fix: add and handle RpcExceptions for wallet functions that would not allow login when offline

src/status/libstatus/wallet.nim

@@ -100,7 +100,11 @@ proc sendTransaction*(from_address: string, to: string, assetAddress: string, va
 
 proc getBalance*(address: string): string =
   let payload = %* [address, "latest"]
-  parseJson(callPrivateRPC("eth_getBalance", payload))["result"].str
+  let response = parseJson(callPrivateRPC("eth_getBalance", payload))
+  if response.hasKey("error"):
+    raise newException(RpcException, "Error getting balance: " & $response["error"])
+  else:  
+    result = response["result"].str
 
 proc hex2Eth*(input: string): string =
   var value = fromHex(Stuint[256], input)

src/status/wallet.nim

@@ -12,6 +12,9 @@ import wallet/collectibles
 export account, collectibles
 export Transaction
 
+logScope:
+  topics = "wallet-model"
+
 type WalletModel* = ref object
     events*: EventEmitter
     accounts*: seq[WalletAccount]

src/status/wallet/balance_manager.nim

@@ -1,9 +1,13 @@
-import strformat, strutils, stint, httpclient, json
+import strformat, strutils, stint, httpclient, json, chronicles
 import ../libstatus/wallet as status_wallet
 import ../libstatus/tokens as status_tokens
+import ../libstatus/types as status_types
 import ../utils/cache
 import account
 
+logScope:
+  topics = "balance-manager"
+
 type BalanceManager* = ref object
   pricePairs: CachedValues
   tokenBalances: CachedValues
@@ -62,10 +66,13 @@ proc updateBalance*(asset: Asset, currency: string) =
   asset.fiatValue = fmt"{fiat_balance:.2f} {currency}"
 
 proc updateBalance*(account: WalletAccount, currency: string) =
-  let eth_balance = getBalance("ETH", account.address, "")
-  let usd_balance = getFiatValue(eth_balance, "ETH", currency)
-  var totalAccountBalance = usd_balance
-  account.realFiatBalance = totalAccountBalance
-  account.balance = fmt"{totalAccountBalance:.2f} {currency}"
-  for asset in account.assetList:
-    updateBalance(asset, currency)
+  try:
+    let eth_balance = getBalance("ETH", account.address, "")
+    let usd_balance = getFiatValue(eth_balance, "ETH", currency)
+    var totalAccountBalance = usd_balance
+    account.realFiatBalance = totalAccountBalance
+    account.balance = fmt"{totalAccountBalance:.2f} {currency}"
+    for asset in account.assetList:
+      updateBalance(asset, currency)
+  except RpcException:
+    error "Error in updateBalance", message = getCurrentExceptionMsg()