diff options
| author | Pieter Wuille <pieter.wuille@gmail.com> | 2014-09-10 14:42:22 +0200 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2014-10-02 20:26:16 +0200 |
| commit | c7829ea797c840dda7888ee860a50b7a3308069d (patch) | |
| tree | 55eafd1b6fef2ba1a5d3aa1aec9e0c6165091893 /src/script/interpreter.h | |
| parent | 6faee7942671141649b74e50908cb99cabc840e5 (diff) | |
| download | bitcoin-c7829ea797c840dda7888ee860a50b7a3308069d.tar.xz | |
Abstract out SignatureChecker
Diffstat (limited to 'src/script/interpreter.h')
| -rw-r--r-- | src/script/interpreter.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/src/script/interpreter.h b/src/script/interpreter.h index adca2142ac..f3fd49a3b6 100644 --- a/src/script/interpreter.h +++ b/src/script/interpreter.h @@ -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 |