diff options
Diffstat (limited to 'src/validation.cpp')
| -rw-r--r-- | src/validation.cpp | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index ddc8b1b96..d7d880d24 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -532,24 +532,20 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool CCoinsViewMemPool viewMemPool(pcoinsTip, pool); view.SetBackend(viewMemPool); - // do we already have it? - for (size_t out = 0; out < tx.vout.size(); out++) { - COutPoint outpoint(hash, out); - bool had_coin_in_cache = pcoinsTip->HaveCoinInCache(outpoint); - if (view.HaveCoin(outpoint)) { - if (!had_coin_in_cache) { - coins_to_uncache.push_back(outpoint); - } - return state.Invalid(false, REJECT_DUPLICATE, "txn-already-known"); - } - } - // do all inputs exist? for (const CTxIn txin : tx.vin) { if (!pcoinsTip->HaveCoinInCache(txin.prevout)) { coins_to_uncache.push_back(txin.prevout); } if (!view.HaveCoin(txin.prevout)) { + // Are inputs missing because we already have the tx? + for (size_t out = 0; out < tx.vout.size(); out++) { + // Optimistically just do efficient check of cache for outputs + if (pcoinsTip->HaveCoinInCache(COutPoint(hash, out))) { + return state.Invalid(false, REJECT_DUPLICATE, "txn-already-known"); + } + } + // Otherwise assume this might be an orphan tx for which we just haven't seen parents yet if (pfMissingInputs) { *pfMissingInputs = true; } @@ -2803,7 +2799,7 @@ bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::P // checks that use witness data may be performed here. // Size limits - if (block.vtx.empty() || block.vtx.size() > MAX_BLOCK_BASE_SIZE || ::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) > MAX_BLOCK_BASE_SIZE) + if (block.vtx.empty() || block.vtx.size() * WITNESS_SCALE_FACTOR > MAX_BLOCK_WEIGHT || ::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * WITNESS_SCALE_FACTOR > MAX_BLOCK_WEIGHT) return state.DoS(100, false, REJECT_INVALID, "bad-blk-length", false, "size limits failed"); // First transaction must be coinbase, the rest must not be |