@samitouri / QOSAMI-cakewallet
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1 import "package:cw_core/crypto_currency.dart";
2 import "package:cw_core/db/sqlite.dart";
3 import "package:sqflite/sqflite.dart";
4
5 class Erc20Token extends CryptoCurrency {
6 Erc20Token({
7 required this.name,
8 required this.symbol,
9 required this.contractAddress,
10 required this.decimal,
11 bool enabled = true,
12 this.iconPath,
13 this.tag,
14 this.isPotentialScam = false,
15 this.id = 0,
16 this.walletName,
17 this.chainId,
18 }) : _enabled = enabled,
19 super(
20 name: symbol.toLowerCase(),
21 title: symbol.toUpperCase(),
22 fullName: name,
23 tag: tag,
24 iconPath: iconPath,
25 decimals: decimal,
26 isPotentialScam: isPotentialScam,
27 );
28
29 Erc20Token.copyWith(
30 Erc20Token other, {
31 String? icon,
32 super.tag,
33 bool? enabled,
34 String? walletName,
35 int? chainId,
36 }) : name = other.name,
37 symbol = other.symbol,
38 contractAddress = other.contractAddress,
39 decimal = other.decimal,
40 _enabled = enabled ?? other.enabled,
41 tag = tag ?? other.tag,
42 iconPath = icon ?? other.iconPath,
43 isPotentialScam = other.isPotentialScam,
44 id = 0,
45 walletName = walletName ?? other.walletName,
46 chainId = chainId ?? other.chainId,
47 super(
48 name: other.name,
49 title: other.symbol.toUpperCase(),
50 fullName: other.name,
51 iconPath: icon,
52 decimals: other.decimal,
53 isPotentialScam: other.isPotentialScam,
54 );
55
56 Erc20Token.fromMap(Map<String, Object?> map)
57 : this(
58 name: map["name"] as String? ?? "",
59 symbol: map["symbol"] as String? ?? "",
60 contractAddress: map["contractAddress"] as String? ?? "",
61 decimal: (map["decimal"] ?? 0) as int,
62 enabled: _getBoolFromDB(map["enabled"], defaultValue: true),
63 iconPath: map["iconPath"] as String?,
64 tag: map["tag"] as String?,
65 isPotentialScam: _getBoolFromDB(map["isPotentialScam"]),
66 id: (map[selfIdColumn] ?? 0) as int,
67 walletName: map["walletName"] as String?,
68 chainId: map["chainId"] as int?,
69 );
70
71 @override
72 final String name;
73
74 @override
75 final String symbol;
76
77 @override
78 String? iconPath;
79
80 @override
81 final String? tag;
82
83 @override
84 bool isPotentialScam;
85
86 @override
87 bool get enabled => _enabled;
88
89 @override
90 set enabled(bool value) => _enabled = value;
91
92 int id;
93 int? chainId;
94 bool _enabled;
95 final int decimal;
96 String? walletName;
97 final String contractAddress;
98
99 static bool _getBoolFromDB(value, {bool? defaultValue}) {
100 if (value is bool) {
101 return value;
102 } else if (value is int) {
103 return value == 1;
104 } else {
105 return defaultValue ?? false;
106 }
107 }
108
109 Map<String, dynamic> toMap() => {
110 selfIdColumn: id,
111 "walletName": walletName,
112 "chainId": chainId,
113 "name": name,
114 "symbol": symbol,
115 "contractAddress": contractAddress.toLowerCase(),
116 "decimal": decimal,
117 "enabled": _enabled ? 1 : 0,
118 "iconPath": iconPath,
119 "tag": tag,
120 "isPotentialScam": isPotentialScam ? 1 : 0,
121 };
122
123 static String get tableName => "Erc20Token";
124 static String get selfIdColumn => "${tableName}Id";
125
126 Future<int> save() async {
127 if (walletName == null || chainId == null) {
128 throw StateError("Erc20Token.save() requires walletName and chainId to be set");
129 }
130
131 final json = toMap();
132 if (json[selfIdColumn] == 0) {
133 json[selfIdColumn] = null;
134 }
135 id = await db!.insert(tableName, json, conflictAlgorithm: ConflictAlgorithm.replace);
136 return id;
137 }
138
139 static Future<List<Erc20Token>> selectList(
140 String where,
141 List<dynamic> whereArgs, {
142 String? orderBy,
143 }) async {
144 orderBy ??= selfIdColumn;
145 final list = await db!.query(
146 tableName,
147 where: where.isNotEmpty ? where : "1 = 1",
148 whereArgs: whereArgs.isNotEmpty ? whereArgs : null,
149 orderBy: orderBy,
150 );
151 return List.generate(list.length, (index) => Erc20Token.fromMap(list[index]));
152 }
153
154 static Future<List<Erc20Token>> getAllForWallet(String walletName, int chainId) =>
155 selectList("walletName = ? AND chainId = ?", [walletName, chainId]);
156
157 static Future<Erc20Token?> getByContract(
158 String walletName,
159 int chainId,
160 String contractAddress,
161 ) async {
162 final list = await selectList(
163 "walletName = ? AND chainId = ? AND contractAddress = ?",
164 [walletName, chainId, contractAddress.toLowerCase()],
165 );
166 return list.isEmpty ? null : list.first;
167 }
168
169 static Future<int> deleteForWallet(String walletName, int chainId, String contractAddress) =>
170 db!.delete(
171 tableName,
172 where: "walletName = ? AND chainId = ? AND contractAddress = ?",
173 whereArgs: [walletName, chainId, contractAddress.toLowerCase()],
174 );
175
176 static Future<int> deleteAllForWallet(String walletName) =>
177 db!.delete(tableName, where: "walletName = ?", whereArgs: [walletName]);
178
179 static Future<void> renameWallet(String oldName, String newName) async {
180 await db!.delete(tableName, where: "walletName = ?", whereArgs: [newName]);
181 await db!
182 .update(tableName, {"walletName": newName}, where: "walletName = ?", whereArgs: [oldName]);
183 }
184
185 @override
186 bool operator ==(Object other) => other is Erc20Token && other.contractAddress == contractAddress;
187
188 @override
189 int get hashCode => contractAddress.hashCode;
190 }