[trello.com/c/OSxhcWdy] UI: Balance decimals on Account tab

Adamant/Modules/Account/WalletCollectionViewCell.swift

@@ -39,7 +39,7 @@ class WalletCollectionViewCell: PagingCell {
 
         if let balance = item.balance, item.isBalanceInitialized {
             if balance < 1 {
-                balanceLabel.text = AdamantBalanceFormat.compact.format(balance)
+                balanceLabel.text = stringFor(balance: balance)
             } else {
                 balanceLabel.text = AdamantBalanceFormat.short.format(balance)
             }
@@ -53,4 +53,68 @@ class WalletCollectionViewCell: PagingCell {
             accessoryContainerView.setAccessory(nil, at: .topRight)
         }
     }
+
+    private func stringFor(balance: Decimal) -> String {
+        let significantDigits = 5
+        let balanceStr = String(describing: balance)
+
+        let minBalance: Decimal = Decimal(pow(10, -(Double(significantDigits - 1))))
+
+        // Check if the number has a decimal part
+        if balanceStr.contains(".") {
+            let parts = balanceStr.split(separator: ".")
+            guard let wholePart = parts.first,
+                  let decimal = parts.last
+            else {
+                return AdamantBalanceFormat.compact.format(balance)
+            }
+
+            let decimalPart = String(decimal)
+
+            if balance < minBalance {
+                return "0.00…\(decimalPart.last ?? "0")"
+            }
+
+            if balance > 1_000_000 {
+                let formatter = NumberFormatter()
+                formatter.numberStyle = .decimal
+                formatter.minimumFractionDigits = 0
+                formatter.maximumFractionDigits = 1
+                formatter.roundingMode = .down
+
+                var whole: Double = minBalance.doubleValue
+                whole.round(.towardZero)
+
+                var wholeString: String = ""
+
+                if whole >= 1_000_000_000_000_000 {
+                    wholeString = "\(formatter.string(for: whole / 1_000_000_000_000_000) ?? "")Q"
+                } else if whole >= 1_000_000_000_000 {
+                    wholeString = "\(formatter.string(for: whole / 1_000_000_000_000) ?? "")T"
+                } else if whole >= 1_000_000_000 {
+                    wholeString = "\(formatter.string(for: whole / 1_000_000_000) ?? "")B"
+                } else {
+                    wholeString = "\(formatter.string(for: whole / 1_000_000) ?? "")M"
+                }
+                return wholeString
+            }
+
+            let additionalDigits = significantDigits - wholePart.count
+
+            guard additionalDigits > .zero else { return String(wholePart) }
+
+            var formattedDecimal = ""
+
+            for digit in decimalPart.prefix(additionalDigits) {
+                formattedDecimal.append(digit)
+            }
+
+            var value = "\(wholePart).\(formattedDecimal)"
+            return value
+
+        } else {
+            var value = AdamantBalanceFormat.compact.format(balance)
+            return "\(value)"
+        }
+    }
 }

Adamant/Modules/Wallets/WalletViewControllerBase.swift

@@ -378,19 +378,6 @@ class WalletViewControllerBase: FormViewController, WalletViewController {
         }
     }
 
-    private func stringFor(balance: Decimal, symbol: String?) -> String {
-        var value = AdamantBalanceFormat.full.format(balance, withCurrencySymbol: symbol)
-
-        if balance > 0, let symbol = symbol, let rate = currencyInfoService.getRate(for: symbol) {
-            let fiat = balance * rate
-            let fiatString = AdamantBalanceFormat.short.format(fiat, withCurrencySymbol: currencyInfoService.currentCurrency.symbol)
-
-            value = "\(value) (\(fiatString))"
-        }
-
-        return value
-    }
-
     // MARK: - Other
 
     func setColors() {