diff options
| -rwxr-xr-x | qa/rpc-tests/p2p-compactblocks.py | 6 | ||||
| -rw-r--r-- | src/init.cpp | 2 | ||||
| -rw-r--r-- | src/main.cpp | 20 | ||||
| -rw-r--r-- | src/main.h | 5 |
4 files changed, 24 insertions, 9 deletions
diff --git a/qa/rpc-tests/p2p-compactblocks.py b/qa/rpc-tests/p2p-compactblocks.py index 131654c333..6b5d477131 100755 --- a/qa/rpc-tests/p2p-compactblocks.py +++ b/qa/rpc-tests/p2p-compactblocks.py @@ -591,7 +591,7 @@ class CompactBlocksTest(BitcoinTestFramework): def test_getblocktxn_handler(self, node, test_node, version): # bitcoind won't respond for blocks whose height is more than 15 blocks # deep. - MAX_GETBLOCKTXN_DEPTH = 15 + MAX_GETBLOCKTXN_DEPTH = 10 chain_height = node.getblockcount() current_height = chain_height while (current_height >= chain_height - MAX_GETBLOCKTXN_DEPTH): @@ -632,9 +632,9 @@ class CompactBlocksTest(BitcoinTestFramework): def test_compactblocks_not_at_tip(self, node, test_node): # Test that requesting old compactblocks doesn't work. - MAX_CMPCTBLOCK_DEPTH = 11 + MAX_CMPCTBLOCK_DEPTH = 5 new_blocks = [] - for i in range(MAX_CMPCTBLOCK_DEPTH): + for i in range(MAX_CMPCTBLOCK_DEPTH + 1): test_node.clear_block_announcement() new_blocks.append(node.generate(1)[0]) wait_until(test_node.received_block_announcement, timeout=30) diff --git a/src/init.cpp b/src/init.cpp index eefef7ba0b..685188c458 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -423,7 +423,7 @@ 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) + ". " + diff --git a/src/main.cpp b/src/main.cpp index d14a1bed3a..9f3116e358 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -485,9 +485,13 @@ 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 = (pfrom->GetLocalServices() & NODE_WITNESS) ? 2 : 1; if (lNodesAnnouncingHeaderAndIDs.size() >= 3) { @@ -4875,7 +4879,7 @@ 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 @@ -5403,8 +5407,8 @@ 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) { + LogPrint("net", "Peer %d sent us a getblocktxn for a block > %i deep", pfrom->id, MAX_BLOCKTXN_DEPTH); return true; } @@ -5733,6 +5737,12 @@ 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, connman); + } + BlockTransactionsRequest req; for (size_t i = 0; i < cmpctblock.BlockTxCount(); i++) { if (!partialBlock.IsTxAvailable(i)) diff --git a/src/main.h b/src/main.h index 2646d8f86b..db58b27487 100644 --- a/src/main.h +++ b/src/main.h @@ -90,6 +90,11 @@ 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 |