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Add spent processing

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Hector Chu 2024-04-23 00:26:34 +01:00
parent b07c3d8a54
commit 4fc1de8cb6
1 changed files with 50 additions and 0 deletions
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50
cw_bitcoin/lib/litecoin_wallet.dart
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@ -1,5 +1,6 @@
import 'dart:async';
import 'package:convert/convert.dart';
import 'package:crypto/crypto.dart';
import 'package:bitcoin_base/bitcoin_base.dart';
import 'package:cw_bitcoin/bitcoin_mnemonic.dart';
import 'package:cw_bitcoin/bitcoin_transaction_priority.dart';
@ -137,9 +138,20 @@ abstract class LitecoinWalletBase extends ElectrumWallet with Store {
syncStatus = SyncedSyncStatus();
}
});
processMwebUtxos();
}
final Map<String, Utxo> mwebUtxos = {};
Future<void> processMwebUtxos() async {
final stub = await CwMweb.stub();
final scanSecret = mwebHd.derive(0x80000000).privKey!;
final req = UtxosRequest(scanSecret: hex.decode(scanSecret));
await for (var utxo in stub.utxos(req)) {
final mwebAddrs = (walletAddresses as LitecoinWalletAddresses).mwebAddrs;
if (!mwebAddrs.contains(utxo.address)) continue;
mwebUtxos[utxo.outputId] = utxo;
final status = await stub.status(StatusRequest());
var date = DateTime.now();
var confirmations = 0;
@ -160,6 +172,44 @@ abstract class LitecoinWalletBase extends ElectrumWallet with Store {
}
}
Future<void> checkMwebUtxosSpent() async {
final List<String> outputIds = [];
mwebUtxos.forEach((outputId, utxo) {
if (utxo.height > 0)
outputIds.add(outputId);
});
final stub = await CwMweb.stub();
final resp = await stub.spent(SpentRequest(outputId: outputIds));
final spent = resp.outputId;
if (spent.isEmpty) return;
final status = await stub.status(StatusRequest());
final height = await electrumClient.getCurrentBlockChainTip();
if (height == null || status.mwebUtxosHeight != height) return;
final date = await electrumClient.getBlockTime(height: height);
int amount = 0;
Set<String> inputAddresses = {};
var output = AccumulatorSink<Digest>();
var input = sha256.startChunkedConversion(output);
for (final outputId in spent) {
input.add(hex.decode(outputId));
amount += mwebUtxos[outputId]!.value.toInt();
inputAddresses.add(mwebUtxos[outputId]!.address);
mwebUtxos.remove(outputId);
}
input.close();
var digest = output.events.single;
final tx = ElectrumTransactionInfo(WalletType.litecoin,
id: digest.toString(), height: height,
amount: amount, fee: 0,
direction: TransactionDirection.outgoing,
isPending: false,
date: date, confirmations: 1,
inputAddresses: inputAddresses.toList(),
outputAddresses: []);
transactionHistory.addOne(tx);
await transactionHistory.save();
}
@override
int feeRate(TransactionPriority priority) {
if (priority is LitecoinTransactionPriority) {