src": "2908:3:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_magic_message",
                               "typeString": "msg"
                             }
                           },
-                          "id": 198,
+                          "id": 137,
                           "isConstant": false,
                           "isLValue": false,
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@@ -2260,7 +2131,7 @@
                           "memberName": "sender",
                           "nodeType": "MemberAccess",
                           "referencedDeclaration": null,
-                          "src": "2949:10:1",
+                          "src": "2908:10:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_address",
                             "typeString": "address"
@@ -2271,21 +2142,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "2942:18:1",
+                        "src": "2901:18:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 201,
+                      "id": 140,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 199,
+                        "id": 138,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 180,
-                        "src": "2961:6:1",
+                        "referencedDeclaration": 119,
+                        "src": "2920:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -2296,7 +2167,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "2942:26:1",
+                      "src": "2901:26:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -2307,14 +2178,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 202,
+                      "id": 141,
                       "isConstant": false,
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                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "2971:1:1",
+                      "src": "2930:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -2322,15 +2193,15 @@
                       },
                       "value": "1"
                     },
-                    "src": "2942:30:1",
+                    "src": "2901:30:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 204,
+                  "id": 143,
                   "nodeType": "ExpressionStatement",
-                  "src": "2942:30:1"
+                  "src": "2901:30:0"
                 },
                 {
                   "eventCall": {
@@ -2340,18 +2211,18 @@
                         "argumentTypes": null,
                         "expression": {
                           "argumentTypes": null,
-                          "id": 206,
+                          "id": 145,
                           "name": "msg",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 1085,
-                          "src": "3088:3:1",
+                          "referencedDeclaration": 872,
+                          "src": "3047:3:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_magic_message",
                             "typeString": "msg"
                           }
                         },
-                        "id": 207,
+                        "id": 146,
                         "isConstant": false,
                         "isLValue": false,
                         "isPure": false,
@@ -2359,7 +2230,7 @@
                         "memberName": "sender",
                         "nodeType": "MemberAccess",
                         "referencedDeclaration": null,
-                        "src": "3088:10:1",
+                        "src": "3047:10:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_address",
                           "typeString": "address"
@@ -2367,12 +2238,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 208,
+                        "id": 147,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 180,
-                        "src": "3100:6:1",
+                        "referencedDeclaration": 119,
+                        "src": "3059:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -2380,12 +2251,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 209,
+                        "id": 148,
                         "name": "tags",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 152,
-                        "src": "3108:4:1",
+                        "referencedDeclaration": 91,
+                        "src": "3067:4:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bytes_memory_ptr",
                           "typeString": "bytes memory"
@@ -2393,12 +2264,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 210,
+                        "id": 149,
                         "name": "now",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 1087,
-                        "src": "3114:3:1",
+                        "referencedDeclaration": 874,
+                        "src": "3073:3:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -2406,12 +2277,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 211,
+                        "id": 150,
                         "name": "title",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 148,
-                        "src": "3119:5:1",
+                        "referencedDeclaration": 87,
+                        "src": "3078:5:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bytes_memory_ptr",
                           "typeString": "bytes memory"
@@ -2419,12 +2290,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 212,
+                        "id": 151,
                         "name": "text",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 150,
-                        "src": "3126:4:1",
+                        "referencedDeclaration": 89,
+                        "src": "3085:4:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bytes_memory_ptr",
                           "typeString": "bytes memory"
@@ -2458,18 +2329,18 @@
                           "typeString": "bytes memory"
                         }
                       ],
-                      "id": 205,
+                      "id": 144,
                       "name": "PostContent",
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                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 146,
-                      "src": "3076:11:1",
+                      "referencedDeclaration": 85,
+                      "src": "3035:11:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$_t_bytes_memory_ptr_$_t_uint256_$_t_bytes_memory_ptr_$_t_bytes_memory_ptr_$returns$__$",
                         "typeString": "function (address,uint256,bytes memory,uint256,bytes memory,bytes memory)"
                       }
                     },
-                    "id": 213,
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@@ -2477,32 +2348,32 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "3076:55:1",
+                    "src": "3035:55:0",
                     "typeDescriptions": {
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                       "typeString": "tuple()"
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                   },
-                  "id": 214,
+                  "id": 153,
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-                  "src": "3071:60:1"
+                  "src": "3030:60:0"
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+                      "id": 154,
                       "name": "postNumber",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 60,
-                      "src": "3152:10:1",
+                      "referencedDeclaration": 3,
+                      "src": "3111:10:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -2516,19 +2387,19 @@
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
                       },
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+                        "id": 155,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 180,
-                        "src": "3165:6:1",
+                        "referencedDeclaration": 119,
+                        "src": "3124:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -2539,14 +2410,14 @@
                       "rightExpression": {
                         "argumentTypes": null,
                         "hexValue": "31",
-                        "id": 217,
+                        "id": 156,
                         "isConstant": false,
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                         "isPure": true,
                         "kind": "number",
                         "lValueRequested": false,
                         "nodeType": "Literal",
-                        "src": "3174:1:1",
+                        "src": "3133:1:0",
                         "subdenomination": null,
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@@ -2554,26 +2425,26 @@
                         },
                         "value": "1"
                       },
-                      "src": "3165:10:1",
+                      "src": "3124:10:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
                       }
                     },
-                    "src": "3152:23:1",
+                    "src": "3111:23:0",
                     "typeDescriptions": {
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                       "typeString": "uint256"
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-                  "src": "3152:23:1"
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@@ -2581,16 +2452,16 @@
             "name": "CreatePost",
             "nodeType": "FunctionDefinition",
             "parameters": {
-              "id": 153,
+              "id": 92,
               "nodeType": "ParameterList",
               "parameters": [
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                   "constant": false,
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+                  "id": 87,
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-                  "src": "2429:11:1",
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@@ -2598,10 +2469,10 @@
                     "typeString": "bytes"
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+                    "id": 86,
                     "name": "bytes",
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-                    "src": "2429:5:1",
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                     "typeDescriptions": {
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                       "typeString": "bytes"
@@ -2612,11 +2483,11 @@
                 },
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-                  "src": "2442:10:1",
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@@ -2624,10 +2495,10 @@
                     "typeString": "bytes"
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+                    "id": 88,
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-                    "src": "2442:5:1",
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@@ -2638,11 +2509,11 @@
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@@ -2650,10 +2521,10 @@
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@@ -2663,52 +2534,52 @@
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@@ -2719,21 +2590,21 @@
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@@ -2758,10 +2629,10 @@
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@@ -2771,20 +2642,20 @@
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@@ -2792,10 +2663,10 @@
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@@ -2805,19 +2676,19 @@
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@@ -2829,19 +2700,19 @@
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@@ -2867,7 +2738,7 @@
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@@ -2945,19 +2816,19 @@
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@@ -2967,18 +2838,18 @@
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@@ -3065,10 +2936,10 @@
                         "typeString": "uint256"
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@@ -3078,41 +2949,41 @@
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@@ -3120,7 +2991,7 @@
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@@ -3131,21 +3002,21 @@
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@@ -3175,19 +3046,19 @@
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@@ -3198,14 +3069,14 @@
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@@ -3213,7 +3084,7 @@
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@@ -3249,21 +3120,21 @@
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@@ -3271,15 +3142,15 @@
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@@ -3288,19 +3159,19 @@
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@@ -3311,14 +3182,14 @@
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@@ -3326,25 +3197,25 @@
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                           "isLValue": false,
                           "isPure": false,
@@ -3353,26 +3224,26 @@
                             "argumentTypes": null,
                             "baseExpression": {
                               "argumentTypes": null,
-                              "id": 272,
+                              "id": 211,
                               "name": "downvotes",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 72,
-                              "src": "3711:9:1",
+                              "referencedDeclaration": 15,
+                              "src": "3670:9:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                                 "typeString": "mapping(uint256 => uint256)"
                               }
                             },
-                            "id": 274,
+                            "id": 213,
                             "indexExpression": {
                               "argumentTypes": null,
-                              "id": 273,
+                              "id": 212,
                               "name": "postId",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 236,
-                              "src": "3721:6:1",
+                              "referencedDeclaration": 175,
+                              "src": "3680:6:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_uint256",
                                 "typeString": "uint256"
@@ -3383,7 +3254,7 @@
                             "isPure": false,
                             "lValueRequested": true,
                             "nodeType": "IndexAccess",
-                            "src": "3711:17:1",
+                            "src": "3670:17:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_uint256",
                               "typeString": "uint256"
@@ -3394,14 +3265,14 @@
                           "rightHandSide": {
                             "argumentTypes": null,
                             "hexValue": "31",
-                            "id": 275,
+                            "id": 214,
                             "isConstant": false,
                             "isLValue": false,
                             "isPure": true,
                             "kind": "number",
                             "lValueRequested": false,
                             "nodeType": "Literal",
-                            "src": "3732:1:1",
+                            "src": "3691:1:0",
                             "subdenomination": null,
                             "typeDescriptions": {
                               "typeIdentifier": "t_rational_1_by_1",
@@ -3409,15 +3280,15 @@
                             },
                             "value": "1"
                           },
-                          "src": "3711:22:1",
+                          "src": "3670:22:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
                           }
                         },
-                        "id": 277,
+                        "id": 216,
                         "nodeType": "ExpressionStatement",
-                        "src": "3711:22:1"
+                        "src": "3670:22:0"
                       }
                     ]
                   }
@@ -3425,7 +3296,7 @@
                 {
                   "expression": {
                     "argumentTypes": null,
-                    "id": 287,
+                    "id": 226,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -3436,34 +3307,34 @@
                         "argumentTypes": null,
                         "baseExpression": {
                           "argumentTypes": null,
-                          "id": 280,
+                          "id": 219,
                           "name": "voters",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 78,
-                          "src": "3755:6:1",
+                          "referencedDeclaration": 21,
+                          "src": "3714:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(address => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 284,
+                        "id": 223,
                         "indexExpression": {
                           "argumentTypes": null,
                           "expression": {
                             "argumentTypes": null,
-                            "id": 281,
+                            "id": 220,
                             "name": "msg",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 1085,
-                            "src": "3762:3:1",
+                            "referencedDeclaration": 872,
+                            "src": "3721:3:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_magic_message",
                               "typeString": "msg"
                             }
                           },
-                          "id": 282,
+                          "id": 221,
                           "isConstant": false,
                           "isLValue": false,
                           "isPure": false,
@@ -3471,7 +3342,7 @@
                           "memberName": "sender",
                           "nodeType": "MemberAccess",
                           "referencedDeclaration": null,
-                          "src": "3762:10:1",
+                          "src": "3721:10:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_address",
                             "typeString": "address"
@@ -3482,21 +3353,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "3755:18:1",
+                        "src": "3714:18:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 285,
+                      "id": 224,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 283,
+                        "id": 222,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 236,
-                        "src": "3774:6:1",
+                        "referencedDeclaration": 175,
+                        "src": "3733:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -3507,7 +3378,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "3755:26:1",
+                      "src": "3714:26:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -3518,14 +3389,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 286,
+                      "id": 225,
                       "isConstant": false,
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                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "3784:1:1",
+                      "src": "3743:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -3533,20 +3404,20 @@
                       },
                       "value": "1"
                     },
-                    "src": "3755:30:1",
+                    "src": "3714:30:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 288,
+                  "id": 227,
                   "nodeType": "ExpressionStatement",
-                  "src": "3755:30:1"
+                  "src": "3714:30:0"
                 },
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                   "expression": {
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-                    "id": 293,
+                    "id": 232,
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@@ -3555,26 +3426,26 @@
                       "argumentTypes": null,
                       "baseExpression": {
                         "argumentTypes": null,
-                        "id": 289,
+                        "id": 228,
                         "name": "upvotes",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 68,
-                        "src": "3796:7:1",
+                        "referencedDeclaration": 11,
+                        "src": "3755:7:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 291,
+                      "id": 230,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 290,
+                        "id": 229,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 236,
-                        "src": "3804:6:1",
+                        "referencedDeclaration": 175,
+                        "src": "3763:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -3585,7 +3456,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "3796:15:1",
+                      "src": "3755:15:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -3596,14 +3467,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 292,
+                      "id": 231,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "3815:1:1",
+                      "src": "3774:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -3611,20 +3482,20 @@
                       },
                       "value": "1"
                     },
-                    "src": "3796:20:1",
+                    "src": "3755:20:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 294,
+                  "id": 233,
                   "nodeType": "ExpressionStatement",
-                  "src": "3796:20:1"
+                  "src": "3755:20:0"
                 }
               ]
             },
             "documentation": null,
-            "id": 296,
+            "id": 235,
             "implemented": true,
             "isConstructor": false,
             "isDeclaredConst": false,
@@ -3632,16 +3503,16 @@
             "name": "UpvotePost",
             "nodeType": "FunctionDefinition",
             "parameters": {
-              "id": 237,
+              "id": 176,
               "nodeType": "ParameterList",
               "parameters": [
                 {
                   "constant": false,
-                  "id": 236,
+                  "id": 175,
                   "name": "postId",
                   "nodeType": "VariableDeclaration",
-                  "scope": 296,
-                  "src": "3385:11:1",
+                  "scope": 235,
+                  "src": "3344:11:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -3649,10 +3520,10 @@
                     "typeString": "uint256"
                   },
                   "typeName": {
-                    "id": 235,
+                    "id": 174,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "3385:4:1",
+                    "src": "3344:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
@@ -3662,26 +3533,26 @@
                   "visibility": "internal"
                 }
               ],
-              "src": "3384:13:1"
+              "src": "3343:13:0"
             },
             "payable": false,
             "returnParameters": {
-              "id": 238,
+              "id": 177,
               "nodeType": "ParameterList",
               "parameters": [],
-              "src": "3405:0:1"
+              "src": "3364:0:0"
             },
-            "scope": 1070,
-            "src": "3365:459:1",
+            "scope": 857,
+            "src": "3324:459:0",
             "stateMutability": "nonpayable",
             "superFunction": null,
             "visibility": "public"
           },
           {
             "body": {
-              "id": 357,
+              "id": 296,
               "nodeType": "Block",
-              "src": "3902:413:1",
+              "src": "3861:413:0",
               "statements": [
                 {
                   "expression": {
@@ -3693,19 +3564,19 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
                         },
-                        "id": 304,
+                        "id": 243,
                         "isConstant": false,
                         "isLValue": false,
                         "isPure": false,
                         "lValueRequested": false,
                         "leftExpression": {
                           "argumentTypes": null,
-                          "id": 302,
+                          "id": 241,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 298,
-                          "src": "3921:6:1",
+                          "referencedDeclaration": 237,
+                          "src": "3880:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -3716,14 +3587,14 @@
                         "rightExpression": {
                           "argumentTypes": null,
                           "hexValue": "30",
-                          "id": 303,
+                          "id": 242,
                           "isConstant": false,
                           "isLValue": false,
                           "isPure": true,
                           "kind": "number",
                           "lValueRequested": false,
                           "nodeType": "Literal",
-                          "src": "3931:1:1",
+                          "src": "3890:1:0",
                           "subdenomination": null,
                           "typeDescriptions": {
                             "typeIdentifier": "t_rational_0_by_1",
@@ -3731,7 +3602,7 @@
                           },
                           "value": "0"
                         },
-                        "src": "3921:11:1",
+                        "src": "3880:11:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bool",
                           "typeString": "bool"
@@ -3740,14 +3611,14 @@
                       {
                         "argumentTypes": null,
                         "hexValue": "766f746573206973206e6f7420666f7220612076616c696420706f7374",
-                        "id": 305,
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                         "isConstant": false,
                         "isLValue": false,
                         "isPure": true,
                         "kind": "string",
                         "lValueRequested": false,
                         "nodeType": "Literal",
-                        "src": "3934:31:1",
+                        "src": "3893:31:0",
                         "subdenomination": null,
                         "typeDescriptions": {
                           "typeIdentifier": "t_stringliteral_ff3dacff5ff4f61cab4f46ef6127fdb7fdc77ddfb8b67e7ad2650377bf778ed8",
@@ -3767,21 +3638,21 @@
                           "typeString": "literal_string \"votes is not for a valid post\""
                         }
                       ],
-                      "id": 301,
+                      "id": 240,
                       "name": "require",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [
-                        1088,
-                        1089
+                        875,
+                        876
                       ],
-                      "referencedDeclaration": 1089,
-                      "src": "3913:7:1",
+                      "referencedDeclaration": 876,
+                      "src": "3872:7:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
                         "typeString": "function (bool,string memory) pure"
                       }
                     },
-                    "id": 306,
+                    "id": 245,
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@@ -3789,15 +3660,15 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "3913:53:1",
+                    "src": "3872:53:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
                   },
-                  "id": 307,
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+                  "src": "3872:53:0"
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                 {
                   "expression": {
@@ -3809,19 +3680,19 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
                         },
-                        "id": 311,
+                        "id": 250,
                         "isConstant": false,
                         "isLValue": false,
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                         "lValueRequested": false,
                         "leftExpression": {
                           "argumentTypes": null,
-                          "id": 309,
+                          "id": 248,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 298,
-                          "src": "3985:6:1",
+                          "referencedDeclaration": 237,
+                          "src": "3944:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -3831,18 +3702,18 @@
                         "operator": "<",
                         "rightExpression": {
                           "argumentTypes": null,
-                          "id": 310,
+                          "id": 249,
                           "name": "postNumber",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 60,
-                          "src": "3994:10:1",
+                          "referencedDeclaration": 3,
+                          "src": "3953:10:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
                           }
                         },
-                        "src": "3985:19:1",
+                        "src": "3944:19:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bool",
                           "typeString": "bool"
@@ -3851,14 +3722,14 @@
                       {
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                         "hexValue": "766f74657320697320666f722061206e6f6e206578697374656e7420706f7374",
-                        "id": 312,
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                         "isLValue": false,
                         "isPure": true,
                         "kind": "string",
                         "lValueRequested": false,
                         "nodeType": "Literal",
-                        "src": "4006:34:1",
+                        "src": "3965:34:0",
                         "subdenomination": null,
                         "typeDescriptions": {
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@@ -3878,21 +3749,21 @@
                           "typeString": "literal_string \"votes is for a non existent post\""
                         }
                       ],
-                      "id": 308,
+                      "id": 247,
                       "name": "require",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [
-                        1088,
-                        1089
+                        875,
+                        876
                       ],
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-                      "src": "3977:7:1",
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+                      "src": "3936:7:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
                         "typeString": "function (bool,string memory) pure"
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                     },
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+                    "id": 252,
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@@ -3900,28 +3771,28 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "3977:64:1",
+                    "src": "3936:64:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
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+                  "id": 253,
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+                  "src": "3936:64:0"
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+                      "id": 255,
                       "name": "knownType",
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-                      "src": "4054:14:1",
+                      "scope": 297,
+                      "src": "4013:14:0",
                       "stateVariable": false,
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@@ -3929,10 +3800,10 @@
                         "typeString": "uint256"
                       },
                       "typeName": {
-                        "id": 315,
+                        "id": 254,
                         "name": "uint",
                         "nodeType": "ElementaryTypeName",
-                        "src": "4054:4:1",
+                        "src": "4013:4:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -3942,41 +3813,41 @@
                       "visibility": "internal"
                     }
                   ],
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+                  "id": 262,
                   "initialValue": {
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                       "baseExpression": {
                         "argumentTypes": null,
-                        "id": 317,
+                        "id": 256,
                         "name": "voters",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 78,
-                        "src": "4071:6:1",
+                        "referencedDeclaration": 21,
+                        "src": "4030:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                           "typeString": "mapping(address => mapping(uint256 => uint256))"
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                           "name": "msg",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 1085,
-                          "src": "4078:3:1",
+                          "referencedDeclaration": 872,
+                          "src": "4037:3:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_magic_message",
                             "typeString": "msg"
                           }
                         },
-                        "id": 319,
+                        "id": 258,
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@@ -3984,7 +3855,7 @@
                         "memberName": "sender",
                         "nodeType": "MemberAccess",
                         "referencedDeclaration": null,
-                        "src": "4078:10:1",
+                        "src": "4037:10:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_address",
                           "typeString": "address"
@@ -3995,21 +3866,21 @@
                       "isPure": false,
                       "lValueRequested": false,
                       "nodeType": "IndexAccess",
-                      "src": "4071:18:1",
+                      "src": "4030:18:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                         "typeString": "mapping(uint256 => uint256)"
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                       "overloadedDeclarations": [],
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-                      "src": "4090:6:1",
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+                      "src": "4049:6:0",
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@@ -4020,14 +3891,14 @@
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                     "lValueRequested": false,
                     "nodeType": "IndexAccess",
-                    "src": "4071:26:1",
+                    "src": "4030:26:0",
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                       "typeString": "uint256"
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                   },
                   "nodeType": "VariableDeclarationStatement",
-                  "src": "4054:43:1"
+                  "src": "4013:43:0"
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@@ -4039,19 +3910,19 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
                         },
-                        "id": 327,
+                        "id": 266,
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                         "leftExpression": {
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+                          "id": 264,
                           "name": "knownType",
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@@ -4062,14 +3933,14 @@
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@@ -4077,7 +3948,7 @@
                           },
                           "value": "2"
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@@ -4086,14 +3957,14 @@
                       {
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@@ -4113,21 +3984,21 @@
                           "typeString": "literal_string \"downvote already done\""
                         }
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@@ -4135,15 +4006,15 @@
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-                    "src": "4108:48:1",
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@@ -4152,19 +4023,19 @@
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@@ -4175,14 +4046,14 @@
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@@ -4190,25 +4061,25 @@
                       },
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-                    "src": "4171:14:1",
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@@ -4217,26 +4088,26 @@
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@@ -4247,7 +4118,7 @@
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                             "nodeType": "IndexAccess",
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@@ -4258,14 +4129,14 @@
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@@ -4273,15 +4144,15 @@
                             },
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@@ -4300,34 +4171,34 @@
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@@ -4335,7 +4206,7 @@
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@@ -4346,21 +4217,21 @@
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@@ -4397,20 +4268,20 @@
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@@ -4419,26 +4290,26 @@
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@@ -4449,7 +4320,7 @@
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@@ -4460,14 +4331,14 @@
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@@ -4475,20 +4346,20 @@
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@@ -4496,16 +4367,16 @@
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@@ -4513,10 +4384,10 @@
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@@ -4526,52 +4397,52 @@
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@@ -4582,21 +4453,21 @@
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@@ -4604,16 +4475,16 @@
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@@ -4621,10 +4492,10 @@
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@@ -4634,20 +4505,20 @@
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@@ -4655,10 +4526,10 @@
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@@ -4668,45 +4539,45 @@
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@@ -4717,21 +4588,21 @@
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@@ -4739,16 +4610,16 @@
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@@ -4756,10 +4627,10 @@
                     "typeString": "uint256"
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                       "typeString": "uint256"
@@ -4769,20 +4640,20 @@
                   "visibility": "internal"
                 }
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@@ -4790,10 +4661,10 @@
                     "typeString": "uint256"
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@@ -4803,19 +4674,19 @@
                   "visibility": "internal"
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@@ -4824,26 +4695,26 @@
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-                        "src": "4724:6:1",
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                           "typeString": "mapping(address => mapping(uint256 => uint256))"
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@@ -4854,21 +4725,21 @@
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                       "lValueRequested": false,
                       "nodeType": "IndexAccess",
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                         "typeString": "mapping(uint256 => uint256)"
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@@ -4879,21 +4750,21 @@
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@@ -4901,16 +4772,16 @@
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@@ -4918,10 +4789,10 @@
                     "typeString": "uint256"
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@@ -4932,11 +4803,11 @@
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@@ -4944,10 +4815,10 @@
                     "typeString": "address"
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@@ -4957,20 +4828,20 @@
                   "visibility": "internal"
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@@ -4978,10 +4849,10 @@
                     "typeString": "uint256"
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@@ -4991,10 +4862,10 @@
                   "visibility": "internal"
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@@ -5002,21 +4873,21 @@
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@@ -5024,10 +4895,10 @@
                     "typeString": "address"
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@@ -5038,12 +4909,12 @@
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@@ -5051,10 +4922,10 @@
                     "typeString": "uint256"
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@@ -5065,12 +4936,12 @@
                 },
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@@ -5078,10 +4949,10 @@
                     "typeString": "bytes"
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@@ -5092,12 +4963,12 @@
                 },
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@@ -5105,10 +4976,10 @@
                     "typeString": "uint256"
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@@ -5119,12 +4990,12 @@
                 },
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@@ -5132,10 +5003,10 @@
                     "typeString": "uint256"
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@@ -5146,12 +5017,12 @@
                 },
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@@ -5159,10 +5030,10 @@
                     "typeString": "uint256"
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-                    "src": "5034:4:1",
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                       "typeString": "uint256"
@@ -5172,15 +5043,15 @@
                   "visibility": "internal"
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@@ -5192,19 +5063,19 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
                         },
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                           "name": "postId",
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                             "typeString": "uint256"
@@ -5215,14 +5086,14 @@
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                           "nodeType": "Literal",
-                          "src": "5170:1:1",
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@@ -5230,7 +5101,7 @@
                           },
                           "value": "0"
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-                        "src": "5160:11:1",
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@@ -5239,14 +5110,14 @@
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                         "nodeType": "Literal",
-                        "src": "5173:33:1",
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@@ -5266,21 +5137,21 @@
                           "typeString": "literal_string \"comment is not for a valid post\""
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@@ -5288,15 +5159,15 @@
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-                    "src": "5152:55:1",
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@@ -5308,19 +5179,19 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
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@@ -5330,18 +5201,18 @@
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@@ -5350,14 +5221,14 @@
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@@ -5377,21 +5248,21 @@
                           "typeString": "literal_string \"comment is for a non existent post\""
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@@ -5399,15 +5270,15 @@
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-                    "src": "5218:66:1",
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@@ -5419,7 +5290,7 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
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@@ -5428,18 +5299,18 @@
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                               "typeString": "bytes memory"
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@@ -5447,7 +5318,7 @@
                           "memberName": "length",
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@@ -5458,14 +5329,14 @@
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+                          "src": "5276:1:0",
                           "subdenomination": null,
                           "typeDescriptions": {
                             "typeIdentifier": "t_rational_0_by_1",
@@ -5473,7 +5344,7 @@
                           },
                           "value": "0"
                         },
-                        "src": "5303:15:1",
+                        "src": "5262:15:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bool",
                           "typeString": "bool"
@@ -5482,14 +5353,14 @@
                       {
                         "argumentTypes": null,
                         "hexValue": "636f6d6d656e7420636f6d6d656e7420697320656d707479",
-                        "id": 440,
+                        "id": 379,
                         "isConstant": false,
                         "isLValue": false,
                         "isPure": true,
                         "kind": "string",
                         "lValueRequested": false,
                         "nodeType": "Literal",
-                        "src": "5320:26:1",
+                        "src": "5279:26:0",
                         "subdenomination": null,
                         "typeDescriptions": {
                           "typeIdentifier": "t_stringliteral_86e7a1ab6a30f4dffb45e2144b047a5c3e897c143cb54acb6a1526a0a202db30",
@@ -5509,21 +5380,21 @@
                           "typeString": "literal_string \"comment comment is empty\""
                         }
                       ],
-                      "id": 435,
+                      "id": 374,
                       "name": "require",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [
-                        1088,
-                        1089
+                        875,
+                        876
                       ],
-                      "referencedDeclaration": 1089,
-                      "src": "5295:7:1",
+                      "referencedDeclaration": 876,
+                      "src": "5254:7:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
                         "typeString": "function (bool,string memory) pure"
                       }
                     },
-                    "id": 441,
+                    "id": 380,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -5531,28 +5402,28 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "5295:52:1",
+                    "src": "5254:52:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
                   },
-                  "id": 442,
+                  "id": 381,
                   "nodeType": "ExpressionStatement",
-                  "src": "5295:52:1"
+                  "src": "5254:52:0"
                 },
                 {
                   "assignments": [
-                    444
+                    383
                   ],
                   "declarations": [
                     {
                       "constant": false,
-                      "id": 444,
+                      "id": 383,
                       "name": "commentId",
                       "nodeType": "VariableDeclaration",
-                      "scope": 496,
-                      "src": "5400:14:1",
+                      "scope": 435,
+                      "src": "5359:14:0",
                       "stateVariable": false,
                       "storageLocation": "default",
                       "typeDescriptions": {
@@ -5560,10 +5431,10 @@
                         "typeString": "uint256"
                       },
                       "typeName": {
-                        "id": 443,
+                        "id": 382,
                         "name": "uint",
                         "nodeType": "ElementaryTypeName",
-                        "src": "5400:4:1",
+                        "src": "5359:4:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -5573,31 +5444,31 @@
                       "visibility": "internal"
                     }
                   ],
-                  "id": 448,
+                  "id": 387,
                   "initialValue": {
                     "argumentTypes": null,
                     "baseExpression": {
                       "argumentTypes": null,
-                      "id": 445,
+                      "id": 384,
                       "name": "commentCounter",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 82,
-                      "src": "5417:14:1",
+                      "referencedDeclaration": 25,
+                      "src": "5376:14:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                         "typeString": "mapping(uint256 => uint256)"
                       }
                     },
-                    "id": 447,
+                    "id": 386,
                     "indexExpression": {
                       "argumentTypes": null,
-                      "id": 446,
+                      "id": 385,
                       "name": "postId",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 416,
-                      "src": "5432:6:1",
+                      "referencedDeclaration": 355,
+                      "src": "5391:6:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -5608,14 +5479,14 @@
                     "isPure": false,
                     "lValueRequested": false,
                     "nodeType": "IndexAccess",
-                    "src": "5417:22:1",
+                    "src": "5376:22:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
                   "nodeType": "VariableDeclarationStatement",
-                  "src": "5400:39:1"
+                  "src": "5359:39:0"
                 },
                 {
                   "eventCall": {
@@ -5625,18 +5496,18 @@
                         "argumentTypes": null,
                         "expression": {
                           "argumentTypes": null,
-                          "id": 450,
+                          "id": 389,
                           "name": "msg",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 1085,
-                          "src": "5502:3:1",
+                          "referencedDeclaration": 872,
+                          "src": "5461:3:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_magic_message",
                             "typeString": "msg"
                           }
                         },
-                        "id": 451,
+                        "id": 390,
                         "isConstant": false,
                         "isLValue": false,
                         "isPure": false,
@@ -5644,7 +5515,7 @@
                         "memberName": "sender",
                         "nodeType": "MemberAccess",
                         "referencedDeclaration": null,
-                        "src": "5502:10:1",
+                        "src": "5461:10:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_address",
                           "typeString": "address"
@@ -5652,12 +5523,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 452,
+                        "id": 391,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 416,
-                        "src": "5514:6:1",
+                        "referencedDeclaration": 355,
+                        "src": "5473:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -5665,12 +5536,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 453,
+                        "id": 392,
                         "name": "text",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 414,
-                        "src": "5522:4:1",
+                        "referencedDeclaration": 353,
+                        "src": "5481:4:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bytes_memory_ptr",
                           "typeString": "bytes memory"
@@ -5678,12 +5549,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 454,
+                        "id": 393,
                         "name": "parentComment",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 418,
-                        "src": "5528:13:1",
+                        "referencedDeclaration": 357,
+                        "src": "5487:13:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -5691,12 +5562,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 455,
+                        "id": 394,
                         "name": "now",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 1087,
-                        "src": "5543:3:1",
+                        "referencedDeclaration": 874,
+                        "src": "5502:3:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -5704,12 +5575,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 456,
+                        "id": 395,
                         "name": "commentId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 444,
-                        "src": "5548:9:1",
+                        "referencedDeclaration": 383,
+                        "src": "5507:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -5743,18 +5614,18 @@
                           "typeString": "uint256"
                         }
                       ],
-                      "id": 449,
+                      "id": 388,
                       "name": "CommentCreated",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 412,
-                      "src": "5487:14:1",
+                      "referencedDeclaration": 351,
+                      "src": "5446:14:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$_t_bytes_memory_ptr_$_t_uint256_$_t_uint256_$_t_uint256_$returns$__$",
                         "typeString": "function (address,uint256,bytes memory,uint256,uint256,uint256)"
                       }
                     },
-                    "id": 457,
+                    "id": 396,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -5762,20 +5633,20 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "5487:71:1",
+                    "src": "5446:71:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
                   },
-                  "id": 458,
+                  "id": 397,
                   "nodeType": "EmitStatement",
-                  "src": "5482:76:1"
+                  "src": "5441:76:0"
                 },
                 {
                   "expression": {
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-                    "id": 466,
+                    "id": 405,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -5786,26 +5657,26 @@
                         "argumentTypes": null,
                         "baseExpression": {
                           "argumentTypes": null,
-                          "id": 459,
+                          "id": 398,
                           "name": "commentOwner",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 88,
-                          "src": "5581:12:1",
+                          "referencedDeclaration": 31,
+                          "src": "5540:12:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_address_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => address))"
                           }
                         },
-                        "id": 462,
+                        "id": 401,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 460,
+                          "id": 399,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 416,
-                          "src": "5594:6:1",
+                          "referencedDeclaration": 355,
+                          "src": "5553:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -5816,21 +5687,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "5581:20:1",
+                        "src": "5540:20:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$",
                           "typeString": "mapping(uint256 => address)"
                         }
                       },
-                      "id": 463,
+                      "id": 402,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 461,
+                        "id": 400,
                         "name": "commentId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 444,
-                        "src": "5602:9:1",
+                        "referencedDeclaration": 383,
+                        "src": "5561:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -5841,7 +5712,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "5581:31:1",
+                      "src": "5540:31:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_address",
                         "typeString": "address"
@@ -5853,18 +5724,18 @@
                       "argumentTypes": null,
                       "expression": {
                         "argumentTypes": null,
-                        "id": 464,
+                        "id": 403,
                         "name": "msg",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 1085,
-                        "src": "5615:3:1",
+                        "referencedDeclaration": 872,
+                        "src": "5574:3:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_magic_message",
                           "typeString": "msg"
                         }
                       },
-                      "id": 465,
+                      "id": 404,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": false,
@@ -5872,26 +5743,26 @@
                       "memberName": "sender",
                       "nodeType": "MemberAccess",
                       "referencedDeclaration": null,
-                      "src": "5615:10:1",
+                      "src": "5574:10:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_address",
                         "typeString": "address"
                       }
                     },
-                    "src": "5581:44:1",
+                    "src": "5540:44:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_address",
                       "typeString": "address"
                     }
                   },
-                  "id": 467,
+                  "id": 406,
                   "nodeType": "ExpressionStatement",
-                  "src": "5581:44:1"
+                  "src": "5540:44:0"
                 },
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                   "expression": {
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-                    "id": 474,
+                    "id": 413,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -5902,26 +5773,26 @@
                         "argumentTypes": null,
                         "baseExpression": {
                           "argumentTypes": null,
-                          "id": 468,
+                          "id": 407,
                           "name": "commentUpVotes",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 94,
-                          "src": "5679:14:1",
+                          "referencedDeclaration": 37,
+                          "src": "5638:14:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 471,
+                        "id": 410,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 469,
+                          "id": 408,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 416,
-                          "src": "5694:6:1",
+                          "referencedDeclaration": 355,
+                          "src": "5653:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -5932,21 +5803,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "5679:22:1",
+                        "src": "5638:22:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 472,
+                      "id": 411,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 470,
+                        "id": 409,
                         "name": "commentId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 444,
-                        "src": "5702:9:1",
+                        "referencedDeclaration": 383,
+                        "src": "5661:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -5957,7 +5828,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "5679:33:1",
+                      "src": "5638:33:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -5968,14 +5839,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 473,
+                      "id": 412,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "5715:1:1",
+                      "src": "5674:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -5983,20 +5854,20 @@
                       },
                       "value": "1"
                     },
-                    "src": "5679:37:1",
+                    "src": "5638:37:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 475,
+                  "id": 414,
                   "nodeType": "ExpressionStatement",
-                  "src": "5679:37:1"
+                  "src": "5638:37:0"
                 },
                 {
                   "expression": {
                     "argumentTypes": null,
-                    "id": 485,
+                    "id": 424,
                     "isConstant": false,
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                     "isPure": false,
@@ -6009,34 +5880,34 @@
                           "argumentTypes": null,
                           "baseExpression": {
                             "argumentTypes": null,
-                            "id": 476,
+                            "id": 415,
                             "name": "commentVoters",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 108,
-                            "src": "5727:13:1",
+                            "referencedDeclaration": 51,
+                            "src": "5686:13:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$_$",
                               "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
                             }
                           },
-                          "id": 481,
+                          "id": 420,
                           "indexExpression": {
                             "argumentTypes": null,
                             "expression": {
                               "argumentTypes": null,
-                              "id": 477,
+                              "id": 416,
                               "name": "msg",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 1085,
-                              "src": "5741:3:1",
+                              "referencedDeclaration": 872,
+                              "src": "5700:3:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_magic_message",
                                 "typeString": "msg"
                               }
                             },
-                            "id": 478,
+                            "id": 417,
                             "isConstant": false,
                             "isLValue": false,
                             "isPure": false,
@@ -6044,7 +5915,7 @@
                             "memberName": "sender",
                             "nodeType": "MemberAccess",
                             "referencedDeclaration": null,
-                            "src": "5741:10:1",
+                            "src": "5700:10:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_address",
                               "typeString": "address"
@@ -6055,21 +5926,21 @@
                           "isPure": false,
                           "lValueRequested": false,
                           "nodeType": "IndexAccess",
-                          "src": "5727:25:1",
+                          "src": "5686:25:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 482,
+                        "id": 421,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 479,
+                          "id": 418,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 416,
-                          "src": "5753:6:1",
+                          "referencedDeclaration": 355,
+                          "src": "5712:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -6080,21 +5951,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "5727:33:1",
+                        "src": "5686:33:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 483,
+                      "id": 422,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 480,
+                        "id": 419,
                         "name": "commentId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 444,
-                        "src": "5761:9:1",
+                        "referencedDeclaration": 383,
+                        "src": "5720:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -6105,7 +5976,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "5727:44:1",
+                      "src": "5686:44:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -6116,14 +5987,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 484,
+                      "id": 423,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "5774:1:1",
+                      "src": "5733:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -6131,20 +6002,20 @@
                       },
                       "value": "1"
                     },
-                    "src": "5727:48:1",
+                    "src": "5686:48:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 486,
+                  "id": 425,
                   "nodeType": "ExpressionStatement",
-                  "src": "5727:48:1"
+                  "src": "5686:48:0"
                 },
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                   "expression": {
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+                    "id": 432,
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                     "isPure": false,
@@ -6153,26 +6024,26 @@
                       "argumentTypes": null,
                       "baseExpression": {
                         "argumentTypes": null,
-                        "id": 487,
+                        "id": 426,
                         "name": "commentCounter",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 82,
-                        "src": "5835:14:1",
+                        "referencedDeclaration": 25,
+                        "src": "5794:14:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 489,
+                      "id": 428,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 488,
+                        "id": 427,
                         "name": "postId",
                         "nodeType": "Identifier",
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@@ -6197,19 +6068,19 @@
                         "typeIdentifier": "t_uint256",
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@@ -6220,14 +6091,14 @@
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@@ -6235,26 +6106,26 @@
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@@ -6279,10 +6150,10 @@
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@@ -6319,11 +6190,11 @@
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@@ -6331,10 +6202,10 @@
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@@ -6344,26 +6215,26 @@
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@@ -6375,19 +6246,19 @@
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@@ -6413,7 +6284,7 @@
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@@ -6449,21 +6320,21 @@
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@@ -6491,19 +6362,19 @@
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                           "typeString": "uint256"
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@@ -6513,18 +6384,18 @@
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@@ -6560,21 +6431,21 @@
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@@ -6602,19 +6473,19 @@
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@@ -6625,14 +6496,14 @@
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@@ -6640,7 +6511,7 @@
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@@ -6676,21 +6547,21 @@
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@@ -6698,15 +6569,15 @@
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@@ -6718,19 +6589,19 @@
                           "typeIdentifier": "t_uint256",
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@@ -6742,26 +6613,26 @@
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                               "typeString": "mapping(uint256 => uint256)"
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@@ -6772,13 +6643,13 @@
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@@ -6787,14 +6658,14 @@
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@@ -6814,21 +6685,21 @@
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@@ -6836,15 +6707,15 @@
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@@ -6856,7 +6727,7 @@
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@@ -6904,7 +6775,7 @@
                                 "memberName": "sender",
                                 "nodeType": "MemberAccess",
                                 "referencedDeclaration": null,
-                                "src": "6302:10:1",
+                                "src": "6261:10:0",
                                 "typeDescriptions": {
                                   "typeIdentifier": "t_address",
                                   "typeString": "address"
@@ -6915,21 +6786,21 @@
                               "isPure": false,
                               "lValueRequested": false,
                               "nodeType": "IndexAccess",
-                              "src": "6288:25:1",
+                              "src": "6247:25:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                                 "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                               }
                             },
-                            "id": 539,
+                            "id": 478,
                             "indexExpression": {
                               "argumentTypes": null,
-                              "id": 538,
+                              "id": 477,
                               "name": "postId",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 498,
-                              "src": "6314:6:1",
+                              "referencedDeclaration": 437,
+                              "src": "6273:6:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_uint256",
                                 "typeString": "uint256"
@@ -6940,21 +6811,21 @@
                             "isPure": false,
                             "lValueRequested": false,
                             "nodeType": "IndexAccess",
-                            "src": "6288:33:1",
+                            "src": "6247:33:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                               "typeString": "mapping(uint256 => uint256)"
                             }
                           },
-                          "id": 541,
+                          "id": 480,
                           "indexExpression": {
                             "argumentTypes": null,
-                            "id": 540,
+                            "id": 479,
                             "name": "commendId",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 500,
-                            "src": "6322:9:1",
+                            "referencedDeclaration": 439,
+                            "src": "6281:9:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_uint256",
                               "typeString": "uint256"
@@ -6965,7 +6836,7 @@
                           "isPure": false,
                           "lValueRequested": false,
                           "nodeType": "IndexAccess",
-                          "src": "6288:44:1",
+                          "src": "6247:44:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -6976,14 +6847,14 @@
                         "rightExpression": {
                           "argumentTypes": null,
                           "hexValue": "31",
-                          "id": 542,
+                          "id": 481,
                           "isConstant": false,
                           "isLValue": false,
                           "isPure": true,
                           "kind": "number",
                           "lValueRequested": false,
                           "nodeType": "Literal",
-                          "src": "6336:1:1",
+                          "src": "6295:1:0",
                           "subdenomination": null,
                           "typeDescriptions": {
                             "typeIdentifier": "t_rational_1_by_1",
@@ -6991,7 +6862,7 @@
                           },
                           "value": "1"
                         },
-                        "src": "6288:49:1",
+                        "src": "6247:49:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bool",
                           "typeString": "bool"
@@ -7000,14 +6871,14 @@
                       {
                         "argumentTypes": null,
                         "hexValue": "5570766f746520616c726561647920646f6e65",
-                        "id": 544,
+                        "id": 483,
                         "isConstant": false,
                         "isLValue": false,
                         "isPure": true,
                         "kind": "string",
                         "lValueRequested": false,
                         "nodeType": "Literal",
-                        "src": "6339:21:1",
+                        "src": "6298:21:0",
                         "subdenomination": null,
                         "typeDescriptions": {
                           "typeIdentifier": "t_stringliteral_df24b86cc4620336f368688345ca505ad90fcac9d2a55b94a3e3f9a021ddf783",
@@ -7027,21 +6898,21 @@
                           "typeString": "literal_string \"Upvote already done\""
                         }
                       ],
-                      "id": 533,
+                      "id": 472,
                       "name": "require",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [
-                        1088,
-                        1089
+                        875,
+                        876
                       ],
-                      "referencedDeclaration": 1089,
-                      "src": "6280:7:1",
+                      "referencedDeclaration": 876,
+                      "src": "6239:7:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
                         "typeString": "function (bool,string memory) pure"
                       }
                     },
-                    "id": 545,
+                    "id": 484,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -7049,15 +6920,15 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "6280:81:1",
+                    "src": "6239:81:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
                   },
-                  "id": 546,
+                  "id": 485,
                   "nodeType": "ExpressionStatement",
-                  "src": "6280:81:1"
+                  "src": "6239:81:0"
                 },
                 {
                   "condition": {
@@ -7066,7 +6937,7 @@
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     },
-                    "id": 556,
+                    "id": 495,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -7079,34 +6950,34 @@
                           "argumentTypes": null,
                           "baseExpression": {
                             "argumentTypes": null,
-                            "id": 547,
+                            "id": 486,
                             "name": "commentVoters",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 108,
-                            "src": "6378:13:1",
+                            "referencedDeclaration": 51,
+                            "src": "6337:13:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$_$",
                               "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
                             }
                           },
-                          "id": 550,
+                          "id": 489,
                           "indexExpression": {
                             "argumentTypes": null,
                             "expression": {
                               "argumentTypes": null,
-                              "id": 548,
+                              "id": 487,
                               "name": "msg",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 1085,
-                              "src": "6392:3:1",
+                              "referencedDeclaration": 872,
+                              "src": "6351:3:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_magic_message",
                                 "typeString": "msg"
                               }
                             },
-                            "id": 549,
+                            "id": 488,
                             "isConstant": false,
                             "isLValue": false,
                             "isPure": false,
@@ -7114,7 +6985,7 @@
                             "memberName": "sender",
                             "nodeType": "MemberAccess",
                             "referencedDeclaration": null,
-                            "src": "6392:10:1",
+                            "src": "6351:10:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_address",
                               "typeString": "address"
@@ -7125,21 +6996,21 @@
                           "isPure": false,
                           "lValueRequested": false,
                           "nodeType": "IndexAccess",
-                          "src": "6378:25:1",
+                          "src": "6337:25:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 552,
+                        "id": 491,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 551,
+                          "id": 490,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 498,
-                          "src": "6404:6:1",
+                          "referencedDeclaration": 437,
+                          "src": "6363:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -7150,21 +7021,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "6378:33:1",
+                        "src": "6337:33:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 554,
+                      "id": 493,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 553,
+                        "id": 492,
                         "name": "commendId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 500,
-                        "src": "6412:9:1",
+                        "referencedDeclaration": 439,
+                        "src": "6371:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -7175,7 +7046,7 @@
                       "isPure": false,
                       "lValueRequested": false,
                       "nodeType": "IndexAccess",
-                      "src": "6378:44:1",
+                      "src": "6337:44:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -7186,14 +7057,14 @@
                     "rightExpression": {
                       "argumentTypes": null,
                       "hexValue": "32",
-                      "id": 555,
+                      "id": 494,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "6426:1:1",
+                      "src": "6385:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_2_by_1",
@@ -7201,25 +7072,25 @@
                       },
                       "value": "2"
                     },
-                    "src": "6378:49:1",
+                    "src": "6337:49:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_bool",
                       "typeString": "bool"
                     }
                   },
                   "falseBody": null,
-                  "id": 566,
+                  "id": 505,
                   "nodeType": "IfStatement",
-                  "src": "6374:122:1",
+                  "src": "6333:122:0",
                   "trueBody": {
-                    "id": 565,
+                    "id": 504,
                     "nodeType": "Block",
-                    "src": "6429:67:1",
+                    "src": "6388:67:0",
                     "statements": [
                       {
                         "expression": {
                           "argumentTypes": null,
-                          "id": 563,
+                          "id": 502,
                           "isConstant": false,
                           "isLValue": false,
                           "isPure": false,
@@ -7230,26 +7101,26 @@
                               "argumentTypes": null,
                               "baseExpression": {
                                 "argumentTypes": null,
-                                "id": 557,
+                                "id": 496,
                                 "name": "commentDownVotes",
                                 "nodeType": "Identifier",
                                 "overloadedDeclarations": [],
-                                "referencedDeclaration": 100,
-                                "src": "6444:16:1",
+                                "referencedDeclaration": 43,
+                                "src": "6403:16:0",
                                 "typeDescriptions": {
                                   "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                                   "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                                 }
                               },
-                              "id": 560,
+                              "id": 499,
                               "indexExpression": {
                                 "argumentTypes": null,
-                                "id": 558,
+                                "id": 497,
                                 "name": "postId",
                                 "nodeType": "Identifier",
                                 "overloadedDeclarations": [],
-                                "referencedDeclaration": 498,
-                                "src": "6461:6:1",
+                                "referencedDeclaration": 437,
+                                "src": "6420:6:0",
                                 "typeDescriptions": {
                                   "typeIdentifier": "t_uint256",
                                   "typeString": "uint256"
@@ -7260,21 +7131,21 @@
                               "isPure": false,
                               "lValueRequested": false,
                               "nodeType": "IndexAccess",
-                              "src": "6444:24:1",
+                              "src": "6403:24:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                                 "typeString": "mapping(uint256 => uint256)"
                               }
                             },
-                            "id": 561,
+                            "id": 500,
                             "indexExpression": {
                               "argumentTypes": null,
-                              "id": 559,
+                              "id": 498,
                               "name": "commendId",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 500,
-                              "src": "6469:9:1",
+                              "referencedDeclaration": 439,
+                              "src": "6428:9:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_uint256",
                                 "typeString": "uint256"
@@ -7285,7 +7156,7 @@
                             "isPure": false,
                             "lValueRequested": true,
                             "nodeType": "IndexAccess",
-                            "src": "6444:35:1",
+                            "src": "6403:35:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_uint256",
                               "typeString": "uint256"
@@ -7296,14 +7167,14 @@
                           "rightHandSide": {
                             "argumentTypes": null,
                             "hexValue": "31",
-                            "id": 562,
+                            "id": 501,
                             "isConstant": false,
                             "isLValue": false,
                             "isPure": true,
                             "kind": "number",
                             "lValueRequested": false,
                             "nodeType": "Literal",
-                            "src": "6483:1:1",
+                            "src": "6442:1:0",
                             "subdenomination": null,
                             "typeDescriptions": {
                               "typeIdentifier": "t_rational_1_by_1",
@@ -7311,15 +7182,15 @@
                             },
                             "value": "1"
                           },
-                          "src": "6444:40:1",
+                          "src": "6403:40:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
                           }
                         },
-                        "id": 564,
+                        "id": 503,
                         "nodeType": "ExpressionStatement",
-                        "src": "6444:40:1"
+                        "src": "6403:40:0"
                       }
                     ]
                   }
@@ -7327,7 +7198,7 @@
                 {
                   "expression": {
                     "argumentTypes": null,
-                    "id": 576,
+                    "id": 515,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -7340,34 +7211,34 @@
                           "argumentTypes": null,
                           "baseExpression": {
                             "argumentTypes": null,
-                            "id": 567,
+                            "id": 506,
                             "name": "commentVoters",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 108,
-                            "src": "6508:13:1",
+                            "referencedDeclaration": 51,
+                            "src": "6467:13:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$_$",
                               "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
                             }
                           },
-                          "id": 572,
+                          "id": 511,
                           "indexExpression": {
                             "argumentTypes": null,
                             "expression": {
                               "argumentTypes": null,
-                              "id": 568,
+                              "id": 507,
                               "name": "msg",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 1085,
-                              "src": "6522:3:1",
+                              "referencedDeclaration": 872,
+                              "src": "6481:3:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_magic_message",
                                 "typeString": "msg"
                               }
                             },
-                            "id": 569,
+                            "id": 508,
                             "isConstant": false,
                             "isLValue": false,
                             "isPure": false,
@@ -7375,7 +7246,7 @@
                             "memberName": "sender",
                             "nodeType": "MemberAccess",
                             "referencedDeclaration": null,
-                            "src": "6522:10:1",
+                            "src": "6481:10:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_address",
                               "typeString": "address"
@@ -7386,21 +7257,21 @@
                           "isPure": false,
                           "lValueRequested": false,
                           "nodeType": "IndexAccess",
-                          "src": "6508:25:1",
+                          "src": "6467:25:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 573,
+                        "id": 512,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 570,
+                          "id": 509,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 498,
-                          "src": "6534:6:1",
+                          "referencedDeclaration": 437,
+                          "src": "6493:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -7411,21 +7282,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "6508:33:1",
+                        "src": "6467:33:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 574,
+                      "id": 513,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 571,
+                        "id": 510,
                         "name": "commendId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 500,
-                        "src": "6542:9:1",
+                        "referencedDeclaration": 439,
+                        "src": "6501:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -7436,7 +7307,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "6508:44:1",
+                      "src": "6467:44:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -7447,14 +7318,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 575,
+                      "id": 514,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "6555:1:1",
+                      "src": "6514:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -7462,20 +7333,20 @@
                       },
                       "value": "1"
                     },
-                    "src": "6508:48:1",
+                    "src": "6467:48:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 577,
+                  "id": 516,
                   "nodeType": "ExpressionStatement",
-                  "src": "6508:48:1"
+                  "src": "6467:48:0"
                 },
                 {
                   "expression": {
                     "argumentTypes": null,
-                    "id": 584,
+                    "id": 523,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -7486,26 +7357,26 @@
                         "argumentTypes": null,
                         "baseExpression": {
                           "argumentTypes": null,
-                          "id": 578,
+                          "id": 517,
                           "name": "commentUpVotes",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 94,
-                          "src": "6567:14:1",
+                          "referencedDeclaration": 37,
+                          "src": "6526:14:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 581,
+                        "id": 520,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 579,
+                          "id": 518,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 498,
-                          "src": "6582:6:1",
+                          "referencedDeclaration": 437,
+                          "src": "6541:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -7516,21 +7387,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "6567:22:1",
+                        "src": "6526:22:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 582,
+                      "id": 521,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 580,
+                        "id": 519,
                         "name": "commendId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 500,
-                        "src": "6590:9:1",
+                        "referencedDeclaration": 439,
+                        "src": "6549:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -7541,7 +7412,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "6567:33:1",
+                      "src": "6526:33:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -7552,14 +7423,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 583,
+                      "id": 522,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "6604:1:1",
+                      "src": "6563:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -7567,20 +7438,20 @@
                       },
                       "value": "1"
                     },
-                    "src": "6567:38:1",
+                    "src": "6526:38:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
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@@ -7588,16 +7459,16 @@
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@@ -7605,10 +7476,10 @@
                     "typeString": "uint256"
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@@ -7619,11 +7490,11 @@
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@@ -7631,10 +7502,10 @@
                     "typeString": "uint256"
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@@ -7644,26 +7515,26 @@
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@@ -7675,19 +7546,19 @@
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@@ -7698,14 +7569,14 @@
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@@ -7713,7 +7584,7 @@
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@@ -7722,14 +7593,14 @@
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@@ -7749,21 +7620,21 @@
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@@ -7771,15 +7642,15 @@
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@@ -7791,19 +7662,19 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
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@@ -7813,18 +7684,18 @@
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@@ -7833,14 +7704,14 @@
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@@ -7860,21 +7731,21 @@
                           "typeString": "literal_string \"votes is for a non existent post\""
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@@ -7902,19 +7773,19 @@
                           "typeIdentifier": "t_uint256",
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@@ -7925,14 +7796,14 @@
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@@ -7940,7 +7811,7 @@
                           },
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-                        "src": "6878:14:1",
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@@ -7949,14 +7820,14 @@
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@@ -7976,21 +7847,21 @@
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@@ -7998,15 +7869,15 @@
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-                    "src": "6870:50:1",
+                    "src": "6829:50:0",
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@@ -8018,19 +7889,19 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
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@@ -8042,26 +7913,26 @@
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                             "overloadedDeclarations": [],
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+                            "referencedDeclaration": 25,
+                            "src": "6911:14:0",
                             "typeDescriptions": {
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                               "typeString": "mapping(uint256 => uint256)"
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@@ -8072,13 +7943,13 @@
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                           "nodeType": "IndexAccess",
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                             "typeString": "uint256"
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@@ -8087,14 +7958,14 @@
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@@ -8114,21 +7985,21 @@
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@@ -8136,15 +8007,15 @@
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@@ -8156,7 +8027,7 @@
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@@ -8169,34 +8040,34 @@
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@@ -8204,7 +8075,7 @@
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@@ -8215,21 +8086,21 @@
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@@ -8240,21 +8111,21 @@
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@@ -8265,7 +8136,7 @@
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@@ -8276,14 +8147,14 @@
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-                          "src": "7072:1:1",
+                          "src": "7031:1:0",
                           "subdenomination": null,
                           "typeDescriptions": {
                             "typeIdentifier": "t_rational_2_by_1",
@@ -8291,7 +8162,7 @@
                           },
                           "value": "2"
                         },
-                        "src": "7024:49:1",
+                        "src": "6983:49:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bool",
                           "typeString": "bool"
@@ -8300,14 +8171,14 @@
                       {
                         "argumentTypes": null,
                         "hexValue": "5570766f746520616c726561647920646f6e65",
-                        "id": 635,
+                        "id": 574,
                         "isConstant": false,
                         "isLValue": false,
                         "isPure": true,
                         "kind": "string",
                         "lValueRequested": false,
                         "nodeType": "Literal",
-                        "src": "7075:21:1",
+                        "src": "7034:21:0",
                         "subdenomination": null,
                         "typeDescriptions": {
                           "typeIdentifier": "t_stringliteral_df24b86cc4620336f368688345ca505ad90fcac9d2a55b94a3e3f9a021ddf783",
@@ -8327,21 +8198,21 @@
                           "typeString": "literal_string \"Upvote already done\""
                         }
                       ],
-                      "id": 624,
+                      "id": 563,
                       "name": "require",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [
-                        1088,
-                        1089
+                        875,
+                        876
                       ],
-                      "referencedDeclaration": 1089,
-                      "src": "7016:7:1",
+                      "referencedDeclaration": 876,
+                      "src": "6975:7:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
                         "typeString": "function (bool,string memory) pure"
                       }
                     },
-                    "id": 636,
+                    "id": 575,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -8349,15 +8220,15 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "7016:81:1",
+                    "src": "6975:81:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
                   },
-                  "id": 637,
+                  "id": 576,
                   "nodeType": "ExpressionStatement",
-                  "src": "7016:81:1"
+                  "src": "6975:81:0"
                 },
                 {
                   "condition": {
@@ -8366,7 +8237,7 @@
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     },
-                    "id": 647,
+                    "id": 586,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -8379,34 +8250,34 @@
                           "argumentTypes": null,
                           "baseExpression": {
                             "argumentTypes": null,
-                            "id": 638,
+                            "id": 577,
                             "name": "commentVoters",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 108,
-                            "src": "7122:13:1",
+                            "referencedDeclaration": 51,
+                            "src": "7081:13:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$_$",
                               "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
                             }
                           },
-                          "id": 641,
+                          "id": 580,
                           "indexExpression": {
                             "argumentTypes": null,
                             "expression": {
                               "argumentTypes": null,
-                              "id": 639,
+                              "id": 578,
                               "name": "msg",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 1085,
-                              "src": "7136:3:1",
+                              "referencedDeclaration": 872,
+                              "src": "7095:3:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_magic_message",
                                 "typeString": "msg"
                               }
                             },
-                            "id": 640,
+                            "id": 579,
                             "isConstant": false,
                             "isLValue": false,
                             "isPure": false,
@@ -8414,7 +8285,7 @@
                             "memberName": "sender",
                             "nodeType": "MemberAccess",
                             "referencedDeclaration": null,
-                            "src": "7136:10:1",
+                            "src": "7095:10:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_address",
                               "typeString": "address"
@@ -8425,21 +8296,21 @@
                           "isPure": false,
                           "lValueRequested": false,
                           "nodeType": "IndexAccess",
-                          "src": "7122:25:1",
+                          "src": "7081:25:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 643,
+                        "id": 582,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 642,
+                          "id": 581,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 589,
-                          "src": "7148:6:1",
+                          "referencedDeclaration": 528,
+                          "src": "7107:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -8450,21 +8321,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "7122:33:1",
+                        "src": "7081:33:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 645,
+                      "id": 584,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 644,
+                        "id": 583,
                         "name": "commendId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 591,
-                        "src": "7156:9:1",
+                        "referencedDeclaration": 530,
+                        "src": "7115:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -8475,7 +8346,7 @@
                       "isPure": false,
                       "lValueRequested": false,
                       "nodeType": "IndexAccess",
-                      "src": "7122:44:1",
+                      "src": "7081:44:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -8486,14 +8357,14 @@
                     "rightExpression": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 646,
+                      "id": 585,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "7170:1:1",
+                      "src": "7129:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -8501,25 +8372,25 @@
                       },
                       "value": "1"
                     },
-                    "src": "7122:49:1",
+                    "src": "7081:49:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_bool",
                       "typeString": "bool"
                     }
                   },
                   "falseBody": null,
-                  "id": 657,
+                  "id": 596,
                   "nodeType": "IfStatement",
-                  "src": "7118:120:1",
+                  "src": "7077:120:0",
                   "trueBody": {
-                    "id": 656,
+                    "id": 595,
                     "nodeType": "Block",
-                    "src": "7173:65:1",
+                    "src": "7132:65:0",
                     "statements": [
                       {
                         "expression": {
                           "argumentTypes": null,
-                          "id": 654,
+                          "id": 593,
                           "isConstant": false,
                           "isLValue": false,
                           "isPure": false,
@@ -8530,26 +8401,26 @@
                               "argumentTypes": null,
                               "baseExpression": {
                                 "argumentTypes": null,
-                                "id": 648,
+                                "id": 587,
                                 "name": "commentUpVotes",
                                 "nodeType": "Identifier",
                                 "overloadedDeclarations": [],
-                                "referencedDeclaration": 94,
-                                "src": "7188:14:1",
+                                "referencedDeclaration": 37,
+                                "src": "7147:14:0",
                                 "typeDescriptions": {
                                   "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                                   "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                                 }
                               },
-                              "id": 651,
+                              "id": 590,
                               "indexExpression": {
                                 "argumentTypes": null,
-                                "id": 649,
+                                "id": 588,
                                 "name": "postId",
                                 "nodeType": "Identifier",
                                 "overloadedDeclarations": [],
-                                "referencedDeclaration": 589,
-                                "src": "7203:6:1",
+                                "referencedDeclaration": 528,
+                                "src": "7162:6:0",
                                 "typeDescriptions": {
                                   "typeIdentifier": "t_uint256",
                                   "typeString": "uint256"
@@ -8560,21 +8431,21 @@
                               "isPure": false,
                               "lValueRequested": false,
                               "nodeType": "IndexAccess",
-                              "src": "7188:22:1",
+                              "src": "7147:22:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                                 "typeString": "mapping(uint256 => uint256)"
                               }
                             },
-                            "id": 652,
+                            "id": 591,
                             "indexExpression": {
                               "argumentTypes": null,
-                              "id": 650,
+                              "id": 589,
                               "name": "commendId",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 591,
-                              "src": "7211:9:1",
+                              "referencedDeclaration": 530,
+                              "src": "7170:9:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_uint256",
                                 "typeString": "uint256"
@@ -8585,7 +8456,7 @@
                             "isPure": false,
                             "lValueRequested": true,
                             "nodeType": "IndexAccess",
-                            "src": "7188:33:1",
+                            "src": "7147:33:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_uint256",
                               "typeString": "uint256"
@@ -8596,14 +8467,14 @@
                           "rightHandSide": {
                             "argumentTypes": null,
                             "hexValue": "31",
-                            "id": 653,
+                            "id": 592,
                             "isConstant": false,
                             "isLValue": false,
                             "isPure": true,
                             "kind": "number",
                             "lValueRequested": false,
                             "nodeType": "Literal",
-                            "src": "7225:1:1",
+                            "src": "7184:1:0",
                             "subdenomination": null,
                             "typeDescriptions": {
                               "typeIdentifier": "t_rational_1_by_1",
@@ -8611,15 +8482,15 @@
                             },
                             "value": "1"
                           },
-                          "src": "7188:38:1",
+                          "src": "7147:38:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
                           }
                         },
-                        "id": 655,
+                        "id": 594,
                         "nodeType": "ExpressionStatement",
-                        "src": "7188:38:1"
+                        "src": "7147:38:0"
                       }
                     ]
                   }
@@ -8627,7 +8498,7 @@
                 {
                   "expression": {
                     "argumentTypes": null,
-                    "id": 667,
+                    "id": 606,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -8640,34 +8511,34 @@
                           "argumentTypes": null,
                           "baseExpression": {
                             "argumentTypes": null,
-                            "id": 658,
+                            "id": 597,
                             "name": "commentVoters",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 108,
-                            "src": "7250:13:1",
+                            "referencedDeclaration": 51,
+                            "src": "7209:13:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$_$",
                               "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
                             }
                           },
-                          "id": 663,
+                          "id": 602,
                           "indexExpression": {
                             "argumentTypes": null,
                             "expression": {
                               "argumentTypes": null,
-                              "id": 659,
+                              "id": 598,
                               "name": "msg",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 1085,
-                              "src": "7264:3:1",
+                              "referencedDeclaration": 872,
+                              "src": "7223:3:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_magic_message",
                                 "typeString": "msg"
                               }
                             },
-                            "id": 660,
+                            "id": 599,
                             "isConstant": false,
                             "isLValue": false,
                             "isPure": false,
@@ -8675,7 +8546,7 @@
                             "memberName": "sender",
                             "nodeType": "MemberAccess",
                             "referencedDeclaration": null,
-                            "src": "7264:10:1",
+                            "src": "7223:10:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_address",
                               "typeString": "address"
@@ -8686,21 +8557,21 @@
                           "isPure": false,
                           "lValueRequested": false,
                           "nodeType": "IndexAccess",
-                          "src": "7250:25:1",
+                          "src": "7209:25:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 664,
+                        "id": 603,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 661,
+                          "id": 600,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 589,
-                          "src": "7276:6:1",
+                          "referencedDeclaration": 528,
+                          "src": "7235:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -8711,21 +8582,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "7250:33:1",
+                        "src": "7209:33:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 665,
+                      "id": 604,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 662,
+                        "id": 601,
                         "name": "commendId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 591,
-                        "src": "7284:9:1",
+                        "referencedDeclaration": 530,
+                        "src": "7243:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -8736,7 +8607,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "7250:44:1",
+                      "src": "7209:44:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -8747,14 +8618,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "32",
-                      "id": 666,
+                      "id": 605,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "7297:1:1",
+                      "src": "7256:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_2_by_1",
@@ -8762,20 +8633,20 @@
                       },
                       "value": "2"
                     },
-                    "src": "7250:48:1",
+                    "src": "7209:48:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 668,
+                  "id": 607,
                   "nodeType": "ExpressionStatement",
-                  "src": "7250:48:1"
+                  "src": "7209:48:0"
                 },
                 {
                   "expression": {
                     "argumentTypes": null,
-                    "id": 675,
+                    "id": 614,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -8786,26 +8657,26 @@
                         "argumentTypes": null,
                         "baseExpression": {
                           "argumentTypes": null,
-                          "id": 669,
+                          "id": 608,
                           "name": "commentDownVotes",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 100,
-                          "src": "7309:16:1",
+                          "referencedDeclaration": 43,
+                          "src": "7268:16:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 672,
+                        "id": 611,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 670,
+                          "id": 609,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 589,
-                          "src": "7326:6:1",
+                          "referencedDeclaration": 528,
+                          "src": "7285:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -8816,21 +8687,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "7309:24:1",
+                        "src": "7268:24:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 673,
+                      "id": 612,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 671,
+                        "id": 610,
                         "name": "commendId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 591,
-                        "src": "7334:9:1",
+                        "referencedDeclaration": 530,
+                        "src": "7293:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -8841,7 +8712,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "7309:35:1",
+                      "src": "7268:35:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -8852,14 +8723,14 @@
                     "rightHandSide": {
                       "argumentTypes": null,
                       "hexValue": "31",
-                      "id": 674,
+                      "id": 613,
                       "isConstant": false,
                       "isLValue": false,
                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "7348:1:1",
+                      "src": "7307:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -8867,20 +8738,20 @@
                       },
                       "value": "1"
                     },
-                    "src": "7309:40:1",
+                    "src": "7268:40:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 676,
+                  "id": 615,
                   "nodeType": "ExpressionStatement",
-                  "src": "7309:40:1"
+                  "src": "7268:40:0"
                 }
               ]
             },
             "documentation": null,
-            "id": 678,
+            "id": 617,
             "implemented": true,
             "isConstructor": false,
             "isDeclaredConst": false,
@@ -8888,16 +8759,16 @@
             "name": "DownvoteComment",
             "nodeType": "FunctionDefinition",
             "parameters": {
-              "id": 592,
+              "id": 531,
               "nodeType": "ParameterList",
               "parameters": [
                 {
                   "constant": false,
-                  "id": 589,
+                  "id": 528,
                   "name": "postId",
                   "nodeType": "VariableDeclaration",
-                  "scope": 678,
-                  "src": "6674:11:1",
+                  "scope": 617,
+                  "src": "6633:11:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -8905,10 +8776,10 @@
                     "typeString": "uint256"
                   },
                   "typeName": {
-                    "id": 588,
+                    "id": 527,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "6674:4:1",
+                    "src": "6633:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
@@ -8919,11 +8790,11 @@
                 },
                 {
                   "constant": false,
-                  "id": 591,
+                  "id": 530,
                   "name": "commendId",
                   "nodeType": "VariableDeclaration",
-                  "scope": 678,
-                  "src": "6687:14:1",
+                  "scope": 617,
+                  "src": "6646:14:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -8931,10 +8802,10 @@
                     "typeString": "uint256"
                   },
                   "typeName": {
-                    "id": 590,
+                    "id": 529,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "6687:4:1",
+                    "src": "6646:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
@@ -8944,26 +8815,26 @@
                   "visibility": "internal"
                 }
               ],
-              "src": "6673:29:1"
+              "src": "6632:29:0"
             },
             "payable": false,
             "returnParameters": {
-              "id": 593,
+              "id": 532,
               "nodeType": "ParameterList",
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-              "src": "6710:0:1"
+              "src": "6669:0:0"
             },
-            "scope": 1070,
-            "src": "6649:708:1",
+            "scope": 857,
+            "src": "6608:708:0",
             "stateMutability": "nonpayable",
             "superFunction": null,
             "visibility": "public"
           },
           {
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@@ -11306,10 +10309,10 @@
                     "typeString": "uint256"
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@@ -11319,254 +10322,354 @@
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+                        "src": "9541:3:0",
+                        "typeDescriptions": {
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+                          "typeString": "msg"
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                           "typeDescriptions": {
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+                          "name": "username",
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                           "typeDescriptions": {
-                            "typeIdentifier": "t_uint256",
-                            "typeString": "uint256"
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
                           }
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-                        "src": "9845:37:1",
+                        "src": "9571:27:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_bool",
                           "typeString": "bool"
                         }
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+                        "nodeType": "Literal",
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+                        "typeDescriptions": {
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+                          "typeString": "literal_string \"This username is already set to the sender\""
+                        },
+                        "value": "This username is already set to the sender"
                       }
                     ],
                     "expression": {
@@ -11781,23 +10978,27 @@
                         {
                           "typeIdentifier": "t_bool",
                           "typeString": "bool"
+                        },
+                        {
+                          "typeIdentifier": "t_stringliteral_858348defba9cefd4bdc844c763b23f8e29a869d7cafac8088106bc53b8bd203",
+                          "typeString": "literal_string \"This username is already set to the sender\""
                         }
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+                        875,
+                        876
                       ],
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-                      "src": "9837:7:1",
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                       "typeDescriptions": {
-                        "typeIdentifier": "t_function_require_pure$_t_bool_$returns$__$",
-                        "typeString": "function (bool) pure"
+                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
+                        "typeString": "function (bool,string memory) pure"
                       }
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@@ -11805,3350 +11006,567 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "9837:46:1",
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                     "typeDescriptions": {
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                       "typeString": "tuple()"
                     }
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                 {
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+                    "commonType": {
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-                        "name": "balances",
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-                      "nodeType": "IndexAccess",
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+                      "name": "currentUsername",
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+                      "src": "9729:15:0",
                       "typeDescriptions": {
-                        "typeIdentifier": "t_uint256",
-                        "typeString": "uint256"
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                       }
                     },
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                       "typeDescriptions": {
-                        "typeIdentifier": "t_uint256",
-                        "typeString": "uint256"
-                      }
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+                        "typeString": "int_const 0"
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                     "typeDescriptions": {
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-                          "name": "msg",
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+                              "name": "usernames",
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+                              "src": "9979:9:0",
+                              "typeDescriptions": {
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+                                "src": "9989:3:0",
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+                                  "typeString": "msg"
+                                }
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+                              "src": "9989:10:0",
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+                                "typeIdentifier": "t_address",
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+                            "typeDescriptions": {
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+                            }
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+                          "rightHandSide": {
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+                            "id": 811,
+                            "name": "username",
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+                            "src": "10003:8:0",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_bytes32",
+                              "typeString": "bytes32"
+                            }
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                           "typeDescriptions": {
-                            "typeIdentifier": "t_magic_message",
-                            "typeString": "msg"
+                            "typeIdentifier": "t_bytes32",
+                            "typeString": "bytes32"
                           }
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@@ -15947,99 +12624,120 @@
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@@ -16047,11 +12745,12 @@
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-                        "name": "voters",
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-                          "typeString": "mapping(address => mapping(uint256 => uint256))"
+                          "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$",
+                          "typeString": "mapping(uint256 => address)"
                         }
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                         "typeDescriptions": {
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-                          "typeString": "address"
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@@ -16871,34 +13488,34 @@
                         "argumentTypes": null,
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+                          "id": 135,
                           "name": "voters",
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-                          "src": "3755:6:1",
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                             "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(address => mapping(uint256 => uint256))"
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                               "typeString": "msg"
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@@ -16906,7 +13523,7 @@
                           "memberName": "sender",
                           "nodeType": "MemberAccess",
                           "referencedDeclaration": null,
-                          "src": "3762:10:1",
+                          "src": "2908:10:0",
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@@ -16917,166 +13534,486 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
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+                        "src": "2901:18:0",
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@@ -17474,45 +14208,40 @@
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@@ -17520,21 +14249,21 @@
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@@ -17544,25 +14273,25 @@
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@@ -18017,576 +14419,492 @@
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@@ -18854,61 +15302,45 @@
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@@ -18916,21 +15348,21 @@
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@@ -18940,25 +15372,25 @@
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@@ -18966,251 +15398,161 @@
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                     "nodeType": "FunctionCall",
-                    "src": "5295:52:1",
+                    "src": "4067:48:0",
                     "typeDescriptions": {
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                       "typeString": "tuple()"
                     }
                   },
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-                        "typeString": "uint256"
-                      },
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-                        "nodeType": "ElementaryTypeName",
-                        "src": "5400:4:1",
-                        "typeDescriptions": {
-                          "typeIdentifier": "t_uint256",
-                          "typeString": "uint256"
-                        }
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-                      "value": null,
-                      "visibility": "internal"
-                    }
-                  ],
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-                  "initialValue": {
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-                        "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
-                        "typeString": "mapping(uint256 => uint256)"
-                      }
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+                      "typeString": "uint256"
                     },
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                         "typeString": "uint256"
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-                      "typeString": "uint256"
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                         "expression": {
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-                          "typeString": "uint256"
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+                                "typeString": "mapping(uint256 => uint256)"
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+                              "typeString": "uint256"
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+                              "typeString": "int_const 1"
+                            },
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+                          "typeDescriptions": {
+                            "typeIdentifier": "t_uint256",
+                            "typeString": "uint256"
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-                        "typeString": "function (address,uint256,bytes memory,uint256,uint256,uint256)"
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@@ -19221,29 +15563,45 @@
                         "argumentTypes": null,
                         "baseExpression": {
                           "argumentTypes": null,
-                          "id": 459,
-                          "name": "commentOwner",
+                          "id": 281,
+                          "name": "voters",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 88,
-                          "src": "5581:12:1",
+                          "referencedDeclaration": 21,
+                          "src": "4203:6:0",
                           "typeDescriptions": {
-                            "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_address_$_$",
-                            "typeString": "mapping(uint256 => mapping(uint256 => address))"
+                            "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_uint256_$_$",
+                            "typeString": "mapping(address => mapping(uint256 => uint256))"
                           }
                         },
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                         "indexExpression": {
                           "argumentTypes": null,
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-                          "name": "postId",
-                          "nodeType": "Identifier",
-                          "overloadedDeclarations": [],
-                          "referencedDeclaration": 416,
-                          "src": "5594:6:1",
+                          "expression": {
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+                            "id": 282,
+                            "name": "msg",
+                            "nodeType": "Identifier",
+                            "overloadedDeclarations": [],
+                            "referencedDeclaration": 872,
+                            "src": "4210:3:0",
+                            "typeDescriptions": {
+                              "typeIdentifier": "t_magic_message",
+                              "typeString": "msg"
+                            }
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+                          "isConstant": false,
+                          "isLValue": false,
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+                          "lValueRequested": false,
+                          "memberName": "sender",
+                          "nodeType": "MemberAccess",
+                          "referencedDeclaration": null,
+                          "src": "4210:10:0",
                           "typeDescriptions": {
-                            "typeIdentifier": "t_uint256",
-                            "typeString": "uint256"
+                            "typeIdentifier": "t_address",
+                            "typeString": "address"
                           }
                         },
                         "isConstant": false,
@@ -19251,21 +15609,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "5581:20:1",
+                        "src": "4203:18:0",
                         "typeDescriptions": {
-                          "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$",
-                          "typeString": "mapping(uint256 => address)"
+                          "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
+                          "typeString": "mapping(uint256 => uint256)"
                         }
                       },
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                         "argumentTypes": null,
-                        "id": 461,
-                        "name": "commentId",
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                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 444,
-                        "src": "5602:9:1",
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+                        "src": "4222:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -19276,57 +15634,46 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "5581:31:1",
+                      "src": "4203:26:0",
                       "typeDescriptions": {
-                        "typeIdentifier": "t_address",
-                        "typeString": "address"
+                        "typeIdentifier": "t_uint256",
+                        "typeString": "uint256"
                       }
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-                        "name": "msg",
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-                        "typeDescriptions": {
-                          "typeIdentifier": "t_magic_message",
-                          "typeString": "msg"
-                        }
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+                      "hexValue": "32",
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-                      "memberName": "sender",
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-                      "src": "5615:10:1",
+                      "nodeType": "Literal",
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                       "typeDescriptions": {
-                        "typeIdentifier": "t_address",
-                        "typeString": "address"
-                      }
+                        "typeIdentifier": "t_rational_2_by_1",
+                        "typeString": "int_const 2"
+                      },
+                      "value": "2"
                     },
-                    "src": "5581:44:1",
+                    "src": "4203:30:0",
                     "typeDescriptions": {
-                      "typeIdentifier": "t_address",
-                      "typeString": "address"
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                     }
                   },
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@@ -19335,53 +15682,26 @@
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-                          "nodeType": "Identifier",
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-                          "src": "5679:14:1",
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-                            "typeString": "uint256"
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-                        "lValueRequested": false,
-                        "nodeType": "IndexAccess",
-                        "src": "5679:22:1",
+                        "id": 290,
+                        "name": "downvotes",
+                        "nodeType": "Identifier",
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+                        "src": "4244:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
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                         "argumentTypes": null,
-                        "id": 470,
-                        "name": "commentId",
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+                        "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
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-                        "src": "5702:9:1",
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+                        "src": "4254:6:0",
                         "typeDescriptions": {
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                           "typeString": "uint256"
@@ -19392,25 +15712,25 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "5679:33:1",
+                      "src": "4244:17:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
                       }
                     },
                     "nodeType": "Assignment",
-                    "operator": "=",
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                     "rightHandSide": {
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                       "hexValue": "31",
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                       "nodeType": "Literal",
-                      "src": "5715:1:1",
+                      "src": "4265:1:0",
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                       "typeDescriptions": {
                         "typeIdentifier": "t_rational_1_by_1",
@@ -19418,295 +15738,602 @@
                       },
                       "value": "1"
                     },
-                    "src": "5679:37:1",
+                    "src": "4244:22:0",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
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+                }
+              ]
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+            "id": 297,
+            "implemented": true,
+            "isConstructor": false,
+            "isDeclaredConst": false,
+            "modifiers": [],
+            "name": "DownvotePost",
+            "nodeType": "FunctionDefinition",
+            "parameters": {
+              "id": 238,
+              "nodeType": "ParameterList",
+              "parameters": [
+                {
+                  "constant": false,
+                  "id": 237,
+                  "name": "postId",
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+                  "scope": 297,
+                  "src": "3841:11:0",
+                  "stateVariable": false,
+                  "storageLocation": "default",
+                  "typeDescriptions": {
+                    "typeIdentifier": "t_uint256",
+                    "typeString": "uint256"
+                  },
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+                    "name": "uint",
+                    "nodeType": "ElementaryTypeName",
+                    "src": "3841:4:0",
+                    "typeDescriptions": {
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
+                    }
+                  },
+                  "value": null,
+                  "visibility": "internal"
+                }
+              ],
+              "src": "3840:13:0"
+            },
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+            "returnParameters": {
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+              "nodeType": "ParameterList",
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+              "src": "3861:0:0"
+            },
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+            "src": "3819:455:0",
+            "stateMutability": "nonpayable",
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+            "visibility": "public"
+          },
+          {
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+                      "src": "4389:7:0",
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@@ -19714,10 +16341,10 @@
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@@ -19728,11 +16355,12 @@
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@@ -19740,10 +16368,10 @@
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@@ -19754,11 +16382,39 @@
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@@ -20107,25 +16768,25 @@
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+                        "referencedDeclaration": 874,
+                        "src": "5502:3:0",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      },
+                      {
+                        "argumentTypes": null,
+                        "id": 395,
+                        "name": "commentId",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 383,
+                        "src": "5507:9:0",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_address",
+                          "typeString": "address"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
                         },
-                        "value": "comment id is non existent"
-                      }
-                    ],
-                    "expression": {
-                      "argumentTypes": [
                         {
-                          "typeIdentifier": "t_bool",
-                          "typeString": "bool"
+                          "typeIdentifier": "t_bytes_memory_ptr",
+                          "typeString": "bytes memory"
                         },
                         {
-                          "typeIdentifier": "t_stringliteral_60864667c45bf066f975096e955f868c455194279a1628fdcd83ec0b3d5a120c",
-                          "typeString": "literal_string \"comment id is non existent\""
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        },
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
                         }
                       ],
-                      "id": 524,
-                      "name": "require",
+                      "id": 388,
+                      "name": "CommentCreated",
                       "nodeType": "Identifier",
-                      "overloadedDeclarations": [
-                        1088,
-                        1089
-                      ],
-                      "referencedDeclaration": 1089,
-                      "src": "6195:7:1",
+                      "overloadedDeclarations": [],
+                      "referencedDeclaration": 351,
+                      "src": "5446:14:0",
                       "typeDescriptions": {
-                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
-                        "typeString": "function (bool,string memory) pure"
+                        "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$_t_bytes_memory_ptr_$_t_uint256_$_t_uint256_$_t_uint256_$returns$__$",
+                        "typeString": "function (address,uint256,bytes memory,uint256,uint256,uint256)"
                       }
                     },
-                    "id": 531,
+                    "id": 396,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -20271,310 +17025,166 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "6195:74:1",
+                    "src": "5446:71:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
                   },
-                  "id": 532,
-                  "nodeType": "ExpressionStatement",
-                  "src": "6195:74:1"
+                  "id": 397,
+                  "nodeType": "EmitStatement",
+                  "src": "5441:76:0"
                 },
                 {
                   "expression": {
                     "argumentTypes": null,
-                    "arguments": [
-                      {
+                    "id": 405,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "lValueRequested": false,
+                    "leftHandSide": {
+                      "argumentTypes": null,
+                      "baseExpression": {
                         "argumentTypes": null,
-                        "commonType": {
-                          "typeIdentifier": "t_uint256",
-                          "typeString": "uint256"
-                        },
-                        "id": 543,
-                        "isConstant": false,
-                        "isLValue": false,
-                        "isPure": false,
-                        "lValueRequested": false,
-                        "leftExpression": {
+                        "baseExpression": {
                           "argumentTypes": null,
-                          "baseExpression": {
-                            "argumentTypes": null,
-                            "baseExpression": {
-                              "argumentTypes": null,
-                              "baseExpression": {
-                                "argumentTypes": null,
-                                "id": 534,
-                                "name": "commentVoters",
-                                "nodeType": "Identifier",
-                                "overloadedDeclarations": [],
-                                "referencedDeclaration": 108,
-                                "src": "6288:13:1",
-                                "typeDescriptions": {
-                                  "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$_$",
-                                  "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
-                                }
-                              },
-                              "id": 537,
-                              "indexExpression": {
-                                "argumentTypes": null,
-                                "expression": {
-                                  "argumentTypes": null,
-                                  "id": 535,
-                                  "name": "msg",
-                                  "nodeType": "Identifier",
-                                  "overloadedDeclarations": [],
-                                  "referencedDeclaration": 1085,
-                                  "src": "6302:3:1",
-                                  "typeDescriptions": {
-                                    "typeIdentifier": "t_magic_message",
-                                    "typeString": "msg"
-                                  }
-                                },
-                                "id": 536,
-                                "isConstant": false,
-                                "isLValue": false,
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-                                "memberName": "sender",
-                                "nodeType": "MemberAccess",
-                                "referencedDeclaration": null,
-                                "src": "6302:10:1",
-                                "typeDescriptions": {
-                                  "typeIdentifier": "t_address",
-                                  "typeString": "address"
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-                              "isPure": false,
-                              "lValueRequested": false,
-                              "nodeType": "IndexAccess",
-                              "src": "6288:25:1",
-                              "typeDescriptions": {
-                                "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
-                                "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
-                              }
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-                              "nodeType": "Identifier",
-                              "overloadedDeclarations": [],
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-                              "src": "6314:6:1",
-                              "typeDescriptions": {
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-                                "typeString": "uint256"
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-                              "typeString": "mapping(uint256 => uint256)"
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-                              "typeString": "uint256"
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-                          "nodeType": "IndexAccess",
-                          "src": "6288:44:1",
+                          "id": 398,
+                          "name": "commentOwner",
+                          "nodeType": "Identifier",
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+                          "referencedDeclaration": 31,
+                          "src": "5540:12:0",
                           "typeDescriptions": {
-                            "typeIdentifier": "t_uint256",
-                            "typeString": "uint256"
+                            "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_address_$_$",
+                            "typeString": "mapping(uint256 => mapping(uint256 => address))"
                           }
                         },
-                        "nodeType": "BinaryOperation",
-                        "operator": "!=",
-                        "rightExpression": {
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+                        "indexExpression": {
                           "argumentTypes": null,
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-                          "lValueRequested": false,
-                          "nodeType": "Literal",
-                          "src": "6336:1:1",
-                          "subdenomination": null,
+                          "id": 399,
+                          "name": "postId",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 355,
+                          "src": "5553:6:0",
                           "typeDescriptions": {
-                            "typeIdentifier": "t_rational_1_by_1",
-                            "typeString": "int_const 1"
-                          },
-                          "value": "1"
+                            "typeIdentifier": "t_uint256",
+                            "typeString": "uint256"
+                          }
                         },
-                        "src": "6288:49:1",
+                        "isConstant": false,
+                        "isLValue": true,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "nodeType": "IndexAccess",
+                        "src": "5540:20:0",
                         "typeDescriptions": {
-                          "typeIdentifier": "t_bool",
-                          "typeString": "bool"
+                          "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$",
+                          "typeString": "mapping(uint256 => address)"
                         }
                       },
-                      {
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                         "argumentTypes": null,
-                        "hexValue": "5570766f746520616c726561647920646f6e65",
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-                        "nodeType": "Literal",
-                        "src": "6339:21:1",
-                        "subdenomination": null,
+                        "id": 400,
+                        "name": "commentId",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
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+                        "src": "5561:9:0",
                         "typeDescriptions": {
-                          "typeIdentifier": "t_stringliteral_df24b86cc4620336f368688345ca505ad90fcac9d2a55b94a3e3f9a021ddf783",
-                          "typeString": "literal_string \"Upvote already done\""
-                        },
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-                      }
-                    ],
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-                          "typeIdentifier": "t_bool",
-                          "typeString": "bool"
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-                          "typeString": "literal_string \"Upvote already done\""
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
                         }
-                      ],
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-                      "name": "require",
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-                      "overloadedDeclarations": [
-                        1088,
-                        1089
-                      ],
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                       "typeDescriptions": {
-                        "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$",
-                        "typeString": "function (bool,string memory) pure"
+                        "typeIdentifier": "t_address",
+                        "typeString": "address"
                       }
                     },
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-                    "nodeType": "FunctionCall",
-                    "src": "6280:81:1",
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+                      "expression": {
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+                        "id": 403,
+                        "name": "msg",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 872,
+                        "src": "5574:3:0",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_magic_message",
+                          "typeString": "msg"
+                        }
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+                      "src": "5574:10:0",
+                      "typeDescriptions": {
+                        "typeIdentifier": "t_address",
+                        "typeString": "address"
+                      }
+                    },
+                    "src": "5540:44:0",
                     "typeDescriptions": {
-                      "typeIdentifier": "t_tuple$__$",
-                      "typeString": "tuple()"
+                      "typeIdentifier": "t_address",
+                      "typeString": "address"
                     }
                   },
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                   "nodeType": "ExpressionStatement",
-                  "src": "6280:81:1"
+                  "src": "5540:44:0"
                 },
                 {
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                     "argumentTypes": null,
-                    "commonType": {
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-                      "typeString": "uint256"
-                    },
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                       "baseExpression": {
                         "argumentTypes": null,
                         "baseExpression": {
                           "argumentTypes": null,
-                          "baseExpression": {
-                            "argumentTypes": null,
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-                            "src": "6378:13:1",
-                            "typeDescriptions": {
-                              "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$_$",
-                              "typeString": "mapping(address => mapping(uint256 => mapping(uint256 => uint256)))"
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-                              "name": "msg",
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-                              "referencedDeclaration": 1085,
-                              "src": "6392:3:1",
-                              "typeDescriptions": {
-                                "typeIdentifier": "t_magic_message",
-                                "typeString": "msg"
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-                            "memberName": "sender",
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-                            "typeDescriptions": {
-                              "typeIdentifier": "t_address",
-                              "typeString": "address"
-                            }
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-                          "isConstant": false,
-                          "isLValue": true,
-                          "isPure": false,
-                          "lValueRequested": false,
-                          "nodeType": "IndexAccess",
-                          "src": "6378:25:1",
+                          "id": 407,
+                          "name": "commentUpVotes",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 37,
+                          "src": "5638:14:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_mapping$_t_uint256_$_t_mapping$_t_uint256_$_t_uint256_$_$",
                             "typeString": "mapping(uint256 => mapping(uint256 => uint256))"
                           }
                         },
-                        "id": 552,
+                        "id": 410,
                         "indexExpression": {
                           "argumentTypes": null,
-                          "id": 551,
+                          "id": 408,
                           "name": "postId",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 498,
-                          "src": "6404:6:1",
+                          "referencedDeclaration": 355,
+                          "src": "5653:6:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_uint256",
                             "typeString": "uint256"
@@ -20585,21 +17195,21 @@
                         "isPure": false,
                         "lValueRequested": false,
                         "nodeType": "IndexAccess",
-                        "src": "6378:33:1",
+                        "src": "5638:22:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 554,
+                      "id": 411,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 553,
-                        "name": "commendId",
+                        "id": 409,
+                        "name": "commentId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 500,
-                        "src": "6412:9:1",
+                        "referencedDeclaration": 383,
+                        "src": "5661:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -20608,161 +17218,48 @@
                       "isConstant": false,
                       "isLValue": true,
                       "isPure": false,
-                      "lValueRequested": false,
+                      "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "6378:44:1",
+                      "src": "5638:33:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
                       }
                     },
-                    "nodeType": "BinaryOperation",
-                    "operator": "==",
-                    "rightExpression": {
+                    "nodeType": "Assignment",
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+                    "rightHandSide": {
                       "argumentTypes": null,
-                      "hexValue": "32",
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+                      "hexValue": "31",
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                       "isPure": true,
                       "kind": "number",
                       "lValueRequested": false,
                       "nodeType": "Literal",
-                      "src": "6426:1:1",
+                      "src": "5674:1:0",
                       "subdenomination": null,
                       "typeDescriptions": {
-                        "typeIdentifier": "t_rational_2_by_1",
-                        "typeString": "int_const 2"
+                        "typeIdentifier": "t_rational_1_by_1",
+                        "typeString": "int_const 1"
                       },
-                      "value": "2"
+                      "value": "1"
                     },
-                    "src": "6378:49:1",
+                    "src": "5638:37:0",
                     "typeDescriptions": {
-                      "typeIdentifier": "t_bool",
-                      "typeString": "bool"
+                      "typeIdentifier": "t_uint256",
+                      "typeString": "uint256"
                     }
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-                                "nodeType": "Identifier",
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-                                  "typeString": "uint256"
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@@ -20810,7 +17307,7 @@
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@@ -20821,21 +17318,21 @@
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@@ -20897,20 +17394,20 @@
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@@ -21054,11 +17582,11 @@
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@@ -21110,246 +17638,19 @@
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@@ -21383,21 +17684,21 @@
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+                        "value": "votes is not for a valid post"
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@@ -21407,25 +17708,25 @@
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@@ -21433,15 +17734,15 @@
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@@ -21453,67 +17754,40 @@
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                             "typeString": "uint256"
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@@ -21521,21 +17795,21 @@
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-                        "value": "comment id is non existent"
+                        "value": "votes is for a non existent post"
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@@ -21545,25 +17819,25 @@
                           "typeString": "bool"
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-                          "typeString": "literal_string \"comment id is non existent\""
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@@ -21571,15 +17845,15 @@
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@@ -21591,142 +17865,45 @@
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
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                             "typeString": "uint256"
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-                          "src": "7072:1:1",
+                          "src": "6114:1:0",
                           "subdenomination": null,
                           "typeDescriptions": {
-                            "typeIdentifier": "t_rational_2_by_1",
-                            "typeString": "int_const 2"
+                            "typeIdentifier": "t_rational_0_by_1",
+                            "typeString": "int_const 0"
                           },
-                          "value": "2"
+                          "value": "0"
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@@ -21734,21 +17911,21 @@
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-                          "typeString": "literal_string \"Upvote already done\""
+                          "typeIdentifier": "t_stringliteral_96da188f723c48153c2c1f113109dc9470d321813883d9bae2ecaddc392a27a1",
+                          "typeString": "literal_string \"comment id is not valid\""
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-                        "value": "Upvote already done"
+                        "value": "comment id is not valid"
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@@ -21758,25 +17935,25 @@
                           "typeString": "bool"
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-                          "typeString": "literal_string \"Upvote already done\""
+                          "typeIdentifier": "t_stringliteral_96da188f723c48153c2c1f113109dc9470d321813883d9bae2ecaddc392a27a1",
+                          "typeString": "literal_string \"comment id is not valid\""
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@@ -21784,210 +17961,216 @@
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                                 "typeDescriptions": {
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-                                  "typeString": "uint256"
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                               "nodeType": "IndexAccess",
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@@ -22018,415 +18201,233 @@
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@@ -25358,10 +21304,10 @@
                         "typeString": "address"
                       },
                       "typeName": {
-                        "id": 908,
+                        "id": 704,
                         "name": "address",
                         "nodeType": "ElementaryTypeName",
-                        "src": "9994:7:1",
+                        "src": "8379:7:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_address",
                           "typeString": "address"
@@ -25371,31 +21317,31 @@
                       "visibility": "internal"
                     }
                   ],
-                  "id": 913,
+                  "id": 709,
                   "initialValue": {
                     "argumentTypes": null,
                     "baseExpression": {
                       "argumentTypes": null,
-                      "id": 910,
+                      "id": 706,
                       "name": "postOwners",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 64,
-                      "src": "10010:10:1",
+                      "referencedDeclaration": 7,
+                      "src": "8395:10:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_mapping$_t_uint256_$_t_address_$",
                         "typeString": "mapping(uint256 => address)"
                       }
                     },
-                    "id": 912,
+                    "id": 708,
                     "indexExpression": {
                       "argumentTypes": null,
-                      "id": 911,
+                      "id": 707,
                       "name": "postId",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 866,
-                      "src": "10021:6:1",
+                      "referencedDeclaration": 679,
+                      "src": "8406:6:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -25406,92 +21352,105 @@
                     "isPure": false,
                     "lValueRequested": false,
                     "nodeType": "IndexAccess",
-                    "src": "10010:18:1",
+                    "src": "8395:18:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_address",
                       "typeString": "address"
                     }
                   },
                   "nodeType": "VariableDeclarationStatement",
-                  "src": "9994:34:1"
+                  "src": "8379:34:0"
                 },
-                {
-                  "expression": {
-                    "argumentTypes": null,
-                    "id": 918,
-                    "isConstant": false,
-                    "isLValue": false,
-                    "isPure": false,
-                    "lValueRequested": false,
-                    "leftHandSide": {
-                      "argumentTypes": null,
-                      "baseExpression": {
+                {
+                  "expression": {
+                    "argumentTypes": null,
+                    "arguments": [
+                      {
                         "argumentTypes": null,
-                        "id": 914,
-                        "name": "balances",
-                        "nodeType": "Identifier",
-                        "overloadedDeclarations": [],
-                        "referencedDeclaration": 112,
-                        "src": "10039:8:1",
+                        "expression": {
+                          "argumentTypes": null,
+                          "id": 713,
+                          "name": "msg",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 872,
+                          "src": "8439:3:0",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_magic_message",
+                            "typeString": "msg"
+                          }
+                        },
+                        "id": 714,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "memberName": "value",
+                        "nodeType": "MemberAccess",
+                        "referencedDeclaration": null,
+                        "src": "8439:9:0",
                         "typeDescriptions": {
-                          "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$",
-                          "typeString": "mapping(address => uint256)"
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
                         }
-                      },
-                      "id": 916,
-                      "indexExpression": {
+                      }
+                    ],
+                    "expression": {
+                      "argumentTypes": [
+                        {
+                          "typeIdentifier": "t_uint256",
+                          "typeString": "uint256"
+                        }
+                      ],
+                      "expression": {
                         "argumentTypes": null,
-                        "id": 915,
+                        "id": 710,
                         "name": "owner",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 909,
-                        "src": "10048:5:1",
+                        "referencedDeclaration": 705,
+                        "src": "8424:5:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_address",
                           "typeString": "address"
                         }
                       },
+                      "id": 712,
                       "isConstant": false,
-                      "isLValue": true,
+                      "isLValue": false,
                       "isPure": false,
-                      "lValueRequested": true,
-                      "nodeType": "IndexAccess",
-                      "src": "10039:15:1",
-                      "typeDescriptions": {
-                        "typeIdentifier": "t_uint256",
-                        "typeString": "uint256"
-                      }
-                    },
-                    "nodeType": "Assignment",
-                    "operator": "+=",
-                    "rightHandSide": {
-                      "argumentTypes": null,
-                      "id": 917,
-                      "name": "donationValue",
-                      "nodeType": "Identifier",
-                      "overloadedDeclarations": [],
-                      "referencedDeclaration": 868,
-                      "src": "10058:13:1",
+                      "lValueRequested": false,
+                      "memberName": "transfer",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": null,
+                      "src": "8424:14:0",
                       "typeDescriptions": {
-                        "typeIdentifier": "t_uint256",
-                        "typeString": "uint256"
+                        "typeIdentifier": "t_function_transfer_nonpayable$_t_uint256_$returns$__$",
+                        "typeString": "function (uint256)"
                       }
                     },
-                    "src": "10039:32:1",
+                    "id": 715,
+                    "isConstant": false,
+                    "isLValue": false,
+                    "isPure": false,
+                    "kind": "functionCall",
+                    "lValueRequested": false,
+                    "names": [],
+                    "nodeType": "FunctionCall",
+                    "src": "8424:25:0",
                     "typeDescriptions": {
-                      "typeIdentifier": "t_uint256",
-                      "typeString": "uint256"
+                      "typeIdentifier": "t_tuple$__$",
+                      "typeString": "tuple()"
                     }
                   },
-                  "id": 919,
+                  "id": 716,
                   "nodeType": "ExpressionStatement",
-                  "src": "10039:32:1"
+                  "src": "8424:25:0"
                 },
                 {
                   "expression": {
                     "argumentTypes": null,
-                    "id": 924,
+                    "id": 722,
                     "isConstant": false,
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                     "isPure": false,
@@ -25500,26 +21459,26 @@
                       "argumentTypes": null,
                       "baseExpression": {
                         "argumentTypes": null,
-                        "id": 920,
+                        "id": 717,
                         "name": "postEarnings",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 116,
-                        "src": "10082:12:1",
+                        "referencedDeclaration": 55,
+                        "src": "8492:12:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                           "typeString": "mapping(uint256 => uint256)"
                         }
                       },
-                      "id": 922,
+                      "id": 719,
                       "indexExpression": {
                         "argumentTypes": null,
-                        "id": 921,
+                        "id": 718,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 866,
-                        "src": "10095:6:1",
+                        "referencedDeclaration": 679,
+                        "src": "8505:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -25530,7 +21489,7 @@
                       "isPure": false,
                       "lValueRequested": true,
                       "nodeType": "IndexAccess",
-                      "src": "10082:20:1",
+                      "src": "8492:20:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -25540,26 +21499,42 @@
                     "operator": "+=",
                     "rightHandSide": {
                       "argumentTypes": null,
-                      "id": 923,
-                      "name": "donationValue",
-                      "nodeType": "Identifier",
-                      "overloadedDeclarations": [],
-                      "referencedDeclaration": 868,
-                      "src": "10106:13:1",
+                      "expression": {
+                        "argumentTypes": null,
+                        "id": 720,
+                        "name": "msg",
+                        "nodeType": "Identifier",
+                        "overloadedDeclarations": [],
+                        "referencedDeclaration": 872,
+                        "src": "8516:3:0",
+                        "typeDescriptions": {
+                          "typeIdentifier": "t_magic_message",
+                          "typeString": "msg"
+                        }
+                      },
+                      "id": 721,
+                      "isConstant": false,
+                      "isLValue": false,
+                      "isPure": false,
+                      "lValueRequested": false,
+                      "memberName": "value",
+                      "nodeType": "MemberAccess",
+                      "referencedDeclaration": null,
+                      "src": "8516:9:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
                       }
                     },
-                    "src": "10082:37:1",
+                    "src": "8492:33:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "id": 925,
+                  "id": 723,
                   "nodeType": "ExpressionStatement",
-                  "src": "10082:37:1"
+                  "src": "8492:33:0"
                 },
                 {
                   "eventCall": {
@@ -25569,18 +21544,18 @@
                         "argumentTypes": null,
                         "expression": {
                           "argumentTypes": null,
-                          "id": 927,
+                          "id": 725,
                           "name": "msg",
                           "nodeType": "Identifier",
                           "overloadedDeclarations": [],
-                          "referencedDeclaration": 1085,
-                          "src": "10148:3:1",
+                          "referencedDeclaration": 872,
+                          "src": "8554:3:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_magic_message",
                             "typeString": "msg"
                           }
                         },
-                        "id": 928,
+                        "id": 726,
                         "isConstant": false,
                         "isLValue": false,
                         "isPure": false,
@@ -25588,7 +21563,7 @@
                         "memberName": "sender",
                         "nodeType": "MemberAccess",
                         "referencedDeclaration": null,
-                        "src": "10148:10:1",
+                        "src": "8554:10:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_address",
                           "typeString": "address"
@@ -25596,12 +21571,28 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 929,
-                        "name": "donationValue",
-                        "nodeType": "Identifier",
-                        "overloadedDeclarations": [],
-                        "referencedDeclaration": 868,
-                        "src": "10160:13:1",
+                        "expression": {
+                          "argumentTypes": null,
+                          "id": 727,
+                          "name": "msg",
+                          "nodeType": "Identifier",
+                          "overloadedDeclarations": [],
+                          "referencedDeclaration": 872,
+                          "src": "8566:3:0",
+                          "typeDescriptions": {
+                            "typeIdentifier": "t_magic_message",
+                            "typeString": "msg"
+                          }
+                        },
+                        "id": 728,
+                        "isConstant": false,
+                        "isLValue": false,
+                        "isPure": false,
+                        "lValueRequested": false,
+                        "memberName": "value",
+                        "nodeType": "MemberAccess",
+                        "referencedDeclaration": null,
+                        "src": "8566:9:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -25609,12 +21600,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 930,
+                        "id": 729,
                         "name": "now",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 1087,
-                        "src": "10175:3:1",
+                        "referencedDeclaration": 874,
+                        "src": "8577:3:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -25622,12 +21613,12 @@
                       },
                       {
                         "argumentTypes": null,
-                        "id": 931,
+                        "id": 730,
                         "name": "postId",
                         "nodeType": "Identifier",
                         "overloadedDeclarations": [],
-                        "referencedDeclaration": 866,
-                        "src": "10180:6:1",
+                        "referencedDeclaration": 679,
+                        "src": "8582:6:0",
                         "typeDescriptions": {
                           "typeIdentifier": "t_uint256",
                           "typeString": "uint256"
@@ -25653,18 +21644,18 @@
                           "typeString": "uint256"
                         }
                       ],
-                      "id": 926,
+                      "id": 724,
                       "name": "DonationMade",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 945,
-                      "src": "10135:12:1",
+                      "referencedDeclaration": 744,
+                      "src": "8541:12:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_function_event_nonpayable$_t_address_$_t_uint256_$_t_uint256_$_t_uint256_$returns$__$",
                         "typeString": "function (address,uint256,uint256,uint256)"
                       }
                     },
-                    "id": 932,
+                    "id": 731,
                     "isConstant": false,
                     "isLValue": false,
                     "isPure": false,
@@ -25672,20 +21663,20 @@
                     "lValueRequested": false,
                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "10135:52:1",
+                    "src": "8541:48:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_tuple$__$",
                       "typeString": "tuple()"
                     }
                   },
-                  "id": 933,
+                  "id": 732,
                   "nodeType": "EmitStatement",
-                  "src": "10130:57:1"
+                  "src": "8536:53:0"
                 }
               ]
             },
             "documentation": null,
-            "id": 935,
+            "id": 734,
             "implemented": true,
             "isConstructor": false,
             "isDeclaredConst": false,
@@ -25693,42 +21684,16 @@
             "name": "makeDonation",
             "nodeType": "FunctionDefinition",
             "parameters": {
-              "id": 869,
+              "id": 680,
               "nodeType": "ParameterList",
               "parameters": [
                 {
                   "constant": false,
-                  "id": 866,
+                  "id": 679,
                   "name": "postId",
                   "nodeType": "VariableDeclaration",
-                  "scope": 935,
-                  "src": "9569:11:1",
-                  "stateVariable": false,
-                  "storageLocation": "default",
-                  "typeDescriptions": {
-                    "typeIdentifier": "t_uint256",
-                    "typeString": "uint256"
-                  },
-                  "typeName": {
-                    "id": 865,
-                    "name": "uint",
-                    "nodeType": "ElementaryTypeName",
-                    "src": "9569:4:1",
-                    "typeDescriptions": {
-                      "typeIdentifier": "t_uint256",
-                      "typeString": "uint256"
-                    }
-                  },
-                  "value": null,
-                  "visibility": "internal"
-                },
-                {
-                  "constant": false,
-                  "id": 868,
-                  "name": "donationValue",
-                  "nodeType": "VariableDeclaration",
-                  "scope": 935,
-                  "src": "9582:18:1",
+                  "scope": 734,
+                  "src": "8137:11:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -25736,10 +21701,10 @@
                     "typeString": "uint256"
                   },
                   "typeName": {
-                    "id": 867,
+                    "id": 678,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "9582:4:1",
+                    "src": "8137:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
@@ -25749,39 +21714,39 @@
                   "visibility": "internal"
                 }
               ],
-              "src": "9568:33:1"
+              "src": "8136:13:0"
             },
-            "payable": false,
+            "payable": true,
             "returnParameters": {
-              "id": 870,
+              "id": 681,
               "nodeType": "ParameterList",
               "parameters": [],
-              "src": "9609:0:1"
+              "src": "8165:0:0"
             },
-            "scope": 1070,
-            "src": "9547:648:1",
-            "stateMutability": "nonpayable",
+            "scope": 857,
+            "src": "8115:482:0",
+            "stateMutability": "payable",
             "superFunction": null,
             "visibility": "public"
           },
           {
             "anonymous": false,
             "documentation": null,
-            "id": 945,
+            "id": 744,
             "name": "DonationMade",
             "nodeType": "EventDefinition",
             "parameters": {
-              "id": 944,
+              "id": 743,
               "nodeType": "ParameterList",
               "parameters": [
                 {
                   "constant": false,
-                  "id": 937,
+                  "id": 736,
                   "indexed": true,
                   "name": "donator",
                   "nodeType": "VariableDeclaration",
-                  "scope": 945,
-                  "src": "10276:23:1",
+                  "scope": 744,
+                  "src": "8678:23:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -25789,10 +21754,10 @@
                     "typeString": "address"
                   },
                   "typeName": {
-                    "id": 936,
+                    "id": 735,
                     "name": "address",
                     "nodeType": "ElementaryTypeName",
-                    "src": "10276:7:1",
+                    "src": "8678:7:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_address",
                       "typeString": "address"
@@ -25803,12 +21768,12 @@
                 },
                 {
                   "constant": false,
-                  "id": 939,
+                  "id": 738,
                   "indexed": true,
                   "name": "donationValue",
                   "nodeType": "VariableDeclaration",
-                  "scope": 945,
-                  "src": "10310:26:1",
+                  "scope": 744,
+                  "src": "8712:26:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -25816,10 +21781,10 @@
                     "typeString": "uint256"
                   },
                   "typeName": {
-                    "id": 938,
+                    "id": 737,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "10310:4:1",
+                    "src": "8712:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
@@ -25830,12 +21795,12 @@
                 },
                 {
                   "constant": false,
-                  "id": 941,
+                  "id": 740,
                   "indexed": false,
                   "name": "donationTimestamp",
                   "nodeType": "VariableDeclaration",
-                  "scope": 945,
-                  "src": "10347:22:1",
+                  "scope": 744,
+                  "src": "8749:22:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -25843,10 +21808,10 @@
                     "typeString": "uint256"
                   },
                   "typeName": {
-                    "id": 940,
+                    "id": 739,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "10347:4:1",
+                    "src": "8749:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
@@ -25857,12 +21822,12 @@
                 },
                 {
                   "constant": false,
-                  "id": 943,
+                  "id": 742,
                   "indexed": false,
                   "name": "postid",
                   "nodeType": "VariableDeclaration",
-                  "scope": 945,
-                  "src": "10380:11:1",
+                  "scope": 744,
+                  "src": "8782:11:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -25870,10 +21835,10 @@
                     "typeString": "uint256"
                   },
                   "typeName": {
-                    "id": 942,
+                    "id": 741,
                     "name": "uint",
                     "nodeType": "ElementaryTypeName",
-                    "src": "10380:4:1",
+                    "src": "8782:4:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
@@ -25883,41 +21848,41 @@
                   "visibility": "internal"
                 }
               ],
-              "src": "10265:133:1"
+              "src": "8667:133:0"
             },
-            "src": "10246:153:1"
+            "src": "8648:153:0"
           },
           {
             "body": {
-              "id": 956,
+              "id": 755,
               "nodeType": "Block",
-              "src": "10503:46:1",
+              "src": "8905:46:0",
               "statements": [
                 {
                   "expression": {
                     "argumentTypes": null,
                     "baseExpression": {
                       "argumentTypes": null,
-                      "id": 952,
+                      "id": 751,
                       "name": "postEarnings",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 116,
-                      "src": "10521:12:1",
+                      "referencedDeclaration": 55,
+                      "src": "8923:12:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_mapping$_t_uint256_$_t_uint256_$",
                         "typeString": "mapping(uint256 => uint256)"
                       }
                     },
-                    "id": 954,
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                       "name": "postId",
                       "nodeType": "Identifier",
                       "overloadedDeclarations": [],
-                      "referencedDeclaration": 947,
-                      "src": "10534:6:1",
+                      "referencedDeclaration": 746,
+                      "src": "8936:6:0",
                       "typeDescriptions": {
                         "typeIdentifier": "t_uint256",
                         "typeString": "uint256"
@@ -25928,21 +21893,21 @@
                     "isPure": false,
                     "lValueRequested": false,
                     "nodeType": "IndexAccess",
-                    "src": "10521:20:1",
+                    "src": "8923:20:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_uint256",
                       "typeString": "uint256"
                     }
                   },
-                  "functionReturnParameters": 951,
-                  "id": 955,
+                  "functionReturnParameters": 750,
+                  "id": 754,
                   "nodeType": "Return",
-                  "src": "10514:27:1"
+                  "src": "8916:27:0"
                 }
               ]
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             "implemented": true,
             "isConstructor": false,
             "isDeclaredConst": true,
@@ -25950,50 +21915,16 @@
             "name": "getPostDonations",
             "nodeType": "FunctionDefinition",
             "parameters": {
-              "id": 948,
+              "id": 747,
               "nodeType": "ParameterList",
               "parameters": [
                 {
                   "constant": false,
-                  "id": 947,
+                  "id": 746,
                   "name": "postId",
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@@ -26001,134 +21932,33 @@
                     "typeString": "uint256"
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@@ -26136,10 +21966,10 @@
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@@ -26149,10 +21979,10 @@
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@@ -26182,10 +22012,10 @@
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@@ -26196,12 +22026,12 @@
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@@ -26222,15 +22052,15 @@
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@@ -26242,7 +22072,7 @@
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@@ -26281,7 +22111,7 @@
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@@ -26307,7 +22137,7 @@
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@@ -26394,10 +22224,10 @@
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@@ -26407,39 +22237,39 @@
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@@ -26447,7 +22277,7 @@
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@@ -26458,14 +22288,14 @@
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@@ -26477,19 +22307,19 @@
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@@ -26499,18 +22329,18 @@
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@@ -26546,21 +22376,21 @@
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@@ -26568,15 +22398,15 @@
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@@ -26585,19 +22415,19 @@
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@@ -26608,14 +22438,14 @@
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@@ -26623,21 +22453,21 @@
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@@ -26646,34 +22476,34 @@
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@@ -26681,7 +22511,7 @@
                               "memberName": "sender",
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@@ -26692,7 +22522,7 @@
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+                            "src": "9979:21:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_bytes32",
                               "typeString": "bytes32"
@@ -26702,31 +22532,31 @@
                           "operator": "=",
                           "rightHandSide": {
                             "argumentTypes": null,
-                            "id": 1024,
+                            "id": 811,
                             "name": "username",
                             "nodeType": "Identifier",
                             "overloadedDeclarations": [],
-                            "referencedDeclaration": 977,
-                            "src": "11738:8:1",
+                            "referencedDeclaration": 764,
+                            "src": "10003:8:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_bytes32",
                               "typeString": "bytes32"
                             }
                           },
-                          "src": "11714:32:1",
+                          "src": "9979:32:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_bytes32",
                             "typeString": "bytes32"
                           }
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                         "nodeType": "ExpressionStatement",
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+                        "src": "9979:32:0"
                       },
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@@ -26735,26 +22565,26 @@
                             "argumentTypes": null,
                             "baseExpression": {
                               "argumentTypes": null,
-                              "id": 1027,
+                              "id": 814,
                               "name": "usernamesTaken",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 120,
-                              "src": "11761:14:1",
+                              "referencedDeclaration": 59,
+                              "src": "10026:14:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_mapping$_t_bytes32_$_t_bool_$",
                                 "typeString": "mapping(bytes32 => bool)"
                               }
                             },
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                             "indexExpression": {
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+                              "id": 815,
                               "name": "username",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 977,
-                              "src": "11776:8:1",
+                              "referencedDeclaration": 764,
+                              "src": "10041:8:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_bytes32",
                                 "typeString": "bytes32"
@@ -26765,7 +22595,7 @@
                             "isPure": false,
                             "lValueRequested": true,
                             "nodeType": "IndexAccess",
-                            "src": "11761:24:1",
+                            "src": "10026:24:0",
                             "typeDescriptions": {
                               "typeIdentifier": "t_bool",
                               "typeString": "bool"
@@ -26776,14 +22606,14 @@
                           "rightHandSide": {
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                             "hexValue": "74727565",
-                            "id": 1030,
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                             "kind": "bool",
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                             "nodeType": "Literal",
-                            "src": "11788:4:1",
+                            "src": "10053:4:0",
                             "subdenomination": null,
                             "typeDescriptions": {
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@@ -26791,20 +22621,20 @@
                             },
                             "value": "true"
                           },
-                          "src": "11761:31:1",
+                          "src": "10026:31:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_bool",
                             "typeString": "bool"
                           }
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                         "nodeType": "ExpressionStatement",
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+                        "src": "10026:31:0"
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@@ -26813,26 +22643,26 @@
                             "argumentTypes": null,
                             "baseExpression": {
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-                              "id": 1033,
+                              "id": 820,
                               "name": "usernamesTaken",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 120,
-                              "src": "11807:14:1",
+                              "referencedDeclaration": 59,
+                              "src": "10072:14:0",
                               "typeDescriptions": {
                                 "typeIdentifier": "t_mapping$_t_bytes32_$_t_bool_$",
                                 "typeString": "mapping(bytes32 => bool)"
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                               "name": "currentUsername",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 990,
-                              "src": "11822:15:1",
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+                              "src": "10087:15:0",
                               "typeDescriptions": {
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                                 "typeString": "bytes32"
@@ -26843,7 +22673,7 @@
                             "isPure": false,
                             "lValueRequested": true,
                             "nodeType": "IndexAccess",
-                            "src": "11807:31:1",
+                            "src": "10072:31:0",
                             "typeDescriptions": {
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                               "typeString": "bool"
@@ -26854,14 +22684,14 @@
                           "rightHandSide": {
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                             "hexValue": "66616c7365",
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                             "kind": "bool",
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                             "nodeType": "Literal",
-                            "src": "11841:5:1",
+                            "src": "10106:5:0",
                             "subdenomination": null,
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@@ -26869,30 +22699,30 @@
                             },
                             "value": "false"
                           },
-                          "src": "11807:39:1",
+                          "src": "10072:39:0",
                           "typeDescriptions": {
                             "typeIdentifier": "t_bool",
                             "typeString": "bool"
                           }
                         },
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                         "nodeType": "ExpressionStatement",
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@@ -26901,34 +22731,34 @@
                             "argumentTypes": null,
                             "baseExpression": {
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-                              "id": 1006,
+                              "id": 793,
                               "name": "usernames",
                               "nodeType": "Identifier",
                               "overloadedDeclarations": [],
-                              "referencedDeclaration": 124,
-                              "src": "11502:9:1",
+                              "referencedDeclaration": 63,
+                              "src": "9767:9:0",
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                                 "typeString": "mapping(address => bytes32)"
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                                 "name": "msg",
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-                                "referencedDeclaration": 1085,
-                                "src": "11512:3:1",
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                                   "typeString": "msg"
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@@ -26936,7 +22766,7 @@
                               "memberName": "sender",
                               "nodeType": "MemberAccess",
                               "referencedDeclaration": null,
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                                 "typeString": "address"
@@ -26947,7 +22777,7 @@
                             "isPure": false,
                             "lValueRequested": true,
                             "nodeType": "IndexAccess",
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@@ -26957,31 +22787,31 @@
                           "operator": "=",
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                               "typeString": "bytes32"
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                             "typeString": "bytes32"
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@@ -26990,26 +22820,26 @@
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                                 "typeString": "mapping(bytes32 => bool)"
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                               "name": "username",
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@@ -27020,7 +22850,7 @@
                             "isPure": false,
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                             "nodeType": "IndexAccess",
-                            "src": "11549:24:1",
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@@ -27031,14 +22861,14 @@
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                             "hexValue": "74727565",
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@@ -27046,15 +22876,15 @@
                             },
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                             "typeString": "bool"
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@@ -27067,18 +22897,18 @@
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                         "expression": {
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                           "name": "msg",
                           "nodeType": "Identifier",
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-                          "src": "11967:3:1",
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                             "typeString": "msg"
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@@ -27086,7 +22916,7 @@
                         "memberName": "sender",
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                         "referencedDeclaration": null,
-                        "src": "11967:10:1",
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                         "typeDescriptions": {
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@@ -27094,12 +22924,12 @@
                       },
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                         "name": "username",
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-                        "src": "11979:8:1",
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@@ -27117,18 +22947,18 @@
                           "typeString": "bytes32"
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-                      "src": "11951:15:1",
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@@ -27136,20 +22966,20 @@
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                     "names": [],
                     "nodeType": "FunctionCall",
-                    "src": "11951:37:1",
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@@ -27157,16 +22987,16 @@
             "name": "SetUsername",
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               "parameters": [
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@@ -27174,10 +23004,10 @@
                     "typeString": "bytes32"
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+                    "id": 763,
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-                    "src": "11084:7:1",
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@@ -27187,52 +23017,52 @@
                   "visibility": "internal"
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               ],
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@@ -27243,21 +23073,21 @@
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-                    "src": "12152:15:1",
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@@ -27265,16 +23095,16 @@
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@@ -27282,10 +23112,10 @@
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@@ -27295,20 +23125,20 @@
                   "visibility": "internal"
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@@ -27316,10 +23146,10 @@
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@@ -27329,37 +23159,37 @@
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                     "isPure": false,
@@ -27367,21 +23197,21 @@
                     "memberName": "sender",
                     "nodeType": "MemberAccess",
                     "referencedDeclaration": null,
-                    "src": "12303:10:1",
+                    "src": "10568:10:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_address",
                       "typeString": "address"
                     }
                   },
-                  "functionReturnParameters": 1064,
-                  "id": 1067,
+                  "functionReturnParameters": 851,
+                  "id": 854,
                   "nodeType": "Return",
-                  "src": "12296:17:1"
+                  "src": "10561:17:0"
                 }
               ]
             },
             "documentation": null,
-            "id": 1069,
+            "id": 856,
             "implemented": true,
             "isConstructor": false,
             "isDeclaredConst": true,
@@ -27389,23 +23219,23 @@
             "name": "getSenderAddress",
             "nodeType": "FunctionDefinition",
             "parameters": {
-              "id": 1061,
+              "id": 848,
               "nodeType": "ParameterList",
               "parameters": [],
-              "src": "12252:2:1"
+              "src": "10517:2:0"
             },
             "payable": false,
             "returnParameters": {
-              "id": 1064,
+              "id": 851,
               "nodeType": "ParameterList",
               "parameters": [
                 {
                   "constant": false,
-                  "id": 1063,
+                  "id": 850,
                   "name": "",
                   "nodeType": "VariableDeclaration",
-                  "scope": 1069,
-                  "src": "12276:7:1",
+                  "scope": 856,
+                  "src": "10541:7:0",
                   "stateVariable": false,
                   "storageLocation": "default",
                   "typeDescriptions": {
@@ -27413,10 +23243,10 @@
                     "typeString": "address"
                   },
                   "typeName": {
-                    "id": 1062,
+                    "id": 849,
                     "name": "address",
                     "nodeType": "ElementaryTypeName",
-                    "src": "12276:7:1",
+                    "src": "10541:7:0",
                     "typeDescriptions": {
                       "typeIdentifier": "t_address",
                       "typeString": "address"
@@ -27426,20 +23256,20 @@
                   "visibility": "internal"
                 }
               ],
-              "src": "12275:9:1"
+              "src": "10540:9:0"
             },
-            "scope": 1070,
-            "src": "12227:94:1",
+            "scope": 857,
+            "src": "10492:94:0",
             "stateMutability": "view",
             "superFunction": null,
             "visibility": "public"
           }
         ],
-        "scope": 1071,
-        "src": "434:11890:1"
+        "scope": 858,
+        "src": "434:10155:0"
       }
     ],
-    "src": "0:12326:1"
+    "src": "0:10591:0"
   },
   "compiler": {
     "name": "solc",
@@ -27453,5 +23283,5 @@
     }
   },
   "schemaVersion": "2.0.1",
-  "updatedAt": "2019-01-20T16:30:40.311Z"
+  "updatedAt": "2019-01-23T07:35:13.460Z"
 }
\ No newline at end of file
diff --git a/Solidity/contracts/NoFilter.sol b/Solidity/contracts/NoFilter.sol
index d40dfa6..b1b42e7 100644
--- a/Solidity/contracts/NoFilter.sol
+++ b/Solidity/contracts/NoFilter.sol
@@ -25,7 +25,6 @@ contract NoFilter {
     mapping (address => mapping(uint => mapping(uint => uint))) commentVoters; //keeps track of a users voting history, helps to prevent vote spamming from a single account
     
     //Donation System
-    mapping (address => uint) balances;
     mapping (uint => uint) postEarnings;
     //mapping (uint => mapping(uint => uint)) commentEarnings;
     
@@ -204,68 +203,21 @@ contract NoFilter {
     function getPostCounter() public view returns (uint) {
         return postNumber;
     }
-    
-    //deposit and Withdrawal System
-    
-    //Invoked when a donation is made
-    event Deposited (
-        address indexed depositer,
-        uint value
-    );
-    
-    //deposit trx into the smart contract
-    function deposit() public payable {
-        require(msg.value > 0, "no attached value");
-        balances[msg.sender] += msg.value;
-        emit Deposited(msg.sender, msg.value);
-    }
-    
-    //Invoked when a Withdrawal is made
-    event Withdrawal (
-        address indexed taker,
-        uint value
-    );
-    
-    
-    //Withdraw funds
-    function withdraw(bool withdrawall, uint trxAmmount) public {
-        
-        //either withdraw all the funds for a user 
-        if(withdrawall == true){
-            uint balance = balances[msg.sender];
-            require(balance > 0, "Sender does not have funds");
-            balances[msg.sender] = 0;
-            msg.sender.transfer(balance);
-            emit Withdrawal(msg.sender, balance);
-        }
-        else{ //or take out a specific amount of tron
-            require(trxAmmount > 0, "Incorrect withdraw value");
-            require(balances[msg.sender] >= trxAmmount, "attempting to withdraw too much");
-            balances[msg.sender] -= trxAmmount;
-            msg.sender.transfer(trxAmmount);
-            emit Withdrawal(msg.sender, trxAmmount);
-        }
-    }
-    
+
     //Donation System 
     
     //make a donation to a post
-    function makeDonation(uint postId, uint donationValue) public {
-        
+    function makeDonation(uint postId) public payable {
+        require(msg.value > 0, "no attached value");
         require(postId >= 0, "votes is not for a valid post");
         require(postId < postNumber, "votes is for a non existent post");
         
-        require(donationValue > 0, "no attached value");
-        require(donationValue <= balances[msg.sender]);
-        
-        
-        balances[msg.sender] -= donationValue;
+        address owner = postOwners[postId];
+        owner.transfer(msg.value);
         
         //post owner
-        address owner = postOwners[postId];
-        balances[owner] += donationValue;
-        postEarnings[postId] += donationValue;
-        emit DonationMade(msg.sender, donationValue, now, postId);
+        postEarnings[postId] += msg.value;
+        emit DonationMade(msg.sender, msg.value, now, postId);
     }
     
     //Invoked when a donation is made
@@ -281,11 +233,6 @@ contract NoFilter {
         return postEarnings[postId];
     }
     
-    //get user balance
-    function getBalance(address user) public view returns (uint) {
-        return balances[user];
-    }
-    
     // Username System
     //Invoked when the post has been created, so that the dApp can access the content
     event UsernameCreated (