diff --git a/src/protobuf/rpc.rs b/src/protobuf/rpc.rs
index a044e8a..d0dc780 100644
--- a/src/protobuf/rpc.rs
+++ b/src/protobuf/rpc.rs
@@ -19,6 +19,113 @@ impl fmt::Display for Error {
   }
 }
 
+impl Error {
+  pub const PARSE: i32 = -32700;
+  pub const INVALID_REQUEST: i32 = -32600;
+  pub const INVALID_PARAMS: i32 = -32602;
+  pub const INTERNAL: i32 = -32603;
+  pub const SERVER_00: i32 = -32000;
+  pub const SERVER_01: i32 = -32001;
+  pub const SERVER_02: i32 = -32002;
+  pub const SERVER_03: i32 = -32003;
+  pub const SERVER_04: i32 = -32004;
+  pub const SERVER_05: i32 = -32005;
+  pub const SERVER_06: i32 = -32006;
+  pub const SERVER_07: i32 = -32007;
+  pub const SERVER_08: i32 = -32008;
+  pub const SERVER_09: i32 = -32009;
+  pub const SERVER_10: i32 = -32010;
+  pub const SERVER_11: i32 = -32011;
+  pub const SERVER_12: i32 = -32012;
+  pub const SERVER_13: i32 = -32013;
+  pub const SERVER_14: i32 = -32014;
+  pub const SERVER_15: i32 = -32015;
+  pub const SERVER_16: i32 = -32016;
+  pub const SERVER_17: i32 = -32017;
+  pub const SERVER_18: i32 = -32018;
+  pub const SERVER_19: i32 = -32019;
+  pub const SERVER_20: i32 = -32020;
+  pub const SERVER_21: i32 = -32021;
+  pub const SERVER_22: i32 = -32022;
+  pub const SERVER_23: i32 = -32023;
+  pub const SERVER_24: i32 = -32024;
+  pub const SERVER_25: i32 = -32025;
+  pub const SERVER_26: i32 = -32026;
+  pub const SERVER_27: i32 = -32027;
+  pub const SERVER_28: i32 = -32028;
+  pub const SERVER_29: i32 = -32029;
+  pub const SERVER_30: i32 = -32030;
+  pub const SERVER_31: i32 = -32031;
+  pub const SERVER_32: i32 = -32032;
+  pub const SERVER_33: i32 = -32033;
+  pub const SERVER_34: i32 = -32034;
+  pub const SERVER_35: i32 = -32035;
+  pub const SERVER_36: i32 = -32036;
+  pub const SERVER_37: i32 = -32037;
+  pub const SERVER_38: i32 = -32038;
+  pub const SERVER_39: i32 = -32039;
+  pub const SERVER_40: i32 = -32040;
+  pub const SERVER_41: i32 = -32041;
+  pub const SERVER_42: i32 = -32042;
+  pub const SERVER_43: i32 = -32043;
+  pub const SERVER_44: i32 = -32044;
+  pub const SERVER_45: i32 = -32045;
+  pub const SERVER_46: i32 = -32046;
+  pub const SERVER_47: i32 = -32047;
+  pub const SERVER_48: i32 = -32048;
+  pub const SERVER_49: i32 = -32049;
+  pub const SERVER_50: i32 = -32050;
+  pub const SERVER_51: i32 = -32051;
+  pub const SERVER_52: i32 = -32052;
+  pub const SERVER_53: i32 = -32053;
+  pub const SERVER_54: i32 = -32054;
+  pub const SERVER_55: i32 = -32055;
+  pub const SERVER_56: i32 = -32056;
+  pub const SERVER_57: i32 = -32057;
+  pub const SERVER_58: i32 = -32058;
+  pub const SERVER_59: i32 = -32059;
+  pub const SERVER_60: i32 = -32060;
+  pub const SERVER_61: i32 = -32061;
+  pub const SERVER_62: i32 = -32062;
+  pub const SERVER_63: i32 = -32063;
+  pub const SERVER_64: i32 = -32064;
+  pub const SERVER_65: i32 = -32065;
+  pub const SERVER_66: i32 = -32066;
+  pub const SERVER_67: i32 = -32067;
+  pub const SERVER_68: i32 = -32068;
+  pub const SERVER_69: i32 = -32069;
+  pub const SERVER_70: i32 = -32070;
+  pub const SERVER_71: i32 = -32071;
+  pub const SERVER_72: i32 = -32072;
+  pub const SERVER_73: i32 = -32073;
+  pub const SERVER_74: i32 = -32074;
+  pub const SERVER_75: i32 = -32075;
+  pub const SERVER_76: i32 = -32076;
+  pub const SERVER_77: i32 = -32077;
+  pub const SERVER_78: i32 = -32078;
+  pub const SERVER_79: i32 = -32079;
+  pub const SERVER_80: i32 = -32080;
+  pub const SERVER_81: i32 = -32081;
+  pub const SERVER_82: i32 = -32082;
+  pub const SERVER_83: i32 = -32083;
+  pub const SERVER_84: i32 = -32084;
+  pub const SERVER_85: i32 = -32085;
+  pub const SERVER_86: i32 = -32086;
+  pub const SERVER_87: i32 = -32087;
+  pub const SERVER_88: i32 = -32088;
+  pub const SERVER_89: i32 = -32089;
+  pub const SERVER_90: i32 = -32090;
+  pub const SERVER_91: i32 = -32091;
+  pub const SERVER_92: i32 = -32092;
+  pub const SERVER_93: i32 = -32093;
+  pub const SERVER_94: i32 = -32094;
+  pub const SERVER_95: i32 = -32095;
+  pub const SERVER_96: i32 = -32096;
+  pub const SERVER_97: i32 = -32097;
+  pub const SERVER_98: i32 = -32098;
+  pub const SERVER_99: i32 = -32099;
+}
+
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct InvalidParamsDetail {
   #[prost(string, tag = "1")]