mine.js/lib/geth.js at mine-events · gavinuhma/mine.js

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/**

* Manages the geth connection.

const geth = require('geth')

const muted = require('./muted').muted()

const config = {

cache: 512,

bootnodes: 'enode://a24ac7c5484ef4ed0c5eb2d36620ba4e4aa13b8c84684e1b4aab0cebea2ae45cb4d375b77eab56516d34bfbd3c1a833fc51296ff084b770b94fb9028c4d25ccf@52.169.42.101:30303',

networkid: 4,

rpc: null,

rpcapi: 'db,eth,net,web3,personal'

}

function connect (mineAddress, gethDataDir, gethPasswordFile) {

return new Promise((resolve, reject) => {

config.unlock = mineAddress

config.datadir = gethDataDir

if (gethPasswordFile) {

config.password = gethPasswordFile

}

geth.start(config, {

stdout: (data) => {

if (data.toString().indexOf('Unlocking account') > -1) {

console.log('Enter password to unlock geth (input hidden):')

muted.question('', (password) => {

geth.proc.stdin.write(password + '\n')

})

}

stderr: (data) => {

if (data.toString().indexOf('Unlocked account') > -1) {

muted.close()

geth.trigger(null, geth.proc)

}

close: (code) => {

console.error('geth close, code:', code)

}

}, (err, proc) => {

if (err) return reject(err)

resolve(proc)

})

}

module.exports = {

connect

}

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