[spam][crazy] Adding Cert Pinning to E-X

[Undiscussed Horrific Abuse, One Victim of Many]

When I get confused around how the python code connects to asyncio's
socket stuff, I visit aiorpcx/rawsocket.py and check the RSClient
class. This is where kyuupichan's code makes network connections and
connects with asyncio.

Access to the transport can be seen in
RSTransport.connection_made(transport) in that same file, where the
transport is queried for its peername:
transport.get_extra_info('peername').

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I'd like to look at the documentation of this. I think I find that
from some keyword where the connection is initiated, maybe in the
server code outside of aiorpcx. To find that I search for calls to
`connect_rs` which is how aiorpcx exports its RSClient class
constructor to look like a function.

Popping around a bit: it's loop.create_connection . I can websearch
that with some catalysing term like 'asyncio'.

And it worked; here's the python documentation on this:
https://docs.python.org/3/library/asyncio-eventloop.html#opening-network-connections