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61 lines
1.9 KiB
61 lines
1.9 KiB
import 'package:cake_wallet/bitcoin/bitcoin_commit_transaction_exception.dart';
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import 'package:flutter/foundation.dart';
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import 'package:bitcoin_flutter/bitcoin_flutter.dart' as bitcoin;
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import 'package:cake_wallet/core/pending_transaction.dart';
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import 'package:cake_wallet/bitcoin/electrum.dart';
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import 'package:cake_wallet/bitcoin/bitcoin_amount_format.dart';
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import 'package:cake_wallet/bitcoin/electrum_transaction_info.dart';
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import 'package:cake_wallet/entities/transaction_direction.dart';
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import 'package:cake_wallet/entities/wallet_type.dart';
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class PendingBitcoinTransaction with PendingTransaction {
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PendingBitcoinTransaction(this._tx, this.type,
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{@required this.electrumClient,
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@required this.amount,
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@required this.fee})
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: _listeners = <void Function(ElectrumTransactionInfo transaction)>[];
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final WalletType type;
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final bitcoin.Transaction _tx;
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final ElectrumClient electrumClient;
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final int amount;
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final int fee;
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@override
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String get id => _tx.getId();
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@override
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String get amountFormatted => bitcoinAmountToString(amount: amount);
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@override
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String get feeFormatted => bitcoinAmountToString(amount: fee);
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final List<void Function(ElectrumTransactionInfo transaction)> _listeners;
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@override
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Future<void> commit() async {
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final result =
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await electrumClient.broadcastTransaction(transactionRaw: _tx.toHex());
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if (result.isEmpty) {
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throw BitcoinCommitTransactionException();
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}
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_listeners?.forEach((listener) => listener(transactionInfo()));
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}
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void addListener(
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void Function(ElectrumTransactionInfo transaction) listener) =>
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_listeners.add(listener);
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ElectrumTransactionInfo transactionInfo() => ElectrumTransactionInfo(type,
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id: id,
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height: 0,
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amount: amount,
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direction: TransactionDirection.outgoing,
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date: DateTime.now(),
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isPending: true,
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confirmations: 0,
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fee: fee);
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}
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