Perseverance

const ethEcies = require('eth-ecies');

function encrypt(publicKey, userData) {
    let userPublicKey = new Buffer(publicKey, 'hex');
    let bufferUserData = new Buffer(userData);

    let encryptedUserData = ethEcies.encrypt(userPublicKey, bufferUserData);

    return encryptedUserData.toString('base64');
}

Perseverance

<script src="https://unpkg.com/ipfs/dist/index.js"></script>

const node = new Ipfs()

node.on('ready', () => {
	console.log('IPFS Ready');
  const file = 'File contents';
  let fileBuffer = new buffer.Buffer(file);

  node.files.add(fileBuffer, (err, hash) => {

Perseverance

<script src="https://unpkg.com/ipfs/dist/index.js"></script>

const node = new Ipfs()

node.on('ready', () => {
	console.log("IPFS Ready");
});

Perseverance

pragma solidity 0.4.15;

contract SharedStorage {
    address public contractImplementation;
}

contract Forwardable {
    /**
    * @dev Performs a delegatecall and returns whatever the delegatecall returned (entire context execution will return!)
    * @param _dst Destination address to perform the delegatecall

Perseverance

pragma solidity ^0.4.20;

contract KeyValueStorage {
	mapping(bytes32=>uint256) public uints;
	mapping(bytes32=>bytes32) public bytes32s;
	mapping(bytes32=>bool) public bools;
	// And any other type you like

	modifier onlyWhitelisted() {
		_;