diff options
| -rw-r--r-- | src/script/interpreter.cpp | 3 | ||||
| -rw-r--r-- | src/script/sign.cpp | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index 2b10f5b0df..abc0625bb1 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -1681,6 +1681,9 @@ bool GenericTransactionSignatureChecker<T>::CheckECDSASignature(const std::vecto int nHashType = vchSig.back(); vchSig.pop_back(); + // Witness sighashes need the amount. + if (sigversion == SigVersion::WITNESS_V0 && amount < 0) return HandleMissingData(m_mdb); + uint256 sighash = SignatureHash(scriptCode, *txTo, nIn, nHashType, amount, sigversion, this->txdata); if (!VerifyECDSASignature(vchSig, pubkey, sighash)) diff --git a/src/script/sign.cpp b/src/script/sign.cpp index fb3466f320..6426c8de59 100644 --- a/src/script/sign.cpp +++ b/src/script/sign.cpp @@ -26,6 +26,9 @@ bool MutableTransactionSignatureCreator::CreateSig(const SigningProvider& provid if (sigversion == SigVersion::WITNESS_V0 && !key.IsCompressed()) return false; + // Signing for witness scripts needs the amount. + if (sigversion == SigVersion::WITNESS_V0 && amount < 0) return false; + uint256 hash = SignatureHash(scriptCode, *txTo, nIn, nHashType, amount, sigversion); if (!key.Sign(hash, vchSig)) return false; |