feat!: add node status endpoint (#15597)

Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>
Co-authored-by: Facundo Medica <14063057+facundomedica@users.noreply.github.com>

proto/cosmos/base/node/v1beta1/query.proto

@@ -2,6 +2,8 @@ syntax = "proto3";
 package cosmos.base.node.v1beta1;
 
 import "google/api/annotations.proto";
+import "google/protobuf/timestamp.proto";
+import "gogoproto/gogo.proto";
 
 option go_package = "github.com/cosmos/cosmos-sdk/client/grpc/node";
 
@@ -11,6 +13,10 @@ service Service {
   rpc Config(ConfigRequest) returns (ConfigResponse) {
     option (google.api.http).get = "/cosmos/base/node/v1beta1/config";
   }
+  // Status queries for the node status.
+  rpc Status(StatusRequest) returns (StatusResponse) {
+    option (google.api.http).get = "/cosmos/base/node/v1beta1/status";
+  }
 }
 
 // ConfigRequest defines the request structure for the Config gRPC query.
@@ -19,4 +25,19 @@ message ConfigRequest {}
 // ConfigResponse defines the response structure for the Config gRPC query.
 message ConfigResponse {
   string minimum_gas_price = 1;
+  // pruning settings
+  string pruning_keep_recent = 2;
+  string pruning_interval    = 3;
+}
+
+// StateRequest defines the request structure for the status of a node.
+message StatusRequest {}
+
+// StateResponse defines the response structure for the status of a node.
+message StatusResponse {
+  uint64                    earliest_store_height = 1;                               // earliest block height available in the store
+  uint64                    height                = 2;                               // current block height
+  google.protobuf.Timestamp timestamp             = 3 [(gogoproto.stdtime) = true];  // block height timestamp
+  bytes                     app_hash              = 4;                               // app hash of the current block
+  bytes                     validator_hash        = 5;                               // validator hash provided by the consensus header
 }