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#!/usr/bin/env python3
# Copyright (c) 2017-2019 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test RPC calls related to net.
Tests correspond to code in rpc/net.cpp.
"""
from decimal import Decimal
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
assert_greater_than_or_equal,
assert_greater_than,
assert_raises_rpc_error,
connect_nodes,
p2p_port,
wait_until,
)
from test_framework.mininode import P2PInterface
import test_framework.messages
from test_framework.messages import (
CAddress,
msg_addr,
NODE_NETWORK,
NODE_WITNESS,
)
def assert_net_servicesnames(servicesflag, servicenames):
"""Utility that checks if all flags are correctly decoded in
`getpeerinfo` and `getnetworkinfo`.
:param servicesflag: The services as an integer.
:param servicenames: The list of decoded services names, as strings.
"""
servicesflag_generated = 0
for servicename in servicenames:
servicesflag_generated |= getattr(test_framework.messages, 'NODE_' + servicename)
assert servicesflag_generated == servicesflag
class NetTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 2
self.extra_args = [["-minrelaytxfee=0.00001000"],["-minrelaytxfee=0.00000500"]]
self.supports_cli = False
def run_test(self):
self.log.info('Connect nodes both way')
connect_nodes(self.nodes[0], 1)
connect_nodes(self.nodes[1], 0)
self._test_connection_count()
self._test_getnettotals()
self._test_getnetworkinfo()
self._test_getaddednodeinfo()
self._test_getpeerinfo()
self._test_getnodeaddresses()
def _test_connection_count(self):
# connect_nodes connects each node to the other
assert_equal(self.nodes[0].getconnectioncount(), 2)
def _test_getnettotals(self):
# getnettotals totalbytesrecv and totalbytessent should be
# consistent with getpeerinfo. Since the RPC calls are not atomic,
# and messages might have been recvd or sent between RPC calls, call
# getnettotals before and after and verify that the returned values
# from getpeerinfo are bounded by those values.
net_totals_before = self.nodes[0].getnettotals()
peer_info = self.nodes[0].getpeerinfo()
net_totals_after = self.nodes[0].getnettotals()
assert_equal(len(peer_info), 2)
peers_recv = sum([peer['bytesrecv'] for peer in peer_info])
peers_sent = sum([peer['bytessent'] for peer in peer_info])
assert_greater_than_or_equal(peers_recv, net_totals_before['totalbytesrecv'])
assert_greater_than_or_equal(net_totals_after['totalbytesrecv'], peers_recv)
assert_greater_than_or_equal(peers_sent, net_totals_before['totalbytessent'])
assert_greater_than_or_equal(net_totals_after['totalbytessent'], peers_sent)
# test getnettotals and getpeerinfo by doing a ping
# the bytes sent/received should change
# note ping and pong are 32 bytes each
self.nodes[0].ping()
wait_until(lambda: (self.nodes[0].getnettotals()['totalbytessent'] >= net_totals_after['totalbytessent'] + 32 * 2), timeout=1)
wait_until(lambda: (self.nodes[0].getnettotals()['totalbytesrecv'] >= net_totals_after['totalbytesrecv'] + 32 * 2), timeout=1)
peer_info_after_ping = self.nodes[0].getpeerinfo()
for before, after in zip(peer_info, peer_info_after_ping):
assert_greater_than_or_equal(after['bytesrecv_per_msg'].get('pong', 0), before['bytesrecv_per_msg'].get('pong', 0) + 32)
assert_greater_than_or_equal(after['bytessent_per_msg'].get('ping', 0), before['bytessent_per_msg'].get('ping', 0) + 32)
def _test_getnetworkinfo(self):
assert_equal(self.nodes[0].getnetworkinfo()['networkactive'], True)
assert_equal(self.nodes[0].getnetworkinfo()['connections'], 2)
self.nodes[0].setnetworkactive(state=False)
assert_equal(self.nodes[0].getnetworkinfo()['networkactive'], False)
# Wait a bit for all sockets to close
wait_until(lambda: self.nodes[0].getnetworkinfo()['connections'] == 0, timeout=3)
self.nodes[0].setnetworkactive(state=True)
self.log.info('Connect nodes both way')
connect_nodes(self.nodes[0], 1)
connect_nodes(self.nodes[1], 0)
assert_equal(self.nodes[0].getnetworkinfo()['networkactive'], True)
assert_equal(self.nodes[0].getnetworkinfo()['connections'], 2)
# check the `servicesnames` field
network_info = [node.getnetworkinfo() for node in self.nodes]
for info in network_info:
assert_net_servicesnames(int(info["localservices"], 0x10), info["localservicesnames"])
def _test_getaddednodeinfo(self):
assert_equal(self.nodes[0].getaddednodeinfo(), [])
# add a node (node2) to node0
ip_port = "127.0.0.1:{}".format(p2p_port(2))
self.nodes[0].addnode(node=ip_port, command='add')
# check that the node has indeed been added
added_nodes = self.nodes[0].getaddednodeinfo(ip_port)
assert_equal(len(added_nodes), 1)
assert_equal(added_nodes[0]['addednode'], ip_port)
# check that a non-existent node returns an error
assert_raises_rpc_error(-24, "Node has not been added", self.nodes[0].getaddednodeinfo, '1.1.1.1')
def _test_getpeerinfo(self):
peer_info = [x.getpeerinfo() for x in self.nodes]
# check both sides of bidirectional connection between nodes
# the address bound to on one side will be the source address for the other node
assert_equal(peer_info[0][0]['addrbind'], peer_info[1][0]['addr'])
assert_equal(peer_info[1][0]['addrbind'], peer_info[0][0]['addr'])
assert_equal(peer_info[0][0]['minfeefilter'], Decimal("0.00000500"))
assert_equal(peer_info[1][0]['minfeefilter'], Decimal("0.00001000"))
# check the `servicesnames` field
for info in peer_info:
assert_net_servicesnames(int(info[0]["services"], 0x10), info[0]["servicesnames"])
def _test_getnodeaddresses(self):
self.nodes[0].add_p2p_connection(P2PInterface())
# send some addresses to the node via the p2p message addr
msg = msg_addr()
imported_addrs = []
for i in range(256):
a = "123.123.123.{}".format(i)
imported_addrs.append(a)
addr = CAddress()
addr.time = 100000000
addr.nServices = NODE_NETWORK | NODE_WITNESS
addr.ip = a
addr.port = 8333
msg.addrs.append(addr)
self.nodes[0].p2p.send_and_ping(msg)
# obtain addresses via rpc call and check they were ones sent in before
REQUEST_COUNT = 10
node_addresses = self.nodes[0].getnodeaddresses(REQUEST_COUNT)
assert_equal(len(node_addresses), REQUEST_COUNT)
for a in node_addresses:
assert_greater_than(a["time"], 1527811200) # 1st June 2018
assert_equal(a["services"], NODE_NETWORK | NODE_WITNESS)
assert a["address"] in imported_addrs
assert_equal(a["port"], 8333)
assert_raises_rpc_error(-8, "Address count out of range", self.nodes[0].getnodeaddresses, -1)
# addrman's size cannot be known reliably after insertion, as hash collisions may occur
# so only test that requesting a large number of addresses returns less than that
LARGE_REQUEST_COUNT = 10000
node_addresses = self.nodes[0].getnodeaddresses(LARGE_REQUEST_COUNT)
assert_greater_than(LARGE_REQUEST_COUNT, len(node_addresses))
if __name__ == '__main__':
NetTest().main()
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