Differential D1228 Diff 3343 src/script/interpreter.cpp

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src/script/interpreter.cpp

Show First 20 Lines • Show All 287 Lines • ▼ Show 20 Lines	if (data.size() <= 65535) {
// Could have used OP_PUSHDATA2.		// Could have used OP_PUSHDATA2.
return opcode == OP_PUSHDATA2;		return opcode == OP_PUSHDATA2;
}		}
return true;		return true;
}		}

static bool IsOpcodeDisabled(opcodetype opcode, uint32_t flags) {		static bool IsOpcodeDisabled(opcodetype opcode, uint32_t flags) {
switch (opcode) {		switch (opcode) {
case OP_SPLIT:
case OP_INVERT:		case OP_INVERT:
case OP_2MUL:		case OP_2MUL:
case OP_2DIV:		case OP_2DIV:
case OP_MUL:		case OP_MUL:
case OP_DIV:		case OP_DIV:
case OP_MOD:		case OP_MOD:
case OP_LSHIFT:		case OP_LSHIFT:
case OP_RSHIFT:		case OP_RSHIFT:
// Disabled opcodes.		// Disabled opcodes.
return true;		return true;

case OP_CAT:		case OP_CAT:
		case OP_SPLIT:
case OP_AND:		case OP_AND:
case OP_OR:		case OP_OR:
case OP_XOR:		case OP_XOR:
case OP_NUM2BIN:		case OP_NUM2BIN:
case OP_BIN2NUM:		case OP_BIN2NUM:
// Opcodes that have been reenabled.		// Opcodes that have been reenabled.
if ((flags & SCRIPT_ENABLE_MONOLITH_OPCODES) == 0) {		if ((flags & SCRIPT_ENABLE_MONOLITH_OPCODES) == 0) {
return true;		return true;
▲ Show 20 Lines • Show All 944 Lines • ▼ Show 20 Lines	try {
if (vch1.size() + vch2.size() >		if (vch1.size() + vch2.size() >
MAX_SCRIPT_ELEMENT_SIZE) {		MAX_SCRIPT_ELEMENT_SIZE) {
return set_error(serror, SCRIPT_ERR_PUSH_SIZE);		return set_error(serror, SCRIPT_ERR_PUSH_SIZE);
}		}
vch1.insert(vch1.end(), vch2.begin(), vch2.end());		vch1.insert(vch1.end(), vch2.begin(), vch2.end());
popstack(stack);		popstack(stack);
} break;		} break;

		case OP_SPLIT: {
		// (in position -- x1 x2)
		if (stack.size() < 2) {
		return set_error(
		serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
		}

		const valtype &data = stacktop(-2);

		// Make sure the split point is apropriate.
		uint64_t position =
		CScriptNum(stacktop(-1), fRequireMinimal).getint();
		if (position > data.size()) {
		return set_error(serror,
		SCRIPT_ERR_INVALID_SPLIT_RANGE);
		}

		// Prepare the results in their own buffer as `data`
		// will be invalidated.
		valtype n1(data.begin(), data.begin() + position);
		valtype n2(data.begin() + position, data.end());

		// Replace existing stack values by the new values.
		stacktop(-2) = std::move(n1);
		stacktop(-1) = std::move(n2);
		} break;

//		//
// Conversion operations		// Conversion operations
//		//
case OP_NUM2BIN: {		case OP_NUM2BIN: {
// (in size -- out)		// (in size -- out)
if (stack.size() < 2) {		if (stack.size() < 2) {
return set_error(		return set_error(
serror, SCRIPT_ERR_INVALID_STACK_OPERATION);		serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
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