use balance caching in all wallets

lib/hive/db.dart

@@ -248,6 +248,7 @@ class DB {
 
 abstract class DBKeys {
   static const String cachedBalance = "cachedBalance";
+  static const String cachedBalanceSecondary = "cachedBalanceSecondary";
   static const String isFavorite = "isFavorite";
   static const String id = "id";
   static const String storedChainHeight = "storedChainHeight";

lib/services/coins/bitcoin/bitcoin_wallet.dart

@@ -1810,6 +1810,7 @@ class BitcoinWallet extends CoinServiceAPI with WalletCache, WalletDB {
         blockedTotal: satoshiBalanceBlocked,
         pendingSpendable: satoshiBalancePending,
       );
+      await updateCachedBalance(walletId, _balance!);
     } catch (e, s) {
       Logging.instance
           .log("Output fetch unsuccessful: $e\n$s", level: LogLevel.Error);
@@ -1817,7 +1818,7 @@ class BitcoinWallet extends CoinServiceAPI with WalletCache, WalletDB {
   }
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
   // /// Takes in a list of UtxoObjects and adds a name (dependent on object index within list)

lib/services/coins/dogecoin/dogecoin_wallet.dart

@@ -1552,6 +1552,7 @@ class DogecoinWallet extends CoinServiceAPI with WalletCache, WalletDB {
         blockedTotal: satoshiBalanceBlocked,
         pendingSpendable: satoshiBalancePending,
       );
+      await updateCachedBalance(walletId, _balance!);
     } catch (e, s) {
       Logging.instance
           .log("Output fetch unsuccessful: $e\n$s", level: LogLevel.Error);
@@ -1559,7 +1560,7 @@ class DogecoinWallet extends CoinServiceAPI with WalletCache, WalletDB {
   }
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
   // /// Takes in a list of UtxoObjects and adds a name (dependent on object index within list)

lib/services/coins/epiccash/epiccash_wallet.dart

@@ -2284,10 +2284,12 @@ class EpicCashWallet extends CoinServiceAPI with WalletCache, WalletDB {
         coin,
       ),
     );
+
+    await updateCachedBalance(walletId, _balance!);
   }
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
   @override

lib/services/coins/firo/firo_wallet.dart

@@ -2459,6 +2459,7 @@ class FiroWallet extends CoinServiceAPI with WalletCache, WalletDB {
         blockedTotal: 0,
         pendingSpendable: unconfirmedLelantusBalance + balance.total,
       );
+      await updateCachedBalanceSecondary(walletId, _balancePrivate!);
       // _balance = Balance(
       //   coin: coin,
       //   total: utxos.satoshiBalance,
@@ -3660,6 +3661,7 @@ class FiroWallet extends CoinServiceAPI with WalletCache, WalletDB {
         blockedTotal: satoshiBalanceBlocked,
         pendingSpendable: satoshiBalancePending,
       );
+      await updateCachedBalance(walletId, _balance!);
     } catch (e, s) {
       Logging.instance
           .log("Output fetch unsuccessful: $e\n$s", level: LogLevel.Error);
@@ -4843,10 +4845,11 @@ class FiroWallet extends CoinServiceAPI with WalletCache, WalletDB {
   }
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
-  Balance get balancePrivate => _balancePrivate!;
+  Balance get balancePrivate =>
+      _balancePrivate ??= getCachedBalanceSecondary(walletId, coin);
   Balance? _balancePrivate;
 
   @override

lib/services/coins/litecoin/litecoin_wallet.dart

@@ -1796,6 +1796,7 @@ class LitecoinWallet extends CoinServiceAPI with WalletCache, WalletDB {
         blockedTotal: satoshiBalanceBlocked,
         pendingSpendable: satoshiBalancePending,
       );
+      await updateCachedBalance(walletId, _balance!);
     } catch (e, s) {
       Logging.instance
           .log("Output fetch unsuccessful: $e\n$s", level: LogLevel.Error);
@@ -1803,7 +1804,7 @@ class LitecoinWallet extends CoinServiceAPI with WalletCache, WalletDB {
   }
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
   // /// Takes in a list of UtxoObjects and adds a name (dependent on object index within list)

lib/services/coins/monero/monero_wallet.dart

@@ -734,6 +734,7 @@ class MoneroWallet extends CoinServiceAPI with WalletCache, WalletDB {
       blockedTotal: 0,
       pendingSpendable: total - available,
     );
+    await updateCachedBalance(walletId, _balance!);
   }
 
   Future<int> get _availableBalance async {
@@ -1214,7 +1215,7 @@ class MoneroWallet extends CoinServiceAPI with WalletCache, WalletDB {
   int get storedChainHeight => throw UnimplementedError();
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
   @override

lib/services/coins/namecoin/namecoin_wallet.dart

@@ -1776,6 +1776,7 @@ class NamecoinWallet extends CoinServiceAPI with WalletCache, WalletDB {
         blockedTotal: satoshiBalanceBlocked,
         pendingSpendable: satoshiBalancePending,
       );
+      await updateCachedBalance(walletId, _balance!);
     } catch (e, s) {
       Logging.instance
           .log("Output fetch unsuccessful: $e\n$s", level: LogLevel.Error);
@@ -1783,7 +1784,7 @@ class NamecoinWallet extends CoinServiceAPI with WalletCache, WalletDB {
   }
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
   // /// Takes in a list of UtxoObjects and adds a name (dependent on object index within list)

lib/services/coins/particl/particl_wallet.dart

@@ -1665,6 +1665,7 @@ class ParticlWallet extends CoinServiceAPI with WalletCache, WalletDB {
         blockedTotal: satoshiBalanceBlocked,
         pendingSpendable: satoshiBalancePending,
       );
+      await updateCachedBalance(walletId, _balance!);
     } catch (e, s) {
       Logging.instance
           .log("Output fetch unsuccessful: $e\n$s", level: LogLevel.Error);
@@ -1672,7 +1673,7 @@ class ParticlWallet extends CoinServiceAPI with WalletCache, WalletDB {
   }
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
   // /// Takes in a list of UtxoObjects and adds a name (dependent on object index within list)

lib/services/coins/wownero/wownero_wallet.dart

@@ -744,6 +744,7 @@ class WowneroWallet extends CoinServiceAPI with WalletCache, WalletDB {
       blockedTotal: 0,
       pendingSpendable: total - available,
     );
+    await updateCachedBalance(walletId, _balance!);
   }
 
   Future<int> get _availableBalance async {
@@ -1284,7 +1285,7 @@ class WowneroWallet extends CoinServiceAPI with WalletCache, WalletDB {
   int get storedChainHeight => throw UnimplementedError();
 
   @override
-  Balance get balance => _balance!;
+  Balance get balance => _balance ??= getCachedBalance(walletId, coin);
   Balance? _balance;
 
   @override

lib/services/mixins/wallet_cache.dart

@@ -27,4 +27,30 @@ mixin WalletCache {
       value: balance.toJsonIgnoreCoin(),
     );
   }
+
+  Balance getCachedBalanceSecondary(String walletId, Coin coin) {
+    final jsonString = DB.instance.get<dynamic>(
+      boxName: walletId,
+      key: DBKeys.cachedBalanceSecondary,
+    ) as String?;
+    if (jsonString == null) {
+      return Balance(
+        coin: coin,
+        total: 0,
+        spendable: 0,
+        blockedTotal: 0,
+        pendingSpendable: 0,
+      );
+    }
+    return Balance.fromJson(jsonString, coin);
+  }
+
+  Future<void> updateCachedBalanceSecondary(
+      String walletId, Balance balance) async {
+    await DB.instance.put<dynamic>(
+      boxName: walletId,
+      key: DBKeys.cachedBalanceSecondary,
+      value: balance.toJsonIgnoreCoin(),
+    );
+  }
 }