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Show First 20 Lines • Show All 1,065 Lines • ▼ Show 20 Lines	try {
}		}

// A bug causes CHECKMULTISIG to consume one extra		// A bug causes CHECKMULTISIG to consume one extra
// argument whose contents were not checked in any way.		// argument whose contents were not checked in any way.
//		//
// Unfortunately this is a potential source of		// Unfortunately this is a potential source of
// mutability, so optionally verify it is exactly equal		// mutability, so optionally verify it is exactly equal
// to zero prior to removing it from the stack.		// to zero prior to removing it from the stack.
if (stack.size() < 1) {
return set_error(
serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
}
if ((flags & SCRIPT_VERIFY_NULLDUMMY) &&		if ((flags & SCRIPT_VERIFY_NULLDUMMY) &&
stacktop(-1).size()) {		stacktop(-1).size()) {
return set_error(serror, SCRIPT_ERR_SIG_NULLDUMMY);		return set_error(serror, SCRIPT_ERR_SIG_NULLDUMMY);
}		}
popstack(stack);		popstack(stack);

stack.push_back(fSuccess ? vchTrue : vchFalse);		stack.push_back(fSuccess ? vchTrue : vchFalse);

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