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Merge #9191: [qa] 0.13.2 Backports

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e846166 Modify getblocktxn handler not to drop requests for old blocks (Russell Yanofsky)
2cad5db Align constant names for maximum compact block / blocktxn depth (Pieter Wuille)
3d23a0e Add cmpctblock to debug help list (instagibbs)
76ba1c9 More agressively filter compact block requests (Matt Corallo)
36e3b95 Dont remove a "preferred" cmpctblock peer if they provide a block (Matt Corallo)
286e548 [qa] Fix stale data bug in test_compactblocks_not_at_tip (Russell Yanofsky)
2ba5d78 [qa] Fix bug in compactblocks v2 merge (Russell Yanofsky)
eca9b46 [qa] Wait for specific block announcement in p2p-compactblocks (Russell Yanofsky)
dccdc3a test: Fix use-after-free in scheduler tests (Wladimir J. van der Laan)
da4926b [qa] Add more helpful RPC timeout message (Russell Yanofsky)
1d4c884 [qa] Increase wallet-dump RPC timeout (Russell Yanofsky)
3107280 [qa] add assert_raises_message to check specific error message (mrbandrews)
This commit is contained in:
Wladimir J. van der Laan
2016-12-02 08:16:42 +01:00
parent b172377857 e8461666ec
commit 29435db6a4
9 changed files with 83 additions and 27 deletions
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2
src/init.cpp
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@@ -412,7 +412,7 @@ std::string HelpMessage(HelpMessageMode mode)
strUsage += HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT));
strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified bip9 deployment (regtest-only)");
}
string debugCategories = "addrman, alert, bench, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below
string debugCategories = "addrman, alert, bench, cmpctblock, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below
if (mode == HMM_BITCOIN_QT)
debugCategories += ", qt";
strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " +

32
src/main.cpp
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@@ -495,9 +495,13 @@ void MaybeSetPeerAsAnnouncingHeaderAndIDs(const CNodeState* nodestate, CNode* pf
return;
}
if (nodestate->fProvidesHeaderAndIDs) {
BOOST_FOREACH(const NodeId nodeid, lNodesAnnouncingHeaderAndIDs)
if (nodeid == pfrom->GetId())
for (std::list<NodeId>::iterator it = lNodesAnnouncingHeaderAndIDs.begin(); it != lNodesAnnouncingHeaderAndIDs.end(); it++) {
if (*it == pfrom->GetId()) {
lNodesAnnouncingHeaderAndIDs.erase(it);
lNodesAnnouncingHeaderAndIDs.push_back(pfrom->GetId());
return;
}
}
bool fAnnounceUsingCMPCTBLOCK = false;
uint64_t nCMPCTBLOCKVersion = (nLocalServices & NODE_WITNESS) ? 2 : 1;
if (lNodesAnnouncingHeaderAndIDs.size() >= 3) {
@@ -4851,7 +4855,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
// and we don't feel like constructing the object for them, so
// instead we respond with the full, non-compact block.
bool fPeerWantsWitness = State(pfrom->GetId())->fWantsCmpctWitness;
if (mi->second->nHeight >= chainActive.Height() - 10) {
if (CanDirectFetch(consensusParams) && mi->second->nHeight >= chainActive.Height() - MAX_CMPCTBLOCK_DEPTH) {
CBlockHeaderAndShortTxIDs cmpctblock(block, fPeerWantsWitness);
pfrom->PushMessageWithFlag(fPeerWantsWitness ? 0 : SERIALIZE_TRANSACTION_NO_WITNESS, NetMsgType::CMPCTBLOCK, cmpctblock);
} else
@@ -5397,8 +5401,20 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
return true;
}
if (it->second->nHeight < chainActive.Height() - 15) {
LogPrint("net", "Peer %d sent us a getblocktxn for a block > 15 deep", pfrom->id);
if (it->second->nHeight < chainActive.Height() - MAX_BLOCKTXN_DEPTH) {
// If an older block is requested (should never happen in practice,
// but can happen in tests) send a block response instead of a
// blocktxn response. Sending a full block response instead of a
// small blocktxn response is preferable in the case where a peer
// might maliciously send lots of getblocktxn requests to trigger
// expensive disk reads, because it will require the peer to
// actually receive all the data read from disk over the network.
LogPrint("net", "Peer %d sent us a getblocktxn for a block > %i deep", pfrom->id, MAX_BLOCKTXN_DEPTH);
CInv inv;
inv.type = State(pfrom->GetId())->fWantsCmpctWitness ? MSG_WITNESS_BLOCK : MSG_BLOCK;
inv.hash = req.blockhash;
pfrom->vRecvGetData.push_back(inv);
ProcessGetData(pfrom, chainparams.GetConsensus());
return true;
}
@@ -5727,6 +5743,12 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
return true;
}
if (!fAlreadyInFlight && mapBlocksInFlight.size() == 1 && pindex->pprev->IsValid(BLOCK_VALID_CHAIN)) {
// We seem to be rather well-synced, so it appears pfrom was the first to provide us
// with this block! Let's get them to announce using compact blocks in the future.
MaybeSetPeerAsAnnouncingHeaderAndIDs(nodestate, pfrom);
}
BlockTransactionsRequest req;
for (size_t i = 0; i < cmpctblock.BlockTxCount(); i++) {
if (!partialBlock.IsTxAvailable(i))

5
src/main.h
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@@ -89,6 +89,11 @@ static const unsigned int BLOCK_STALLING_TIMEOUT = 2;
/** Number of headers sent in one getheaders result. We rely on the assumption that if a peer sends
* less than this number, we reached its tip. Changing this value is a protocol upgrade. */
static const unsigned int MAX_HEADERS_RESULTS = 2000;
/** Maximum depth of blocks we're willing to serve as compact blocks to peers
* when requested. For older blocks, a regular BLOCK response will be sent. */
static const int MAX_CMPCTBLOCK_DEPTH = 5;
/** Maximum depth of blocks we're willing to respond to GETBLOCKTXN requests for. */
static const int MAX_BLOCKTXN_DEPTH = 10;
/** Size of the "block download window": how far ahead of our current height do we fetch?
* Larger windows tolerate larger download speed differences between peer, but increase the potential
* degree of disordering of blocks on disk (which make reindexing and in the future perhaps pruning

7
src/scheduler.cpp
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@@ -54,9 +54,10 @@ void CScheduler::serviceQueue()
#else
// Some boost versions have a conflicting overload of wait_until that returns void.
// Explicitly use a template here to avoid hitting that overload.
while (!shouldStop() && !taskQueue.empty() &&
newTaskScheduled.wait_until<>(lock, taskQueue.begin()->first) != boost::cv_status::timeout) {
// Keep waiting until timeout
while (!shouldStop() && !taskQueue.empty()) {
boost::chrono::system_clock::time_point timeToWaitFor = taskQueue.begin()->first;
if (newTaskScheduled.wait_until<>(lock, timeToWaitFor) == boost::cv_status::timeout)
break; // Exit loop after timeout, it means we reached the time of the event
}
#endif
// If there are multiple threads, the queue can empty while we're waiting (another