diff options
| -rwxr-xr-x | test/functional/node_network_limited.py | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/test/functional/node_network_limited.py b/test/functional/node_network_limited.py index 9313e3d35c..70415e0168 100755 --- a/test/functional/node_network_limited.py +++ b/test/functional/node_network_limited.py @@ -2,6 +2,12 @@ # Copyright (c) 2017 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. +"""Tests NODE_NETWORK_LIMITED. + +Tests that a node configured with -prune=550 signals NODE_NETWORK_LIMITED correctly +and that it responds to getdata requests for blocks correctly: + - send a block within 288 + 2 of the tip + - disconnect peers who request blocks older than that.""" from test_framework.messages import CInv, msg_getdata from test_framework.mininode import NODE_BLOOM, NODE_NETWORK_LIMITED, NODE_WITNESS, NetworkThread, P2PInterface from test_framework.test_framework import BitcoinTestFramework @@ -12,52 +18,40 @@ class P2PIgnoreInv(P2PInterface): # The node will send us invs for other blocks. Ignore them. pass + def send_getdata_for_block(self, blockhash): + getdata_request = msg_getdata() + getdata_request.inv.append(CInv(2, int(blockhash, 16))) + self.send_message(getdata_request) + class NodeNetworkLimitedTest(BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = True self.num_nodes = 1 self.extra_args = [['-prune=550']] - def get_signalled_service_flags(self): - node = self.nodes[0].add_p2p_connection(P2PIgnoreInv()) - NetworkThread().start() - node.wait_for_verack() - services = node.nServices - self.nodes[0].disconnect_p2ps() - node.wait_for_disconnect() - return services - - def try_get_block_via_getdata(self, blockhash, must_disconnect): + def run_test(self): node = self.nodes[0].add_p2p_connection(P2PIgnoreInv()) NetworkThread().start() node.wait_for_verack() - getdata_request = msg_getdata() - getdata_request.inv.append(CInv(2, int(blockhash, 16))) - node.send_message(getdata_request) - if (must_disconnect): - # Ensure we get disconnected - node.wait_for_disconnect(5) - else: - # check if the peer sends us the requested block - node.wait_for_block(int(blockhash, 16), 3) - self.nodes[0].disconnect_p2ps() - node.wait_for_disconnect() + expected_services = NODE_BLOOM | NODE_WITNESS | NODE_NETWORK_LIMITED - def run_test(self): - # NODE_BLOOM & NODE_WITNESS & NODE_NETWORK_LIMITED must now be signaled - assert_equal(self.get_signalled_service_flags(), NODE_BLOOM | NODE_WITNESS | NODE_NETWORK_LIMITED) + self.log.info("Check that node has signalled expected services.") + assert_equal(node.nServices, expected_services) - # Test the RPC service flags - assert_equal(int(self.nodes[0].getnetworkinfo()['localservices'], 16), NODE_BLOOM | NODE_WITNESS | NODE_NETWORK_LIMITED) + self.log.info("Check that the localservices is as expected.") + assert_equal(int(self.nodes[0].getnetworkinfo()['localservices'], 16), expected_services) - # Now mine some blocks over the NODE_NETWORK_LIMITED + 2(racy buffer ext.) target + self.log.info("Mine enough blocks to reach the NODE_NETWORK_LIMITED range.") blocks = self.nodes[0].generate(292) - # Make sure we can max retrive block at tip-288 - # requesting block at height 2 (tip-289) must fail (ignored) - self.try_get_block_via_getdata(blocks[1], False) # last block in valid range - self.try_get_block_via_getdata(blocks[0], True) # first block outside of the 288+2 limit + self.log.info("Make sure we can max retrive block at tip-288.") + node.send_getdata_for_block(blocks[1]) # last block in valid range + node.wait_for_block(int(blocks[1], 16), timeout=3) + + self.log.info("Requesting block at height 2 (tip-289) must fail (ignored).") + node.send_getdata_for_block(blocks[0]) # first block outside of the 288+2 limit + node.wait_for_disconnect(5) if __name__ == '__main__': NodeNetworkLimitedTest().main() |