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-rwxr-xr-xtest/functional/p2p_addr_relay.py80
1 files changed, 80 insertions, 0 deletions
diff --git a/test/functional/p2p_addr_relay.py b/test/functional/p2p_addr_relay.py
index cd668dc315..b53231b6df 100755
--- a/test/functional/p2p_addr_relay.py
+++ b/test/functional/p2p_addr_relay.py
@@ -17,7 +17,10 @@ from test_framework.p2p import P2PInterface
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
+ assert_greater_than_or_equal,
)
+import os
+import random
import time
@@ -60,6 +63,7 @@ class AddrTest(BitcoinTestFramework):
self.relay_tests()
self.getaddr_tests()
self.blocksonly_mode_tests()
+ self.rate_limit_tests()
def setup_addr_msg(self, num):
addrs = []
@@ -76,6 +80,19 @@ class AddrTest(BitcoinTestFramework):
msg.addrs = addrs
return msg
+ def setup_rand_addr_msg(self, num):
+ addrs = []
+ for i in range(num):
+ addr = CAddress()
+ addr.time = self.mocktime + i
+ addr.nServices = NODE_NETWORK | NODE_WITNESS
+ addr.ip = f"{random.randrange(128,169)}.{random.randrange(1,255)}.{random.randrange(1,255)}.{random.randrange(1,255)}"
+ addr.port = 8333
+ addrs.append(addr)
+ msg = msg_addr()
+ msg.addrs = addrs
+ return msg
+
def send_addr_msg(self, source, msg, receivers):
source.send_and_ping(msg)
# pop m_next_addr_send timer
@@ -208,6 +225,69 @@ class AddrTest(BitcoinTestFramework):
self.nodes[0].disconnect_p2ps()
+ def rate_limit_tests(self):
+
+ for contype, tokens, no_relay in [("outbound-full-relay", 1001, False), ("block-relay-only", 0, True), ("inbound", 1, False)]:
+ self.log.info(f'Test rate limiting of addr processing for {contype} peers')
+ self.stop_node(0)
+ os.remove(os.path.join(self.nodes[0].datadir, "regtest", "peers.dat"))
+ self.start_node(0, [])
+ self.mocktime = int(time.time())
+ self.nodes[0].setmocktime(self.mocktime)
+ if contype == "inbound":
+ peer = self.nodes[0].add_p2p_connection(AddrReceiver())
+ else:
+ peer = self.nodes[0].add_outbound_p2p_connection(AddrReceiver(), p2p_idx=0, connection_type=contype)
+
+ # Check that we start off with empty addrman
+ addr_count_0 = len(self.nodes[0].getnodeaddresses(0))
+ assert_equal(addr_count_0, 0)
+
+ # Send 600 addresses. For all but the block-relay-only peer this should result in at least 1 address.
+ peer.send_and_ping(self.setup_rand_addr_msg(600))
+ addr_count_1 = len(self.nodes[0].getnodeaddresses(0))
+ assert_greater_than_or_equal(tokens, addr_count_1)
+ assert_greater_than_or_equal(addr_count_0 + 600, addr_count_1)
+ assert_equal(addr_count_1 > addr_count_0, tokens > 0)
+
+ # Send 600 more addresses. For the outbound-full-relay peer (which we send a GETADDR, and thus will
+ # process up to 1001 incoming addresses), this means more entries will appear.
+ peer.send_and_ping(self.setup_rand_addr_msg(600))
+ addr_count_2 = len(self.nodes[0].getnodeaddresses(0))
+ assert_greater_than_or_equal(tokens, addr_count_2)
+ assert_greater_than_or_equal(addr_count_1 + 600, addr_count_2)
+ assert_equal(addr_count_2 > addr_count_1, tokens > 600)
+
+ # Send 10 more. As we reached the processing limit for all nodes, this should have no effect.
+ peer.send_and_ping(self.setup_rand_addr_msg(10))
+ addr_count_3 = len(self.nodes[0].getnodeaddresses(0))
+ assert_greater_than_or_equal(tokens, addr_count_3)
+ assert_equal(addr_count_2, addr_count_3)
+
+ # Advance the time by 100 seconds, permitting the processing of 10 more addresses. Send 200,
+ # but verify that no more than 10 are processed.
+ self.mocktime += 100
+ self.nodes[0].setmocktime(self.mocktime)
+ new_tokens = 0 if no_relay else 10
+ tokens += new_tokens
+ peer.send_and_ping(self.setup_rand_addr_msg(200))
+ addr_count_4 = len(self.nodes[0].getnodeaddresses(0))
+ assert_greater_than_or_equal(tokens, addr_count_4)
+ assert_greater_than_or_equal(addr_count_3 + new_tokens, addr_count_4)
+
+ # Advance the time by 1000 seconds, permitting the processing of 100 more addresses. Send 200,
+ # but verify that no more than 100 are processed (and at least some).
+ self.mocktime += 1000
+ self.nodes[0].setmocktime(self.mocktime)
+ new_tokens = 0 if no_relay else 100
+ tokens += new_tokens
+ peer.send_and_ping(self.setup_rand_addr_msg(200))
+ addr_count_5 = len(self.nodes[0].getnodeaddresses(0))
+ assert_greater_than_or_equal(tokens, addr_count_5)
+ assert_greater_than_or_equal(addr_count_4 + new_tokens, addr_count_5)
+ assert_equal(addr_count_5 > addr_count_4, not no_relay)
+
+ self.nodes[0].disconnect_p2ps()
if __name__ == '__main__':
AddrTest().main()