Added CI pipeline, linting, tests (#20)

* Added Travis configuration
* Added linting configuration (and fixed linting issues)
* Added `docs/` folder
* Added tests for most methods

.eslintignore

@@ -0,0 +1 @@
+docs/

.eslintrc.js

@@ -0,0 +1,9 @@
+module.exports = {
+    "env": {
+        "mocha": true,
+    },
+    "extends": "airbnb-base",
+    "rules": {
+        "no-console": "off",
+    },
+};

.travis.yml

@@ -0,0 +1,16 @@
+language: node_js
+
+node_js:
+  - "8"
+  - "10"
+
+script:
+  - npm run lint
+  - npm run test
+
+after_success:
+  - npm run coverage
+
+notifications:
+  email:
+    roscokalis+travis@gmail.com

README.md

@@ -1,8 +1,10 @@
 # truffle-assertions
 
-[![npm version](https://badge.fury.io/js/truffle-assertions.svg)](https://www.npmjs.com/package/truffle-assertions)
-[![npm](https://img.shields.io/npm/dt/truffle-assertions.svg)](https://www.npmjs.com/package/truffle-assertions)
-[![npm](https://img.shields.io/npm/l/truffle-assertions.svg)](https://www.npmjs.com/package/truffle-assertions)
+[![Build Status](https://travis-ci.org/rkalis/truffle-assertions.svg?branch=v1.0)](https://travis-ci.org/rkalis/truffle-assertions)
+[![Coverage Status](https://img.shields.io/codecov/c/github/rkalis/truffle-assertions/v1.0.svg)](https://codecov.io/gh/rkalis/truffle-assertions/)
+[![NPM Version](https://img.shields.io/npm/v/truffle-assertions.svg)](https://www.npmjs.com/package/truffle-assertions)
+[![NPM Monthly Downloads](https://img.shields.io/npm/dm/truffle-assertions.svg)](https://www.npmjs.com/package/truffle-assertions)
+[![NPM License](https://img.shields.io/npm/l/truffle-assertions.svg)](https://www.npmjs.com/package/truffle-assertions)
 
 This package adds additional assertions that can be used to test Ethereum smart contracts inside Truffle tests.
 

docs/kalis-me-tutorial-code/contracts/Casino.sol

@@ -0,0 +1,47 @@
+pragma solidity ^0.4.23;
+
+contract Casino {
+    address public owner;
+
+    event Play(address indexed player, uint256 betSize, uint8 betNumber, uint8 winningNumber);
+    event Payout(address winner, uint256 payout);
+
+    constructor() public {
+        owner = msg.sender;
+    }
+
+    function kill() external {
+        require(msg.sender == owner, "Only the owner can kill this contract");
+        selfdestruct(owner);
+    }
+
+    function fund() external payable {}
+
+    function bet(uint8 number) external payable {
+        require(msg.value <= getMaxBet(), "Bet amount can not exceed max bet size");
+        require(msg.value > 0, "A bet should be placed");
+
+        uint8 winningNumber = generateWinningNumber();
+        emit Play(msg.sender, msg.value, number, winningNumber);
+
+        if (number == winningNumber) {
+            payout(msg.sender, msg.value * 10);
+        }
+    }
+
+    function getMaxBet() public view returns (uint256) {
+        return address(this).balance / 100;
+    }
+
+    function generateWinningNumber() internal view returns (uint8) {
+        return uint8(block.number % 10 + 1); // Don't do this in production
+    }
+
+    function payout(address winner, uint256 amount) internal {
+        assert(amount > 0);
+        assert(amount <= address(this).balance);
+
+        winner.transfer(amount);
+        emit Payout(winner, amount);
+    }
+}

docs/kalis-me-tutorial-code/contracts/Migrations.sol

@@ -0,0 +1,23 @@
+pragma solidity ^0.4.23;
+
+contract Migrations {
+    address public owner;
+    uint public last_completed_migration;
+
+    modifier restricted() {
+        if (msg.sender == owner) _;
+    }
+
+    constructor() public {
+        owner = msg.sender;
+    }
+
+    function setCompleted(uint completed) public restricted {
+        last_completed_migration = completed;
+    }
+
+    function upgrade(address new_address) public restricted {
+        Migrations upgraded = Migrations(new_address);
+        upgraded.setCompleted(last_completed_migration);
+    }
+}

docs/kalis-me-tutorial-code/migrations/1_initial_migration.js

@@ -0,0 +1,5 @@
+var Migrations = artifacts.require("./Migrations.sol");
+
+module.exports = function(deployer) {
+    deployer.deploy(Migrations);
+};