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82 lines
3.5 KiB
Python
Executable File
82 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2017 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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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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from test_framework.mininode import *
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class BaseNode(P2PInterface):
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nServices = 0
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firstAddrnServices = 0
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def on_version(self, message):
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self.nServices = message.nServices
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class NodeNetworkLimitedTest(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 = 1
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self.extra_args = [['-prune=550']]
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def getSignaledServiceFlags(self):
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node = self.nodes[0].add_p2p_connection(BaseNode())
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NetworkThread().start()
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node.wait_for_verack()
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services = node.nServices
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self.nodes[0].disconnect_p2ps()
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node.wait_for_disconnect()
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return services
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def tryGetBlockViaGetData(self, blockhash, must_disconnect):
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node = self.nodes[0].add_p2p_connection(BaseNode())
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NetworkThread().start()
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node.wait_for_verack()
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node.send_message(msg_verack())
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getdata_request = msg_getdata()
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getdata_request.inv.append(CInv(2, int(blockhash, 16)))
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node.send_message(getdata_request)
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if (must_disconnect):
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#ensure we get disconnected
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node.wait_for_disconnect(5)
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else:
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# check if the peer sends us the requested block
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node.wait_for_block(int(blockhash, 16), 3)
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self.nodes[0].disconnect_p2ps()
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node.wait_for_disconnect()
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def run_test(self):
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#NODE_BLOOM & NODE_WITNESS & NODE_NETWORK_LIMITED must now be signaled
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assert_equal(self.getSignaledServiceFlags(), 1036) #1036 == 0x40C == 0100 0000 1100
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# | ||
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# | |^--- NODE_BLOOM
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# | ^---- NODE_WITNESS
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# ^-- NODE_NETWORK_LIMITED
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#now mine some blocks over the NODE_NETWORK_LIMITED + 2(racy buffer ext.) target
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firstblock = self.nodes[0].generate(1)[0]
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blocks = self.nodes[0].generate(292)
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blockWithinLimitedRange = blocks[-1]
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#make sure we can max retrive block at tip-288
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#requesting block at height 2 (tip-289) must fail (ignored)
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self.tryGetBlockViaGetData(firstblock, True) #first block must lead to disconnect
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self.tryGetBlockViaGetData(blocks[1], False) #last block in valid range
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self.tryGetBlockViaGetData(blocks[0], True) #first block outside of the 288+2 limit
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#NODE_NETWORK_LIMITED must still be signaled after restart
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self.restart_node(0)
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assert_equal(self.getSignaledServiceFlags(), 1036)
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#test the RPC service flags
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assert_equal(self.nodes[0].getnetworkinfo()['localservices'], "000000000000040c")
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# getdata a block above the NODE_NETWORK_LIMITED threshold must be possible
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self.tryGetBlockViaGetData(blockWithinLimitedRange, False)
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# getdata a block below the NODE_NETWORK_LIMITED threshold must be ignored
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self.tryGetBlockViaGetData(firstblock, True)
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if __name__ == '__main__':
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NodeNetworkLimitedTest().main()
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