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"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"/);
});
});
});