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36 lines
1.1 KiB
36 lines
1.1 KiB
import 'package:fast_rsa/model/bridge.pb.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:sqflite/sqflite.dart';
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import 'package:fast_rsa/rsa.dart';
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import 'package:loc_chain_app/util/keyfile_manager.dart';
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import 'dart:io';
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class Transaction {
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Transaction({required this.hash}) {
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SharedPreferences.getInstance().then((s) => _id = s.getString('id') ?? '0');
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}
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late final String _id;
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final String hash;
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static Future<String> makeTransactionHash(String otherUserId) async {
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String id = await SharedPreferences.getInstance()
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.then((s) => s.getString('id') ?? '');
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bool idLess = id.compareTo(otherUserId) < 0;
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var lesser = idLess ? id : otherUserId;
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var greater = idLess ? otherUserId : id;
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return RSA.signPKCS1v15("$lesser-$greater", Hash.HASH_SHA256,
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KeyFileManager.keyPair.privateKey);
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}
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}
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class TransactionsDBManager {
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static Future<Database> get _localFile async {
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return openDatabase('transactions.db');
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}
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static Future<List<Transaction>?> readTransactions() async {}
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static Future<void> writeKeyPair(KeyPair pair) async {}
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}
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