bitcoinjs-lib/test/psbt.js
2019-07-09 11:51:28 +09:00

490 lines
16 KiB
JavaScript

const { describe, it } = require('mocha')
const assert = require('assert')
const ECPair = require('../src/ecpair')
const Psbt = require('..').Psbt
const NETWORKS = require('../src/networks')
const fixtures = require('./fixtures/psbt')
const upperCaseFirstLetter = str => str.replace(/^./, s => s.toUpperCase())
const b = hex => Buffer.from(hex, 'hex');
const initBuffers = (attr, data) => {
if ([
'nonWitnessUtxo',
'redeemScript',
'witnessScript'
].includes(attr)) {
data = b(data)
} else if (attr === 'bip32Derivation') {
data.masterFingerprint = b(data.masterFingerprint)
data.pubkey = b(data.pubkey)
} else if (attr === 'witnessUtxo') {
data.script = b(data.script)
} else if (attr === 'hash') {
if (
typeof data === 'string' &&
data.match(/^[0-9a-f]*$/i) &&
data.length % 2 === 0
) {
data = b(data)
}
}
return data
};
describe(`Psbt`, () => {
describe('BIP174 Test Vectors', () => {
fixtures.bip174.invalid.forEach(f => {
it(`Invalid: ${f.description}`, () => {
assert.throws(() => {
Psbt.fromBase64(f.psbt)
}, {message: f.errorMessage})
})
})
fixtures.bip174.valid.forEach(f => {
it(`Valid: ${f.description}`, () => {
assert.doesNotThrow(() => {
Psbt.fromBase64(f.psbt)
})
})
})
fixtures.bip174.failSignChecks.forEach(f => {
const keyPair = ECPair.makeRandom()
it(`Fails Signer checks: ${f.description}`, () => {
const psbt = Psbt.fromBase64(f.psbt)
assert.throws(() => {
psbt.signInput(f.inputToCheck, keyPair)
}, {message: f.errorMessage})
})
})
fixtures.bip174.creator.forEach(f => {
it('Creates expected PSBT', () => {
const psbt = new Psbt()
for (const input of f.inputs) {
psbt.addInput(input)
}
for (const output of f.outputs) {
const script = Buffer.from(output.script, 'hex');
psbt.addOutput({...output, script})
}
assert.strictEqual(psbt.toBase64(), f.result)
})
})
fixtures.bip174.updater.forEach(f => {
it('Updates PSBT to the expected result', () => {
const psbt = Psbt.fromBase64(f.psbt)
for (const inputOrOutput of ['input', 'output']) {
const fixtureData = f[`${inputOrOutput}Data`]
if (fixtureData) {
for (const [i, data] of fixtureData.entries()) {
const attrs = Object.keys(data)
for (const attr of attrs) {
const upperAttr = upperCaseFirstLetter(attr)
let adder = psbt[`add${upperAttr}To${upperCaseFirstLetter(inputOrOutput)}`]
if (adder !== undefined) {
adder = adder.bind(psbt)
const arg = data[attr]
if (Array.isArray(arg)) {
arg.forEach(a => adder(i, initBuffers(attr, a)))
} else {
adder(i, initBuffers(attr, arg))
if (attr === 'nonWitnessUtxo') {
const first = psbt.inputs[i].nonWitnessUtxo
psbt.__CACHE.__NON_WITNESS_UTXO_BUF_CACHE[i] = undefined
const second = psbt.inputs[i].nonWitnessUtxo
psbt.inputs[i].nonWitnessUtxo = Buffer.from([1,2,3])
psbt.__CACHE.__NON_WITNESS_UTXO_BUF_CACHE[i] = undefined
const third = psbt.inputs[i].nonWitnessUtxo
assert.ok(first.equals(second))
assert.ok(first.equals(third))
}
}
}
}
}
}
}
assert.strictEqual(psbt.toBase64(), f.result)
})
})
})
fixtures.bip174.signer.forEach(f => {
it('Signs PSBT to the expected result', () => {
const psbt = Psbt.fromBase64(f.psbt)
f.keys.forEach(({inputToSign, WIF}) => {
const keyPair = ECPair.fromWIF(WIF, NETWORKS.testnet);
psbt.signInput(inputToSign, keyPair);
})
assert.strictEqual(psbt.toBase64(), f.result)
})
})
fixtures.bip174.combiner.forEach(f => {
it('Combines two PSBTs to the expected result', () => {
const psbts = f.psbts.map(psbt => Psbt.fromBase64(psbt))
psbts[0].combine(psbts[1])
// Produces a different Base64 string due to implemetation specific key-value ordering.
// That means this test will fail:
// assert.strictEqual(psbts[0].toBase64(), f.result)
// However, if we compare the actual PSBT properties we can see they are logically identical:
assert.deepStrictEqual(psbts[0], Psbt.fromBase64(f.result))
})
})
fixtures.bip174.finalizer.forEach(f => {
it('Finalizes inputs and gives the expected PSBT', () => {
const psbt = Psbt.fromBase64(f.psbt)
assert.throws(() => {
psbt.getFeeRate()
}, new RegExp('PSBT must be finalized to calculate fee rate'))
const pubkey = Buffer.from(
'029583bf39ae0a609747ad199addd634fa6108559d6c5cd39b4c2183f1ab96e07f',
'hex',
)
assert.strictEqual(psbt.validateSignatures(0), true)
assert.strictEqual(psbt.validateSignatures(0, pubkey), true)
assert.throws(() => {
pubkey[32] = 42
psbt.validateSignatures(0, pubkey)
}, new RegExp('No signatures for this pubkey'))
assert.throws(() => {
psbt.validateSignatures(42)
}, new RegExp('No signatures to validate'))
psbt.finalizeAllInputs()
assert.strictEqual(psbt.toBase64(), f.result)
})
})
fixtures.bip174.extractor.forEach(f => {
it('Extracts the expected transaction from a PSBT', () => {
const psbt1 = Psbt.fromBase64(f.psbt)
const transaction1 = psbt1.extractTransaction(true).toHex()
const psbt2 = Psbt.fromBase64(f.psbt)
const transaction2 = psbt2.extractTransaction().toHex()
assert.strictEqual(transaction1, transaction2)
assert.strictEqual(transaction1, f.transaction)
const psbt3 = Psbt.fromBase64(f.psbt)
delete psbt3.inputs[0].finalScriptSig
delete psbt3.inputs[0].finalScriptWitness
assert.throws(() => {
psbt3.extractTransaction()
}, new RegExp('Not finalized'))
const psbt4 = Psbt.fromBase64(f.psbt)
psbt4.setMaximumFeeRate(1)
assert.throws(() => {
psbt4.extractTransaction()
}, new RegExp('Warning: You are paying around [\\d.]+ in fees'))
const psbt5 = Psbt.fromBase64(f.psbt)
psbt5.extractTransaction(true)
const fr1 = psbt5.getFeeRate()
const fr2 = psbt5.getFeeRate()
assert.strictEqual(fr1, fr2)
})
})
describe('signInputAsync', () => {
fixtures.signInput.checks.forEach(f => {
it(f.description, async () => {
const psbtThatShouldsign = Psbt.fromBase64(f.shouldSign.psbt)
assert.doesNotReject(async () => {
await psbtThatShouldsign.signInputAsync(
f.shouldSign.inputToCheck,
ECPair.fromWIF(f.shouldSign.WIF),
)
})
const psbtThatShouldThrow = Psbt.fromBase64(f.shouldThrow.psbt)
assert.rejects(async () => {
await psbtThatShouldThrow.signInputAsync(
f.shouldThrow.inputToCheck,
ECPair.fromWIF(f.shouldThrow.WIF),
)
}, {message: f.shouldThrow.errorMessage})
assert.rejects(async () => {
await psbtThatShouldThrow.signInputAsync(
f.shouldThrow.inputToCheck,
)
}, new RegExp('Need Signer to sign input'))
})
})
})
describe('signInput', () => {
fixtures.signInput.checks.forEach(f => {
it(f.description, () => {
const psbtThatShouldsign = Psbt.fromBase64(f.shouldSign.psbt)
assert.doesNotThrow(() => {
psbtThatShouldsign.signInput(
f.shouldSign.inputToCheck,
ECPair.fromWIF(f.shouldSign.WIF),
)
})
const psbtThatShouldThrow = Psbt.fromBase64(f.shouldThrow.psbt)
assert.throws(() => {
psbtThatShouldThrow.signInput(
f.shouldThrow.inputToCheck,
ECPair.fromWIF(f.shouldThrow.WIF),
)
}, {message: f.shouldThrow.errorMessage})
assert.throws(() => {
psbtThatShouldThrow.signInput(
f.shouldThrow.inputToCheck,
)
}, new RegExp('Need Signer to sign input'))
})
})
})
describe('signAsync', () => {
fixtures.signInput.checks.forEach(f => {
if (f.description === 'checks the input exists') return
it(f.description, async () => {
const psbtThatShouldsign = Psbt.fromBase64(f.shouldSign.psbt)
assert.doesNotReject(async () => {
await psbtThatShouldsign.signAsync(
ECPair.fromWIF(f.shouldSign.WIF),
)
})
const psbtThatShouldThrow = Psbt.fromBase64(f.shouldThrow.psbt)
assert.rejects(async () => {
await psbtThatShouldThrow.signAsync(
ECPair.fromWIF(f.shouldThrow.WIF),
)
}, new RegExp('No inputs were signed'))
assert.rejects(async () => {
await psbtThatShouldThrow.signAsync()
}, new RegExp('Need Signer to sign input'))
})
})
})
describe('sign', () => {
fixtures.signInput.checks.forEach(f => {
if (f.description === 'checks the input exists') return
it(f.description, () => {
const psbtThatShouldsign = Psbt.fromBase64(f.shouldSign.psbt)
assert.doesNotThrow(() => {
psbtThatShouldsign.sign(
ECPair.fromWIF(f.shouldSign.WIF),
)
})
const psbtThatShouldThrow = Psbt.fromBase64(f.shouldThrow.psbt)
assert.throws(() => {
psbtThatShouldThrow.sign(
ECPair.fromWIF(f.shouldThrow.WIF),
)
}, new RegExp('No inputs were signed'))
assert.throws(() => {
psbtThatShouldThrow.sign()
}, new RegExp('Need Signer to sign input'))
})
})
})
describe('fromTransaction', () => {
fixtures.fromTransaction.forEach(f => {
it('Creates the expected PSBT from a transaction buffer', () => {
const psbt = Psbt.fromTransaction(Buffer.from(f.transaction, 'hex'))
assert.strictEqual(psbt.toBase64(), f.result)
})
})
})
describe('addInput', () => {
fixtures.addInput.checks.forEach(f => {
for (const attr of Object.keys(f.inputData)) {
f.inputData[attr] = initBuffers(attr, f.inputData[attr])
}
it(f.description, () => {
const psbt = new Psbt()
if (f.exception) {
assert.throws(() => {
psbt.addInput(f.inputData)
}, new RegExp(f.exception))
} else {
assert.doesNotThrow(() => {
psbt.addInput(f.inputData)
if (f.equals) {
assert.strictEqual(psbt.toBase64(), f.equals)
} else {
console.log(psbt.toBase64())
}
})
assert.throws(() => {
psbt.addInput(f.inputData)
}, new RegExp('Duplicate input detected.'))
}
})
})
})
describe('addOutput', () => {
fixtures.addOutput.checks.forEach(f => {
for (const attr of Object.keys(f.outputData)) {
f.outputData[attr] = initBuffers(attr, f.outputData[attr])
}
it(f.description, () => {
const psbt = new Psbt()
if (f.exception) {
assert.throws(() => {
psbt.addOutput(f.outputData)
}, new RegExp(f.exception))
} else {
assert.doesNotThrow(() => {
psbt.addOutput(f.outputData)
console.log(psbt.toBase64())
})
}
})
})
})
describe('setVersion', () => {
it('Sets the version value of the unsigned transaction', () => {
const psbt = new Psbt()
assert.strictEqual(psbt.extractTransaction().version, 2)
psbt.setVersion(1)
assert.strictEqual(psbt.extractTransaction().version, 1)
})
})
describe('setLocktime', () => {
it('Sets the nLockTime value of the unsigned transaction', () => {
const psbt = new Psbt()
assert.strictEqual(psbt.extractTransaction().locktime, 0)
psbt.setLocktime(1)
assert.strictEqual(psbt.extractTransaction().locktime, 1)
})
})
describe('setSequence', () => {
it('Sets the sequence number for a given input', () => {
const psbt = new Psbt()
psbt.addInput({
hash: '0000000000000000000000000000000000000000000000000000000000000000',
index: 0
});
assert.strictEqual(psbt.inputCount, 1)
assert.strictEqual(psbt.__CACHE.__TX.ins[0].sequence, 0xffffffff)
psbt.setSequence(0, 0)
assert.strictEqual(psbt.__CACHE.__TX.ins[0].sequence, 0)
})
it('throws if input index is too high', () => {
const psbt = new Psbt()
psbt.addInput({
hash: '0000000000000000000000000000000000000000000000000000000000000000',
index: 0
});
assert.throws(() => {
psbt.setSequence(1, 0)
}, {message: 'Input index too high'})
})
})
describe('setMaximumFeeRate', () => {
it('Sets the maximumFeeRate value', () => {
const psbt = new Psbt()
assert.strictEqual(psbt.opts.maximumFeeRate, 5000)
psbt.setMaximumFeeRate(6000)
assert.strictEqual(psbt.opts.maximumFeeRate, 6000)
})
})
describe('create 1-to-1 transaction', () => {
const alice = ECPair.fromWIF('L2uPYXe17xSTqbCjZvL2DsyXPCbXspvcu5mHLDYUgzdUbZGSKrSr')
const psbt = new Psbt()
psbt.addInput({
hash: '7d067b4a697a09d2c3cff7d4d9506c9955e93bff41bf82d439da7d030382bc3e',
index: 0,
nonWitnessUtxo: Buffer.from(
'0200000001f9f34e95b9d5c8abcd20fc5bd4a825d1517be62f0f775e5f36da944d9' +
'452e550000000006b483045022100c86e9a111afc90f64b4904bd609e9eaed80d48' +
'ca17c162b1aca0a788ac3526f002207bb79b60d4fc6526329bf18a77135dc566020' +
'9e761da46e1c2f1152ec013215801210211755115eabf846720f5cb18f248666fec' +
'631e5e1e66009ce3710ceea5b1ad13ffffffff01905f0100000000001976a9148bb' +
'c95d2709c71607c60ee3f097c1217482f518d88ac00000000',
'hex',
),
sighashType: 1,
})
psbt.addOutput({
address: '1KRMKfeZcmosxALVYESdPNez1AP1mEtywp',
value: 80000
})
psbt.signInput(0, alice)
assert.throws(() => {
psbt.setVersion(3)
}, new RegExp('Can not modify transaction, signatures exist.'))
psbt.validateSignatures(0)
psbt.finalizeAllInputs()
assert.strictEqual(
psbt.extractTransaction().toHex(),
'02000000013ebc8203037dda39d482bf41ff3be955996c50d9d4f7cfc3d2097a694a7' +
'b067d000000006b483045022100931b6db94aed25d5486884d83fc37160f37f3368c0' +
'd7f48c757112abefec983802205fda64cff98c849577026eb2ce916a50ea70626a766' +
'9f8596dd89b720a26b4d501210365db9da3f8a260078a7e8f8b708a1161468fb2323f' +
'fda5ec16b261ec1056f455ffffffff0180380100000000001976a914ca0d36044e0dc' +
'08a22724efa6f6a07b0ec4c79aa88ac00000000',
)
})
describe('Method return types', () => {
it('fromTransaction returns Psbt type (not base class)', () => {
const psbt = Psbt.fromTransaction(Buffer.from([2,0,0,0,0,0,0,0,0,0]));
assert.strictEqual(psbt instanceof Psbt, true);
assert.ok(psbt.__CACHE.__TX);
})
it('fromBuffer returns Psbt type (not base class)', () => {
const psbt = Psbt.fromBuffer(Buffer.from(
'70736274ff01000a01000000000000000000000000', 'hex' //cHNidP8BAAoBAAAAAAAAAAAAAAAA
));
assert.strictEqual(psbt instanceof Psbt, true);
assert.ok(psbt.__CACHE.__TX);
})
it('fromBase64 returns Psbt type (not base class)', () => {
const psbt = Psbt.fromBase64('cHNidP8BAAoBAAAAAAAAAAAAAAAA');
assert.strictEqual(psbt instanceof Psbt, true);
assert.ok(psbt.__CACHE.__TX);
})
it('fromHex returns Psbt type (not base class)', () => {
const psbt = Psbt.fromHex('70736274ff01000a01000000000000000000000000');
assert.strictEqual(psbt instanceof Psbt, true);
assert.ok(psbt.__CACHE.__TX);
})
})
})