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Merge pull request #329 from bitcoinjs/txbmerge

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TransactionBuilder.sign signature ordering for multisig
This commit is contained in:
Daniel Cousens 2015-02-15 16:19:00 +11:00
commit 4f8ef640ab
5 changed files with 695 additions and 377 deletions
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2
src/scripts.js
View file

@ -65,8 +65,8 @@ function isPubKeyOutput(script) {
function isScriptHashInput(script, allowIncomplete) { function isScriptHashInput(script, allowIncomplete) {
if (script.chunks.length < 2) return false if (script.chunks.length < 2) return false
var lastChunk = script.chunks[script.chunks.length - 1]
var lastChunk = script.chunks[script.chunks.length - 1]
if (!Buffer.isBuffer(lastChunk)) return false if (!Buffer.isBuffer(lastChunk)) return false
var scriptSig = Script.fromChunks(script.chunks.slice(0, -1)) var scriptSig = Script.fromChunks(script.chunks.slice(0, -1))

3
src/transaction.js
View file

@ -308,6 +308,9 @@ Transaction.prototype.toHex = function() {
} }
Transaction.prototype.setInputScript = function(index, script) { Transaction.prototype.setInputScript = function(index, script) {
typeForce('Number', index)
typeForce('Script', script)
this.ins[index].script = script this.ins[index].script = script
} }

419
src/transaction_builder.js
View file

@ -7,16 +7,95 @@ var ECSignature = require('./ecsignature')
var Script = require('./script') var Script = require('./script')
var Transaction = require('./transaction') var Transaction = require('./transaction')
function isCoinbase(txHash) {
return Array.prototype.every.call(txHash, function(x) {
return x === 0
})
}
function extractInput(txIn) {
var redeemScript
var scriptSig = txIn.script
var prevOutScript
var prevOutType = scripts.classifyInput(scriptSig, true)
var scriptType
// Re-classify if scriptHash
if (prevOutType === 'scripthash') {
redeemScript = Script.fromBuffer(scriptSig.chunks.slice(-1)[0])
prevOutScript = scripts.scriptHashOutput(redeemScript.getHash())
scriptSig = Script.fromChunks(scriptSig.chunks.slice(0, -1))
scriptType = scripts.classifyInput(scriptSig, true)
} else {
scriptType = prevOutType
}
// Extract hashType, pubKeys and signatures
var hashType, parsed, pubKeys, signatures
switch (scriptType) {
case 'pubkeyhash': {
parsed = ECSignature.parseScriptSignature(scriptSig.chunks[0])
hashType = parsed.hashType
pubKeys = [ECPubKey.fromBuffer(scriptSig.chunks[1])]
signatures = [parsed.signature]
prevOutScript = pubKeys[0].getAddress().toOutputScript()
break
}
case 'pubkey': {
parsed = ECSignature.parseScriptSignature(scriptSig.chunks[0])
hashType = parsed.hashType
signatures = [parsed.signature]
if (redeemScript) {
pubKeys = [ECPubKey.fromBuffer(redeemScript.chunks[0])]
}
break
}
case 'multisig': {
signatures = scriptSig.chunks.slice(1).map(function(chunk) {
if (chunk === ops.OP_0) return chunk
var parsed = ECSignature.parseScriptSignature(chunk)
hashType = parsed.hashType
return parsed.signature
})
if (redeemScript) {
pubKeys = redeemScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer)
}
break
}
}
return {
hashType: hashType,
prevOutScript: prevOutScript,
prevOutType: prevOutType,
pubKeys: pubKeys,
redeemScript: redeemScript,
scriptType: scriptType,
signatures: signatures
}
}
function TransactionBuilder() { function TransactionBuilder() {
this.prevOutMap = {} this.prevTxMap = {}
this.prevOutScripts = {} this.prevOutScripts = {}
this.prevOutTypes = {} this.prevOutTypes = {}
this.signatures = [] this.inputs = []
this.tx = new Transaction() this.tx = new Transaction()
} }
// Static constructors
TransactionBuilder.fromTransaction = function(transaction) { TransactionBuilder.fromTransaction = function(transaction) {
var txb = new TransactionBuilder() var txb = new TransactionBuilder()
@ -35,78 +114,19 @@ TransactionBuilder.fromTransaction = function(transaction) {
}) })
// Extract/add signatures // Extract/add signatures
transaction.ins.forEach(function(txIn, i) { txb.inputs = transaction.ins.map(function(txIn) {
// TODO: remove me after testcase added
assert(!isCoinbase(txIn.hash), 'coinbase inputs not supported')
// Ignore empty scripts // Ignore empty scripts
if (txIn.script.buffer.length === 0) return if (txIn.script.buffer.length === 0) return
assert(!Array.prototype.every.call(txIn.hash, function(x) { return extractInput(txIn)
return x === 0
}), 'coinbase inputs not supported')
var redeemScript
var scriptSig = txIn.script
var scriptType = scripts.classifyInput(scriptSig, true)
// Re-classify if P2SH
if (scriptType === 'scripthash') {
redeemScript = Script.fromBuffer(scriptSig.chunks.slice(-1)[0])
scriptSig = Script.fromChunks(scriptSig.chunks.slice(0, -1))
scriptType = scripts.classifyInput(scriptSig, true)
assert.equal(scripts.classifyOutput(redeemScript), scriptType, 'Non-matching scriptSig and scriptPubKey in input')
}
// Extract hashType, pubKeys and signatures
var hashType, parsed, pubKeys, signatures
switch (scriptType) {
case 'pubkeyhash':
parsed = ECSignature.parseScriptSignature(scriptSig.chunks[0])
var pubKey = ECPubKey.fromBuffer(scriptSig.chunks[1])
hashType = parsed.hashType
pubKeys = [pubKey]
signatures = [parsed.signature]
break
case 'multisig':
parsed = scriptSig.chunks.slice(1).filter(function(chunk) {
return chunk !== ops.OP_0
}).map(ECSignature.parseScriptSignature)
hashType = parsed[0].hashType
pubKeys = []
signatures = parsed.map(function(p) { return p.signature })
break
case 'pubkey':
parsed = ECSignature.parseScriptSignature(scriptSig.chunks[0])
hashType = parsed.hashType
pubKeys = []
signatures = [parsed.signature]
break
default:
assert(false, scriptType + ' inputs not supported')
}
txb.signatures[i] = {
hashType: hashType,
pubKeys: pubKeys,
redeemScript: redeemScript,
scriptType: scriptType,
signatures: signatures
}
}) })
return txb return txb
} }
// Operations
TransactionBuilder.prototype.addInput = function(prevTx, index, sequence, prevOutScript) { TransactionBuilder.prototype.addInput = function(prevTx, index, sequence, prevOutScript) {
var prevOutHash var prevOutHash
@ -125,151 +145,220 @@ TransactionBuilder.prototype.addInput = function(prevTx, index, sequence, prevOu
} }
var prevOutType var input = {}
if (prevOutScript !== undefined) { if (prevOutScript) {
prevOutType = scripts.classifyOutput(prevOutScript) var prevOutType = scripts.classifyOutput(prevOutScript)
assert.notEqual(prevOutType, 'nonstandard', 'PrevOutScript not supported (nonstandard)') // if we can, extract pubKey information
switch (prevOutType) {
case 'multisig':
input.pubKeys = prevOutScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer)
break
case 'pubkey':
input.pubKeys = prevOutScript.chunks.slice(0, 1).map(ECPubKey.fromBuffer)
break
}
if (prevOutType !== 'scripthash') {
input.scriptType = prevOutType
}
input.prevOutScript = prevOutScript
input.prevOutType = prevOutType
} }
assert(this.signatures.every(function(input) { assert(this.inputs.every(function(input2) {
return input.hashType & Transaction.SIGHASH_ANYONECANPAY if (input2.hashType === undefined) return true
return input2.hashType & Transaction.SIGHASH_ANYONECANPAY
}), 'No, this would invalidate signatures') }), 'No, this would invalidate signatures')
var prevOut = prevOutHash.toString('hex') + ':' + index var prevOut = prevOutHash.toString('hex') + ':' + index
assert(!(prevOut in this.prevOutMap), 'Transaction is already an input') assert(!(prevOut in this.prevTxMap), 'Transaction is already an input')
var vout = this.tx.addInput(prevOutHash, index, sequence) var vin = this.tx.addInput(prevOutHash, index, sequence)
this.prevOutMap[prevOut] = true this.inputs[vin] = input
this.prevOutScripts[vout] = prevOutScript this.prevTxMap[prevOut] = vin
this.prevOutTypes[vout] = prevOutType
return vout return vin
} }
TransactionBuilder.prototype.addOutput = function(scriptPubKey, value) { TransactionBuilder.prototype.addOutput = function(scriptPubKey, value) {
assert(this.signatures.every(function(signature) { assert(this.inputs.every(function(input) {
return (signature.hashType & 0x1f) === Transaction.SIGHASH_SINGLE if (input.hashType === undefined) return true
return (input.hashType & 0x1f) === Transaction.SIGHASH_SINGLE
}), 'No, this would invalidate signatures') }), 'No, this would invalidate signatures')
return this.tx.addOutput(scriptPubKey, value) return this.tx.addOutput(scriptPubKey, value)
} }
TransactionBuilder.prototype.build = function() { TransactionBuilder.prototype.build = function() { return this.__build(false) }
return this.__build(false) TransactionBuilder.prototype.buildIncomplete = function() { return this.__build(true) }
}
TransactionBuilder.prototype.buildIncomplete = function() { var canSignTypes = { 'pubkeyhash': true, 'multisig': true, 'pubkey': true }
return this.__build(true)
}
TransactionBuilder.prototype.__build = function(allowIncomplete) { TransactionBuilder.prototype.__build = function(allowIncomplete) {
if (!allowIncomplete) { if (!allowIncomplete) {
assert(this.tx.ins.length > 0, 'Transaction has no inputs') assert(this.tx.ins.length > 0, 'Transaction has no inputs')
assert(this.tx.outs.length > 0, 'Transaction has no outputs') assert(this.tx.outs.length > 0, 'Transaction has no outputs')
assert(this.signatures.length > 0, 'Transaction has no signatures')
assert.equal(this.signatures.length, this.tx.ins.length, 'Transaction is missing signatures')
} }
var tx = this.tx.clone() var tx = this.tx.clone()
// Create script signatures from signature meta-data // Create script signatures from signature meta-data
this.signatures.forEach(function(input, index) { this.inputs.forEach(function(input, index) {
var scriptSig
var scriptType = input.scriptType var scriptType = input.scriptType
var scriptSig
var signatures = input.signatures.map(function(signature) { if (!allowIncomplete) {
return signature.toScriptSignature(input.hashType) assert(!!scriptType, 'Transaction is not complete')
}) assert(scriptType in canSignTypes, scriptType + ' not supported')
assert(input.signatures, 'Transaction is missing signatures')
switch (scriptType) {
case 'pubkeyhash':
var signature = signatures[0]
var pubKey = input.pubKeys[0]
scriptSig = scripts.pubKeyHashInput(signature, pubKey)
break
case 'multisig':
var redeemScript = allowIncomplete ? undefined : input.redeemScript
scriptSig = scripts.multisigInput(signatures, redeemScript)
break
case 'pubkey':
var signature = signatures[0]
scriptSig = scripts.pubKeyInput(signature)
break
default:
assert(false, scriptType + ' not supported')
} }
if (input.redeemScript) { if (input.signatures) {
scriptSig = scripts.scriptHashInput(scriptSig, input.redeemScript) switch (scriptType) {
case 'pubkeyhash':
var pkhSignature = input.signatures[0].toScriptSignature(input.hashType)
scriptSig = scripts.pubKeyHashInput(pkhSignature, input.pubKeys[0])
break
case 'multisig':
// Array.prototype.map is sparse-compatible
var msSignatures = input.signatures.map(function(signature) {
return signature.toScriptSignature(input.hashType)
})
// fill in blanks with OP_0
for (var i = 0; i < msSignatures.length; ++i) {
if (msSignatures[i]) continue
msSignatures[i] = ops.OP_0
}
var redeemScript = allowIncomplete ? undefined : input.redeemScript
scriptSig = scripts.multisigInput(msSignatures, redeemScript)
break
case 'pubkey':
var pkSignature = input.signatures[0].toScriptSignature(input.hashType)
scriptSig = scripts.pubKeyInput(pkSignature)
break
}
} }
tx.setInputScript(index, scriptSig) // did we build a scriptSig?
if (scriptSig) {
// wrap as scriptHash if necessary
if (input.prevOutType === 'scripthash') {
scriptSig = scripts.scriptHashInput(scriptSig, input.redeemScript)
}
tx.setInputScript(index, scriptSig)
}
}) })
return tx return tx
} }
TransactionBuilder.prototype.sign = function(index, privKey, redeemScript, hashType) { TransactionBuilder.prototype.sign = function(index, privKey, redeemScript, hashType) {
assert(this.tx.ins.length >= index, 'No input at index: ' + index) assert(index in this.inputs, 'No input at index: ' + index)
hashType = hashType || Transaction.SIGHASH_ALL hashType = hashType || Transaction.SIGHASH_ALL
var prevOutScript = this.prevOutScripts[index] var input = this.inputs[index]
var prevOutType = this.prevOutTypes[index] var canSign = input.hashType &&
input.prevOutScript &&
input.prevOutType &&
input.pubKeys &&
input.scriptType &&
input.signatures
var scriptType, hash // are we almost ready to sign?
if (redeemScript) { if (canSign) {
prevOutScript = prevOutScript || scripts.scriptHashOutput(redeemScript.getHash()) // if redeemScript was provided, enforce consistency
prevOutType = prevOutType || 'scripthash' if (redeemScript) {
assert.deepEqual(input.redeemScript, redeemScript, 'Inconsistent redeemScript')
assert.equal(prevOutType, 'scripthash', 'PrevOutScript must be P2SH')
scriptType = scripts.classifyOutput(redeemScript)
assert.notEqual(scriptType, 'scripthash', 'RedeemScript can\'t be P2SH')
assert.notEqual(scriptType, 'nonstandard', 'RedeemScript not supported (nonstandard)')
hash = this.tx.hashForSignature(index, redeemScript, hashType)
} else {
prevOutScript = prevOutScript || privKey.pub.getAddress().toOutputScript()
prevOutType = prevOutType || 'pubkeyhash'
assert.notEqual(prevOutType, 'scripthash', 'PrevOutScript is P2SH, missing redeemScript')
scriptType = prevOutType
hash = this.tx.hashForSignature(index, prevOutScript, hashType)
}
this.prevOutScripts[index] = prevOutScript
this.prevOutTypes[index] = prevOutType
if (!(index in this.signatures)) {
this.signatures[index] = {
hashType: hashType,
pubKeys: [],
redeemScript: redeemScript,
scriptType: scriptType,
signatures: []
} }
assert.equal(input.hashType, hashType, 'Inconsistent hashType')
// no? prepare
} else { } else {
assert.equal(scriptType, 'multisig', scriptType + ' doesn\'t support multiple signatures') if (redeemScript) {
// if we have a prevOutScript, enforce scriptHash equality to the redeemScript
if (input.prevOutScript) {
assert.equal(input.prevOutType, 'scripthash', 'PrevOutScript must be P2SH')
var scriptHash = input.prevOutScript.chunks[1]
assert.deepEqual(scriptHash, redeemScript.getHash(), 'RedeemScript does not match ' + scriptHash.toString('hex'))
}
var scriptType = scripts.classifyOutput(redeemScript)
assert(scriptType in canSignTypes, 'RedeemScript not supported (' + scriptType + ')')
var pubKeys = []
switch (scriptType) {
case 'multisig':
pubKeys = redeemScript.chunks.slice(1, -2).map(ECPubKey.fromBuffer)
break
case 'pubkeyhash':
var pkh1 = redeemScript.chunks[2]
var pkh2 = privKey.pub.getAddress().hash
assert.deepEqual(pkh1, pkh2, 'privateKey cannot sign for this input')
pubKeys = [privKey.pub]
break
case 'pubkey':
pubKeys = redeemScript.chunks.slice(0, 1).map(ECPubKey.fromBuffer)
break
}
if (!input.prevOutScript) {
input.prevOutScript = scripts.scriptHashOutput(redeemScript.getHash())
input.prevOutType = 'scripthash'
}
input.pubKeys = pubKeys
input.redeemScript = redeemScript
input.scriptType = scriptType
} else {
assert.notEqual(input.prevOutType, 'scripthash', 'PrevOutScript is P2SH, missing redeemScript')
// can we sign this?
if (input.scriptType) {
assert(input.pubKeys, input.scriptType + ' not supported')
// we know nothin' Jon Snow, assume pubKeyHash
} else {
input.prevOutScript = privKey.pub.getAddress().toOutputScript()
input.prevOutType = 'pubkeyhash'
input.pubKeys = [privKey.pub]
input.scriptType = input.prevOutType
}
}
input.hashType = hashType
input.signatures = input.signatures || []
} }
var input = this.signatures[index] // enforce in order signing of public keys
assert.equal(input.hashType, hashType, 'Inconsistent hashType') assert(input.pubKeys.some(function(pubKey, i) {
assert.deepEqual(input.redeemScript, redeemScript, 'Inconsistent redeemScript') if (!privKey.pub.Q.equals(pubKey.Q)) return false
var signature = privKey.sign(hash) assert(!input.signatures[i], 'Signature already exists')
input.pubKeys.push(privKey.pub) var signatureScript = input.redeemScript || input.prevOutScript
input.signatures.push(signature) var signatureHash = this.tx.hashForSignature(index, signatureScript, hashType)
var signature = privKey.sign(signatureHash)
input.signatures[i] = signature
return true
}, this), 'privateKey cannot sign for this input')
} }
module.exports = TransactionBuilder module.exports = TransactionBuilder

403
test/fixtures/transaction_builder.json vendored
View file

@ -2,15 +2,16 @@
"valid": { "valid": {
"build": [ "build": [
{ {
"description": "pubKeyHash->pubKeyHash 1:1 transaction", "description": "Transaction w/ pubKeyHash -> pubKeyHash",
"txid": "bd641f4b0aa8bd70189ab45e935c4762f0e1c49f294b4779d79887937b7cf42e", "txHex": "0100000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff000000006b483045022100a3b254e1c10b5d039f36c05f323995d6e5a367d98dd78a13d5bbc3991b35720e022022fccea3897d594de0689601fbd486588d5bfa6915be2386db0397ee9a6e80b601210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798ffffffff0110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000",
"txhex": "0100000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff000000006b483045022100a3b254e1c10b5d039f36c05f323995d6e5a367d98dd78a13d5bbc3991b35720e022022fccea3897d594de0689601fbd486588d5bfa6915be2386db0397ee9a6e80b601210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798ffffffff0110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000",
"inputs": [ "inputs": [
{ {
"index": 0, "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 0,
"privKeys": [ "signs": [
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn" {
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn"
}
] ]
} }
], ],
@ -22,16 +23,17 @@
] ]
}, },
{ {
"description": "pubKey->pubKeyHash 1:1 transaction", "description": "Transaction w/ pubKey -> pubKeyHash",
"txid": "a900dea133a3c51e9fe55d82bf4a4f50a4c3ac6e380c841f93651a076573320c", "txHex": "0100000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000494830450221009833abb3ab49d7004c06bcc79eafd6905ada3eee91f3376ad388548034acd9a702202e84dda6ef2678c82256afcfc459aaa68e179b2bb0e6b2dc3f1410e132c5e6c301ffffffff0100f90295000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000",
"txhex": "0100000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000494830450221009833abb3ab49d7004c06bcc79eafd6905ada3eee91f3376ad388548034acd9a702202e84dda6ef2678c82256afcfc459aaa68e179b2bb0e6b2dc3f1410e132c5e6c301ffffffff0100f90295000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000",
"inputs": [ "inputs": [
{ {
"index": 0, "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 0,
"prevTxScript": "0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 OP_CHECKSIG", "prevTxScript": "0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798 OP_CHECKSIG",
"privKeys": [ "signs": [
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn" {
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn"
}
] ]
} }
], ],
@ -43,18 +45,21 @@
] ]
}, },
{ {
"description": "2-of-2 P2SH multisig -> pubKeyHash 1:1 Transaction", "description": "Transaction w/ scriptHash(multisig 2-of-2) -> pubKeyHash",
"txid": "8c500ce6eef6c78a10de923b68394cf31120151bdc4600e4b12de865defa9d24", "txHex": "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",
"txhex": "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",
"inputs": [ "inputs": [
{ {
"index": 0, "txId": "4971f016798a167331bcbc67248313fbc444c6e92e4416efd06964425588f5cf",
"prevTx": "4971f016798a167331bcbc67248313fbc444c6e92e4416efd06964425588f5cf", "vout": 0,
"privKeys": [ "signs": [
"91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx", {
"91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT" "privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx",
], "redeemScript": "OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG"
"redeemScript": "OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG" },
{
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT"
}
]
} }
], ],
"outputs": [ "outputs": [
@ -65,15 +70,64 @@
] ]
}, },
{ {
"description": "Transaction w/ non-zero vin inputs", "description": "Transaction w/ multisig 2-of-2 -> pubKeyHash",
"txid": "7d9b699f26765fdfdd598223a952a6e129f8c159e2e05e911af822ee743fa745", "txHex": "0100000001cff58855426469d0ef16442ee9c644c4fb13832467bcbc3173168a7916f07149000000009100473044022040039a3d0a806d6c2c0ac8a62f2467c979c897c945f3f11905b9c5ea76b4a88002200976f187f852f7d186e8e8aa39332092aa8a504b63a7ae3d0eca09ebea1497fd0147304402205522d1949d13347054bd5ea86cdcad2344f49628a935faaee8f5e744bd3ef87e022063a28ab077817222ccd7d5a70e77ed7274840b9ba8db5dd93a33bdd41813d54801ffffffff0110270000000000001976a914faf1d99bf040ea9c7f8cc9f14ac6733ad75ce24688ac00000000",
"txhex": "0100000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff010000006a47304402205c80bbb5125b35d5e5a8324b1336832d29a6fc004859c8a9ff6bef47ba7fc348022018612216e57a521b2c4543f1f4fd738a76814c37c074e88adfe12464fff31cf901210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798ffffffff0110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000",
"inputs": [ "inputs": [
{ {
"index": 1, "txId": "4971f016798a167331bcbc67248313fbc444c6e92e4416efd06964425588f5cf",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 0,
"privKeys": [ "prevTxScript": "OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG",
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn" "signs": [
{
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx"
},
{
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT"
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 faf1d99bf040ea9c7f8cc9f14ac6733ad75ce246 OP_EQUALVERIFY OP_CHECKSIG",
"value": 10000
}
]
},
{
"description": "Transaction w/ scriptHash(pubKey) -> pubKeyHash",
"txHex": "0100000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff000000006c47304402201115644b134932c8a7a8e925769d130a801288d477130e2bf6fadda20b33754d02202ecefbf63844d7cb2d5868539c39f973fe019f72e5c31a707836c0d61ef317db012321033e29aea1168a835d5e386c292082db7b7807172a10ec634ad34226f36d79e70facffffffff0100f90295000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 0,
"prevTxScript": "OP_HASH160 e89677d91455e541630d62c63718bef738b478b1 OP_EQUAL",
"signs": [
{
"privKey": "KxLDMPtVM7sLSu2v5n1LybDibw6P9FFbL4pUwJ51UDm7rp5AmXWW",
"redeemScript": "033e29aea1168a835d5e386c292082db7b7807172a10ec634ad34226f36d79e70f OP_CHECKSIG"
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 2500000000
}
]
},
{
"description": "Transaction w/ non-zero vin inputs",
"txHex": "0100000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff010000006a47304402205c80bbb5125b35d5e5a8324b1336832d29a6fc004859c8a9ff6bef47ba7fc348022018612216e57a521b2c4543f1f4fd738a76814c37c074e88adfe12464fff31cf901210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798ffffffff0110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 1,
"signs": [
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn"
}
] ]
} }
], ],
@ -86,17 +140,18 @@
}, },
{ {
"description": "Transaction w/ non-default input sequence numbers, version and locktime", "description": "Transaction w/ non-default input sequence numbers, version and locktime",
"txid": "4503038f144af7b0c11fad6e09cf8deb4ef04645d203e1c90b86f25b7b243fe8", "txHex": "0400000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff020000006b483045022100c5bcd521df085481e2dcc2c0f14173043f0fa2001dca582b45186a95d248d28002204c571eabcec1410bd53a7da29b9da6b4c858c3fdabbfdb110a030c507ff5bc0501210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798b9c220000110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac09990400",
"txhex": "0400000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff020000006b483045022100c5bcd521df085481e2dcc2c0f14173043f0fa2001dca582b45186a95d248d28002204c571eabcec1410bd53a7da29b9da6b4c858c3fdabbfdb110a030c507ff5bc0501210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798b9c220000110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac09990400",
"version": 4, "version": 4,
"locktime": 301321, "locktime": 301321,
"inputs": [ "inputs": [
{ {
"index": 2, "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 2,
"sequence": 2147001, "sequence": 2147001,
"privKeys": [ "signs": [
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn" {
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn"
}
] ]
} }
], ],
@ -125,20 +180,21 @@
"exception": "Transaction has no outputs", "exception": "Transaction has no outputs",
"inputs": [ "inputs": [
{ {
"index": 0, "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 0,
"privKeys": [] "signs": []
} }
], ],
"outputs": [] "outputs": []
}, },
{ {
"exception": "Transaction has no signatures", "description": "Incomplete transaction, nothing assumed",
"exception": "Transaction is not complete",
"inputs": [ "inputs": [
{ {
"index": 0, "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 0,
"privKeys": [] "signs": []
} }
], ],
"outputs": [ "outputs": [
@ -149,19 +205,247 @@
] ]
}, },
{ {
"description": "Incomplete transaction w/ prevTxScript defined",
"exception": "Transaction is missing signatures", "exception": "Transaction is missing signatures",
"alwaysThrows": true,
"inputs": [ "inputs": [
{ {
"index": 0, "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 0,
"privKeys": [ "signs": [
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn" {
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn"
}
] ]
}, },
{ {
"index": 1, "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 1,
"privKeys": [] "prevTxScript": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"signs": []
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"description": "Complete transaction w/ non-standard inputs",
"exception": "nonstandard not supported",
"txHex": "010000000100000000171a0000e028f2000000000050178500000000000d0000000e000000000000002009f691b2263260e71f363d1db51ff3100d285956a40cc0e4f8c8c2c4a80559b1ffffffff0110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000"
}
],
"sign": [
{
"description": "Too many signatures - pubKeyHash",
"exception": "Signature already exists",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 1,
"signs": [
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn"
},
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn",
"throws": true
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"exception": "RedeemScript not supported \\(nulldata\\)",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 1,
"signs": [
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn",
"redeemScript": "OP_RETURN 06deadbeef03f895a2ad89fb6d696497af486cb7c644a27aa568c7a18dd06113401115185474",
"throws": true
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"exception": "PrevOutScript is P2SH, missing redeemScript",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 1,
"prevTxScript": "OP_HASH160 7f67f0521934a57d3039f77f9f32cf313f3ac74b OP_EQUAL",
"signs": [
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn",
"throws": true
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"exception": "Inconsistent redeemScript",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 0,
"signs": [
{
"redeemScript": "OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG",
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx"
},
{
"redeemScript": "OP_1 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG",
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT",
"throws": true
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"exception": "Inconsistent hashType",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 0,
"signs": [
{
"redeemScript": "OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG",
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx",
"hashType": 4
},
{
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT",
"hashType": 2,
"throws": true
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"exception": "RedeemScript not supported \\(scripthash\\)",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 1,
"signs": [
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn",
"redeemScript": "OP_HASH160 7f67f0521934a57d3039f77f9f32cf313f3ac74b OP_EQUAL",
"throws": true
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"exception": "PrevOutScript must be P2SH",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 1,
"prevTxScript": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"signs": [
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn",
"redeemScript": "OP_1 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 OP_1 OP_CHECKMULTISIG",
"throws": true
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"description": "Too many signatures - scriptHash(multisig 1-of-1)",
"exception": "Signature already exists",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 1,
"signs": [
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn",
"redeemScript": "OP_1 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 OP_1 OP_CHECKMULTISIG"
},
{
"privKey": "KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn",
"throws": true
}
]
}
],
"outputs": [
{
"script": "OP_DUP OP_HASH160 aa4d7985c57e011a8b3dd8e0e5a73aaef41629c5 OP_EQUALVERIFY OP_CHECKSIG",
"value": 1000
}
]
},
{
"description": "Wrong private key for multisig redeemScript",
"exception": "privateKey cannot sign for this input",
"inputs": [
{
"txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"vout": 1,
"signs": [
{
"privKey": "KzrA86mCVMGWnLGBQu9yzQa32qbxb5dvSK4XhyjjGAWSBKYX4rHx",
"redeemScript": "OP_1 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 OP_1 OP_CHECKMULTISIG",
"throws": true
}
]
} }
], ],
"outputs": [ "outputs": [
@ -175,11 +459,14 @@
"exception": "nulldata not supported", "exception": "nulldata not supported",
"inputs": [ "inputs": [
{ {
"index": 0, "txId": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
"prevTx": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "vout": 0,
"prevTxScript": "OP_RETURN 06deadbeef03f895a2ad89fb6d696497af486cb7c644a27aa568c7a18dd06113401115185474", "prevTxScript": "OP_RETURN 06deadbeef03f895a2ad89fb6d696497af486cb7c644a27aa568c7a18dd06113401115185474",
"privKeys": [ "signs": [
"KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn" {
"privKey": "KzrA86mCVMGWnLGBQu9yzQa32qbxb5dvSK4XhyjjGAWSBKYX4rHx",
"throws": true
}
] ]
} }
], ],
@ -194,11 +481,7 @@
"fromTransaction": [ "fromTransaction": [
{ {
"exception": "coinbase inputs not supported", "exception": "coinbase inputs not supported",
"hex": "01000000010000000000000000000000000000000000000000000000000000000000000000000000006b483045022100a3b254e1c10b5d039f36c05f323995d6e5a367d98dd78a13d5bbc3991b35720e022022fccea3897d594de0689601fbd486588d5bfa6915be2386db0397ee9a6e80b601210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798ffffffff0110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000" "txHex": "01000000010000000000000000000000000000000000000000000000000000000000000000000000006b483045022100a3b254e1c10b5d039f36c05f323995d6e5a367d98dd78a13d5bbc3991b35720e022022fccea3897d594de0689601fbd486588d5bfa6915be2386db0397ee9a6e80b601210279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798ffffffff0110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000"
},
{
"exception": "nonstandard inputs not supported",
"hex": "0100000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000000023aa206fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d619000000000087ffffffff0110270000000000001976a914aa4d7985c57e011a8b3dd8e0e5a73aaef41629c588ac00000000"
} }
] ]
} }

245
test/transaction_builder.js
View file

@ -1,5 +1,4 @@
var assert = require('assert') var assert = require('assert')
var scripts = require('../src/scripts')
var BigInteger = require('bigi') var BigInteger = require('bigi')
var ECKey = require('../src/eckey') var ECKey = require('../src/eckey')
@ -9,6 +8,43 @@ var TransactionBuilder = require('../src/transaction_builder')
var fixtures = require('./fixtures/transaction_builder') var fixtures = require('./fixtures/transaction_builder')
function construct(txb, f, sign) {
f.inputs.forEach(function(input) {
var prevTxScript
if (input.prevTxScript) {
prevTxScript = Script.fromASM(input.prevTxScript)
}
txb.addInput(input.txId, input.vout, input.sequence, prevTxScript)
})
f.outputs.forEach(function(output) {
var script = Script.fromASM(output.script)
txb.addOutput(script, output.value)
})
if (sign === undefined || sign) {
f.inputs.forEach(function(input, index) {
input.signs.forEach(function(sign) {
var privKey = ECKey.fromWIF(sign.privKey)
var redeemScript
if (sign.redeemScript) {
redeemScript = Script.fromASM(sign.redeemScript)
}
txb.sign(index, privKey, redeemScript, sign.hashType)
})
})
}
// FIXME: add support for locktime/version in TransactionBuilder API
if (f.version !== undefined) txb.tx.version = f.version
if (f.locktime !== undefined) txb.tx.locktime = f.locktime
}
describe('TransactionBuilder', function() { describe('TransactionBuilder', function() {
var privAddress, privScript var privAddress, privScript
var prevTx, prevTxHash var prevTx, prevTxHash
@ -33,33 +69,33 @@ describe('TransactionBuilder', function() {
var vin = txb.addInput(prevTxHash, 1, 54) var vin = txb.addInput(prevTxHash, 1, 54)
assert.equal(vin, 0) assert.equal(vin, 0)
var txin = txb.tx.ins[0] var txIn = txb.tx.ins[0]
assert.equal(txin.hash, prevTxHash) assert.equal(txIn.hash, prevTxHash)
assert.equal(txin.index, 1) assert.equal(txIn.index, 1)
assert.equal(txin.sequence, 54) assert.equal(txIn.sequence, 54)
assert.equal(txb.prevOutScripts[0], undefined) assert.equal(txb.inputs[0].prevOutScript, undefined)
}) })
it('accepts a txHash, index [, sequence number and scriptPubKey]', function() { it('accepts a txHash, index [, sequence number and scriptPubKey]', function() {
var vin = txb.addInput(prevTxHash, 1, 54, prevTx.outs[1].script) var vin = txb.addInput(prevTxHash, 1, 54, prevTx.outs[1].script)
assert.equal(vin, 0) assert.equal(vin, 0)
var txin = txb.tx.ins[0] var txIn = txb.tx.ins[0]
assert.equal(txin.hash, prevTxHash) assert.equal(txIn.hash, prevTxHash)
assert.equal(txin.index, 1) assert.equal(txIn.index, 1)
assert.equal(txin.sequence, 54) assert.equal(txIn.sequence, 54)
assert.equal(txb.prevOutScripts[0], prevTx.outs[1].script) assert.equal(txb.inputs[0].prevOutScript, prevTx.outs[1].script)
}) })
it('accepts a prevTx, index [and sequence number]', function() { it('accepts a prevTx, index [and sequence number]', function() {
var vin = txb.addInput(prevTx, 1, 54) var vin = txb.addInput(prevTx, 1, 54)
assert.equal(vin, 0) assert.equal(vin, 0)
var txin = txb.tx.ins[0] var txIn = txb.tx.ins[0]
assert.deepEqual(txin.hash, prevTxHash) assert.deepEqual(txIn.hash, prevTxHash)
assert.equal(txin.index, 1) assert.equal(txIn.index, 1)
assert.equal(txin.sequence, 54) assert.equal(txIn.sequence, 54)
assert.equal(txb.prevOutScripts[0], prevTx.outs[1].script) assert.equal(txb.inputs[0].prevOutScript, prevTx.outs[1].script)
}) })
it('returns the input index', function() { it('returns the input index', function() {
@ -67,12 +103,6 @@ describe('TransactionBuilder', function() {
assert.equal(txb.addInput(prevTxHash, 1), 1) assert.equal(txb.addInput(prevTxHash, 1), 1)
}) })
it('throws if prevOutScript is not supported', function() {
assert.throws(function() {
txb.addInput(prevTxHash, 0, undefined, Script.EMPTY)
}, /PrevOutScript not supported \(nonstandard\)/)
})
it('throws if SIGHASH_ALL has been used to sign any existing scriptSigs', function() { it('throws if SIGHASH_ALL has been used to sign any existing scriptSigs', function() {
txb.addInput(prevTxHash, 0) txb.addInput(prevTxHash, 0)
txb.sign(0, privKey) txb.sign(0, privKey)
@ -96,152 +126,65 @@ describe('TransactionBuilder', function() {
}) })
describe('sign', function() { describe('sign', function() {
describe('when prevOutScript is undefined', function() { fixtures.invalid.sign.forEach(function(f) {
it('assumes pubKeyHash', function() { it('throws on ' + f.exception + ' (' + f.description + ')', function() {
txb.addInput(prevTxHash, 0) construct(txb, f, false)
txb.sign(0, privKey)
assert.strictEqual(txb.signatures[0].redeemScript, undefined) f.inputs.forEach(function(input, index) {
assert.equal(txb.signatures[0].scriptType, 'pubkeyhash') input.signs.forEach(function(sign) {
}) var privKey = ECKey.fromWIF(sign.privKey)
}) var redeemScript
it('throws if scriptType doesn\'t support multiple signatures', function() { if (sign.redeemScript) {
txb.addInput(prevTxHash, 0) redeemScript = Script.fromASM(sign.redeemScript)
txb.sign(0, privKey) }
assert.throws(function() { if (!sign.throws) {
txb.sign(0, privKey) txb.sign(index, privKey, redeemScript, sign.hashType)
}, /pubkeyhash doesn\'t support multiple signatures/)
})
describe('when redeemScript is undefined', function() { } else {
it('throws if prevOutScript is P2SH', function() { assert.throws(function() {
var privScriptP2SH = scripts.scriptHashOutput(privScript.getHash()) txb.sign(index, privKey, redeemScript, sign.hashType)
}, new RegExp(f.exception))
txb.addInput(prevTxHash, 0, undefined, privScriptP2SH) }
})
assert.throws(function() { })
txb.sign(0, privKey)
}, /PrevOutScript is P2SH, missing redeemScript/)
})
})
describe('when redeemScript is defined', function() {
it('assumes scriptHash', function() {
txb.addInput(prevTxHash, 0)
txb.sign(0, privKey, privScript)
assert.equal(txb.signatures[0].redeemScript, privScript)
})
it('throws if prevOutScript is not P2SH', function() {
txb.addInput(prevTx, 0)
assert.throws(function() {
txb.sign(0, privKey, privScript)
}, /PrevOutScript must be P2SH/)
})
it('throws if redeemScript is P2SH', function() {
txb.addInput(prevTxHash, 0)
var privScriptP2SH = scripts.scriptHashOutput(privScript.getHash())
assert.throws(function() {
txb.sign(0, privKey, privScriptP2SH)
}, /RedeemScript can\'t be P2SH/)
})
it('throws if redeemScript not supported', function() {
txb.addInput(prevTxHash, 0)
assert.throws(function() {
txb.sign(0, privKey, Script.EMPTY)
}, /RedeemScript not supported \(nonstandard\)/)
}) })
}) })
}) })
describe('build', function() { describe('build', function() {
fixtures.valid.build.forEach(function(f) { fixtures.valid.build.forEach(function(f) {
it('builds the correct transaction', function() { it('builds \"' + f.description + '\"', function() {
f.inputs.forEach(function(input) { construct(txb, f)
var prevTxScript
if (input.prevTxScript) {
prevTxScript = Script.fromASM(input.prevTxScript)
}
txb.addInput(input.prevTx, input.index, input.sequence, prevTxScript)
})
f.outputs.forEach(function(output) {
var script = Script.fromASM(output.script)
txb.addOutput(script, output.value)
})
f.inputs.forEach(function(input, index) {
var redeemScript
if (input.redeemScript) {
redeemScript = Script.fromASM(input.redeemScript)
}
input.privKeys.forEach(function(wif) {
var privKey = ECKey.fromWIF(wif)
txb.sign(index, privKey, redeemScript)
})
})
// FIXME: add support for locktime/version in TransactionBuilder API
if (f.version !== undefined) txb.tx.version = f.version
if (f.locktime !== undefined) txb.tx.locktime = f.locktime
var tx = txb.build() var tx = txb.build()
assert.equal(tx.toHex(), f.txHex)
assert.equal(tx.getId(), f.txid)
assert.equal(tx.toHex(), f.txhex)
}) })
}) })
fixtures.invalid.build.forEach(function(f) { fixtures.invalid.build.forEach(function(f) {
it('throws on ' + f.exception, function() { describe('for ' + (f.description || f.exception), function() {
f.inputs.forEach(function(input) { beforeEach(function() {
var prevTxScript if (f.txHex) {
var tx = Transaction.fromHex(f.txHex)
txb = TransactionBuilder.fromTransaction(tx)
if (input.prevTxScript) { } else {
prevTxScript = Script.fromASM(input.prevTxScript) construct(txb, f)
} }
txb.addInput(input.prevTx, input.index, input.sequence, prevTxScript)
}) })
f.outputs.forEach(function(output) { it('throws', function() {
var script = Script.fromASM(output.script) assert.throws(function() {
txb.build()
txb.addOutput(script, output.value) }, new RegExp(f.exception))
}) })
f.inputs.forEach(function(input, index) { if (f.alwaysThrows) return
var redeemScript it('doesn\'t throw if building incomplete', function() {
txb.buildIncomplete()
if (input.redeemScript) {
redeemScript = Script.fromASM(input.redeemScript)
}
input.privKeys.forEach(function(wif) {
var privKey = ECKey.fromWIF(wif)
txb.sign(index, privKey, redeemScript)
})
}) })
assert.throws(function() {
txb.build()
}, new RegExp(f.exception))
}) })
}) })
}) })
@ -249,16 +192,16 @@ describe('TransactionBuilder', function() {
describe('fromTransaction', function() { describe('fromTransaction', function() {
fixtures.valid.build.forEach(function(f) { fixtures.valid.build.forEach(function(f) {
it('builds the correct TransactionBuilder for ' + f.description, function() { it('builds the correct TransactionBuilder for ' + f.description, function() {
var tx = Transaction.fromHex(f.txhex) var tx = Transaction.fromHex(f.txHex)
var txb = TransactionBuilder.fromTransaction(tx) var txb = TransactionBuilder.fromTransaction(tx)
assert.equal(txb.build().toHex(), f.txhex) assert.equal(txb.build().toHex(), f.txHex)
}) })
}) })
fixtures.invalid.fromTransaction.forEach(function(f) { fixtures.invalid.fromTransaction.forEach(function(f) {
it('throws on ' + f.exception, function() { it('throws on ' + f.exception, function() {
var tx = Transaction.fromHex(f.hex) var tx = Transaction.fromHex(f.txHex)
assert.throws(function() { assert.throws(function() {
TransactionBuilder.fromTransaction(tx) TransactionBuilder.fromTransaction(tx)
@ -266,10 +209,10 @@ describe('TransactionBuilder', function() {
}) })
}) })
it('works for the P2SH multisig case', function() { it('works for the out-of-order P2SH multisig case', function() {
var privKeys = [ var privKeys = [
"91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx", "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT",
"91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT" "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx"
].map(ECKey.fromWIF) ].map(ECKey.fromWIF)
var redeemScript = Script.fromASM("OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG") var redeemScript = Script.fromASM("OP_2 0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 04c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe52a OP_2 OP_CHECKMULTISIG")