247 lines
12 KiB
JavaScript
247 lines
12 KiB
JavaScript
/* global describe, it */
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let assert = require('assert')
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let bitcoin = require('../../')
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let regtestUtils = require('./_regtest')
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let regtest = regtestUtils.network
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// TODO: remove
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let baddress = bitcoin.address
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let bcrypto = bitcoin.crypto
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function getAddress (node, network) {
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network = network || bitcoin.networks.bitcoin
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return baddress.toBase58Check(bcrypto.hash160(node.publicKey), network.pubKeyHash)
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}
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function rng () {
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return Buffer.from('YT8dAtK4d16A3P1z+TpwB2jJ4aFH3g9M1EioIBkLEV4=', 'base64')
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}
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describe('bitcoinjs-lib (transactions)', function () {
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it('can create a 1-to-1 Transaction', function () {
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var alice = bitcoin.ECPair.fromWIF('L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy')
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var txb = new bitcoin.TransactionBuilder()
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txb.setVersion(1)
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txb.addInput('61d520ccb74288c96bc1a2b20ea1c0d5a704776dd0164a396efec3ea7040349d', 0) // Alice's previous transaction output, has 15000 satoshis
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txb.addOutput('1cMh228HTCiwS8ZsaakH8A8wze1JR5ZsP', 12000)
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// (in)15000 - (out)12000 = (fee)3000, this is the miner fee
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txb.sign(0, alice)
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// prepare for broadcast to the Bitcoin network, see "can broadcast a Transaction" below
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assert.strictEqual(txb.build().toHex(), '01000000019d344070eac3fe6e394a16d06d7704a7d5c0a10eb2a2c16bc98842b7cc20d561000000006b48304502210088828c0bdfcdca68d8ae0caeb6ec62cd3fd5f9b2191848edae33feb533df35d302202e0beadd35e17e7f83a733f5277028a9b453d525553e3f5d2d7a7aa8010a81d60121029f50f51d63b345039a290c94bffd3180c99ed659ff6ea6b1242bca47eb93b59fffffffff01e02e0000000000001976a91406afd46bcdfd22ef94ac122aa11f241244a37ecc88ac00000000')
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})
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it('can create a 2-to-2 Transaction', function () {
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var alice = bitcoin.ECPair.fromWIF('L1Knwj9W3qK3qMKdTvmg3VfzUs3ij2LETTFhxza9LfD5dngnoLG1')
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var bob = bitcoin.ECPair.fromWIF('KwcN2pT3wnRAurhy7qMczzbkpY5nXMW2ubh696UBc1bcwctTx26z')
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var txb = new bitcoin.TransactionBuilder()
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txb.setVersion(1)
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txb.addInput('b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c', 6) // Alice's previous transaction output, has 200000 satoshis
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txb.addInput('7d865e959b2466918c9863afca942d0fb89d7c9ac0c99bafc3749504ded97730', 0) // Bob's previous transaction output, has 300000 satoshis
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txb.addOutput('1CUNEBjYrCn2y1SdiUMohaKUi4wpP326Lb', 180000)
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txb.addOutput('1JtK9CQw1syfWj1WtFMWomrYdV3W2tWBF9', 170000)
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// (in)(200000 + 300000) - (out)(180000 + 170000) = (fee)150000, this is the miner fee
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txb.sign(1, bob) // Bob signs his input, which was the second input (1th)
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txb.sign(0, alice) // Alice signs her input, which was the first input (0th)
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// prepare for broadcast to the Bitcoin network, see "can broadcast a Transaction" below
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assert.strictEqual(txb.build().toHex(), '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')
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})
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it('can create (and broadcast via 3PBP) a typical Transaction', function (done) {
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this.timeout(30000)
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var alice1 = bitcoin.ECPair.makeRandom({ network: regtest })
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var alice2 = bitcoin.ECPair.makeRandom({ network: regtest })
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var aliceChange = bitcoin.ECPair.makeRandom({ network: regtest, rng: rng })
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// give Alice 2 unspent outputs
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regtestUtils.faucet(getAddress(alice1, regtest), 5e4, function (err, unspent0) {
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if (err) return done(err)
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regtestUtils.faucet(getAddress(alice2, regtest), 7e4, function (err, unspent1) {
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if (err) return done(err)
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var txb = new bitcoin.TransactionBuilder(regtest)
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txb.addInput(unspent0.txId, unspent0.vout) // alice1 unspent
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txb.addInput(unspent1.txId, unspent1.vout) // alice2 unspent
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txb.addOutput('mwCwTceJvYV27KXBc3NJZys6CjsgsoeHmf', 8e4) // the actual "spend"
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txb.addOutput(getAddress(aliceChange, regtest), 1e4) // Alice's change
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// (in)(4e4 + 2e4) - (out)(1e4 + 3e4) = (fee)2e4 = 20000, this is the miner fee
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// Alice signs each input with the respective private keys
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txb.sign(0, alice1)
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txb.sign(1, alice2)
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// build and broadcast our RegTest network
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regtestUtils.broadcast(txb.build().toHex(), done)
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// to build and broadcast to the actual Bitcoin network, see https://github.com/bitcoinjs/bitcoinjs-lib/issues/839
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})
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})
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})
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it('can create (and broadcast via 3PBP) a Transaction with an OP_RETURN output', function (done) {
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this.timeout(30000)
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var keyPair = bitcoin.ECPair.makeRandom({ network: regtest })
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regtestUtils.faucet(getAddress(keyPair, regtest), 2e5, function (err, unspent) {
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if (err) return done(err)
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var txb = new bitcoin.TransactionBuilder(regtest)
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var data = Buffer.from('bitcoinjs-lib', 'utf8')
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var dataScript = bitcoin.script.nullData.output.encode([data])
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txb.addInput(unspent.txId, unspent.vout)
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txb.addOutput(dataScript, 1000)
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txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e5)
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txb.sign(0, keyPair)
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// build and broadcast to the RegTest network
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regtestUtils.broadcast(txb.build().toHex(), done)
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})
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})
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it('can create (and broadcast via 3PBP) a Transaction with a 2-of-4 P2SH(multisig) input', function (done) {
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this.timeout(30000)
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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(function (wif) { return bitcoin.ECPair.fromWIF(wif, regtest) })
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var pubKeys = keyPairs.map(function (x) { return x.publicKey })
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var redeemScript = bitcoin.script.multisig.output.encode(2, pubKeys)
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var scriptPubKey = bitcoin.script.scriptHash.output.encode(bitcoin.crypto.hash160(redeemScript))
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var address = bitcoin.address.fromOutputScript(scriptPubKey, regtest)
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regtestUtils.faucet(address, 2e4, function (err, unspent) {
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if (err) return done(err)
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var txb = new bitcoin.TransactionBuilder(regtest)
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txb.addInput(unspent.txId, unspent.vout)
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txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e4)
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txb.sign(0, keyPairs[0], redeemScript)
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txb.sign(0, keyPairs[2], redeemScript)
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var tx = txb.build()
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// build and broadcast to the Bitcoin RegTest network
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regtestUtils.broadcast(tx.toHex(), function (err) {
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if (err) return done(err)
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regtestUtils.verify({
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txId: tx.getId(),
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address: regtestUtils.RANDOM_ADDRESS,
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vout: 0,
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value: 1e4
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}, done)
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})
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})
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})
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it('can create (and broadcast via 3PBP) a Transaction with a SegWit P2SH(P2WPKH) input', function (done) {
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this.timeout(30000)
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var keyPair = bitcoin.ECPair.fromWIF('cMahea7zqjxrtgAbB7LSGbcQUr1uX1ojuat9jZodMN87JcbXMTcA', regtest)
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var pubKeyHash = bitcoin.crypto.hash160(keyPair.publicKey)
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var redeemScript = bitcoin.script.witnessPubKeyHash.output.encode(pubKeyHash)
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var redeemScriptHash = bitcoin.crypto.hash160(redeemScript)
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var scriptPubKey = bitcoin.script.scriptHash.output.encode(redeemScriptHash)
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var address = bitcoin.address.fromOutputScript(scriptPubKey, regtest)
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regtestUtils.faucet(address, 5e4, function (err, unspent) {
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if (err) return done(err)
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var txb = new bitcoin.TransactionBuilder(regtest)
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txb.addInput(unspent.txId, unspent.vout)
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txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4)
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txb.sign(0, keyPair, redeemScript, null, unspent.value)
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var tx = txb.build()
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// build and broadcast to the Bitcoin RegTest network
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regtestUtils.broadcast(tx.toHex(), function (err) {
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if (err) return done(err)
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regtestUtils.verify({
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txId: tx.getId(),
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address: regtestUtils.RANDOM_ADDRESS,
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vout: 0,
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value: 2e4
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}, done)
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})
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})
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})
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it('can create (and broadcast via 3PBP) a Transaction with a SegWit 3-of-4 P2SH(P2WSH(multisig)) input', function (done) {
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this.timeout(50000)
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var keyPairs = [
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'cMahea7zqjxrtgAbB7LSGbcQUr1uX1ojuat9jZodMN87JcbXMTcA',
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'cMahea7zqjxrtgAbB7LSGbcQUr1uX1ojuat9jZodMN87K7XCyj5v',
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'cMahea7zqjxrtgAbB7LSGbcQUr1uX1ojuat9jZodMN87KcLPVfXz',
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'cMahea7zqjxrtgAbB7LSGbcQUr1uX1ojuat9jZodMN87L7FgDCKE'
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].map(function (wif) { return bitcoin.ECPair.fromWIF(wif, regtest) })
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var pubKeys = keyPairs.map(function (x) { return x.publicKey })
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var witnessScript = bitcoin.script.multisig.output.encode(3, pubKeys)
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var redeemScript = bitcoin.script.witnessScriptHash.output.encode(bitcoin.crypto.sha256(witnessScript))
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var scriptPubKey = bitcoin.script.scriptHash.output.encode(bitcoin.crypto.hash160(redeemScript))
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var address = bitcoin.address.fromOutputScript(scriptPubKey, regtest)
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regtestUtils.faucet(address, 6e4, function (err, unspent) {
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if (err) return done(err)
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var txb = new bitcoin.TransactionBuilder(regtest)
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txb.addInput(unspent.txId, unspent.vout)
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txb.addOutput(regtestUtils.RANDOM_ADDRESS, 3e4)
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txb.sign(0, keyPairs[0], redeemScript, null, unspent.value, witnessScript)
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txb.sign(0, keyPairs[2], redeemScript, null, unspent.value, witnessScript)
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txb.sign(0, keyPairs[3], redeemScript, null, unspent.value, witnessScript)
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var tx = txb.build()
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// build and broadcast to the Bitcoin RegTest network
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regtestUtils.broadcast(tx.toHex(), function (err) {
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if (err) return done(err)
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regtestUtils.verify({
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txId: tx.getId(),
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address: regtestUtils.RANDOM_ADDRESS,
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vout: 0,
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value: 3e4
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}, done)
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})
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})
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})
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it('can verify Transaction signatures', function () {
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var txHex = '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'
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var keyPairs = [
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'032b4c06c06c3ec0b7fa29519dfa5aae193ee2cc35ca127f29f14ec605d62fb63d',
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'0216c92abe433106491bdeb4a261226f20f5a4ac86220cc6e37655aac6bf3c1f2a',
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'039e05da8b8ea4f9868ecebb25998c7701542986233f4401799551fbecf316b18f'
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].map(function (q) { return bitcoin.ECPair.fromPublicKey(Buffer.from(q, 'hex')) })
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var tx = bitcoin.Transaction.fromHex(txHex)
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tx.ins.forEach(function (input, i) {
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var keyPair = keyPairs[i]
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var prevOutScript = bitcoin.address.toOutputScript(getAddress(keyPair))
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var scriptSig = bitcoin.script.pubKeyHash.input.decode(input.script)
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var ss = bitcoin.script.signature.decode(scriptSig.signature)
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var hash = tx.hashForSignature(i, prevOutScript, ss.hashType)
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assert.strictEqual(scriptSig.pubKey.toString('hex'), keyPair.publicKey.toString('hex'))
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assert.strictEqual(keyPair.verify(hash, ss.signature), true)
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})
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})
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})
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