"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); const assert = require("assert"); const mocha_1 = require("mocha"); const __1 = require(".."); const fixtures = require('../ts_test/fixtures/transaction'); const __2 = require(".."); mocha_1.describe('Transaction', () => { function fromRaw(raw, noWitness) { const tx = new __2.Transaction(); tx.version = raw.version; tx.locktime = raw.locktime; raw.ins.forEach((txIn, i) => { const txHash = Buffer.from(txIn.hash, 'hex'); let scriptSig; if (txIn.data) { scriptSig = Buffer.from(txIn.data, 'hex'); } else if (txIn.script) { scriptSig = __1.script.fromASM(txIn.script); } tx.addInput(txHash, txIn.index, txIn.sequence, scriptSig); if (!noWitness && txIn.witness) { const witness = txIn.witness.map(x => { return Buffer.from(x, 'hex'); }); tx.setWitness(i, witness); } }); raw.outs.forEach(txOut => { let script; if (txOut.data) { script = Buffer.from(txOut.data, 'hex'); } else if (txOut.script) { script = __1.script.fromASM(txOut.script); } tx.addOutput(script, txOut.value); }); return tx; } mocha_1.describe('fromBuffer/fromHex', () => { function importExport(f) { const id = f.id || f.hash; const txHex = f.hex || f.txHex; mocha_1.it('imports ' + f.description + ' (' + id + ')', () => { const actual = __2.Transaction.fromHex(txHex); assert.strictEqual(actual.toHex(), txHex); }); if (f.whex) { mocha_1.it('imports ' + f.description + ' (' + id + ') as witness', () => { const actual = __2.Transaction.fromHex(f.whex); assert.strictEqual(actual.toHex(), f.whex); }); } } fixtures.valid.forEach(importExport); fixtures.hashForSignature.forEach(importExport); fixtures.hashForWitnessV0.forEach(importExport); fixtures.invalid.fromBuffer.forEach(f => { mocha_1.it('throws on ' + f.exception, () => { assert.throws(() => { __2.Transaction.fromHex(f.hex); }, new RegExp(f.exception)); }); }); mocha_1.it('.version should be interpreted as an int32le', () => { const txHex = 'ffffffff0000ffffffff'; const tx = __2.Transaction.fromHex(txHex); assert.strictEqual(-1, tx.version); assert.strictEqual(0xffffffff, tx.locktime); }); }); mocha_1.describe('toBuffer/toHex', () => { fixtures.valid.forEach(f => { mocha_1.it('exports ' + f.description + ' (' + f.id + ')', () => { const actual = fromRaw(f.raw, true); assert.strictEqual(actual.toHex(), f.hex); }); if (f.whex) { mocha_1.it('exports ' + f.description + ' (' + f.id + ') as witness', () => { const wactual = fromRaw(f.raw); assert.strictEqual(wactual.toHex(), f.whex); }); } }); mocha_1.it('accepts target Buffer and offset parameters', () => { const f = fixtures.valid[0]; const actual = fromRaw(f.raw); const byteLength = actual.byteLength(); const target = Buffer.alloc(byteLength * 2); const a = actual.toBuffer(target, 0); const b = actual.toBuffer(target, byteLength); assert.strictEqual(a.length, byteLength); assert.strictEqual(b.length, byteLength); assert.strictEqual(a.toString('hex'), f.hex); assert.strictEqual(b.toString('hex'), f.hex); assert.deepStrictEqual(a, b); assert.deepStrictEqual(a, target.slice(0, byteLength)); assert.deepStrictEqual(b, target.slice(byteLength)); }); }); mocha_1.describe('hasWitnesses', () => { fixtures.valid.forEach(f => { mocha_1.it('detects if the transaction has witnesses: ' + (f.whex ? 'true' : 'false'), () => { assert.strictEqual(__2.Transaction.fromHex(f.whex ? f.whex : f.hex).hasWitnesses(), !!f.whex); }); }); }); mocha_1.describe('weight/virtualSize', () => { mocha_1.it('computes virtual size', () => { fixtures.valid.forEach(f => { const transaction = __2.Transaction.fromHex(f.whex ? f.whex : f.hex); assert.strictEqual(transaction.virtualSize(), f.virtualSize); }); }); mocha_1.it('computes weight', () => { fixtures.valid.forEach(f => { const transaction = __2.Transaction.fromHex(f.whex ? f.whex : f.hex); assert.strictEqual(transaction.weight(), f.weight); }); }); }); mocha_1.describe('addInput', () => { let prevTxHash; mocha_1.beforeEach(() => { prevTxHash = Buffer.from('ffffffff00ffff000000000000000000000000000000000000000000101010ff', 'hex'); }); mocha_1.it('returns an index', () => { const tx = new __2.Transaction(); assert.strictEqual(tx.addInput(prevTxHash, 0), 0); assert.strictEqual(tx.addInput(prevTxHash, 0), 1); }); mocha_1.it('defaults to empty script, witness and 0xffffffff SEQUENCE number', () => { const tx = new __2.Transaction(); tx.addInput(prevTxHash, 0); assert.strictEqual(tx.ins[0].script.length, 0); assert.strictEqual(tx.ins[0].witness.length, 0); assert.strictEqual(tx.ins[0].sequence, 0xffffffff); }); fixtures.invalid.addInput.forEach(f => { mocha_1.it('throws on ' + f.exception, () => { const tx = new __2.Transaction(); const hash = Buffer.from(f.hash, 'hex'); assert.throws(() => { tx.addInput(hash, f.index); }, new RegExp(f.exception)); }); }); }); mocha_1.describe('addOutput', () => { mocha_1.it('returns an index', () => { const tx = new __2.Transaction(); assert.strictEqual(tx.addOutput(Buffer.alloc(0), 0), 0); assert.strictEqual(tx.addOutput(Buffer.alloc(0), 0), 1); }); }); mocha_1.describe('clone', () => { fixtures.valid.forEach(f => { let actual; let expected; mocha_1.beforeEach(() => { expected = __2.Transaction.fromHex(f.hex); actual = expected.clone(); }); mocha_1.it('should have value equality', () => { assert.deepStrictEqual(actual, expected); }); mocha_1.it('should not have reference equality', () => { assert.notStrictEqual(actual, expected); }); }); }); mocha_1.describe('getHash/getId', () => { function verify(f) { mocha_1.it('should return the id for ' + f.id + '(' + f.description + ')', () => { const tx = __2.Transaction.fromHex(f.whex || f.hex); assert.strictEqual(tx.getHash().toString('hex'), f.hash); assert.strictEqual(tx.getId(), f.id); }); } fixtures.valid.forEach(verify); }); mocha_1.describe('isCoinbase', () => { function verify(f) { mocha_1.it('should return ' + f.coinbase + ' for ' + f.id + '(' + f.description + ')', () => { const tx = __2.Transaction.fromHex(f.hex); assert.strictEqual(tx.isCoinbase(), f.coinbase); }); } fixtures.valid.forEach(verify); }); mocha_1.describe('hashForSignature', () => { mocha_1.it('does not use Witness serialization', () => { const randScript = Buffer.from('6a', 'hex'); const tx = new __2.Transaction(); tx.addInput(Buffer.from('0000000000000000000000000000000000000000000000000000000000000000', 'hex'), 0); tx.addOutput(randScript, 5000000000); // @ts-ignore const original = tx.__toBuffer; // @ts-ignore tx.__toBuffer = (a, b, c) => { if (c !== false) throw new Error('hashForSignature MUST pass false'); return original.call(this, a, b, c); }; assert.throws(() => { // @ts-ignore tx.__toBuffer(undefined, undefined, true); }, /hashForSignature MUST pass false/); // assert hashForSignature does not pass false assert.doesNotThrow(() => { tx.hashForSignature(0, randScript, 1); }); }); fixtures.hashForSignature.forEach(f => { mocha_1.it('should return ' + f.hash + ' for ' + (f.description ? 'case "' + f.description + '"' : f.script), () => { const tx = __2.Transaction.fromHex(f.txHex); const script = __1.script.fromASM(f.script); assert.strictEqual(tx.hashForSignature(f.inIndex, script, f.type).toString('hex'), f.hash); }); }); }); mocha_1.describe('hashForWitnessV0', () => { fixtures.hashForWitnessV0.forEach(f => { mocha_1.it('should return ' + f.hash + ' for ' + (f.description ? 'case "' + f.description + '"' : ''), () => { const tx = __2.Transaction.fromHex(f.txHex); const script = __1.script.fromASM(f.script); assert.strictEqual(tx .hashForWitnessV0(f.inIndex, script, f.value, f.type) .toString('hex'), f.hash); }); }); }); mocha_1.describe('setWitness', () => { mocha_1.it('only accepts a a witness stack (Array of Buffers)', () => { assert.throws(() => { // @ts-ignore new __2.Transaction().setWitness(0, 'foobar'); }, /Expected property "1" of type \[Buffer], got String "foobar"/); }); }); });