diff options
Diffstat (limited to 'src/script.h')
| -rw-r--r-- | src/script.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/script.h b/src/script.h index d490cd1824..f4db112dd6 100644 --- a/src/script.h +++ b/src/script.h @@ -452,7 +452,7 @@ public: memcpy(&nSize, &pc[0], 4); pc += 4; } - if (end() - pc < nSize) + if (end() - pc < 0 || (unsigned int)(end() - pc) < nSize) return false; if (pvchRet) pvchRet->assign(pc, pc + nSize); @@ -591,7 +591,14 @@ bool IsMine(const CKeyStore& keystore, const CScript& scriptPubKey); bool IsMine(const CKeyStore& keystore, const CTxDestination &dest); bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet); bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet); +bool SignSignature(const CKeyStore& keystore, const CScript& fromPubKey, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL); bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL); +bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, + bool fValidatePayToScriptHash, int nHashType); bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, bool fValidatePayToScriptHash, int nHashType); +// Given two sets of signatures for scriptPubKey, possibly with OP_0 placeholders, +// combine them intelligently and return the result. +CScript CombineSignatures(CScript scriptPubKey, const CTransaction& txTo, unsigned int nIn, const CScript& scriptSig1, const CScript& scriptSig2); + #endif |