plutoegg

const token = 'ZRX'
const amount = 15 // Number of tokens to lock
const forTime = 48 // Time after which unlocking does not require permission

const response = await efx.contract.lock(token, amount, forTime)

plutoegg

const token = 'ZRX'
efx.contract.approve(token)

plutoegg

const EFX = require('efx-api-node')
const web3 = new EFX.Web3(/*your web3 provider*/)
const efx = await EFX( web3 )

const exchangeConf = await efx.getConfig()

plutoegg

pragma solidity ^0.4.18;

/*
    Copyright 2016, Jordi Baylina

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

plutoegg

pragma solidity ^0.4.18;

/*
    Copyright 2016, Jordi Baylina

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

plutoegg

  function validProof(bytes proof, bytes32 root, bytes32 hash) constant returns (bool) {
    bytes32 el;

    for (uint256 i = 32; i <= proof.length; i += 32) {
        assembly {
            el := mload(add(proof, i))
        }

        if (hash < el) {
            hash = sha3(hash, el);

plutoegg

pragma solidity ^0.4.11;

/**
 * Math operations with safety checks
 */
library SafeMath {
  function mul(uint a, uint b) internal returns (uint) {
    uint c = a * b;
    assert(a == 0 || c / a == b);
    return c;

plutoegg

0x14d06788090769F669427B6AEA1c0240d2321f34

plutoegg

pragma solidity ^0.4.9;

/**
 * Math operations with safety checks
 */
library SafeMath {
  function mul(uint a, uint b) internal returns (uint) {
    uint c = a * b;
    assert(a == 0 || c / a == b);
    return c;

plutoegg

pragma solidity ^0.4.8;


import './ERC20Basic.sol';
import '../SafeMath.sol';


/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances.