Register the callers account id so that it can be used in contract interactions.
This will error if the origin is already mapped or is a eth native Address20. It will take a deposit that can be released by calling [Self::unmap_account].
Address20
Self::unmap_account
Register the callers account id so that it can be used in contract interactions.
This will error if the origin is already mapped or is a eth native
Address20. It will take a deposit that can be released by calling [Self::unmap_account].