• Spawn a fresh new account that is guaranteed to be otherwise inaccessible, and initialize it with a proxy of proxy_type for origin sender.

    NOTE: Was named anonymous before v9300

    Requires a Signed origin

    Fails with Duplicate if this has already been called in this transaction, from the same sender, with the same parameters.

    Fails if there are insufficient funds to pay for deposit.

    Parameters

    Returns UnsignedTransaction