bitcoinjs-lib/test/integration/helloblock.js

68 lines
2.2 KiB
JavaScript

var assert = require('assert')
var bitcoin = require('../../')
var networks = bitcoin.networks
var scripts = bitcoin.scripts
var Address = bitcoin.Address
var ECKey = bitcoin.ECKey
var TransactionBuilder = bitcoin.TransactionBuilder
var helloblock = require('helloblock-js')({
network: 'testnet'
})
describe('bitcoinjs-lib (helloblock)', function() {
this.timeout(20000)
it('can spend from a 2-of-2 address', function(done) {
var privKeys = [
'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx',
'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT'
].map(ECKey.fromWIF)
var pubKeys = privKeys.map(function(x) { return x.pub })
var redeemScript = scripts.multisigOutput(2, pubKeys)
var scriptPubKey = scripts.scriptHashOutput(redeemScript.getHash())
var p2shAddress = Address.fromOutputScript(scriptPubKey, networks.testnet).toString()
// Attempt to send funds to the source address
helloblock.faucet.withdraw(p2shAddress, 2e4, function(err) {
if (err) return done(err)
// get latest unspents from the p2shAddress
helloblock.addresses.getUnspents(p2shAddress, function(err, res, unspents) {
if (err) return done(err)
// use the oldest unspent
var unspent = unspents[unspents.length - 1]
var spendAmount = Math.min(unspent.value, 1e4)
// make a random destination address
var targetAddress = ECKey.makeRandom().pub.getAddress(networks.testnet).toString()
var txb = new TransactionBuilder()
txb.addInput(unspent.txHash, unspent.index)
txb.addOutput(targetAddress, spendAmount)
privKeys.forEach(function(privKey) {
txb.sign(0, privKey, redeemScript)
})
// broadcast our transaction
helloblock.transactions.propagate(txb.build().toHex(), function(err) {
// no err means that the transaction has been successfully propagated
if (err) return done(err)
// check that the funds (spendAmount Satoshis) indeed arrived at the intended address
helloblock.addresses.get(targetAddress, function(err, res, addrInfo) {
if (err) return done(err)
assert.equal(addrInfo.balance, spendAmount)
done()
})
})
})
})
})
})