application-demo

applications/application-demo/README.md

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+# Acala x PolkaWorld Dapp Hackathon 2022
+
+- Project Name: Name of your project (e.g. RiverSwap)
+- Team Name: Legal name of your team (e.g. River)
+- Project online usage link: https://
+- Payment Address: Acala(aUSD) payment address.
+
+## Project Overview 📄
+
+### Overview
+
+Please provide the following:
+
+- If the name of your project is not descriptive, a tag line (one sentence summary).
+- A brief description of your project.
+- An indication of how your project relates to / integrates into Acala / Karura EVM+.
+- An indication of why your team is interested in creating this project.
+
+### Project Details
+
+- Detailed description of the core functiona of the project.
+- Project deployment step instructions.
+- If necessary, please provide relevant test usage documentation.
+
+### Ecosystem Fit
+
+Help us locate your project in the Polkadot/Substrate/Kusama landscape and what problems it tries to solve by answering each of these questions:
+
+- Where and how does your project fit into the ecosystem?
+- What need(s) does your project meet?
+- What makes your project unique?
+
+
+## Team 👥
+
+### Team members
+
+- Name of team leader
+- Names of team members
+
+### Contact
+
+- Contact Name: Full name of the contact person in your team
+- Contact Email: Contact email (e.g. john@river.io)
+- Website:
+
+### Team's experience
+
+Please describe the team's relevant experience. If your project involves development work, we would appreciate it if you singled out a few interesting projects or contributions made by team members in the past. 
+
+### Future Plans
+
+Please include here
+
+- how you intend to use, enhance, promote and support your project in the short term, and
+- the team's long-term plans and intentions in relation to it.

applications/application-demo/contracts/HelloWorld.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity =0.8.9;
+
+contract HelloWorld {
+  string public helloWorld = 'Hello World!';
+
+  constructor() public {
+  }
+}

applications/application-demo/contracts/Migrations.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.4.22 <0.9.0;
+
+contract Migrations {
+  address public owner = msg.sender;
+  uint public last_completed_migration;
+
+  modifier restricted() {
+    require(
+      msg.sender == owner,
+      "This function is restricted to the contract's owner"
+    );
+    _;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+}

applications/application-demo/migrations/1637018277_deploy_hello_world.js

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+const HelloWorld = artifacts.require("HelloWorld");
+
+module.exports = async function (deployer) {
+  console.log("Deploying HelloWorld");
+
+  await deployer.deploy(HelloWorld);
+
+  console.log("HelloWorld deployed at:", HelloWorld.address);
+};

applications/application-demo/migrations/1_initial_migration.js

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+const Migrations = artifacts.require("Migrations");
+
+module.exports = function (deployer) {
+  deployer.deploy(Migrations);
+};

applications/application-demo/package.json

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+{
+  "name": "truffle-tutorial-hello-world",
+  "version": "1.0.0",
+  "main": "index.js",
+  "author": "Jan Turk",
+  "license": "MIT",
+  "dependencies": {
+    "truffle": "^5.4.19"
+  },
+  "devDependencies": {
+    "@truffle/hdwallet-provider": "^1.6.0"
+  },
+  "scripts": {
+    "build": "truffle compile",
+    "test": "truffle test",
+    "test-mandala": "truffle test --network mandala",
+    "test-mandala:pubDev": "truffle test --network mandalaPublicDev",
+    "test-mandala:CI": "truffle test --network mandalaCI",
+    "deploy": "truffle migrate",
+    "deploy-mandala": "truffle migrate --network mandala",
+    "deploy-mandala:pubDev": "truffle migrate --network mandalaPublicDev",
+    "deploy-mandala:CI": "truffle migrate --network mandalaCI"
+  }
+}

applications/application-demo/test/hello_world.js

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+const HelloWorld = artifacts.require("HelloWorld");
+
+/*
+ * uncomment accounts to access the test accounts made available by the
+ * Ethereum client
+ * See docs: https://www.trufflesuite.com/docs/truffle/testing/writing-tests-in-javascript
+ */
+contract("HelloWorld", function (/* accounts */) {
+  let instance;
+
+  before("setup development environment", async function () {
+    instance = await HelloWorld.deployed();
+    return assert.isTrue(true);
+  });
+
+  it("should assert true", async function () {
+    console.log(instance.address);
+  });
+
+  it("returns the right value after the contract is deployed", async function() {
+    const hello_world = await instance.helloWorld();
+
+    expect(hello_world).to.equal("Hello World!");
+  });
+});

applications/application-demo/truffle-config.js

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+/**
+ * Use this file to configure your truffle project. It's seeded with some
+ * common settings for different networks and features like migrations,
+ * compilation and testing. Uncomment the ones you need or modify
+ * them to suit your project as necessary.
+ *
+ * More information about configuration can be found at:
+ *
+ * trufflesuite.com/docs/advanced/configuration
+ *
+ * To deploy via Infura you'll need a wallet provider (like @truffle/hdwallet-provider)
+ * to sign your transactions before they're sent to a remote public node. Infura accounts
+ * are available for free at: infura.io/register.
+ *
+ * You'll also need a mnemonic - the twelve word phrase the wallet uses to generate
+ * public/private key pairs. If you're publishing your code to GitHub make sure you load this
+ * phrase from a file you've .gitignored so it doesn't accidentally become public.
+ *
+ */
+
+const HDWalletProvider = require('@truffle/hdwallet-provider');
+//
+// const fs = require('fs');
+// const mnemonic = fs.readFileSync(".secret").toString().trim();
+const mnemonicPhrase = 'fox sight canyon orphan hotel grow hedgehog build bless august weather swarm';
+
+const mandalaConfig = (endpointUrl) => ({
+  provider: () =>
+    new HDWalletProvider(mnemonicPhrase, endpointUrl),
+  network_id: 595,
+  gasPrice: 0x2f955803e9,
+  gas: 0x3293440,
+  timeoutBlocks: 25,
+  confirmations: 0
+});
+
+module.exports = {
+  /**
+   * Networks define how you connect to your ethereum client and let you set the
+   * defaults web3 uses to send transactions. If you don't specify one truffle
+   * will spin up a development blockchain for you on port 9545 when you
+   * run `develop` or `test`. You can ask a truffle command to use a specific
+   * network from the command line, e.g
+   *
+   * $ truffle test --network <network-name>
+   */
+
+  networks: {
+    mandala: mandalaConfig("http://127.0.0.1:8545"),
+    mandalaPublicDev: mandalaConfig("https://tc7-eth.aca-dev.network"),
+    mandalaCI: mandalaConfig("http://eth-rpc-adapter-server:8545"),
+    // Useful for testing. The `development` name is special - truffle uses it by default
+    // if it's defined here and no other network is specified at the command line.
+    // You should run a client (like ganache-cli, geth or parity) in a separate terminal
+    // tab if you use this network and you must also set the `host`, `port` and `network_id`
+    // options below to some value.
+    //
+    development: {
+     host: "127.0.0.1",     // Localhost (default: none)
+     port: 8545,            // Standard Ethereum port (default: none)
+     network_id: "*",       // Any network (default: none)
+    },
+    // Another network with more advanced options...
+    // advanced: {
+    // port: 8777,             // Custom port
+    // network_id: 1342,       // Custom network
+    // gas: 8500000,           // Gas sent with each transaction (default: ~6700000)
+    // gasPrice: 20000000000,  // 20 gwei (in wei) (default: 100 gwei)
+    // from: <address>,        // Account to send txs from (default: accounts[0])
+    // websocket: true        // Enable EventEmitter interface for web3 (default: false)
+    // },
+    // Useful for deploying to a public network.
+    // NB: It's important to wrap the provider as a function.
+    // ropsten: {
+    // provider: () => new HDWalletProvider(mnemonic, `https://ropsten.infura.io/v3/YOUR-PROJECT-ID`),
+    // network_id: 3,       // Ropsten's id
+    // gas: 5500000,        // Ropsten has a lower block limit than mainnet
+    // confirmations: 2,    // # of confs to wait between deployments. (default: 0)
+    // timeoutBlocks: 200,  // # of blocks before a deployment times out  (minimum/default: 50)
+    // skipDryRun: true     // Skip dry run before migrations? (default: false for public nets )
+    // },
+    // Useful for private networks
+    // private: {
+    // provider: () => new HDWalletProvider(mnemonic, `https://network.io`),
+    // network_id: 2111,   // This network is yours, in the cloud.
+    // production: true    // Treats this network as if it was a public net. (default: false)
+    // }
+  },
+
+  // Set default mocha options here, use special reporters etc.
+  mocha: {
+    timeout: 100000
+  },
+
+  // Configure your compilers
+  compilers: {
+    solc: {
+      version: "0.8.9",    // Fetch exact version from solc-bin (default: truffle's version)
+      // docker: true,        // Use "0.5.1" you've installed locally with docker (default: false)
+      // settings: {          // See the solidity docs for advice about optimization and evmVersion
+      //  optimizer: {
+      //    enabled: false,
+      //    runs: 200
+      //  },
+      //  evmVersion: "byzantium"
+      // }
+    }
+  },
+
+  // Truffle DB is currently disabled by default; to enable it, change enabled: false to enabled: true
+  //
+  // Note: if you migrated your contracts prior to enabling this field in your Truffle project and want
+  // those previously migrated contracts available in the .db directory, you will need to run the following:
+  // $ truffle migrate --reset --compile-all
+
+  db: {
+    enabled: false
+  }
+};