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TransactionBuilder: flatten inconsistency checks

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This commit is contained in:
Daniel Cousens 2016-10-12 10:52:33 +11:00 committed by Daniel Cousens
parent 088f08020e
commit 090b8177d1
1 changed files with 11 additions and 7 deletions
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18
src/transaction_builder.js
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@ -462,13 +462,17 @@ TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashTy
var input = this.inputs[vin]
// if redeemScript was provided, enforce consistency
if (input.redeemScript !== undefined && redeemScript) {
if (!input.redeemScript.equals(redeemScript)) throw new Error('Inconsistent redeemScript')
// if redeemScript was previously provided, enforce consistency
if (input.redeemScript !== undefined &&
redeemScript &&
!input.redeemScript.equals(redeemScript)) {
throw new Error('Inconsistent redeemScript')
}
if (input.hashType !== undefined) {
if (input.hashType !== hashType) throw new Error('Inconsistent hashType')
// if hashType was previously provided, enforce consistency
if (input.hashType !== undefined &&
input.hashType !== hashType) {
throw new Error('Inconsistent hashType')
}
var kpPubKey = keyPair.getPublicKeyBuffer()
@ -483,7 +487,7 @@ TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashTy
var signatureHash = this.tx.hashForSignature(vin, hashScript, hashType)
// enforce in order signing of public keys
var valid = input.pubKeys.some(function (pubKey, i) {
var signed = input.pubKeys.some(function (pubKey, i) {
if (!kpPubKey.equals(pubKey)) return false
if (input.signatures[i]) throw new Error('Signature already exists')
@ -491,7 +495,7 @@ TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashTy
return true
})
if (!valid) throw new Error('Key pair cannot sign for this input')
if (!signed) throw new Error('Key pair cannot sign for this input')
}
TransactionBuilder.prototype.__canModifyInputs = function () {