Differential D1666 Diff 4620 src/script/interpreter.h

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src/script/interpreter.h

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	uint256 SignatureHash(const CScript &scriptCode, const CTransaction &txTo,			uint256 SignatureHash(const CScript &scriptCode, const CTransaction &txTo,
	unsigned int nIn, SigHashType sigHashType,			unsigned int nIn, SigHashType sigHashType,
	const Amount amount,			const Amount amount,
	const PrecomputedTransactionData *cache = nullptr,			const PrecomputedTransactionData *cache = nullptr,
	uint32_t flags = SCRIPT_ENABLE_SIGHASH_FORKID);			uint32_t flags = SCRIPT_ENABLE_SIGHASH_FORKID);

	class BaseSignatureChecker {			class BaseSignatureChecker {
	public:			public:
				virtual bool VerifySignature(const std::vector<uint8_t> &vchSig,
				const CPubKey &vchPubKey,
				const uint256 &sighash) const;

	virtual bool CheckSig(const std::vector<uint8_t> &scriptSig,			virtual bool CheckSig(const std::vector<uint8_t> &scriptSig,
	const std::vector<uint8_t> &vchPubKey,			const std::vector<uint8_t> &vchPubKey,
	const CScript &scriptCode, uint32_t flags) const {			const CScript &scriptCode, uint32_t flags) const {
	return false;			return false;
	}			}

	virtual bool CheckLockTime(const CScriptNum &nLockTime) const {			virtual bool CheckLockTime(const CScriptNum &nLockTime) const {
	return false;			return false;
	}			}

	virtual bool CheckSequence(const CScriptNum &nSequence) const {			virtual bool CheckSequence(const CScriptNum &nSequence) const {
	return false;			return false;
	}			}

	virtual ~BaseSignatureChecker() {}			virtual ~BaseSignatureChecker() {}
	};			};

	class TransactionSignatureChecker : public BaseSignatureChecker {			class TransactionSignatureChecker : public BaseSignatureChecker {
	private:			private:
	const CTransaction *txTo;			const CTransaction *txTo;
	unsigned int nIn;			unsigned int nIn;
	const Amount amount;			const Amount amount;
	const PrecomputedTransactionData *txdata;			const PrecomputedTransactionData *txdata;

	protected:
	virtual bool VerifySignature(const std::vector<uint8_t> &vchSig,
	const CPubKey &vchPubKey,
	const uint256 &sighash) const;

	public:			public:
	TransactionSignatureChecker(const CTransaction *txToIn, unsigned int nInIn,			TransactionSignatureChecker(const CTransaction *txToIn, unsigned int nInIn,
	const Amount amountIn)			const Amount amountIn)
	: txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(nullptr) {}			: txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(nullptr) {}
	TransactionSignatureChecker(const CTransaction *txToIn, unsigned int nInIn,			TransactionSignatureChecker(const CTransaction *txToIn, unsigned int nInIn,
	const Amount amountIn,			const Amount amountIn,
	const PrecomputedTransactionData &txdataIn)			const PrecomputedTransactionData &txdataIn)
	: txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(&txdataIn) {}			: txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(&txdataIn) {}

				// The overriden functions are now final.
	bool CheckSig(const std::vector<uint8_t> &scriptSig,			bool CheckSig(const std::vector<uint8_t> &scriptSig,
	const std::vector<uint8_t> &vchPubKey,			const std::vector<uint8_t> &vchPubKey,
	const CScript &scriptCode, uint32_t flags) const override;			const CScript &scriptCode,
	bool CheckLockTime(const CScriptNum &nLockTime) const override;			uint32_t flags) const final override;
	bool CheckSequence(const CScriptNum &nSequence) const override;			bool CheckLockTime(const CScriptNum &nLockTime) const final override;
				bool CheckSequence(const CScriptNum &nSequence) const final override;
	};			};

	class MutableTransactionSignatureChecker : public TransactionSignatureChecker {			class MutableTransactionSignatureChecker : public TransactionSignatureChecker {
	private:			private:
	const CTransaction txTo;			const CTransaction txTo;

	public:			public:
	MutableTransactionSignatureChecker(const CMutableTransaction *txToIn,			MutableTransactionSignatureChecker(const CMutableTransaction *txToIn,
	Show All 12 Lines