Source file tx_rollup_l2_qty.ml

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include Compare.Int64

let zero = 0L

let one = 1L

let of_int64 q = if q < 0L then None else Some q

let of_int64_exn q =
  match of_int64 q with
  | Some q -> q
  | None -> invalid_arg "Tx_rollup_l2_qty.of_int64_exn"

let to_int64 q = q

let to_z = Z.of_int64

let to_string q = Int64.to_string q

let of_string q = Option.bind (Int64.of_string_opt q) of_int64

let pp fmt q = Format.pp_print_string fmt (to_string q)

let compact_encoding = Data_encoding.Compact.(conv to_int64 of_int64_exn int64)

let encoding = Data_encoding.Compact.(make ~tag_size:`Uint8 compact_encoding)

let sub q1 q2 = if q2 <= q1 then Some (Int64.sub q1 q2) else None

let add q1 q2 =
  let q = Int64.add q1 q2 in
  if q < q1 then None else Some q

let succ q = add q one

let ( - ) = sub

let ( + ) = add