From ae67cbdb4d0dc6be66cc3f566c336bfba05f25a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Magiera?= <magik6k@gmail.com>
Date: Mon, 4 Dec 2023 14:10:24 +0100
Subject: [PATCH] lotus-provider: fix RPC construction

---
 api/permissioned.go           | 4 ++--
 cmd/lotus-provider/rpc/rpc.go | 4 ++--
 metrics/proxy/proxy.go        | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/api/permissioned.go b/api/permissioned.go
index 30fd6b75c..cef5a5478 100644
--- a/api/permissioned.go
+++ b/api/permissioned.go
@@ -41,8 +41,8 @@ func PermissionedWorkerAPI(a Worker) Worker {
 	return &out
 }
 
-func PermissionedAPI[T any](a T) T {
-	var out T
+func PermissionedAPI[T, P any](a T) P {
+	var out P
 	permissionedProxies(a, &out)
 	return out
 }
diff --git a/cmd/lotus-provider/rpc/rpc.go b/cmd/lotus-provider/rpc/rpc.go
index e44c6724f..3ae3e2a1f 100644
--- a/cmd/lotus-provider/rpc/rpc.go
+++ b/cmd/lotus-provider/rpc/rpc.go
@@ -26,9 +26,9 @@ func LotusProviderHandler(
 	readerHandler, readerServerOpt := rpcenc.ReaderParamDecoder()
 	rpcServer := jsonrpc.NewServer(jsonrpc.WithServerErrors(api.RPCErrors), readerServerOpt)
 
-	wapi := proxy.MetricedAPI(a)
+	wapi := proxy.MetricedAPI[api.LotusProvider, api.LotusProviderStruct](a)
 	if permissioned {
-		wapi = api.PermissionedAPI(wapi)
+		wapi = api.PermissionedAPI[api.LotusProvider, api.LotusProviderStruct](wapi)
 	}
 
 	rpcServer.Register("Filecoin", wapi)
diff --git a/metrics/proxy/proxy.go b/metrics/proxy/proxy.go
index 770cf679c..ada1a3352 100644
--- a/metrics/proxy/proxy.go
+++ b/metrics/proxy/proxy.go
@@ -10,8 +10,8 @@ import (
 	"github.com/filecoin-project/lotus/metrics"
 )
 
-func MetricedAPI[T any](a T) T {
-	var out T
+func MetricedAPI[T, P any](a T) P {
+	var out P
 	proxy(a, &out)
 	return out
 }