bitcoinjs-lib/test/integration/multisig.js
2014-11-25 14:24:37 +11:00

76 lines
2.8 KiB
JavaScript

var assert = require('assert')
var bitcoin = require('../../')
var helloblock = require('helloblock-js')({
network: 'testnet'
})
describe('bitcoinjs-lib (multisig)', function() {
it('can create a 2-of-3 multisig P2SH address', function() {
var pubKeys = [
'026477115981fe981a6918a6297d9803c4dc04f328f22041bedff886bbc2962e01',
'02c96db2302d19b43d4c69368babace7854cc84eb9e061cde51cfa77ca4a22b8b9',
'03c6103b3b83e4a24a0e33a4df246ef11772f9992663db0c35759a5e2ebf68d8e9'
].map(bitcoin.ECPubKey.fromHex)
var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 3
var scriptPubKey = bitcoin.scripts.scriptHashOutput(redeemScript.getHash())
var address = bitcoin.Address.fromOutputScript(scriptPubKey).toString()
assert.equal(address, '36NUkt6FWUi3LAWBqWRdDmdTWbt91Yvfu7')
})
it('can spend from a 2-of-2 multsig P2SH address', function(done) {
this.timeout(20000)
var privKeys = [
'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx',
'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT'
].map(bitcoin.ECKey.fromWIF)
var pubKeys = privKeys.map(function(x) { return x.pub })
var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 2
var scriptPubKey = bitcoin.scripts.scriptHashOutput(redeemScript.getHash())
var address = bitcoin.Address.fromOutputScript(scriptPubKey, bitcoin.networks.testnet).toString()
// Attempt to send funds to the source address
helloblock.faucet.withdraw(address, 2e4, function(err) {
if (err) return done(err)
// get latest unspents from the address
helloblock.addresses.getUnspents(address, function(err, _, unspents) {
if (err) return done(err)
// filter small unspents
unspents = unspents.filter(function(unspent) { return unspent.value > 1e4 })
// use the oldest unspent
var unspent = unspents.pop()
// make a random destination address
var targetAddress = bitcoin.ECKey.makeRandom().pub.getAddress(bitcoin.networks.testnet).toString()
var txb = new bitcoin.TransactionBuilder()
txb.addInput(unspent.txHash, unspent.index)
txb.addOutput(targetAddress, 1e4)
// sign w/ each private key
privKeys.forEach(function(privKey) {
txb.sign(0, privKey, redeemScript)
})
// broadcast our transaction
helloblock.transactions.propagate(txb.build().toHex(), function(err) {
if (err) return done(err)
// check that the funds (1e4 Satoshis) indeed arrived at the intended address
helloblock.addresses.get(targetAddress, function(err, res, addrInfo) {
if (err) return done(err)
assert.equal(addrInfo.balance, 1e4)
done()
})
})
})
})
})
})