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Show First 20 Lines • Show All 922 Lines • ▼ Show 20 Lines	try {
return set_error(		return set_error(
serror, SCRIPT_ERR_INVALID_STACK_OPERATION);		serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
}		}

valtype &vchSig = stacktop(-3);		valtype &vchSig = stacktop(-3);
valtype &vchMessage = stacktop(-2);		valtype &vchMessage = stacktop(-2);
valtype &vchPubKey = stacktop(-1);		valtype &vchPubKey = stacktop(-1);

// The size of the message must be 32 bytes.
if (vchMessage.size() != 32) {
return set_error(serror,
SCRIPT_ERR_INVALID_OPERAND_SIZE);
}

if (!CheckDataSignatureEncoding(vchSig, flags,		if (!CheckDataSignatureEncoding(vchSig, flags,
serror) \|\|		serror) \|\|
!CheckPubKeyEncoding(vchPubKey, flags, serror)) {		!CheckPubKeyEncoding(vchPubKey, flags, serror)) {
// serror is set		// serror is set
return false;		return false;
}		}

bool fSuccess = false;		bool fSuccess = false;
if (vchSig.size()) {		if (vchSig.size()) {
uint256 message(vchMessage);		CHashWriter ss(SER_GETHASH, 0);
		ss << vchMessage;
		uint256 message = ss.GetHash();
CPubKey pubkey(vchPubKey);		CPubKey pubkey(vchPubKey);
fSuccess = pubkey.Verify(message, vchSig);		fSuccess = pubkey.Verify(message, vchSig);
}		}

if (!fSuccess && (flags & SCRIPT_VERIFY_NULLFAIL) &&		if (!fSuccess && (flags & SCRIPT_VERIFY_NULLFAIL) &&
vchSig.size()) {		vchSig.size()) {
return set_error(serror, SCRIPT_ERR_SIG_NULLFAIL);		return set_error(serror, SCRIPT_ERR_SIG_NULLFAIL);
}		}
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