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Merge #18530: Add test for -blocksonly and -whitelistforcerelay param interaction

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0ea5d70b47 Updated comment for the condition where a transaction relay is denied (glowang)
be01449cc8 Add test for param interaction b/w -blocksonly and -whitelistforcerelay (glowang)

Pull request description:

  Related to: #18428

  When -blocksonly is turned on, a node would still relay transactions from whitelisted peers. This funcitonality has not been tested.

ACKs for top commit:
  MarcoFalke:
    ACK 0ea5d70b47

Tree-SHA512: 4e99c88281cb518cc67f5f3be7171a7b413933047b5d24a04bb3ff2210a82e914d69079f64cd5bac9206ec435e21a622c8e69cedbc2ccb39d2328ac5c01668e5
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MarcoFalke 2020-05-21 08:58:57 -04:00
commit cfe22a5f9e
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2 changed files with 25 additions and 2 deletions
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4
src/net_processing.cpp
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@ -2675,8 +2675,8 @@ bool ProcessMessage(CNode* pfrom, const std::string& msg_type, CDataStream& vRec
if (msg_type == NetMsgType::TX) {
// Stop processing the transaction early if
// We are in blocks only mode and peer is either not whitelisted or whitelistrelay is off
// or if this peer is supposed to be a block-relay-only peer
// 1) We are in blocks only mode and peer has no relay permission
// 2) This peer is a block-relay-only peer
if ((!g_relay_txes && !pfrom->HasPermission(PF_RELAY)) || (pfrom->m_tx_relay == nullptr))
{
LogPrint(BCLog::NET, "transaction sent in violation of protocol peer=%d\n", pfrom->GetId());

23
test/functional/p2p_blocksonly.py
View file

@ -57,6 +57,29 @@ class P2PBlocksOnly(BitcoinTestFramework):
self.nodes[0].p2p.wait_for_tx(txid)
assert_equal(self.nodes[0].getmempoolinfo()['size'], 1)
self.log.info('Check that txs from whitelisted peers are not rejected and relayed to others')
self.log.info("Restarting node 0 with whitelist permission and blocksonly")
self.restart_node(0, ["-persistmempool=0", "-whitelist=127.0.0.1", "-whitelistforcerelay", "-blocksonly"])
assert_equal(self.nodes[0].getrawmempool(),[])
first_peer = self.nodes[0].add_p2p_connection(P2PInterface())
second_peer = self.nodes[0].add_p2p_connection(P2PInterface())
peer_1_info = self.nodes[0].getpeerinfo()[0]
assert_equal(peer_1_info['whitelisted'], True)
assert_equal(peer_1_info['permissions'], ['noban', 'forcerelay', 'relay', 'mempool'])
peer_2_info = self.nodes[0].getpeerinfo()[1]
assert_equal(peer_2_info['whitelisted'], True)
assert_equal(peer_2_info['permissions'], ['noban', 'forcerelay', 'relay', 'mempool'])
assert_equal(self.nodes[0].testmempoolaccept([sigtx])[0]['allowed'], True)
txid = self.nodes[0].testmempoolaccept([sigtx])[0]['txid']
self.log.info('Check that the tx from whitelisted first_peer is relayed to others (ie.second_peer)')
with self.nodes[0].assert_debug_log(["received getdata"]):
first_peer.send_message(msg_tx(FromHex(CTransaction(), sigtx)))
self.log.info('Check that the whitelisted peer is still connected after sending the transaction')
assert_equal(first_peer.is_connected, True)
second_peer.wait_for_tx(txid)
assert_equal(self.nodes[0].getmempoolinfo()['size'], 1)
self.log.info("Whitelisted peer's transaction is accepted and relayed")
if __name__ == '__main__':
P2PBlocksOnly().main()