In `add_p2p_connection()` we connect to `bitcoind` from the Python
client and check that it has received our version string.
This check looked up the last/newest entry from `getpeerinfo` RPC,
assuming that it must be the connection we have just opened. But this
will not be the case if a new inbound or outbound connection is made
to/from `bitcoind` in the meantime.
Instead of the last entry in `getpeerinfo`, check all and find the one
which corresponds to our connection using our outgoing address:port
tuple which is unique.
Co-authored-by: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Co-authored-by: Jon Atack <jon@atack.com>