670 lines
22 KiB
TypeScript
670 lines
22 KiB
TypeScript
import * as assert from 'assert';
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import { describe, it } from 'mocha';
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import * as bitcoin from '../..';
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import { regtestUtils } from './_regtest';
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import * as bip32 from 'bip32';
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const rng = require('randombytes');
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const regtest = regtestUtils.network;
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// See bottom of file for some helper functions used to make the payment objects needed.
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describe('bitcoinjs-lib (transactions with psbt)', () => {
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it('can create a 1-to-1 Transaction', () => {
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const alice = bitcoin.ECPair.fromWIF(
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'L2uPYXe17xSTqbCjZvL2DsyXPCbXspvcu5mHLDYUgzdUbZGSKrSr',
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);
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const psbt = new bitcoin.Psbt();
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psbt.setVersion(2); // These are defaults. This line is not needed.
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psbt.setLocktime(0); // These are defaults. This line is not needed.
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psbt.addInput({
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// if hash is string, txid, if hash is Buffer, is reversed compared to txid
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hash: '7d067b4a697a09d2c3cff7d4d9506c9955e93bff41bf82d439da7d030382bc3e',
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index: 0,
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sequence: 0xffffffff, // These are defaults. This line is not needed.
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// non-segwit inputs now require passing the whole previous tx as Buffer
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nonWitnessUtxo: Buffer.from(
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'0200000001f9f34e95b9d5c8abcd20fc5bd4a825d1517be62f0f775e5f36da944d9' +
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'452e550000000006b483045022100c86e9a111afc90f64b4904bd609e9eaed80d48' +
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'ca17c162b1aca0a788ac3526f002207bb79b60d4fc6526329bf18a77135dc566020' +
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'9e761da46e1c2f1152ec013215801210211755115eabf846720f5cb18f248666fec' +
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'631e5e1e66009ce3710ceea5b1ad13ffffffff01' +
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// value in satoshis (Int64LE) = 0x015f90 = 90000
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'905f010000000000' +
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// scriptPubkey length
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'19' +
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// scriptPubkey
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'76a9148bbc95d2709c71607c60ee3f097c1217482f518d88ac' +
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// locktime
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'00000000',
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'hex',
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),
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// // If this input was segwit, instead of nonWitnessUtxo, you would add
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// // a witnessUtxo as follows. The scriptPubkey and the value only are needed.
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// witnessUtxo: {
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// script: Buffer.from(
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// '76a9148bbc95d2709c71607c60ee3f097c1217482f518d88ac',
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// 'hex',
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// ),
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// value: 90000,
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// },
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// Not featured here:
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// redeemScript. A Buffer of the redeemScript for P2SH
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// witnessScript. A Buffer of the witnessScript for P2WSH
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});
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psbt.addOutput({
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address: '1KRMKfeZcmosxALVYESdPNez1AP1mEtywp',
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value: 80000,
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});
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psbt.signInput(0, alice);
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psbt.validateSignaturesOfInput(0);
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psbt.finalizeAllInputs();
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assert.strictEqual(
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psbt.extractTransaction().toHex(),
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'02000000013ebc8203037dda39d482bf41ff3be955996c50d9d4f7cfc3d2097a694a7' +
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'b067d000000006b483045022100931b6db94aed25d5486884d83fc37160f37f3368c0' +
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'd7f48c757112abefec983802205fda64cff98c849577026eb2ce916a50ea70626a766' +
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'9f8596dd89b720a26b4d501210365db9da3f8a260078a7e8f8b708a1161468fb2323f' +
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'fda5ec16b261ec1056f455ffffffff0180380100000000001976a914ca0d36044e0dc' +
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'08a22724efa6f6a07b0ec4c79aa88ac00000000',
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);
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});
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it('can create (and broadcast via 3PBP) a typical Transaction', async () => {
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// these are { payment: Payment; keys: ECPair[] }
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const alice1 = createPayment('p2pkh');
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const alice2 = createPayment('p2pkh');
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// give Alice 2 unspent outputs
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const inputData1 = await getInputData(
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5e4,
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alice1.payment,
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false,
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'noredeem',
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);
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const inputData2 = await getInputData(
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7e4,
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alice2.payment,
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false,
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'noredeem',
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);
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{
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const {
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hash, // string of txid or Buffer of tx hash. (txid and hash are reverse order)
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index, // the output index of the txo you are spending
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nonWitnessUtxo, // the full previous transaction as a Buffer
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} = inputData1;
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assert.deepStrictEqual({ hash, index, nonWitnessUtxo }, inputData1);
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}
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// network is only needed if you pass an address to addOutput
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// using script (Buffer of scriptPubkey) instead will avoid needed network.
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const psbt = new bitcoin.Psbt({ network: regtest })
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.addInput(inputData1) // alice1 unspent
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.addInput(inputData2) // alice2 unspent
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.addOutput({
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address: 'mwCwTceJvYV27KXBc3NJZys6CjsgsoeHmf',
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value: 8e4,
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}) // the actual "spend"
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.addOutput({
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address: alice2.payment.address, // OR script, which is a Buffer.
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value: 1e4,
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}); // Alice's change
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// (in)(5e4 + 7e4) - (out)(8e4 + 1e4) = (fee)3e4 = 30000, this is the miner fee
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// Let's show a new feature with PSBT.
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// We can have multiple signers sign in parrallel and combine them.
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// (this is not necessary, but a nice feature)
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// encode to send out to the signers
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const psbtBaseText = psbt.toBase64();
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// each signer imports
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const signer1 = bitcoin.Psbt.fromBase64(psbtBaseText);
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const signer2 = bitcoin.Psbt.fromBase64(psbtBaseText);
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// Alice signs each input with the respective private keys
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// signInput and signInputAsync are better
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// (They take the input index explicitly as the first arg)
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signer1.signAllInputs(alice1.keys[0]);
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signer2.signAllInputs(alice2.keys[0]);
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// If your signer object's sign method returns a promise, use the following
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// await signer2.signAllInputsAsync(alice2.keys[0])
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// encode to send back to combiner (signer 1 and 2 are not near each other)
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const s1text = signer1.toBase64();
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const s2text = signer2.toBase64();
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const final1 = bitcoin.Psbt.fromBase64(s1text);
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const final2 = bitcoin.Psbt.fromBase64(s2text);
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// final1.combine(final2) would give the exact same result
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psbt.combine(final1, final2);
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// Finalizer wants to check all signatures are valid before finalizing.
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// If the finalizer wants to check for specific pubkeys, the second arg
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// can be passed. See the first multisig example below.
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assert.strictEqual(psbt.validateSignaturesOfInput(0), true);
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assert.strictEqual(psbt.validateSignaturesOfInput(1), true);
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// This step it new. Since we separate the signing operation and
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// the creation of the scriptSig and witness stack, we are able to
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psbt.finalizeAllInputs();
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// build and broadcast our RegTest network
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await regtestUtils.broadcast(psbt.extractTransaction().toHex());
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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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it('can create (and broadcast via 3PBP) a Transaction with an OP_RETURN output', async () => {
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const alice1 = createPayment('p2pkh');
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const inputData1 = await getInputData(
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2e5,
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alice1.payment,
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false,
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'noredeem',
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);
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const data = Buffer.from('bitcoinjs-lib', 'utf8');
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const embed = bitcoin.payments.embed({ data: [data] });
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const psbt = new bitcoin.Psbt({ network: regtest })
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.addInput(inputData1)
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.addOutput({
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script: embed.output!,
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value: 1000,
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})
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.addOutput({
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address: regtestUtils.RANDOM_ADDRESS,
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value: 1e5,
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})
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.signInput(0, alice1.keys[0]);
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assert.strictEqual(psbt.validateSignaturesOfInput(0), true);
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psbt.finalizeAllInputs();
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// build and broadcast to the RegTest network
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await regtestUtils.broadcast(psbt.extractTransaction().toHex());
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});
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it('can create (and broadcast via 3PBP) a Transaction, w/ a P2SH(P2MS(2 of 4)) (multisig) input', async () => {
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const multisig = createPayment('p2sh-p2ms(2 of 4)');
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const inputData1 = await getInputData(2e4, multisig.payment, false, 'p2sh');
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{
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const {
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hash,
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index,
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nonWitnessUtxo,
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redeemScript, // NEW: P2SH needs to give redeemScript when adding an input.
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} = inputData1;
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assert.deepStrictEqual(
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{ hash, index, nonWitnessUtxo, redeemScript },
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inputData1,
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);
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}
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const psbt = new bitcoin.Psbt({ network: regtest })
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.addInput(inputData1)
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.addOutput({
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address: regtestUtils.RANDOM_ADDRESS,
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value: 1e4,
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})
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.signInput(0, multisig.keys[0])
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.signInput(0, multisig.keys[2]);
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assert.strictEqual(psbt.validateSignaturesOfInput(0), true);
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assert.strictEqual(
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psbt.validateSignaturesOfInput(0, multisig.keys[0].publicKey),
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true,
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);
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assert.throws(() => {
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psbt.validateSignaturesOfInput(0, multisig.keys[3].publicKey);
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}, new RegExp('No signatures for this pubkey'));
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psbt.finalizeAllInputs();
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const tx = psbt.extractTransaction();
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// build and broadcast to the Bitcoin RegTest network
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await regtestUtils.broadcast(tx.toHex());
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await 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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});
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});
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it('can create (and broadcast via 3PBP) a Transaction, w/ a P2SH(P2WPKH) input', async () => {
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const p2sh = createPayment('p2sh-p2wpkh');
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const inputData = await getInputData(5e4, p2sh.payment, true, 'p2sh');
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const inputData2 = await getInputData(5e4, p2sh.payment, true, 'p2sh');
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{
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const {
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hash,
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index,
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witnessUtxo, // NEW: this is an object of the output being spent { script: Buffer; value: Satoshis; }
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redeemScript,
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} = inputData;
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assert.deepStrictEqual(
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{ hash, index, witnessUtxo, redeemScript },
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inputData,
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);
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}
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const keyPair = p2sh.keys[0];
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const outputData = {
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script: p2sh.payment.output, // sending to myself for fun
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value: 2e4,
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};
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const outputData2 = {
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script: p2sh.payment.output, // sending to myself for fun
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value: 7e4,
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};
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const tx = new bitcoin.Psbt()
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.addInputs([inputData, inputData2])
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.addOutputs([outputData, outputData2])
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.signAllInputs(keyPair)
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.finalizeAllInputs()
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.extractTransaction();
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// build and broadcast to the Bitcoin RegTest network
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await regtestUtils.broadcast(tx.toHex());
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await regtestUtils.verify({
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txId: tx.getId(),
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address: p2sh.payment.address,
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vout: 0,
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value: 2e4,
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});
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});
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it('can create (and broadcast via 3PBP) a Transaction, w/ a P2SH(P2WPKH) input with nonWitnessUtxo', async () => {
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// For learning purposes, ignore this test.
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// REPEATING ABOVE BUT WITH nonWitnessUtxo by passing false to getInputData
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const p2sh = createPayment('p2sh-p2wpkh');
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const inputData = await getInputData(5e4, p2sh.payment, false, 'p2sh');
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const inputData2 = await getInputData(5e4, p2sh.payment, false, 'p2sh');
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const keyPair = p2sh.keys[0];
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const outputData = {
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script: p2sh.payment.output,
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value: 2e4,
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};
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const outputData2 = {
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script: p2sh.payment.output,
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value: 7e4,
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};
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const tx = new bitcoin.Psbt()
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.addInputs([inputData, inputData2])
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.addOutputs([outputData, outputData2])
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.signAllInputs(keyPair)
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.finalizeAllInputs()
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.extractTransaction();
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await regtestUtils.broadcast(tx.toHex());
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await regtestUtils.verify({
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txId: tx.getId(),
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address: p2sh.payment.address,
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vout: 0,
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value: 2e4,
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});
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});
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it('can create (and broadcast via 3PBP) a Transaction, w/ a P2WPKH input', async () => {
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// the only thing that changes is you don't give a redeemscript for input data
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const p2wpkh = createPayment('p2wpkh');
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const inputData = await getInputData(5e4, p2wpkh.payment, true, 'noredeem');
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{
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const { hash, index, witnessUtxo } = inputData;
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assert.deepStrictEqual({ hash, index, witnessUtxo }, inputData);
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}
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const psbt = new bitcoin.Psbt({ network: regtest })
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.addInput(inputData)
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.addOutput({
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address: regtestUtils.RANDOM_ADDRESS,
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value: 2e4,
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})
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.signInput(0, p2wpkh.keys[0]);
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assert.strictEqual(psbt.validateSignaturesOfInput(0), true);
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psbt.finalizeAllInputs();
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const tx = psbt.extractTransaction();
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// build and broadcast to the Bitcoin RegTest network
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await regtestUtils.broadcast(tx.toHex());
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await 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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});
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});
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it('can create (and broadcast via 3PBP) a Transaction, w/ a P2WPKH input with nonWitnessUtxo', async () => {
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// For learning purposes, ignore this test.
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// REPEATING ABOVE BUT WITH nonWitnessUtxo by passing false to getInputData
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const p2wpkh = createPayment('p2wpkh');
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const inputData = await getInputData(
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5e4,
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p2wpkh.payment,
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false,
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'noredeem',
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);
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const psbt = new bitcoin.Psbt({ network: regtest })
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.addInput(inputData)
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.addOutput({
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address: regtestUtils.RANDOM_ADDRESS,
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value: 2e4,
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})
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.signInput(0, p2wpkh.keys[0]);
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psbt.finalizeAllInputs();
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const tx = psbt.extractTransaction();
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await regtestUtils.broadcast(tx.toHex());
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await 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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});
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});
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it('can create (and broadcast via 3PBP) a Transaction, w/ a P2WSH(P2PK) input', async () => {
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const p2wsh = createPayment('p2wsh-p2pk');
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const inputData = await getInputData(5e4, p2wsh.payment, true, 'p2wsh');
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{
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const {
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hash,
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index,
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witnessUtxo,
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witnessScript, // NEW: A Buffer of the witnessScript
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} = inputData;
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assert.deepStrictEqual(
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{ hash, index, witnessUtxo, witnessScript },
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inputData,
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);
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}
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const psbt = new bitcoin.Psbt({ network: regtest })
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.addInput(inputData)
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.addOutput({
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address: regtestUtils.RANDOM_ADDRESS,
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value: 2e4,
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})
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.signInput(0, p2wsh.keys[0]);
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assert.strictEqual(psbt.validateSignaturesOfInput(0), true);
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psbt.finalizeAllInputs();
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const tx = psbt.extractTransaction();
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// build and broadcast to the Bitcoin RegTest network
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await regtestUtils.broadcast(tx.toHex());
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await 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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});
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});
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it('can create (and broadcast via 3PBP) a Transaction, w/ a P2WSH(P2PK) input with nonWitnessUtxo', async () => {
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// For learning purposes, ignore this test.
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// REPEATING ABOVE BUT WITH nonWitnessUtxo by passing false to getInputData
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const p2wsh = createPayment('p2wsh-p2pk');
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const inputData = await getInputData(5e4, p2wsh.payment, false, 'p2wsh');
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const psbt = new bitcoin.Psbt({ network: regtest })
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.addInput(inputData)
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.addOutput({
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address: regtestUtils.RANDOM_ADDRESS,
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value: 2e4,
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})
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.signInput(0, p2wsh.keys[0]);
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psbt.finalizeAllInputs();
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const tx = psbt.extractTransaction();
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await regtestUtils.broadcast(tx.toHex());
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await 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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});
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});
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it('can create (and broadcast via 3PBP) a Transaction, w/ a P2SH(P2WSH(P2MS(3 of 4))) (SegWit multisig) input', async () => {
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const p2sh = createPayment('p2sh-p2wsh-p2ms(3 of 4)');
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const inputData = await getInputData(5e4, p2sh.payment, true, 'p2sh-p2wsh');
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{
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const {
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hash,
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index,
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witnessUtxo,
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redeemScript,
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witnessScript,
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} = inputData;
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assert.deepStrictEqual(
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{ hash, index, witnessUtxo, redeemScript, witnessScript },
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inputData,
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);
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}
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const psbt = new bitcoin.Psbt({ network: regtest })
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.addInput(inputData)
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.addOutput({
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address: regtestUtils.RANDOM_ADDRESS,
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value: 2e4,
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})
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.signInput(0, p2sh.keys[0])
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.signInput(0, p2sh.keys[2])
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.signInput(0, p2sh.keys[3]);
|
|
|
|
assert.strictEqual(psbt.validateSignaturesOfInput(0), true);
|
|
assert.strictEqual(
|
|
psbt.validateSignaturesOfInput(0, p2sh.keys[3].publicKey),
|
|
true,
|
|
);
|
|
assert.throws(() => {
|
|
psbt.validateSignaturesOfInput(0, p2sh.keys[1].publicKey);
|
|
}, new RegExp('No signatures for this pubkey'));
|
|
psbt.finalizeAllInputs();
|
|
|
|
const tx = psbt.extractTransaction();
|
|
|
|
// build and broadcast to the Bitcoin RegTest network
|
|
await regtestUtils.broadcast(tx.toHex());
|
|
|
|
await regtestUtils.verify({
|
|
txId: tx.getId(),
|
|
address: regtestUtils.RANDOM_ADDRESS,
|
|
vout: 0,
|
|
value: 2e4,
|
|
});
|
|
});
|
|
|
|
it('can create (and broadcast via 3PBP) a Transaction, w/ a P2SH(P2WSH(P2MS(3 of 4))) (SegWit multisig) input with nonWitnessUtxo', async () => {
|
|
// For learning purposes, ignore this test.
|
|
// REPEATING ABOVE BUT WITH nonWitnessUtxo by passing false to getInputData
|
|
const p2sh = createPayment('p2sh-p2wsh-p2ms(3 of 4)');
|
|
const inputData = await getInputData(
|
|
5e4,
|
|
p2sh.payment,
|
|
false,
|
|
'p2sh-p2wsh',
|
|
);
|
|
const psbt = new bitcoin.Psbt({ network: regtest })
|
|
.addInput(inputData)
|
|
.addOutput({
|
|
address: regtestUtils.RANDOM_ADDRESS,
|
|
value: 2e4,
|
|
})
|
|
.signInput(0, p2sh.keys[0])
|
|
.signInput(0, p2sh.keys[2])
|
|
.signInput(0, p2sh.keys[3]);
|
|
psbt.finalizeAllInputs();
|
|
const tx = psbt.extractTransaction();
|
|
await regtestUtils.broadcast(tx.toHex());
|
|
await regtestUtils.verify({
|
|
txId: tx.getId(),
|
|
address: regtestUtils.RANDOM_ADDRESS,
|
|
vout: 0,
|
|
value: 2e4,
|
|
});
|
|
});
|
|
|
|
it('can create (and broadcast via 3PBP) a Transaction, w/ a P2WPKH input using HD', async () => {
|
|
const hdRoot = bip32.fromSeed(rng(64));
|
|
const masterFingerprint = hdRoot.fingerprint;
|
|
const path = "m/84'/0'/0'/0/0";
|
|
const childNode = hdRoot.derivePath(path);
|
|
const pubkey = childNode.publicKey;
|
|
|
|
// This information should be added to your input via updateInput
|
|
// You can add multiple bip32Derivation objects for multisig, but
|
|
// each must have a unique pubkey.
|
|
//
|
|
// This is useful because as long as you store the masterFingerprint on
|
|
// the PSBT Creator's server, you can have the PSBT Creator do the heavy
|
|
// lifting with derivation from your m/84'/0'/0' xpub, (deriving only 0/0 )
|
|
// and your signer just needs to pass in an HDSigner interface (ie. bip32 library)
|
|
const updateData = {
|
|
bip32Derivation: [
|
|
{
|
|
masterFingerprint,
|
|
path,
|
|
pubkey,
|
|
},
|
|
],
|
|
};
|
|
const p2wpkh = createPayment('p2wpkh', [childNode]);
|
|
const inputData = await getInputData(5e4, p2wpkh.payment, true, 'noredeem');
|
|
{
|
|
const { hash, index, witnessUtxo } = inputData;
|
|
assert.deepStrictEqual({ hash, index, witnessUtxo }, inputData);
|
|
}
|
|
|
|
// You can add extra attributes for updateData into the addInput(s) object(s)
|
|
Object.assign(inputData, updateData);
|
|
|
|
const psbt = new bitcoin.Psbt({ network: regtest })
|
|
.addInput(inputData)
|
|
// .updateInput(0, updateData) // if you didn't merge the bip32Derivation with inputData
|
|
.addOutput({
|
|
address: regtestUtils.RANDOM_ADDRESS,
|
|
value: 2e4,
|
|
})
|
|
.signInputHD(0, hdRoot); // must sign with root!!!
|
|
|
|
assert.strictEqual(psbt.validateSignaturesOfInput(0), true);
|
|
assert.strictEqual(
|
|
psbt.validateSignaturesOfInput(0, childNode.publicKey),
|
|
true,
|
|
);
|
|
psbt.finalizeAllInputs();
|
|
|
|
const tx = psbt.extractTransaction();
|
|
|
|
// build and broadcast to the Bitcoin RegTest network
|
|
await regtestUtils.broadcast(tx.toHex());
|
|
|
|
await regtestUtils.verify({
|
|
txId: tx.getId(),
|
|
address: regtestUtils.RANDOM_ADDRESS,
|
|
vout: 0,
|
|
value: 2e4,
|
|
});
|
|
});
|
|
});
|
|
|
|
function createPayment(_type: string, myKeys?: any[], network?: any) {
|
|
network = network || regtest;
|
|
const splitType = _type.split('-').reverse();
|
|
const isMultisig = splitType[0].slice(0, 4) === 'p2ms';
|
|
const keys = myKeys || [];
|
|
let m: number | undefined;
|
|
if (isMultisig) {
|
|
const match = splitType[0].match(/^p2ms\((\d+) of (\d+)\)$/);
|
|
m = parseInt(match![1]);
|
|
let n = parseInt(match![2]);
|
|
if (keys.length > 0 && keys.length !== n) {
|
|
throw new Error('Need n keys for multisig');
|
|
}
|
|
while (!myKeys && n > 1) {
|
|
keys.push(bitcoin.ECPair.makeRandom({ network }));
|
|
n--;
|
|
}
|
|
}
|
|
if (!myKeys) keys.push(bitcoin.ECPair.makeRandom({ network }));
|
|
|
|
let payment: any;
|
|
splitType.forEach(type => {
|
|
if (type.slice(0, 4) === 'p2ms') {
|
|
payment = bitcoin.payments.p2ms({
|
|
m,
|
|
pubkeys: keys.map(key => key.publicKey).sort(),
|
|
network,
|
|
});
|
|
} else if (['p2sh', 'p2wsh'].indexOf(type) > -1) {
|
|
payment = (bitcoin.payments as any)[type]({
|
|
redeem: payment,
|
|
network,
|
|
});
|
|
} else {
|
|
payment = (bitcoin.payments as any)[type]({
|
|
pubkey: keys[0].publicKey,
|
|
network,
|
|
});
|
|
}
|
|
});
|
|
|
|
return {
|
|
payment,
|
|
keys,
|
|
};
|
|
}
|
|
|
|
function getWitnessUtxo(out: any) {
|
|
delete out.address;
|
|
out.script = Buffer.from(out.script, 'hex');
|
|
return out;
|
|
}
|
|
|
|
async function getInputData(
|
|
amount: number,
|
|
payment: any,
|
|
isSegwit: boolean,
|
|
redeemType: string,
|
|
) {
|
|
const unspent = await regtestUtils.faucetComplex(payment.output, amount);
|
|
const utx = await regtestUtils.fetch(unspent.txId);
|
|
// for non segwit inputs, you must pass the full transaction buffer
|
|
const nonWitnessUtxo = Buffer.from(utx.txHex, 'hex');
|
|
// for segwit inputs, you only need the output script and value as an object.
|
|
const witnessUtxo = getWitnessUtxo(utx.outs[unspent.vout]);
|
|
const mixin = isSegwit ? { witnessUtxo } : { nonWitnessUtxo };
|
|
const mixin2: any = {};
|
|
switch (redeemType) {
|
|
case 'p2sh':
|
|
mixin2.redeemScript = payment.redeem.output;
|
|
break;
|
|
case 'p2wsh':
|
|
mixin2.witnessScript = payment.redeem.output;
|
|
break;
|
|
case 'p2sh-p2wsh':
|
|
mixin2.witnessScript = payment.redeem.redeem.output;
|
|
mixin2.redeemScript = payment.redeem.output;
|
|
break;
|
|
}
|
|
return {
|
|
hash: unspent.txId,
|
|
index: unspent.vout,
|
|
...mixin,
|
|
...mixin2,
|
|
};
|
|
}
|