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signet

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Lightweight Ethereum and Solana RPC client for Elixir

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signet lib signet.ex
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lib/signet.ex 

defmodule Signet do

  @moduledoc """

  Signet is a library for interacting with private keys, signatures, and Etheruem.

  """



  @type address :: <<_::160>>

  @type signature :: <<_::520>>

  @type bytes32 :: <<_::256>>

  @type contract :: address() | atom()



  @doc ~S"""

  Returns a contract address, that may have been set in configuration.



  ## Examples



      iex> Signet.get_contract_address(<<1::160>>)

      <<1::160>>



      iex> Signet.get_contract_address("0x0000000000000000000000000000000000000001")

      <<1::160>>



      iex> Application.put_env(:signet, :contracts, [test: "0x0000000000000000000000000000000000000001"])

      iex> Signet.get_contract_address(:test)

      <<1::160>>



      iex> Application.put_env(:signet, :contracts, [test: "0x0000000000000000000000000000000000000001"])

      iex> Signet.get_contract_address(:test_00)

      ** (KeyError) key :test_00 not found in: [test: "0x0000000000000000000000000000000000000001"]

  """

  def get_contract_address(address) when is_binary(address),

    do: Signet.Util.decode_hex_input!(address)



  def get_contract_address(contract) when is_atom(contract) do

    Application.get_env(:signet, :contracts, [])

    |> Keyword.fetch!(contract)

    |> Signet.Util.decode_hex_input!()

  end

end