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tests: refactor multisig test construction

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This commit is contained in:
Daniel Cousens 2015-03-11 11:51:01 +11:00
parent 7cd60aaba3
commit e80f4803d9
2 changed files with 33 additions and 38 deletions
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4
test/fixtures/transaction_builder.json vendored
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@ -442,10 +442,10 @@
"signs": [
{
"pubKeyIndex": 2,
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgx3cTMqe",
"removeOp0s": true
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgx3cTMqe"
},
{
"filterOP_0": true,
"pubKeyIndex": 0,
"privKey": "91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx"
}

67
test/transaction_builder.js
View file

@ -1,9 +1,11 @@
/* global describe, it, beforeEach */
var assert = require('assert')
var ops = require('../src/opcodes')
var scripts = require('../src/scripts')
var Address = require('../src/address')
var BigInteger = require('bigi')
var bitcoin = require('../src')
var ECKey = require('../src/eckey')
var Script = require('../src/script')
var Transaction = require('../src/transaction')
@ -225,51 +227,44 @@ describe('TransactionBuilder', function () {
describe('multisig', function () {
fixtures.valid.multisig.forEach(function (f) {
it(f.description, function () {
var signs = 0
f.inputs.forEach(function (input) {
txb.addInput(input.txId, input.vout)
signs = Math.max(signs, input.signs.length)
})
f.outputs.forEach(function (output) {
txb.addOutput(Script.fromASM(output.script), output.value)
})
construct(txb, f, false)
var tx
for (var i = 0; i < signs; i++) {
if (tx) {
txb = TransactionBuilder.fromTransaction(tx)
}
f.inputs.forEach(function (input, i) {
var redeemScript = Script.fromASM(input.redeemScript)
f.inputs.forEach(function (input, index) {
var privKey = bitcoin.ECKey.fromWIF(input.signs[i].privKey)
var redeemScript = bitcoin.Script.fromASM(input.redeemScript)
txb.sign(index, privKey, redeemScript)
})
input.signs.forEach(function (sign) {
// rebuild the transaction each-time after the first
if (tx) {
// do we filter OP_0's beforehand?
if (sign.filterOP_0) {
var scriptSig = tx.ins[i].script
tx = txb.buildIncomplete()
// ignore OP_0 on the front, ignore redeemScript
var signatures = scriptSig.chunks.slice(1, -1).filter(function(x) { return x !== ops.OP_0 })
f.inputs.forEach(function (input, index) {
assert(bitcoin.scripts.isCanonicalSignature(tx.ins[index].script.chunks[input.signs[i].pubKeyIndex + 1]))
assert(tx.ins[index].script.chunks.slice(1, -1).every(function (chunk) {
return chunk === bitcoin.opcodes.OP_0 || bitcoin.scripts.isCanonicalSignature(chunk)
}))
})
// rebuild/replace the scriptSig without them
var replacement = scripts.scriptHashInput(scripts.multisigInput(signatures), redeemScript)
tx.ins[i].script = replacement
}
// manually mess up the signatures
f.inputs.forEach(function (input, index) {
// remove all OP_0s
if (input.signs[i].removeOp0s) {
tx.ins[index].script.chunks = tx.ins[index].script.chunks.filter(function (chunk) {
return chunk !== bitcoin.opcodes.OP_0
})
// now import it
txb = TransactionBuilder.fromTransaction(tx)
}
// we removed one OP_0 too many, gotta add it back
tx.ins[index].script.chunks.unshift(bitcoin.opcodes.OP_0)
var privKey = ECKey.fromWIF(sign.privKey)
txb.sign(i, privKey, redeemScript, sign.hashType)
// update the tx
tx = txb.buildIncomplete()
// now verify the serialized transaction is as expected
if (sign.txHexIncomplete) {
assert.equal(txb.buildIncomplete(), sign.txHexIncomplete)
}
})
}
})
assert.equal(tx.toHex(), f.txHexIncomplete, 'txHexIncomplete')