Add in example and tests

.gitignore

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+node_modules/
+build/

README.md

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 # Chainlinked
+
+Implementation of [How to make a Chainlinked contract](https://github.com/smartcontractkit/chainlink/wiki/How-to-make-a-Chainlinked-contract).
+
+## Requirements
+
+- NPM
+- Truffle
+
+## Installation
+
+```bash
+$ npm install
+```
+
+## Test
+
+```bash
+$ truffle test
+```
+
+## Deploy
+
+Local development
+
+```bash
+$ truffle migrate --network development
+```
+
+Ropsten (requires unlocked & synced Ropsten node)
+
+```bash
+$ truffle migrate -f 4 --network ropsten --compile-all
+```

contracts/Migrations.sol

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+pragma solidity ^0.4.17;
+
+contract Migrations {
+  address public owner;
+  uint public last_completed_migration;
+
+  modifier restricted() {
+    if (msg.sender == owner) _;
+  }
+
+  function Migrations() 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);
+  }
+}

contracts/MyContract.sol

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+pragma solidity ^0.4.23;
+
+import "chainlink/solidity/contracts/Chainlinked.sol";
+import "openzeppelin-solidity/contracts/ownership/Ownable.sol";
+
+contract MyContract is Chainlinked, Ownable {
+  bytes32 internal requestId;
+  bytes32 internal jobId;
+  bytes32 public currentPrice;
+
+  event RequestFulfilled(
+    bytes32 indexed requestId,
+    bytes32 indexed price
+  );
+
+  function MyContract(address _link, address _oracle, bytes32 _jobId) public {
+    setLinkToken(_link);
+    setOracle(_oracle);
+    jobId = _jobId;
+  }
+
+  function requestEthereumPrice(string _currency) public onlyOwner {
+    ChainlinkLib.Run memory run = newRun(jobId, this, "fulfill(bytes32,bytes32)");
+    run.add("url", "https://min-api.cryptocompare.com/data/price?fsym=ETH&tsyms=USD,EUR,JPY");
+    string[] memory path = new string[](1);
+    path[0] = _currency;
+    run.addStringArray("path", path);
+    requestId = chainlinkRequest(run, LINK(1));
+  }
+
+  function cancelRequest(uint256 _internalId)
+    public
+    onlyOwner
+  {
+    oracle.cancel(_internalId);
+  }
+
+  function fulfill(bytes32 _requestId, bytes32 _price)
+    public
+    onlyOracle
+    checkRequestId(_requestId)
+  {
+    emit RequestFulfilled(_requestId, _price);
+    currentPrice = _price;
+  }
+
+  modifier checkRequestId(bytes32 _requestId) {
+    require(requestId == _requestId);
+    _;
+  }
+}

migrations/1_initial_migration.js

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+var Migrations = artifacts.require("./Migrations.sol");
+
+module.exports = function(deployer) {
+  if (network == "test" || network == "development") {
+    deployer.deploy(Migrations);
+  }
+};

migrations/2_link_token_contract.js

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+var LinkToken = artifacts.require("linktoken/contracts/LinkToken.sol");
+
+module.exports = function(deployer, network) {
+  if (network == "test" || network == "development") {
+    deployer.deploy(LinkToken);
+  }
+};
+

migrations/3_oracle_contract.js

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+var Oracle = artifacts.require("chainlink/solidity/contracts/Oracle.sol");
+var LinkToken = artifacts.require("linktoken/contracts/LinkToken.sol");
+
+module.exports = function(deployer, network) {
+  if (network == "test" || network == "development") {
+    deployer.deploy(Oracle, LinkToken.address);
+  }
+};

migrations/4_mycontract_migration.js

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+var MyContract = artifacts.require("MyContract.sol");
+var Oracle = artifacts.require("Oracle.sol");
+var LinkToken = artifacts.require("LinkToken.sol");
+
+module.exports = function(deployer, network) {
+  if (network == "ropsten") {
+    deployer.deploy(MyContract, "0x20fE562d797A42Dcb3399062AE9546cd06f63280", "0x5be84B6381d45579Ed04A887B8473F76699E0389", "0x3236363037363337303734333466333562623538613964623333656531383033");
+  } else {
+    deployer.deploy(MyContract, LinkToken.address, Oracle.address, "0x3463376237666662363662333434666261613634393935616638316533353561");
+  }
+};