diff options
| -rw-r--r-- | src/rpc/rawtransaction.cpp | 7 | ||||
| -rw-r--r-- | src/script/sign.cpp | 8 | ||||
| -rw-r--r-- | src/script/sign.h | 3 |
3 files changed, 14 insertions, 4 deletions
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index 2fdbe38145..5df39f9ba4 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -1643,13 +1643,16 @@ UniValue finalizepsbt(const JSONRPCRequest& request) throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error)); } - // Get all of the previous transactions + // Finalize input signatures -- in case we have partial signatures that add up to a complete + // signature, but have not combined them yet (e.g. because the combiner that created this + // PartiallySignedTransaction did not understand them), this will combine them into a final + // script. bool complete = true; for (unsigned int i = 0; i < psbtx.tx->vin.size(); ++i) { PSBTInput& input = psbtx.inputs.at(i); SignatureData sigdata; - complete &= SignPSBTInput(DUMMY_SIGNING_PROVIDER, *psbtx.tx, input, sigdata, i, 1); + complete &= SignPSBTInput(DUMMY_SIGNING_PROVIDER, *psbtx.tx, input, sigdata, i, SIGHASH_ALL); } UniValue result(UniValue::VOBJ); diff --git a/src/script/sign.cpp b/src/script/sign.cpp index 190c0bf687..945e162355 100644 --- a/src/script/sign.cpp +++ b/src/script/sign.cpp @@ -233,10 +233,14 @@ bool ProduceSignature(const SigningProvider& provider, const BaseSignatureCreato return sigdata.complete; } +bool PSBTInputSigned(PSBTInput& input) +{ + return !input.final_script_sig.empty() || !input.final_script_witness.IsNull(); +} + bool SignPSBTInput(const SigningProvider& provider, const CMutableTransaction& tx, PSBTInput& input, SignatureData& sigdata, int index, int sighash) { - // if this input has a final scriptsig or scriptwitness, don't do anything with it - if (!input.final_script_sig.empty() || !input.final_script_witness.IsNull()) { + if (PSBTInputSigned(input)) { return true; } diff --git a/src/script/sign.h b/src/script/sign.h index 79cd6dc53f..ebc742c09d 100644 --- a/src/script/sign.h +++ b/src/script/sign.h @@ -714,6 +714,9 @@ bool ProduceSignature(const SigningProvider& provider, const BaseSignatureCreato bool SignSignature(const SigningProvider &provider, const CScript& fromPubKey, CMutableTransaction& txTo, unsigned int nIn, const CAmount& amount, int nHashType); bool SignSignature(const SigningProvider &provider, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType); +/** Checks whether a PSBTInput is already signed. */ +bool PSBTInputSigned(PSBTInput& input); + /** Signs a PSBTInput, verifying that all provided data matches what is being signed. */ bool SignPSBTInput(const SigningProvider& provider, const CMutableTransaction& tx, PSBTInput& input, SignatureData& sigdata, int index, int sighash = 1); |