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TxBuilder: add support for RSBuffer type keyPairs and .publicKey

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This commit is contained in:
Daniel Cousens 2017-10-19 11:22:17 +11:00
parent b94da10e6c
commit a868d27407
2 changed files with 22 additions and 4 deletions

13
src/transaction_builder.js
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@ -667,7 +667,8 @@ function canSign (input) {
}
TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashType, witnessValue, witnessScript) {
if (keyPair.network !== this.network) throw new Error('Inconsistent network')
// TODO: remove keyPair.network matching in 4.0.0
if (keyPair.network && keyPair.network !== this.network) throw new TypeError('Inconsistent network')
if (!this.inputs[vin]) throw new Error('No input at index: ' + vin)
hashType = hashType || Transaction.SIGHASH_ALL
@ -680,7 +681,7 @@ TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashTy
throw new Error('Inconsistent redeemScript')
}
var kpPubKey = keyPair.getPublicKeyBuffer()
var kpPubKey = keyPair.publicKey || keyPair.getPublicKeyBuffer()
if (!canSign(input)) {
if (witnessValue !== undefined) {
if (input.value !== undefined && input.value !== witnessValue) throw new Error('Input didn\'t match witnessValue')
@ -699,14 +700,18 @@ TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashTy
} else {
signatureHash = this.tx.hashForSignature(vin, input.signScript, hashType)
}
// enforce in order signing of public keys
var signed = input.pubKeys.some(function (pubKey, i) {
if (!kpPubKey.equals(pubKey)) return false
if (input.signatures[i]) throw new Error('Signature already exists')
if (!keyPair.compressed &&
if (kpPubKey.length !== 33 &&
input.signType === scriptTypes.P2WPKH) throw new Error('BIP143 rejects uncompressed public keys in P2WPKH or P2WSH')
input.signatures[i] = keyPair.sign(signatureHash).toScriptSignature(hashType)
var signature = keyPair.sign(signatureHash)
if (Buffer.isBuffer(signature)) signature = ECSignature.fromRSBuffer(signature)
input.signatures[i] = signature.toScriptSignature(hashType)
return true
})