state query

proto/feemarket/feemarket/v1/query.proto

@@ -6,6 +6,7 @@ option go_package = "github.com/skip-mev/feemarket/x/feemarket/types";
 import "gogoproto/gogo.proto";
 import "google/api/annotations.proto";
 import "feemarket/feemarket/v1/params.proto";
+import "feemarket/feemarket/v1/genesis.proto";
 
 // Query Service for the feemarket module.
 service Query {
@@ -15,10 +16,23 @@ service Query {
       get : "/feemarket/v1/params"
     };
   };
+
+  // State returns the current feemarket module state.
+  rpc State(StateRequest) returns (StateResponse) {
+    option (google.api.http) = {
+      get : "/feemarket/v1/state"
+    };
+  };
 }
 
 // ParamsRequest is the request type for the Query/Params RPC method.
 message ParamsRequest {}
 
 // ParamsResponse is the response type for the Query/Params RPC method.
 message ParamsResponse { Params params = 1 [ (gogoproto.nullable) = false ]; }
+
+// StateRequest is the request type for the Query/State RPC method.
+message StateRequest {}
+
+// StateResponse is the response type for the Query/State RPC method.
+message StateResponse { State state = 1 [ (gogoproto.nullable) = false ]; }

x/feemarket/client/cli/query.go

@@ -24,6 +24,7 @@ func GetQueryCmd() *cobra.Command {
 	// add sub-commands
 	cmd.AddCommand(
 		GetParamsCmd(),
+		GetStateCmd(),
 	)
 
 	return cmd
@@ -55,3 +56,30 @@ func GetParamsCmd() *cobra.Command {
 
 	return cmd
 }
+
+// GetStateCmd returns the cli-command that queries the current feemarket state.
+func GetStateCmd() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "state",
+		Short: "Query for the current feemarket state",
+		Args:  cobra.NoArgs,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			queryClient := types.NewQueryClient(clientCtx)
+			resp, err := queryClient.State(cmd.Context(), &types.StateRequest{})
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(&resp.State)
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}

x/feemarket/keeper/query_server.go

@@ -31,3 +31,15 @@ func (q QueryServer) Params(goCtx context.Context, _ *types.ParamsRequest) (*typ
 
 	return &types.ParamsResponse{Params: params}, nil
 }
+
+// State defines a method that returns the current feemarket state.
+func (q QueryServer) State(goCtx context.Context, _ *types.StateRequest) (*types.StateResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	state, err := q.k.GetState(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return &types.StateResponse{State: state}, nil
+}