Decouple Wallet Send screen from Ledger Wallet

BTCPayServer/Models/WalletViewModels/WalletSendModel.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace BTCPayServer.Models.WalletViewModels
+{
+    public class WalletSendModel
+    {
+        [Required]
+        public string Destination { get; set; }
+
+        [Range(0.0, double.MaxValue)]
+        [Required]
+        public decimal? Amount { get; set; }
+
+        public decimal CurrentBalance { get; set; }
+
+        public string CryptoCode { get; set; }
+
+        public int RecommendedSatoshiPerByte { get; set; }
+
+        [Display(Name = "Subtract fees from amount")]
+        public bool SubstractFees { get; set; }
+
+        [Range(1, int.MaxValue)]
+        [Display(Name = "Fee rate (satoshi per byte)")]
+        [Required]
+        public int FeeSatoshiPerByte { get; set; }
+        public decimal? Rate { get; set; }
+        public int Divisibility { get; set; }
+        public string Fiat { get; set; }
+        public string RateError { get; set; }
+    }
+}