diff options
| -rw-r--r-- | src/net_processing.cpp | 5 | ||||
| -rwxr-xr-x | test/functional/p2p_ibd_txrelay.py | 52 | ||||
| -rwxr-xr-x | test/functional/test_framework/p2p.py | 2 |
3 files changed, 57 insertions, 2 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp index a896bb76ae..3f755eb178 100644 --- a/src/net_processing.cpp +++ b/src/net_processing.cpp @@ -3206,6 +3206,11 @@ void PeerManagerImpl::ProcessMessage(CNode& pfrom, const std::string& msg_type, return; } + // Stop processing the transaction early if we are still in IBD since we don't + // have enough information to validate it yet. Sending unsolicited transactions + // is not considered a protocol violation, so don't punish the peer. + if (m_chainman.ActiveChainstate().IsInitialBlockDownload()) return; + CTransactionRef ptx; vRecv >> ptx; const CTransaction& tx = *ptx; diff --git a/test/functional/p2p_ibd_txrelay.py b/test/functional/p2p_ibd_txrelay.py index 9044ed5cdb..65a94ad31c 100755 --- a/test/functional/p2p_ibd_txrelay.py +++ b/test/functional/p2p_ibd_txrelay.py @@ -2,11 +2,30 @@ # Copyright (c) 2020-2021 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. -"""Test fee filters during and after IBD.""" +"""Test transaction relay behavior during IBD: +- Set fee filters to MAX_MONEY +- Don't request transactions +- Ignore all transaction messages +""" from decimal import Decimal +import time -from test_framework.messages import COIN +from test_framework.messages import ( + CInv, + COIN, + CTransaction, + from_hex, + msg_inv, + msg_tx, + MSG_WTX, +) +from test_framework.p2p import ( + NONPREF_PEER_TX_DELAY, + P2PDataStore, + P2PInterface, + p2p_lock +) from test_framework.test_framework import BitcoinTestFramework MAX_FEE_FILTER = Decimal(9170997) / COIN @@ -28,6 +47,31 @@ class P2PIBDTxRelayTest(BitcoinTestFramework): assert node.getblockchaininfo()['initialblockdownload'] self.wait_until(lambda: all(peer['minfeefilter'] == MAX_FEE_FILTER for peer in node.getpeerinfo())) + self.log.info("Check that nodes don't send getdatas for transactions while still in IBD") + peer_inver = self.nodes[0].add_p2p_connection(P2PDataStore()) + txid = 0xdeadbeef + peer_inver.send_and_ping(msg_inv([CInv(t=MSG_WTX, h=txid)])) + # The node should not send a getdata, but if it did, it would first delay 2 seconds + self.nodes[0].setmocktime(int(time.time() + NONPREF_PEER_TX_DELAY)) + peer_inver.sync_send_with_ping() + with p2p_lock: + assert txid not in peer_inver.getdata_requests + self.nodes[0].disconnect_p2ps() + + self.log.info("Check that nodes don't process unsolicited transactions while still in IBD") + # A transaction hex pulled from tx_valid.json. There are no valid transactions since no UTXOs + # exist yet, but it should be a well-formed transaction. + rawhex = "0100000001b14bdcbc3e01bdaad36cc08e81e69c82e1060bc14e518db2b49aa43ad90ba260000000004a01ff473" + \ + "04402203f16c6f40162ab686621ef3000b04e75418a0c0cb2d8aebeac894ae360ac1e780220ddc15ecdfc3507ac48e168" + \ + "1a33eb60996631bf6bf5bc0a0682c4db743ce7ca2b01ffffffff0140420f00000000001976a914660d4ef3a743e3e696a" + \ + "d990364e555c271ad504b88ac00000000" + assert self.nodes[1].decoderawtransaction(rawhex) # returns a dict, should not throw + tx = from_hex(CTransaction(), rawhex) + peer_txer = self.nodes[0].add_p2p_connection(P2PInterface()) + with self.nodes[0].assert_debug_log(expected_msgs=["received: tx"], unexpected_msgs=["was not accepted"]): + peer_txer.send_and_ping(msg_tx(tx)) + self.nodes[0].disconnect_p2ps() + # Come out of IBD by generating a block self.generate(self.nodes[0], 1) @@ -36,6 +80,10 @@ class P2PIBDTxRelayTest(BitcoinTestFramework): assert not node.getblockchaininfo()['initialblockdownload'] self.wait_until(lambda: all(peer['minfeefilter'] == NORMAL_FEE_FILTER for peer in node.getpeerinfo())) + self.log.info("Check that nodes process the same transaction, even when unsolicited, when no longer in IBD") + peer_txer = self.nodes[0].add_p2p_connection(P2PInterface()) + with self.nodes[0].assert_debug_log(expected_msgs=["was not accepted"]): + peer_txer.send_and_ping(msg_tx(tx)) if __name__ == '__main__': P2PIBDTxRelayTest().main() diff --git a/test/functional/test_framework/p2p.py b/test/functional/test_framework/p2p.py index c99868de72..251d3d5eae 100755 --- a/test/functional/test_framework/p2p.py +++ b/test/functional/test_framework/p2p.py @@ -89,6 +89,8 @@ P2P_SERVICES = NODE_NETWORK | NODE_WITNESS P2P_SUBVERSION = "/python-p2p-tester:0.0.3/" # Value for relay that this test framework sends in its `version` message P2P_VERSION_RELAY = 1 +# Delay after receiving a tx inv before requesting transactions from non-preferred peers, in seconds +NONPREF_PEER_TX_DELAY = 2 MESSAGEMAP = { b"addr": msg_addr, |