feat: initial schema

protobufs/arbiter.proto

@@ -0,0 +1,23 @@
+syntax = "proto3";
+
+package arbiter;
+
+import "auth.proto";
+
+message ClientMessage {
+    oneof payload {
+        arbiter.auth.AuthChallengeRequest auth_challenge_request = 1;
+        arbiter.auth.AuthChallengeSolution auth_challenge_solution = 2;
+    }
+}
+
+message ServerMessage {
+    oneof payload {
+        arbiter.auth.AuthChallenge auth_challenge = 1;
+        arbiter.auth.AuthResponse auth_response = 2;
+    }
+}
+
+service Server {
+    rpc Communicate(stream ClientMessage) returns (stream ServerMessage);
+}

protobufs/auth.proto

@@ -11,22 +11,17 @@ message AuthChallengeRequest {
 message AuthChallenge {
     bytes pubkey = 1;
     bytes nonce = 2;
-    google.protobuf.Timestamp minted = 3; 
+    google.protobuf.Timestamp minted = 3 ; 
 }
 
 message AuthChallengeSolution {
-    AuthChallenge challenge = 1;
+    AuthChallenge challenge = 1 ;
     bytes signature = 2;
 }
 
 message AuthResponse {
     string token = 1;
     string refresh_token = 2;
-    google.protobuf.Timestamp expires_at = 3;
-    google.protobuf.Timestamp refresh_expires_at = 4;
-}
-
-service AuthService {
-    rpc GetChallenge(AuthChallengeRequest) returns (AuthChallenge);
-    rpc SubmitSolution(AuthChallengeSolution) returns (AuthResponse);
-}
+    google.protobuf.Timestamp expires_at = 3 ;
+    google.protobuf.Timestamp refresh_expires_at = 4 ;
+}

protobufs/evm.proto

@@ -1,2 +0,0 @@
-syntax = "proto3";
-package arbiter.evm;