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286 lines
14 KiB
286 lines
14 KiB
#!/usr/bin/env python3
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# Copyright (c) 2017-2021 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test RPC calls related to net.
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Tests correspond to code in rpc/net.cpp.
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"""
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from decimal import Decimal
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from itertools import product
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import time
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from test_framework.blocktools import COINBASE_MATURITY
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import test_framework.messages
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from test_framework.p2p import (
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P2PInterface,
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P2P_SERVICES,
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)
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_approx,
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assert_equal,
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assert_greater_than,
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assert_raises_rpc_error,
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p2p_port,
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)
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from test_framework.wallet import MiniWallet
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def assert_net_servicesnames(servicesflag, servicenames):
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"""Utility that checks if all flags are correctly decoded in
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`getpeerinfo` and `getnetworkinfo`.
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:param servicesflag: The services as an integer.
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:param servicenames: The list of decoded services names, as strings.
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"""
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servicesflag_generated = 0
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for servicename in servicenames:
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servicesflag_generated |= getattr(test_framework.messages, 'NODE_' + servicename)
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assert servicesflag_generated == servicesflag
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class NetTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 2
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self.extra_args = [["-minrelaytxfee=0.00001000"], ["-minrelaytxfee=0.00000500"]]
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self.supports_cli = False
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def run_test(self):
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# We need miniwallet to make a transaction
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self.wallet = MiniWallet(self.nodes[0])
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self.generate(self.wallet, 1)
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# Get out of IBD for the minfeefilter and getpeerinfo tests.
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self.generate(self.nodes[0], COINBASE_MATURITY + 1)
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# By default, the test framework sets up an addnode connection from
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# node 1 --> node0. By connecting node0 --> node 1, we're left with
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# the two nodes being connected both ways.
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# Topology will look like: node0 <--> node1
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self.connect_nodes(0, 1)
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self.sync_all()
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self.test_connection_count()
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self.test_getpeerinfo()
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self.test_getnettotals()
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self.test_getnetworkinfo()
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self.test_getaddednodeinfo()
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self.test_service_flags()
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self.test_getnodeaddresses()
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self.test_addpeeraddress()
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def test_connection_count(self):
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self.log.info("Test getconnectioncount")
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# After using `connect_nodes` to connect nodes 0 and 1 to each other.
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assert_equal(self.nodes[0].getconnectioncount(), 2)
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def test_getpeerinfo(self):
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self.log.info("Test getpeerinfo")
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# Create a few getpeerinfo last_block/last_transaction values.
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self.wallet.send_self_transfer(from_node=self.nodes[0]) # Make a transaction so we can see it in the getpeerinfo results
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self.generate(self.nodes[1], 1)
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time_now = int(time.time())
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peer_info = [x.getpeerinfo() for x in self.nodes]
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# Verify last_block and last_transaction keys/values.
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for node, peer, field in product(range(self.num_nodes), range(2), ['last_block', 'last_transaction']):
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assert field in peer_info[node][peer].keys()
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if peer_info[node][peer][field] != 0:
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assert_approx(peer_info[node][peer][field], time_now, vspan=60)
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# check both sides of bidirectional connection between nodes
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# the address bound to on one side will be the source address for the other node
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assert_equal(peer_info[0][0]['addrbind'], peer_info[1][0]['addr'])
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assert_equal(peer_info[1][0]['addrbind'], peer_info[0][0]['addr'])
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assert_equal(peer_info[0][0]['minfeefilter'], Decimal("0.00000500"))
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assert_equal(peer_info[1][0]['minfeefilter'], Decimal("0.00001000"))
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# check the `servicesnames` field
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for info in peer_info:
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assert_net_servicesnames(int(info[0]["services"], 0x10), info[0]["servicesnames"])
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assert_equal(peer_info[0][0]['connection_type'], 'inbound')
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assert_equal(peer_info[0][1]['connection_type'], 'manual')
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assert_equal(peer_info[1][0]['connection_type'], 'manual')
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assert_equal(peer_info[1][1]['connection_type'], 'inbound')
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# Check dynamically generated networks list in getpeerinfo help output.
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assert "(ipv4, ipv6, onion, i2p, cjdns, not_publicly_routable)" in self.nodes[0].help("getpeerinfo")
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def test_getnettotals(self):
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self.log.info("Test getnettotals")
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# Test getnettotals and getpeerinfo by doing a ping. The bytes
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# sent/received should increase by at least the size of one ping (32
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# bytes) and one pong (32 bytes).
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net_totals_before = self.nodes[0].getnettotals()
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peer_info_before = self.nodes[0].getpeerinfo()
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self.nodes[0].ping()
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self.wait_until(lambda: (self.nodes[0].getnettotals()['totalbytessent'] >= net_totals_before['totalbytessent'] + 32 * 2), timeout=1)
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self.wait_until(lambda: (self.nodes[0].getnettotals()['totalbytesrecv'] >= net_totals_before['totalbytesrecv'] + 32 * 2), timeout=1)
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for peer_before in peer_info_before:
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peer_after = lambda: next(p for p in self.nodes[0].getpeerinfo() if p['id'] == peer_before['id'])
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self.wait_until(lambda: peer_after()['bytesrecv_per_msg'].get('pong', 0) >= peer_before['bytesrecv_per_msg'].get('pong', 0) + 32, timeout=1)
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self.wait_until(lambda: peer_after()['bytessent_per_msg'].get('ping', 0) >= peer_before['bytessent_per_msg'].get('ping', 0) + 32, timeout=1)
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def test_getnetworkinfo(self):
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self.log.info("Test getnetworkinfo")
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info = self.nodes[0].getnetworkinfo()
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assert_equal(info['networkactive'], True)
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assert_equal(info['connections'], 2)
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assert_equal(info['connections_in'], 1)
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assert_equal(info['connections_out'], 1)
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with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: false\n']):
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self.nodes[0].setnetworkactive(state=False)
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assert_equal(self.nodes[0].getnetworkinfo()['networkactive'], False)
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# Wait a bit for all sockets to close
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self.wait_until(lambda: self.nodes[0].getnetworkinfo()['connections'] == 0, timeout=3)
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with self.nodes[0].assert_debug_log(expected_msgs=['SetNetworkActive: true\n']):
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self.nodes[0].setnetworkactive(state=True)
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# Connect nodes both ways.
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self.connect_nodes(0, 1)
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self.connect_nodes(1, 0)
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info = self.nodes[0].getnetworkinfo()
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assert_equal(info['networkactive'], True)
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assert_equal(info['connections'], 2)
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assert_equal(info['connections_in'], 1)
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assert_equal(info['connections_out'], 1)
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# check the `servicesnames` field
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network_info = [node.getnetworkinfo() for node in self.nodes]
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for info in network_info:
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assert_net_servicesnames(int(info["localservices"], 0x10), info["localservicesnames"])
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# Check dynamically generated networks list in getnetworkinfo help output.
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assert "(ipv4, ipv6, onion, i2p, cjdns)" in self.nodes[0].help("getnetworkinfo")
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def test_getaddednodeinfo(self):
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self.log.info("Test getaddednodeinfo")
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assert_equal(self.nodes[0].getaddednodeinfo(), [])
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# add a node (node2) to node0
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ip_port = "127.0.0.1:{}".format(p2p_port(2))
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self.nodes[0].addnode(node=ip_port, command='add')
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# check that the node has indeed been added
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added_nodes = self.nodes[0].getaddednodeinfo(ip_port)
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assert_equal(len(added_nodes), 1)
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assert_equal(added_nodes[0]['addednode'], ip_port)
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# check that node cannot be added again
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assert_raises_rpc_error(-23, "Node already added", self.nodes[0].addnode, node=ip_port, command='add')
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# check that node can be removed
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self.nodes[0].addnode(node=ip_port, command='remove')
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assert_equal(self.nodes[0].getaddednodeinfo(), [])
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# check that trying to remove the node again returns an error
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assert_raises_rpc_error(-24, "Node could not be removed", self.nodes[0].addnode, node=ip_port, command='remove')
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# check that a non-existent node returns an error
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assert_raises_rpc_error(-24, "Node has not been added", self.nodes[0].getaddednodeinfo, '1.1.1.1')
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def test_service_flags(self):
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self.log.info("Test service flags")
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self.nodes[0].add_p2p_connection(P2PInterface(), services=(1 << 4) | (1 << 63))
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assert_equal(['UNKNOWN[2^4]', 'UNKNOWN[2^63]'], self.nodes[0].getpeerinfo()[-1]['servicesnames'])
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self.nodes[0].disconnect_p2ps()
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def test_getnodeaddresses(self):
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self.log.info("Test getnodeaddresses")
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self.nodes[0].add_p2p_connection(P2PInterface())
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# Add an IPv6 address to the address manager.
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ipv6_addr = "1233:3432:2434:2343:3234:2345:6546:4534"
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self.nodes[0].addpeeraddress(address=ipv6_addr, port=8333)
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# Add 10,000 IPv4 addresses to the address manager. Due to the way bucket
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# and bucket positions are calculated, some of these addresses will collide.
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imported_addrs = []
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for i in range(10000):
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first_octet = i >> 8
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second_octet = i % 256
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a = f"{first_octet}.{second_octet}.1.1"
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imported_addrs.append(a)
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self.nodes[0].addpeeraddress(a, 8333)
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# Fetch the addresses via the RPC and test the results.
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assert_equal(len(self.nodes[0].getnodeaddresses()), 1) # default count is 1
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assert_equal(len(self.nodes[0].getnodeaddresses(count=2)), 2)
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assert_equal(len(self.nodes[0].getnodeaddresses(network="ipv4", count=8)), 8)
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# Maximum possible addresses in AddrMan is 10000. The actual number will
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# usually be less due to bucket and bucket position collisions.
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node_addresses = self.nodes[0].getnodeaddresses(0, "ipv4")
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assert_greater_than(len(node_addresses), 5000)
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assert_greater_than(10000, len(node_addresses))
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for a in node_addresses:
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assert_greater_than(a["time"], 1527811200) # 1st June 2018
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assert_equal(a["services"], P2P_SERVICES)
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assert a["address"] in imported_addrs
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assert_equal(a["port"], 8333)
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assert_equal(a["network"], "ipv4")
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# Test the IPv6 address.
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res = self.nodes[0].getnodeaddresses(0, "ipv6")
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assert_equal(len(res), 1)
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assert_equal(res[0]["address"], ipv6_addr)
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assert_equal(res[0]["network"], "ipv6")
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assert_equal(res[0]["port"], 8333)
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assert_equal(res[0]["services"], P2P_SERVICES)
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# Test for the absence of onion, I2P and CJDNS addresses.
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for network in ["onion", "i2p", "cjdns"]:
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assert_equal(self.nodes[0].getnodeaddresses(0, network), [])
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# Test invalid arguments.
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assert_raises_rpc_error(-8, "Address count out of range", self.nodes[0].getnodeaddresses, -1)
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assert_raises_rpc_error(-8, "Network not recognized: Foo", self.nodes[0].getnodeaddresses, 1, "Foo")
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def test_addpeeraddress(self):
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"""RPC addpeeraddress sets the source address equal to the destination address.
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If an address with the same /16 as an existing new entry is passed, it will be
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placed in the same new bucket and have a 1/64 chance of the bucket positions
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colliding (depending on the value of nKey in the addrman), in which case the
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new address won't be added. The probability of collision can be reduced to
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1/2^16 = 1/65536 by using an address from a different /16. We avoid this here
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by first testing adding a tried table entry before testing adding a new table one.
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"""
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self.log.info("Test addpeeraddress")
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self.restart_node(1, ["-checkaddrman=1"])
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node = self.nodes[1]
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self.log.debug("Test that addpeerinfo is a hidden RPC")
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# It is hidden from general help, but its detailed help may be called directly.
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assert "addpeerinfo" not in node.help()
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assert "addpeerinfo" in node.help("addpeerinfo")
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self.log.debug("Test that adding an empty address fails")
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assert_equal(node.addpeeraddress(address="", port=8333), {"success": False})
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assert_equal(node.getnodeaddresses(count=0), [])
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self.log.debug("Test that adding an address with invalid port fails")
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assert_raises_rpc_error(-1, "JSON integer out of range", self.nodes[0].addpeeraddress, address="1.2.3.4", port=-1)
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assert_raises_rpc_error(-1, "JSON integer out of range", self.nodes[0].addpeeraddress,address="1.2.3.4", port=65536)
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self.log.debug("Test that adding a valid address to the tried table succeeds")
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assert_equal(node.addpeeraddress(address="1.2.3.4", tried=True, port=8333), {"success": True})
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with node.assert_debug_log(expected_msgs=["CheckAddrman: new 0, tried 1, total 1 started"]):
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addrs = node.getnodeaddresses(count=0) # getnodeaddresses re-runs the addrman checks
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assert_equal(len(addrs), 1)
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assert_equal(addrs[0]["address"], "1.2.3.4")
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assert_equal(addrs[0]["port"], 8333)
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self.log.debug("Test that adding an already-present tried address to the new and tried tables fails")
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for value in [True, False]:
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assert_equal(node.addpeeraddress(address="1.2.3.4", tried=value, port=8333), {"success": False})
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assert_equal(len(node.getnodeaddresses(count=0)), 1)
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self.log.debug("Test that adding a second address, this time to the new table, succeeds")
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assert_equal(node.addpeeraddress(address="2.0.0.0", port=8333), {"success": True})
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with node.assert_debug_log(expected_msgs=["CheckAddrman: new 1, tried 1, total 2 started"]):
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addrs = node.getnodeaddresses(count=0) # getnodeaddresses re-runs the addrman checks
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assert_equal(len(addrs), 2)
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if __name__ == '__main__':
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NetTest().main()
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