ConfluxPortal uses the
conflux.sendAsync() (and soon,
to wrap an RPC API which is based on an interface exposed by all Conflux
clients, with some extra methods that are provided by ConfluxPortal, as a
key-holding signer. You can look up how to pass these methods to the
window.conflux object here.
This document is a cross-post of EIP 1474, which aims to standardize the declaration of this interface.
For the full API, please see EIP 1474.