#!/usr/bin/env python3 # Copyright (c) 2017-2018 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 test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, assert_greater_than_or_equal, assert_raises_rpc_error, connect_nodes_bi, p2p_port, wait_until, ) class NetTest(BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = True self.num_nodes = 2 def run_test(self): self._test_connection_count() self._test_getnettotals() self._test_getnetworkinginfo() self._test_getaddednodeinfo() self._test_getpeerinfo() def _test_connection_count(self): # connect_nodes_bi 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']['pong'], before['bytesrecv_per_msg']['pong'] + 32) assert_greater_than_or_equal(after['bytessent_per_msg']['ping'], before['bytessent_per_msg']['ping'] + 32) def _test_getnetworkinginfo(self): assert_equal(self.nodes[0].getnetworkinfo()['networkactive'], True) assert_equal(self.nodes[0].getnetworkinfo()['connections'], 2) self.nodes[0].setnetworkactive(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(True) connect_nodes_bi(self.nodes, 0, 1) assert_equal(self.nodes[0].getnetworkinfo()['networkactive'], True) assert_equal(self.nodes[0].getnetworkinfo()['connections'], 2) 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(ip_port, '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']) if __name__ == '__main__': NetTest().main()