Add also money json converter

BTCPayServer.Client/JsonConverters/MoneyJsonConverter.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Globalization;
+using NBitcoin;
+using Newtonsoft.Json;
+
+namespace BTCPayServer.Client.JsonConverters
+{
+    public class MoneyJsonConverter : NBitcoin.JsonConverters.MoneyJsonConverter
+    {
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            if (reader.TokenType == JsonToken.String)
+            {
+                return new Money( long.Parse((string) reader.Value));
+            }
+            return base.ReadJson(reader, objectType, existingValue, serializer);
+        }
+
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            if (value != null)
+                writer.WriteValue(((Money)value).Satoshi.ToString(CultureInfo.InvariantCulture));
+        }
+    }
+}

BTCPayServer.Client/Models/OpenLightningChannelRequest.cs

@@ -1,6 +1,7 @@
 using NBitcoin;
 using NBitcoin.JsonConverters;
 using Newtonsoft.Json;
+using MoneyJsonConverter = BTCPayServer.Client.JsonConverters.MoneyJsonConverter;
 
 namespace BTCPayServer.Client.Models
 {

BTCPayServer/wwwroot/swagger/v1/swagger.template.lightning.common.json

@@ -61,7 +61,7 @@
             "LightMoney": {
                 "type": "string",
                 "format": "int64",
-                "description": "The id of the store",
+                "description": "a number amount wrapped in a string, represented in millistatoshi (00000000001BTC = 1 mSAT)",
                 "additionalProperties": false
             },
             "LightningChannelData": {
@@ -214,8 +214,9 @@
                 }
             },
             "Money": {
-                "type": "integer",
+                "type": "string",
-                "format": "int64"
+                "format": "int64",
+                "description": "a number amount wrapped in a string, represented in satoshi (00000001BTC = 1 sat)"
             },
             "FeeRate": {
                 "oneOf": [