stack_wallet/lib/services/mixins/wallet_cache.dart

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import 'package:stackwallet/db/hive/db.dart';
import 'package:stackwallet/models/balance.dart';
import 'package:stackwallet/utilities/enums/coin_enum.dart';
mixin WalletCache {
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late final String _walletId;
late final Coin _coin;
void initCache(String walletId, Coin coin) {
_walletId = walletId;
_coin = coin;
}
// cached wallet id
String? getCachedId() {
return DB.instance.get<dynamic>(
boxName: _walletId,
key: DBKeys.id,
) as String?;
}
Future<void> updateCachedId(String? id) async {
await DB.instance.put<dynamic>(
boxName: _walletId,
key: DBKeys.id,
value: id,
);
}
// cached Chain Height
int getCachedChainHeight() {
return DB.instance.get<dynamic>(
boxName: _walletId,
key: DBKeys.storedChainHeight,
) as int? ??
0;
}
Future<void> updateCachedChainHeight(int height) async {
await DB.instance.put<dynamic>(
boxName: _walletId,
key: DBKeys.storedChainHeight,
value: height,
);
}
// wallet favorite flag
bool getCachedIsFavorite() {
return DB.instance.get<dynamic>(
boxName: _walletId,
key: DBKeys.isFavorite,
) as bool? ??
false;
}
Future<void> updateCachedIsFavorite(bool isFavorite) async {
await DB.instance.put<dynamic>(
boxName: _walletId,
key: DBKeys.isFavorite,
value: isFavorite,
);
}
// main balance cache
Balance getCachedBalance() {
final jsonString = DB.instance.get<dynamic>(
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boxName: _walletId,
key: DBKeys.cachedBalance,
) as String?;
if (jsonString == null) {
return Balance(
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coin: _coin,
total: 0,
spendable: 0,
blockedTotal: 0,
pendingSpendable: 0,
);
}
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return Balance.fromJson(jsonString, _coin);
}
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Future<void> updateCachedBalance(Balance balance) async {
await DB.instance.put<dynamic>(
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boxName: _walletId,
key: DBKeys.cachedBalance,
value: balance.toJsonIgnoreCoin(),
);
}
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// secondary balance cache for coins such as firo
Balance getCachedBalanceSecondary() {
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final jsonString = DB.instance.get<dynamic>(
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boxName: _walletId,
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key: DBKeys.cachedBalanceSecondary,
) as String?;
if (jsonString == null) {
return Balance(
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coin: _coin,
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total: 0,
spendable: 0,
blockedTotal: 0,
pendingSpendable: 0,
);
}
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return Balance.fromJson(jsonString, _coin);
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}
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Future<void> updateCachedBalanceSecondary(Balance balance) async {
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await DB.instance.put<dynamic>(
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boxName: _walletId,
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key: DBKeys.cachedBalanceSecondary,
value: balance.toJsonIgnoreCoin(),
);
}
}