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39 lines
1.2 KiB
39 lines
1.2 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:dbcrypt/dbcrypt.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, required this.pubKey});
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final String hash;
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final String pubKey;
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static Future<String> generateHash(String otherUserId) async {
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String id = await SharedPreferences.getInstance()
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.then((s) => s.getString('userName') ?? '');
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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 DBCrypt()
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.hashpw("$lesser-$greater", KeyFileManager.keyPair.privateKey);
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}
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Future<String> generateP2PPayload(String otherUserId) async =>
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"${await generateHash(otherUserId)}:${KeyFileManager.keyPair.publicKey}";
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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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