From ebfc339117a9666c27442199b62b93619bc2c823 Mon Sep 17 00:00:00 2001
From: David Adegoke <64401859+Blazebrain@users.noreply.github.com>
Date: Fri, 27 Mar 2026 00:35:06 +0100
Subject: [PATCH] fix: Handle fiat amount edgecase that makes crypto amount
 decimal length greater than multiplier length (#3135)

* fix: Handle fiat amount edgecase that makes crypto amount decimal length greater than multiplier length

* fix: Switch currency decimal for crypto conversion
---
 cw_core/lib/parse_fixed.dart                     | 3 +--
 lib/view_model/exchange/exchange_view_model.dart | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/cw_core/lib/parse_fixed.dart b/cw_core/lib/parse_fixed.dart
index 1323b6c76..695bad60f 100644
--- a/cw_core/lib/parse_fixed.dart
+++ b/cw_core/lib/parse_fixed.dart
@@ -45,8 +45,7 @@ BigInt parseFixed(String value, int decimals) {
   var fraction = (comps.length == 2 ? comps[1] : "0").padRight(decimals, "0");
 
   if (fraction.length > multiplier.length - 1) {
-    throw FormatException(
-        "fractional component exceeds decimals, underflow, parseFixed");
+    throw FormatException("fractional component exceeds decimals, underflow, parseFixed");
   }
 
   final wholeValue = BigInt.parse(whole);
diff --git a/lib/view_model/exchange/exchange_view_model.dart b/lib/view_model/exchange/exchange_view_model.dart
index defdd8316..df83af02a 100644
--- a/lib/view_model/exchange/exchange_view_model.dart
+++ b/lib/view_model/exchange/exchange_view_model.dart
@@ -763,7 +763,7 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
     if (price == null || price == 0.0) return;
 
     final crypto = _enteredAmount / price;
-    final depositAmountTmp = crypto.toString().withMaxDecimals(receiveCurrency.decimals);
+    final depositAmountTmp = crypto.toString().withMaxDecimals(depositCurrency.decimals);
     if (_depositAmount != depositAmountTmp) {
       changeDepositAmount(amount: depositAmountTmp, isCanonical: true);
     }