CWA-169 | created check_amount then added to transaction_info and to trade

lib/src/domain/common/check_amount.dart

@@ -0,0 +1,8 @@
+String checkAmount(String amount) {
+  if (!amount.contains('.')) {
+    return amount + '.00';
+  } else if (amount.endsWith('.')) {
+    return amount + '00';
+  }
+  return amount;
+}

lib/src/domain/common/transaction_info.dart

@@ -2,6 +2,7 @@ import 'package:cake_wallet/src/domain/monero/monero_amount_format.dart';
 import 'package:cw_monero/structs/transaction_info_row.dart';
 import 'package:cake_wallet/src/domain/common/parseBoolFromString.dart';
 import 'package:cake_wallet/src/domain/common/transaction_direction.dart';
+import 'package:cake_wallet/src/domain/common/check_amount.dart';
 
 class TransactionInfo {
   TransactionInfo(this.id, this.height, this.direction, this.date,
@@ -40,9 +41,9 @@ class TransactionInfo {
 
   String _fiatAmount;
 
-  String amountFormatted() => '${moneroAmountToString(amount: amount)} XMR';
+  String amountFormatted() => '${checkAmount(moneroAmountToString(amount: amount))} XMR';
 
   String fiatAmount() => _fiatAmount ?? '';
 
-  void changeFiatAmount(String amount) => _fiatAmount = amount;
+  void changeFiatAmount(String amount) => _fiatAmount = checkAmount(amount);
 }

lib/src/domain/exchange/trade.dart

@@ -2,6 +2,7 @@ import 'package:hive/hive.dart';
 import 'package:cake_wallet/src/domain/common/crypto_currency.dart';
 import 'package:cake_wallet/src/domain/exchange/exchange_provider_description.dart';
 import 'package:cake_wallet/src/domain/exchange/trade_state.dart';
+import 'package:cake_wallet/src/domain/common/check_amount.dart';
 
 part 'trade.g.dart';
 
@@ -101,4 +102,6 @@ class Trade extends HiveObject {
       'wallet_id': walletId
     };
   }
+
+  String amountFormatted() => checkAmount(amount);
 }

lib/src/screens/dashboard/dashboard_page.dart

@@ -577,7 +577,7 @@ class DashboardPageBodyState extends State<DashboardPageBody> {
                   final formattedAmount = trade.amount != null
                       ? savedDisplayMode == BalanceDisplayMode.hiddenBalance
                           ? '---'
-                          : trade.amount
+                          : trade.amountFormatted()
                       : trade.amount;
 
                   return TradeRow(