Helpers (octez-evm-node-libs.Evm_node_lib_dev

val keccak256 : Tezos_base.TzPervasives.Hex.t -> Hacl_star__Hacl.bytes

val encode_i32_le : int32 -> bytes

val encoding_with_optional_last_param : 
  'a Tezos_base.TzPervasives.Data_encoding.encoding ->
  'b Tezos_base.TzPervasives.Data_encoding.encoding ->
  'b ->
  ('a * 'b) Tezos_base.TzPervasives.Data_encoding.encoding

val z_to_hexa : Z.t -> string

val decode_z_le : bytes -> Z.t

val decode_z_be : bytes -> Z.t

val fold_left_option : ('a -> 'b -> 'a option) -> 'a -> 'b list -> 'a option