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Differential D1090 Diff 3222 src/script/interpreter.cpp

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src/script/interpreter.cpp

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// //
case OP_AND: case OP_AND:
case OP_OR: case OP_OR:
case OP_XOR: { case OP_XOR: {
if (!fEnabledOpCodesMonolith) { if (!fEnabledOpCodesMonolith) {
// Disabled opcodes. // Disabled opcodes.
return set_error(serror, SCRIPT_ERR_DISABLED_OPCODE); return set_error(serror, SCRIPT_ERR_DISABLED_OPCODE);
} }
// (x1 x2 - out)
if (stack.size() < 2) {
return set_error(
serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
}
valtype &vch1 = stacktop(-2);
valtype &vch2 = stacktop(-1);
// throw error if inputs are not the same size
if (vch1.size() != vch2.size()) {
return set_error(
serror, SCRIPT_ERR_INVALID_BITWISE_LENGTH);
}
switch (opcode) {
case OP_AND:
for (size_t i=0; i<vch1.size(); ++i) {
vch1[i] &= vch2[i];
}
break;
case OP_OR:
for (size_t i=0; i<vch1.size(); ++i) {
vch1[i] |= vch2[i];
}
break;
case OP_XOR:
for (size_t i=0; i<vch1.size(); ++i) {
vch1[i] ^= vch2[i];
}
break;
default:
break;
}
stack.pop_back();
} break; } break;
case OP_EQUAL: case OP_EQUAL:
case OP_EQUALVERIFY: case OP_EQUALVERIFY:
// case OP_NOTEQUAL: // use OP_NUMNOTEQUAL // case OP_NOTEQUAL: // use OP_NUMNOTEQUAL
{ {
// (x1 x2 - bool) // (x1 x2 - bool)
if (stack.size() < 2) { if (stack.size() < 2) {
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