diff options
Diffstat (limited to 'src/script/interpreter.h')
| -rw-r--r-- | src/script/interpreter.h | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/script/interpreter.h b/src/script/interpreter.h index 50c747900a..2d21aa81df 100644 --- a/src/script/interpreter.h +++ b/src/script/interpreter.h @@ -111,6 +111,10 @@ enum // Public keys in segregated witness scripts must be compressed // SCRIPT_VERIFY_WITNESS_PUBKEYTYPE = (1U << 15), + + // Making OP_CODESEPARATOR and FindAndDelete fail any non-segwit scripts + // + SCRIPT_VERIFY_CONST_SCRIPTCODE = (1U << 16), }; bool CheckSignatureEncoding(const std::vector<unsigned char> &vchSig, unsigned int flags, ScriptError* serror); @@ -120,7 +124,8 @@ struct PrecomputedTransactionData uint256 hashPrevouts, hashSequence, hashOutputs; bool ready = false; - explicit PrecomputedTransactionData(const CTransaction& tx); + template <class T> + explicit PrecomputedTransactionData(const T& tx); }; enum class SigVersion @@ -133,7 +138,8 @@ enum class SigVersion static constexpr size_t WITNESS_V0_SCRIPTHASH_SIZE = 32; static constexpr size_t WITNESS_V0_KEYHASH_SIZE = 20; -uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache = nullptr); +template <class T> +uint256 SignatureHash(const CScript& scriptCode, const T& txTo, unsigned int nIn, int nHashType, const CAmount& amount, SigVersion sigversion, const PrecomputedTransactionData* cache = nullptr); class BaseSignatureChecker { @@ -156,10 +162,11 @@ public: virtual ~BaseSignatureChecker() {} }; -class TransactionSignatureChecker : public BaseSignatureChecker +template <class T> +class GenericTransactionSignatureChecker : public BaseSignatureChecker { private: - const CTransaction* txTo; + const T* txTo; unsigned int nIn; const CAmount amount; const PrecomputedTransactionData* txdata; @@ -168,21 +175,15 @@ protected: virtual bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const; public: - TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(nullptr) {} - TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, const PrecomputedTransactionData& txdataIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(&txdataIn) {} + GenericTransactionSignatureChecker(const T* txToIn, unsigned int nInIn, const CAmount& amountIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(nullptr) {} + GenericTransactionSignatureChecker(const T* txToIn, unsigned int nInIn, const CAmount& amountIn, const PrecomputedTransactionData& txdataIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(&txdataIn) {} bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const override; bool CheckLockTime(const CScriptNum& nLockTime) const override; bool CheckSequence(const CScriptNum& nSequence) const override; }; -class MutableTransactionSignatureChecker : public TransactionSignatureChecker -{ -private: - const CTransaction txTo; - -public: - MutableTransactionSignatureChecker(const CMutableTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn) : TransactionSignatureChecker(&txTo, nInIn, amountIn), txTo(*txToIn) {} -}; +using TransactionSignatureChecker = GenericTransactionSignatureChecker<CTransaction>; +using MutableTransactionSignatureChecker = GenericTransactionSignatureChecker<CMutableTransaction>; bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, unsigned int flags, const BaseSignatureChecker& checker, SigVersion sigversion, ScriptError* error = nullptr); bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CScriptWitness* witness, unsigned int flags, const BaseSignatureChecker& checker, ScriptError* serror = nullptr); |