Levels (mavkit-shell-libs.Mavryk_shell_services.Chain

val checkpoint : 
  Mavryk_rpc.Context.simple ->
  ?chain:chain ->
  unit ->
  (Mavryk_base.TzPervasives.Block_hash.t * int32)
    Mavryk_base.TzPervasives.tzresult
    Lwt.t

val savepoint : 
  Mavryk_rpc.Context.simple ->
  ?chain:chain ->
  unit ->
  (Mavryk_base.TzPervasives.Block_hash.t * int32)
    Mavryk_base.TzPervasives.tzresult
    Lwt.t

val caboose : 
  Mavryk_rpc.Context.simple ->
  ?chain:chain ->
  unit ->
  (Mavryk_base.TzPervasives.Block_hash.t * int32)
    Mavryk_base.TzPervasives.tzresult
    Lwt.t