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82 lines
2.5 KiB
82 lines
2.5 KiB
import 'package:cake_wallet/bitcoin/bitcoin_amount_format.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:bitcoin_flutter/src/payments/index.dart' show PaymentData;
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import 'package:cake_wallet/src/domain/common/transaction_direction.dart';
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import 'package:cake_wallet/src/domain/common/transaction_info.dart';
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class BitcoinTransactionInfo extends TransactionInfo {
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BitcoinTransactionInfo(
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{@required this.id,
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@required int height,
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@required int amount,
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@required TransactionDirection direction,
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@required bool isPending,
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@required DateTime date}) {
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this.height = height;
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this.amount = amount;
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this.direction = direction;
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this.date = date;
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this.isPending = isPending;
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}
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factory BitcoinTransactionInfo.fromHexAndHeader(
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String hex, Map<String, Object> header,
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{List<String> addresses}) {
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final tx = bitcoin.Transaction.fromHex(hex);
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var exist = false;
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var amount = 0;
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tx.outs.forEach((out) {
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try {
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final p2pkh = bitcoin.P2PKH(
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data: PaymentData(output: out.script), network: bitcoin.bitcoin);
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exist = addresses.contains(p2pkh.data.address);
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if (exist) {
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amount += out.value;
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}
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} catch (_) {}
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});
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// FIXME: Get transaction is pending
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return BitcoinTransactionInfo(
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id: tx.getId(),
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height: header['block_height'] as int,
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isPending: false,
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direction: TransactionDirection.incoming,
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amount: amount,
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date: DateTime.fromMillisecondsSinceEpoch(
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(header['timestamp'] as int) * 1000));
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}
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factory BitcoinTransactionInfo.fromJson(Map<String, dynamic> data) {
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return BitcoinTransactionInfo(
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id: data['id'] as String,
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height: data['height'] as int,
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amount: data['amount'] as int,
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direction: parseTransactionDirectionFromInt(data['direction'] as int),
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date: DateTime.fromMillisecondsSinceEpoch(data['date'] as int),
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isPending: data['isPending'] as bool);
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}
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final String id;
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@override
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String amountFormatted() => bitcoinAmountToString(amount: amount);
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@override
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String fiatAmount() => '\$ 24.5';
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Map<String, dynamic> toJson() {
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final m = Map<String, dynamic>();
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m['id'] = id;
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m['height'] = height;
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m['amount'] = amount;
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m['direction'] = direction.index;
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m['date'] = date.millisecondsSinceEpoch;
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m['isPending'] = isPending;
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return m;
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}
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}
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