client2.py

import cbor
import json
import socket

PORT = 50001
HOST = 'localhost'


class Client:
    def __init__(self):
        self.s = socket.create_connection((HOST, PORT))
        self.f = self.s.makefile('r')
        self.id = 0

    def call(self, method, *args):
        req = {
            'id': self.id,
            'method': method,
            'params': list(args),
            'jsonrpc': '2.0',
        }
        msg = json.dumps(req) + '\n'
        self.s.sendall(msg.encode('ascii'))
        self.id += 1
        return json.loads(self.f.readline())

    def ping(self) -> bytes:
        return self.call("server.ping")

    def identify(self) -> bytes:
        return self.call("server.version", "", "1.4")

    def check_transaction(self):
        # Testnet ?
        # return self.call('blockchain.transaction.get', '40e877718adbe002b5da45222f96b203be8169686b946e157ec88844c68e0cf5')
        # Signet
        return self.call('blockchain.transaction.get', 'd8cf417bd59b438620a8ba5fed88b77a070f6e753003695372980b61f0b11939')

    def stop(self) -> None:
        self.s.close()


if __name__ == "__main__":
    c = Client()
    print(c.identify())
    print(c.ping())
    print(c.check_transaction())
    print(c.stop())