diff options
Diffstat (limited to 'src/validation.cpp')
| -rw-r--r-- | src/validation.cpp | 163 |
1 files changed, 68 insertions, 95 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index 824f4a766b..e9c0607ced 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -33,6 +33,7 @@ #include <script/script.h> #include <script/sigcache.h> #include <shutdown.h> +#include <signet.h> #include <timedata.h> #include <tinyformat.h> #include <txdb.h> @@ -148,7 +149,6 @@ arith_uint256 nMinimumChainWork; CFeeRate minRelayTxFee = CFeeRate(DEFAULT_MIN_RELAY_TX_FEE); CBlockPolicyEstimator feeEstimator; -CTxMemPool mempool(&feeEstimator); // Internal stuff namespace { @@ -198,9 +198,6 @@ CBlockIndex* FindForkInGlobalIndex(const CChain& chain, const CBlockLocator& loc std::unique_ptr<CBlockTreeDB> pblocktree; -// See definition for documentation -static void FindFilesToPruneManual(ChainstateManager& chainman, std::set<int>& setFilesToPrune, int nManualPruneHeight); -static void FindFilesToPrune(ChainstateManager& chainman, std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight); bool CheckInputScripts(const CTransaction& tx, TxValidationState &state, const CCoinsViewCache &inputs, unsigned int flags, bool cacheSigStore, bool cacheFullScriptStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks = nullptr); static FILE* OpenUndoFile(const FlatFilePos &pos, bool fReadOnly = false); static FlatFileSeq BlockFileSeq(); @@ -476,6 +473,7 @@ public: */ std::vector<COutPoint>& m_coins_to_uncache; const bool m_test_accept; + CAmount* m_fee_out; }; // Single transaction acceptance @@ -688,6 +686,11 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) return false; // state filled in by CheckTxInputs } + // If fee_out is passed, return the fee to the caller + if (args.m_fee_out) { + *args.m_fee_out = nFees; + } + // Check for non-standard pay-to-script-hash in inputs if (fRequireStandard && !AreInputsStandard(tx, m_view)) { return state.Invalid(TxValidationResult::TX_INPUTS_NOT_STANDARD, "bad-txns-nonstandard-inputs"); @@ -1052,7 +1055,7 @@ bool MemPoolAccept::AcceptSingleTransaction(const CTransactionRef& ptx, ATMPArgs if (!Finalize(args, workspace)) return false; - GetMainSignals().TransactionAddedToMempool(ptx); + GetMainSignals().TransactionAddedToMempool(ptx, m_pool.GetAndIncrementSequence()); return true; } @@ -1062,10 +1065,10 @@ bool MemPoolAccept::AcceptSingleTransaction(const CTransactionRef& ptx, ATMPArgs /** (try to) add transaction to memory pool with a specified acceptance time **/ static bool AcceptToMemoryPoolWithTime(const CChainParams& chainparams, CTxMemPool& pool, TxValidationState &state, const CTransactionRef &tx, int64_t nAcceptTime, std::list<CTransactionRef>* plTxnReplaced, - bool bypass_limits, const CAmount nAbsurdFee, bool test_accept) EXCLUSIVE_LOCKS_REQUIRED(cs_main) + bool bypass_limits, const CAmount nAbsurdFee, bool test_accept, CAmount* fee_out=nullptr) EXCLUSIVE_LOCKS_REQUIRED(cs_main) { std::vector<COutPoint> coins_to_uncache; - MemPoolAccept::ATMPArgs args { chainparams, state, nAcceptTime, plTxnReplaced, bypass_limits, nAbsurdFee, coins_to_uncache, test_accept }; + MemPoolAccept::ATMPArgs args { chainparams, state, nAcceptTime, plTxnReplaced, bypass_limits, nAbsurdFee, coins_to_uncache, test_accept, fee_out }; bool res = MemPoolAccept(pool).AcceptSingleTransaction(tx, args); if (!res) { // Remove coins that were not present in the coins cache before calling ATMPW; @@ -1084,10 +1087,10 @@ static bool AcceptToMemoryPoolWithTime(const CChainParams& chainparams, CTxMemPo bool AcceptToMemoryPool(CTxMemPool& pool, TxValidationState &state, const CTransactionRef &tx, std::list<CTransactionRef>* plTxnReplaced, - bool bypass_limits, const CAmount nAbsurdFee, bool test_accept) + bool bypass_limits, const CAmount nAbsurdFee, bool test_accept, CAmount* fee_out) { const CChainParams& chainparams = Params(); - return AcceptToMemoryPoolWithTime(chainparams, pool, state, tx, GetTime(), plTxnReplaced, bypass_limits, nAbsurdFee, test_accept); + return AcceptToMemoryPoolWithTime(chainparams, pool, state, tx, GetTime(), plTxnReplaced, bypass_limits, nAbsurdFee, test_accept, fee_out); } CTransactionRef GetTransaction(const CBlockIndex* const block_index, const CTxMemPool* const mempool, const uint256& hash, const Consensus::Params& consensusParams, uint256& hashBlock) @@ -1164,6 +1167,11 @@ bool ReadBlockFromDisk(CBlock& block, const FlatFilePos& pos, const Consensus::P if (!CheckProofOfWork(block.GetHash(), block.nBits, consensusParams)) return error("ReadBlockFromDisk: Errors in block header at %s", pos.ToString()); + // Signet only: check block solution + if (consensusParams.signet_blocks && !CheckSignetBlockSolution(block, consensusParams)) { + return error("ReadBlockFromDisk: Errors in block solution at %s", pos.ToString()); + } + return true; } @@ -2288,11 +2296,11 @@ bool CChainState::FlushStateToDisk( if (nManualPruneHeight > 0) { LOG_TIME_MILLIS_WITH_CATEGORY("find files to prune (manual)", BCLog::BENCH); - FindFilesToPruneManual(g_chainman, setFilesToPrune, nManualPruneHeight); + m_blockman.FindFilesToPruneManual(setFilesToPrune, nManualPruneHeight, m_chain.Height()); } else { LOG_TIME_MILLIS_WITH_CATEGORY("find files to prune", BCLog::BENCH); - FindFilesToPrune(g_chainman, setFilesToPrune, chainparams.PruneAfterHeight()); + m_blockman.FindFilesToPrune(setFilesToPrune, chainparams.PruneAfterHeight(), m_chain.Height(), IsInitialBlockDownload()); fCheckForPruning = false; } if (!setFilesToPrune.empty()) { @@ -3343,6 +3351,11 @@ bool CheckBlock(const CBlock& block, BlockValidationState& state, const Consensu if (!CheckBlockHeader(block, state, consensusParams, fCheckPOW)) return false; + // Signet only: check block solution + if (consensusParams.signet_blocks && fCheckPOW && !CheckSignetBlockSolution(block, consensusParams)) { + return state.Invalid(BlockValidationResult::BLOCK_CONSENSUS, "bad-signet-blksig", "signet block signature validation failure"); + } + // Check the merkle root. if (fCheckMerkleRoot) { bool mutated; @@ -3406,31 +3419,11 @@ bool IsWitnessEnabled(const CBlockIndex* pindexPrev, const Consensus::Params& pa return (height >= params.SegwitHeight); } -int GetWitnessCommitmentIndex(const CBlock& block) -{ - int commitpos = -1; - if (!block.vtx.empty()) { - for (size_t o = 0; o < block.vtx[0]->vout.size(); o++) { - const CTxOut& vout = block.vtx[0]->vout[o]; - if (vout.scriptPubKey.size() >= MINIMUM_WITNESS_COMMITMENT && - vout.scriptPubKey[0] == OP_RETURN && - vout.scriptPubKey[1] == 0x24 && - vout.scriptPubKey[2] == 0xaa && - vout.scriptPubKey[3] == 0x21 && - vout.scriptPubKey[4] == 0xa9 && - vout.scriptPubKey[5] == 0xed) { - commitpos = o; - } - } - } - return commitpos; -} - void UpdateUncommittedBlockStructures(CBlock& block, const CBlockIndex* pindexPrev, const Consensus::Params& consensusParams) { int commitpos = GetWitnessCommitmentIndex(block); static const std::vector<unsigned char> nonce(32, 0x00); - if (commitpos != -1 && IsWitnessEnabled(pindexPrev, consensusParams) && !block.vtx[0]->HasWitness()) { + if (commitpos != NO_WITNESS_COMMITMENT && IsWitnessEnabled(pindexPrev, consensusParams) && !block.vtx[0]->HasWitness()) { CMutableTransaction tx(*block.vtx[0]); tx.vin[0].scriptWitness.stack.resize(1); tx.vin[0].scriptWitness.stack[0] = nonce; @@ -3444,7 +3437,7 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc int commitpos = GetWitnessCommitmentIndex(block); std::vector<unsigned char> ret(32, 0x00); if (consensusParams.SegwitHeight != std::numeric_limits<int>::max()) { - if (commitpos == -1) { + if (commitpos == NO_WITNESS_COMMITMENT) { uint256 witnessroot = BlockWitnessMerkleRoot(block, nullptr); CHash256().Write(witnessroot).Write(ret).Finalize(witnessroot); CTxOut out; @@ -3582,7 +3575,7 @@ static bool ContextualCheckBlock(const CBlock& block, BlockValidationState& stat bool fHaveWitness = false; if (nHeight >= consensusParams.SegwitHeight) { int commitpos = GetWitnessCommitmentIndex(block); - if (commitpos != -1) { + if (commitpos != NO_WITNESS_COMMITMENT) { bool malleated = false; uint256 hashWitness = BlockWitnessMerkleRoot(block, &malleated); // The malleation check is ignored; as the transaction tree itself @@ -3915,12 +3908,12 @@ uint64_t CalculateCurrentUsage() return retval; } -void ChainstateManager::PruneOneBlockFile(const int fileNumber) +void BlockManager::PruneOneBlockFile(const int fileNumber) { AssertLockHeld(cs_main); LOCK(cs_LastBlockFile); - for (const auto& entry : m_blockman.m_block_index) { + for (const auto& entry : m_block_index) { CBlockIndex* pindex = entry.second; if (pindex->nFile == fileNumber) { pindex->nStatus &= ~BLOCK_HAVE_DATA; @@ -3934,12 +3927,12 @@ void ChainstateManager::PruneOneBlockFile(const int fileNumber) // to be downloaded again in order to consider its chain, at which // point it would be considered as a candidate for // m_blocks_unlinked or setBlockIndexCandidates. - auto range = m_blockman.m_blocks_unlinked.equal_range(pindex->pprev); + auto range = m_blocks_unlinked.equal_range(pindex->pprev); while (range.first != range.second) { std::multimap<CBlockIndex *, CBlockIndex *>::iterator _it = range.first; range.first++; if (_it->second == pindex) { - m_blockman.m_blocks_unlinked.erase(_it); + m_blocks_unlinked.erase(_it); } } } @@ -3960,22 +3953,23 @@ void UnlinkPrunedFiles(const std::set<int>& setFilesToPrune) } } -/* Calculate the block/rev files to delete based on height specified by user with RPC command pruneblockchain */ -static void FindFilesToPruneManual(ChainstateManager& chainman, std::set<int>& setFilesToPrune, int nManualPruneHeight) +void BlockManager::FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight, int chain_tip_height) { assert(fPruneMode && nManualPruneHeight > 0); LOCK2(cs_main, cs_LastBlockFile); - if (::ChainActive().Tip() == nullptr) + if (chain_tip_height < 0) { return; + } // last block to prune is the lesser of (user-specified height, MIN_BLOCKS_TO_KEEP from the tip) - unsigned int nLastBlockWeCanPrune = std::min((unsigned)nManualPruneHeight, ::ChainActive().Tip()->nHeight - MIN_BLOCKS_TO_KEEP); - int count=0; + unsigned int nLastBlockWeCanPrune = std::min((unsigned)nManualPruneHeight, chain_tip_height - MIN_BLOCKS_TO_KEEP); + int count = 0; for (int fileNumber = 0; fileNumber < nLastBlockFile; fileNumber++) { - if (vinfoBlockFile[fileNumber].nSize == 0 || vinfoBlockFile[fileNumber].nHeightLast > nLastBlockWeCanPrune) + if (vinfoBlockFile[fileNumber].nSize == 0 || vinfoBlockFile[fileNumber].nHeightLast > nLastBlockWeCanPrune) { continue; - chainman.PruneOneBlockFile(fileNumber); + } + PruneOneBlockFile(fileNumber); setFilesToPrune.insert(fileNumber); count++; } @@ -3993,46 +3987,31 @@ void PruneBlockFilesManual(int nManualPruneHeight) } } -/** - * Prune block and undo files (blk???.dat and undo???.dat) so that the disk space used is less than a user-defined target. - * The user sets the target (in MB) on the command line or in config file. This will be run on startup and whenever new - * space is allocated in a block or undo file, staying below the target. Changing back to unpruned requires a reindex - * (which in this case means the blockchain must be re-downloaded.) - * - * Pruning functions are called from FlushStateToDisk when the global fCheckForPruning flag has been set. - * Block and undo files are deleted in lock-step (when blk00003.dat is deleted, so is rev00003.dat.) - * Pruning cannot take place until the longest chain is at least a certain length (100000 on mainnet, 1000 on testnet, 1000 on regtest). - * Pruning will never delete a block within a defined distance (currently 288) from the active chain's tip. - * The block index is updated by unsetting HAVE_DATA and HAVE_UNDO for any blocks that were stored in the deleted files. - * A db flag records the fact that at least some block files have been pruned. - * - * @param[out] setFilesToPrune The set of file indices that can be unlinked will be returned - */ -static void FindFilesToPrune(ChainstateManager& chainman, std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight) +void BlockManager::FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight, int chain_tip_height, bool is_ibd) { LOCK2(cs_main, cs_LastBlockFile); - if (::ChainActive().Tip() == nullptr || nPruneTarget == 0) { + if (chain_tip_height < 0 || nPruneTarget == 0) { return; } - if ((uint64_t)::ChainActive().Tip()->nHeight <= nPruneAfterHeight) { + if ((uint64_t)chain_tip_height <= nPruneAfterHeight) { return; } - unsigned int nLastBlockWeCanPrune = ::ChainActive().Tip()->nHeight - MIN_BLOCKS_TO_KEEP; + unsigned int nLastBlockWeCanPrune = chain_tip_height - MIN_BLOCKS_TO_KEEP; uint64_t nCurrentUsage = CalculateCurrentUsage(); // We don't check to prune until after we've allocated new space for files // So we should leave a buffer under our target to account for another allocation // before the next pruning. uint64_t nBuffer = BLOCKFILE_CHUNK_SIZE + UNDOFILE_CHUNK_SIZE; uint64_t nBytesToPrune; - int count=0; + int count = 0; if (nCurrentUsage + nBuffer >= nPruneTarget) { // On a prune event, the chainstate DB is flushed. // To avoid excessive prune events negating the benefit of high dbcache // values, we should not prune too rapidly. // So when pruning in IBD, increase the buffer a bit to avoid a re-prune too soon. - if (::ChainstateActive().IsInitialBlockDownload()) { + if (is_ibd) { // Since this is only relevant during IBD, we use a fixed 10% nBuffer += nPruneTarget / 10; } @@ -4040,17 +4019,20 @@ static void FindFilesToPrune(ChainstateManager& chainman, std::set<int>& setFile for (int fileNumber = 0; fileNumber < nLastBlockFile; fileNumber++) { nBytesToPrune = vinfoBlockFile[fileNumber].nSize + vinfoBlockFile[fileNumber].nUndoSize; - if (vinfoBlockFile[fileNumber].nSize == 0) + if (vinfoBlockFile[fileNumber].nSize == 0) { continue; + } - if (nCurrentUsage + nBuffer < nPruneTarget) // are we below our target? + if (nCurrentUsage + nBuffer < nPruneTarget) { // are we below our target? break; + } // don't prune files that could have a block within MIN_BLOCKS_TO_KEEP of the main chain's tip but keep scanning - if (vinfoBlockFile[fileNumber].nHeightLast > nLastBlockWeCanPrune) + if (vinfoBlockFile[fileNumber].nHeightLast > nLastBlockWeCanPrune) { continue; + } - chainman.PruneOneBlockFile(fileNumber); + PruneOneBlockFile(fileNumber); // Queue up the files for removal setFilesToPrune.insert(fileNumber); nCurrentUsage -= nBytesToPrune; @@ -4229,6 +4211,14 @@ bool static LoadBlockIndexDB(ChainstateManager& chainman, const CChainParams& ch return true; } +void CChainState::LoadMempool(const ArgsManager& args) +{ + if (args.GetArg("-persistmempool", DEFAULT_PERSIST_MEMPOOL)) { + ::LoadMempool(m_mempool); + } + m_mempool.SetIsLoaded(!ShutdownRequested()); +} + bool CChainState::LoadChainTip(const CChainParams& chainparams) { AssertLockHeld(cs_main); @@ -4600,10 +4590,10 @@ void CChainState::UnloadBlockIndex() { // May NOT be used after any connections are up as much // of the peer-processing logic assumes a consistent // block index state -void UnloadBlockIndex(CTxMemPool* mempool) +void UnloadBlockIndex(CTxMemPool* mempool, ChainstateManager& chainman) { LOCK(cs_main); - g_chainman.Unload(); + chainman.Unload(); pindexBestInvalid = nullptr; pindexBestHeader = nullptr; if (mempool) mempool->clear(); @@ -5118,7 +5108,7 @@ bool LoadMempool(CTxMemPool& pool) } // TODO: remove this try except in v0.22 - std::map<uint256, uint256> unbroadcast_txids; + std::set<uint256> unbroadcast_txids; try { file >> unbroadcast_txids; unbroadcast = unbroadcast_txids.size(); @@ -5126,13 +5116,10 @@ bool LoadMempool(CTxMemPool& pool) // mempool.dat files created prior to v0.21 will not have an // unbroadcast set. No need to log a failure if parsing fails here. } - for (const auto& elem : unbroadcast_txids) { - // Don't add unbroadcast transactions that didn't get back into the - // mempool. - const CTransactionRef& added_tx = pool.get(elem.first); - if (added_tx != nullptr) { - pool.AddUnbroadcastTx(elem.first, added_tx->GetWitnessHash()); - } + for (const auto& txid : unbroadcast_txids) { + // Ensure transactions were accepted to mempool then add to + // unbroadcast set. + if (pool.get(txid) != nullptr) pool.AddUnbroadcastTx(txid); } } catch (const std::exception& e) { LogPrintf("Failed to deserialize mempool data on disk: %s. Continuing anyway.\n", e.what()); @@ -5149,7 +5136,7 @@ bool DumpMempool(const CTxMemPool& pool) std::map<uint256, CAmount> mapDeltas; std::vector<TxMempoolInfo> vinfo; - std::map<uint256, uint256> unbroadcast_txids; + std::set<uint256> unbroadcast_txids; static Mutex dump_mutex; LOCK(dump_mutex); @@ -5221,20 +5208,6 @@ double GuessVerificationProgress(const ChainTxData& data, const CBlockIndex *pin return std::min<double>(pindex->nChainTx / fTxTotal, 1.0); } -class CMainCleanup -{ -public: - CMainCleanup() {} - ~CMainCleanup() { - // block headers - BlockMap::iterator it1 = g_chainman.BlockIndex().begin(); - for (; it1 != g_chainman.BlockIndex().end(); it1++) - delete (*it1).second; - g_chainman.BlockIndex().clear(); - } -}; -static CMainCleanup instance_of_cmaincleanup; - Optional<uint256> ChainstateManager::SnapshotBlockhash() const { if (m_active_chainstate != nullptr) { // If a snapshot chainstate exists, it will always be our active. |