#!/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 itertools import product import time from test_framework.p2p import P2PInterface import test_framework.messages from test_framework.messages import ( NODE_NETWORK, NODE_WITNESS, ) from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_approx, assert_equal, assert_greater_than, assert_raises_rpc_error, p2p_port, ) 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): # Get out of IBD for the minfeefilter and getpeerinfo tests. self.nodes[0].generate(101) # By default, the test framework sets up an addnode connection from # node 1 --> node0. By connecting node0 --> node 1, we're left with # the two nodes being connected both ways. # Topology will look like: node0 <--> node1 self.connect_nodes(0, 1) self.sync_all() self.test_connection_count() self.test_getpeerinfo() self.test_getnettotals() self.test_getnetworkinfo() self.test_getaddednodeinfo() self.test_service_flags() self.test_getnodeaddresses() def test_connection_count(self): self.log.info("Test getconnectioncount") # After using `connect_nodes` to connect nodes 0 and 1 to each other. assert_equal(self.nodes[0].getconnectioncount(), 2) def test_getpeerinfo(self): self.log.info("Test getpeerinfo") # Create a few getpeerinfo last_block/last_transaction values. if self.is_wallet_compiled(): self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 1) self.nodes[1].generate(1) self.sync_all() time_now = int(time.time()) peer_info = [x.getpeerinfo() for x in self.nodes] # Verify last_block and last_transaction keys/values. for node, peer, field in product(range(self.num_nodes), range(2), ['last_block', 'last_transaction']): assert field in peer_info[node][peer].keys() if peer_info[node][peer][field] != 0: assert_approx(peer_info[node][peer][field], time_now, vspan=60) # 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"]) assert_equal(peer_info[0][0]['connection_type'], 'inbound') assert_equal(peer_info[0][1]['connection_type'], 'manual') assert_equal(peer_info[1][0]['connection_type'], 'manual') assert_equal(peer_info[1][1]['connection_type'], 'inbound') def test_getnettotals(self): self.log.info("Test getnettotals") # Test getnettotals and getpeerinfo by doing a ping. The bytes # sent/received should increase by at least the size of one ping (32 # bytes) and one pong (32 bytes). net_totals_before = self.nodes[0].getnettotals() peer_info_before = self.nodes[0].getpeerinfo() self.nodes[0].ping() self.wait_until(lambda: (self.nodes[0].getnettotals()['totalbytessent'] >= net_totals_before['totalbytessent'] + 32 * 2), timeout=1) self.wait_until(lambda: (self.nodes[0].getnettotals()['totalbytesrecv'] >= net_totals_before['totalbytesrecv'] + 32 * 2), timeout=1) for peer_before in peer_info_before: peer_after = lambda: next(p for p in self.nodes[0].getpeerinfo() if p['id'] == peer_before['id']) self.wait_until(lambda: peer_after()['bytesrecv_per_msg'].get('pong', 0) >= peer_before['bytesrecv_per_msg'].get('pong', 0) + 32, timeout=1) self.wait_until(lambda: peer_after()['bytessent_per_msg'].get('ping', 0) >= peer_before['bytessent_per_msg'].get('ping', 0) + 32, timeout=1) def test_getnetworkinfo(self): self.log.info("Test getnetworkinfo") info = self.nodes[0].getnetworkinfo() assert_equal(info['networkactive'], True) assert_equal(info['connections'], 2) assert_equal(info['connections_in'], 1) assert_equal(info['connections_out'], 1) with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: false\n']): self.nodes[0].setnetworkactive(state=False) assert_equal(self.nodes[0].getnetworkinfo()['networkactive'], False) # Wait a bit for all sockets to close self.wait_until(lambda: self.nodes[0].getnetworkinfo()['connections'] == 0, timeout=3) with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: true\n']): self.nodes[0].setnetworkactive(state=True) # Connect nodes both ways. self.connect_nodes(0, 1) self.connect_nodes(1, 0) info = self.nodes[0].getnetworkinfo() assert_equal(info['networkactive'], True) assert_equal(info['connections'], 2) assert_equal(info['connections_in'], 1) assert_equal(info['connections_out'], 1) # 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): self.log.info("Test getaddednodeinfo") 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 node cannot be added again assert_raises_rpc_error(-23, "Node already added", self.nodes[0].addnode, node=ip_port, command='add') # check that node can be removed self.nodes[0].addnode(node=ip_port, command='remove') assert_equal(self.nodes[0].getaddednodeinfo(), []) # check that trying to remove the node again returns an error assert_raises_rpc_error(-24, "Node could not be removed", self.nodes[0].addnode, node=ip_port, command='remove') # 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_service_flags(self): self.log.info("Test service flags") self.nodes[0].add_p2p_connection(P2PInterface(), services=(1 << 4) | (1 << 63)) assert_equal(['UNKNOWN[2^4]', 'UNKNOWN[2^63]'], self.nodes[0].getpeerinfo()[-1]['servicesnames']) self.nodes[0].disconnect_p2ps() def test_getnodeaddresses(self): self.log.info("Test getnodeaddresses") self.nodes[0].add_p2p_connection(P2PInterface()) # Add some addresses to the Address Manager over RPC. Due to the way # bucket and bucket position are calculated, some of these addresses # will collide. imported_addrs = [] for i in range(10000): first_octet = i >> 8 second_octet = i % 256 a = "{}.{}.1.1".format(first_octet, second_octet) imported_addrs.append(a) self.nodes[0].addpeeraddress(a, 8333) # Obtain addresses via rpc call and check they were ones sent in before. # # Maximum possible addresses in addrman is 10000, although actual # number will usually be less due to bucket and bucket position # collisions. node_addresses = self.nodes[0].getnodeaddresses(0) assert_greater_than(len(node_addresses), 5000) assert_greater_than(10000, len(node_addresses)) 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) node_addresses = self.nodes[0].getnodeaddresses(1) assert_equal(len(node_addresses), 1) 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()