return all registered members if there is no query string

x/fbridge/keeper/grpc_query.go

@@ -91,17 +91,24 @@ func (k Keeper) Members(goCtx context.Context, req *types.QueryMembersRequest) (
  }
 
  ctx := sdk.UnwrapSDKContext(goCtx)
- role, found := types.QueryParamToRole[req.Role]
- if !found {
- return nil, status.Error(codes.InvalidArgument, "invalid role")
- }
-
- members := make([]string, 0)
  roles := k.GetRolePairs(ctx)
- for _, pair := range roles {
- if pair.Role == role {
+ members := make([]string, 0)
+
+ if req.Role == "" {
+ for _, pair := range roles {
  members = append(members, pair.Address)
  }
+ } else {
+ role, found := types.QueryParamToRole[req.Role]
+ if !found {
+ return nil, status.Error(codes.InvalidArgument, "invalid role")
+ }
+
+ for _, pair := range roles {
+ if pair.Role == role {
+ members = append(members, pair.Address)
+ }
+ }
  }
 
  return &types.QueryMembersResponse{Members: members}, nil