.buildbot/ubuntu/Dockerfile

@@ -1,21 +0,0 @@
-FROM ubuntu:jammy
-
-RUN apt-get update
-
-RUN apt-get install -yq software-properties-common
-
-RUN apt-add-repository ppa:purplei2p/i2pd && apt-get update -qq
-
-RUN apt-get install -yq --no-install-suggests --no-install-recommends \
-    python3-dev python3-pip python-is-python3 python3.11-dev python3.11-venv
-
-RUN apt-get install -yq --no-install-suggests --no-install-recommends sudo i2pd
-
-RUN echo 'builder ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
-
-RUN pip install setuptools wheel
-RUN pip install --upgrade pip tox virtualenv
-
-ADD . .
-
-CMD .buildbot/ubuntu/build.sh && .buildbot/ubuntu/test.sh

.buildbot/ubuntu/build.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-sudo service i2pd start

.buildbot/ubuntu/test.sh

@@ -1,4 +0,0 @@
-#!/bin/sh
-
-tox -e lint-basic || exit 1
-tox

.dockerignore

@@ -1,3 +0,0 @@
-.git
-.tox
-dist

.github/workflows/test.yml

@@ -1,20 +0,0 @@
-name: Testing
-on: [push]
-
-jobs:
-  default:
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Install dependencies
-        run: |
-          apt-get update
-          apt-get install -yq --no-install-suggests --no-install-recommends \
-          python3-dev python3-pip python3-venv python-is-python3
-          pip install setuptools wheel
-          pip install --upgrade pip tox virtualenv
-      - name: Check out repository code
-        uses: actions/checkout@v3
-      - name: Quick lint
-        run: tox -e lint-basic
-      - name: Run tests
-        run: tox

LICENSE

@@ -1,7 +1,6 @@
 The MIT License (MIT)
 
 Copyright (c) 2016-2017 Krzysztof Oziomek
-Copyright (c) 2020-2023 The Bitmessage Developers
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

MANIFEST.in

@@ -1,3 +0,0 @@
-include LICENSE
-include README.md
-include *.sh

README.md

@@ -1,9 +1,5 @@
 # MiNode
-
-[![Testing](https://git.bitmessage.org/Bitmessage/MiNode/actions/workflows/test.yml/badge.svg)](https://git.bitmessage.org/Bitmessage/MiNode/actions?workflow=test.yml)
-
-Python 3 implementation of the Bitmessage protocol. Designed only to route
-objects inside the network.
+Python 3 implementation of the Bitmessage protocol. Designed only to route objects inside the network.
 
 ## Requirements
 - python3 (or pypy3)
@@ -11,16 +7,16 @@ objects inside the network.
 
 ## Running
 ```
-git clone https://git.bitmessage.org/Bitmessage/MiNode.git
+git clone https://github.com/TheKysek/MiNode.git
 ```
 ```
 cd MiNode
+chmod +x start.sh
 ./start.sh
 ```
 
-It is worth noting that the `start.sh` script no longer tries to do a
-`git pull` in order to update to the latest version.
-Is is now done by the `update.sh` script.
+It is worth noting that the `start.sh` file MiNode no longer tries to do a `git pull` in order to update to the latest version.
+Is is now done by the `update.sh` file.
 
 ## Command line
 ```
@@ -30,7 +26,6 @@ usage: main.py [-h] [-p PORT] [--host HOST] [--debug] [--data-dir DATA_DIR]
                [--connection-limit CONNECTION_LIMIT] [--i2p]
                [--i2p-tunnel-length I2P_TUNNEL_LENGTH]
                [--i2p-sam-host I2P_SAM_HOST] [--i2p-sam-port I2P_SAM_PORT]
-               [--i2p-transient]
 
 optional arguments:
   -h, --help            show this help message and exit
@@ -52,25 +47,19 @@ optional arguments:
                         Host of I2P SAMv3 bridge
   --i2p-sam-port I2P_SAM_PORT
                         Port of I2P SAMv3 bridge
-  --i2p-transient       Generate new I2P destination on start
 
 ```
-
 ## I2P support
 MiNode has support for connections over I2P network.
-To use it it needs an I2P router with SAMv3 activated
-(both Java I2P and i2pd are supported). Keep in mind that I2P connections
-are slow and full synchronization may take a while.
-
+To use it it needs an I2P router with SAMv3 activated (both Java I2P and i2pd are supported).
+Keep in mind that I2P connections are slow and full synchronization may take a while.
 ### Examples
-Connect to both IP and I2P networks (SAM bridge on default host and port
-127.0.0.1:7656) and set tunnel length to 3 (default is 2).
+Connect to both IP and I2P networks (SAM bridge on default host and port 127.0.0.1:7656) and set tunnel length to 3 (default is 2).
 ```
 $ ./start.sh --i2p --i2p-tunnel-length 3
 ```
 
-Connect only to I2P network and listen for IP connections only from local
-machine.
+Connect only to I2P network and listen for IP connections only from local machine.
 ```
 $ ./start.sh --i2p --no-ip --host 127.0.0.1
 ```
@@ -78,12 +67,10 @@ or
 ```
 $ ./i2p_bridge.sh
 ```
-If you add `trustedpeer = 127.0.0.1:8444` to `keys.dat` file in PyBitmessage it
-will allow you to use it anonymously over I2P with MiNode acting as a bridge.
-
+If you add `trustedpeer = 127.0.0.1:8444` to `keys.dat` file in PyBitmessage it will allow you to use it anonymously over I2P with MiNode acting as a bridge.
 ## Contact
-- lee.miller: BM-2cX1pX2goWAuZB5bLqj17x23EFjufHmygv
+- TheKysek: BM-2cVUMXVnQXmTJDmb7q1HUyEqkT92qjwGvJ
 
 ## Links
 - [Bitmessage project website](https://bitmessage.org)
-- [Protocol specification](https://pybitmessage.rtfd.io/en/v0.6/protocol.html)
+- [Protocol specification](https://bitmessage.org/wiki/Protocol_specification)

docker-test.sh

@@ -1,11 +0,0 @@
-#!/bin/sh
-
-DOCKERFILE=.buildbot/ubuntu/Dockerfile
-
-docker build -t minode/tox -f $DOCKERFILE .
-
-if [ $? -gt 0 ]; then
-    docker build --no-cache -t minode/tox -f $DOCKERFILE .
-fi
-
-docker run --rm -it minode/tox

i2p_bridge.sh

@@ -1,2 +1,2 @@
 #!/bin/sh
-python3 -m minode.main --i2p --no-ip --host 127.0.0.1 "$@"
+python3 minode/main.py --i2p --no-ip --host 127.0.0.1 "$@"

minode/advertiser.py

@@ -1,15 +1,12 @@
-"""
-Advertiser thread advertises new addresses and objects among all connections
-"""
 import logging
 import threading
 import time
 
-from . import message, shared
+import message
+import shared
 
 
 class Advertiser(threading.Thread):
-    """The advertiser thread"""
     def __init__(self):
         super().__init__(name='Advertiser')
 
@@ -38,8 +35,7 @@ class Advertiser(threading.Thread):
         while not shared.address_advertise_queue.empty():
             addr = shared.address_advertise_queue.get()
             if addr.port == 'i2p':
-                # We should not try to construct Addr messages
-                # with I2P destinations (yet)
+                # We should not try to construct Addr messages with I2P destinations (yet)
                 continue
             addresses_to_advertise.add(addr)
         if len(addresses_to_advertise) > 0:

minode/connection.py

@@ -1,9 +1,7 @@
 # -*- coding: utf-8 -*-
-"""The logic and behaviour of a single connection"""
 import base64
 import errno
 import logging
-import math
 import random
 import select
 import socket
@@ -12,18 +10,13 @@ import threading
 import queue
 import time
 
-from . import message, shared, structure
+import message
+import shared
+import structure
 
 
-class ConnectionBase(threading.Thread):
-    """
-    Common code for the connection thread
-    with minimum command handlers to reuse
-    """
-    def __init__(
-        self, host, port, s=None, network='ip', server=False,
-        i2p_remote_dest=b''
-    ):
+class Connection(threading.Thread):
+    def __init__(self, host, port, s=None, network='ip', server=False, i2p_remote_dest=b''):
         self.host = host
         self.port = port
         self.network = network
@@ -41,7 +34,7 @@ class ConnectionBase(threading.Thread):
         self.vectors_to_get = set()
         self.vectors_to_send = set()
 
-        self.vectors_requested = {}
+        self.vectors_requested = dict()
 
         self.status = 'ready'
 
@@ -68,7 +61,6 @@ class ConnectionBase(threading.Thread):
 
         self.last_message_received = time.time()
         self.last_message_sent = time.time()
-        self.wait_until = 0
 
     def run(self):
         if self.s is None:
@@ -82,21 +74,17 @@ class ConnectionBase(threading.Thread):
             else:
                 self.send_queue.put(message.Version('127.0.0.1', 7656))
         while True:
-            if (
-                self.on_connection_fully_established_scheduled
-                and not (self.buffer_send or self.buffer_receive)
-            ):
+            if self.on_connection_fully_established_scheduled and not (self.buffer_send or self.buffer_receive):
                 self._on_connection_fully_established()
             data = True
             try:
                 if self.status == 'fully_established':
-                    data = self.s.recv(4096)
-                    self.buffer_receive += data
-                    if data and len(self.buffer_receive) < 4000000:
-                        continue
+                        data = self.s.recv(4096)
+                        self.buffer_receive += data
+                        if data and len(self.buffer_receive) < 4000000:
+                            continue
                 else:
-                    data = self.s.recv(
-                        self.next_message_size - len(self.buffer_receive))
+                    data = self.s.recv(self.next_message_size - len(self.buffer_receive))
                     self.buffer_receive += data
             except ssl.SSLWantReadError:
                 if self.status == 'fully_established':
@@ -104,71 +92,49 @@ class ConnectionBase(threading.Thread):
                     self._send_objects()
             except socket.error as e:
                 err = e.args[0]
-                if err in (errno.EAGAIN, errno.EWOULDBLOCK):
+                if err == errno.EAGAIN or err == errno.EWOULDBLOCK:
                     if self.status == 'fully_established':
                         self._request_objects()
                         self._send_objects()
                 else:
-                    logging.debug(
-                        'Disconnecting from %s:%s. Reason: %s',
-                        self.host_print, self.port, e)
+                    logging.debug('Disconnecting from {}:{}. Reason: {}'.format(self.host_print, self.port, e))
                     data = None
-
+            except ConnectionResetError:
+                logging.debug('Disconnecting from {}:{}. Reason: ConnectionResetError'.format(self.host_print, self.port))
+                self.status = 'disconnecting'
             self._process_buffer_receive()
             self._process_queue()
             self._send_data()
             if time.time() - self.last_message_received > shared.timeout:
                 logging.debug(
-                    'Disconnecting from %s:%s. Reason:'
-                    ' time.time() - self.last_message_received'
-                    ' > shared.timeout', self.host_print, self.port)
+                    'Disconnecting from {}:{}. Reason: time.time() - self.last_message_received > shared.timeout'.format(
+                        self.host_print, self.port))
                 self.status = 'disconnecting'
-            if (
-                time.time() - self.last_message_received > 30
-                and self.status != 'fully_established'
-                and self.status != 'disconnecting'
-            ):
+            if time.time() - self.last_message_received > 30 and self.status != 'fully_established'and self.status != 'disconnecting':
                 logging.debug(
-                    'Disconnecting from %s:%s. Reason:'
-                    ' time.time() - self.last_message_received > 30'
-                    ' and self.status != "fully_established"',
-                    self.host_print, self.port)
+                    'Disconnecting from {}:{}. Reason: time.time() - self.last_message_received > 30 and self.status != \'fully_established\''.format(
+                        self.host_print, self.port))
                 self.status = 'disconnecting'
-            if (
-                time.time() - self.last_message_sent > 300
-                and self.status == 'fully_established'
-            ):
-                self.send_queue.put(message.Message(b'ping', b''))
+            if time.time() - self.last_message_sent > 300 and self.status == 'fully_established':
+                self.send_queue.put(message.Message(b'pong', b''))
             if self.status == 'disconnecting' or shared.shutting_down:
                 data = None
             if not data:
                 self.status = 'disconnected'
                 self.s.close()
-                logging.info(
-                    'Disconnected from %s:%s', self.host_print, self.port)
+                logging.info('Disconnected from {}:{}'.format(self.host_print, self.port))
                 break
             time.sleep(0.2)
 
     def _connect(self):
-        peer_str = '{0.host_print}:{0.port}'.format(self)
-        logging.debug('Connecting to %s', peer_str)
+        logging.debug('Connecting to {}:{}'.format(self.host_print, self.port))
 
         try:
             self.s = socket.create_connection((self.host, self.port), 10)
             self.status = 'connected'
-            logging.debug('Established TCP connection to %s', peer_str)
-        except socket.timeout:
-            pass
-        except OSError as e:
-            # unreachable, refused, no route
-            (logging.info if e.errno not in (101, 111, 113)
-             else logging.debug)(
-                     'Connection to %s failed. Reason: %s', peer_str, e)
-        except Exception:
-            logging.info(
-                'Connection to %s failed.', peer_str, exc_info=True)
-
-        if self.status != 'connected':
+            logging.info('Established TCP connection to {}:{}'.format(self.host_print, self.port))
+        except Exception as e:
+            logging.warning('Connection to {}:{} failed. Reason: {}'.format(self.host_print, self.port, e))
             self.status = 'failed'
 
     def _send_data(self):
@@ -178,48 +144,27 @@ class ConnectionBase(threading.Thread):
                 self.buffer_send = self.buffer_send[amount:]
             except (BlockingIOError, ssl.SSLWantWriteError):
                 pass
-            except (
-                BrokenPipeError, ConnectionResetError, ssl.SSLError, OSError
-            ) as e:
-                logging.debug(
-                    'Disconnecting from %s:%s. Reason: %s',
-                    self.host_print, self.port, e)
+            except (BrokenPipeError, ConnectionResetError, ssl.SSLError, OSError) as e:
+                logging.debug('Disconnecting from {}:{}. Reason: {}'.format(self.host_print, self.port, e))
                 self.status = 'disconnecting'
 
     def _do_tls_handshake(self):
-        logging.debug(
-            'Initializing TLS connection with %s:%s',
-            self.host_print, self.port)
+        logging.debug('Initializing TLS connection with {}:{}'.format(self.host_print, self.port))
 
-        context = ssl.create_default_context(
-            purpose=ssl.Purpose.CLIENT_AUTH if self.server
-            else ssl.Purpose.SERVER_AUTH
-        )
+        context = ssl.create_default_context()
         context.check_hostname = False
         context.verify_mode = ssl.CERT_NONE
 
-        if (
-            ssl.OPENSSL_VERSION_NUMBER >= 0x10100000
-            and not ssl.OPENSSL_VERSION.startswith("LibreSSL")
-        ):  # OpenSSL>=1.1
+        if ssl.OPENSSL_VERSION_NUMBER >= 0x10100000 and not ssl.OPENSSL_VERSION.startswith("LibreSSL"):
+            # OpenSSL>=1.1
             context.set_ciphers('AECDH-AES256-SHA@SECLEVEL=0')
         else:
             context.set_ciphers('AECDH-AES256-SHA')
 
         context.set_ecdh_curve("secp256k1")
-        context.options = (
-            ssl.OP_ALL | ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3
-            | ssl.OP_SINGLE_ECDH_USE | ssl.OP_CIPHER_SERVER_PREFERENCE)
-        # OP_NO_SSL* is deprecated since 3.6
-        try:
-            # TODO: ssl.TLSVersion.TLSv1 is deprecated
-            context.minimum_version = ssl.TLSVersion.TLSv1
-            context.maximum_version = ssl.TLSVersion.TLSv1_2
-        except AttributeError:
-            pass
+        context.options = ssl.OP_ALL | ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3 | ssl.OP_SINGLE_ECDH_USE | ssl.OP_CIPHER_SERVER_PREFERENCE
 
-        self.s = context.wrap_socket(
-            self.s, server_side=self.server, do_handshake_on_connect=False)
+        self.s = context.wrap_socket(self.s, server_side=self.server, do_handshake_on_connect=False)
 
         while True:
             try:
@@ -230,64 +175,40 @@ class ConnectionBase(threading.Thread):
             except ssl.SSLWantWriteError:
                 select.select([], [self.s], [])
             except Exception as e:
-                logging.debug(
-                    'Disconnecting from %s:%s. Reason: %s',
-                    self.host_print, self.port, e)
+                logging.debug('Disconnecting from {}:{}. Reason: {}'.format(self.host_print, self.port, e))
                 self.status = 'disconnecting'
-                if isinstance(e, ssl.SSLError):  # pylint: disable=no-member
-                    logging.debug('ssl.SSLError reason: %s', e.reason)
-                    shared.node_pool.discard((self.host, self.port))
-                return
+                break
         self.tls = True
-        logging.debug(
-            'Established TLS connection with %s:%s (%s)',
-            self.host_print, self.port, self.s.version())
+        logging.debug('Established TLS connection with {}:{}'.format(self.host_print, self.port))
 
     def _send_message(self, m):
-        if isinstance(m, message.Message) and m.command == b'object':
-            logging.debug(
-                '%s:%s <- %s',
-                self.host_print, self.port, structure.Object.from_message(m))
+        if type(m) == message.Message and m.command == b'object':
+            logging.debug('{}:{} <- {}'.format(self.host_print, self.port, structure.Object.from_message(m)))
         else:
-            logging.debug('%s:%s <- %s', self.host_print, self.port, m)
+            logging.debug('{}:{} <- {}'.format(self.host_print, self.port, m))
         self.buffer_send += m.to_bytes()
 
     def _on_connection_fully_established(self):
-        logging.info(
-            'Established Bitmessage protocol connection to %s:%s',
-            self.host_print, self.port)
+        logging.info('Established Bitmessage protocol connection to {}:{}'.format(self.host_print, self.port))
         self.on_connection_fully_established_scheduled = False
-        if self.remote_version.services & 2 and self.network == 'ip':
-            self._do_tls_handshake()  # NODE_SSL
+        if self.remote_version.services & 2 and self.network == 'ip':  # NODE_SSL
+            self._do_tls_handshake()
 
-        addr = {
-            structure.NetAddr(c.remote_version.services, c.host, c.port)
-            for c in shared.connections if c.network != 'i2p'
-            and c.server is False and c.status == 'fully_established'}
-        # pylint: disable=unsubscriptable-object
-        # https://github.com/pylint-dev/pylint/issues/3637
+        addr = {structure.NetAddr(c.remote_version.services, c.host, c.port) for c in shared.connections if c.network != 'i2p' and c.server is False and c.status == 'fully_established'}
         if len(shared.node_pool) > 10:
-            addr.update({
-                structure.NetAddr(1, a[0], a[1])
-                for a in random.sample(tuple(shared.node_pool), 10)})
+            addr.update({structure.NetAddr(1, a[0], a[1]) for a in random.sample(shared.node_pool, 10)})
         if len(shared.unchecked_node_pool) > 10:
-            addr.update({
-                structure.NetAddr(1, a[0], a[1])
-                for a in random.sample(tuple(shared.unchecked_node_pool), 10)})
+            addr.update({structure.NetAddr(1, a[0], a[1]) for a in random.sample(shared.unchecked_node_pool, 10)})
         if len(addr) != 0:
             self.send_queue.put(message.Addr(addr))
 
         with shared.objects_lock:
             if len(shared.objects) > 0:
-                to_send = {
-                    vector for vector in shared.objects.keys()
-                    if shared.objects[vector].expires_time > time.time()}
+                to_send = {vector for vector in shared.objects.keys() if shared.objects[vector].expires_time > time.time()}
                 while len(to_send) > 0:
                     if len(to_send) > 10000:
-                        # We limit size of inv messaged to 10000 entries
-                        # because they might time out
-                        # in very slow networks (I2P)
-                        pack = random.sample(tuple(to_send), 10000)
+                        # We limit size of inv messaged to 10000 entries because they might time out in very slow networks (I2P)
+                        pack = random.sample(to_send, 10000)
                         self.send_queue.put(message.Inv(pack))
                         to_send.difference_update(pack)
                     else:
@@ -313,152 +234,131 @@ class ConnectionBase(threading.Thread):
             if self.next_header:
                 self.next_header = False
                 try:
-                    h = message.Header.from_bytes(
-                        self.buffer_receive[:shared.header_length])
+                    h = message.Header.from_bytes(self.buffer_receive[:shared.header_length])
                 except ValueError as e:
                     self.status = 'disconnecting'
-                    logging.warning(
-                        'Received malformed message from %s:%s: %s',
-                        self.host_print, self.port, e)
+                    logging.warning('Received malformed message from {}:{}: {}'.format(self.host_print, self.port, e))
                     break
                 self.next_message_size += h.payload_length
             else:
                 try:
-                    m = message.Message.from_bytes(
-                        self.buffer_receive[:self.next_message_size])
+                    m = message.Message.from_bytes(self.buffer_receive[:self.next_message_size])
                 except ValueError as e:
                     self.status = 'disconnecting'
-                    logging.warning(
-                        'Received malformed message from %s:%s, %s',
-                        self.host_print, self.port, e)
+                    logging.warning('Received malformed message from {}:{}, {}'.format(self.host_print, self.port, e))
                     break
                 self.next_header = True
-                self.buffer_receive = self.buffer_receive[
-                    self.next_message_size:]
+                self.buffer_receive = self.buffer_receive[self.next_message_size:]
                 self.next_message_size = shared.header_length
                 self.last_message_received = time.time()
                 try:
                     self._process_message(m)
                 except ValueError as e:
                     self.status = 'disconnecting'
-                    logging.warning(
-                        'Received malformed message from %s:%s: %s',
-                        self.host_print, self.port, e)
+                    logging.warning('Received malformed message from {}:{}: {}'.format(self.host_print, self.port, e))
                     break
 
     def _process_message(self, m):
-        if m.command == b'verack':
+        if m.command == b'version':
+            version = message.Version.from_bytes(m.to_bytes())
+            logging.debug('{}:{} -> {}'.format(self.host_print, self.port, str(version)))
+            if version.protocol_version != shared.protocol_version or version.nonce == shared.nonce:
+                self.status = 'disconnecting'
+                self.send_queue.put(None)
+            else:
+                self.send_queue.put(message.Message(b'verack', b''))
+                self.verack_sent = True
+                self.remote_version = version
+                if not self.server:
+                    self.send_queue.put('fully_established')
+                    if self.network == 'ip':
+                        shared.address_advertise_queue.put(structure.NetAddr(version.services, self.host, self.port))
+                        shared.node_pool.add((self.host, self.port))
+                    elif self.network == 'i2p':
+                        shared.i2p_node_pool.add((self.host, 'i2p'))
+                if self.network == 'ip':
+                    shared.address_advertise_queue.put(structure.NetAddr(shared.services, version.host, shared.listening_port))
+                if self.server:
+                    if self.network == 'ip':
+                        self.send_queue.put(message.Version(self.host, self.port))
+                    else:
+                        self.send_queue.put(message.Version('127.0.0.1', 7656))
+
+        elif m.command == b'verack':
             self.verack_received = True
-            logging.debug(
-                '%s:%s -> %s', self.host_print, self.port, 'verack')
+            logging.debug('{}:{} -> {}'.format(self.host_print, self.port, 'verack'))
             if self.server:
                 self.send_queue.put('fully_established')
 
+        elif m.command == b'inv':
+            inv = message.Inv.from_message(m)
+            logging.debug('{}:{} -> {}'.format(self.host_print, self.port, inv))
+            to_get = inv.vectors.copy()
+            to_get.difference_update(shared.objects.keys())
+            self.vectors_to_get.update(to_get)
+            # Do not send objects they already have.
+            self.vectors_to_send.difference_update(inv.vectors)
+
+        elif m.command == b'object':
+            obj = structure.Object.from_message(m)
+            logging.debug('{}:{} -> {}'.format(self.host_print, self.port, obj))
+            self.vectors_requested.pop(obj.vector, None)
+            self.vectors_to_get.discard(obj.vector)
+            if obj.is_valid() and obj.vector not in shared.objects:
+                with shared.objects_lock:
+                    shared.objects[obj.vector] = obj
+                if obj.object_type == shared.i2p_dest_obj_type and obj.version == shared.i2p_dest_obj_version:
+                    dest = base64.b64encode(obj.object_payload, altchars=b'-~')
+                    logging.debug('Received I2P destination object, adding to i2p_unchecked_node_pool')
+                    logging.debug(dest)
+                    shared.i2p_unchecked_node_pool.add((dest, 'i2p'))
+                shared.vector_advertise_queue.put(obj.vector)
+
+        elif m.command == b'getdata':
+            getdata = message.GetData.from_message(m)
+            logging.debug('{}:{} -> {}'.format(self.host_print, self.port, getdata))
+            self.vectors_to_send.update(getdata.vectors)
+
+        elif m.command == b'addr':
+            addr = message.Addr.from_message(m)
+            logging.debug('{}:{} -> {}'.format(self.host_print, self.port, addr))
+            for a in addr.addresses:
+                shared.unchecked_node_pool.add((a.host, a.port))
+
         elif m.command == b'ping':
-            logging.debug('%s:%s -> ping', self.host_print, self.port)
+            logging.debug('{}:{} -> ping'.format(self.host_print, self.port))
             self.send_queue.put(message.Message(b'pong', b''))
 
         elif m.command == b'error':
-            error = message.Error.from_message(m)
-            logging.warning(
-                '%s:%s -> %s', self.host_print, self.port, error)
-            if error.fatal == 2:
-                # reduce probability to connect soon
-                shared.unchecked_node_pool.discard((self.host, self.port))
+            logging.error('{}:{} -> error: {}'.format(self.host_print, self.port, m.payload))
 
         else:
-            try:
-                getattr(self, '_process_msg_{}'.format(m.command.decode()))(m)
-            except (AttributeError, UnicodeDecodeError):
-                logging.debug('%s:%s -> %s', self.host_print, self.port, m)
-
-    def _process_msg_version(self, m):
-        version = message.Version.from_message(m)
-        if shared.stream not in version.streams:
-            raise ValueError('message not for stream %i' % shared.stream)
-        logging.debug('%s:%s -> %s', self.host_print, self.port, version)
-        if (
-            version.protocol_version != shared.protocol_version
-            or version.nonce == shared.nonce
-        ):
-            self.status = 'disconnecting'
-            self.send_queue.put(None)
-        else:
-            logging.info(
-                '%s:%s claims to be %s',
-                self.host_print, self.port, version.user_agent)
-            self.send_queue.put(message.Message(b'verack', b''))
-            self.verack_sent = True
-            self.remote_version = version
-            if not self.server:
-                self.send_queue.put('fully_established')
-                if self.network == 'ip':
-                    shared.address_advertise_queue.put(structure.NetAddr(
-                        version.services, self.host, self.port))
-                    shared.node_pool.add((self.host, self.port))
-                elif self.network == 'i2p':
-                    shared.i2p_node_pool.add((self.host, 'i2p'))
-            if self.network == 'ip':
-                shared.address_advertise_queue.put(structure.NetAddr(
-                    shared.services, version.host, shared.listening_port))
-            if self.server:
-                if self.network == 'ip':
-                    self.send_queue.put(message.Version(self.host, self.port))
-                else:
-                    self.send_queue.put(message.Version('127.0.0.1', 7656))
-
-    def _process_msg_addr(self, m):
-        addr = message.Addr.from_message(m)
-        logging.debug('%s:%s -> %s', self.host_print, self.port, addr)
-        for a in addr.addresses:
-            if (a.host, a.port) not in shared.core_nodes:
-                shared.unchecked_node_pool.add((a.host, a.port))
+            logging.debug('{}:{} -> {}'.format(self.host_print, self.port, m))
 
     def _request_objects(self):
         if self.vectors_to_get and len(self.vectors_requested) < 100:
             self.vectors_to_get.difference_update(shared.objects.keys())
-            if not self.wait_until:
-                nodes_count = (
-                    len(shared.node_pool) + len(shared.unchecked_node_pool))
-                logging.debug('Nodes count is %i', nodes_count)
-                delay = math.ceil(math.log(nodes_count + 2, 20)) * 5.2
-                self.wait_until = time.time() + delay
-                logging.debug('Skip sending getdata for %.2fs', delay)
-            if self.vectors_to_get and self.wait_until < time.time():
-                logging.info(
-                    'Queued %s vectors to get', len(self.vectors_to_get))
+            if self.vectors_to_get:
                 if len(self.vectors_to_get) > 64:
-                    pack = random.sample(tuple(self.vectors_to_get), 64)
+                    pack = random.sample(self.vectors_to_get, 64)
                     self.send_queue.put(message.GetData(pack))
-                    self.vectors_requested.update({
-                        vector: time.time() for vector in pack
-                        if vector not in self.vectors_requested})
+                    self.vectors_requested.update({vector: time.time() for vector in pack if vector not in self.vectors_requested})
                     self.vectors_to_get.difference_update(pack)
                 else:
                     self.send_queue.put(message.GetData(self.vectors_to_get))
-                    self.vectors_requested.update({
-                        vector: time.time() for vector in self.vectors_to_get
-                        if vector not in self.vectors_requested})
+                    self.vectors_requested.update({vector: time.time() for vector in self.vectors_to_get if vector not in self.vectors_requested})
                     self.vectors_to_get.clear()
         if self.vectors_requested:
-            self.vectors_requested = {
-                vector: t for vector, t in self.vectors_requested.items()
-                if vector not in shared.objects and t > time.time() - 15 * 60}
-            to_re_request = {
-                vector for vector, t in self.vectors_requested.items()
-                if t < time.time() - 10 * 60}
+            self.vectors_requested = {vector: t for vector, t in self.vectors_requested.items() if vector not in shared.objects and t > time.time() - 15 * 60}
+            to_re_request = {vector for vector, t in self.vectors_requested.items() if t < time.time() - 10 * 60}
             if to_re_request:
                 self.vectors_to_get.update(to_re_request)
-                logging.info(
-                    'Re-requesting %i objects from %s:%s',
-                    len(to_re_request), self.host_print, self.port)
+                logging.debug('Re-requesting {} objects from {}:{}'.format(len(to_re_request), self.host_print, self.port))
 
     def _send_objects(self):
         if self.vectors_to_send:
-            logging.info(
-                'Preparing to send %s objects', len(self.vectors_to_send))
             if len(self.vectors_to_send) > 16:
-                to_send = random.sample(tuple(self.vectors_to_send), 16)
+                to_send = random.sample(self.vectors_to_send, 16)
                 self.vectors_to_send.difference_update(to_send)
             else:
                 to_send = self.vectors_to_send.copy()
@@ -467,54 +367,4 @@ class ConnectionBase(threading.Thread):
                 for vector in to_send:
                     obj = shared.objects.get(vector, None)
                     if obj:
-                        self.send_queue.put(
-                            message.Message(b'object', obj.to_bytes()))
-
-
-class Connection(ConnectionBase):
-    """The connection with all commands implementation"""
-    def _process_msg_inv(self, m):
-        inv = message.Inv.from_message(m)
-        logging.debug('%s:%s -> %s', self.host_print, self.port, inv)
-        to_get = inv.vectors.copy()
-        to_get.difference_update(shared.objects.keys())
-        self.vectors_to_get.update(to_get)
-        # Do not send objects they already have.
-        self.vectors_to_send.difference_update(inv.vectors)
-
-    def _process_msg_object(self, m):
-        obj = structure.Object.from_message(m)
-        logging.debug('%s:%s -> %s', self.host_print, self.port, obj)
-        self.vectors_requested.pop(obj.vector, None)
-        self.vectors_to_get.discard(obj.vector)
-        if obj.is_valid() and obj.vector not in shared.objects:
-            with shared.objects_lock:
-                shared.objects[obj.vector] = obj
-            if (
-                obj.object_type == shared.i2p_dest_obj_type
-                and obj.version == shared.i2p_dest_obj_version
-            ):
-                dest = base64.b64encode(obj.object_payload, altchars=b'-~')
-                logging.debug(
-                    'Received I2P destination object,'
-                    ' adding to i2p_unchecked_node_pool')
-                logging.debug(dest)
-                shared.i2p_unchecked_node_pool.add((dest, 'i2p'))
-            shared.vector_advertise_queue.put(obj.vector)
-
-    def _process_msg_getdata(self, m):
-        getdata = message.GetData.from_message(m)
-        logging.debug('%s:%s -> %s', self.host_print, self.port, getdata)
-        self.vectors_to_send.update(getdata.vectors)
-
-
-class Bootstrapper(ConnectionBase):
-    """A special type of connection to find IP nodes"""
-    def _process_msg_addr(self, m):
-        super()._process_msg_addr(m)
-        shared.node_pool.discard((self.host, self.port))
-        self.status = 'disconnecting'
-        self.send_queue.put(None)
-
-
-shared.connection = Connection
+                        self.send_queue.put(message.Message(b'object', obj.to_bytes()))

minode/i2p/__init__.py

@@ -1,6 +0,0 @@
-"""A package for working with I2P"""
-from .controller import I2PController
-from .dialer import I2PDialer
-from .listener import I2PListener
-
-__all__ = ["I2PController", "I2PDialer", "I2PListener"]

minode/i2p/controller.py

@@ -3,28 +3,27 @@ import base64
 import logging
 import os
 import socket
+import threading
 import time
 
-from .util import I2PThread, pub_from_priv
+from i2p.util import receive_line, pub_from_priv
+import shared
 
 
-class I2PController(I2PThread):
-    def __init__(self, state, host='127.0.0.1', port=7656, dest_priv=b''):
-        super().__init__(state, name='I2P Controller')
+class I2PController(threading.Thread):
+    def __init__(self, host='127.0.0.1', port=7656, dest_priv=b''):
+        super().__init__(name='I2P Controller')
 
         self.host = host
         self.port = port
         self.nick = b'MiNode_' + base64.b16encode(os.urandom(4)).lower()
 
         while True:
-            if state.shutting_down:
-                return
             try:
                 self.s = socket.create_connection((self.host, self.port))
                 break
             except ConnectionRefusedError:
-                logging.error(
-                    'Error while connecting to I2P SAM bridge. Retrying.')
+                logging.error("Error while connecting to I2P SAM bridge. Retrying.")
                 time.sleep(10)
 
         self.version_reply = []
@@ -41,6 +40,15 @@ class I2PController(I2PThread):
 
         self.create_session()
 
+    def _receive_line(self):
+        line = receive_line(self.s)
+        # logging.debug('I2PController <- ' + str(line))
+        return line
+
+    def _send(self, command):
+        # logging.debug('I2PController -> ' + str(command))
+        self.s.sendall(command)
+
     def init_connection(self):
         self._send(b'HELLO VERSION MIN=3.0 MAX=3.3\n')
         self.version_reply = self._receive_line().split()
@@ -62,23 +70,21 @@ class I2PController(I2PThread):
         assert self.dest_priv
 
     def create_session(self):
-        self._send(
-            b'SESSION CREATE STYLE=STREAM ID=' + self.nick
-            + b' inbound.length=' + str(self.state.i2p_tunnel_length).encode()
-            + b' outbound.length=' + str(self.state.i2p_tunnel_length).encode()
-            + b' DESTINATION=' + self.dest_priv + b'\n')
+        self._send(b'SESSION CREATE STYLE=STREAM ID=' + self.nick +
+                   b' inbound.length=' + str(shared.i2p_tunnel_length).encode() +
+                   b' outbound.length=' + str(shared.i2p_tunnel_length).encode() +
+                   b' DESTINATION=' + self.dest_priv + b'\n')
         reply = self._receive_line().split()
         if b'RESULT=OK' not in reply:
             logging.warning(reply)
-            logging.warning(
-                'We could not create I2P session, retrying in 5 seconds.')
+            logging.warning('We could not create I2P session, retrying in 5 seconds.')
             time.sleep(5)
             self.create_session()
 
     def run(self):
         self.s.settimeout(1)
         while True:
-            if not self.state.shutting_down:
+            if not shared.shutting_down:
                 try:
                     msg = self._receive_line().split(b' ')
                     if msg[0] == b'PING':

minode/i2p/dialer.py

@@ -1,22 +1,22 @@
 # -*- coding: utf-8 -*-
 import logging
 import socket
+import threading
 
-from .util import I2PThread
+import shared
+from connection import Connection
+from i2p.util import receive_line
 
 
-class I2PDialer(I2PThread):
-    def __init__(
-        self, state, destination, nick, sam_host='127.0.0.1', sam_port=7656
-    ):
-
+class I2PDialer(threading.Thread):
+    def __init__(self, destination, nick, sam_host='127.0.0.1', sam_port=7656):
         self.sam_host = sam_host
         self.sam_port = sam_port
 
         self.nick = nick
         self.destination = destination
 
-        super().__init__(state, name='I2P Dial to {}'.format(self.destination))
+        super().__init__(name='I2P Dial to {}'.format(self.destination))
 
         self.s = socket.create_connection((self.sam_host, self.sam_port))
 
@@ -24,26 +24,31 @@ class I2PDialer(I2PThread):
         self.success = True
 
     def run(self):
-        logging.debug('Connecting to %s', self.destination)
+        logging.debug('Connecting to {}'.format(self.destination))
         self._connect()
-        if not self.state.shutting_down and self.success:
-            c = self.state.connection(
-                self.destination, 'i2p', self.s, 'i2p',
-                False, self.destination)
+        if not shared.shutting_down and self.success:
+            c = Connection(self.destination, 'i2p', self.s, 'i2p', False, self.destination)
             c.start()
-            self.state.connections.add(c)
+            shared.connections.add(c)
+
+    def _receive_line(self):
+        line = receive_line(self.s)
+        # logging.debug('I2PDialer <- ' + str(line))
+        return line
+
+    def _send(self, command):
+        # logging.debug('I2PDialer -> ' + str(command))
+        self.s.sendall(command)
 
     def _connect(self):
         self._send(b'HELLO VERSION MIN=3.0 MAX=3.3\n')
         self.version_reply = self._receive_line().split()
         if b'RESULT=OK' not in self.version_reply:
-            logging.debug('Error while connecting to %s', self.destination)
+            logging.warning('Error while connecting to {}'.format(self.destination))
             self.success = False
 
-        self._send(
-            b'STREAM CONNECT ID=' + self.nick + b' DESTINATION='
-            + self.destination + b'\n')
+        self._send(b'STREAM CONNECT ID=' + self.nick + b' DESTINATION=' + self.destination + b'\n')
         reply = self._receive_line().split(b' ')
         if b'RESULT=OK' not in reply:
-            logging.debug('Error while connecting to %s', self.destination)
+            logging.warning('Error while connecting to {}'.format(self.destination))
             self.success = False

minode/i2p/listener.py

@@ -1,22 +1,36 @@
 # -*- coding: utf-8 -*-
 import logging
 import socket
+import threading
 
-from .util import I2PThread
+from connection import Connection
+from i2p.util import receive_line
+import shared
 
 
-class I2PListener(I2PThread):
-    def __init__(self, state, nick, host='127.0.0.1', port=7656):
-        super().__init__(state, name='I2P Listener')
+class I2PListener(threading.Thread):
+    def __init__(self, nick, host='127.0.0.1', port=7656):
+        super().__init__(name='I2P Listener')
 
         self.host = host
         self.port = port
         self.nick = nick
 
+        self.s = None
+
         self.version_reply = []
 
         self.new_socket()
 
+    def _receive_line(self):
+        line = receive_line(self.s)
+        # logging.debug('I2PListener <- ' + str(line))
+        return line
+
+    def _send(self, command):
+        # logging.debug('I2PListener -> ' + str(command))
+        self.s.sendall(command)
+
     def new_socket(self):
         self.s = socket.create_connection((self.host, self.port))
         self._send(b'HELLO VERSION MIN=3.0 MAX=3.3\n')
@@ -30,26 +44,23 @@ class I2PListener(I2PThread):
         self.s.settimeout(1)
 
     def run(self):
-        while not self.state.shutting_down:
+        while not shared.shutting_down:
             try:
                 destination = self._receive_line().split()[0]
-                logging.info(
-                    'Incoming I2P connection from: %s', destination.decode())
+                logging.info('Incoming I2P connection from: {}'.format(destination.decode()))
 
                 hosts = set()
-                for c in self.state.connections.copy():
+                for c in shared.connections.copy():
                     hosts.add(c.host)
-                for d in self.state.i2p_dialers.copy():
+                for d in shared.i2p_dialers.copy():
                     hosts.add(d.destination)
                 if destination in hosts:
                     logging.debug('Rejecting duplicate I2P connection.')
                     self.s.close()
                 else:
-                    c = self.state.connection(
-                        destination, 'i2p', self.s, 'i2p', True, destination)
+                    c = Connection(destination, 'i2p', self.s, 'i2p', True, destination)
                     c.start()
-                    self.state.connections.add(c)
-                    c = None
+                    shared.connections.add(c)
                 self.new_socket()
             except socket.timeout:
                 pass

minode/i2p/util.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 import base64
 import hashlib
-import threading
 
 
 def receive_line(s):
@@ -15,35 +14,13 @@ def receive_line(s):
     return data[0]
 
 
-class I2PThread(threading.Thread):
-    """
-    Abstract I2P thread with _receive_line() and _send() methods,
-    reused in I2PDialer, I2PListener and I2PController
-    """
-    def __init__(self, state, name=''):
-        super().__init__(name=name)
-        self.state = state
-        self.s = None
-
-    def _receive_line(self):
-        line = receive_line(self.s)
-        # logging.debug('I2PListener <- %s', line)
-        return line
-
-    def _send(self, command):
-        # logging.debug('I2PListener -> %s', command)
-        self.s.sendall(command)
-
-
 def pub_from_priv(priv):
     priv = base64.b64decode(priv, altchars=b'-~')
-    # 256 for public key + 128 for signing key + 3 for certificate header
-    # + value of bytes priv[385:387]
+    # 256 for public key + 128 for signing key + 3 for certificate header + value of bytes priv[385:387]
     pub = priv[:387 + int.from_bytes(priv[385:387], byteorder='big')]
-    return base64.b64encode(pub, altchars=b'-~')
+    pub = base64.b64encode(pub, altchars=b'-~')
+    return pub
 
 
 def b32_from_pub(pub):
-    return base64.b32encode(
-        hashlib.sha256(base64.b64decode(pub, b'-~')).digest()
-    ).replace(b'=', b'').lower() + b'.b32.i2p'
+    return base64.b32encode(hashlib.sha256(base64.b64decode(pub, b'-~')).digest()).replace(b"=", b"").lower() + b'.b32.i2p'

minode/i2p_core_nodes.csv

@@ -1,5 +1,4 @@
 IPHBFm1bfQ9HrUkq07aomTAGn~W1wChE53xprAqIftsF18cuoUCJbMYhdJl~pljhvAXHKDSePdsSWecg8yP3st0Ib0h429XaOdrxpoFJ6MI1ofkg-KFtnZ6sX~Yp5GD-z-Nqdu6H0YBlf~y18ToOT6vTUvyE5Jsb105LmRMUAP0pDon4-da9r2wD~rxGOuvkrT83CftfxAIIT1z3M6ouAFI3UBq-guEyiZszM-01yQ-IgVBXsvnou8DXrlysYeeaimL6LoLhJgTnXIDfHCfUsHbgYK0JvRdimu-eMs~BRTT7-o4N5RJjVDfsS4CUHa6JwuWYg3JNSfaJoGFlM2xeGjNSJUs5e7PkcXeqCTKZQERbdIJcFz~rGcTfvc-OfXjMf6VfU2XORKcYiA21zkHMOkQvmE1dATP8VpQTKcYYZrQrRAc5Wxn7ayf9Gdwtq0EZXeydZv36RVJ03E4CZUGQMxXOFGUXwLFXQ9QCbsbXSoukd3rAGoPgE~GboO1YJh3hAAAA
 lSf~Ut81pZVxDwteIXobR7G7qpnZz2eirvyKJgDFMYuOvXZVNA8bgA5qNhXR8lmOlCBCzKsfm-KIo0QndfRZhMYsFXHTxWBiF9SvPPF8c220l-c0s7cCFQwTdJ5UwZciOexsvNxBLv~1GN2DdMEgEJeUVmLvIaynzQuNgWMvr9AVo6rox2x88FZWT8kdZ2Nt0fiBm-UEd5TpZcK4q4U80t1giuqVeJPqWZjhBV-ctVLeGQC5fp~v3Ev2UeCH~43Z5olrFcCWsVL8vxc4wzMWrVZbi95f1gLW1kQ~sgV8fV~G4JanYLV5yRePC19i5VTkvtcq4HN2cEq~BKryP3AxR7m4Msqwe4gTeNEJE9D6jCmaGjZywujCTFUKo3eTbwCr7sMqZcZGzBPIBcK5syzJL05BMX16pP0ziXJmP-KZT1iEjdY3DIGHJ~mfa2lPNxuwceERnHv3BDyNvo0S0AbEQuJdqmdwFWWHL6mfo9uNYaShMYQmy38O3t6nZP9YOO~YBQAEAAcAAA==
+SIMipBxbRtEfnWaI5Kx31scSP82trKfA~JVTmd1i6b3gj8QNcBeIMpc1ZVJp4B338mH8pCqeqcS-nlZdMd7uNqCsfQXFZ-bDvM6-qsKwbacM-nLA84UYqgDKMWHHrAbapoyQWVIF5JZzidiyQndunGVBvC1KrTp0Bghn9IXifhAt-EWiWC8JG6QrCreghtK5VQxr0jLcznFbLPUu8vsBvjWripLvnWSaHKK55DClQE85k5bwiFwdbJgg04H2Ku9Zzndg~g01o-iW4IsaEOtRYbjYlTIVpCClbVdlca2zQvQbfc8EkqYZHYHNDOxWsxJPjDv5sDK1Z70pyiSweOuDl27N-moM0pFDBelNSJdzFJl1uo5SN0iMH4xMUfNEEF94IGpxaUDMt2WRrpY2ivIj1pM1byu6uh7lOlGV2XdtFIiZZyIDD6hHeA29CsvwsYKJfYmZu73TRJ7lc2dXqwQe54prt~GyfL5q1-wRZ-5ic3T4~YdrsJ5X6h4iHztHDawwBQAEAAcAAA==
 71w249Tlf0-ImX3S5zWA3RC8zfZY7dBY8C-3Bll4yHqJT7YZwmR0u2dxe9Xi7gFN8Q0mhUBtjuNJPwL8XjiwbOPeTGytc5xazmlxI~HcZoY32YBSiushex0sr0VnJOEaa~UduhNRY7X12atmhoSOXWKJ-R9YebWQy9eDvLZinX~ytFCttl9xpxyo5WvqrC6~KTMHjA2xHALhSp5FhLf9fRWCCPl7GRY-7kHuWpa7WVs~P2pe~Uux0RTbJzLH8gwmtp-jTgtisef7mr7l9e~MQ3k3dAO0i~ifXhoBSWrSRUgprwjpmlfm3O85tBSLMsgSJK-TFxtlo-iBCMLaJSZamurOx52uX-QO7WlWaX~S93ELXMd1B0wS~PKtomyRt7i67IFDfPde0FvF~YBxEKIgy3N8Sw4S4W3AqZBIaFMM8-q5x9R08t6jOA5WbdUq7IVjSimecM~AKVNyYCShoxn3pe10bj4Xmc~sU7sDYhTI7bmR~WYYaY1NVMlBrm-Fao4MBQAEAAcAAA==
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-kSDy6eL1pVybvIz6yYzlwz7nqBSgjPQV-YiRHygWFl8r1s60p1vSSfurkPqn8JSaopV~zgQpt5CMK8XxOv9L4NP0cfTAfvY3wCKXb~BbuBGXAXcdh-oSAQ65nXP3rpJ7g-TcdUbqYOhJVeKskHRu6Uv~ZTQyEM23rlI638bWNImy5f9bGw9ff-Fb5xj5IYjNNTWYvXmnB2GvP4TZZMRubGBauByWDDfPVg~0et7UOd7RwcnxTfpygKX41EZOJc05G6A4uBgMJjWQK6RjRa30YJ9M4nwR2xUYLb9y6IAaOZEc0khKjYbUp8KxcaG7spqnMogJR~xgWhRn~lV7b9PVsDL-0vDRuIunG5IGLU~pfviUCiv9H4mNiYft2GVvoJhRQLxWSlibJqmHzrXIE1741qX0NZkX9O9zI2gYG1Yw~t4xqdlVJYtBGMrBsRye0gBbImHhEcKo396yrz3~aZdqXiPNgisamx9tj485RgyO-JCp7NJ6WQ4cZmg6DIlNv-JZAAAA

minode/listener.py

@@ -1,15 +1,13 @@
 # -*- coding: utf-8 -*-
-"""Listener thread creates connection objects for incoming connections"""
 import logging
 import socket
 import threading
 
-from . import shared
-from .connection import Connection
+from connection import Connection
+import shared
 
 
 class Listener(threading.Thread):
-    """The listener thread"""
     def __init__(self, host, port, family=socket.AF_INET):
         super().__init__(name='Listener')
         self.host = host
@@ -28,15 +26,13 @@ class Listener(threading.Thread):
                 break
             try:
                 conn, addr = self.s.accept()
+                logging.info('Incoming connection from: {}:{}'.format(addr[0], addr[1]))
+                with shared.connections_lock:
+                    if len(shared.connections) > shared.connection_limit:
+                        conn.close()
+                    else:
+                        c = Connection(addr[0], addr[1], conn, 'ip', True)
+                        c.start()
+                        shared.connections.add(c)
             except socket.timeout:
-                continue
-
-            logging.info('Incoming connection from: %s:%i', *addr[:2])
-            with shared.connections_lock:
-                if len(shared.connections) > shared.connection_limit:
-                    conn.close()
-                else:
-                    c = Connection(*addr[:2], conn, server=True)
-                    c.start()
-                    shared.connections.add(c)
-                    c = None
+                pass

minode/main.py

@@ -1,56 +1,43 @@
 # -*- coding: utf-8 -*-
-"""Functions for starting the program"""
 import argparse
 import base64
+import csv
 import logging
 import multiprocessing
 import os
+import pickle
 import signal
 import socket
 
-from . import i2p, shared
-from .advertiser import Advertiser
-from .manager import Manager
-from .listener import Listener
+from advertiser import Advertiser
+from manager import Manager
+from listener import Listener
+import i2p.controller
+import i2p.listener
+import shared
 
 
-def handler(s, f):  # pylint: disable=unused-argument
-    """Signal handler"""
+def handler(s, f):
     logging.info('Gracefully shutting down MiNode')
     shared.shutting_down = True
 
 
-def parse_arguments():  # pylint: disable=too-many-branches,too-many-statements
-    """Parsing arguments"""
+def parse_arguments():
     parser = argparse.ArgumentParser()
     parser.add_argument('-p', '--port', help='Port to listen on', type=int)
     parser.add_argument('--host', help='Listening host')
-    parser.add_argument(
-        '--debug', action='store_true', help='Enable debug logging')
+    parser.add_argument('--debug', help='Enable debug logging', action='store_true')
     parser.add_argument('--data-dir', help='Path to data directory')
-    parser.add_argument(
-        '--no-incoming', action='store_true',
-        help='Do not listen for incoming connections')
-    parser.add_argument(
-        '--no-outgoing', action='store_true',
-        help='Do not send outgoing connections')
-    parser.add_argument(
-        '--no-ip', action='store_true', help='Do not use IP network')
-    parser.add_argument(
-        '--trusted-peer', help='Specify a trusted peer we should connect to')
-    parser.add_argument(
-        '--connection-limit', type=int, help='Maximum number of connections')
-    parser.add_argument(
-        '--i2p', action='store_true', help='Enable I2P support (uses SAMv3)')
-    parser.add_argument(
-        '--i2p-tunnel-length', type=int, help='Length of I2P tunnels')
-    parser.add_argument(
-        '--i2p-sam-host', help='Host of I2P SAMv3 bridge')
-    parser.add_argument(
-        '--i2p-sam-port', type=int, help='Port of I2P SAMv3 bridge')
-    parser.add_argument(
-        '--i2p-transient', action='store_true',
-        help='Generate new I2P destination on start')
+    parser.add_argument('--no-incoming', help='Do not listen for incoming connections', action='store_true')
+    parser.add_argument('--no-outgoing', help='Do not send outgoing connections', action='store_true')
+    parser.add_argument('--no-ip', help='Do not use IP network', action='store_true')
+    parser.add_argument('--trusted-peer', help='Specify a trusted peer we should connect to')
+    parser.add_argument('--connection-limit', help='Maximum number of connections', type=int)
+    parser.add_argument('--i2p', help='Enable I2P support (uses SAMv3)', action='store_true')
+    parser.add_argument('--i2p-tunnel-length', help='Length of I2P tunnels', type=int)
+    parser.add_argument('--i2p-sam-host', help='Host of I2P SAMv3 bridge')
+    parser.add_argument('--i2p-sam-port', help='Port of I2P SAMv3 bridge', type=int)
+    parser.add_argument('--i2p-transient', help='Generate new I2P destination on start', action='store_true')
 
     args = parser.parse_args()
     if args.port:
@@ -100,156 +87,160 @@ def parse_arguments():  # pylint: disable=too-many-branches,too-many-statements
         shared.i2p_transient = True
 
 
-def bootstrap_from_dns():
-    """Addes addresses of bootstrap servers to core nodes"""
+def load_data():
     try:
-        for port in (8080, 8444):
-            for item in socket.getaddrinfo(
-                'bootstrap{}.bitmessage.org'.format(port), 80,
-                proto=socket.IPPROTO_TCP
-            ):
-                try:
-                    addr = item[4][0]
-                    socket.inet_pton(item[0], addr)
-                except (TypeError, socket.error):
-                    continue
-                else:
-                    shared.core_nodes.add((addr, port))
-    except socket.gaierror:
-        logging.info('Failed to do a DNS query')
-    except Exception:
-        logging.info('Error during DNS bootstrap', exc_info=True)
+        with open(shared.data_directory + 'objects.pickle', mode='br') as file:
+            shared.objects = pickle.load(file)
+    except Exception as e:
+        logging.warning('Error while loading objects from disk.')
+        logging.warning(e)
+
+    try:
+        with open(shared.data_directory + 'nodes.pickle', mode='br') as file:
+            shared.node_pool = pickle.load(file)
+    except Exception as e:
+        logging.warning('Error while loading nodes from disk.')
+        logging.warning(e)
+
+    try:
+        with open(shared.data_directory + 'i2p_nodes.pickle', mode='br') as file:
+            shared.i2p_node_pool = pickle.load(file)
+    except Exception as e:
+        logging.warning('Error while loading nodes from disk.')
+        logging.warning(e)
+
+    with open(os.path.join(shared.source_directory, 'core_nodes.csv'), mode='r', newline='') as f:
+        reader = csv.reader(f)
+        shared.core_nodes = {tuple(row) for row in reader}
+        shared.node_pool.update(shared.core_nodes)
+
+    with open(os.path.join(shared.source_directory, 'i2p_core_nodes.csv'), mode='r', newline='') as f:
+        reader = csv.reader(f)
+        shared.i2p_core_nodes = {(row[0].encode(), 'i2p') for row in reader}
+        shared.i2p_node_pool.update(shared.i2p_core_nodes)
+
+
+def bootstrap_from_dns():
+    try:
+        for item in socket.getaddrinfo('bootstrap8080.bitmessage.org', 80):
+            shared.unchecked_node_pool.add((item[4][0], 8080))
+            logging.debug('Adding ' + item[4][0] + ' to unchecked_node_pool based on DNS bootstrap method')
+        for item in socket.getaddrinfo('bootstrap8444.bitmessage.org', 80):
+            shared.unchecked_node_pool.add((item[4][0], 8444))
+            logging.debug('Adding ' + item[4][0] + ' to unchecked_node_pool based on DNS bootstrap method')
+    except Exception as e:
+        logging.error('Error during DNS bootstrap')
+        logging.error(e)
 
 
 def start_ip_listener():
-    """Starts `.listener.Listener`"""
     listener_ipv4 = None
     listener_ipv6 = None
 
     if socket.has_ipv6:
         try:
-            listener_ipv6 = Listener(
-                shared.listening_host,
-                shared.listening_port, family=socket.AF_INET6)
+            listener_ipv6 = Listener(shared.listening_host, shared.listening_port, family=socket.AF_INET6)
             listener_ipv6.start()
-        except socket.gaierror as e:
-            if e.errno == -9:
-                logging.info('IPv6 is not supported.')
-        except Exception:
-            logging.info(
-                'Error while starting IPv6 listener on port %s',
-                shared.listening_port, exc_info=True)
+        except Exception as e:
+            logging.warning('Error while starting IPv6 listener on port {}'.format(shared.listening_port))
+            logging.warning(e)
 
     try:
         listener_ipv4 = Listener(shared.listening_host, shared.listening_port)
         listener_ipv4.start()
-    except OSError as e:
+    except Exception as e:
         if listener_ipv6:
-            logging.info(
-                'Error while starting IPv4 listener on port %s.'
-                ' However the IPv6 one seems to be working'
-                ' and will probably accept IPv4 connections.',  # 48 on macos
-                shared.listening_port, exc_info=e.errno not in (48, 98))
+            logging.warning('Error while starting IPv4 listener on port {}. '.format(shared.listening_port) +
+                            'However the IPv6 one seems to be working and will probably accept IPv4 connections.')
         else:
-            logging.warning(
-                'Error while starting IPv4 listener on port %s.'
-                'You will not receive incoming connections.'
-                ' Please check your port configuration',
-                shared.listening_port, exc_info=True)
+            logging.error('Error while starting IPv4 listener on port {}. '.format(shared.listening_port) +
+                          'You will not receive incoming connections. Please check your port configuration')
+            logging.error(e)
 
 
 def start_i2p_listener():
-    """Starts I2P threads"""
     # Grab I2P destinations from old object file
     for obj in shared.objects.values():
         if obj.object_type == shared.i2p_dest_obj_type:
-            shared.i2p_unchecked_node_pool.add((
-                base64.b64encode(obj.object_payload, altchars=b'-~'), 'i2p'))
+            shared.i2p_unchecked_node_pool.add((base64.b64encode(obj.object_payload, altchars=b'-~'), 'i2p'))
 
     dest_priv = b''
 
     if not shared.i2p_transient:
         try:
-            with open(
-                os.path.join(shared.data_directory, 'i2p_dest_priv.key'), 'br'
-            ) as src:
-                dest_priv = src.read()
+            with open(shared.data_directory + 'i2p_dest_priv.key', mode='br') as file:
+                dest_priv = file.read()
                 logging.debug('Loaded I2P destination private key.')
-        except FileNotFoundError:
-            pass
-        except Exception:
-            logging.info(
-                'Error while loading I2P destination private key.',
-                exc_info=True)
+        except Exception as e:
+            logging.warning('Error while loading I2P destination private key.')
+            logging.warning(e)
 
-    logging.info(
-        'Starting I2P Controller and creating tunnels. This may take a while.')
-    i2p_controller = i2p.I2PController(
-        shared, shared.i2p_sam_host, shared.i2p_sam_port, dest_priv)
+    logging.info('Starting I2P Controller and creating tunnels. This may take a while.')
+    i2p_controller = i2p.controller.I2PController(shared.i2p_sam_host, shared.i2p_sam_port, dest_priv)
     i2p_controller.start()
 
     shared.i2p_dest_pub = i2p_controller.dest_pub
     shared.i2p_session_nick = i2p_controller.nick
 
-    logging.info('Local I2P destination: %s', shared.i2p_dest_pub.decode())
-    logging.info('I2P session nick: %s', shared.i2p_session_nick.decode())
+    logging.info('Local I2P destination: {}'.format(shared.i2p_dest_pub.decode()))
+    logging.info('I2P session nick: {}'.format(shared.i2p_session_nick.decode()))
 
     logging.info('Starting I2P Listener')
-    i2p_listener = i2p.I2PListener(shared, i2p_controller.nick)
+    i2p_listener = i2p.listener.I2PListener(i2p_controller.nick)
     i2p_listener.start()
 
     if not shared.i2p_transient:
         try:
-            with open(
-                os.path.join(shared.data_directory, 'i2p_dest_priv.key'), 'bw'
-            ) as src:
-                src.write(i2p_controller.dest_priv)
+            with open(shared.data_directory + 'i2p_dest_priv.key', mode='bw') as file:
+                file.write(i2p_controller.dest_priv)
                 logging.debug('Saved I2P destination private key.')
-        except Exception:
-            logging.warning(
-                'Error while saving I2P destination private key.',
-                exc_info=True)
+        except Exception as e:
+            logging.warning('Error while saving I2P destination private key.')
+            logging.warning(e)
 
     try:
-        with open(
-            os.path.join(shared.data_directory, 'i2p_dest.pub'), 'bw'
-        ) as src:
-            src.write(shared.i2p_dest_pub)
+        with open(shared.data_directory + 'i2p_dest.pub', mode='bw') as file:
+            file.write(shared.i2p_dest_pub)
             logging.debug('Saved I2P destination public key.')
-    except Exception:
-        logging.warning(
-            'Error while saving I2P destination public key.', exc_info=True)
+    except Exception as e:
+        logging.warning('Error while saving I2P destination public key.')
+        logging.warning(e)
 
 
 def main():
-    """Script entry point"""
     signal.signal(signal.SIGINT, handler)
     signal.signal(signal.SIGTERM, handler)
 
     parse_arguments()
 
-    logging.basicConfig(
-        level=shared.log_level,
-        format='[%(asctime)s] [%(levelname)s] %(message)s')
+    logging.basicConfig(level=shared.log_level, format='[%(asctime)s] [%(levelname)s] %(message)s')
     logging.info('Starting MiNode')
 
-    logging.info('Data directory: %s', shared.data_directory)
+    logging.info('Data directory: {}'.format(shared.data_directory))
     if not os.path.exists(shared.data_directory):
         try:
             os.makedirs(shared.data_directory)
-        except Exception:
-            logging.warning(
-                'Error while creating data directory in: %s',
-                shared.data_directory, exc_info=True)
+        except Exception as e:
+            logging.warning('Error while creating data directory in: {}'.format(shared.data_directory))
+            logging.warning(e)
+
+    load_data()
 
     if shared.ip_enabled and not shared.trusted_peer:
         bootstrap_from_dns()
 
     if shared.i2p_enabled:
-        # We are starting it before cleaning expired objects
-        # so we can collect I2P destination objects
+        # We are starting it before cleaning expired objects so we can collect I2P destination objects
         start_i2p_listener()
 
+    for vector in set(shared.objects):
+        if not shared.objects[vector].is_valid():
+            if shared.objects[vector].is_expired():
+                logging.debug('Deleted expired object: {}'.format(base64.b16encode(vector).decode()))
+            else:
+                logging.warning('Deleted invalid object: {}'.format(base64.b16encode(vector).decode()))
+            del shared.objects[vector]
+
     manager = Manager()
     manager.start()
 

minode/manager.py

@@ -1,43 +1,30 @@
 # -*- coding: utf-8 -*-
-"""The main thread, managing connections, nodes and objects"""
 import base64
-import csv
 import logging
-import os
 import pickle
 import queue
 import random
 import threading
 import time
 
-from . import proofofwork, shared, structure
-from .connection import Bootstrapper, Connection
-from .i2p import I2PDialer
+from connection import Connection
+from i2p.dialer import I2PDialer
+import pow
+import shared
+import structure
 
 
 class Manager(threading.Thread):
-    """The manager thread"""
     def __init__(self):
         super().__init__(name='Manager')
         self.q = queue.Queue()
-        self.bootstrap_pool = []
         self.last_cleaned_objects = time.time()
         self.last_cleaned_connections = time.time()
         self.last_pickled_objects = time.time()
         self.last_pickled_nodes = time.time()
-        # Publish destination 5-15 minutes after start
-        self.last_published_i2p_destination = \
-            time.time() - 50 * 60 + random.uniform(-1, 1) * 300  # nosec B311
-
-    def fill_bootstrap_pool(self):
-        """Populate the bootstrap pool by core nodes and checked ones"""
-        self.bootstrap_pool = list(shared.core_nodes.union(shared.node_pool))
-        random.shuffle(self.bootstrap_pool)
+        self.last_published_i2p_destination = time.time() - 50 * 60 + random.uniform(-1, 1) * 300  # Publish destination 5-15 minutes after start
 
     def run(self):
-        self.load_data()
-        self.clean_objects()
-        self.fill_bootstrap_pool()
         while True:
             time.sleep(0.8)
             now = time.time()
@@ -63,47 +50,21 @@ class Manager(threading.Thread):
     @staticmethod
     def clean_objects():
         for vector in set(shared.objects):
-            # FIXME: no need to check is_valid() here
             if shared.objects[vector].is_expired():
-                logging.debug(
-                    'Deleted expired object: %s',
-                    base64.b16encode(vector).decode())
                 with shared.objects_lock:
                     del shared.objects[vector]
+                logging.debug('Deleted expired object: {}'.format(base64.b16encode(vector).decode()))
 
-    def manage_connections(self):
-        """Open new connections if needed, remove closed ones"""
+    @staticmethod
+    def manage_connections():
         hosts = set()
-
-        def connect(target, connection_class=Connection):
-            """
-            Open a connection of *connection_class*
-            to the *target* (host, port)
-            """
-            c = connection_class(*target)
-            c.start()
-            with shared.connections_lock:
-                shared.connections.add(c)
-
-        def bootstrap():
-            """Bootstrap from DNS seed-nodes and known nodes"""
-            try:
-                target = self.bootstrap_pool.pop()
-            except IndexError:
-                logging.warning(
-                    'Ran out of bootstrap nodes, refilling')
-                self.fill_bootstrap_pool()
-                return
-            logging.info('Starting a bootstrapper for %s:%s', *target)
-            connect(target, Bootstrapper)
-
         outgoing_connections = 0
         for c in shared.connections.copy():
             if not c.is_alive() or c.status == 'disconnected':
                 with shared.connections_lock:
                     shared.connections.remove(c)
             else:
-                hosts.add(structure.NetAddrNoPrefix.network_group(c.host))
+                hosts.add(c.host)
                 if not c.server:
                     outgoing_connections += 1
 
@@ -116,166 +77,90 @@ class Manager(threading.Thread):
         if shared.trusted_peer:
             to_connect.add(shared.trusted_peer)
 
-        if (
-            outgoing_connections < shared.outgoing_connections
-            and shared.send_outgoing_connections and not shared.trusted_peer
-        ):
+        if outgoing_connections < shared.outgoing_connections and shared.send_outgoing_connections and not shared.trusted_peer:
 
             if shared.ip_enabled:
                 if len(shared.unchecked_node_pool) > 16:
-                    to_connect.update(random.sample(
-                        tuple(shared.unchecked_node_pool), 16))
+                    to_connect.update(random.sample(shared.unchecked_node_pool, 16))
                 else:
                     to_connect.update(shared.unchecked_node_pool)
-                    if outgoing_connections < shared.outgoing_connections / 2:
-                        bootstrap()
                 shared.unchecked_node_pool.difference_update(to_connect)
                 if len(shared.node_pool) > 8:
-                    to_connect.update(random.sample(
-                        tuple(shared.node_pool), 8))
+                    to_connect.update(random.sample(shared.node_pool, 8))
                 else:
                     to_connect.update(shared.node_pool)
 
             if shared.i2p_enabled:
                 if len(shared.i2p_unchecked_node_pool) > 16:
-                    to_connect.update(random.sample(
-                        tuple(shared.i2p_unchecked_node_pool), 16))
+                    to_connect.update(random.sample(shared.i2p_unchecked_node_pool, 16))
                 else:
                     to_connect.update(shared.i2p_unchecked_node_pool)
                 shared.i2p_unchecked_node_pool.difference_update(to_connect)
                 if len(shared.i2p_node_pool) > 8:
-                    to_connect.update(random.sample(
-                        tuple(shared.i2p_node_pool), 8))
+                    to_connect.update(random.sample(shared.i2p_node_pool, 8))
                 else:
                     to_connect.update(shared.i2p_node_pool)
 
-        for host, port in to_connect:
-            group = structure.NetAddrNoPrefix.network_group(host)
-            if group in hosts:
+        for addr in to_connect:
+            if addr[0] in hosts:
                 continue
-            if port == 'i2p' and shared.i2p_enabled:
-                if shared.i2p_session_nick and host != shared.i2p_dest_pub:
+            if addr[1] == 'i2p' and shared.i2p_enabled:
+                if shared.i2p_session_nick and addr[0] != shared.i2p_dest_pub:
                     try:
-                        d = I2PDialer(
-                            shared,
-                            host, shared.i2p_session_nick,
-                            shared.i2p_sam_host, shared.i2p_sam_port)
+                        d = I2PDialer(addr[0], shared.i2p_session_nick, shared.i2p_sam_host, shared.i2p_sam_port)
                         d.start()
                         hosts.add(d.destination)
                         shared.i2p_dialers.add(d)
-                    except Exception:
-                        logging.warning(
-                            'Exception while trying to establish'
-                            ' an I2P connection', exc_info=True)
+                    except Exception as e:
+                        logging.warning('Exception while trying to establish an I2P connection')
+                        logging.warning(e)
                 else:
                     continue
             else:
-                connect((host, port))
-                hosts.add(group)
+                c = Connection(addr[0], addr[1])
+                c.start()
+                hosts.add(c.host)
+                with shared.connections_lock:
+                    shared.connections.add(c)
         shared.hosts = hosts
 
-    @staticmethod
-    def load_data():
-        """Loads initial nodes and data, stored in files between sessions"""
-        try:
-            with open(
-                os.path.join(shared.data_directory, 'objects.pickle'), 'br'
-            ) as src:
-                shared.objects = pickle.load(src)
-        except FileNotFoundError:
-            pass  # first start
-        except Exception:
-            logging.warning(
-                'Error while loading objects from disk.', exc_info=True)
-
-        try:
-            with open(
-                os.path.join(shared.data_directory, 'nodes.pickle'), 'br'
-            ) as src:
-                shared.node_pool = pickle.load(src)
-        except FileNotFoundError:
-            pass
-        except Exception:
-            logging.warning(
-                'Error while loading nodes from disk.', exc_info=True)
-
-        try:
-            with open(
-                os.path.join(shared.data_directory, 'i2p_nodes.pickle'), 'br'
-            ) as src:
-                shared.i2p_node_pool = pickle.load(src)
-        except FileNotFoundError:
-            pass
-        except Exception:
-            logging.warning(
-                'Error while loading nodes from disk.', exc_info=True)
-
-        with open(
-            os.path.join(shared.source_directory, 'core_nodes.csv'),
-            'r', newline='', encoding='ascii'
-        ) as src:
-            reader = csv.reader(src)
-            shared.core_nodes = {(row[0], int(row[1])) for row in reader}
-            shared.node_pool.update(shared.core_nodes)
-
-        with open(
-            os.path.join(shared.source_directory, 'i2p_core_nodes.csv'),
-            'r', newline='', encoding='ascii'
-        ) as f:
-            reader = csv.reader(f)
-            shared.i2p_core_nodes = {
-                (row[0].encode(), 'i2p') for row in reader}
-            shared.i2p_node_pool.update(shared.i2p_core_nodes)
-
     @staticmethod
     def pickle_objects():
         try:
-            with open(
-                os.path.join(shared.data_directory, 'objects.pickle'), 'bw'
-            ) as dst:
+            with open(shared.data_directory + 'objects.pickle', mode='bw') as file:
                 with shared.objects_lock:
-                    pickle.dump(shared.objects, dst, protocol=3)
+                    pickle.dump(shared.objects, file, protocol=3)
                 logging.debug('Saved objects')
-        except Exception:
-            logging.warning('Error while saving objects', exc_info=True)
+        except Exception as e:
+            logging.warning('Error while saving objects')
+            logging.warning(e)
 
     @staticmethod
     def pickle_nodes():
         if len(shared.node_pool) > 10000:
-            shared.node_pool = set(random.sample(
-                tuple(shared.node_pool), 10000))
+            shared.node_pool = set(random.sample(shared.node_pool, 10000))
         if len(shared.unchecked_node_pool) > 1000:
-            shared.unchecked_node_pool = set(random.sample(
-                tuple(shared.unchecked_node_pool), 1000))
+            shared.unchecked_node_pool = set(random.sample(shared.unchecked_node_pool, 1000))
 
         if len(shared.i2p_node_pool) > 1000:
-            shared.i2p_node_pool = set(random.sample(
-                tuple(shared.i2p_node_pool), 1000))
+            shared.i2p_node_pool = set(random.sample(shared.i2p_node_pool, 1000))
         if len(shared.i2p_unchecked_node_pool) > 100:
-            shared.i2p_unchecked_node_pool = set(random.sample(
-                tuple(shared.i2p_unchecked_node_pool), 100))
+            shared.i2p_unchecked_node_pool = set(random.sample(shared.i2p_unchecked_node_pool, 100))
 
         try:
-            with open(
-                os.path.join(shared.data_directory, 'nodes.pickle'), 'bw'
-            ) as dst:
-                pickle.dump(shared.node_pool, dst, protocol=3)
-            with open(
-                os.path.join(shared.data_directory, 'i2p_nodes.pickle'), 'bw'
-            ) as dst:
-                pickle.dump(shared.i2p_node_pool, dst, protocol=3)
+            with open(shared.data_directory + 'nodes.pickle', mode='bw') as file:
+                pickle.dump(shared.node_pool, file, protocol=3)
+            with open(shared.data_directory + 'i2p_nodes.pickle', mode='bw') as file:
+                pickle.dump(shared.i2p_node_pool, file, protocol=3)
                 logging.debug('Saved nodes')
-        except Exception:
-            logging.warning('Error while saving nodes', exc_info=True)
+        except Exception as e:
+            logging.warning('Error while saving nodes')
+            logging.warning(e)
 
     @staticmethod
     def publish_i2p_destination():
         if shared.i2p_session_nick and not shared.i2p_transient:
             logging.info('Publishing our I2P destination')
-            dest_pub_raw = base64.b64decode(
-                shared.i2p_dest_pub, altchars=b'-~')
-            obj = structure.Object(
-                b'\x00' * 8, int(time.time() + 2 * 3600),
-                shared.i2p_dest_obj_type, shared.i2p_dest_obj_version,
-                shared.stream, dest_pub_raw)
-            proofofwork.do_pow_and_publish(obj)
+            dest_pub_raw = base64.b64decode(shared.i2p_dest_pub, altchars=b'-~')
+            obj = structure.Object(b'\x00' * 8, int(time.time() + 2 * 3600), shared.i2p_dest_obj_type, shared.i2p_dest_obj_version, 1, dest_pub_raw)
+            pow.do_pow_and_publish(obj)

minode/message.py

@@ -1,30 +1,24 @@
 # -*- coding: utf-8 -*-
-"""Protocol message objects"""
 import base64
 import hashlib
 import struct
 import time
 
-from . import shared, structure
+import shared
+import structure
 
 
-class Header():
-    """Message header structure"""
+class Header(object):
     def __init__(self, command, payload_length, payload_checksum):
         self.command = command
         self.payload_length = payload_length
         self.payload_checksum = payload_checksum
 
     def __repr__(self):
-        return (
-            'type: header, command: "{}", payload_length: {},'
-            ' payload_checksum: {}'
-        ).format(
-            self.command.decode(), self.payload_length,
-            base64.b16encode(self.payload_checksum).decode())
+        return 'type: header, command: "{}", payload_length: {}, payload_checksum: {}'\
+            .format(self.command.decode(), self.payload_length, base64.b16encode(self.payload_checksum).decode())
 
     def to_bytes(self):
-        """Serialize to bytes"""
         b = b''
         b += shared.magic_bytes
         b += self.command.ljust(12, b'\x00')
@@ -34,9 +28,7 @@ class Header():
 
     @classmethod
     def from_bytes(cls, b):
-        """Parse from bytes"""
-        magic_bytes, command, payload_length, payload_checksum = struct.unpack(
-            '>4s12sL4s', b)
+        magic_bytes, command, payload_length, payload_checksum = struct.unpack('>4s12sL4s', b)
 
         if magic_bytes != shared.magic_bytes:
             raise ValueError('magic_bytes do not match')
@@ -46,8 +38,7 @@ class Header():
         return cls(command, payload_length, payload_checksum)
 
 
-class Message():
-    """Common message structure"""
+class Message(object):
     def __init__(self, command, payload):
         self.command = command
         self.payload = payload
@@ -56,55 +47,35 @@ class Message():
         self.payload_checksum = hashlib.sha512(payload).digest()[:4]
 
     def __repr__(self):
-        return '{}, payload_length: {}, payload_checksum: {}'.format(
-            self.command.decode(), self.payload_length,
-            base64.b16encode(self.payload_checksum).decode())
+        return '{}, payload_length: {}, payload_checksum: {}'\
+            .format(self.command.decode(), self.payload_length, base64.b16encode(self.payload_checksum).decode())
 
     def to_bytes(self):
-        """Serialize to bytes"""
-        b = Header(
-            self.command, self.payload_length, self.payload_checksum
-        ).to_bytes()
+        b = Header(self.command, self.payload_length, self.payload_checksum).to_bytes()
         b += self.payload
         return b
 
     @classmethod
     def from_bytes(cls, b):
-        """Parse from bytes"""
         h = Header.from_bytes(b[:24])
 
         payload = b[24:]
         payload_length = len(payload)
 
         if payload_length != h.payload_length:
-            raise ValueError(
-                'wrong payload length, expected {}, got {}'.format(
-                    h.payload_length, payload_length))
+            raise ValueError('wrong payload length, expected {}, got {}'.format(h.payload_length, payload_length))
 
         payload_checksum = hashlib.sha512(payload).digest()[:4]
 
         if payload_checksum != h.payload_checksum:
-            raise ValueError(
-                'wrong payload checksum, expected {}, got {}'.format(
-                    h.payload_checksum, payload_checksum))
+            raise ValueError('wrong payload checksum, expected {}, got {}'.format(h.payload_checksum, payload_checksum))
 
         return cls(h.command, payload)
 
 
-def _payload_read_int(data):
-    varint_length = structure.VarInt.length(data[0])
-    return (
-        structure.VarInt.from_bytes(data[:varint_length]).n,
-        data[varint_length:])
-
-
-class Version():
-    """The version message payload"""
-    def __init__(
-        self, host, port, protocol_version=shared.protocol_version,
-        services=shared.services, nonce=shared.nonce,
-        user_agent=shared.user_agent, streams=None
-    ):
+class Version(object):
+    def __init__(self, host, port, protocol_version=shared.protocol_version, services=shared.services,
+                 nonce=shared.nonce, user_agent=shared.user_agent):
         self.host = host
         self.port = port
 
@@ -112,45 +83,33 @@ class Version():
         self.services = services
         self.nonce = nonce
         self.user_agent = user_agent
-        self.streams = streams or [shared.stream]
-        if len(self.streams) > 160000:
-            self.streams = self.streams[:160000]
 
     def __repr__(self):
-        return (
-            'version, protocol_version: {}, services: {}, host: {}, port: {},'
-            ' nonce: {}, user_agent: {}').format(
-                self.protocol_version, self.services, self.host, self.port,
-                base64.b16encode(self.nonce).decode(), self.user_agent)
+        return 'version, protocol_version: {}, services: {}, host: {}, port: {}, nonce: {}, user_agent: {}'\
+            .format(self.protocol_version, self.services, self.host, self.port, base64.b16encode(self.nonce).decode(), self.user_agent)
 
     def to_bytes(self):
         payload = b''
         payload += struct.pack('>I', self.protocol_version)
         payload += struct.pack('>Q', self.services)
         payload += struct.pack('>Q', int(time.time()))
-        payload += structure.NetAddrNoPrefix(
-            1, self.host, self.port).to_bytes()
-        payload += structure.NetAddrNoPrefix(
-            self.services, '127.0.0.1', 8444).to_bytes()
+        payload += structure.NetAddrNoPrefix(shared.services, self.host, self.port).to_bytes()
+        payload += structure.NetAddrNoPrefix(shared.services, '127.0.0.1', 8444).to_bytes()
         payload += self.nonce
-        payload += structure.VarInt(len(self.user_agent)).to_bytes()
-        payload += self.user_agent
-        payload += structure.VarInt(len(self.streams)).to_bytes()
-        for stream in self.streams:
-            payload += structure.VarInt(stream).to_bytes()
+        payload += structure.VarInt(len(shared.user_agent)).to_bytes()
+        payload += shared.user_agent
+        payload += 2 * structure.VarInt(1).to_bytes()
 
         return Message(b'version', payload).to_bytes()
 
     @classmethod
-    def from_message(cls, m):
+    def from_bytes(cls, b):
+        m = Message.from_bytes(b)
+
         payload = m.payload
 
-        (  # unused: net_addr_local
-            protocol_version, services, timestamp, net_addr_remote, _, nonce
-        ) = struct.unpack('>IQQ26s26s8s', payload[:80])
-
-        if abs(time.time() - timestamp) > 3600:
-            raise ValueError('remote time offset is too large')
+        protocol_version, services, t, net_addr_remote, net_addr_local, nonce = \
+            struct.unpack('>IQQ26s26s8s', payload[:80])
 
         net_addr_remote = structure.NetAddrNoPrefix.from_bytes(net_addr_remote)
 
@@ -159,28 +118,22 @@ class Version():
 
         payload = payload[80:]
 
-        user_agent_length, payload = _payload_read_int(payload)
+        user_agent_varint_length = structure.VarInt.length(payload[0])
+        user_agent_length = structure.VarInt.from_bytes(payload[:user_agent_varint_length]).n
+
+        payload = payload[user_agent_varint_length:]
+
         user_agent = payload[:user_agent_length]
+
         payload = payload[user_agent_length:]
 
-        streams_count, payload = _payload_read_int(payload)
-        if streams_count > 160000:
-            raise ValueError('malformed Version message, to many streams')
-        streams = []
+        if payload != b'\x01\x01':
+            raise ValueError('message not for stream 1')
 
-        while payload:
-            stream, payload = _payload_read_int(payload)
-            streams.append(stream)
-
-        if streams_count != len(streams):
-            raise ValueError('malformed Version message, wrong streams_count')
-
-        return cls(
-            host, port, protocol_version, services, nonce, user_agent, streams)
+        return cls(host, port, protocol_version, services, nonce, user_agent)
 
 
-class Inv():
-    """The inv message payload"""
+class Inv(object):
     def __init__(self, vectors):
         self.vectors = set(vectors)
 
@@ -188,16 +141,16 @@ class Inv():
         return 'inv, count: {}'.format(len(self.vectors))
 
     def to_bytes(self):
-        return Message(
-            b'inv', structure.VarInt(len(self.vectors)).to_bytes()
-            + b''.join(self.vectors)
-        ).to_bytes()
+        return Message(b'inv', structure.VarInt(len(self.vectors)).to_bytes() + b''.join(self.vectors)).to_bytes()
 
     @classmethod
     def from_message(cls, m):
         payload = m.payload
 
-        vector_count, payload = _payload_read_int(payload)
+        vector_count_varint_length = structure.VarInt.length(payload[0])
+        vector_count = structure.VarInt.from_bytes(payload[:vector_count_varint_length]).n
+
+        payload = payload[vector_count_varint_length:]
 
         vectors = set()
 
@@ -211,8 +164,7 @@ class Inv():
         return cls(vectors)
 
 
-class GetData():
-    """The getdata message payload"""
+class GetData(object):
     def __init__(self, vectors):
         self.vectors = set(vectors)
 
@@ -220,16 +172,16 @@ class GetData():
         return 'getdata, count: {}'.format(len(self.vectors))
 
     def to_bytes(self):
-        return Message(
-            b'getdata', structure.VarInt(len(self.vectors)).to_bytes()
-            + b''.join(self.vectors)
-        ).to_bytes()
+        return Message(b'getdata', structure.VarInt(len(self.vectors)).to_bytes() + b''.join(self.vectors)).to_bytes()
 
     @classmethod
     def from_message(cls, m):
         payload = m.payload
 
-        vector_count, payload = _payload_read_int(payload)
+        vector_count_varint_length = structure.VarInt.length(payload[0])
+        vector_count = structure.VarInt.from_bytes(payload[:vector_count_varint_length]).n
+
+        payload = payload[vector_count_varint_length:]
 
         vectors = set()
 
@@ -243,8 +195,7 @@ class GetData():
         return cls(vectors)
 
 
-class Addr():
-    """The addr message payload"""
+class Addr(object):
     def __init__(self, addresses):
         self.addresses = addresses
 
@@ -252,17 +203,16 @@ class Addr():
         return 'addr, count: {}'.format(len(self.addresses))
 
     def to_bytes(self):
-        return Message(
-            b'addr', structure.VarInt(len(self.addresses)).to_bytes()
-            + b''.join({addr.to_bytes() for addr in self.addresses})
-        ).to_bytes()
+        return Message(b'addr', structure.VarInt(len(self.addresses)).to_bytes() + b''.join({addr.to_bytes() for addr in self.addresses})).to_bytes()
 
     @classmethod
     def from_message(cls, m):
         payload = m.payload
 
-        # not validating addr_count
-        _, payload = _payload_read_int(payload)
+        addr_count_varint_length = structure.VarInt.length(payload[0])
+        addr_count = structure.VarInt.from_bytes(payload[:addr_count_varint_length]).n
+
+        payload = payload[addr_count_varint_length:]
 
         addresses = set()
 
@@ -271,37 +221,3 @@ class Addr():
             payload = payload[38:]
 
         return cls(addresses)
-
-
-class Error():
-    """The error message payload"""
-    def __init__(self, error_text=b'', fatal=0, ban_time=0, vector=b''):
-        self.error_text = error_text
-        self.fatal = fatal
-        self.ban_time = ban_time
-        self.vector = vector
-
-    def __repr__(self):
-        return 'error, text: {}'.format(self.error_text)
-
-    def to_bytes(self):
-        return Message(
-            b'error', structure.VarInt(self.fatal).to_bytes()
-            + structure.VarInt(self.ban_time).to_bytes()
-            + structure.VarInt(len(self.vector)).to_bytes() + self.vector
-            + structure.VarInt(len(self.error_text)).to_bytes()
-            + self.error_text
-        ).to_bytes()
-
-    @classmethod
-    def from_message(cls, m):
-        payload = m.payload
-        fatal, payload = _payload_read_int(payload)
-        ban_time, payload = _payload_read_int(payload)
-        vector_length, payload = _payload_read_int(payload)
-        vector = payload[:vector_length]
-        payload = payload[vector_length:]
-        error_text_length, payload = _payload_read_int(payload)
-        error_text = payload[:error_text_length]
-
-        return cls(error_text, fatal, ban_time, vector)

minode/pow.py

@@ -0,0 +1,46 @@
+import base64
+import hashlib
+import logging
+import multiprocessing
+import shared
+import struct
+import threading
+import time
+
+import structure
+
+
+def _pow_worker(target, initial_hash, q):
+    nonce = 0
+    logging.debug("target: {}, initial_hash: {}".format(target, base64.b16encode(initial_hash).decode()))
+    trial_value = target + 1
+
+    while trial_value > target:
+        nonce += 1
+        trial_value = struct.unpack('>Q', hashlib.sha512(hashlib.sha512(struct.pack('>Q', nonce) + initial_hash).digest()).digest()[:8])[0]
+
+    q.put(struct.pack('>Q', nonce))
+
+
+def _worker(obj):
+    q = multiprocessing.Queue()
+    p = multiprocessing.Process(target=_pow_worker, args=(obj.pow_target(), obj.pow_initial_hash(), q))
+
+    logging.debug("Starting POW process")
+    t = time.time()
+    p.start()
+    nonce = q.get()
+    p.join()
+
+    logging.debug("Finished doing POW, nonce: {}, time: {}s".format(nonce, time.time() - t))
+    obj = structure.Object(nonce, obj.expires_time, obj.object_type, obj.version, obj.stream_number, obj.object_payload)
+    logging.debug("Object vector is {}".format(base64.b16encode(obj.vector).decode()))
+
+    with shared.objects_lock:
+        shared.objects[obj.vector] = obj
+        shared.vector_advertise_queue.put(obj.vector)
+
+
+def do_pow_and_publish(obj):
+    t = threading.Thread(target=_worker, args=(obj, ))
+    t.start()

minode/proofofwork.py

@@ -1,54 +0,0 @@
-"""Doing proof of work"""
-import base64
-import hashlib
-import logging
-import multiprocessing
-import struct
-import threading
-import time
-
-from . import shared, structure
-
-
-def _pow_worker(target, initial_hash, q):
-    nonce = 0
-    logging.debug(
-        'target: %s, initial_hash: %s',
-        target, base64.b16encode(initial_hash).decode())
-    trial_value = target + 1
-
-    while trial_value > target:
-        nonce += 1
-        trial_value = struct.unpack('>Q', hashlib.sha512(hashlib.sha512(
-            struct.pack('>Q', nonce) + initial_hash).digest()).digest()[:8])[0]
-
-    q.put(struct.pack('>Q', nonce))
-
-
-def _worker(obj):
-    q = multiprocessing.Queue()
-    p = multiprocessing.Process(
-        target=_pow_worker, args=(obj.pow_target(), obj.pow_initial_hash(), q))
-
-    logging.debug('Starting POW process')
-    t = time.time()
-    p.start()
-    nonce = q.get()
-    p.join()
-
-    logging.debug(
-        'Finished doing POW, nonce: %s, time: %ss', nonce, time.time() - t)
-    obj = structure.Object(
-        nonce, obj.expires_time, obj.object_type, obj.version,
-        obj.stream_number, obj.object_payload)
-    logging.debug(
-        'Object vector is %s', base64.b16encode(obj.vector).decode())
-
-    with shared.objects_lock:
-        shared.objects[obj.vector] = obj
-        shared.vector_advertise_queue.put(obj.vector)
-
-
-def do_pow_and_publish(obj):
-    t = threading.Thread(target=_worker, args=(obj, ))
-    t.start()

minode/shared.py

@@ -1,5 +1,4 @@
 # -*- coding: utf-8 -*-
-"""Common variables and structures, referred in different threads"""
 import logging
 import os
 import queue
@@ -21,7 +20,7 @@ protocol_version = 3
 services = 3  # NODE_NETWORK, NODE_SSL
 stream = 1
 nonce = os.urandom(8)
-user_agent = b'/MiNode:0.3.3/'
+user_agent = b'/MiNode:0.3.0/'
 timeout = 600
 header_length = 24
 i2p_dest_obj_type = 0x493250

minode/structure.py

@@ -1,17 +1,15 @@
 # -*- coding: utf-8 -*-
-"""Protocol structures"""
 import base64
 import hashlib
 import logging
-import socket
 import struct
+import socket
 import time
 
-from . import shared
+import shared
 
 
-class VarInt():
-    """varint object"""
+class VarInt(object):
     def __init__(self, n):
         self.n = n
 
@@ -45,34 +43,21 @@ class VarInt():
         return cls(n)
 
 
-class Object():
-    """The 'object' message payload"""
-    def __init__(
-        self, nonce, expires_time, object_type, version,
-        stream_number, object_payload
-    ):
+class Object(object):
+    def __init__(self, nonce, expires_time, object_type, version, stream_number, object_payload):
         self.nonce = nonce
         self.expires_time = expires_time
         self.object_type = object_type
         self.version = version
         self.stream_number = stream_number
         self.object_payload = object_payload
-        self.vector = hashlib.sha512(hashlib.sha512(
-            self.to_bytes()).digest()).digest()[:32]
-
-        self.tag = (
-            # broadcast from version 5 and pubkey/getpukey from version 4
-            self.object_payload[:32] if object_type == 3 and version == 5
-            or (object_type in (0, 1) and version == 4)
-            else None)
+        self.vector = hashlib.sha512(hashlib.sha512(self.to_bytes()).digest()).digest()[:32]
 
     def __repr__(self):
-        return 'object, vector: {}'.format(
-            base64.b16encode(self.vector).decode())
+        return 'object, vector: {}'.format(base64.b16encode(self.vector).decode())
 
     @classmethod
     def from_message(cls, m):
-        """Decode message payload"""
         payload = m.payload
         nonce, expires_time, object_type = struct.unpack('>8sQL', payload[:20])
         payload = payload[20:]
@@ -80,87 +65,63 @@ class Object():
         version = VarInt.from_bytes(payload[:version_varint_length]).n
         payload = payload[version_varint_length:]
         stream_number_varint_length = VarInt.length(payload[0])
-        stream_number = VarInt.from_bytes(
-            payload[:stream_number_varint_length]).n
+        stream_number = VarInt.from_bytes(payload[:stream_number_varint_length]).n
         payload = payload[stream_number_varint_length:]
-        return cls(
-            nonce, expires_time, object_type, version, stream_number, payload)
+        return cls(nonce, expires_time, object_type, version, stream_number, payload)
 
     def to_bytes(self):
-        """Serialize to bytes"""
         payload = b''
         payload += self.nonce
         payload += struct.pack('>QL', self.expires_time, self.object_type)
-        payload += (
-            VarInt(self.version).to_bytes()
-            + VarInt(self.stream_number).to_bytes())
+        payload += VarInt(self.version).to_bytes() + VarInt(self.stream_number).to_bytes()
         payload += self.object_payload
         return payload
 
     def is_expired(self):
-        """Check if object's TTL is expired"""
         return self.expires_time + 3 * 3600 < time.time()
 
     def is_valid(self):
-        """Checks the object validity"""
         if self.is_expired():
-            logging.debug(
-                'Invalid object %s, reason: expired',
-                base64.b16encode(self.vector).decode())
+            logging.debug('Invalid object {}, reason: expired'.format(base64.b16encode(self.vector).decode()))
             return False
         if self.expires_time > time.time() + 28 * 24 * 3600 + 3 * 3600:
-            logging.warning(
-                'Invalid object %s, reason: end of life too far in the future',
-                base64.b16encode(self.vector).decode())
+            logging.warning('Invalid object {}, reason: end of life too far in the future'.format(base64.b16encode(self.vector).decode()))
             return False
         if len(self.object_payload) > 2**18:
-            logging.warning(
-                'Invalid object %s, reason: payload is too long',
-                base64.b16encode(self.vector).decode())
+            logging.warning('Invalid object {}, reason: payload is too long'.format(base64.b16encode(self.vector).decode()))
             return False
-        if self.stream_number != shared.stream:
-            logging.warning(
-                'Invalid object %s, reason: not in stream %i',
-                base64.b16encode(self.vector).decode(), shared.stream)
+        if self.stream_number != 1:
+            logging.warning('Invalid object {}, reason: not in stream 1'.format(base64.b16encode(self.vector).decode()))
             return False
-
-        pow_value = int.from_bytes(
-            hashlib.sha512(hashlib.sha512(
-                self.nonce + self.pow_initial_hash()
-            ).digest()).digest()[:8], 'big')
+        data = self.to_bytes()[8:]
+        length = len(data) + 8 + shared.payload_length_extra_bytes
+        dt = max(self.expires_time - time.time(), 0)
+        h = hashlib.sha512(data).digest()
+        pow_value = int.from_bytes(hashlib.sha512(hashlib.sha512(self.nonce + h).digest()).digest()[:8], 'big')
         target = self.pow_target()
         if target < pow_value:
-            logging.warning(
-                'Invalid object %s, reason: insufficient pow',
-                base64.b16encode(self.vector).decode())
+            logging.warning('Invalid object {}, reason: insufficient pow'.format(base64.b16encode(self.vector).decode()))
             return False
         return True
 
     def pow_target(self):
-        """Compute PoW target"""
         data = self.to_bytes()[8:]
         length = len(data) + 8 + shared.payload_length_extra_bytes
         dt = max(self.expires_time - time.time(), 0)
-        return int(
-            2 ** 64 / (
-                shared.nonce_trials_per_byte * (
-                    length + (dt * length) / (2 ** 16))))
+        return int(2 ** 64 / (shared.nonce_trials_per_byte * (length + (dt * length) / (2 ** 16))))
 
     def pow_initial_hash(self):
-        """Compute the initial hash for PoW"""
         return hashlib.sha512(self.to_bytes()[8:]).digest()
 
 
-class NetAddrNoPrefix():
-    """Network address"""
+class NetAddrNoPrefix(object):
     def __init__(self, services, host, port):
         self.services = services
         self.host = host
         self.port = port
 
     def __repr__(self):
-        return 'net_addr_no_prefix, services: {}, host: {}, port {}'.format(
-            self.services, self.host, self.port)
+        return 'net_addr_no_prefix, services: {}, host: {}, port {}'.format(self.services, self.host, self.port)
 
     def to_bytes(self):
         b = b''
@@ -173,34 +134,17 @@ class NetAddrNoPrefix():
         b += struct.pack('>H', int(self.port))
         return b
 
-    @staticmethod
-    def network_group(host):
-        """A simplified network group identifier from pybitmessage protocol"""
-        try:
-            host = socket.inet_pton(socket.AF_INET, host)
-            return host[:2]
-        except socket.error:
-            try:
-                host = socket.inet_pton(socket.AF_INET6, host)
-                return host[:12]
-            except OSError:
-                return host
-        except TypeError:
-            return host
-
     @classmethod
     def from_bytes(cls, b):
         services, host, port = struct.unpack('>Q16sH', b)
-        if host.startswith(
-                b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF'):
+        if host.startswith(b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF'):
             host = socket.inet_ntop(socket.AF_INET, host[-4:])
         else:
             host = socket.inet_ntop(socket.AF_INET6, host)
         return cls(services, host, port)
 
 
-class NetAddr():
-    """Network address with time and stream"""
+class NetAddr(object):
     def __init__(self, services, host, port, stream=shared.stream):
         self.stream = stream
         self.services = services
@@ -208,8 +152,8 @@ class NetAddr():
         self.port = port
 
     def __repr__(self):
-        return 'net_addr, stream: {}, services: {}, host: {}, port {}'.format(
-            self.stream, self.services, self.host, self.port)
+        return 'net_addr, stream: {}, services: {}, host: {}, port {}'\
+            .format(self.stream, self.services, self.host, self.port)
 
     def to_bytes(self):
         b = b''
@@ -220,6 +164,6 @@ class NetAddr():
 
     @classmethod
     def from_bytes(cls, b):
-        stream, net_addr = struct.unpack('>QI26s', b)[1:]
+        t, stream, net_addr = struct.unpack('>QI26s', b)
         n = NetAddrNoPrefix.from_bytes(net_addr)
         return cls(n.services, n.host, n.port, stream)

minode/tests/test_memory.py

@@ -1,57 +0,0 @@
-"""Tests for memory usage"""
-
-import gc
-import time
-
-from minode import shared
-
-from .test_network import TestProcessProto, run_listener
-
-
-class TestListener(TestProcessProto):
-    """A separate test case for Listener with a process with --trusted-peer"""
-    _process_cmd = ['minode', '--trusted-peer', '127.0.0.1']
-
-    def setUp(self):
-        shared.shutting_down = False
-
-    @classmethod
-    def tearDownClass(cls):
-        super().tearDownClass()
-        shared.shutting_down = False
-
-    def test_listener(self):
-        """Start Listener and disconnect a client"""
-        with run_listener() as listener:
-            if not listener:
-                self.fail('Failed to start listener')
-
-            shared.connection_limit = 2
-            connected = False
-            started = time.time()
-            while not connected:
-                time.sleep(0.2)
-                if time.time() - started > 90:
-                    self.fail('Failed to establish the connection')
-                for c in shared.connections:
-                    if c.status == 'fully_established':
-                        connected = True
-
-            if not self._stop_process(10):
-                self.fail('Failed to stop the client process')
-
-            for c in shared.connections.copy():
-                if not c.is_alive() or c.status == 'disconnected':
-                    shared.connections.remove(c)
-                    c = None
-                    break
-            else:
-                self.fail('The connection is alive')
-
-            gc.collect()
-            for obj in gc.get_objects():
-                if (
-                    isinstance(obj, shared.connection)
-                    and obj not in shared.connections
-                ):
-                    self.fail('Connection %s remains in memory' % obj)

minode/tests/test_message.py

@@ -1,110 +0,0 @@
-"""Tests for messages"""
-import struct
-import time
-import unittest
-from binascii import unhexlify
-
-from minode import message
-from minode.shared import magic_bytes
-
-
-# 500 identical peers:
-# import ipaddress
-# from hyperbit import net, packet
-# [packet.Address(
-#     1626611891, 1, 1, net.ipv6(ipaddress.ip_address('127.0.0.1')).packed,
-#     8444
-# ) for _ in range(1000)]
-sample_addr_data = unhexlify(
-    'fd01f4' + (
-        '0000000060f420b30000000'
-        '1000000000000000100000000000000000000ffff7f00000120fc'
-        ) * 500
-)
-
-# protocol.CreatePacket(b'ping', b'test')
-sample_ping_msg = unhexlify(
-    'e9beb4d970696e67000000000000000000000004ee26b0dd74657374')
-
-# from pybitmessage import pathmagic
-# pathmagic.setup()
-# import protocol
-# msg = protocol.assembleVersionMessage('127.0.0.1', 8444, [1, 2, 3])
-sample_version_msg = unhexlify(
-    'e9beb4d976657273696f6e00000000000000006b1b06b182000000030000000000000003'
-    '0000000064fdd3e1000000000000000100000000000000000000ffff7f00000120fc0000'
-    '00000000000300000000000000000000ffff7f00000120fc00c0b6c3eefb2adf162f5079'
-    '4269746d6573736167653a302e362e332e322f03010203'
-)
-
-#
-sample_error_data = \
-    b'\x02\x00\x006Too many connections from your IP. Closing connection.'
-
-
-class TestMessage(unittest.TestCase):
-    """Test assembling and disassembling of network mesages"""
-
-    def test_packet(self):
-        """Check packet creation and parsing by message.Message"""
-        msg = message.Message(b'ping', b'test').to_bytes()
-        self.assertEqual(msg[:len(magic_bytes)], magic_bytes)
-        with self.assertRaises(ValueError):
-            # wrong magic
-            message.Message.from_bytes(msg[1:])
-        with self.assertRaises(ValueError):
-            # wrong length
-            message.Message.from_bytes(msg[:-1])
-        with self.assertRaises(ValueError):
-            # wrong checksum
-            message.Message.from_bytes(msg[:-1] + b'\x00')
-        msg = message.Message.from_bytes(sample_ping_msg)
-        self.assertEqual(msg.command, b'ping')
-        self.assertEqual(msg.payload, b'test')
-
-    def test_addr(self):
-        """Test addr messages"""
-        msg = message.Message(b'addr', sample_addr_data)
-        addr_packet = message.Addr.from_message(msg)
-        self.assertEqual(len(addr_packet.addresses), 500)
-        address = addr_packet.addresses.pop()
-        self.assertEqual(address.stream, 1)
-        self.assertEqual(address.services, 1)
-        self.assertEqual(address.port, 8444)
-        self.assertEqual(address.host, '127.0.0.1')
-
-    def test_version(self):
-        """Test version message"""
-        msg = message.Message.from_bytes(sample_version_msg)
-        self.assertEqual(msg.command, b'version')
-        with self.assertRaises(ValueError):
-            # large time offset
-            version_packet = message.Version.from_message(msg)
-        msg.payload = (
-            msg.payload[:12] + struct.pack('>Q', int(time.time()))
-            + msg.payload[20:])
-
-        version_packet = message.Version.from_message(msg)
-        self.assertEqual(version_packet.host, '127.0.0.1')
-        self.assertEqual(version_packet.port, 8444)
-        self.assertEqual(version_packet.protocol_version, 3)
-        self.assertEqual(version_packet.services, 3)
-        self.assertEqual(version_packet.user_agent, b'/PyBitmessage:0.6.3.2/')
-        self.assertEqual(version_packet.streams, [1, 2, 3])
-
-        msg = version_packet.to_bytes()
-        # omit header and timestamp
-        self.assertEqual(msg[24:36], sample_version_msg[24:36])
-        self.assertEqual(msg[44:], sample_version_msg[44:])
-
-    def test_error(self):
-        """Test error message"""
-        msg = message.Error.from_message(
-            message.Message(b'error', sample_error_data))
-        self.assertEqual(msg.fatal, 2)
-        self.assertEqual(msg.ban_time, 0)
-        self.assertEqual(msg.vector, b'')
-
-        msg = message.Error(
-            b'Too many connections from your IP. Closing connection.', 2)
-        self.assertEqual(msg.to_bytes()[24:], sample_error_data)

minode/tests/test_network.py

@@ -1,279 +0,0 @@
-"""Tests for network connections"""
-import ipaddress
-import logging
-import os
-import random
-import unittest
-import tempfile
-import time
-from contextlib import contextmanager
-
-from minode import connection, main, shared
-from minode.listener import Listener
-from minode.manager import Manager
-
-from .test_process import TestProcessProto
-
-
-logging.basicConfig(
-    level=logging.INFO,
-    format='[%(asctime)s] [%(levelname)s] %(message)s')
-
-
-@contextmanager
-def time_offset(offset):
-    """
-    Replace time.time() by a mock returning a constant value
-    with given offset from current time.
-    """
-    started = time.time()
-    time_call = time.time
-    try:
-        time.time = lambda: started + offset
-        yield time_call
-    finally:
-        time.time = time_call
-
-
-@contextmanager
-def run_listener(host='localhost', port=8444):
-    """
-    Run the Listener with zero connection limit and
-    reset variables in shared after its stop.
-    """
-    connection_limit = shared.connection_limit
-    shared.connection_limit = 0
-    try:
-        listener = Listener(host, port)
-        listener.start()
-        yield listener
-    except OSError:
-        yield
-    finally:
-        shared.connection_limit = connection_limit
-        shared.connections.clear()
-        shared.shutting_down = True
-        time.sleep(1)
-
-
-class TestNetwork(unittest.TestCase):
-    """Test case starting connections"""
-
-    @classmethod
-    def setUpClass(cls):
-        shared.data_directory = tempfile.gettempdir()
-
-    def setUp(self):
-        shared.core_nodes.clear()
-        shared.unchecked_node_pool.clear()
-        shared.objects = {}
-        try:
-            os.remove(os.path.join(shared.data_directory, 'objects.pickle'))
-        except FileNotFoundError:
-            pass
-
-    def _make_initial_nodes(self):
-        Manager.load_data()
-        core_nodes_len = len(shared.core_nodes)
-        self.assertGreaterEqual(core_nodes_len, 3)
-
-        main.bootstrap_from_dns()
-        self.assertGreaterEqual(len(shared.core_nodes), core_nodes_len)
-        for host, _ in shared.core_nodes:
-            try:
-                ipaddress.IPv4Address(host)
-            except ipaddress.AddressValueError:
-                try:
-                    ipaddress.IPv6Address(host)
-                except ipaddress.AddressValueError:
-                    self.fail('Found not an IP address in the core nodes')
-                break
-        else:
-            self.fail('No IPv6 address found in the core nodes')
-
-    def test_bootstrap(self):
-        """Start bootstrappers and check node pool"""
-        if shared.core_nodes:
-            shared.core_nodes = set()
-        if shared.unchecked_node_pool:
-            shared.unchecked_node_pool = set()
-
-        self._make_initial_nodes()
-        self.assertEqual(len(shared.unchecked_node_pool), 0)
-
-        for node in shared.core_nodes:
-            c = connection.Bootstrapper(*node)
-            c.start()
-            c.join()
-            if len(shared.unchecked_node_pool) > 2:
-                break
-        else:
-            self.fail(
-                'Failed to find at least 3 nodes'
-                ' after running %s bootstrappers' % len(shared.core_nodes))
-
-    def test_connection(self):
-        """Check a normal connection - should receive objects"""
-        self._make_initial_nodes()
-
-        started = time.time()
-        nodes = list(shared.core_nodes.union(shared.unchecked_node_pool))
-        random.shuffle(nodes)
-
-        for node in nodes:
-            # unknown = node not in shared.node_pool
-            # self.assertTrue(unknown)
-            unknown = True
-            shared.node_pool.discard(node)
-
-            c = connection.Connection(*node)
-            c.start()
-            connection_started = time.time()
-            while c.status not in ('disconnected', 'failed'):
-                # The addr of established connection is added to nodes pool
-                if unknown and c.status == 'fully_established':
-                    unknown = False
-                    self.assertIn(node, shared.node_pool)
-                if shared.objects or time.time() - connection_started > 90:
-                    c.status = 'disconnecting'
-                if time.time() - started > 300:
-                    c.status = 'disconnecting'
-                    self.fail('Failed to receive an object in %s sec' % 300)
-                time.sleep(0.2)
-            if shared.objects:  # got some objects
-                break
-        else:
-            self.fail('Failed to establish a proper connection')
-
-    def test_time_offset(self):
-        """Assert the network bans for large time offset"""
-        def try_connect(nodes, timeout, call):
-            started = call()
-            for node in nodes:
-                c = connection.Connection(*node)
-                c.start()
-                while call() < started + timeout:
-                    if c.status == 'fully_established':
-                        return 'Established a connection'
-                    if c.status in ('disconnected', 'failed'):
-                        break
-                    time.sleep(0.2)
-                else:
-                    return 'Spent too much time trying to connect'
-
-        def time_offset_connections(nodes, offset):
-            """Spoof time.time and open connections with given time offset"""
-            with time_offset(offset) as time_call:
-                result = try_connect(nodes, 200, time_call)
-                if result:
-                    self.fail(result)
-
-        self._make_initial_nodes()
-        nodes = random.sample(
-            tuple(shared.core_nodes.union(shared.unchecked_node_pool)), 5)
-
-        time_offset_connections(nodes, 4000)
-        time_offset_connections(nodes, -4000)
-
-
-class TestListener(TestProcessProto):
-    """A separate test case for Listener with a process with --trusted-peer"""
-    _process_cmd = ['minode', '--trusted-peer', '127.0.0.1']
-
-    def setUp(self):
-        shared.shutting_down = False
-
-    @classmethod
-    def tearDownClass(cls):
-        super().tearDownClass()
-        shared.shutting_down = False
-
-    def test_listener(self):
-        """Start Listener and try to connect"""
-        with run_listener() as listener:
-            if not listener:
-                self.fail('Failed to start listener')
-
-            c = connection.Connection('127.0.0.1', 8444)
-            shared.connections.add(c)
-
-            for _ in range(30):
-                if len(shared.connections) > 1:
-                    self.fail('The listener ignored connection limit')
-                time.sleep(0.5)
-
-            shared.connection_limit = 2
-            c.start()
-            started = time.time()
-            while c.status not in ('disconnected', 'failed'):
-                if c.status == 'fully_established':
-                    self.fail('Connected to itself')
-                if time.time() - started > 90:
-                    c.status = 'disconnecting'
-                time.sleep(0.2)
-
-            server = None
-            started = time.time()
-            while not server:
-                time.sleep(0.2)
-                if time.time() - started > 90:
-                    self.fail('Failed to establish the connection')
-                for c in shared.connections:
-                    if c.status == 'fully_established':
-                        server = c
-            self.assertTrue(server.server)
-
-            while not self.process.connections():
-                time.sleep(0.2)
-                if time.time() - started > 90:
-                    self.fail('Failed to connect to listener')
-
-            client = self.process.connections()[0]
-            self.assertEqual(client.raddr[0], '127.0.0.1')
-            self.assertEqual(client.raddr[1], 8444)
-            self.assertEqual(server.host, client.laddr[0])
-            # self.assertEqual(server.port, client.laddr[1])
-            server.status = 'disconnecting'
-
-        self.assertFalse(listener.is_alive())
-
-    def test_listener_timeoffset(self):
-        """Run listener with a large time offset - shouldn't connect"""
-        with time_offset(4000):
-            with run_listener() as listener:
-                if not listener:
-                    self.fail('Failed to start listener')
-                shared.connection_limit = 2
-                for _ in range(30):
-                    for c in shared.connections:
-                        if c.status == 'fully_established':
-                            self.fail('Established a connection')
-                    time.sleep(0.5)
-
-
-class TestBootstrapProcess(TestProcessProto):
-    """A separate test case for bootstrapping with a minode process"""
-    _listen = True
-    _connection_limit = 24
-
-    def test_bootstrap(self):
-        """Start a bootstrapper for the local process and check node pool"""
-        if shared.unchecked_node_pool:
-            shared.unchecked_node_pool = set()
-
-        started = time.time()
-        while not self.connections():
-            if time.time() - started > 60:
-                self.fail('Failed to establish a connection')
-            time.sleep(1)
-
-        for _ in range(3):
-            c = connection.Bootstrapper('127.0.0.1', 8444)
-            c.start()
-            c.join()
-            if len(shared.unchecked_node_pool) > 2:
-                break
-        else:
-            self.fail(
-                'Failed to find at least 3 nodes'
-                ' after 3 tries to bootstrap with the local process')

minode/tests/test_process.py

@@ -1,187 +0,0 @@
-"""Blind tests, starting the minode process"""
-import os
-import signal
-import socket
-import subprocess
-import sys
-import tempfile
-import time
-import unittest
-
-import psutil
-
-from minode.i2p import util
-from minode.structure import NetAddrNoPrefix
-
-try:
-    socket.socket().bind(('127.0.0.1', 7656))
-    i2p_port_free = True
-except (OSError, socket.error):
-    i2p_port_free = False
-
-
-class TestProcessProto(unittest.TestCase):
-    """Test process attributes, common flow"""
-    _process_cmd = ['minode']
-    _connection_limit = 4 if sys.platform.startswith('win') else 8
-    _listen = False
-    _listening_port = None
-
-    home = None
-
-    @classmethod
-    def setUpClass(cls):
-        if not cls.home:
-            cls.home = tempfile.gettempdir()
-        cmd = cls._process_cmd + [
-            '--data-dir', cls.home,
-            '--connection-limit', str(cls._connection_limit)
-        ]
-        if not cls._listen:
-            cmd += ['--no-incoming']
-        elif cls._listening_port:
-            cmd += ['-p', str(cls._listening_port)]
-        cls.process = psutil.Popen(cmd, stderr=subprocess.STDOUT)  # nosec
-
-    @classmethod
-    def _stop_process(cls, timeout=5):
-        cls.process.send_signal(signal.SIGTERM)
-        try:
-            cls.process.wait(timeout)
-        except psutil.TimeoutExpired:
-            return False
-        return True
-
-    @classmethod
-    def tearDownClass(cls):
-        """Ensures that process stopped and removes files"""
-        try:
-            if not cls._stop_process(10):
-                try:
-                    cls.process.kill()
-                except psutil.NoSuchProcess:
-                    pass
-        except psutil.NoSuchProcess:
-            pass
-
-    def connections(self):
-        """All process' established connections"""
-        return [
-            c for c in self.process.connections()
-            if c.status == 'ESTABLISHED']
-
-
-class TestProcessShutdown(TestProcessProto):
-    """Separate test case for SIGTERM"""
-    _wait_time = 30
-    # longer wait time because it's not a benchmark
-
-    def test_shutdown(self):
-        """Send to minode SIGTERM and ensure it stopped"""
-        self.assertTrue(
-            self._stop_process(self._wait_time),
-            '%s has not stopped in %i sec' % (
-                ' '.join(self._process_cmd), self._wait_time))
-
-
-class TestProcess(TestProcessProto):
-    """The test case for minode process"""
-    _wait_time = 180
-    _check_limit = False
-
-    def test_connections(self):
-        """Check minode process connections"""
-        _started = time.time()
-
-        def continue_check_limit(extra_time):
-            for _ in range(extra_time * 2):
-                self.assertLessEqual(
-                    len(self.connections()),
-                    # shared.outgoing_connections, one listening
-                    # TODO: find the cause of one extra
-                    (min(self._connection_limit, 8) if not self._listen
-                     else self._connection_limit) + 1,
-                    'Opened more connections than required'
-                    ' by --connection-limit')
-                time.sleep(1)
-
-        for _ in range(self._wait_time * 2):
-            if len(self.connections()) >= self._connection_limit / 2:
-                _time_to_connect = round(time.time() - _started)
-                break
-            if '--i2p' not in self._process_cmd:
-                groups = []
-                for c in self.connections():
-                    group = NetAddrNoPrefix.network_group(c.raddr[0])
-                    self.assertNotIn(group, groups)
-                    groups.append(group)
-            time.sleep(0.5)
-        else:
-            self.fail(
-                'Failed to establish at least %i connections in %s sec'
-                % (int(self._connection_limit / 2), self._wait_time))
-
-        if self._check_limit:
-            continue_check_limit(_time_to_connect)
-
-        for c in self.process.connections():
-            if c.status == 'LISTEN':
-                if self._listen is False:
-                    self.fail('Listening while started with --no-incoming')
-                    return
-                self.assertEqual(c.laddr[1], self._listening_port or 8444)
-                break
-        else:
-            if self._listen:
-                self.fail('No listening connection found')
-
-
-@unittest.skipIf(i2p_port_free, 'No running i2pd detected')
-class TestProcessI2P(TestProcess):
-    """Test minode process with --i2p and no IP"""
-    _process_cmd = ['minode', '--i2p', '--no-ip']
-    _listen = True
-    _listening_port = 8448
-
-    @classmethod
-    def setUpClass(cls):
-        cls.freezed = False
-        cls.keyfile = os.path.join(cls.home, 'i2p_dest.pub')
-        saved = os.path.isfile(cls.keyfile)
-        super().setUpClass()
-        for _ in range(cls._wait_time):
-            if saved:
-                if cls.process.num_threads() > 3:
-                    break
-            elif os.path.isfile(cls.keyfile):
-                break
-            time.sleep(1)
-        else:
-            cls.freezed = True
-
-    def setUp(self):
-        """Skip any test if I2PController freezed"""
-        if self.freezed:
-            raise unittest.SkipTest(
-                'I2PController has probably failed to start')
-
-    def test_saved_keys(self):
-        """Check saved i2p keys"""
-        with open(self.keyfile, 'br') as src:
-            i2p_dest_pub = src.read()
-        with open(os.path.join(self.home, 'i2p_dest_priv.key'), 'br') as src:
-            i2p_dest_priv = src.read()
-        self.assertEqual(util.pub_from_priv(i2p_dest_priv), i2p_dest_pub)
-
-    def test_connections(self):
-        """Ensure all connections are I2P"""
-        super().test_connections()
-        for c in self.connections():
-            self.assertEqual(c.raddr[0], '127.0.0.1')
-            self.assertEqual(c.raddr[1], 7656)
-
-
-@unittest.skipUnless(i2p_port_free, 'Detected running i2pd')
-class TestProcessNoI2P(TestProcessShutdown):
-    """Test minode process shutdown with --i2p and no IP"""
-    _process_cmd = ['minode', '--i2p', '--no-ip']

minode/tests/test_structure.py

@@ -1,194 +0,0 @@
-"""Tests for structures"""
-import base64
-import logging
-import queue
-import struct
-import time
-import unittest
-from binascii import unhexlify
-
-from minode import message, proofofwork, shared, structure
-
-
-# host pregenerated by pybitmessage.protocol.encodeHost()
-# for one of bootstrap servers, port 8080,
-# everything else is like in test_message: 1626611891, 1, 1
-sample_addr_data = unhexlify(
-    '0000000060f420b3000000010000000000000001'
-    '260753000201300000000000000057ae1f90')
-
-# data for an object with expires_time 1697063939
-# structure.Object(
-#     b'\x00' * 8, expires_time, 42, 1, 2, b'HELLO').to_bytes()
-sample_object_data = unhexlify(
-    '000000000000000000000000652724030000002a010248454c4c4f')
-
-logging.basicConfig(
-    level=shared.log_level,
-    format='[%(asctime)s] [%(levelname)s] %(message)s')
-
-
-class TestStructure(unittest.TestCase):
-    """Testing structures serializing and deserializing"""
-
-    @classmethod
-    def setUpClass(cls):
-        shared.objects = {}
-
-    def test_varint(self):
-        """Test varint serializing and deserializing"""
-        s = structure.VarInt(0)
-        self.assertEqual(s.to_bytes(), b'\x00')
-        s = structure.VarInt.from_bytes(b'\x00')
-        self.assertEqual(s.n, 0)
-        s = structure.VarInt(42)
-        self.assertEqual(s.to_bytes(), b'*')
-        s = structure.VarInt.from_bytes(b'*')
-        self.assertEqual(s.n, 42)
-        s = structure.VarInt(252)
-        self.assertEqual(s.to_bytes(), unhexlify('fc'))
-        s = structure.VarInt.from_bytes(unhexlify('fc'))
-        self.assertEqual(s.n, 252)
-        s = structure.VarInt(253)
-        self.assertEqual(s.to_bytes(), unhexlify('fd00fd'))
-        s = structure.VarInt.from_bytes(unhexlify('fd00fd'))
-        self.assertEqual(s.n, 253)
-        s = structure.VarInt(100500)
-        self.assertEqual(s.to_bytes(), unhexlify('fe00018894'))
-        s = structure.VarInt.from_bytes(unhexlify('fe00018894'))
-        self.assertEqual(s.n, 100500)
-        s = structure.VarInt(65535)
-        self.assertEqual(s.to_bytes(), unhexlify('fdffff'))
-        s = structure.VarInt.from_bytes(unhexlify('fdffff'))
-        self.assertEqual(s.n, 65535)
-        s = structure.VarInt(4294967295)
-        self.assertEqual(s.to_bytes(), unhexlify('feffffffff'))
-        s = structure.VarInt.from_bytes(unhexlify('feffffffff'))
-        self.assertEqual(s.n, 4294967295)
-        s = structure.VarInt(4294967296)
-        self.assertEqual(s.to_bytes(), unhexlify('ff0000000100000000'))
-        s = structure.VarInt.from_bytes(unhexlify('ff0000000100000000'))
-        self.assertEqual(s.n, 4294967296)
-        s = structure.VarInt(18446744073709551615)
-        self.assertEqual(s.to_bytes(), unhexlify('ffffffffffffffffff'))
-        s = structure.VarInt.from_bytes(unhexlify('ffffffffffffffffff'))
-        self.assertEqual(s.n, 18446744073709551615)
-
-    def test_address(self):
-        """Check address encoding in structure.NetAddrNoPrefix()"""
-        addr = structure.NetAddrNoPrefix(1, '127.0.0.1', 8444)
-        self.assertEqual(
-            addr.to_bytes()[8:24],
-            b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF'
-            + struct.pack('>L', 2130706433))
-        addr = structure.NetAddrNoPrefix(1, '191.168.1.1', 8444)
-        self.assertEqual(
-            addr.to_bytes()[8:24],
-            unhexlify('00000000000000000000ffffbfa80101'))
-        addr = structure.NetAddrNoPrefix(1, '1.1.1.1', 8444)
-        self.assertEqual(
-            addr.to_bytes()[8:24],
-            unhexlify('00000000000000000000ffff01010101'))
-        addr = structure.NetAddrNoPrefix(
-            1, '0102:0304:0506:0708:090A:0B0C:0D0E:0F10', 8444)
-        self.assertEqual(
-            addr.to_bytes()[8:24],
-            unhexlify('0102030405060708090a0b0c0d0e0f10'))
-
-        addr = structure.NetAddr.from_bytes(sample_addr_data)
-        self.assertEqual(addr.host, '2607:5300:201:3000::57ae')
-        self.assertEqual(addr.port, 8080)
-        self.assertEqual(addr.stream, 1)
-        self.assertEqual(addr.services, 1)
-
-        addr = structure.NetAddr(1, '2607:5300:201:3000::57ae', 8080, 1)
-        self.assertEqual(addr.to_bytes()[8:], sample_addr_data[8:])
-
-    def test_network_group(self):
-        """Test various types of network groups"""
-        test_ip = '1.2.3.4'
-        self.assertEqual(
-            b'\x01\x02', structure.NetAddrNoPrefix.network_group(test_ip))
-        self.assertEqual(
-            structure.NetAddrNoPrefix.network_group('8.8.8.8'),
-            structure.NetAddrNoPrefix.network_group('8.8.4.4'))
-        self.assertNotEqual(
-            structure.NetAddrNoPrefix.network_group('1.1.1.1'),
-            structure.NetAddrNoPrefix.network_group('8.8.8.8'))
-        test_ip = '0102:0304:0506:0708:090A:0B0C:0D0E:0F10'
-        self.assertEqual(
-            b'\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C',
-            structure.NetAddrNoPrefix.network_group(test_ip))
-        for test_ip in (
-            'bootstrap8444.bitmessage.org', 'quzwelsuziwqgpt2.onion', None
-        ):
-            self.assertEqual(
-                test_ip, structure.NetAddrNoPrefix.network_group(test_ip))
-
-    def test_object(self):
-        """Create and check objects"""
-        obj = structure.Object.from_message(
-            message.Message(b'object', sample_object_data))
-        self.assertEqual(obj.object_type, 42)
-        self.assertEqual(obj.stream_number, 2)
-        self.assertEqual(obj.expires_time, 1697063939)
-        self.assertEqual(obj.object_payload, b'HELLO')
-
-        obj = structure.Object(
-            b'\x00' * 8, int(time.time() + 3000000), 42, 1, 1, b'HELLO')
-        self.assertFalse(obj.is_valid())
-        obj.expires_time = int(time.time() - 11000)
-        self.assertFalse(obj.is_valid())
-
-        obj = structure.Object(
-            b'\x00' * 8, int(time.time() + 300), 42, 1, 2, b'HELLO')
-        vector = obj.vector
-        proofofwork._worker(obj)  # pylint: disable=protected-access
-        obj = shared.objects.popitem()[1]
-        self.assertNotEqual(obj.vector, vector)
-        self.assertFalse(obj.is_expired())
-        self.assertFalse(obj.is_valid())
-        shared.stream = 2
-        self.assertTrue(obj.is_valid())
-
-        obj.object_payload = \
-            b'TIGER, tiger, burning bright. In the forests of the night'
-        self.assertFalse(obj.is_valid())
-
-    def test_proofofwork(self):
-        """Check the main proofofwork call and worker"""
-        shared.vector_advertise_queue = queue.Queue()
-        obj = structure.Object(
-            b'\x00' * 8, int(time.time() + 300), 42, 1,
-            shared.stream, b'HELLO')
-        start_time = time.time()
-        proofofwork.do_pow_and_publish(obj)
-        try:
-            vector = shared.vector_advertise_queue.get(timeout=300)
-        except queue.Empty:
-            self.fail("Couldn't make work in 300 sec")
-        else:
-            time.sleep(1)
-            try:
-                result = shared.objects[vector]
-            except KeyError:
-                self.fail(
-                    "Couldn't found object with vector %s"
-                    " %s sec after pow start" % (
-                        base64.b16encode(vector), time.time() - start_time))
-            self.assertTrue(result.is_valid())
-            self.assertEqual(result.object_type, 42)
-            self.assertEqual(result.object_payload, b'HELLO')
-
-        q = queue.Queue()
-        # pylint: disable=protected-access
-        proofofwork._pow_worker(obj.pow_target(), obj.pow_initial_hash(), q)
-        try:
-            nonce = q.get(timeout=5)
-        except queue.Empty:
-            self.fail("No nonce found in the queue")
-
-        obj = structure.Object(
-            nonce, obj.expires_time, obj.object_type, obj.version,
-            obj.stream_number, obj.object_payload)
-        self.assertTrue(obj.is_valid())

requirements.txt

@@ -1,2 +0,0 @@
-coverage
-psutil

setup.py

@@ -1,35 +0,0 @@
-#!/usr/bin/env python
-
-import os
-
-from setuptools import setup, find_packages
-
-from minode import shared
-
-
-README = open(os.path.join(
-    os.path.abspath(os.path.dirname(__file__)), 'README.md')).read()
-
-name, version = shared.user_agent.strip(b'/').split(b':')
-
-setup(
-    name=name.decode('utf-8'),
-    version=version.decode('utf-8'),
-    description='Python 3 implementation of the Bitmessage protocol.'
-    ' Designed only to route objects inside the network.',
-    long_description=README,
-    license='MIT',
-    author='Krzysztof Oziomek',
-    url='https://git.bitmessage.org/lee.miller/MiNode',
-    packages=find_packages(exclude=('*tests',)),
-    package_data={'': ['*.csv', 'tls/*.pem']},
-    entry_points={'console_scripts': ['minode = minode.main:main']},
-    classifiers=[
-        "License :: OSI Approved :: MIT License"
-        "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3",
-        "Topic :: Internet",
-        "Topic :: Security :: Cryptography",
-        "Topic :: Software Development :: Libraries :: Python Modules",
-    ],
-)

start.sh

@@ -1,2 +1,2 @@
 #!/bin/sh
-python3 -m minode.main "$@"
+python3 minode/main.py "$@"

tests.py

@@ -1,18 +0,0 @@
-#!/usr/bin/env python
-"""Custom tests runner script"""
-import random  # noseq
-import sys
-import unittest
-
-
-def unittest_discover():
-    """Explicit test suite creation"""
-    loader = unittest.defaultTestLoader
-    # randomize the order of tests in test cases
-    loader.sortTestMethodsUsing = lambda a, b: random.randint(-1, 1)
-    return loader.discover('minode.tests')
-
-
-if __name__ == "__main__":
-    result = unittest.TextTestRunner(verbosity=2).run(unittest_discover())
-    sys.exit(not result.wasSuccessful())

tox.ini

@@ -1,45 +0,0 @@
-[tox]
-envlist = reset,py3{6,7,8,9,10,11},stats
-skip_missing_interpreters = true
-
-[testenv]
-deps = -rrequirements.txt
-commands =
-    coverage run -a -m tests
-
-[testenv:lint-basic]
-deps = flake8
-commands =
-    flake8 minode --count --select=E9,F63,F7,F82 --show-source --statistics
-
-[testenv:reset]
-deps =
-    -rrequirements.txt
-    bandit
-    flake8
-    pylint
-commands =
-    coverage erase
-    flake8 minode --count --statistics
-    pylint minode --exit-zero --rcfile=tox.ini
-    bandit -r --exit-zero -x tests minode
-
-[testenv:stats]
-deps = coverage
-commands =
-    coverage report
-    coverage xml
-
-[coverage:run]
-source = minode
-omit =
-     tests.py
-     */tests/*
-
-[coverage:report]
-ignore_errors = true
-
-[pylint.main]
-disable = invalid-name,consider-using-f-string,fixme
-max-args = 8
-max-attributes = 8