496 lines
16 KiB
JavaScript
496 lines
16 KiB
JavaScript
const { describe, it } = require('mocha')
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const assert = require('assert')
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const ECPair = require('../src/ecpair')
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const Psbt = require('..').Psbt
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const NETWORKS = require('../src/networks')
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const initBuffers = object => JSON.parse(JSON.stringify(object), (key, value) => {
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const regex = new RegExp(/^Buffer.from\(['"](.*)['"], ['"](.*)['"]\)$/)
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const result = regex.exec(value)
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if (!result) return value
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const data = result[1]
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const encoding = result[2]
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return Buffer.from(data, encoding)
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})
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const fixtures = initBuffers(require('./fixtures/psbt'))
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const upperCaseFirstLetter = str => str.replace(/^./, s => s.toUpperCase())
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const b = hex => Buffer.from(hex, 'hex');
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describe(`Psbt`, () => {
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describe('BIP174 Test Vectors', () => {
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fixtures.bip174.invalid.forEach(f => {
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it(`Invalid: ${f.description}`, () => {
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assert.throws(() => {
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Psbt.fromBase64(f.psbt)
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}, {message: f.errorMessage})
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})
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})
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fixtures.bip174.valid.forEach(f => {
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it(`Valid: ${f.description}`, () => {
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assert.doesNotThrow(() => {
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Psbt.fromBase64(f.psbt)
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})
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})
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})
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fixtures.bip174.failSignChecks.forEach(f => {
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const keyPair = ECPair.makeRandom()
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it(`Fails Signer checks: ${f.description}`, () => {
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const psbt = Psbt.fromBase64(f.psbt)
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assert.throws(() => {
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psbt.signInput(f.inputToCheck, keyPair)
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}, {message: f.errorMessage})
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})
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})
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fixtures.bip174.creator.forEach(f => {
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it('Creates expected PSBT', () => {
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const psbt = new Psbt()
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for (const input of f.inputs) {
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psbt.addInput(input)
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}
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for (const output of f.outputs) {
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const script = Buffer.from(output.script, 'hex');
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psbt.addOutput({...output, script})
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}
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assert.strictEqual(psbt.toBase64(), f.result)
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})
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})
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fixtures.bip174.updater.forEach(f => {
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it('Updates PSBT to the expected result', () => {
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const psbt = Psbt.fromBase64(f.psbt)
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for (const inputOrOutput of ['input', 'output']) {
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const fixtureData = f[`${inputOrOutput}Data`]
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if (fixtureData) {
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for (const [i, data] of fixtureData.entries()) {
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const attrs = Object.keys(data)
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for (const attr of attrs) {
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const upperAttr = upperCaseFirstLetter(attr)
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let adder = psbt[`add${upperAttr}To${upperCaseFirstLetter(inputOrOutput)}`]
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if (adder !== undefined) {
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adder = adder.bind(psbt)
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const arg = data[attr]
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if (Array.isArray(arg)) {
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arg.forEach(a => adder(i, a))
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} else {
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adder(i, arg)
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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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assert.strictEqual(psbt.toBase64(), f.result)
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})
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})
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})
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fixtures.bip174.signer.forEach(f => {
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it('Signs PSBT to the expected result', () => {
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const psbt = Psbt.fromBase64(f.psbt)
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f.keys.forEach(({inputToSign, WIF}) => {
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const keyPair = ECPair.fromWIF(WIF, NETWORKS.testnet);
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psbt.signInput(inputToSign, keyPair);
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})
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assert.strictEqual(psbt.toBase64(), f.result)
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})
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})
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fixtures.bip174.combiner.forEach(f => {
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it('Combines two PSBTs to the expected result', () => {
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const psbts = f.psbts.map(psbt => Psbt.fromBase64(psbt))
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psbts[0].combine(psbts[1])
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// Produces a different Base64 string due to implemetation specific key-value ordering.
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// That means this test will fail:
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// assert.strictEqual(psbts[0].toBase64(), f.result)
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// However, if we compare the actual PSBT properties we can see they are logically identical:
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assert.deepStrictEqual(psbts[0], Psbt.fromBase64(f.result))
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})
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})
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fixtures.bip174.finalizer.forEach(f => {
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it('Finalizes inputs and gives the expected PSBT', () => {
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const psbt = Psbt.fromBase64(f.psbt)
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assert.throws(() => {
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psbt.getFeeRate()
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}, new RegExp('PSBT must be finalized to calculate fee rate'))
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psbt.finalizeAllInputs()
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assert.strictEqual(psbt.toBase64(), f.result)
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})
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})
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fixtures.bip174.extractor.forEach(f => {
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it('Extracts the expected transaction from a PSBT', () => {
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const psbt1 = Psbt.fromBase64(f.psbt)
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const transaction1 = psbt1.extractTransaction(true).toHex()
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const psbt2 = Psbt.fromBase64(f.psbt)
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const transaction2 = psbt2.extractTransaction().toHex()
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assert.strictEqual(transaction1, transaction2)
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assert.strictEqual(transaction1, f.transaction)
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const psbt3 = Psbt.fromBase64(f.psbt)
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delete psbt3.inputs[0].finalScriptSig
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delete psbt3.inputs[0].finalScriptWitness
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assert.throws(() => {
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psbt3.extractTransaction()
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}, new RegExp('Not finalized'))
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const psbt4 = Psbt.fromBase64(f.psbt)
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psbt4.setMaximumFeeRate(1)
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assert.throws(() => {
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psbt4.extractTransaction()
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}, new RegExp('Warning: You are paying around [\\d.]+ in fees'))
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const psbt5 = Psbt.fromBase64(f.psbt)
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psbt5.extractTransaction(true)
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const fr1 = psbt5.getFeeRate()
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const fr2 = psbt5.getFeeRate()
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assert.strictEqual(fr1, fr2)
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})
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})
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describe('signInputAsync', () => {
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fixtures.signInput.checks.forEach(f => {
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it(f.description, async () => {
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const psbtThatShouldsign = Psbt.fromBase64(f.shouldSign.psbt)
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assert.doesNotReject(async () => {
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await psbtThatShouldsign.signInputAsync(
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f.shouldSign.inputToCheck,
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ECPair.fromWIF(f.shouldSign.WIF),
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)
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})
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const psbtThatShouldThrow = Psbt.fromBase64(f.shouldThrow.psbt)
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assert.rejects(async () => {
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await psbtThatShouldThrow.signInputAsync(
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f.shouldThrow.inputToCheck,
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ECPair.fromWIF(f.shouldThrow.WIF),
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)
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}, {message: f.shouldThrow.errorMessage})
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assert.rejects(async () => {
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await psbtThatShouldThrow.signInputAsync(
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f.shouldThrow.inputToCheck,
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)
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}, new RegExp('Need Signer to sign input'))
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})
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})
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})
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describe('signInput', () => {
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fixtures.signInput.checks.forEach(f => {
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it(f.description, () => {
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const psbtThatShouldsign = Psbt.fromBase64(f.shouldSign.psbt)
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assert.doesNotThrow(() => {
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psbtThatShouldsign.signInput(
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f.shouldSign.inputToCheck,
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ECPair.fromWIF(f.shouldSign.WIF),
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)
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})
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const psbtThatShouldThrow = Psbt.fromBase64(f.shouldThrow.psbt)
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assert.throws(() => {
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psbtThatShouldThrow.signInput(
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f.shouldThrow.inputToCheck,
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ECPair.fromWIF(f.shouldThrow.WIF),
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)
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}, {message: f.shouldThrow.errorMessage})
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assert.throws(() => {
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psbtThatShouldThrow.signInput(
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f.shouldThrow.inputToCheck,
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)
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}, new RegExp('Need Signer to sign input'))
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})
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})
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})
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describe('signAsync', () => {
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fixtures.signInput.checks.forEach(f => {
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if (f.description === 'checks the input exists') return
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it(f.description, async () => {
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const psbtThatShouldsign = Psbt.fromBase64(f.shouldSign.psbt)
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assert.doesNotReject(async () => {
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await psbtThatShouldsign.signAsync(
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ECPair.fromWIF(f.shouldSign.WIF),
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)
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})
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const psbtThatShouldThrow = Psbt.fromBase64(f.shouldThrow.psbt)
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assert.rejects(async () => {
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await psbtThatShouldThrow.signAsync(
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ECPair.fromWIF(f.shouldThrow.WIF),
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)
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}, new RegExp('No inputs were signed'))
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assert.rejects(async () => {
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await psbtThatShouldThrow.signAsync()
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}, new RegExp('Need Signer to sign input'))
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})
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})
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})
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describe('sign', () => {
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fixtures.signInput.checks.forEach(f => {
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if (f.description === 'checks the input exists') return
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it(f.description, () => {
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const psbtThatShouldsign = Psbt.fromBase64(f.shouldSign.psbt)
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assert.doesNotThrow(() => {
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psbtThatShouldsign.sign(
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ECPair.fromWIF(f.shouldSign.WIF),
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)
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})
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const psbtThatShouldThrow = Psbt.fromBase64(f.shouldThrow.psbt)
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assert.throws(() => {
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psbtThatShouldThrow.sign(
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ECPair.fromWIF(f.shouldThrow.WIF),
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)
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}, new RegExp('No inputs were signed'))
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assert.throws(() => {
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psbtThatShouldThrow.sign()
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}, new RegExp('Need Signer to sign input'))
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})
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})
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})
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describe('fromTransaction', () => {
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fixtures.fromTransaction.forEach(f => {
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it('Creates the expected PSBT from a transaction buffer', () => {
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const psbt = Psbt.fromTransaction(Buffer.from(f.transaction, 'hex'))
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assert.strictEqual(psbt.toBase64(), f.result)
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})
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})
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})
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describe('addInput', () => {
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fixtures.addInput.checks.forEach(f => {
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for (const attr of Object.keys(f.inputData)) {
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f.inputData[attr] = f.inputData[attr]
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}
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it(f.description, () => {
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const psbt = new Psbt()
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if (f.exception) {
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assert.throws(() => {
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psbt.addInput(f.inputData)
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}, new RegExp(f.exception))
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} else {
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assert.doesNotThrow(() => {
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psbt.addInput(f.inputData)
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if (f.equals) {
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assert.strictEqual(psbt.toBase64(), f.equals)
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} else {
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console.log(psbt.toBase64())
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}
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})
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assert.throws(() => {
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psbt.addInput(f.inputData)
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}, new RegExp('Duplicate input detected.'))
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}
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})
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})
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})
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describe('addOutput', () => {
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fixtures.addOutput.checks.forEach(f => {
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for (const attr of Object.keys(f.outputData)) {
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f.outputData[attr] = f.outputData[attr]
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}
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it(f.description, () => {
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const psbt = new Psbt()
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if (f.exception) {
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assert.throws(() => {
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psbt.addOutput(f.outputData)
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}, new RegExp(f.exception))
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} else {
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assert.doesNotThrow(() => {
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psbt.addOutput(f.outputData)
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console.log(psbt.toBase64())
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})
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}
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})
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})
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})
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describe('setVersion', () => {
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it('Sets the version value of the unsigned transaction', () => {
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const psbt = new Psbt()
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assert.strictEqual(psbt.extractTransaction().version, 2)
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psbt.setVersion(1)
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assert.strictEqual(psbt.extractTransaction().version, 1)
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})
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})
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describe('setLocktime', () => {
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it('Sets the nLockTime value of the unsigned transaction', () => {
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const psbt = new Psbt()
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assert.strictEqual(psbt.extractTransaction().locktime, 0)
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psbt.setLocktime(1)
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assert.strictEqual(psbt.extractTransaction().locktime, 1)
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})
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})
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describe('setSequence', () => {
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it('Sets the sequence number for a given input', () => {
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const psbt = new Psbt()
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psbt.addInput({
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hash: '0000000000000000000000000000000000000000000000000000000000000000',
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index: 0
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});
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assert.strictEqual(psbt.inputCount, 1)
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assert.strictEqual(psbt.__CACHE.__TX.ins[0].sequence, 0xffffffff)
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psbt.setSequence(0, 0)
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assert.strictEqual(psbt.__CACHE.__TX.ins[0].sequence, 0)
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})
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it('throws if input index is too high', () => {
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const psbt = new Psbt()
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psbt.addInput({
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hash: '0000000000000000000000000000000000000000000000000000000000000000',
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index: 0
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});
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assert.throws(() => {
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psbt.setSequence(1, 0)
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}, {message: 'Input index too high'})
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})
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})
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describe('setMaximumFeeRate', () => {
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it('Sets the maximumFeeRate value', () => {
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const psbt = new Psbt()
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assert.strictEqual(psbt.opts.maximumFeeRate, 5000)
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psbt.setMaximumFeeRate(6000)
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assert.strictEqual(psbt.opts.maximumFeeRate, 6000)
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})
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})
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describe('validateSignatures', () => {
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const f = fixtures.validateSignatures
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it('Correctly validates a signature', () => {
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const psbt = Psbt.fromBase64(f.psbt)
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assert.strictEqual(psbt.validateSignatures(f.index), true)
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assert.throws(() => {
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psbt.validateSignatures(f.nonExistantIndex)
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}, new RegExp('No signatures to validate'))
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})
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it('Correctly validates a signature against a pubkey', () => {
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const psbt = Psbt.fromBase64(f.psbt)
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assert.strictEqual(psbt.validateSignatures(f.index, f.pubkey), true)
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assert.throws(() => {
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psbt.validateSignatures(f.index, f.incorrectPubkey)
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}, new RegExp('No signatures for this pubkey'))
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})
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})
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describe('create 1-to-1 transaction', () => {
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const alice = ECPair.fromWIF('L2uPYXe17xSTqbCjZvL2DsyXPCbXspvcu5mHLDYUgzdUbZGSKrSr')
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const psbt = new Psbt()
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psbt.addInput({
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hash: '7d067b4a697a09d2c3cff7d4d9506c9955e93bff41bf82d439da7d030382bc3e',
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index: 0,
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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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'631e5e1e66009ce3710ceea5b1ad13ffffffff01905f0100000000001976a9148bb' +
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'c95d2709c71607c60ee3f097c1217482f518d88ac00000000',
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'hex',
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),
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sighashType: 1,
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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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assert.throws(() => {
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psbt.setVersion(3)
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}, new RegExp('Can not modify transaction, signatures exist.'))
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psbt.validateSignatures(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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describe('Method return types', () => {
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it('fromTransaction returns Psbt type (not base class)', () => {
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const psbt = Psbt.fromTransaction(Buffer.from([2,0,0,0,0,0,0,0,0,0]));
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assert.strictEqual(psbt instanceof Psbt, true);
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assert.ok(psbt.__CACHE.__TX);
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})
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it('fromBuffer returns Psbt type (not base class)', () => {
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const psbt = Psbt.fromBuffer(Buffer.from(
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'70736274ff01000a01000000000000000000000000', 'hex' //cHNidP8BAAoBAAAAAAAAAAAAAAAA
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));
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assert.strictEqual(psbt instanceof Psbt, true);
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assert.ok(psbt.__CACHE.__TX);
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})
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it('fromBase64 returns Psbt type (not base class)', () => {
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const psbt = Psbt.fromBase64('cHNidP8BAAoBAAAAAAAAAAAAAAAA');
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assert.strictEqual(psbt instanceof Psbt, true);
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assert.ok(psbt.__CACHE.__TX);
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})
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it('fromHex returns Psbt type (not base class)', () => {
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const psbt = Psbt.fromHex('70736274ff01000a01000000000000000000000000');
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assert.strictEqual(psbt instanceof Psbt, true);
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assert.ok(psbt.__CACHE.__TX);
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})
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})
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describe('Cache', () => {
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it('non-witness UTXOs are cached', () => {
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const f = fixtures.cache.nonWitnessUtxo;
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const psbt = Psbt.fromBase64(f.psbt)
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const index = f.inputIndex;
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// Cache is empty
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assert.strictEqual(psbt.__CACHE.__NON_WITNESS_UTXO_BUF_CACHE[index], undefined)
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// Cache is populated
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psbt.addNonWitnessUtxoToInput(index, f.nonWitnessUtxo)
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const value = psbt.inputs[index].nonWitnessUtxo
|
|
assert.ok(psbt.__CACHE.__NON_WITNESS_UTXO_BUF_CACHE[index].equals(value))
|
|
assert.ok(psbt.__CACHE.__NON_WITNESS_UTXO_BUF_CACHE[index].equals(f.nonWitnessUtxo))
|
|
|
|
// Cache is rebuilt from internal transaction object when cleared
|
|
psbt.inputs[index].nonWitnessUtxo = Buffer.from([1,2,3])
|
|
psbt.__CACHE.__NON_WITNESS_UTXO_BUF_CACHE[index] = undefined
|
|
assert.ok(psbt.inputs[index].nonWitnessUtxo.equals(value))
|
|
})
|
|
})
|
|
})
|
|
|