From 53be1f53dbd4335ba03887da40e1450fefd73afe Mon Sep 17 00:00:00 2001
From: julian <julian@cypherstack.com>
Date: Thu, 8 Jun 2023 14:25:09 -0600
Subject: [PATCH] fix: old block errors

---
 lib/services/coins/banano/banano_wallet.dart | 30 ++++++++++++++------
 lib/services/coins/nano/nano_wallet.dart     | 30 ++++++++++++++------
 2 files changed, 43 insertions(+), 17 deletions(-)

diff --git a/lib/services/coins/banano/banano_wallet.dart b/lib/services/coins/banano/banano_wallet.dart
index 1240ac446..d44075d09 100644
--- a/lib/services/coins/banano/banano_wallet.dart
+++ b/lib/services/coins/banano/banano_wallet.dart
@@ -733,17 +733,29 @@ class BananoWallet extends CoinServiceAPI
 
   @override
   Future<void> refresh() async {
+    if (refreshMutex) {
+      Logging.instance.log(
+        "$walletId $walletName refreshMutex denied",
+        level: LogLevel.Info,
+      );
+      return;
+    } else {
+      refreshMutex = true;
+    }
+
     await _prefs.init();
 
-    GlobalEventBus.instance.fire(
-      WalletSyncStatusChangedEvent(
-        WalletSyncStatus.syncing,
-        walletId,
-        coin,
-      ),
-    );
-
     try {
+      GlobalEventBus.instance.fire(
+        WalletSyncStatusChangedEvent(
+          WalletSyncStatus.syncing,
+          walletId,
+          coin,
+        ),
+      );
+
+      await _prefs.init();
+
       await updateChainHeight();
       await updateTransactions();
       await updateBalance();
@@ -768,6 +780,8 @@ class BananoWallet extends CoinServiceAPI
         ),
       );
     }
+
+    refreshMutex = false;
   }
 
   @override
diff --git a/lib/services/coins/nano/nano_wallet.dart b/lib/services/coins/nano/nano_wallet.dart
index 31114eef2..1f525d86d 100644
--- a/lib/services/coins/nano/nano_wallet.dart
+++ b/lib/services/coins/nano/nano_wallet.dart
@@ -747,17 +747,27 @@ class NanoWallet extends CoinServiceAPI
 
   @override
   Future<void> refresh() async {
-    await _prefs.init();
-
-    GlobalEventBus.instance.fire(
-      WalletSyncStatusChangedEvent(
-        WalletSyncStatus.syncing,
-        walletId,
-        coin,
-      ),
-    );
+    if (refreshMutex) {
+      Logging.instance.log(
+        "$walletId $walletName refreshMutex denied",
+        level: LogLevel.Info,
+      );
+      return;
+    } else {
+      refreshMutex = true;
+    }
 
     try {
+      await _prefs.init();
+
+      GlobalEventBus.instance.fire(
+        WalletSyncStatusChangedEvent(
+          WalletSyncStatus.syncing,
+          walletId,
+          coin,
+        ),
+      );
+
       await updateChainHeight();
       await updateTransactions();
       await updateBalance();
@@ -782,6 +792,8 @@ class NanoWallet extends CoinServiceAPI
         ),
       );
     }
+
+    refreshMutex = false;
   }
 
   @override