bitcoinjs-lib/test/integration/multisig.js
2015-08-18 14:44:29 +10:00

83 lines
3.1 KiB
JavaScript

/* global describe, it */
var assert = require('assert')
var bitcoin = require('../../')
var blockchain = require('./_blockchain')
describe('bitcoinjs-lib (multisig)', function () {
it('can create a 2-of-3 multisig P2SH address', function () {
var pubKeys = [
'026477115981fe981a6918a6297d9803c4dc04f328f22041bedff886bbc2962e01',
'02c96db2302d19b43d4c69368babace7854cc84eb9e061cde51cfa77ca4a22b8b9',
'03c6103b3b83e4a24a0e33a4df246ef11772f9992663db0c35759a5e2ebf68d8e9'
].map(function (hex) {
return new Buffer(hex, 'hex')
})
var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 3
var scriptPubKey = bitcoin.scripts.scriptHashOutput(bitcoin.crypto.hash160(redeemScript))
var address = bitcoin.Address.fromOutputScript(scriptPubKey)
assert.strictEqual(address, '36NUkt6FWUi3LAWBqWRdDmdTWbt91Yvfu7')
})
it('can spend from a 2-of-4 multsig P2SH address', function (done) {
this.timeout(20000)
var keyPairs = [
'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx',
'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT',
'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgx3cTMqe',
'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgx9rcrL7'
].map(function (wif) { return bitcoin.ECPair.fromWIF(wif, bitcoin.networks.testnet) })
var pubKeys = keyPairs.map(function (x) { return x.getPublicKeyBuffer() })
var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 4
var scriptPubKey = bitcoin.scripts.scriptHashOutput(bitcoin.crypto.hash160(redeemScript))
var address = bitcoin.Address.fromOutputScript(scriptPubKey, bitcoin.networks.testnet)
// attempt to send funds to the source address
blockchain.t.faucet(address, 2e4, function (err) {
if (err) return done(err)
// get latest unspents from the address
blockchain.t.addresses.unspents(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.ECPair.makeRandom({
network: bitcoin.networks.testnet
}).getAddress()
var txb = new bitcoin.TransactionBuilder(bitcoin.networks.testnet)
txb.addInput(unspent.txId, unspent.vout)
txb.addOutput(targetAddress, 1e4)
// sign with 1st and 3rd key
txb.sign(0, keyPairs[0], redeemScript)
txb.sign(0, keyPairs[2], redeemScript)
// broadcast our transaction
blockchain.t.transactions.propagate(txb.build().toHex(), function (err) {
if (err) return done(err)
// check that the funds (1e4 Satoshis) indeed arrived at the intended address
blockchain.t.addresses.summary(targetAddress, function (err, result) {
if (err) return done(err)
assert.strictEqual(result.balance, 1e4)
done()
})
})
})
})
})
})