[crazy][crazy] finding a few cert prints of electrum nodes for different currencies

[Undiscussed Horrific Abuse, One Victim of Many]

current source. throwing encoding error from hashlib.

import electrumx
import aiorpcx

import asyncio
import hashlib
import ssl

async def main():
    coin_peers = {
        coin.NAME: coin.PEERS
        for coin in
electrumx.lib.coins.util.subclasses(electrumx.lib.coins.Coin)
        if len(coin.PEERS) > 0
    }

    nonverifying_ssl = ssl.SSLContext(ssl.PROTOCOL_TLS)

    for name, peers in coin_peers.items():
        try:
            for peer in peers:
                peer = electrumx.lib.peer.Peer.from_real_name(peer, '')
                cert_msg = ''
                client = aiorpcx.connect_rs(peer.host, peer.ssl_port, ssl=True)
                try:
                    transport, protocol = await client.create_connection()
                except ssl.SSLCertVerificationError as err:
                    if err.reason != 'CERTIFICATE_VERIFY_FAILED':
                        raise
                    else:
                        cert_msg = err.verify_message
                        client = aiorpcx.connect_rs(peer.host,
peer.ssl_port, ssl=nonverifying_ssl)
                        transport, protocol = await client.create_connection()
                try:
                    print('connected to', name, peer.real_name(),
protocol.session)
                    ssl_obj =
protocol.session.transport._asyncio_transport.get_extra_info('ssl_object')
                    der_cert = ssl_obj.getpeercert(True)
                    pem_cert = ssl.DER_cert_to_PEM_cert(der_cert)
                    for alg in 'md5 sha1 sha256 blake2b'.split(' '):
                        cert_print = getattr(hashlib, alg)(pem_cert).hexdigest()
                        print(peer.real_name(), alg, cert_print)
                finally:
                    protocol.session.close()
        except KeyError:
            continue

asyncio.run(main())