Add a command to get naming info

x/registry/keeper/naming_keeper.go

@@ -40,8 +40,8 @@ func (k Keeper) GetNameAuthority(ctx sdk.Context, name string) (registrytypes.Na
 }
 
 // HasNameRecord - checks if a name record exists.
-func (k Keeper) HasNameRecord(ctx sdk.Context, crn string) bool {
-	panic("unimplemented")
+func (k Keeper) HasNameRecord(ctx sdk.Context, crn string) (bool, error) {
+	return k.NameRecords.Has(ctx, crn)
 }
 
 // GetNameRecord - gets a name record from the store.

x/registry/keeper/query_server.go

@@ -118,13 +118,20 @@ func (qs queryServer) Whois(c context.Context, request *registrytypes.QueryWhois
 func (qs queryServer) LookupCrn(c context.Context, req *registrytypes.QueryLookupCrnRequest) (*registrytypes.QueryLookupCrnResponse, error) {
 	ctx := sdk.UnwrapSDKContext(c)
 	crn := req.GetCrn()
-	if !qs.k.HasNameRecord(ctx, crn) {
+
+	crnExists, err := qs.k.HasNameRecord(ctx, crn)
+	if err != nil {
+		return nil, err
+	}
+	if !crnExists {
 		return nil, errorsmod.Wrap(sdkerrors.ErrUnknownRequest, "CRN not found.")
 	}
+
 	nameRecord, _ := qs.k.LookupNameRecord(ctx, crn)
 	if nameRecord == nil {
 		return nil, errorsmod.Wrap(sdkerrors.ErrUnknownRequest, "name record not found.")
 	}
+
 	return &registrytypes.QueryLookupCrnResponse{Name: nameRecord}, nil
 }
 

x/registry/module/autocli.go

@@ -51,6 +51,14 @@ func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions {
 						{ProtoField: "name"},
 					},
 				},
+				{
+					RpcMethod: "LookupCrn",
+					Use:       "lookup [crn]",
+					Short:     "Get naming info for CRN",
+					PositionalArgs: []*autocliv1.PositionalArgDescriptor{
+						{ProtoField: "crn"},
+					},
+				},
 				{
 					RpcMethod:      "GetRegistryModuleBalance",
 					Use:            "balance",