Package Exports

ethersim

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (ethersim) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

What is EtherSim

EtherSim is a Limited Ethereum RPC simulator for testing and development purposes. EtherSim is used by the Embark Framework

Installation

$ npm install -g ethersim

Usage - as a RPC Server

$ ethersim

Usage - as a Lib

Setup

var EtherSim = require('ethersim');
var sim = new EtherSim.init();

var Web3 = require('web3');
var web3 = new Web3();

web3.setProvider(sim.provider);

Adding accounts

sim.createAccounts(10, function() {})
web3.eth.accounts //=> [..10..accounts..]

Set Balance

sim.setBalance(web3.eth.accounts[0], 123450000, function() {})
web3.eth.getBalance(web3.eth.accounts[0], function(err, balance) {console.log(balance.toNumber())}) //=> 123450000

// send ether from one account to another
web3.eth.sendTransaction({value: 1000, from: web3.eth.accounts[0], to: web3.eth.accounts[1], gasLimit: 10000},function() {console.log("transaction sent")})

// mine transaction
sim.mine()

Time Travel

web3.eth.getBlock('latest') // => current time

sim.jump("5 hours")
sim.mine();

web3.eth.getBlock('latest') // => will be 5 hours ahead

Start Over

sim.reset()