fix: fee exceed in send crypto & tx recording number conversion

Author: reasje

lib/common/utils/formatter.dart

@@ -44,7 +44,7 @@ class Formatter {
 
   static String convertWeiToEth(String inputString, int tokenDecimal) {
     // 10^18 = 1000000000000000000 but we want to have up to 2 digits accuracy
-    if (double.parse(inputString).toDouble() < 10000000000000000) {
+    if (double.parse(inputString).toDouble() < 1000000000000000) {
       return '0';
     }
     final valueDouble = double.parse(inputString).toDouble() / pow(10, 18);

lib/features/portfolio/subfeatures/token/send_token/send_crypto/send_crypto_presenter.dart

@@ -150,23 +150,25 @@ class SendCryptoPresenter extends CompletePresenter<SendCryptoState> {
 
     double sumBalance = token.balance! - double.parse(amount);
     estimatedGasFee = await _estimatedFee(recipientAddress);
-    sumBalance -= estimatedGasFee?.gasFee ?? 0.0;
-    final estimatedFee = estimatedGasFee == null
-        ? '--'
-        : Validation.isExpoNumber(estimatedGasFee.gasFee.toString())
-            ? '0.000'
-            : estimatedGasFee.gasFee.toString();
-
-    final result = await showTransactionDialog(context!,
-        amount: amount,
-        balance: sumBalance.toString(),
-        token: token,
-        network: state.network?.label ?? '--',
-        from: state.account!.address,
-        to: recipient,
-        estimatedFee: estimatedFee,
-        onTap: (transactionType) => _nextTransactionStep(transactionType),
-        networkSymbol: state.network?.symbol ?? '--');
+    if (estimatedGasFee != null) {
+      sumBalance -= estimatedGasFee.gasFee;
+      final estimatedFee = estimatedGasFee == null
+          ? '--'
+          : Validation.isExpoNumber(estimatedGasFee.gasFee.toString())
+              ? '0.000'
+              : estimatedGasFee.gasFee.toString();
+
+      final result = await showTransactionDialog(context!,
+          amount: amount,
+          balance: sumBalance.toString(),
+          token: token,
+          network: state.network?.label ?? '--',
+          from: state.account!.address,
+          to: recipient,
+          estimatedFee: estimatedFee,
+          onTap: (transactionType) => _nextTransactionStep(transactionType),
+          networkSymbol: state.network?.symbol ?? '--');
+    }
   }
 
   String? checkAmountCeiling() {
@@ -203,7 +205,11 @@ class SendCryptoPresenter extends CompletePresenter<SendCryptoState> {
 
       return gasFee;
     } catch (e, s) {
-      addError(e, s);
+      if (e is RPCError) {
+        String errorMessage = e.message;
+        errorMessage = changeErrorMessage(errorMessage);
+        addError(errorMessage);
+      }
     } finally {
       loading = false;
     }
@@ -229,7 +235,7 @@ class SendCryptoPresenter extends CompletePresenter<SendCryptoState> {
             hash: res,
             status: TransactionStatus.pending,
             type: TransactionType.sent,
-            value: amount.getValueInUnit(EtherUnit.wei).toString(),
+            value: amount.getValueInUnitBI(EtherUnit.wei).toString(),
             token: token,
             timeStamp: DateTime.now());
 
@@ -249,16 +255,21 @@ class SendCryptoPresenter extends CompletePresenter<SendCryptoState> {
           BottomFlowDialog.of(context!).close();
         }
         String errorMessage = e.message;
-        if (e.message.contains('gas required exceeds allowance')) {
-          errorMessage = translate('insufficient_balance_for_fee') ?? e.message;
-        }
+        errorMessage = changeErrorMessage(errorMessage);
         addError(errorMessage);
       }
     } finally {
       loading = false;
     }
   }
 
+  String changeErrorMessage(String message) {
+    if (message.contains('gas required exceeds allowance')) {
+      return translate('insufficient_balance_for_fee') ?? message;
+    }
+    return message;
+  }
+
   @override
   Future<void> dispose() async {
     super.dispose();