782 lines
20 KiB
JavaScript
782 lines
20 KiB
JavaScript
/* eslint-env mocha */
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/* eslint prefer-arrow-callback: "off" */
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'use strict';
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const assert = require('assert');
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const util = require('../lib/utils/util');
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const encoding = require('../lib/utils/encoding');
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const random = require('../lib/crypto/random');
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const consensus = require('../lib/protocol/consensus');
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const TX = require('../lib/primitives/tx');
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const Coin = require('../lib/primitives/coin');
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const Output = require('../lib/primitives/output');
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const Outpoint = require('../lib/primitives/outpoint');
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const Script = require('../lib/script/script');
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const Witness = require('../lib/script/witness');
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const Input = require('../lib/primitives/input');
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const CoinView = require('../lib/coins/coinview');
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const KeyRing = require('../lib/primitives/keyring');
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const common = require('./util/common');
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const opcodes = Script.opcodes;
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const validTests = require('./data/tx-valid.json');
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const invalidTests = require('./data/tx-invalid.json');
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const sighashTests = require('./data/sighash-tests.json');
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const tx1 = common.parseTX('data/tx1.hex');
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const tx2 = common.parseTX('data/tx2.hex');
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const tx3 = common.parseTX('data/tx3.hex');
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const tx4 = common.parseTX('data/tx4.hex');
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const tx5 = common.parseTX('data/tx5.hex');
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const tx6 = common.parseTX('data/tx6.hex');
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const tx7 = common.parseTX('data/tx7.hex');
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const MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;
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const MAX_SAFE_ADDITION = 0xfffffffffffff;
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function clearCache(tx, noCache) {
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if (!noCache) {
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assert.equal(tx.hash('hex'), tx.clone().hash('hex'));
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return;
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}
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tx.refresh();
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}
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function parseTXTest(data) {
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const [coins, hex, names] = data;
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let flags = 0;
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for (const name of (names || '').trim().split(/,\s*/)) {
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const flag = `VERIFY_${name}`;
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assert(Script.flags[flag] != null, 'Unknown flag.');
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flags |= Script.flags[flag];
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}
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const view = new CoinView();
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for (const [txid, index, str, amount] of coins) {
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const hash = util.revHex(txid);
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const script = Script.fromString(str);
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const value = parseInt(amount || '0', 10);
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if (index === -1)
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continue;
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const coin = new Coin({
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version: 1,
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height: -1,
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coinbase: false,
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hash: hash,
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index: index,
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script: script,
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value: value
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});
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view.addCoin(coin);
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}
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const raw = Buffer.from(hex, 'hex');
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const tx = TX.fromRaw(raw);
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const coin = view.getOutputFor(tx.inputs[0]);
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return {
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tx: tx,
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flags: flags,
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view: view,
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comments: coin
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? util.inspectify(coin.script, false)
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: 'coinbase',
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data: data
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};
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}
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function parseSighashTest(data) {
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const [txHex, scriptHex, index, type, hash] = data;
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const tx = TX.fromRaw(txHex, 'hex');
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const script = Script.fromRaw(scriptHex, 'hex');
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const expected = util.revHex(hash);
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let hex = type & 3;
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if (type & 0x80)
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hex |= 0x80;
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hex = hex.toString(16);
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if (hex.length % 2 !== 0)
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hex = '0' + hex;
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return {
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tx: tx,
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script: script,
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index: index,
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type: type,
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hash: hash,
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expected: expected,
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hex: hex
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};
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}
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function createInput(value, view) {
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const hash = random.randomBytes(32).toString('hex');
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const input = {
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prevout: {
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hash: hash,
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index: 0
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}
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};
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const output = new Output();
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output.value = value;
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if (!view)
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view = new CoinView();
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view.addOutput(new Outpoint(hash, 0), output);
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return [input, view];
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};
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function sigopContext(scriptSig, witness, scriptPubkey) {
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const fund = new TX();
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{
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fund.version = 1;
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const input = new Input();
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fund.inputs.push(input);
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const output = new Output();
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output.value = 1;
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output.script = scriptPubkey;
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fund.outputs.push(output);
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fund.refresh();
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}
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const spend = new TX();
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{
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spend.version = 1;
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const input = new Input();
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input.prevout.hash = fund.hash('hex');
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input.prevout.index = 0;
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input.script = scriptSig;
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input.witness = witness;
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spend.inputs.push(input);
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const output = new Output();
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output.value = 1;
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spend.outputs.push(output);
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spend.refresh();
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}
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const view = new CoinView();
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view.addTX(fund, 0);
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return {
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fund: fund,
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spend: spend,
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view: view
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};
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}
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describe('TX', function() {
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for (const noCache of [false, true]) {
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const suffix = noCache ? 'without cache' : 'with cache';
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it(`should verify non-minimal output ${suffix}`, () => {
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const {tx, view} = tx1;
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clearCache(tx, noCache);
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assert(tx.verify(view, Script.flags.VERIFY_P2SH));
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});
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it(`should verify tx.version == 0 ${suffix}`, () => {
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const {tx, view} = tx2;
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clearCache(tx, noCache);
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assert(tx.verify(view, Script.flags.VERIFY_P2SH));
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});
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it(`should verify sighash_single bug w/ findanddelete ${suffix}`, () => {
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const {tx, view} = tx3;
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clearCache(tx, noCache);
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assert(tx.verify(view, Script.flags.VERIFY_P2SH));
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});
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it(`should verify high S value with only DERSIG enabled ${suffix}`, () => {
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const {tx, view} = tx4;
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const coin = view.getOutputFor(tx.inputs[0]);
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const flags = Script.flags.VERIFY_P2SH | Script.flags.VERIFY_DERSIG;
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clearCache(tx, noCache);
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assert(tx.verifyInput(0, coin, flags));
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});
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it(`should parse witness tx properly ${suffix}`, () => {
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const {tx} = tx5;
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clearCache(tx, noCache);
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assert.equal(tx.inputs.length, 5);
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assert.equal(tx.outputs.length, 1980);
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assert(tx.hasWitness());
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assert.notEqual(tx.hash('hex'), tx.witnessHash('hex'));
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assert.equal(tx.witnessHash('hex'),
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'088c919cd8408005f255c411f786928385688a9e8fdb2db4c9bc3578ce8c94cf');
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assert.equal(tx.getSize(), 62138);
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assert.equal(tx.getVirtualSize(), 61813);
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assert.equal(tx.getWeight(), 247250);
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const raw1 = tx.toRaw();
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clearCache(tx, true);
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const raw2 = tx.toRaw();
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assert.deepEqual(raw1, raw2);
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const tx2 = TX.fromRaw(raw2);
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clearCache(tx2, noCache);
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assert.equal(tx.hash('hex'), tx2.hash('hex'));
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assert.equal(tx.witnessHash('hex'), tx2.witnessHash('hex'));
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});
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it(`should verify the coolest tx ever sent ${suffix}`, () => {
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const {tx, view} = tx6;
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clearCache(tx, noCache);
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assert(tx.verify(view, Script.flags.VERIFY_NONE));
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});
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it(`should verify a historical transaction ${suffix}`, () => {
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const {tx, view} = tx7;
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clearCache(tx, noCache);
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assert(tx.verify(view));
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});
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for (const tests of [validTests, invalidTests]) {
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let comment = '';
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for (const json of tests) {
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if (json.length === 1) {
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comment += ' ' + json[0];
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continue;
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}
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const data = parseTXTest(json);
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const {tx, view, flags} = data;
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const comments = comment.trim() || data.comments;
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comment = '';
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if (tests === validTests) {
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if (comments.indexOf('Coinbase') === 0) {
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it(`should handle valid tx test ${suffix}: ${comments}`, () => {
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clearCache(tx, noCache);
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assert.ok(tx.isSane());
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});
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continue;
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}
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it(`should handle valid tx test ${suffix}: ${comments}`, () => {
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clearCache(tx, noCache);
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assert.ok(tx.verify(view, flags));
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});
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} else {
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if (comments === 'Duplicate inputs') {
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it(`should handle invalid tx test ${suffix}: ${comments}`, () => {
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clearCache(tx, noCache);
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assert.ok(tx.verify(view, flags));
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assert.ok(!tx.isSane());
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});
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continue;
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}
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if (comments === 'Negative output') {
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it(`should handle invalid tx test ${suffix}: ${comments}`, () => {
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clearCache(tx, noCache);
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assert.ok(tx.verify(view, flags));
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assert.ok(!tx.isSane());
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});
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continue;
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}
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if (comments.indexOf('Coinbase') === 0) {
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it(`should handle invalid tx test ${suffix}: ${comments}`, () => {
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clearCache(tx, noCache);
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assert.ok(!tx.isSane());
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});
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continue;
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}
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it(`should handle invalid tx test ${suffix}: ${comments}`, () => {
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clearCache(tx, noCache);
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assert.ok(!tx.verify(view, flags));
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});
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}
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}
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}
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for (const json of sighashTests) {
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if (json.length === 1)
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continue;
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const test = parseSighashTest(json);
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const {tx, script, index, type} = test;
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const {hash, hex, expected} = test;
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clearCache(tx, noCache);
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it(`should get sighash of ${hash} (${hex}) ${suffix}`, () => {
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const subscript = script.getSubscript(0).removeSeparators();
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const hash = tx.signatureHash(index, subscript, 0, type, 0);
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assert.equal(hash.toString('hex'), expected);
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});
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}
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}
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it('should fail on >51 bit coin values', () => {
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const [input, view] = createInput(consensus.MAX_MONEY + 1);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: consensus.MAX_MONEY
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}],
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locktime: 0
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});
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assert.ok(tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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it('should handle 51 bit coin values', () => {
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const [input, view] = createInput(consensus.MAX_MONEY);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: consensus.MAX_MONEY
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}],
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locktime: 0
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});
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assert.ok(tx.isSane());
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assert.ok(tx.verifyInputs(view, 0));
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});
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it('should fail on >51 bit output values', () => {
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const [input, view] = createInput(consensus.MAX_MONEY);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: consensus.MAX_MONEY + 1
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}],
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locktime: 0
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});
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assert.ok(!tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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it('should handle 51 bit output values', () => {
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const [input, view] = createInput(consensus.MAX_MONEY);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: consensus.MAX_MONEY
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}],
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locktime: 0
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});
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assert.ok(tx.isSane());
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assert.ok(tx.verifyInputs(view, 0));
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});
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it('should fail on >51 bit fees', () => {
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const [input, view] = createInput(consensus.MAX_MONEY + 1);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: 0
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}],
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locktime: 0
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});
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assert.ok(tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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it('should fail on >51 bit values from multiple', () => {
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const view = new CoinView();
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [
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createInput(Math.floor(consensus.MAX_MONEY / 2), view)[0],
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createInput(Math.floor(consensus.MAX_MONEY / 2), view)[0],
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createInput(Math.floor(consensus.MAX_MONEY / 2), view)[0]
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],
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outputs: [{
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script: [],
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value: consensus.MAX_MONEY
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}],
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locktime: 0
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});
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assert.ok(tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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it('should fail on >51 bit output values from multiple', () => {
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const [input, view] = createInput(consensus.MAX_MONEY);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [
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{
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script: [],
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value: Math.floor(consensus.MAX_MONEY / 2)
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},
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{
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script: [],
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value: Math.floor(consensus.MAX_MONEY / 2)
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},
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{
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script: [],
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value: Math.floor(consensus.MAX_MONEY / 2)
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}
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],
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locktime: 0
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});
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assert.ok(!tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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it('should fail on >51 bit fees from multiple', () => {
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const view = new CoinView();
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [
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createInput(Math.floor(consensus.MAX_MONEY / 2), view)[0],
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createInput(Math.floor(consensus.MAX_MONEY / 2), view)[0],
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createInput(Math.floor(consensus.MAX_MONEY / 2), view)[0]
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],
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outputs: [{
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script: [],
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value: 0
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}],
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locktime: 0
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});
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assert.ok(tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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it('should fail to parse >53 bit values', () => {
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const [input] = createInput(Math.floor(consensus.MAX_MONEY / 2));
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: 0xdeadbeef
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}],
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locktime: 0
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});
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let raw = tx.toRaw();
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assert(encoding.readU64(raw, 47) === 0xdeadbeef);
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raw[54] = 0x7f;
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assert.throws(() => TX.fromRaw(raw));
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tx.outputs[0].value = 0;
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tx.refresh();
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raw = tx.toRaw();
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assert(encoding.readU64(raw, 47) === 0x00);
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raw[54] = 0x80;
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assert.throws(() => TX.fromRaw(raw));
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});
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it('should fail on 53 bit coin values', () => {
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const [input, view] = createInput(MAX_SAFE_INTEGER);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: consensus.MAX_MONEY
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}],
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locktime: 0
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});
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assert.ok(tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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it('should fail on 53 bit output values', () => {
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const [input, view] = createInput(consensus.MAX_MONEY);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: MAX_SAFE_INTEGER
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}],
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locktime: 0
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});
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assert.ok(!tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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it('should fail on 53 bit fees', () => {
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const [input, view] = createInput(MAX_SAFE_INTEGER);
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const tx = new TX({
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version: 1,
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flag: 1,
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inputs: [input],
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outputs: [{
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script: [],
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value: 0
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}],
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locktime: 0
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});
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assert.ok(tx.isSane());
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assert.ok(!tx.verifyInputs(view, 0));
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});
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[MAX_SAFE_ADDITION, MAX_SAFE_INTEGER].forEach((MAX) => {
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it('should fail on >53 bit values from multiple', () => {
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const view = new CoinView();
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const tx = new TX({
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version: 1,
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flag: 1,
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|
inputs: [
|
|
createInput(MAX, view)[0],
|
|
createInput(MAX, view)[0],
|
|
createInput(MAX, view)[0]
|
|
],
|
|
outputs: [{
|
|
script: [],
|
|
value: consensus.MAX_MONEY
|
|
}],
|
|
locktime: 0
|
|
});
|
|
assert.ok(tx.isSane());
|
|
assert.ok(!tx.verifyInputs(view, 0));
|
|
});
|
|
|
|
it('should fail on >53 bit output values from multiple', () => {
|
|
const [input, view] = createInput(consensus.MAX_MONEY);
|
|
const tx = new TX({
|
|
version: 1,
|
|
flag: 1,
|
|
inputs: [input],
|
|
outputs: [
|
|
{
|
|
script: [],
|
|
value: MAX
|
|
},
|
|
{
|
|
script: [],
|
|
value: MAX
|
|
},
|
|
{
|
|
script: [],
|
|
value: MAX
|
|
}
|
|
],
|
|
locktime: 0
|
|
});
|
|
assert.ok(!tx.isSane());
|
|
assert.ok(!tx.verifyInputs(view, 0));
|
|
});
|
|
|
|
it('should fail on >53 bit fees from multiple', () => {
|
|
const view = new CoinView();
|
|
const tx = new TX({
|
|
version: 1,
|
|
flag: 1,
|
|
inputs: [
|
|
createInput(MAX, view)[0],
|
|
createInput(MAX, view)[0],
|
|
createInput(MAX, view)[0]
|
|
],
|
|
outputs: [{
|
|
script: [],
|
|
value: 0
|
|
}],
|
|
locktime: 0
|
|
});
|
|
assert.ok(tx.isSane());
|
|
assert.ok(!tx.verifyInputs(view, 0));
|
|
});
|
|
});
|
|
|
|
it('should count sigops for multisig', () => {
|
|
const flags = Script.flags.VERIFY_WITNESS | Script.flags.VERIFY_P2SH;
|
|
const key = KeyRing.generate();
|
|
const pub = key.publicKey;
|
|
|
|
const output = Script.fromMultisig(1, 2, [pub, pub]);
|
|
|
|
const input = new Script([
|
|
opcodes.OP_0,
|
|
opcodes.OP_0
|
|
]);
|
|
|
|
const witness = new Witness();
|
|
|
|
const ctx = sigopContext(input, witness, output);
|
|
|
|
assert.equal(ctx.spend.getSigopsCost(ctx.view, flags), 0);
|
|
assert.equal(ctx.fund.getSigopsCost(ctx.view, flags),
|
|
consensus.MAX_MULTISIG_PUBKEYS * consensus.WITNESS_SCALE_FACTOR);
|
|
});
|
|
|
|
it('should count sigops for p2sh multisig', () => {
|
|
const flags = Script.flags.VERIFY_WITNESS | Script.flags.VERIFY_P2SH;
|
|
const key = KeyRing.generate();
|
|
const pub = key.publicKey;
|
|
|
|
const redeem = Script.fromMultisig(1, 2, [pub, pub]);
|
|
const output = Script.fromScripthash(redeem.hash160());
|
|
|
|
const input = new Script([
|
|
opcodes.OP_0,
|
|
opcodes.OP_0,
|
|
redeem.toRaw()
|
|
]);
|
|
|
|
const witness = new Witness();
|
|
|
|
const ctx = sigopContext(input, witness, output);
|
|
|
|
assert.equal(ctx.spend.getSigopsCost(ctx.view, flags),
|
|
2 * consensus.WITNESS_SCALE_FACTOR);
|
|
});
|
|
|
|
it('should count sigops for p2wpkh', () => {
|
|
const flags = Script.flags.VERIFY_WITNESS | Script.flags.VERIFY_P2SH;
|
|
const key = KeyRing.generate();
|
|
|
|
const witness = new Witness([
|
|
Buffer.from([0]),
|
|
Buffer.from([0])
|
|
]);
|
|
|
|
const input = new Script();
|
|
|
|
{
|
|
const output = Script.fromProgram(0, key.getKeyHash());
|
|
const ctx = sigopContext(input, witness, output);
|
|
|
|
assert.equal(ctx.spend.getSigopsCost(ctx.view, flags), 1);
|
|
assert.equal(
|
|
ctx.spend.getSigopsCost(ctx.view, flags & ~Script.flags.VERIFY_WITNESS),
|
|
0);
|
|
}
|
|
|
|
{
|
|
const output = Script.fromProgram(1, key.getKeyHash());
|
|
const ctx = sigopContext(input, witness, output);
|
|
|
|
assert.equal(ctx.spend.getSigopsCost(ctx.view, flags), 0);
|
|
}
|
|
|
|
{
|
|
const output = Script.fromProgram(0, key.getKeyHash());
|
|
const ctx = sigopContext(input, witness, output);
|
|
|
|
ctx.spend.inputs[0].prevout.hash = encoding.NULL_HASH;
|
|
ctx.spend.inputs[0].prevout.index = 0xffffffff;
|
|
ctx.spend.refresh();
|
|
|
|
assert.equal(ctx.spend.getSigopsCost(ctx.view, flags), 0);
|
|
}
|
|
});
|
|
|
|
it('should count sigops for nested p2wpkh', () => {
|
|
const flags = Script.flags.VERIFY_WITNESS | Script.flags.VERIFY_P2SH;
|
|
const key = KeyRing.generate();
|
|
|
|
const redeem = Script.fromProgram(0, key.getKeyHash());
|
|
const output = Script.fromScripthash(redeem.hash160());
|
|
|
|
const input = new Script([
|
|
redeem.toRaw()
|
|
]);
|
|
|
|
const witness = new Witness([
|
|
Buffer.from([0]),
|
|
Buffer.from([0])
|
|
]);
|
|
|
|
const ctx = sigopContext(input, witness, output);
|
|
|
|
assert.equal(ctx.spend.getSigopsCost(ctx.view, flags), 1);
|
|
});
|
|
|
|
it('should count sigops for p2wsh', () => {
|
|
const flags = Script.flags.VERIFY_WITNESS | Script.flags.VERIFY_P2SH;
|
|
const key = KeyRing.generate();
|
|
const pub = key.publicKey;
|
|
|
|
const redeem = Script.fromMultisig(1, 2, [pub, pub]);
|
|
const output = Script.fromProgram(0, redeem.sha256());
|
|
|
|
const input = new Script();
|
|
|
|
const witness = new Witness([
|
|
Buffer.from([0]),
|
|
Buffer.from([0]),
|
|
redeem.toRaw()
|
|
]);
|
|
|
|
const ctx = sigopContext(input, witness, output);
|
|
|
|
assert.equal(ctx.spend.getSigopsCost(ctx.view, flags), 2);
|
|
assert.equal(
|
|
ctx.spend.getSigopsCost(ctx.view, flags & ~Script.flags.VERIFY_WITNESS),
|
|
0);
|
|
});
|
|
|
|
it('should count sigops for nested p2wsh', () => {
|
|
const flags = Script.flags.VERIFY_WITNESS | Script.flags.VERIFY_P2SH;
|
|
const key = KeyRing.generate();
|
|
const pub = key.publicKey;
|
|
|
|
const wscript = Script.fromMultisig(1, 2, [pub, pub]);
|
|
const redeem = Script.fromProgram(0, wscript.sha256());
|
|
const output = Script.fromScripthash(redeem.hash160());
|
|
|
|
const input = new Script([
|
|
redeem.toRaw()
|
|
]);
|
|
|
|
const witness = new Witness([
|
|
Buffer.from([0]),
|
|
Buffer.from([0]),
|
|
wscript.toRaw()
|
|
]);
|
|
|
|
const ctx = sigopContext(input, witness, output);
|
|
|
|
assert.equal(ctx.spend.getSigopsCost(ctx.view, flags), 2);
|
|
});
|
|
});
|