feat(wallet): coin selection, tx factory, wallet loader

2026-06-11 10:47:40 +02:00
parent 4d2ae1fd13
commit 3d6597a3b2
3 changed files with 213 additions and 0 deletions
@@ -0,0 +1,35 @@
+using System.Globalization;
+
+namespace PalladiumWallet.Core.Wallet;
+
+/// <summary>
+/// Conversione satoshi ↔ unità coin (8 decimali) per visualizzazione e input.
+/// Si lavora sempre in satoshi internamente; la stringa è solo presentazione.
+/// </summary>
+public static class CoinAmount
+{
+    public const long SatsPerCoin = 100_000_000;
+
+    public static string Format(long sats, string unit = "") =>
+        (sats / (decimal)SatsPerCoin).ToString("0.00000000", CultureInfo.InvariantCulture)
+        + (unit.Length > 0 ? " " + unit : "");
+
+    /// <summary>Parsa un importo in coin (punto o virgola decimale) in satoshi.</summary>
+    public static bool TryParseCoins(string text, out long sats)
+    {
+        sats = 0;
+        text = text.Trim().Replace(',', '.');
+        if (!decimal.TryParse(text, NumberStyles.Number, CultureInfo.InvariantCulture, out var coins)
+            || coins < 0)
+            return false;
+        try
+        {
+            sats = (long)(coins * SatsPerCoin);
+        }
+        catch (OverflowException)
+        {
+            return false;
+        }
+        return true;
+    }
+}