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Lightweight Ethereum and Solana RPC client for Elixir
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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> Signet.get_contract_address(:test)
** (KeyError) key :test not found in: []
"""
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