Differential D1608 Diff 4464 src/script/interpreter.cpp

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src/script/interpreter.cpp

Show First 20 Lines • Show All 85 Lines • ▼ Show 20 Lines	bool fEnabledOpCodesMagnetic =
(flags & SCRIPT_ENABLE_MAGNETIC_OPCODES) != 0;		(flags & SCRIPT_ENABLE_MAGNETIC_OPCODES) != 0;

if (fEnabledOpCodesMagnetic) {		if (fEnabledOpCodesMagnetic) {
switch (opcode) {		switch (opcode) {
case OP_INVERT:		case OP_INVERT:
return true;		return true;

case OP_2MUL:		case OP_2MUL:
return true;		return false;

case OP_2DIV:		case OP_2DIV:
return true;		return false;

case OP_MUL:		case OP_MUL:
return true;		return true;

case OP_LSHIFT:		case OP_LSHIFT:
return true;		return true;

case OP_RSHIFT:		case OP_RSHIFT:
Show All 21 Lines	static bool IsOpcodeDisabled(opcodetype opcode, uint32_t flags) {
return false;		return false;
}		}

bool EvalScript(std::vector<valtype> &stack, const CScript &script,		bool EvalScript(std::vector<valtype> &stack, const CScript &script,
uint32_t flags, const BaseSignatureChecker &checker,		uint32_t flags, const BaseSignatureChecker &checker,
ScriptError *serror) {		ScriptError *serror) {
static const CScriptNum bnZero(0);		static const CScriptNum bnZero(0);
static const CScriptNum bnOne(1);		static const CScriptNum bnOne(1);
		static const CScriptNum bnTwo(2);
static const valtype vchFalse(0);		static const valtype vchFalse(0);
static const valtype vchTrue(1, 1);		static const valtype vchTrue(1, 1);

CScript::const_iterator pc = script.begin();		CScript::const_iterator pc = script.begin();
CScript::const_iterator pend = script.end();		CScript::const_iterator pend = script.end();
CScript::const_iterator pbegincodehash = script.begin();		CScript::const_iterator pbegincodehash = script.begin();
opcodetype opcode;		opcodetype opcode;
valtype vchPushValue;		valtype vchPushValue;
▲ Show 20 Lines • Show All 541 Lines • ▼ Show 20 Lines	try {
}		}
break;		break;

//		//
// Numeric		// Numeric
//		//
case OP_1ADD:		case OP_1ADD:
case OP_1SUB:		case OP_1SUB:
		case OP_2MUL:
		case OP_2DIV:
case OP_NEGATE:		case OP_NEGATE:
case OP_ABS:		case OP_ABS:
case OP_NOT:		case OP_NOT:
case OP_0NOTEQUAL: {		case OP_0NOTEQUAL: {
// (in -- out)		// (in -- out)
if (stack.size() < 1) {		if (stack.size() < 1) {
return set_error(		return set_error(
serror, SCRIPT_ERR_INVALID_STACK_OPERATION);		serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
}		}
CScriptNum bn(stacktop(-1), fRequireMinimal);		CScriptNum bn(stacktop(-1), fRequireMinimal);
switch (opcode) {		switch (opcode) {
case OP_1ADD:		case OP_1ADD:
bn += bnOne;		bn += bnOne;
break;		break;
case OP_1SUB:		case OP_1SUB:
bn -= bnOne;		bn -= bnOne;
break;		break;
		case OP_2MUL:
		bn = bn * bnTwo;
		break;
		case OP_2DIV:
		bn = bn / bnTwo;
		break;
case OP_NEGATE:		case OP_NEGATE:
bn = -bn;		bn = -bn;
break;		break;
case OP_ABS:		case OP_ABS:
if (bn < bnZero) {		if (bn < bnZero) {
bn = -bn;		bn = -bn;
}		}
break;		break;
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