TxBuilder: extract isCoinbaseHash function
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906accdc0f
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1 changed files with 15 additions and 17 deletions
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@ -7,20 +7,13 @@ var ECSignature = require('./ecsignature')
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var Script = require('./script')
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var Transaction = require('./transaction')
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function TransactionBuilder() {
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this.prevOutMap = {}
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this.prevOutScripts = {}
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this.prevOutTypes = {}
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this.signatures = []
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this.tx = new Transaction()
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function isCoinbase(txHash) {
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return Array.prototype.every.call(txHash, function(x) {
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return x === 0
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})
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}
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function extractSignature(txIn) {
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assert(!Array.prototype.every.call(txIn.hash, function(x) {
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return x === 0
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}), 'coinbase inputs not supported')
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var redeemScript
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var scriptSig = txIn.script
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var scriptType = scripts.classifyInput(scriptSig, true)
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@ -81,7 +74,15 @@ function extractSignature(txIn) {
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}
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}
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// Static constructors
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function TransactionBuilder() {
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this.prevOutMap = {}
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this.prevOutScripts = {}
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this.prevOutTypes = {}
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this.signatures = []
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this.tx = new Transaction()
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}
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TransactionBuilder.fromTransaction = function(transaction) {
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var txb = new TransactionBuilder()
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@ -101,10 +102,8 @@ TransactionBuilder.fromTransaction = function(transaction) {
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// Extract/add signatures
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txb.signatures = transaction.ins.map(function(txIn) {
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// Coinbase inputs not supported
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assert(!Array.prototype.every.call(txIn.hash, function(x) {
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return x === 0
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}), 'coinbase inputs not supported')
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// TODO: remove me after testcase added
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assert(!isCoinbase(txIn.hash), 'coinbase inputs not supported')
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// Ignore empty scripts
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if (txIn.script.buffer.length === 0) return
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@ -115,7 +114,6 @@ TransactionBuilder.fromTransaction = function(transaction) {
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return txb
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}
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// Operations
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TransactionBuilder.prototype.addInput = function(prevTx, index, sequence, prevOutScript) {
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var prevOutHash
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