Added Travis file for Travis implementation

.travis.yml

@@ -0,0 +1,18 @@
+language: node_js
+node_js:
+  - "stable"
+
+services:
+  - docker
+
+cache:
+  directories:
+    - node_modules
+
+before_install:
+  - npm install -g truffle
+  - docker run -d -p 8545:8545 trufflesuite/ganache-cli:latest
+
+script:
+  - truffle migrate
+  - truffle test

README.md

@@ -1,9 +1,14 @@
 # testcoders-blockchain-meetup
 
 ## Getting started
-Make sure you have `truffle` and `testrpc` installed
+Make sure you have `truffle` and `ganache-cli` installed
 ```bash
-npm install -g truffle ethereumjs-testrpc
+npm install -g truffle npm ganache-cli
+```
+
+Run ganache (formerly known as testrpc)
+```bash
+ganache-cli
 ```
 
 `cd` into the repository directory and run the following command to create build artifacts for the smart contract:

contracts/TestCodersToken.sol

@@ -3,24 +3,24 @@ pragma solidity ^0.4.18;
 contract ERC20Interface {
 
     // Get the total token supply
-    function totalSupply() constant returns (uint256);
+    function totalSupply() public constant returns (uint256);
 
     // Get the account balance of another account with address _owner
-    function balanceOf(address _owner) constant returns (uint256 balance);
+    function balanceOf(address _owner) public constant returns (uint256 balance);
 
     // Send _value amount of tokens to address _to
-    function transfer(address _to, uint256 _value) returns (bool success);
+    function transfer(address _to, uint256 _value) public returns (bool success);
 
     // Send _value amount of tokens from address _from to address _to
-    function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
+    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
 
     // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
     // If this function is called again it overwrites the current allowance with _value.
     // this function is required for some DEX functionality
-    function approve(address _spender, uint256 _value) returns (bool success);
+    function approve(address _spender, uint256 _value) public returns (bool success);
 
     // Returns the amount which _spender is still allowed to withdraw from _owner
-    function allowance(address _owner, address _spender) constant returns (uint256 remaining);
+    function allowance(address _owner, address _spender) public constant returns (uint256 remaining);
 
     // Triggered when tokens are transferred.
     event Transfer(address indexed _from, address indexed _to, uint256 _value);
@@ -53,26 +53,26 @@ contract TestCodersToken is ERC20Interface {
     }
 
     // Constructor
-    function TestCodersToken() {
+    function TestCodersToken() public {
         owner = msg.sender;
         balances[owner] = _totalSupply;
     }
 
-    function totalSupply() constant returns (uint256) {
+    function totalSupply() constant public returns (uint256) {
         return _totalSupply;
     }
 
     // What is the balance of a particular account?
-    function balanceOf(address _owner) constant returns (uint256 balance) {
+    function balanceOf(address _owner) constant public returns (uint256 balance) {
         return balances[_owner];
     }
 
     // Transfer the balance from owner's account to another account
-    function transfer(address _to, uint256 _amount) returns (bool success) {
+    function transfer(address _to, uint256 _amount) public returns (bool success) {
         if (balances[msg.sender] >= _amount && _amount > 0 && balances[_to] + _amount > balances[_to]) {
             balances[msg.sender] -= _amount;
             balances[_to] += _amount;
-            Transfer(msg.sender, _to, _amount);
+            emit Transfer(msg.sender, _to, _amount);
             return true;
         } else {
             return false;
@@ -89,12 +89,13 @@ contract TestCodersToken is ERC20Interface {
         address _from,
         address _to,
         uint256 _amount
-    ) returns (bool success) 
-    { if (balances[_from] >= _amount && allowed[_from][msg.sender] >= _amount && _amount > 0 && balances[_to] + _amount > balances[_to]) {
+    ) public returns (bool success) 
+    { 
+        if (balances[_from] >= _amount && allowed[_from][msg.sender] >= _amount && _amount > 0 && balances[_to] + _amount > balances[_to]) {
             balances[_from] -= _amount;
             allowed[_from][msg.sender] -= _amount;
             balances[_to] += _amount;
-            Transfer(_from, _to, _amount);
+            emit Transfer(_from, _to, _amount);
             return true;
         } else {
             return false;
@@ -103,13 +104,13 @@ contract TestCodersToken is ERC20Interface {
 
     // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
     // If this function is called again it overwrites the current allowance with _value.
-    function approve(address _spender, uint256 _amount) returns (bool success) {
+    function approve(address _spender, uint256 _amount) public returns (bool success) {
         allowed[msg.sender][_spender] = _amount;
-        Approval(msg.sender, _spender, _amount);
+        emit Approval(msg.sender, _spender, _amount);
         return true;
     }
 
-    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
+    function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
         return allowed[_owner][_spender];
     }
 }