Daniel Cousens
8 years ago
committed by
Daniel Cousens
Daniel Cousens
4 changed files with 423 additions and 410 deletions
@ -0,0 +1,57 @@ |
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var decompile = require('../script').decompile |
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var multisig = require('./multisig') |
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var nullData = require('./nulldata') |
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var pubKey = require('./pubkey') |
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var pubKeyHash = require('./pubkeyhash') |
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var scriptHash = require('./scripthash') |
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var witnessPubKeyHash = require('./witnesspubkeyhash') |
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var witnessScriptHash = require('./witnessscripthash') |
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function classifyOutput (script) { |
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if (witnessPubKeyHash.output.check(script)) return 'witnesspubkeyhash' |
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if (witnessScriptHash.output.check(script)) return 'witnessscripthash' |
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if (pubKeyHash.output.check(script)) return 'pubkeyhash' |
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if (scriptHash.output.check(script)) return 'scripthash' |
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// XXX: optimization, below functions .decompile before use
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var chunks = decompile(script) |
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if (multisig.output.check(chunks)) return 'multisig' |
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if (pubKey.output.check(chunks)) return 'pubkey' |
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if (nullData.output.check(chunks)) return 'nulldata' |
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return 'nonstandard' |
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} |
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function classifyInput (script, allowIncomplete) { |
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// XXX: optimization, below functions .decompile before use
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var chunks = decompile(script) |
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if (pubKeyHash.input.check(chunks)) return 'pubkeyhash' |
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if (scriptHash.input.check(chunks, allowIncomplete)) return 'scripthash' |
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if (multisig.input.check(chunks, allowIncomplete)) return 'multisig' |
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if (pubKey.input.check(chunks)) return 'pubkey' |
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return 'nonstandard' |
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} |
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function classifyWitness (script, allowIncomplete) { |
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// XXX: optimization, below functions .decompile before use
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var chunks = decompile(script) |
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if (pubKeyHash.input.check(chunks)) return 'witnesspubkeyhash' |
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if (scriptHash.input.check(chunks)) return 'witnessscripthash' |
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return 'nonstandard' |
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} |
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module.exports = { |
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classifyInput: classifyInput, |
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classifyOutput: classifyOutput, |
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classifyWitness: classifyWitness, |
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multisig: multisig, |
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nullData: nullData, |
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pubKey: pubKey, |
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pubKeyHash: pubKeyHash, |
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scriptHash: scriptHash, |
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witnessPubKeyHash: witnessPubKeyHash, |
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witnessScriptHash: witnessScriptHash |
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} |
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@ -0,0 +1,363 @@ |
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/* global describe, it */ |
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var assert = require('assert') |
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var bcrypto = require('../src/crypto') |
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var bscript = require('../src/script') |
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var ops = require('../src/opcodes') |
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var fixtures = require('./fixtures/script.json') |
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describe('script-templates', function () { |
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describe('classifyInput', function () { |
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fixtures.valid.forEach(function (f) { |
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if (!f.scriptSig) return |
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it('classifies ' + f.scriptSig + ' as ' + f.type, function () { |
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var scriptSig = bscript.fromASM(f.scriptSig) |
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var type = bscript.classifyInput(scriptSig) |
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assert.strictEqual(type, f.type) |
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}) |
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}) |
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fixtures.valid.forEach(function (f) { |
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if (!f.scriptSig) return |
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if (!f.typeIncomplete) return |
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it('classifies incomplete ' + f.scriptSig + ' as ' + f.typeIncomplete, function () { |
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var scriptSig = bscript.fromASM(f.scriptSig) |
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var type = bscript.classifyInput(scriptSig, true) |
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assert.strictEqual(type, f.typeIncomplete) |
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}) |
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}) |
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}) |
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describe('classifyOutput', function () { |
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fixtures.valid.forEach(function (f) { |
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if (!f.scriptPubKey) return |
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it('classifies ' + f.scriptPubKey + ' as ' + f.type, function () { |
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var scriptPubKey = bscript.fromASM(f.scriptPubKey) |
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var type = bscript.classifyOutput(scriptPubKey) |
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assert.strictEqual(type, f.type) |
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}) |
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}) |
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}) |
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;[ |
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'pubKey', |
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'pubKeyHash', |
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'scriptHash', |
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'witnessPubKeyHash', |
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'witnessScriptHash', |
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'multisig', |
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'nullData' |
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].forEach(function (name) { |
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var inputType = bscript[name].input |
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var outputType = bscript[name].output |
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describe(name + '.input.check', function () { |
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fixtures.valid.forEach(function (f) { |
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var expected = name.toLowerCase() === f.type |
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if (inputType && f.scriptSig) { |
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var scriptSig = bscript.fromASM(f.scriptSig) |
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it('returns ' + expected + ' for ' + f.scriptSig, function () { |
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assert.strictEqual(inputType.check(scriptSig), expected) |
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}) |
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if (f.typeIncomplete) { |
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var expectedIncomplete = name.toLowerCase() === f.typeIncomplete |
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it('returns ' + expected + ' for ' + f.scriptSig, function () { |
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assert.strictEqual(inputType.check(scriptSig, true), expectedIncomplete) |
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}) |
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} |
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} |
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}) |
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if (!(fixtures.invalid[name])) return |
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fixtures.invalid[name].inputs.forEach(function (f) { |
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if (!f.scriptSig && !f.scriptSigHex) return |
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it('returns false for ' + f.description + ' (' + (f.scriptSig || f.scriptSigHex) + ')', function () { |
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var scriptSig |
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if (f.scriptSig) { |
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scriptSig = bscript.fromASM(f.scriptSig) |
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} else { |
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scriptSig = new Buffer(f.scriptSigHex, 'hex') |
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} |
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assert.strictEqual(inputType.check(scriptSig), false) |
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}) |
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}) |
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}) |
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describe(name + '.output.check', function () { |
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fixtures.valid.forEach(function (f) { |
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var expected = name.toLowerCase() === f.type |
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if (outputType && f.scriptPubKey) { |
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it('returns ' + expected + ' for ' + f.scriptPubKey, function () { |
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var scriptPubKey = bscript.fromASM(f.scriptPubKey) |
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assert.strictEqual(outputType.check(scriptPubKey), expected) |
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}) |
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} |
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}) |
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if (!(fixtures.invalid[name])) return |
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fixtures.invalid[name].outputs.forEach(function (f) { |
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if (!f.scriptPubKey && !f.scriptPubKeyHex) return |
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it('returns false for ' + f.description + ' (' + (f.scriptPubKey || f.scriptPubKeyHex) + ')', function () { |
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var scriptPubKey |
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if (f.scriptPubKey) { |
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scriptPubKey = bscript.fromASM(f.scriptPubKey) |
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} else { |
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scriptPubKey = new Buffer(f.scriptPubKeyHex, 'hex') |
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} |
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assert.strictEqual(outputType.check(scriptPubKey), false) |
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}) |
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}) |
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}) |
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}) |
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describe('pubKey.input.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'pubkey') return |
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it('returns ' + f.scriptSig, function () { |
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var signature = new Buffer(f.signature, 'hex') |
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var scriptSig = bscript.pubKey.input.encode(signature) |
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assert.strictEqual(bscript.toASM(scriptSig), f.scriptSig) |
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}) |
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}) |
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}) |
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describe('pubKey.output.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'pubkey') return |
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it('returns ' + f.scriptPubKey, function () { |
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var pubKey = new Buffer(f.pubKey, 'hex') |
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var scriptPubKey = bscript.pubKey.output.encode(pubKey) |
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assert.strictEqual(bscript.toASM(scriptPubKey), f.scriptPubKey) |
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}) |
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}) |
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}) |
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describe('pubKeyHash.input.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'pubkeyhash') return |
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var pubKey = new Buffer(f.pubKey, 'hex') |
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it('returns ' + f.scriptSig, function () { |
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var signature = new Buffer(f.signature, 'hex') |
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var scriptSig = bscript.pubKeyHash.input.encode(signature, pubKey) |
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assert.strictEqual(bscript.toASM(scriptSig), f.scriptSig) |
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}) |
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}) |
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}) |
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describe('pubKeyHash.output.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'pubkeyhash') return |
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var pubKey = new Buffer(f.pubKey, 'hex') |
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var pubKeyHash = bcrypto.hash160(pubKey) |
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it('returns ' + f.scriptPubKey, function () { |
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var scriptPubKey = bscript.pubKeyHash.output.encode(pubKeyHash) |
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assert.strictEqual(bscript.toASM(scriptPubKey), f.scriptPubKey) |
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}) |
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}) |
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fixtures.invalid.pubKeyHash.outputs.forEach(function (f) { |
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if (!f.hash) return |
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var hash = new Buffer(f.hash, 'hex') |
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it('throws on ' + f.exception, function () { |
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assert.throws(function () { |
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bscript.pubKeyHash.output.encode(hash) |
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}, new RegExp(f.exception)) |
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}) |
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}) |
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}) |
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describe('multisig.input.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'multisig') return |
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it('returns ' + f.scriptSig, function () { |
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var signatures = f.signatures.map(function (signature) { |
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return signature ? new Buffer(signature, 'hex') : ops.OP_0 |
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}) |
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var scriptSig = bscript.multisig.input.encode(signatures) |
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assert.strictEqual(bscript.toASM(scriptSig), f.scriptSig) |
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}) |
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}) |
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fixtures.invalid.multisig.inputs.forEach(function (f) { |
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if (!f.scriptPubKey) return |
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var scriptPubKey = bscript.fromASM(f.scriptPubKey) |
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it('throws on ' + f.exception, function () { |
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var signatures = f.signatures.map(function (signature) { |
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return signature ? new Buffer(signature, 'hex') : ops.OP_0 |
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}) |
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assert.throws(function () { |
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bscript.multisig.input.encode(signatures, scriptPubKey) |
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}, new RegExp(f.exception)) |
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}) |
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}) |
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}) |
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describe('multisig.output.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'multisig') return |
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var pubKeys = f.pubKeys.map(function (p) { return new Buffer(p, 'hex') }) |
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var scriptPubKey = bscript.multisig.output.encode(pubKeys.length, pubKeys) |
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it('returns ' + f.scriptPubKey, function () { |
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assert.strictEqual(bscript.toASM(scriptPubKey), f.scriptPubKey) |
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}) |
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}) |
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fixtures.invalid.multisig.outputs.forEach(function (f) { |
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if (!f.pubKeys) return |
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var pubKeys = f.pubKeys.map(function (p) { |
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return new Buffer(p, 'hex') |
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}) |
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it('throws on ' + f.exception, function () { |
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assert.throws(function () { |
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bscript.multisig.output.encode(f.m, pubKeys) |
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}, new RegExp(f.exception)) |
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}) |
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}) |
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}) |
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describe('scriptHash.input.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'scripthash') return |
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var redeemScript = bscript.fromASM(f.redeemScript) |
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var redeemScriptSig = bscript.fromASM(f.redeemScriptSig) |
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it('returns ' + f.scriptSig, function () { |
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var scriptSig = bscript.scriptHash.input.encode(redeemScriptSig, redeemScript) |
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if (f.scriptSig) { |
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assert.strictEqual(bscript.toASM(scriptSig), f.scriptSig) |
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} else { |
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assert.strictEqual(scriptSig.toString('hex'), f.scriptSigHex) |
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} |
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}) |
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}) |
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}) |
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describe('scriptHash.output.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'scripthash') return |
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if (!f.scriptPubKey) return |
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it('returns ' + f.scriptPubKey, function () { |
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var redeemScript = bscript.fromASM(f.redeemScript) |
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var scriptPubKey = bscript.scriptHash.output.encode(bcrypto.hash160(redeemScript)) |
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assert.strictEqual(bscript.toASM(scriptPubKey), f.scriptPubKey) |
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}) |
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}) |
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fixtures.invalid.scriptHash.outputs.forEach(function (f) { |
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if (!f.hash) return |
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var hash = new Buffer(f.hash, 'hex') |
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it('throws on ' + f.exception, function () { |
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assert.throws(function () { |
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bscript.scriptHash.output.encode(hash) |
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}, new RegExp(f.exception)) |
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}) |
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}) |
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}) |
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describe('witnessPubKeyHash.output.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'witnesspubkeyhash') return |
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if (!f.scriptPubKey) return |
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var pubKey = new Buffer(f.pubKey, 'hex') |
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var pubKeyHash = bcrypto.hash160(pubKey) |
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it('returns ' + f.scriptPubKey, function () { |
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var scriptPubKey = bscript.witnessPubKeyHash.output.encode(pubKeyHash) |
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assert.strictEqual(bscript.toASM(scriptPubKey), f.scriptPubKey) |
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}) |
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}) |
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fixtures.invalid.witnessPubKeyHash.outputs.forEach(function (f) { |
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if (!f.hash) return |
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var hash = new Buffer(f.hash, 'hex') |
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it('throws on ' + f.exception, function () { |
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assert.throws(function () { |
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bscript.witnessPubKeyHash.output.encode(hash) |
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}, new RegExp(f.exception)) |
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}) |
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}) |
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}) |
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describe('witnessScriptHash.outputs.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'witnessscripthash') return |
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if (!f.scriptPubKey) return |
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it('returns ' + f.scriptPubKey, function () { |
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var witnessScriptPubKey = bscript.fromASM(f.witnessScriptPubKey) |
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var scriptPubKey = bscript.witnessScriptHash.output.encode(bcrypto.hash256(witnessScriptPubKey)) |
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assert.strictEqual(bscript.toASM(scriptPubKey), f.scriptPubKey) |
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}) |
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}) |
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fixtures.invalid.witnessScriptHash.outputs.forEach(function (f) { |
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if (!f.hash) return |
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var hash = new Buffer(f.hash, 'hex') |
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it('throws on ' + f.exception, function () { |
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assert.throws(function () { |
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bscript.witnessScriptHash.output.encode(hash) |
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}, new RegExp(f.exception)) |
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}) |
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}) |
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}) |
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describe('nullData.output.encode', function () { |
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fixtures.valid.forEach(function (f) { |
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if (f.type !== 'nulldata') return |
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var data = new Buffer(f.data, 'hex') |
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var scriptPubKey = bscript.nullData.output.encode(data) |
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it('returns ' + f.scriptPubKey, function () { |
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assert.strictEqual(bscript.toASM(scriptPubKey), f.scriptPubKey) |
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}) |
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}) |
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}) |
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}) |
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