Fixed crash Swift runtime failure: arithmetic overflow ()

litecoin-foundation · Dec 22, 2024 · 7703f37 · 7703f37
1 parent c3c60fa
commit 7703f37
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/litewallet/ViewModels/Transaction.swift b/litewallet/ViewModels/Transaction.swift
@@ -40,7 +40,11 @@ class Transaction {
 		self.fee = fee + opsAmount
 
 		let amountReceived = wallet.amountReceivedFromTx(tx)
-		let amountSent = wallet.amountSentByTx(tx) - opsAmount
+
+		// This ensures that amountSent is always non-negative and within the valid range for UInt64.
+		let amountSent = wallet.amountSentByTx(tx) > opsAmount
+			? wallet.amountSentByTx(tx) - opsAmount
+			: 0
 
 		if amountSent > 0, (amountReceived + fee) == amountSent {
 			direction = .moved