bitcoinjs-lib/test/scripts.js

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/* global describe, it */
var assert = require('assert')
var ops = require('../src/opcodes')
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var scripts = require('../src/scripts')
var ECPubKey = require('../src/ecpubkey')
var Script = require('../src/script')
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var fixtures = require('./fixtures/scripts.json')
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describe('Scripts', function () {
// TODO
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describe.skip('isCanonicalPubKey', function () {})
describe.skip('isCanonicalSignature', function () {})
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describe('classifyInput', function () {
fixtures.valid.forEach(function (f) {
if (!f.scriptSig) return
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it('classifies ' + f.scriptSig + ' as ' + f.type, function () {
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var script = Script.fromASM(f.scriptSig)
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var type = scripts.classifyInput(script)
assert.equal(type, f.type)
})
})
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fixtures.valid.forEach(function (f) {
if (!f.scriptSig) return
if (!f.typeIncomplete) return
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it('classifies incomplete ' + f.scriptSig + ' as ' + f.typeIncomplete, function () {
var script = Script.fromASM(f.scriptSig)
var type = scripts.classifyInput(script, true)
assert.equal(type, f.typeIncomplete)
})
})
})
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describe('classifyOutput', function () {
fixtures.valid.forEach(function (f) {
if (!f.scriptPubKey) return
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it('classifies ' + f.scriptPubKey + ' as ' + f.type, function () {
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var script = Script.fromASM(f.scriptPubKey)
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var type = scripts.classifyOutput(script)
assert.equal(type, f.type)
})
})
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})
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;['PubKey', 'PubKeyHash', 'ScriptHash', 'Multisig', 'NullData'].forEach(function (type) {
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var inputFnName = 'is' + type + 'Input'
var outputFnName = 'is' + type + 'Output'
var inputFn = scripts[inputFnName]
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var outputFn = scripts[outputFnName]
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describe('is' + type + 'Input', function () {
fixtures.valid.forEach(function (f) {
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var expected = type.toLowerCase() === f.type
if (inputFn && f.scriptSig) {
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it('returns ' + expected + ' for ' + f.scriptSig, function () {
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var script = Script.fromASM(f.scriptSig)
assert.equal(inputFn(script), expected)
})
if (f.typeIncomplete) {
var expectedIncomplete = type.toLowerCase() === f.typeIncomplete
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it('returns ' + expected + ' for ' + f.scriptSig, function () {
var script = Script.fromASM(f.scriptSig)
assert.equal(inputFn(script, true), expectedIncomplete)
})
}
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}
})
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if (!(inputFnName in fixtures.invalid)) return
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fixtures.invalid[inputFnName].forEach(function (f) {
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if (inputFn && f.scriptSig) {
it('returns false for ' + f.description + ' (' + f.scriptSig + ')', function () {
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var script = Script.fromASM(f.scriptSig)
assert.equal(inputFn(script), false)
})
}
})
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})
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describe('is' + type + 'Output', function () {
fixtures.valid.forEach(function (f) {
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var expected = type.toLowerCase() === f.type
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if (outputFn && f.scriptPubKey) {
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it('returns ' + expected + ' for ' + f.scriptPubKey, function () {
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var script = Script.fromASM(f.scriptPubKey)
assert.equal(outputFn(script), expected)
})
}
})
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if (!(outputFnName in fixtures.invalid)) return
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fixtures.invalid[outputFnName].forEach(function (f) {
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if (outputFn && f.scriptPubKey) {
it('returns false for ' + f.description + ' (' + f.scriptPubKey + ')', function () {
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var script = Script.fromASM(f.scriptPubKey)
assert.equal(outputFn(script), false)
})
}
})
})
})
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describe('pubKeyInput', function () {
fixtures.valid.forEach(function (f) {
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 = scripts.pubKeyInput(signature)
assert.equal(scriptSig.toASM(), f.scriptSig)
})
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})
})
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describe('pubKeyOutput', function () {
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 = ECPubKey.fromHex(f.pubKey)
var scriptPubKey = scripts.pubKeyOutput(pubKey)
assert.equal(scriptPubKey.toASM(), f.scriptPubKey)
})
})
})
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describe('pubKeyHashInput', function () {
fixtures.valid.forEach(function (f) {
if (f.type !== 'pubkeyhash') return
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var pubKey = ECPubKey.fromHex(f.pubKey)
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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 = scripts.pubKeyHashInput(signature, pubKey)
assert.equal(scriptSig.toASM(), f.scriptSig)
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})
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})
})
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describe('pubKeyHashOutput', function () {
fixtures.valid.forEach(function (f) {
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if (f.type !== 'pubkeyhash') return
var pubKey = ECPubKey.fromHex(f.pubKey)
var address = pubKey.getAddress()
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it('returns ' + f.scriptPubKey, function () {
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var scriptPubKey = scripts.pubKeyHashOutput(address.hash)
assert.equal(scriptPubKey.toASM(), f.scriptPubKey)
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})
})
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})
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describe('multisigInput', function () {
fixtures.valid.forEach(function (f) {
if (f.type !== 'multisig') return
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it('returns ' + f.scriptSig, function () {
var signatures = f.signatures.map(function (signature) {
return signature ? new Buffer(signature, 'hex') : ops.OP_0
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})
var scriptSig = scripts.multisigInput(signatures)
assert.equal(scriptSig.toASM(), f.scriptSig)
})
})
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fixtures.invalid.multisigInput.forEach(function (f) {
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var pubKeys = f.pubKeys.map(ECPubKey.fromHex)
var scriptPubKey = scripts.multisigOutput(pubKeys.length, pubKeys)
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it('throws on ' + f.exception, function () {
var signatures = f.signatures.map(function (signature) {
return signature ? new Buffer(signature, 'hex') : ops.OP_0
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})
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assert.throws(function () {
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scripts.multisigInput(signatures, scriptPubKey)
}, new RegExp(f.exception))
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})
})
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})
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describe('multisigOutput', function () {
fixtures.valid.forEach(function (f) {
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if (f.type !== 'multisig') return
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var pubKeys = f.pubKeys.map(ECPubKey.fromHex)
var scriptPubKey = scripts.multisigOutput(pubKeys.length, pubKeys)
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it('returns ' + f.scriptPubKey, function () {
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assert.equal(scriptPubKey.toASM(), f.scriptPubKey)
})
})
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fixtures.invalid.multisigOutput.forEach(function (f) {
var pubKeys = f.pubKeys.map(ECPubKey.fromHex)
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it('throws on ' + f.exception, function () {
assert.throws(function () {
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scripts.multisigOutput(f.m, pubKeys)
}, new RegExp(f.exception))
})
})
})
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describe('scriptHashInput', function () {
fixtures.valid.forEach(function (f) {
if (f.type !== 'scripthash') return
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var redeemScript = Script.fromASM(f.redeemScript)
var redeemScriptSig = Script.fromASM(f.redeemScriptSig)
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it('returns ' + f.scriptSig, function () {
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var scriptSig = scripts.scriptHashInput(redeemScriptSig, redeemScript)
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assert.equal(scriptSig.toASM(), f.scriptSig)
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})
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})
})
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describe('scriptHashOutput', function () {
fixtures.valid.forEach(function (f) {
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if (f.type !== 'scripthash') return
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var redeemScript = Script.fromASM(f.redeemScript)
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it('returns ' + f.scriptPubKey, function () {
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var scriptPubKey = scripts.scriptHashOutput(redeemScript.getHash())
assert.equal(scriptPubKey.toASM(), f.scriptPubKey)
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})
})
})
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describe('nullDataOutput', function () {
fixtures.valid.forEach(function (f) {
if (f.type !== 'nulldata') return
var data = new Buffer(f.data, 'hex')
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var scriptPubKey = scripts.nullDataOutput(data)
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it('returns ' + f.scriptPubKey, function () {
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assert.equal(scriptPubKey.toASM(), f.scriptPubKey)
})
})
})
})