diff options
Diffstat (limited to 'src/validation.cpp')
| -rw-r--r-- | src/validation.cpp | 126 |
1 files changed, 61 insertions, 65 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index 726f251c5a..9301066c6a 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -28,7 +28,6 @@ #include <reverse_iterator.h> #include <script/script.h> #include <script/sigcache.h> -#include <script/standard.h> #include <shutdown.h> #include <timedata.h> #include <tinyformat.h> @@ -46,8 +45,6 @@ #include <validationinterface.h> #include <warnings.h> -#include <future> -#include <sstream> #include <string> #include <boost/algorithm/string/replace.hpp> @@ -395,7 +392,7 @@ static void UpdateMempoolForReorg(DisconnectedBlockTransactions& disconnectpool, // Used to avoid mempool polluting consensus critical paths if CCoinsViewMempool // were somehow broken and returning the wrong scriptPubKeys static bool CheckInputsFromMempoolAndCache(const CTransaction& tx, CValidationState& state, const CCoinsViewCache& view, const CTxMemPool& pool, - unsigned int flags, bool cacheSigStore, PrecomputedTransactionData& txdata) EXCLUSIVE_LOCKS_REQUIRED(cs_main) { + unsigned int flags, PrecomputedTransactionData& txdata) EXCLUSIVE_LOCKS_REQUIRED(cs_main) { AssertLockHeld(cs_main); // pool.cs should be locked already, but go ahead and re-take the lock here @@ -425,7 +422,8 @@ static bool CheckInputsFromMempoolAndCache(const CTransaction& tx, CValidationSt } } - return CheckInputs(tx, state, view, flags, cacheSigStore, true, txdata); + // Call CheckInputs() to cache signature and script validity against current tip consensus rules. + return CheckInputs(tx, state, view, flags, /* cacheSigStore = */ true, /* cacheFullSciptStore = */ true, txdata); } namespace { @@ -508,11 +506,11 @@ private: { CAmount mempoolRejectFee = m_pool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFee(package_size); if (mempoolRejectFee > 0 && package_fee < mempoolRejectFee) { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_INSUFFICIENTFEE, "mempool min fee not met", strprintf("%d < %d", package_fee, mempoolRejectFee)); + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "mempool min fee not met", strprintf("%d < %d", package_fee, mempoolRejectFee)); } if (package_fee < ::minRelayTxFee.GetFee(package_size)) { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_INSUFFICIENTFEE, "min relay fee not met", strprintf("%d < %d", package_fee, ::minRelayTxFee.GetFee(package_size))); + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "min relay fee not met", strprintf("%d < %d", package_fee, ::minRelayTxFee.GetFee(package_size))); } return true; } @@ -565,29 +563,29 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) // Coinbase is only valid in a block, not as a loose transaction if (tx.IsCoinBase()) - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "coinbase"); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "coinbase"); // Rather not work on nonstandard transactions (unless -testnet/-regtest) std::string reason; if (fRequireStandard && !IsStandardTx(tx, reason)) - return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, REJECT_NONSTANDARD, reason); + return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, reason); // Do not work on transactions that are too small. // A transaction with 1 segwit input and 1 P2WPHK output has non-witness size of 82 bytes. // Transactions smaller than this are not relayed to mitigate CVE-2017-12842 by not relaying // 64-byte transactions. if (::GetSerializeSize(tx, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) < MIN_STANDARD_TX_NONWITNESS_SIZE) - return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, REJECT_NONSTANDARD, "tx-size-small"); + return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, "tx-size-small"); // Only accept nLockTime-using transactions that can be mined in the next // block; we don't want our mempool filled up with transactions that can't // be mined yet. if (!CheckFinalTx(tx, STANDARD_LOCKTIME_VERIFY_FLAGS)) - return state.Invalid(ValidationInvalidReason::TX_PREMATURE_SPEND, false, REJECT_NONSTANDARD, "non-final"); + return state.Invalid(ValidationInvalidReason::TX_PREMATURE_SPEND, false, "non-final"); // is it already in the memory pool? if (m_pool.exists(hash)) { - return state.Invalid(ValidationInvalidReason::TX_CONFLICT, false, REJECT_DUPLICATE, "txn-already-in-mempool"); + return state.Invalid(ValidationInvalidReason::TX_CONFLICT, false, "txn-already-in-mempool"); } // Check for conflicts with in-memory transactions @@ -619,7 +617,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) } } if (fReplacementOptOut) { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_DUPLICATE, "txn-mempool-conflict"); + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "txn-mempool-conflict"); } setConflicts.insert(ptxConflicting->GetHash()); @@ -645,7 +643,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) for (size_t out = 0; out < tx.vout.size(); out++) { // Optimistically just do efficient check of cache for outputs if (coins_cache.HaveCoinInCache(COutPoint(hash, out))) { - return state.Invalid(ValidationInvalidReason::TX_CONFLICT, false, REJECT_DUPLICATE, "txn-already-known"); + return state.Invalid(ValidationInvalidReason::TX_CONFLICT, false, "txn-already-known"); } } // Otherwise assume this might be an orphan tx for which we just haven't seen parents yet @@ -670,7 +668,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) // Must keep pool.cs for this unless we change CheckSequenceLocks to take a // CoinsViewCache instead of create its own if (!CheckSequenceLocks(m_pool, tx, STANDARD_LOCKTIME_VERIFY_FLAGS, &lp)) - return state.Invalid(ValidationInvalidReason::TX_PREMATURE_SPEND, false, REJECT_NONSTANDARD, "non-BIP68-final"); + return state.Invalid(ValidationInvalidReason::TX_PREMATURE_SPEND, false, "non-BIP68-final"); CAmount nFees = 0; if (!Consensus::CheckTxInputs(tx, state, m_view, GetSpendHeight(m_view), nFees)) { @@ -679,11 +677,11 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) // Check for non-standard pay-to-script-hash in inputs if (fRequireStandard && !AreInputsStandard(tx, m_view)) - return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, REJECT_NONSTANDARD, "bad-txns-nonstandard-inputs"); + return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, "bad-txns-nonstandard-inputs"); // Check for non-standard witness in P2WSH if (tx.HasWitness() && fRequireStandard && !IsWitnessStandard(tx, m_view)) - return state.Invalid(ValidationInvalidReason::TX_WITNESS_MUTATED, false, REJECT_NONSTANDARD, "bad-witness-nonstandard"); + return state.Invalid(ValidationInvalidReason::TX_WITNESS_MUTATED, false, "bad-witness-nonstandard"); int64_t nSigOpsCost = GetTransactionSigOpCost(tx, m_view, STANDARD_SCRIPT_VERIFY_FLAGS); @@ -707,7 +705,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) unsigned int nSize = entry->GetTxSize(); if (nSigOpsCost > MAX_STANDARD_TX_SIGOPS_COST) - return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, REJECT_NONSTANDARD, "bad-txns-too-many-sigops", + return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, "bad-txns-too-many-sigops", strprintf("%d", nSigOpsCost)); // No transactions are allowed below minRelayTxFee except from disconnected @@ -716,8 +714,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) if (nAbsurdFee && nFees > nAbsurdFee) return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, - REJECT_HIGHFEE, "absurdly-high-fee", - strprintf("%d > %d", nFees, nAbsurdFee)); + "absurdly-high-fee", strprintf("%d > %d", nFees, nAbsurdFee)); const CTxMemPool::setEntries setIterConflicting = m_pool.GetIterSet(setConflicts); // Calculate in-mempool ancestors, up to a limit. @@ -774,7 +771,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) // this, see https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2018-November/016518.html if (nSize > EXTRA_DESCENDANT_TX_SIZE_LIMIT || !m_pool.CalculateMemPoolAncestors(*entry, setAncestors, 2, m_limit_ancestor_size, m_limit_descendants + 1, m_limit_descendant_size + EXTRA_DESCENDANT_TX_SIZE_LIMIT, dummy_err_string)) { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_NONSTANDARD, "too-long-mempool-chain", errString); + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "too-long-mempool-chain", errString); } } @@ -787,7 +784,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) const uint256 &hashAncestor = ancestorIt->GetTx().GetHash(); if (setConflicts.count(hashAncestor)) { - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "bad-txns-spends-conflicting-tx", + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "bad-txns-spends-conflicting-tx", strprintf("%s spends conflicting transaction %s", hash.ToString(), hashAncestor.ToString())); @@ -827,7 +824,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) CFeeRate oldFeeRate(mi->GetModifiedFee(), mi->GetTxSize()); if (newFeeRate <= oldFeeRate) { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_INSUFFICIENTFEE, "insufficient fee", + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "insufficient fee", strprintf("rejecting replacement %s; new feerate %s <= old feerate %s", hash.ToString(), newFeeRate.ToString(), @@ -855,7 +852,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) nConflictingSize += it->GetTxSize(); } } else { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_NONSTANDARD, "too many potential replacements", + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "too many potential replacements", strprintf("rejecting replacement %s; too many potential replacements (%d > %d)\n", hash.ToString(), nConflictingCount, @@ -879,7 +876,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) // it's cheaper to just check if the new input refers to a // tx that's in the mempool. if (m_pool.exists(tx.vin[j].prevout.hash)) { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_NONSTANDARD, "replacement-adds-unconfirmed", + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "replacement-adds-unconfirmed", strprintf("replacement %s adds unconfirmed input, idx %d", hash.ToString(), j)); } @@ -891,7 +888,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) // transactions would not be paid for. if (nModifiedFees < nConflictingFees) { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_INSUFFICIENTFEE, "insufficient fee", + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "insufficient fee", strprintf("rejecting replacement %s, less fees than conflicting txs; %s < %s", hash.ToString(), FormatMoney(nModifiedFees), FormatMoney(nConflictingFees))); } @@ -901,7 +898,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws) CAmount nDeltaFees = nModifiedFees - nConflictingFees; if (nDeltaFees < ::incrementalRelayFee.GetFee(nSize)) { - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_INSUFFICIENTFEE, "insufficient fee", + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "insufficient fee", strprintf("rejecting replacement %s, not enough additional fees to relay; %s < %s", hash.ToString(), FormatMoney(nDeltaFees), @@ -930,7 +927,7 @@ bool MemPoolAccept::PolicyScriptChecks(ATMPArgs& args, Workspace& ws, Precompute !CheckInputs(tx, stateDummy, m_view, scriptVerifyFlags & ~SCRIPT_VERIFY_CLEANSTACK, true, false, txdata)) { // Only the witness is missing, so the transaction itself may be fine. state.Invalid(ValidationInvalidReason::TX_WITNESS_MUTATED, false, - state.GetRejectCode(), state.GetRejectReason(), state.GetDebugMessage()); + state.GetRejectReason(), state.GetDebugMessage()); } assert(IsTransactionReason(state.GetReason())); return false; // state filled in by CheckInputs @@ -963,7 +960,7 @@ bool MemPoolAccept::ConsensusScriptChecks(ATMPArgs& args, Workspace& ws, Precomp // invalid blocks (using TestBlockValidity), however allowing such // transactions into the mempool can be exploited as a DoS attack. unsigned int currentBlockScriptVerifyFlags = GetBlockScriptFlags(::ChainActive().Tip(), chainparams.GetConsensus()); - if (!CheckInputsFromMempoolAndCache(tx, state, m_view, m_pool, currentBlockScriptVerifyFlags, true, txdata)) { + if (!CheckInputsFromMempoolAndCache(tx, state, m_view, m_pool, currentBlockScriptVerifyFlags, txdata)) { return error("%s: BUG! PLEASE REPORT THIS! CheckInputs failed against latest-block but not STANDARD flags %s, %s", __func__, hash.ToString(), FormatStateMessage(state)); } @@ -1013,7 +1010,7 @@ bool MemPoolAccept::Finalize(ATMPArgs& args, Workspace& ws) if (!bypass_limits) { LimitMempoolSize(m_pool, gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000, std::chrono::hours{gArgs.GetArg("-mempoolexpiry", DEFAULT_MEMPOOL_EXPIRY)}); if (!m_pool.exists(hash)) - return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, REJECT_INSUFFICIENTFEE, "mempool full"); + return state.Invalid(ValidationInvalidReason::TX_MEMPOOL_POLICY, false, "mempool full"); } return true; } @@ -1548,7 +1545,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi CScriptCheck check2(coin.out, tx, i, flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS, cacheSigStore, &txdata); if (check2()) - return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, REJECT_NONSTANDARD, strprintf("non-mandatory-script-verify-flag (%s)", ScriptErrorString(check.GetScriptError()))); + return state.Invalid(ValidationInvalidReason::TX_NOT_STANDARD, false, strprintf("non-mandatory-script-verify-flag (%s)", ScriptErrorString(check.GetScriptError()))); } // MANDATORY flag failures correspond to // ValidationInvalidReason::CONSENSUS. Because CONSENSUS @@ -1559,7 +1556,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi // support, to avoid splitting the network (but this // depends on the details of how net_processing handles // such errors). - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, strprintf("mandatory-script-verify-flag-failed (%s)", ScriptErrorString(check.GetScriptError()))); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, strprintf("mandatory-script-verify-flag-failed (%s)", ScriptErrorString(check.GetScriptError()))); } } @@ -2062,7 +2059,7 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl for (size_t o = 0; o < tx->vout.size(); o++) { if (view.HaveCoin(COutPoint(tx->GetHash(), o))) { return state.Invalid(ValidationInvalidReason::CONSENSUS, error("ConnectBlock(): tried to overwrite transaction"), - REJECT_INVALID, "bad-txns-BIP30"); + "bad-txns-BIP30"); } } } @@ -2107,14 +2104,14 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl // defined for a block, so we reset the reason flag to // CONSENSUS here. state.Invalid(ValidationInvalidReason::CONSENSUS, false, - state.GetRejectCode(), state.GetRejectReason(), state.GetDebugMessage()); + state.GetRejectReason(), state.GetDebugMessage()); } return error("%s: Consensus::CheckTxInputs: %s, %s", __func__, tx.GetHash().ToString(), FormatStateMessage(state)); } nFees += txfee; if (!MoneyRange(nFees)) { return state.Invalid(ValidationInvalidReason::CONSENSUS, error("%s: accumulated fee in the block out of range.", __func__), - REJECT_INVALID, "bad-txns-accumulated-fee-outofrange"); + "bad-txns-accumulated-fee-outofrange"); } // Check that transaction is BIP68 final @@ -2127,7 +2124,7 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl if (!SequenceLocks(tx, nLockTimeFlags, &prevheights, *pindex)) { return state.Invalid(ValidationInvalidReason::CONSENSUS, error("%s: contains a non-BIP68-final transaction", __func__), - REJECT_INVALID, "bad-txns-nonfinal"); + "bad-txns-nonfinal"); } } @@ -2138,7 +2135,7 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl nSigOpsCost += GetTransactionSigOpCost(tx, view, flags); if (nSigOpsCost > MAX_BLOCK_SIGOPS_COST) return state.Invalid(ValidationInvalidReason::CONSENSUS, error("ConnectBlock(): too many sigops"), - REJECT_INVALID, "bad-blk-sigops"); + "bad-blk-sigops"); txdata.emplace_back(tx); if (!tx.IsCoinBase()) @@ -2154,7 +2151,7 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl // consider whether rewriting to CONSENSUS or // RECENT_CONSENSUS_CHANGE would be more appropriate. state.Invalid(ValidationInvalidReason::CONSENSUS, false, - state.GetRejectCode(), state.GetRejectReason(), state.GetDebugMessage()); + state.GetRejectReason(), state.GetDebugMessage()); } return error("ConnectBlock(): CheckInputs on %s failed with %s", tx.GetHash().ToString(), FormatStateMessage(state)); @@ -2176,10 +2173,10 @@ bool CChainState::ConnectBlock(const CBlock& block, CValidationState& state, CBl return state.Invalid(ValidationInvalidReason::CONSENSUS, error("ConnectBlock(): coinbase pays too much (actual=%d vs limit=%d)", block.vtx[0]->GetValueOut(), blockReward), - REJECT_INVALID, "bad-cb-amount"); + "bad-cb-amount"); if (!control.Wait()) - return state.Invalid(ValidationInvalidReason::CONSENSUS, error("%s: CheckQueue failed", __func__), REJECT_INVALID, "block-validation-failed"); + return state.Invalid(ValidationInvalidReason::CONSENSUS, error("%s: CheckQueue failed", __func__), "block-validation-failed"); int64_t nTime4 = GetTimeMicros(); nTimeVerify += nTime4 - nTime2; LogPrint(BCLog::BENCH, " - Verify %u txins: %.2fms (%.3fms/txin) [%.2fs (%.2fms/blk)]\n", nInputs - 1, MILLI * (nTime4 - nTime2), nInputs <= 1 ? 0 : MILLI * (nTime4 - nTime2) / (nInputs-1), nTimeVerify * MICRO, nTimeVerify * MILLI / nBlocksTotal); @@ -3256,7 +3253,7 @@ static bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, { // Check proof of work matches claimed amount if (fCheckPOW && !CheckProofOfWork(block.GetHash(), block.nBits, consensusParams)) - return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_HEADER, false, REJECT_INVALID, "high-hash", "proof of work failed"); + return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_HEADER, false, "high-hash", "proof of work failed"); return true; } @@ -3278,13 +3275,13 @@ bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::P bool mutated; uint256 hashMerkleRoot2 = BlockMerkleRoot(block, &mutated); if (block.hashMerkleRoot != hashMerkleRoot2) - return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, REJECT_INVALID, "bad-txnmrklroot", "hashMerkleRoot mismatch"); + return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, "bad-txnmrklroot", "hashMerkleRoot mismatch"); // Check for merkle tree malleability (CVE-2012-2459): repeating sequences // of transactions in a block without affecting the merkle root of a block, // while still invalidating it. if (mutated) - return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, REJECT_INVALID, "bad-txns-duplicate", "duplicate transaction"); + return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, "bad-txns-duplicate", "duplicate transaction"); } // All potential-corruption validation must be done before we do any @@ -3295,20 +3292,19 @@ bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::P // Size limits if (block.vtx.empty() || block.vtx.size() * WITNESS_SCALE_FACTOR > MAX_BLOCK_WEIGHT || ::GetSerializeSize(block, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS) * WITNESS_SCALE_FACTOR > MAX_BLOCK_WEIGHT) - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "bad-blk-length", "size limits failed"); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "bad-blk-length", "size limits failed"); // First transaction must be coinbase, the rest must not be if (block.vtx.empty() || !block.vtx[0]->IsCoinBase()) - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "bad-cb-missing", "first tx is not coinbase"); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "bad-cb-missing", "first tx is not coinbase"); for (unsigned int i = 1; i < block.vtx.size(); i++) if (block.vtx[i]->IsCoinBase()) - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "bad-cb-multiple", "more than one coinbase"); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "bad-cb-multiple", "more than one coinbase"); // Check transactions - // Must check for duplicate inputs (see CVE-2018-17144) for (const auto& tx : block.vtx) - if (!CheckTransaction(*tx, state, true)) - return state.Invalid(state.GetReason(), false, state.GetRejectCode(), state.GetRejectReason(), + if (!CheckTransaction(*tx, state)) + return state.Invalid(state.GetReason(), false, state.GetRejectReason(), strprintf("Transaction check failed (tx hash %s) %s", tx->GetHash().ToString(), state.GetDebugMessage())); unsigned int nSigOps = 0; @@ -3317,7 +3313,7 @@ bool CheckBlock(const CBlock& block, CValidationState& state, const Consensus::P nSigOps += GetLegacySigOpCount(*tx); } if (nSigOps * WITNESS_SCALE_FACTOR > MAX_BLOCK_SIGOPS_COST) - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "bad-blk-sigops", "out-of-bounds SigOpCount"); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "bad-blk-sigops", "out-of-bounds SigOpCount"); if (fCheckPOW && fCheckMerkleRoot) block.fChecked = true; @@ -3418,7 +3414,7 @@ static bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationSta // Check proof of work const Consensus::Params& consensusParams = params.GetConsensus(); if (block.nBits != GetNextWorkRequired(pindexPrev, &block, consensusParams)) - return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_HEADER, false, REJECT_INVALID, "bad-diffbits", "incorrect proof of work"); + return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_HEADER, false, "bad-diffbits", "incorrect proof of work"); // Check against checkpoints if (fCheckpointsEnabled) { @@ -3427,23 +3423,23 @@ static bool ContextualCheckBlockHeader(const CBlockHeader& block, CValidationSta // g_blockman.m_block_index. CBlockIndex* pcheckpoint = GetLastCheckpoint(params.Checkpoints()); if (pcheckpoint && nHeight < pcheckpoint->nHeight) - return state.Invalid(ValidationInvalidReason::BLOCK_CHECKPOINT, error("%s: forked chain older than last checkpoint (height %d)", __func__, nHeight), REJECT_CHECKPOINT, "bad-fork-prior-to-checkpoint"); + return state.Invalid(ValidationInvalidReason::BLOCK_CHECKPOINT, error("%s: forked chain older than last checkpoint (height %d)", __func__, nHeight), "bad-fork-prior-to-checkpoint"); } // Check timestamp against prev if (block.GetBlockTime() <= pindexPrev->GetMedianTimePast()) - return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_HEADER, false, REJECT_INVALID, "time-too-old", "block's timestamp is too early"); + return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_HEADER, false, "time-too-old", "block's timestamp is too early"); // Check timestamp if (block.GetBlockTime() > nAdjustedTime + MAX_FUTURE_BLOCK_TIME) - return state.Invalid(ValidationInvalidReason::BLOCK_TIME_FUTURE, false, REJECT_INVALID, "time-too-new", "block timestamp too far in the future"); + return state.Invalid(ValidationInvalidReason::BLOCK_TIME_FUTURE, false, "time-too-new", "block timestamp too far in the future"); // Reject outdated version blocks when 95% (75% on testnet) of the network has upgraded: // check for version 2, 3 and 4 upgrades if((block.nVersion < 2 && nHeight >= consensusParams.BIP34Height) || (block.nVersion < 3 && nHeight >= consensusParams.BIP66Height) || (block.nVersion < 4 && nHeight >= consensusParams.BIP65Height)) - return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_HEADER, false, REJECT_OBSOLETE, strprintf("bad-version(0x%08x)", block.nVersion), + return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_HEADER, false, strprintf("bad-version(0x%08x)", block.nVersion), strprintf("rejected nVersion=0x%08x block", block.nVersion)); return true; @@ -3473,7 +3469,7 @@ static bool ContextualCheckBlock(const CBlock& block, CValidationState& state, c // Check that all transactions are finalized for (const auto& tx : block.vtx) { if (!IsFinalTx(*tx, nHeight, nLockTimeCutoff)) { - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "bad-txns-nonfinal", "non-final transaction"); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "bad-txns-nonfinal", "non-final transaction"); } } @@ -3483,7 +3479,7 @@ static bool ContextualCheckBlock(const CBlock& block, CValidationState& state, c CScript expect = CScript() << nHeight; if (block.vtx[0]->vin[0].scriptSig.size() < expect.size() || !std::equal(expect.begin(), expect.end(), block.vtx[0]->vin[0].scriptSig.begin())) { - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "bad-cb-height", "block height mismatch in coinbase"); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "bad-cb-height", "block height mismatch in coinbase"); } } @@ -3505,11 +3501,11 @@ static bool ContextualCheckBlock(const CBlock& block, CValidationState& state, c // already does not permit it, it is impossible to trigger in the // witness tree. if (block.vtx[0]->vin[0].scriptWitness.stack.size() != 1 || block.vtx[0]->vin[0].scriptWitness.stack[0].size() != 32) { - return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, REJECT_INVALID, "bad-witness-nonce-size", strprintf("%s : invalid witness reserved value size", __func__)); + return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, "bad-witness-nonce-size", strprintf("%s : invalid witness reserved value size", __func__)); } CHash256().Write(hashWitness.begin(), 32).Write(&block.vtx[0]->vin[0].scriptWitness.stack[0][0], 32).Finalize(hashWitness.begin()); if (memcmp(hashWitness.begin(), &block.vtx[0]->vout[commitpos].scriptPubKey[6], 32)) { - return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, REJECT_INVALID, "bad-witness-merkle-match", strprintf("%s : witness merkle commitment mismatch", __func__)); + return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, "bad-witness-merkle-match", strprintf("%s : witness merkle commitment mismatch", __func__)); } fHaveWitness = true; } @@ -3519,7 +3515,7 @@ static bool ContextualCheckBlock(const CBlock& block, CValidationState& state, c if (!fHaveWitness) { for (const auto& tx : block.vtx) { if (tx->HasWitness()) { - return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, REJECT_INVALID, "unexpected-witness", strprintf("%s : unexpected witness data found", __func__)); + return state.Invalid(ValidationInvalidReason::BLOCK_MUTATED, false, "unexpected-witness", strprintf("%s : unexpected witness data found", __func__)); } } } @@ -3531,7 +3527,7 @@ static bool ContextualCheckBlock(const CBlock& block, CValidationState& state, c // the block hash, so we couldn't mark the block as permanently // failed). if (GetBlockWeight(block) > MAX_BLOCK_WEIGHT) { - return state.Invalid(ValidationInvalidReason::CONSENSUS, false, REJECT_INVALID, "bad-blk-weight", strprintf("%s : weight limit failed", __func__)); + return state.Invalid(ValidationInvalidReason::CONSENSUS, false, "bad-blk-weight", strprintf("%s : weight limit failed", __func__)); } return true; @@ -3551,7 +3547,7 @@ bool BlockManager::AcceptBlockHeader(const CBlockHeader& block, CValidationState if (ppindex) *ppindex = pindex; if (pindex->nStatus & BLOCK_FAILED_MASK) - return state.Invalid(ValidationInvalidReason::CACHED_INVALID, error("%s: block %s is marked invalid", __func__, hash.ToString()), 0, "duplicate"); + return state.Invalid(ValidationInvalidReason::CACHED_INVALID, error("%s: block %s is marked invalid", __func__, hash.ToString()), "duplicate"); return true; } @@ -3562,10 +3558,10 @@ bool BlockManager::AcceptBlockHeader(const CBlockHeader& block, CValidationState CBlockIndex* pindexPrev = nullptr; BlockMap::iterator mi = m_block_index.find(block.hashPrevBlock); if (mi == m_block_index.end()) - return state.Invalid(ValidationInvalidReason::BLOCK_MISSING_PREV, error("%s: prev block not found", __func__), 0, "prev-blk-not-found"); + return state.Invalid(ValidationInvalidReason::BLOCK_MISSING_PREV, error("%s: prev block not found", __func__), "prev-blk-not-found"); pindexPrev = (*mi).second; if (pindexPrev->nStatus & BLOCK_FAILED_MASK) - return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_PREV, error("%s: prev block invalid", __func__), REJECT_INVALID, "bad-prevblk"); + return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_PREV, error("%s: prev block invalid", __func__), "bad-prevblk"); if (!ContextualCheckBlockHeader(block, state, chainparams, pindexPrev, GetAdjustedTime())) return error("%s: Consensus::ContextualCheckBlockHeader: %s, %s", __func__, hash.ToString(), FormatStateMessage(state)); @@ -3602,7 +3598,7 @@ bool BlockManager::AcceptBlockHeader(const CBlockHeader& block, CValidationState setDirtyBlockIndex.insert(invalid_walk); invalid_walk = invalid_walk->pprev; } - return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_PREV, error("%s: prev block invalid", __func__), REJECT_INVALID, "bad-prevblk"); + return state.Invalid(ValidationInvalidReason::BLOCK_INVALID_PREV, error("%s: prev block invalid", __func__), "bad-prevblk"); } } } |