dash/blackcoin-more
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Abstract out SignatureChecker

Browse Source
This commit is contained in:
Pieter Wuille
2014-09-10 14:42:22 +02:00
parent 6faee79426
commit c7829ea797
4 changed files with 37 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/script/interpreter.h
View File

@@ -38,8 +38,30 @@ bool IsCanonicalPubKey(const std::vector<unsigned char> &vchPubKey, unsigned int
bool IsCanonicalSignature(const std::vector<unsigned char> &vchSig, unsigned int flags);
uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
bool CheckSig(std::vector<unsigned char> vchSig, const std::vector<unsigned char> &vchPubKey, const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int flags);
bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags);
bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags);
class SignatureChecker
{
private:
const CTransaction& txTo;
unsigned int nIn;
public:
SignatureChecker(const CTransaction& txToIn, unsigned int nInIn) : txTo(txToIn), nIn(nInIn) {}
bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, int nFlags) const;
};
bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, unsigned int flags, const SignatureChecker& checker);
bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, unsigned int flags, const SignatureChecker& checker);
// Wrappers using a default SignatureChecker.
bool inline EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags)
{
return EvalScript(stack, script, flags, SignatureChecker(txTo, nIn));
}
bool inline VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags)
{
return VerifyScript(scriptSig, scriptPubKey, flags, SignatureChecker(txTo, nIn));
}
#endif // H_BITCOIN_SCRIPT_INTERPRETER