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lib/ethers/execution_error.ex
defmodule Ethers.ExecutionError do
@moduledoc """
Execution Error Exception.
The Exception struct will have these values:
- `message`: Human readable error message
- `evm_error`: A custom error from the contract. (An Error Struct)
"""
defexception [:message, :evm_error]
@impl true
def exception(%{"code" => _} = evm_error) do
%__MODULE__{
message: Map.get(evm_error, "message", "unknown error!"),
evm_error: evm_error
}
end
def exception(error) when is_exception(error), do: error
def exception(error) when is_struct(error) do
%__MODULE__{message: inspect(error), evm_error: error}
end
def exception(error) do
%__MODULE__{message: "Unexpected error: #{maybe_inspect_error(error)}"}
end
defp maybe_inspect_error(error) when is_atom(error), do: Atom.to_string(error)
defp maybe_inspect_error(error), do: inspect(error)
end