87 lines
3.1 KiB
JavaScript
87 lines
3.1 KiB
JavaScript
/* global describe, it */
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var assert = require('assert')
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var bitcoin = require('../../')
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var blockchain = new (require('cb-insight'))('https://test-insight.bitpay.com')
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var faucetWithdraw = require('./utils').faucetWithdraw
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var pollUnspent = require('./utils').pollUnspent
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var pollSummary = require('./utils').pollSummary
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describe('bitcoinjs-lib (multisig)', function () {
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it('can create a 2-of-3 multisig P2SH address', function () {
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var pubKeys = [
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'026477115981fe981a6918a6297d9803c4dc04f328f22041bedff886bbc2962e01',
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'02c96db2302d19b43d4c69368babace7854cc84eb9e061cde51cfa77ca4a22b8b9',
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'03c6103b3b83e4a24a0e33a4df246ef11772f9992663db0c35759a5e2ebf68d8e9'
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].map(function (hex) {
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return new Buffer(hex, 'hex')
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})
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var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 3
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var scriptPubKey = bitcoin.scripts.scriptHashOutput(redeemScript.getHash())
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var address = bitcoin.Address.fromOutputScript(scriptPubKey).toString()
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assert.strictEqual(address, '36NUkt6FWUi3LAWBqWRdDmdTWbt91Yvfu7')
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})
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it('can spend from a 2-of-4 multsig P2SH address', function (done) {
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this.timeout(20000)
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var keyPairs = [
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'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx',
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'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT',
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'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgx3cTMqe',
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'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgx9rcrL7'
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].map(bitcoin.ECPair.fromWIF)
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var pubKeys = keyPairs.map(function (x) { return x.getPublicKeyBuffer() })
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var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 4
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var scriptPubKey = bitcoin.scripts.scriptHashOutput(redeemScript.getHash())
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var address = bitcoin.Address.fromOutputScript(scriptPubKey, bitcoin.networks.testnet).toString()
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// Attempt to send funds to the source address
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faucetWithdraw(address, 2e4, function (err) {
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if (err) return done(err)
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// get latest unspents from the address
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pollUnspent(blockchain, address, function (err, unspents) {
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if (err) return done(err)
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// filter small unspents
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unspents = unspents.filter(function (unspent) {
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return unspent.value > 1e4
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})
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// use the oldest unspent
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var unspent = unspents.pop()
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// make a random destination address
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var targetAddress = bitcoin.ECPair.makeRandom({
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network: bitcoin.networks.testnet
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}).getAddress().toString()
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var txb = new bitcoin.TransactionBuilder()
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txb.addInput(unspent.txId, unspent.vout)
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txb.addOutput(targetAddress, 1e4)
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// sign with 1st and 3rd key
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txb.sign(0, keyPairs[0], redeemScript)
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txb.sign(0, keyPairs[2], redeemScript)
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// broadcast our transaction
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blockchain.transactions.propagate(txb.build().toHex(), function (err) {
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if (err) return done(err)
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// check that the funds (1e4 Satoshis) indeed arrived at the intended address
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pollSummary(blockchain, targetAddress, function (err, result) {
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if (err) return done(err)
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assert.strictEqual(result.balance, 1e4)
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done()
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})
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})
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})
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})
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})
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})
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