Differential D4940 Diff 15785 src/script/interpreter.cpp

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src/script/interpreter.cpp

Show First 20 Lines • Show All 1,744 Lines • ▼ Show 20 Lines	if ((flags & SCRIPT_VERIFY_P2SH) && scriptPubKey.IsPayToScriptHash()) {
popstack(stack);		popstack(stack);

// Bail out early if SCRIPT_DISALLOW_SEGWIT_RECOVERY is not set, the		// Bail out early if SCRIPT_DISALLOW_SEGWIT_RECOVERY is not set, the
// redeem script is a p2sh segwit program, and it was the only item		// redeem script is a p2sh segwit program, and it was the only item
// pushed onto the stack.		// pushed onto the stack.
if ((flags & SCRIPT_DISALLOW_SEGWIT_RECOVERY) == 0 && stack.empty() &&		if ((flags & SCRIPT_DISALLOW_SEGWIT_RECOVERY) == 0 && stack.empty() &&
pubKey2.IsWitnessProgram()) {		pubKey2.IsWitnessProgram()) {
// must set metricsOut for all successful returns		// must set metricsOut for all successful returns

		// Prior to activation of this flag, all transactions will count as
		// having a sigchecks count of 0 for accounting purposes outside of
		// VerifyScript.
		if (!(flags & SCRIPT_REPORT_SIGCHECKS)) {
		metrics.nSigChecks = 0;
		}
metricsOut = metrics;		metricsOut = metrics;
return set_success(serror);		return set_success(serror);
}		}

if (!EvalScript(stack, pubKey2, flags, checker, metrics, serror)) {		if (!EvalScript(stack, pubKey2, flags, checker, metrics, serror)) {
// serror is set		// serror is set
return false;		return false;
}		}
Show All 38 Lines	if (flags & SCRIPT_VERIFY_INPUT_SIGCHECKS) {
static_assert(INT_MAX / 43 / 3 > MAX_OPS_PER_SCRIPT,		static_assert(INT_MAX / 43 / 3 > MAX_OPS_PER_SCRIPT,
"overflow sanity check on maximum possible sigchecks "		"overflow sanity check on maximum possible sigchecks "
"from sig+redeem+pub scripts");		"from sig+redeem+pub scripts");
if (int(scriptSig.size()) < metrics.nSigChecks * 43 - 60) {		if (int(scriptSig.size()) < metrics.nSigChecks * 43 - 60) {
return set_error(serror, ScriptError::INPUT_SIGCHECKS);		return set_error(serror, ScriptError::INPUT_SIGCHECKS);
}		}
}		}

		// Prior to activation of this flag, all transactions will count as having a
		// sigchecks count of 0 for accounting purposes outside of VerifyScript.
		if (!(flags & SCRIPT_REPORT_SIGCHECKS)) {
		metrics.nSigChecks = 0;
		}

metricsOut = metrics;		metricsOut = metrics;
return set_success(serror);		return set_success(serror);
}		}