diff options
Diffstat (limited to 'test/functional/p2p_filter.py')
| -rwxr-xr-x | test/functional/p2p_filter.py | 191 |
1 files changed, 159 insertions, 32 deletions
diff --git a/test/functional/p2p_filter.py b/test/functional/p2p_filter.py index b73d5784aa..741da3be31 100755 --- a/test/functional/p2p_filter.py +++ b/test/functional/p2p_filter.py @@ -7,18 +7,24 @@ Test BIP 37 """ from test_framework.messages import ( + CInv, + MAX_BLOOM_FILTER_SIZE, + MAX_BLOOM_HASH_FUNCS, MSG_BLOCK, MSG_FILTERED_BLOCK, - msg_getdata, - msg_filterload, msg_filteradd, msg_filterclear, + msg_filterload, + msg_getdata, + msg_mempool, + msg_version, ) -from test_framework.mininode import P2PInterface +from test_framework.mininode import P2PInterface, mininode_lock +from test_framework.script import MAX_SCRIPT_ELEMENT_SIZE from test_framework.test_framework import BitcoinTestFramework -class FilterNode(P2PInterface): +class P2PBloomFilter(P2PInterface): # This is a P2SH watch-only wallet watch_script_pubkey = 'a914ffffffffffffffffffffffffffffffffffffffff87' # The initial filter (n=10, fp=0.000001) with just the above scriptPubKey added @@ -30,21 +36,47 @@ class FilterNode(P2PInterface): nFlags=1, ) + def __init__(self): + super().__init__() + self._tx_received = False + self._merkleblock_received = False + def on_inv(self, message): want = msg_getdata() for i in message.inv: # inv messages can only contain TX or BLOCK, so translate BLOCK to FILTERED_BLOCK if i.type == MSG_BLOCK: - i.type = MSG_FILTERED_BLOCK - want.inv.append(i) + want.inv.append(CInv(MSG_FILTERED_BLOCK, i.hash)) + else: + want.inv.append(i) if len(want.inv): self.send_message(want) def on_merkleblock(self, message): - self.merkleblock_received = True + self._merkleblock_received = True def on_tx(self, message): - self.tx_received = True + self._tx_received = True + + @property + def tx_received(self): + with mininode_lock: + return self._tx_received + + @tx_received.setter + def tx_received(self, value): + with mininode_lock: + self._tx_received = value + + @property + def merkleblock_received(self): + with mininode_lock: + return self._merkleblock_received + + @merkleblock_received.setter + def merkleblock_received(self, value): + with mininode_lock: + self._merkleblock_received = value class FilterTest(BitcoinTestFramework): @@ -59,48 +91,143 @@ class FilterTest(BitcoinTestFramework): def skip_test_if_missing_module(self): self.skip_if_no_wallet() - def run_test(self): - self.log.info('Add filtered P2P connection to the node') - filter_node = self.nodes[0].add_p2p_connection(FilterNode()) - filter_node.send_and_ping(filter_node.watch_filter_init) - filter_address = self.nodes[0].decodescript(filter_node.watch_script_pubkey)['addresses'][0] + def test_size_limits(self, filter_peer): + self.log.info('Check that too large filter is rejected') + with self.nodes[0].assert_debug_log(['Misbehaving']): + filter_peer.send_and_ping(msg_filterload(data=b'\xbb'*(MAX_BLOOM_FILTER_SIZE+1))) + + self.log.info('Check that max size filter is accepted') + with self.nodes[0].assert_debug_log([], unexpected_msgs=['Misbehaving']): + filter_peer.send_and_ping(msg_filterload(data=b'\xbb'*(MAX_BLOOM_FILTER_SIZE))) + filter_peer.send_and_ping(msg_filterclear()) + + self.log.info('Check that filter with too many hash functions is rejected') + with self.nodes[0].assert_debug_log(['Misbehaving']): + filter_peer.send_and_ping(msg_filterload(data=b'\xaa', nHashFuncs=MAX_BLOOM_HASH_FUNCS+1)) + + self.log.info('Check that filter with max hash functions is accepted') + with self.nodes[0].assert_debug_log([], unexpected_msgs=['Misbehaving']): + filter_peer.send_and_ping(msg_filterload(data=b'\xaa', nHashFuncs=MAX_BLOOM_HASH_FUNCS)) + # Don't send filterclear until next two filteradd checks are done + + self.log.info('Check that max size data element to add to the filter is accepted') + with self.nodes[0].assert_debug_log([], unexpected_msgs=['Misbehaving']): + filter_peer.send_and_ping(msg_filteradd(data=b'\xcc'*(MAX_SCRIPT_ELEMENT_SIZE))) + + self.log.info('Check that too large data element to add to the filter is rejected') + with self.nodes[0].assert_debug_log(['Misbehaving']): + filter_peer.send_and_ping(msg_filteradd(data=b'\xcc'*(MAX_SCRIPT_ELEMENT_SIZE+1))) + + filter_peer.send_and_ping(msg_filterclear()) + + def test_msg_mempool(self): + self.log.info("Check that a node with bloom filters enabled services p2p mempool messages") + filter_peer = P2PBloomFilter() + + self.log.debug("Create a tx relevant to the peer before connecting") + filter_address = self.nodes[0].decodescript(filter_peer.watch_script_pubkey)['addresses'][0] + txid = self.nodes[0].sendtoaddress(filter_address, 90) + + self.log.debug("Send a mempool msg after connecting and check that the tx is received") + self.nodes[0].add_p2p_connection(filter_peer) + filter_peer.send_and_ping(filter_peer.watch_filter_init) + self.nodes[0].p2p.send_message(msg_mempool()) + filter_peer.wait_for_tx(txid) + + def test_frelay_false(self, filter_peer): + self.log.info("Check that a node with fRelay set to false does not receive invs until the filter is set") + filter_peer.tx_received = False + filter_address = self.nodes[0].decodescript(filter_peer.watch_script_pubkey)['addresses'][0] + self.nodes[0].sendtoaddress(filter_address, 90) + # Sync to make sure the reason filter_peer doesn't receive the tx is not p2p delays + filter_peer.sync_with_ping() + assert not filter_peer.tx_received + + # Clear the mempool so that this transaction does not impact subsequent tests + self.nodes[0].generate(1) + + def test_filter(self, filter_peer): + # Set the bloomfilter using filterload + filter_peer.send_and_ping(filter_peer.watch_filter_init) + # If fRelay is not already True, sending filterload sets it to True + assert self.nodes[0].getpeerinfo()[0]['relaytxes'] + filter_address = self.nodes[0].decodescript(filter_peer.watch_script_pubkey)['addresses'][0] self.log.info('Check that we receive merkleblock and tx if the filter matches a tx in a block') block_hash = self.nodes[0].generatetoaddress(1, filter_address)[0] txid = self.nodes[0].getblock(block_hash)['tx'][0] - filter_node.wait_for_merkleblock(block_hash) - filter_node.wait_for_tx(txid) + filter_peer.wait_for_merkleblock(block_hash) + filter_peer.wait_for_tx(txid) self.log.info('Check that we only receive a merkleblock if the filter does not match a tx in a block') - filter_node.tx_received = False + filter_peer.tx_received = False block_hash = self.nodes[0].generatetoaddress(1, self.nodes[0].getnewaddress())[0] - filter_node.wait_for_merkleblock(block_hash) - assert not filter_node.tx_received + filter_peer.wait_for_merkleblock(block_hash) + assert not filter_peer.tx_received self.log.info('Check that we not receive a tx if the filter does not match a mempool tx') - filter_node.merkleblock_received = False - filter_node.tx_received = False + filter_peer.merkleblock_received = False + filter_peer.tx_received = False self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 90) - filter_node.sync_with_ping() - filter_node.sync_with_ping() - assert not filter_node.merkleblock_received - assert not filter_node.tx_received + filter_peer.sync_with_ping() + filter_peer.sync_with_ping() + assert not filter_peer.merkleblock_received + assert not filter_peer.tx_received - self.log.info('Check that we receive a tx in reply to a mempool msg if the filter matches a mempool tx') - filter_node.merkleblock_received = False + self.log.info('Check that we receive a tx if the filter matches a mempool tx') + filter_peer.merkleblock_received = False txid = self.nodes[0].sendtoaddress(filter_address, 90) - filter_node.wait_for_tx(txid) - assert not filter_node.merkleblock_received + filter_peer.wait_for_tx(txid) + assert not filter_peer.merkleblock_received self.log.info('Check that after deleting filter all txs get relayed again') - filter_node.send_and_ping(msg_filterclear()) + filter_peer.send_and_ping(msg_filterclear()) for _ in range(5): txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 7) - filter_node.wait_for_tx(txid) + filter_peer.wait_for_tx(txid) + + self.log.info('Check that request for filtered blocks is ignored if no filter is set') + filter_peer.merkleblock_received = False + filter_peer.tx_received = False + with self.nodes[0].assert_debug_log(expected_msgs=['received getdata']): + block_hash = self.nodes[0].generatetoaddress(1, self.nodes[0].getnewaddress())[0] + filter_peer.wait_for_inv([CInv(MSG_BLOCK, int(block_hash, 16))]) + filter_peer.sync_with_ping() + assert not filter_peer.merkleblock_received + assert not filter_peer.tx_received + + self.log.info('Check that sending "filteradd" if no filter is set is treated as misbehavior') + with self.nodes[0].assert_debug_log(['Misbehaving']): + filter_peer.send_and_ping(msg_filteradd(data=b'letsmisbehave')) self.log.info("Check that division-by-zero remote crash bug [CVE-2013-5700] is fixed") - filter_node.send_and_ping(msg_filterload(data=b'', nHashFuncs=1)) - filter_node.send_and_ping(msg_filteradd(data=b'letstrytocrashthisnode')) + filter_peer.send_and_ping(msg_filterload(data=b'', nHashFuncs=1)) + filter_peer.send_and_ping(msg_filteradd(data=b'letstrytocrashthisnode')) + self.nodes[0].disconnect_p2ps() + + def run_test(self): + filter_peer = self.nodes[0].add_p2p_connection(P2PBloomFilter()) + self.log.info('Test filter size limits') + self.test_size_limits(filter_peer) + + self.log.info('Test BIP 37 for a node with fRelay = True (default)') + self.test_filter(filter_peer) + self.nodes[0].disconnect_p2ps() + + self.log.info('Test BIP 37 for a node with fRelay = False') + # Add peer but do not send version yet + filter_peer_without_nrelay = self.nodes[0].add_p2p_connection(P2PBloomFilter(), send_version=False, wait_for_verack=False) + # Send version with fRelay=False + filter_peer_without_nrelay.wait_until(lambda: filter_peer_without_nrelay.is_connected, timeout=10) + version_without_fRelay = msg_version() + version_without_fRelay.nRelay = 0 + filter_peer_without_nrelay.send_message(version_without_fRelay) + filter_peer_without_nrelay.wait_for_verack() + assert not self.nodes[0].getpeerinfo()[0]['relaytxes'] + self.test_frelay_false(filter_peer_without_nrelay) + self.test_filter(filter_peer_without_nrelay) + + self.test_msg_mempool() if __name__ == '__main__': |