multi: Replace interface{} with 'any' alias

client/client.go

@@ -129,15 +129,15 @@ func (c *Client) SetVoteChoices(ctx context.Context, req types.SetVoteChoicesReq
 	return resp, nil
 }
 
-func (c *Client) post(ctx context.Context, path string, addr stdaddr.Address, resp, req interface{}) error {
+func (c *Client) post(ctx context.Context, path string, addr stdaddr.Address, resp, req any) error {
 	return c.do(ctx, http.MethodPost, path, addr, resp, req)
 }
 
-func (c *Client) get(ctx context.Context, path string, resp interface{}) error {
+func (c *Client) get(ctx context.Context, path string, resp any) error {
 	return c.do(ctx, http.MethodGet, path, nil, resp, nil)
 }
 
-func (c *Client) do(ctx context.Context, method, path string, addr stdaddr.Address, resp, req interface{}) error {
+func (c *Client) do(ctx context.Context, method, path string, addr stdaddr.Address, resp, req any) error {
 	var reqBody io.Reader
 	var sig []byte
 

client/client_test.go

@@ -86,7 +86,7 @@ func TestErrorDetails(t *testing.T) {
 				Log:    slog.Disabled,
 			}
 
-			var resp interface{}
+			var resp any
 			err := client.do(context.TODO(), http.MethodGet, "", nil, &resp, nil)
 
 			testServer.Close()
@@ -171,7 +171,7 @@ func TestSignatureValidation(t *testing.T) {
 				Log:    slog.Disabled,
 			}
 
-			var resp interface{}
+			var resp any
 			err := client.do(context.TODO(), http.MethodGet, "", nil, &resp, nil)
 
 			testServer.Close()

rpc/client.go

@@ -24,7 +24,7 @@ type Caller interface {
 	// Args provides positional parameters for the call.
 	// Res must be a pointer to a struct, slice, or map type to unmarshal
 	// a result (if any), or nil if no result is needed.
-	Call(ctx context.Context, method string, res interface{}, args ...interface{}) error
+	Call(ctx context.Context, method string, res any, args ...any) error
 }
 
 // client wraps a wsrpc.Client, as well as all of the connection details

webapi/admin.go

@@ -263,7 +263,7 @@ func (s *Server) downloadDatabaseBackup(c *gin.Context) {
 
 // setAdminStatus stores the authentication status of the current session and
 // redirects the client to GET /admin.
-func (s *Server) setAdminStatus(admin interface{}, c *gin.Context) {
+func (s *Server) setAdminStatus(admin any, c *gin.Context) {
 	session := c.MustGet(sessionKey).(*sessions.Session)
 	session.Values["admin"] = admin
 	err := session.Save(c.Request, c.Writer)

webapi/webapi.go

@@ -283,7 +283,7 @@ func (s *Server) router(cookieSecret []byte, dcrd rpc.DcrdConnect, wallets rpc.W
 // sendJSONResponse serializes the provided response, signs it, and sends the
 // response to the client with a 200 OK status. Returns the seralized response
 // and the signature.
-func (s *Server) sendJSONResponse(resp interface{}, c *gin.Context) (string, string) {
+func (s *Server) sendJSONResponse(resp any, c *gin.Context) (string, string) {
 	dec, err := json.Marshal(resp)
 	if err != nil {
 		s.log.Errorf("JSON marshal error: %v", err)