commit
718661df2c
2 changed files with 28 additions and 16 deletions
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@ -16,7 +16,7 @@ var REVERSE_OPS = (function () {
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var OP_INT_BASE = OPS.OP_RESERVED // OP_1 - 1
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function toASM (chunks) {
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if (types.Buffer(chunks)) {
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if (Buffer.isBuffer(chunks)) {
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chunks = decompile(chunks)
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}
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@ -43,7 +43,7 @@ function fromASM (asm) {
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function compile (chunks) {
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// TODO: remove me
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if (types.Buffer(chunks)) return chunks
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if (Buffer.isBuffer(chunks)) return chunks
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typeforce(types.Array, chunks)
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@ -208,13 +208,16 @@ TransactionBuilder.prototype.addInput = function (txHash, vout, sequence, prevOu
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input.prevOutType = prevOutType
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}
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var valid = this.inputs.every(function (input2) {
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if (input2.hashType === undefined) return true
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// if signatures exist, adding inputs is only acceptable if SIGHASH_ANYONECANPAY is used
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// throw if any signatures *didn't* use SIGHASH_ANYONECANPAY
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if (!this.inputs.every(function (otherInput) {
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// no signature
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if (otherInput.hashType === undefined) return true
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return input2.hashType & Transaction.SIGHASH_ANYONECANPAY
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})
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if (!valid) throw new Error('No, this would invalidate signatures')
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return otherInput.hashType & Transaction.SIGHASH_ANYONECANPAY
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})) {
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throw new Error('No, this would invalidate signatures')
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}
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var prevOut = txHash.toString('hex') + ':' + vout
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if (this.prevTxMap[prevOut]) throw new Error('Transaction is already an input')
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@ -227,23 +230,32 @@ TransactionBuilder.prototype.addInput = function (txHash, vout, sequence, prevOu
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}
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TransactionBuilder.prototype.addOutput = function (scriptPubKey, value) {
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var tx = this.tx
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var valid = this.inputs.every(function (input, index) {
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var nOutputs = this.tx.outs.length
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// if signatures exist, adding outputs is only acceptable if SIGHASH_NONE or SIGHASH_SINGLE is used
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// throws if any signatures didn't use SIGHASH_NONE|SIGHASH_SINGLE
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if (!this.inputs.every(function (input, index) {
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// no signature
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if (input.hashType === undefined) return true
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var hashType = input.hashType & 0x1f
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return hashType === Transaction.SIGHASH_NONE ||
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(hashType === Transaction.SIGHASH_SINGLE && index < tx.outs.length)
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})
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var hashTypeMod = input.hashType & 0x1f
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if (hashTypeMod === Transaction.SIGHASH_NONE) return true
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if (hashTypeMod === Transaction.SIGHASH_SINGLE) {
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// account for SIGHASH_SINGLE signing of a non-existing output, aka the "SIGHASH_SINGLE" bug
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return index < nOutputs
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}
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if (!valid) throw new Error('No, this would invalidate signatures')
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return false
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})) {
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throw new Error('No, this would invalidate signatures')
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}
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// Attempt to get a script if it's a base58 address string
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if (typeof scriptPubKey === 'string') {
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scriptPubKey = baddress.toOutputScript(scriptPubKey, this.network)
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}
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return tx.addOutput(scriptPubKey, value)
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return this.tx.addOutput(scriptPubKey, value)
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}
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TransactionBuilder.prototype.build = function () {
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