Add "stores/{storeId}/payment-methods" endpoint

address #2545

BTCPayServer/Controllers/GreenField/StorePaymentMethodsController.cs

@@ -0,0 +1,39 @@
+#nullable enable
+using BTCPayServer.Abstractions.Constants;
+using BTCPayServer.Client;
+using BTCPayServer.Client.Models;
+using BTCPayServer.Data;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using StoreData = BTCPayServer.Data.StoreData;
+
+namespace BTCPayServer.Controllers.GreenField
+{
+    [ApiController]
+    [Authorize(AuthenticationSchemes = AuthenticationSchemes.Greenfield)]
+    public class StorePaymentMethodsController : ControllerBase
+    {
+        private StoreData Store => HttpContext.GetStoreData();
+        private readonly BTCPayNetworkProvider _btcPayNetworkProvider;
+
+        public StorePaymentMethodsController(BTCPayNetworkProvider btcPayNetworkProvider)
+        {
+            _btcPayNetworkProvider = btcPayNetworkProvider;
+        }
+
+        [Authorize(Policy = Policies.CanModifyStoreSettings, AuthenticationSchemes = AuthenticationSchemes.Greenfield)]
+        [HttpGet("~/api/v1/stores/{storeId}/payment-methods")]
+        public ActionResult<LightningNetworkPaymentMethodData> GetPaymentMethods(
+            [FromQuery] bool enabledOnly = false
+        )
+        {
+            var storeBlob = Store.GetStoreBlob();
+            var excludedPaymentMethods = storeBlob.GetExcludedPaymentMethods();
+
+            return Ok(new {
+                onchain = StoreOnChainPaymentMethodsController.GetOnChainPaymentMethods(Store, _btcPayNetworkProvider, enabledOnly),
+                lightning = StoreLightningNetworkPaymentMethodsController.GetLightningPaymentMethods(Store, _btcPayNetworkProvider, enabledOnly)
+            });
+        }
+    }
+}