Changeset View
Changeset View
Standalone View
Standalone View
test/functional/p2p_node_network_limited.py
| #!/usr/bin/env python3 | #!/usr/bin/env python3 | ||||
| # Copyright (c) 2017 The Bitcoin Core developers | # Copyright (c) 2017 The Bitcoin Core developers | ||||
| # Distributed under the MIT software license, see the accompanying | # Distributed under the MIT software license, see the accompanying | ||||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | # file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
| """Tests NODE_NETWORK_LIMITED. | """Tests NODE_NETWORK_LIMITED. | ||||
| Tests that a node configured with -prune=550 signals NODE_NETWORK_LIMITED correctly | Tests that a node configured with -prune=550 signals NODE_NETWORK_LIMITED correctly | ||||
| and that it responds to getdata requests for blocks correctly: | and that it responds to getdata requests for blocks correctly: | ||||
| - send a block within 288 + 2 of the tip | - send a block within 288 + 2 of the tip | ||||
| - disconnect peers who request blocks older than that.""" | - disconnect peers who request blocks older than that.""" | ||||
| from test_framework.messages import CInv, msg_getdata | from test_framework.messages import CInv, msg_getdata, msg_verack | ||||
| from test_framework.mininode import NODE_BLOOM, NODE_NETWORK_LIMITED, NODE_BITCOIN_CASH, network_thread_start, P2PInterface | from test_framework.mininode import NODE_BLOOM, NODE_NETWORK_LIMITED, NODE_BITCOIN_CASH, P2PInterface, wait_until, mininode_lock, network_thread_start, network_thread_join | ||||
| from test_framework.test_framework import BitcoinTestFramework | from test_framework.test_framework import BitcoinTestFramework | ||||
| from test_framework.util import assert_equal | from test_framework.util import assert_equal, disconnect_nodes, connect_nodes_bi, sync_blocks | ||||
| class P2PIgnoreInv(P2PInterface): | class P2PIgnoreInv(P2PInterface): | ||||
| firstAddrnServices = 0 | |||||
| def on_inv(self, message): | def on_inv(self, message): | ||||
| # The node will send us invs for other blocks. Ignore them. | # The node will send us invs for other blocks. Ignore them. | ||||
| pass | pass | ||||
| def on_addr(self, message): | |||||
| self.firstAddrnServices = message.addrs[0].nServices | |||||
| def wait_for_addr(self, timeout=5): | |||||
| def test_function(): return self.last_message.get("addr") | |||||
| wait_until(test_function, timeout=timeout, lock=mininode_lock) | |||||
| def send_getdata_for_block(self, blockhash): | def send_getdata_for_block(self, blockhash): | ||||
| getdata_request = msg_getdata() | getdata_request = msg_getdata() | ||||
| getdata_request.inv.append(CInv(2, int(blockhash, 16))) | getdata_request.inv.append(CInv(2, int(blockhash, 16))) | ||||
| self.send_message(getdata_request) | self.send_message(getdata_request) | ||||
| class NodeNetworkLimitedTest(BitcoinTestFramework): | class NodeNetworkLimitedTest(BitcoinTestFramework): | ||||
| def set_test_params(self): | def set_test_params(self): | ||||
| self.setup_clean_chain = True | self.setup_clean_chain = True | ||||
| self.num_nodes = 1 | self.num_nodes = 3 | ||||
| self.extra_args = [['-prune=550']] | self.extra_args = [['-prune=550', '-addrmantest'], [], []] | ||||
| def disconnect_all(self): | |||||
| disconnect_nodes(self.nodes[0], self.nodes[1]) | |||||
| disconnect_nodes(self.nodes[1], self.nodes[0]) | |||||
| disconnect_nodes(self.nodes[2], self.nodes[1]) | |||||
| disconnect_nodes(self.nodes[2], self.nodes[0]) | |||||
| disconnect_nodes(self.nodes[0], self.nodes[2]) | |||||
| disconnect_nodes(self.nodes[1], self.nodes[2]) | |||||
| def setup_network(self): | |||||
| super(NodeNetworkLimitedTest, self).setup_network() | |||||
| self.disconnect_all() | |||||
| def run_test(self): | def run_test(self): | ||||
| node = self.nodes[0].add_p2p_connection(P2PIgnoreInv()) | node = self.nodes[0].add_p2p_connection(P2PIgnoreInv()) | ||||
| network_thread_start() | network_thread_start() | ||||
| node.wait_for_verack() | node.wait_for_verack() | ||||
| expected_services = NODE_BLOOM | NODE_BITCOIN_CASH | NODE_NETWORK_LIMITED | expected_services = NODE_BLOOM | NODE_BITCOIN_CASH | NODE_NETWORK_LIMITED | ||||
| self.log.info("Check that node has signalled expected services.") | self.log.info("Check that node has signalled expected services.") | ||||
| assert_equal(node.nServices, expected_services) | assert_equal(node.nServices, expected_services) | ||||
| self.log.info("Check that the localservices is as expected.") | self.log.info("Check that the localservices is as expected.") | ||||
| assert_equal(int(self.nodes[0].getnetworkinfo()[ | assert_equal(int(self.nodes[0].getnetworkinfo()[ | ||||
| 'localservices'], 16), expected_services) | 'localservices'], 16), expected_services) | ||||
| self.log.info( | self.log.info( | ||||
| "Mine enough blocks to reach the NODE_NETWORK_LIMITED range.") | "Mine enough blocks to reach the NODE_NETWORK_LIMITED range.") | ||||
| blocks = self.nodes[0].generate(292) | connect_nodes_bi(self.nodes[0], self.nodes[1]) | ||||
| blocks = self.nodes[1].generate(292) | |||||
| sync_blocks([self.nodes[0], self.nodes[1]]) | |||||
| self.log.info("Make sure we can max retrive block at tip-288.") | self.log.info("Make sure we can max retrive block at tip-288.") | ||||
| # last block in valid range | # last block in valid range | ||||
| node.send_getdata_for_block(blocks[1]) | node.send_getdata_for_block(blocks[1]) | ||||
| node.wait_for_block(int(blocks[1], 16), timeout=3) | node.wait_for_block(int(blocks[1], 16), timeout=3) | ||||
| self.log.info( | self.log.info( | ||||
| "Requesting block at height 2 (tip-289) must fail (ignored).") | "Requesting block at height 2 (tip-289) must fail (ignored).") | ||||
| # first block outside of the 288+2 limit | # first block outside of the 288+2 limit | ||||
| node.send_getdata_for_block(blocks[0]) | node.send_getdata_for_block(blocks[0]) | ||||
| node.wait_for_disconnect(5) | node.wait_for_disconnect(5) | ||||
| self.log.info("Check local address relay, do a fresh connection.") | |||||
| self.nodes[0].disconnect_p2ps() | |||||
| network_thread_join() | |||||
| node1 = self.nodes[0].add_p2p_connection(P2PIgnoreInv()) | |||||
| network_thread_start() | |||||
| node1.wait_for_verack() | |||||
| node1.send_message(msg_verack()) | |||||
| node1.wait_for_addr() | |||||
| # must relay address with NODE_NETWORK_LIMITED | |||||
| assert_equal(node1.firstAddrnServices, expected_services) | |||||
| self.nodes[0].disconnect_p2ps() | |||||
| node1.wait_for_disconnect() | |||||
| # connect unsynced node 2 with pruned NODE_NETWORK_LIMITED peer | |||||
| # because node 2 is in IBD and node 0 is a NODE_NETWORK_LIMITED peer, sync must not be possible | |||||
| connect_nodes_bi(self.nodes[0], self.nodes[2]) | |||||
| try: | |||||
| sync_blocks([self.nodes[0], self.nodes[2]], timeout=5) | |||||
| except: | |||||
| pass | |||||
| # node2 must remain at heigh 0 | |||||
| assert_equal(self.nodes[2].getblockheader( | |||||
| self.nodes[2].getbestblockhash())['height'], 0) | |||||
| # now connect also to node 1 (non pruned) | |||||
| connect_nodes_bi(self.nodes[1], self.nodes[2]) | |||||
| # sync must be possible | |||||
| sync_blocks(self.nodes) | |||||
| # disconnect all peers | |||||
| self.disconnect_all() | |||||
| # mine 10 blocks on node 0 (pruned node) | |||||
| self.nodes[0].generate(10) | |||||
| # connect node1 (non pruned) with node0 (pruned) and check if the can sync | |||||
| connect_nodes_bi(self.nodes[0], self.nodes[1]) | |||||
| # sync must be possible, node 1 is no longer in IBD and should therefore connect to node 0 (NODE_NETWORK_LIMITED) | |||||
| sync_blocks([self.nodes[0], self.nodes[1]]) | |||||
| if __name__ == '__main__': | if __name__ == '__main__': | ||||
| NodeNetworkLimitedTest().main() | NodeNetworkLimitedTest().main() | ||||