rpc: add pagination and sorting to AddrReceives endpoint

Author: darioAnongba

rpcserver.go

@@ -2224,6 +2224,28 @@ func (r *rpcServer) AddrReceives(ctx context.Context,
 
 	var sqlQuery address.EventQueryParams
 
+	if req.Offset < 0 {
+		return nil, fmt.Errorf("offset must be non-negative")
+	}
+	if req.Limit < 0 {
+		return nil, fmt.Errorf("limit must be non-negative")
+	}
+
+	sqlQuery.Offset = req.Offset
+	sqlQuery.Limit = req.Limit
+
+	switch req.Direction {
+	case 0:
+		sqlQuery.SortDirection = address.SortAscending
+
+	case 1:
+		sqlQuery.SortDirection = address.SortDescending
+
+	default:
+		return nil, fmt.Errorf("invalid sort direction: %v",
+			req.Direction)
+	}
+
 	if len(req.FilterAddr) > 0 {
 		addr, err := address.DecodeAddress(
 			req.FilterAddr, &r.cfg.ChainParams,