1 #!/usr/bin/env python3
2 # Copyright (c) 2020-2021 The Limenka developers
3 # Distributed under the MIT software license, see the accompanying
4 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 """Test transaction relay behavior during IBD:
6 - Set fee filters to MAX_MONEY
7 - Don't request transactions
8 - Ignore all transaction messages
9 """
10 11 from decimal import Decimal
12 import time
13 14 from test_framework.messages import (
15 CInv,
16 COIN,
17 CTransaction,
18 from_hex,
19 msg_inv,
20 msg_tx,
21 MSG_WTX,
22 )
23 from test_framework.p2p import (
24 NONPREF_PEER_TX_DELAY,
25 P2PDataStore,
26 P2PInterface,
27 p2p_lock
28 )
29 from test_framework.test_framework import LimenkaTestFramework
30 31 MAX_FEE_FILTER = Decimal(9936506) / COIN
32 NORMAL_FEE_FILTER = Decimal(10) / COIN
33 34 35 class P2PIBDTxRelayTest(LimenkaTestFramework):
36 def set_test_params(self):
37 self.setup_clean_chain = True
38 self.num_nodes = 2
39 self.extra_args = [
40 ["-minrelaytxfee={:.8f}".format(NORMAL_FEE_FILTER)],
41 ["-minrelaytxfee={:.8f}".format(NORMAL_FEE_FILTER)],
42 ]
43 44 def run_test(self):
45 self.log.info("Check that nodes set minfilter to MAX_MONEY while still in IBD")
46 for node in self.nodes:
47 assert node.getblockchaininfo()['initialblockdownload']
48 self.wait_until(lambda: all(peer['minfeefilter'] == MAX_FEE_FILTER for peer in node.getpeerinfo()))
49 50 self.nodes[0].setmocktime(int(time.time()))
51 52 self.log.info("Check that nodes don't send getdatas for transactions while still in IBD")
53 peer_inver = self.nodes[0].add_p2p_connection(P2PDataStore())
54 txid = 0xdeadbeef
55 peer_inver.send_and_ping(msg_inv([CInv(t=MSG_WTX, h=txid)]))
56 # The node should not send a getdata, but if it did, it would first delay 2 seconds
57 self.nodes[0].bumpmocktime(NONPREF_PEER_TX_DELAY)
58 peer_inver.sync_with_ping()
59 with p2p_lock:
60 assert txid not in peer_inver.getdata_requests
61 self.nodes[0].disconnect_p2ps()
62 63 self.log.info("Check that nodes don't process unsolicited transactions while still in IBD")
64 # A transaction hex pulled from tx_valid.json. There are no valid transactions since no UTXOs
65 # exist yet, but it should be a well-formed transaction.
66 rawhex = "0100000001b14bdcbc3e01bdaad36cc08e81e69c82e1060bc14e518db2b49aa43ad90ba260000000004a01ff473" + \
67 "04402203f16c6f40162ab686621ef3000b04e75418a0c0cb2d8aebeac894ae360ac1e780220ddc15ecdfc3507ac48e168" + \
68 "1a33eb60996631bf6bf5bc0a0682c4db743ce7ca2b01ffffffff0140420f00000000001976a914660d4ef3a743e3e696a" + \
69 "d990364e555c271ad504b88ac00000000"
70 assert self.nodes[1].decoderawtransaction(rawhex) # returns a dict, should not throw
71 tx = from_hex(CTransaction(), rawhex)
72 peer_txer = self.nodes[0].add_p2p_connection(P2PInterface())
73 with self.nodes[0].assert_debug_log(expected_msgs=["received: tx"], unexpected_msgs=["was not accepted"]):
74 peer_txer.send_and_ping(msg_tx(tx))
75 self.nodes[0].disconnect_p2ps()
76 77 # Come out of IBD by generating a block
78 self.generate(self.nodes[0], 1)
79 80 self.log.info("Check that nodes reset minfilter after coming out of IBD")
81 for node in self.nodes:
82 assert not node.getblockchaininfo()['initialblockdownload']
83 self.wait_until(lambda: all(peer['minfeefilter'] == NORMAL_FEE_FILTER for peer in node.getpeerinfo()))
84 85 self.log.info("Check that nodes process the same transaction, even when unsolicited, when no longer in IBD")
86 peer_txer = self.nodes[0].add_p2p_connection(P2PInterface())
87 with self.nodes[0].assert_debug_log(expected_msgs=["was not accepted"]):
88 peer_txer.send_and_ping(msg_tx(tx))
89 90 if __name__ == '__main__':
91 P2PIBDTxRelayTest(__file__).main()
92