Slashing Protection RPC Endpoints for Web Backend (#8723)

* added the removed RPC delete account to accounts.go  and the rpc in proto

* reverted the 3 unit tests namely the failed derived delete, no pub keys provided and the successful imported account with provided public keys; also  brought back the createImportedWalletWithAccounts back in wallet_test.go

* strong password defined elsewhere- removed

* Update validator/rpc/accounts_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* added PublicKeys Nil test case

* changed ss to s. ss was a bad name inthe first place

* goimports -w root

* fixed the goimports before running the proto scripts, also changed the deleterequest variable to PublicKeysToDelete

* removed unneeded comment

* added test case for derived, changed delete account to be for both imported and derived

* gofmt

* unrelated files

* unrelated files

* unrelatedfiles restored

* revert unrelated files

* changed the last ss

* adding slashign endpoints

* adding the rpc export and import funcs, still need more testing and add unit tests

* added import slashing unit test

* clean up

* remove less

* Update proto/validator/accounts/v2/web_api.proto

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>

* Update proto/validator/accounts/v2/web_api.proto

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>

* Update proto/validator/accounts/v2/web_api.proto

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>

* Update proto/validator/accounts/v2/web_api.proto

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>

* camelCase Proto

* update slashing_protection_json

* update proto

* register in validator/rpc/gateway

* removed the server db creation, the validator cannot begin with a null db

* round trip test

* gofmt

* Update validator/rpc/slashing.go

* Update validator/rpc/slashing.go

* Update validator/rpc/slashing.go

* Update validator/rpc/slashing.go

* Update validator/rpc/slashing.go

* Update validator/rpc/slashing.go

* Update validator/rpc/slashing.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>

proto/validator/accounts/v2/web_api.proto

@@ -110,6 +110,21 @@ service Beacon {
     }
 }
 
+service SlashingProtection {
+    rpc ExportSlashingProtection(google.protobuf.Empty) returns (ExportSlashingProtectionResponse) {
+        option (google.api.http) = {
+            post: "/v2/validator/slashing-protection/export"
+            body: "*"
+        };
+    }
+    rpc ImportSlashingProtection(ImportSlashingProtectionRequest) returns (google.protobuf.Empty) {
+        option (google.api.http) = {
+            post: "/v2/validator/slashing-protection/import"
+            body: "*"
+        };
+    }
+}
+
 service Health {
     rpc GetBeaconNodeConnection(google.protobuf.Empty) returns (NodeConnectionResponse) {
         option (google.api.http) = {
@@ -371,3 +386,12 @@ message DeleteAccountsResponse {
     // List of public keys successfully deleted.
     repeated bytes deleted_keys = 1;
 }
+message ExportSlashingProtectionResponse {
+    // JSON representation of the slash protection
+    string file = 1;
+}
+
+message ImportSlashingProtectionRequest {
+    // JSON representation of the slash protection
+    string slashing_protection_json = 1;
+}

validator/rpc/BUILD.bazel

@@ -11,6 +11,7 @@ go_library(
         "intercepter.go",
         "log.go",
         "server.go",
+        "slashing.go",
         "wallet.go",
     ],
     importpath = "github.com/prysmaticlabs/prysm/validator/rpc",
@@ -40,6 +41,7 @@ go_library(
         "//validator/keymanager:go_default_library",
         "//validator/keymanager/derived:go_default_library",
         "//validator/keymanager/imported:go_default_library",
+        "//validator/slashing-protection/local/standard-protection-format:go_default_library",
         "@com_github_dgrijalva_jwt_go//:go_default_library",
         "@com_github_gogo_protobuf//types:go_default_library",
         "@com_github_grpc_ecosystem_go_grpc_middleware//:go_default_library",
@@ -60,6 +62,7 @@ go_library(
         "@org_golang_google_grpc//metadata:go_default_library",
         "@org_golang_google_grpc//reflection:go_default_library",
         "@org_golang_google_grpc//status:go_default_library",
+        "@org_golang_google_protobuf//types/known/emptypb:go_default_library",
         "@org_golang_x_crypto//bcrypt:go_default_library",
     ],
 )
@@ -73,6 +76,7 @@ go_test(
         "health_test.go",
         "intercepter_test.go",
         "server_test.go",
+        "slashing_test.go",
         "wallet_test.go",
     ],
     embed = [":go_default_library"],
@@ -92,10 +96,12 @@ go_test(
         "//validator/accounts/iface:go_default_library",
         "//validator/accounts/wallet:go_default_library",
         "//validator/client:go_default_library",
+        "//validator/db/kv:go_default_library",
         "//validator/db/testing:go_default_library",
         "//validator/keymanager:go_default_library",
         "//validator/keymanager/derived:go_default_library",
         "//validator/keymanager/imported:go_default_library",
+        "//validator/slashing-protection/local/standard-protection-format/format:go_default_library",
         "//validator/testing:go_default_library",
         "@com_github_dgrijalva_jwt_go//:go_default_library",
         "@com_github_gogo_protobuf//types:go_default_library",

validator/rpc/gateway/gateway.go

@@ -62,6 +62,7 @@ func (g *Gateway) Start() {
 		pb.RegisterHealthHandlerFromEndpoint,
 		pb.RegisterAccountsHandlerFromEndpoint,
 		pb.RegisterBeaconHandlerFromEndpoint,
+		pb.RegisterSlashingProtectionHandlerFromEndpoint,
 	}
 	for _, h := range handlers {
 		if err := h(ctx, gwmux, g.remoteAddr, opts); err != nil {

validator/rpc/server.go

@@ -187,6 +187,7 @@ func (s *Server) Start() {
 	pb.RegisterHealthServer(s.grpcServer, s)
 	pb.RegisterBeaconServer(s.grpcServer, s)
 	pb.RegisterAccountsServer(s.grpcServer, s)
+	pb.RegisterSlashingProtectionServer(s.grpcServer, s)
 
 	go func() {
 		if s.listener != nil {