diff options
| -rwxr-xr-x | qa/rpc-tests/p2p-compactblocks.py | 4 | ||||
| -rw-r--r-- | src/main.cpp | 6 | ||||
| -rw-r--r-- | src/main.h | 5 |
3 files changed, 10 insertions, 5 deletions
diff --git a/qa/rpc-tests/p2p-compactblocks.py b/qa/rpc-tests/p2p-compactblocks.py index a24066b077..6b5d477131 100755 --- a/qa/rpc-tests/p2p-compactblocks.py +++ b/qa/rpc-tests/p2p-compactblocks.py @@ -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 = 6 + 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/main.cpp b/src/main.cpp index 0002a1c08f..7e27428513 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -4878,7 +4878,7 @@ 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 (CanDirectFetch(Params().GetConsensus()) && mi->second->nHeight >= chainActive.Height() - 5) { + 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 @@ -5405,8 +5405,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv, return true; } - if (it->second->nHeight < chainActive.Height() - 10) { - LogPrint("net", "Peer %d sent us a getblocktxn for a block > 10 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; } 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 |