feat: add endpoint to get g1 and g2 pubkeys (#8)

* feat: add endpoint to get g1 and g2 pubkeys

* break existing api for returning

* break signer api too

* update api

* add getkeymetadata endpoint

* update comment

Author: shrimalmadhur

README.md

@@ -1,7 +1,12 @@
-## cerberus-api
+# cerberus-api
 This is the API spec of remote signer. 
 The spec currently only support BLS on bn254 signing. 
 
+## Disclaimer
+🚧 Cerberus-api is under active development and has not been audited.
+Cerberus-api is rapidly being upgraded, features may be added, removed or otherwise improved or modified and interfaces will have breaking changes.
+Cerberus-api should be used only for testing purposes and not in production. Cerberus-api is provided "as is" and Eigen Labs, Inc. does not guarantee its functionality or provide support for its use in production. 🚧
+
 ## Supported Bindings
 ### Go
 The go bindings resides in [pkg/api/vi](pkg/api/v1) directory.

pkg/api/v1/key_manager.pb.go

@@ -8,6 +8,7 @@ service KeyManager {
   rpc GenerateKeyPair(GenerateKeyPairRequest) returns (GenerateKeyPairResponse) {}
   rpc ImportKey(ImportKeyRequest) returns (ImportKeyResponse) {}
   rpc ListKeys(ListKeysRequest) returns (ListKeysResponse) {}
+  rpc GetKeyMetadata(GetKeyMetadataRequest) returns (GetKeyMetadataResponse) {}
 }
 
 message GenerateKeyPairRequest {
@@ -18,14 +19,17 @@ message GenerateKeyPairRequest {
 }
 
 message GenerateKeyPairResponse {
-  // Public key hex of the generated keypair
-  string public_key = 1;
+  // G1 Public key hex of the generated keypair
+  string public_key_g1 = 1;
 
   // Private key hex of the generated keypair
   string private_key = 2;
 
   // Mnemonic of the generated keypair
   string mnemonic = 3;
+
+  // G2 Public key hex of the generated keypair
+  string public_key_g2 = 4;
 }
 
 message ImportKeyRequest {
@@ -37,17 +41,41 @@ message ImportKeyRequest {
 
   // Password to encrypt the private key
   string password = 3;
-
 }
 
 message ImportKeyResponse {
-  // Public key hex of the imported keypair
-  string public_key = 1;
+  // G1 Public key hex of the imported keypair
+  string public_key_g1 = 1;
+  // G2 Public key hex of the imported keypair
+  string public_key_g2 = 2;
+}
+
+message PublicKey {
+  // G1 Public key
+  string public_key_g1 = 1;
+  // G2 Public key
+  string public_key_g2 = 2;
 }
 
 message ListKeysRequest {}
 
 message ListKeysResponse {
   // List of public keys
-  repeated string public_keys = 1;
-}
+  repeated PublicKey public_keys = 1;
+}
+
+message GetKeyMetadataRequest {
+  // Public key to get
+  string public_key_g1 = 1;
+}
+
+message GetKeyMetadataResponse {
+  // Public key G1
+  string public_key_g1 = 1;
+  // Public key G2
+  string public_key_g2 = 2;
+  // Unix timestamp of when the key was created
+  int64 created_at = 3;
+  // Unix timestamp of when the key was last updated
+  int64 updated_at = 4;
+}

pkg/api/v1/key_manager.pb.gw.go

@@ -9,8 +9,8 @@ service Signer {
 }
 
 message SignGenericRequest {
-  // Public key of the keypair to sign with
-  string public_key = 1;
+  // G1 public key of the keypair to sign with
+  string public_key_g1 = 1;
 
   // Data to sign
   bytes data = 2;