introduce AddressValidator

Mimir/Validators/AddressValidator.cs

@@ -0,0 +1,25 @@
+using Libplanet.Crypto;
+
+namespace Mimir.Validators;
+
+public static class AddressValidator
+{
+    public static bool TryValidate(
+        string addressString,
+        out Address address,
+        out string? errorMessage)
+    {
+        try
+        {
+            address = new Address(addressString);
+            errorMessage = null;
+            return true;
+        }
+        catch (ArgumentException e)
+        {
+            address = default;
+            errorMessage = e.Message;
+            return false;
+        }
+    }
+}