View Source Signet.Erc20.Call (Signet v1.3.8)

Module to call operations and receive return value, without sending a transaction.

Summary

Calls the balanceOf operation, returning the result of the Ethereum function call.

Calls the transfer operation, returning the result of the Ethereum function call.

@spec balance_of(Signet.contract(), Signet.address(), [Signet.Erc20.call_opts()]) ::
  {:ok, number()} | {:error, term()}

Calls the balanceOf operation, returning the result of the Ethereum function call.

iex> Signet.Erc20.Call.balance_of(<<0xCC>>, <<0xDD>>)
{:ok, <<>>}

@spec transfer(Signet.contract(), Signet.address(), non_neg_integer(), [
  Signet.Erc20.call_opts()
]) ::
  binary()

Calls the transfer operation, returning the result of the Ethereum function call.

iex> Signet.Erc20.Call.transfer(<<0xCC>>, <<0xDD>>, 100_000)
{:ok, <<>>}