Merge branch 'master' into master

.github/ISSUE_TEMPLATE.md

+## The Problem
+
+- [ ] 🐛 This is a bug report.
+- [ ] 📈 This is a feature request.
+
+<!-- Please check one of the above by placing an x in the box. -->
+
+Briefly describe the issue you are experiencing (or the feature you want to see added to OpenZeppelin). Tell us what you were trying to do and what happened instead. **Remember, this is _not_ a place to ask for help debugging code; for that, we welcome you in the [OpenZeppelin Slack Channel](https://slack.openzeppelin.org/).**
+
+## 💻 Environment
+
+First, we need to know what your environment looks like.
+
+- Which version of OpenZeppelin are you using?
+- What network are you deploying to? testrpc? Ganache? Ropsten?
+- How are you deploying your OpenZeppelin-backed contracts? truffle? Remix? Let us know!
+
+## 📝 Details
+
+Describe the problem you have been experiencing in more detail. Include as much information as you think is relevant. Keep in mind that transactions can fail for many reasons; context is key here.
+
+## 🔢 Code To Reproduce Issue [ Good To Have ]
+
+Please remember that with sample code it's easier to reproduce the bug and it's much faster to fix it.
+
+```
+insert short code snippets here
+```
+
+<!-- If your code is larger, consider linking us to a repo illustrating your issue. -->
+
+## 👍 Other Information
+<!-- List any other information that is relevant to your issue. Error logs, related issues, suggestions on how to fix, Stack Overflow links, forum links, etc. -->

.github/PULL_REQUEST_TEMPLATE.md

+<!-- 🎉 Thank you for submitting a PR! Before submitting, please review the following checklist: -->
+
+- [ ] 📘 I've reviewed the [OpenZeppelin Contributor Guidelines](/docs/CONTRIBUTING.md)
+- [ ] ✅ I've added tests where applicable to test my new functionality.
+- [ ] 📖 I've made sure that my contracts are well-documented.
+- [ ] 🎨 I've run the JavaScript linter (`npm run lint:fix`) and fixed all issues.
+
+<!-- **Does this close any open issues?** If so, list them here. -->
+
+Fixes #
+
+---
+
+# 🚀 Description
+
+<!-- Describe the changes introduced in this pull request -->
+<!-- Include any context necessary for understanding the PR's purpose. -->
\ No newline at end of file

CONTRIBUTING.md

@@ -80,6 +80,8 @@ git checkout -b fix/some-bug
 git checkout -b remove/some-file
 ```
 
+If your branch is planned to fix an open issue, postfix your branch name with the issue number like `fix/some-bug-#123`.
+
 We expect pull requests to be rebased to the master branch before merging:
 ```sh
 git remote add zep git@github.com:OpenZeppelin/zeppelin-solidity.git

contracts/examples/SimpleToken.sol

@@ -24,6 +24,7 @@ contract SimpleToken is StandardToken {
   function SimpleToken() public {
     totalSupply = INITIAL_SUPPLY;
     balances[msg.sender] = INITIAL_SUPPLY;
+    Transfer(0x0, msg.sender, INITIAL_SUPPLY);
   }
 
 }

package.json

@@ -5,6 +5,7 @@
   "scripts": {
     "test": "scripts/test.sh",
     "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
     "console": "truffle console",
     "coverage": "scripts/coverage.sh"
   },

test/SimpleToken.test.js

+import decodeLogs from './helpers/decodeLogs';
+const SimpleToken = artifacts.require('examples/SimpleToken.sol');
+
+contract('SimpleToken', accounts => {
+  let token;
+  const creator = accounts[0];
+
+  beforeEach(async function () {
+    token = await SimpleToken.new({ from: creator });
+  });
+
+  it('has a name', async function () {
+    const name = await token.name();
+    assert.equal(name, 'SimpleToken');
+  });
+
+  it('has a symbol', async function () {
+    const symbol = await token.symbol();
+    assert.equal(symbol, 'SIM');
+  });
+
+  it('has 18 decimals', async function () {
+    const decimals = await token.decimals();
+    assert(decimals.eq(18));
+  });
+  
+  it('assigns the initial total supply to the creator', async function () {
+    const totalSupply = await token.totalSupply();
+    const creatorBalance = await token.balanceOf(creator);
+
+    assert(creatorBalance.eq(totalSupply));
+
+    const receipt = web3.eth.getTransactionReceipt(token.transactionHash);
+    const logs = decodeLogs(receipt.logs, SimpleToken, token.address);
+    assert.equal(logs.length, 1);
+    assert.equal(logs[0].event, 'Transfer');
+    assert.equal(logs[0].args.from.valueOf(), 0x0);
+    assert.equal(logs[0].args.to.valueOf(), creator);
+    assert(logs[0].args.value.eq(totalSupply));
+  });
+});

test/helpers/decodeLogs.js

+const SolidityEvent = require('web3/lib/web3/event.js');
+
+export default function decodeLogs (logs, contract, address) {
+  return logs.map(log => {
+    const event = new SolidityEvent(null, contract.events[log.topics[0]], address);
+    return event.decode(log);
+  });
+}