#!/usr/bin/env node require('es6-promise').polyfill(); var web3 = require("../index.js"); web3.setProvider(new web3.providers.HttpRpcProvider('http://localhost:8080')); web3.eth.coinbase.then(function(result){ console.log(result); return web3.eth.balanceAt(result); }).then(function(balance){ console.log(web3.toDecimal(balance)); }).catch(function(err){ console.log(err); });