Packages

ton

0.4.0
0.5.1 0.5.0 0.4.10 0.4.9 0.4.8 0.4.7 0.4.6 0.4.5 0.4.4 0.4.3 0.4.2 0.4.1 0.4.0 0.3.4 0.3.3 0.3.2 0.3.1 0.3.0 0.2.2 0.2.1 0.2.0 0.1.0

TON (The Open Network) SDK

HexDocs

Current section

Files

Jump to
Readme
22 Versions
4 Dependencies
Dependants
Files
Activity
ton lib ton utils.ex
Raw

lib/ton/utils.ex 

defmodule Ton.Utils do

  @moduledoc """

  Various utility functions

  """



  @spec read_n_bytes_uint(binary(), non_neg_integer()) :: {non_neg_integer(), binary()}

  def read_n_bytes_uint(binary_data, n) do

    <<prefix::binary-size(n), tail::binary>> = binary_data



    result =

      prefix

      |> :binary.bin_to_list()

      |> Enum.reduce(0, fn byte, acc ->

        acc * 256 + byte

      end)



    {result, tail}

  end



  @spec sha256(binary()) :: binary()

  def sha256(binary_data) do

    :crypto.hash(:sha256, binary_data)

  end



  @spec sign(binary(), binary()) :: binary()

  def sign(data, private_key) do

    {:ok, signature} = Cafezinho.sign(data, private_key)



    signature

  end

end