Differential D3968 Diff 11369 src/script/interpreter.cpp

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src/script/interpreter.cpp

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	#define altstacktop(i) (altstack.at(altstack.size() + (i)))			#define altstacktop(i) (altstack.at(altstack.size() + (i)))
	static inline void popstack(std::vector<valtype> &stack) {			static inline void popstack(std::vector<valtype> &stack) {
	if (stack.empty()) {			if (stack.empty()) {
	throw std::runtime_error("popstack(): stack empty");			throw std::runtime_error("popstack(): stack empty");
	}			}
	stack.pop_back();			stack.pop_back();
	}			}

				int FindAndDelete(CScript &script, const CScript &b) {
				int nFound = 0;
				if (b.empty()) {
				return nFound;
				}

				CScript result;
				CScript::const_iterator pc = script.begin(), pc2 = script.begin(),
				end = script.end();
				opcodetype opcode;
				do {
				result.insert(result.end(), pc2, pc);
				while (static_cast<size_t>(end - pc) >= b.size() &&
				std::equal(b.begin(), b.end(), pc)) {
				pc = pc + b.size();
				++nFound;
				}
				pc2 = pc;
				} while (script.GetOp(pc, opcode));

				if (nFound > 0) {
				result.insert(result.end(), pc2, end);
				script = std::move(result);
				}

				return nFound;
				}

	static void CleanupScriptCode(CScript &scriptCode,			static void CleanupScriptCode(CScript &scriptCode,
	const std::vector<uint8_t> &vchSig,			const std::vector<uint8_t> &vchSig,
	uint32_t flags) {			uint32_t flags) {
	// Drop the signature in scripts when SIGHASH_FORKID is not used.			// Drop the signature in scripts when SIGHASH_FORKID is not used.
	SigHashType sigHashType = GetHashType(vchSig);			SigHashType sigHashType = GetHashType(vchSig);
	if (!(flags & SCRIPT_ENABLE_SIGHASH_FORKID) \|\| !sigHashType.hasForkId()) {			if (!(flags & SCRIPT_ENABLE_SIGHASH_FORKID) \|\| !sigHashType.hasForkId()) {
	scriptCode.FindAndDelete(CScript(vchSig));			FindAndDelete(scriptCode, CScript(vchSig));
	}			}
	}			}

	static bool IsOpcodeDisabled(opcodetype opcode, uint32_t flags) {			static bool IsOpcodeDisabled(opcodetype opcode, uint32_t flags) {
	switch (opcode) {			switch (opcode) {
	case OP_INVERT:			case OP_INVERT:
	case OP_2MUL:			case OP_2MUL:
	case OP_2DIV:			case OP_2DIV:
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