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only freeze incoming notification utxos, but put warning on change outputs of sent notification txns

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julian 2024-01-14 16:03:31 -06:00
parent 8c91439c52
commit 4d2ca3708d
1 changed files with 21 additions and 8 deletions
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29
lib/wallets/wallet/wallet_mixin_interfaces/paynym_interface.dart
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@ -1144,7 +1144,7 @@ mixin PaynymInterface<T extends PaynymCurrencyInterface>
publicKey: [],
derivationIndex: 0,
derivationPath: null,
type: AddressType.unknown,
type: AddressType.nonWallet,
subType: AddressSubType.paynymNotification,
otherData: await storeCode(code.toString()),
);
@ -1711,11 +1711,13 @@ mixin PaynymInterface<T extends PaynymCurrencyInterface>
) async {
bool blocked = false;
String? blockedReason;
String? utxoLabel;
// check for bip47 notification
if (jsonTX != null) {
// check for bip47 notification
final outputs = jsonTX["vout"] as List;
for (final output in outputs) {
for (int i = 0; i < outputs.length; i++) {
final output = outputs[i];
List<String>? scriptChunks =
(output['scriptPubKey']?['asm'] as String?)?.split(" ");
if (scriptChunks?.length == 2 && scriptChunks?[0] == "OP_RETURN") {
@ -1724,16 +1726,27 @@ mixin PaynymInterface<T extends PaynymCurrencyInterface>
// https://en.bitcoin.it/wiki/BIP_0047#Sending
if (bytes.length == 80 && bytes.first == 1) {
blocked = true;
blockedReason = "Paynym notification output. Incautious "
"handling of outputs from notification transactions "
"may cause unintended loss of privacy.";
final myNotificationAddress = await getMyNotificationAddress();
if (utxoOwnerAddress == myNotificationAddress.value) {
blocked = true;
blockedReason = "Incoming paynym notification transaction.";
} else {
blockedReason = "Paynym notification change output. Incautious "
"handling of change outputs from notification transactions "
"may cause unintended loss of privacy.";
utxoLabel = blockedReason;
}
break;
}
}
}
}
return (blockedReason: blockedReason, blocked: blocked, utxoLabel: null);
return (
blockedReason: blockedReason,
blocked: blocked,
utxoLabel: utxoLabel
);
}
}