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merge bitcoin#18968: noban precludes maxuploadtarget disconnects

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Kittywhiskers Van Gogh 2020-05-21 10:41:19 -04:00 committed by PastaPastaPasta
parent 8806c7baeb
commit 91d800dce3
5 changed files with 11 additions and 10 deletions
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2
doc/reduce-traffic.md
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@ -23,7 +23,7 @@ longer serving historic blocks (blocks older than one week).
Keep in mind that new nodes require other nodes that are willing to serve
historic blocks.
Whitelisted peers will never be disconnected, although their traffic counts for
Peers with the `noban` permission will never be disconnected, although their traffic counts for
calculating the target.
## 2. Disable "listening" (`-listen=0`)

2
src/init.cpp
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@ -578,7 +578,7 @@ void SetupServerArgs(NodeContext& node)
argsman.AddArg("-maxreceivebuffer=<n>", strprintf("Maximum per-connection receive buffer, <n>*1000 bytes (default: %u)", DEFAULT_MAXRECEIVEBUFFER), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-maxsendbuffer=<n>", strprintf("Maximum per-connection send buffer, <n>*1000 bytes (default: %u)", DEFAULT_MAXSENDBUFFER), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-maxtimeadjustment", strprintf("Maximum allowed median peer time offset adjustment. Local perspective of time may be influenced by peers forward or backward by this amount. (default: %u seconds)", DEFAULT_MAX_TIME_ADJUSTMENT), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-maxuploadtarget=<n>", strprintf("Tries to keep outbound traffic under the given target (in MiB per 24h), 0 = no limit (default: %d)", DEFAULT_MAX_UPLOAD_TARGET), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-maxuploadtarget=<n>", strprintf("Tries to keep outbound traffic under the given target (in MiB per 24h). Limit does not apply to peers with 'noban' permission. 0 = no limit (default: %d)", DEFAULT_MAX_UPLOAD_TARGET), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-onion=<ip:port>", "Use separate SOCKS5 proxy to reach peers via Tor hidden services, set -noonion to disable (default: -proxy)", ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-onlynet=<net>", "Make outgoing connections only through network <net> (ipv4, ipv6 or onion). Incoming connections are not affected by this option. This option can be specified multiple times to allow multiple networks.", ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);
argsman.AddArg("-peerblockfilters", strprintf("Serve compact block filters to peers per BIP 157 (default: %u)", DEFAULT_PEERBLOCKFILTERS), ArgsManager::ALLOW_ANY, OptionsCategory::CONNECTION);

2
src/net.cpp
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@ -3686,7 +3686,7 @@ void CConnman::RecordBytesSent(uint64_t bytes)
nMaxOutboundTotalBytesSentInCycle = 0;
}
// TODO, exclude whitebind peers
// TODO, exclude peers with noban permission
nMaxOutboundTotalBytesSentInCycle += bytes;
}

8
src/net_processing.cpp
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@ -1892,9 +1892,11 @@ void static ProcessGetBlockData(CNode& pfrom, const CChainParams& chainparams, c
}
const CNetMsgMaker msgMaker(pfrom.GetSendVersion());
// disconnect node in case we have reached the outbound limit for serving historical blocks
// never disconnect whitelisted nodes
if (send && connman.OutboundTargetReached(true) && ( ((pindexBestHeader != nullptr) && (pindexBestHeader->GetBlockTime() - pindex->GetBlockTime() > HISTORICAL_BLOCK_AGE)) || inv.type == MSG_FILTERED_BLOCK) && !pfrom.HasPermission(PF_NOBAN))
{
if (send &&
connman.OutboundTargetReached(true) &&
(((pindexBestHeader != nullptr) && (pindexBestHeader->GetBlockTime() - pindex->GetBlockTime() > HISTORICAL_BLOCK_AGE)) || inv.type == MSG_FILTERED_BLOCK) &&
!pfrom.HasPermission(PF_NOBAN) // never disconnect nodes with the noban permission
) {
LogPrint(BCLog::NET, "historical block serving limit reached, disconnect peer=%d\n", pfrom.GetId());
//disconnect node

7
test/functional/feature_maxuploadtarget.py
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@ -144,8 +144,7 @@ class MaxUploadTest(BitcoinTestFramework):
self.nodes[0].disconnect_p2ps()
self.log.info("Restarting node 0 with noban permission and 1MB maxuploadtarget")
self.stop_node(0)
self.start_node(0, ["-whitelist=noban@127.0.0.1", "-maxuploadtarget=1", "-blockmaxsize=999000", "-maxtipage="+str(2*60*60*24*7), "-mocktime="+str(current_mocktime)])
self.restart_node(0, ["-whitelist=noban@127.0.0.1", "-maxuploadtarget=1", "-blockmaxsize=999000", "-maxtipage="+str(2*60*60*24*7), "-mocktime="+str(current_mocktime)])
# Reconnect to self.nodes[0]
self.nodes[0].add_p2p_connection(TestP2PConn())
@ -158,9 +157,9 @@ class MaxUploadTest(BitcoinTestFramework):
getdata_request.inv = [CInv(MSG_BLOCK, big_old_block)]
self.nodes[0].p2p.send_and_ping(getdata_request)
assert_equal(len(self.nodes[0].getpeerinfo()), 1) #node is still connected because of the whitelist
assert_equal(len(self.nodes[0].getpeerinfo()), 1) #node is still connected because of the noban permission
self.log.info("Peer still connected after trying to download old block (whitelisted)")
self.log.info("Peer still connected after trying to download old block (noban permission)")
if __name__ == '__main__':
MaxUploadTest().main()