tReduce lines to below 80 chars where appropriate - electrum-personal-server - Maximally lightweight electrum server for a single user
HTML git clone https://git.parazyd.org/electrum-personal-server
DIR Log
DIR Files
DIR Refs
DIR README
---
DIR commit 90da1ce20cbea9b8ffed1a4c812cde3f7b63b99b
DIR parent 2b955afb0b9b3051cc4ccb6643774e26252ccaf6
HTML Author: chris-belcher <chris-belcher@users.noreply.github.com>
Date: Fri, 21 Jun 2019 22:53:17 +0100
Reduce lines to below 80 chars where appropriate
Diffstat:
M config.ini_sample | 3 ++-
M electrumpersonalserver/server/comm… | 3 +--
M electrumpersonalserver/server/peer… | 55 +++++++++++++++++++------------
3 files changed, 37 insertions(+), 24 deletions(-)
---
DIR diff --git a/config.ini_sample b/config.ini_sample
t@@ -78,7 +78,8 @@ disable_mempool_fee_histogram = false
# with file path as parameter %s)
broadcast_method = own-node
-# For tor broadcasting (broadcast_method = tor) configure the tor proxy host and port below
+# For tor broadcasting (broadcast_method = tor) configure
+# the tor proxy host and port below
tor_host = localhost
tor_port = 9050
DIR diff --git a/electrumpersonalserver/server/common.py b/electrumpersonalserver/server/common.py
t@@ -247,7 +247,6 @@ def handle_query(sock, line, rpc, txmonitor, disable_mempool_fee_histogram,
except JsonRpcError as e:
pass
elif broadcast_method == "tor":
- # send through tor
TOR_CONNECTIONS = 8
network = "mainnet"
chaininfo = rpc.call("getblockchaininfo", [])
t@@ -257,7 +256,7 @@ def handle_query(sock, line, rpc, txmonitor, disable_mempool_fee_histogram,
network = "regtest"
for i in range(TOR_CONNECTIONS):
t = threading.Thread(target=p2p.tor_broadcast_tx,
- args=(txhex, tor_hostport, network, rpc,))
+ args=(txhex, tor_hostport, network, rpc,))
t.start()
time.sleep(0.1)
elif broadcast_method.startswith("system "):
DIR diff --git a/electrumpersonalserver/server/peertopeer.py b/electrumpersonalserver/server/peertopeer.py
t@@ -6,7 +6,11 @@ from struct import pack, unpack
from datetime import datetime
import electrumpersonalserver.bitcoin as btc
-from electrumpersonalserver.server.socks import socksocket, setdefaultproxy, PROXY_TYPE_SOCKS5
+from electrumpersonalserver.server.socks import (
+ socksocket,
+ setdefaultproxy,
+ PROXY_TYPE_SOCKS5
+)
from electrumpersonalserver.server.jsonrpc import JsonRpcError
import logging as log
t@@ -87,12 +91,14 @@ class P2PMessageHandler(object):
def check_keepalive(self, p2p):
if self.waiting_for_keepalive:
- if (datetime.now() - self.last_message).total_seconds() < KEEPALIVE_TIMEOUT:
+ if ((datetime.now() - self.last_message).total_seconds()
+ < KEEPALIVE_TIMEOUT):
return
log.info('keepalive timed out, closing')
p2p.sock.close()
else:
- if (datetime.now() - self.last_message).total_seconds() < KEEPALIVE_INTERVAL:
+ if ((datetime.now() - self.last_message).total_seconds()
+ < KEEPALIVE_INTERVAL):
return
log.debug('sending keepalive to peer')
self.waiting_for_keepalive = True
t@@ -119,7 +125,8 @@ class P2PMessageHandler(object):
start_height = read_int(ptr, payload, 4)
if version > RELAY_TX_VERSION:
relay = read_int(ptr, payload, 1) != 0
- else: # must check this node accepts unconfirmed transactions for the broadcast
+ else:
+ # must check node accepts unconfirmed txes before broadcasting
relay = True
log.debug(('peer version message: version=%d services=0x%x'
+ ' timestamp=%s user_agent=%s start_height=%d relay=%i'
t@@ -154,7 +161,8 @@ class P2PMessageHandler(object):
class P2PProtocol(object):
def __init__(self, p2p_message_handler, remote_hostport,
network, user_agent=DEFAULT_USER_AGENT,
- socks5_hostport=("localhost", 9050), connect_timeout=30, heartbeat_interval=15):
+ socks5_hostport=("localhost", 9050), connect_timeout=30,
+ heartbeat_interval=15):
self.log = (log if log else
log.getLogger('ELECTRUMPERSONALSERVER'))
self.p2p_message_handler = p2p_message_handler
t@@ -219,14 +227,16 @@ class P2PProtocol(object):
if not recv_data or len(recv_data) == 0:
raise EOFError()
recv_buffer += recv_data
- # this is O(N^2) scaling in time, another way would be to store in a list
- # and combine at the end with "".join()
+ # this is O(N^2) scaling in time, another way would be to
+ # store in a list and combine at the end with "".join()
# but this isnt really timing critical so didnt optimize it
data_remaining = True
while data_remaining and not self.closed:
- if payload_length == -1 and len(recv_buffer) >= HEADER_LENGTH:
- net_magic, command, payload_length, checksum = unpack('<I12sI4s', recv_buffer[:HEADER_LENGTH])
+ if payload_length == -1 and (len(recv_buffer)
+ >= HEADER_LENGTH):
+ net_magic, command, payload_length, checksum =\
+ unpack('<I12sI4s', recv_buffer[:HEADER_LENGTH])
recv_buffer = recv_buffer[HEADER_LENGTH:]
if net_magic != self.magic:
log.debug('wrong MAGIC: ' + hex(net_magic))
t@@ -234,15 +244,17 @@ class P2PProtocol(object):
break
command = command.strip(b'\0')
else:
-
- if payload_length >= 0 and len(recv_buffer) >= payload_length:
+ if payload_length >= 0 and (len(recv_buffer)
+ >= payload_length):
payload = recv_buffer[:payload_length]
recv_buffer = recv_buffer[payload_length:]
if btc.bin_dbl_sha256(payload)[:4] == checksum:
- self.p2p_message_handler.handle_message(self, command,
- payload_length, payload)
+ self.p2p_message_handler.handle_message(
+ self, command, payload_length, payload)
else:
- log.debug('wrong checksum, dropping message, cmd=' + command + ' payloadlen=' + str(payload_length))
+ log.debug("wrong checksum, dropping " +
+ "message, cmd=" + command +
+ " payloadlen=" + str(payload_length))
payload_length = -1
data_remaining = True
else:
t@@ -263,7 +275,6 @@ class P2PProtocol(object):
except Exception as _:
pass
-
def close(self):
self.closed = True
t@@ -306,11 +317,13 @@ class P2PBroadcastTx(P2PMessageHandler):
VERACK_TIMEOUT = 40
GETDATA_TIMEOUT = 60
if not self.connected:
- if (datetime.now() - self.time_marker).total_seconds() < VERACK_TIMEOUT:
+ if ((datetime.now() - self.time_marker).total_seconds()
+ < VERACK_TIMEOUT):
return
log.debug('timed out of waiting for verack')
else:
- if (datetime.now() - self.time_marker).total_seconds() < GETDATA_TIMEOUT:
+ if ((datetime.now() - self.time_marker).total_seconds()
+ < GETDATA_TIMEOUT):
return
log.debug('timed out of waiting for getdata, node already has tx')
self.uploaded_tx = True
t@@ -337,15 +350,15 @@ def tor_broadcast_tx(txhex, tor_hostport, network, rpc):
try:
node_addrs = rpc.call("getnodeaddresses", [ATTEMPTS])
except JsonRpcError:
- log.error("BitcoinCore v0.18.0 must be running to broadcast through Tor")
+ log.error("BitcoinCore v0.18.0 must be used to broadcast through Tor")
return False
-
- node_addrs = [addr for addr in node_addrs if addr["services"] & NODE_WITNESS]
+ node_addrs = [a for a in node_addrs if a["services"] & NODE_WITNESS]
for i in range(len(node_addrs)):
remote_hostport = (node_addrs[i]["address"], node_addrs[i]["port"])
p2p_msg_handler = P2PBroadcastTx(txhex)
p2p = P2PProtocol(p2p_msg_handler, remote_hostport=remote_hostport,
- network=network, socks5_hostport=tor_hostport, heartbeat_interval=20)
+ network=network, socks5_hostport=tor_hostport,
+ heartbeat_interval=20)
try:
p2p.run()
except IOError: