From 3e43e899a58f18dd62964725f4f4495b1004c671 Mon Sep 17 00:00:00 2001
From: Serhii <borodenko.sv@gmail.com>
Date: Fri, 31 Mar 2023 12:45:54 +0300
Subject: [PATCH 1/2] truncate exchange amount

---
 lib/view_model/exchange/exchange_view_model.dart | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/view_model/exchange/exchange_view_model.dart b/lib/view_model/exchange/exchange_view_model.dart
index 2dd67cab7..66d46bdcb 100644
--- a/lib/view_model/exchange/exchange_view_model.dart
+++ b/lib/view_model/exchange/exchange_view_model.dart
@@ -287,6 +287,7 @@ abstract class ExchangeViewModelBase with Store {
 
       await _calculateBestRate();
     }
+    _cryptoNumberFormat.maximumFractionDigits = depositMaxDigits;
 
     depositAmount = _cryptoNumberFormat
         .format(_enteredAmount / _bestRate)
@@ -312,6 +313,7 @@ abstract class ExchangeViewModelBase with Store {
 
       await _calculateBestRate();
     }
+    _cryptoNumberFormat.maximumFractionDigits = receiveMaxDigits;
 
     receiveAmount = _cryptoNumberFormat
         .format(_bestRate * _enteredAmount)
@@ -709,4 +711,8 @@ abstract class ExchangeViewModelBase with Store {
       providerList = _allProviders;
     }
   }
+
+  int get depositMaxDigits => depositCurrency == CryptoCurrency.btc ? 8 : 12;
+
+  int get receiveMaxDigits => receiveCurrency == CryptoCurrency.btc ? 8 : 12;
 }

From f579f67c15a6f2fbdfd9803f66841da05ea630cc Mon Sep 17 00:00:00 2001
From: Serhii <borodenko.sv@gmail.com>
Date: Fri, 31 Mar 2023 15:42:48 +0300
Subject: [PATCH 2/2] [skip ci] minor fix

---
 lib/view_model/exchange/exchange_view_model.dart | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/view_model/exchange/exchange_view_model.dart b/lib/view_model/exchange/exchange_view_model.dart
index 66d46bdcb..bf0d88cd0 100644
--- a/lib/view_model/exchange/exchange_view_model.dart
+++ b/lib/view_model/exchange/exchange_view_model.dart
@@ -97,7 +97,6 @@ abstract class ExchangeViewModelBase with Store {
     receiveAddress = '';
     depositAddress = depositCurrency == wallet.currency
         ? wallet.walletAddresses.address : '';
-    _cryptoNumberFormat = NumberFormat()..maximumFractionDigits = wallet.type == WalletType.bitcoin ? 8 : 12;
     provider = providersForCurrentPair().first;
     final initialProvider = provider;
     provider!.checkIsAvailable().then((bool isAvailable) {