diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/main.cpp b/src/main.cpp index 7f48ccbae1..3cb476f957 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1492,13 +1492,13 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C // Check against previous transactions // This is done last to help prevent CPU exhaustion denial-of-service attacks. - CachedHashes cachedHashes(tx); - if (!CheckInputs(tx, state, view, true, scriptVerifyFlags, true, cachedHashes)) { + PrecomputedTransactionData txdata(tx); + if (!CheckInputs(tx, state, view, true, scriptVerifyFlags, true, txdata)) { // SCRIPT_VERIFY_CLEANSTACK requires SCRIPT_VERIFY_WITNESS, so we // need to turn both off, and compare against just turning off CLEANSTACK // to see if the failure is specifically due to witness validation. - if (CheckInputs(tx, state, view, true, scriptVerifyFlags & ~(SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_CLEANSTACK), true, cachedHashes) && - !CheckInputs(tx, state, view, true, scriptVerifyFlags & ~SCRIPT_VERIFY_CLEANSTACK, true, cachedHashes)) { + if (CheckInputs(tx, state, view, true, scriptVerifyFlags & ~(SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_CLEANSTACK), true, txdata) && + !CheckInputs(tx, state, view, true, scriptVerifyFlags & ~SCRIPT_VERIFY_CLEANSTACK, true, txdata)) { // Only the witness is wrong, so the transaction itself may be fine. state.SetCorruptionPossible(); } @@ -1514,7 +1514,7 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C // There is a similar check in CreateNewBlock() to prevent creating // invalid blocks, however allowing such transactions into the mempool // can be exploited as a DoS attack. - if (!CheckInputs(tx, state, view, true, MANDATORY_SCRIPT_VERIFY_FLAGS, true, cachedHashes)) + if (!CheckInputs(tx, state, view, true, MANDATORY_SCRIPT_VERIFY_FLAGS, true, txdata)) { return error("%s: BUG! PLEASE REPORT THIS! ConnectInputs failed against MANDATORY but not STANDARD flags %s, %s", __func__, hash.ToString(), FormatStateMessage(state)); @@ -1911,7 +1911,7 @@ void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, int nHeight) bool CScriptCheck::operator()() { const CScript &scriptSig = ptxTo->vin[nIn].scriptSig; const CScriptWitness *witness = (nIn < ptxTo->wit.vtxinwit.size()) ? &ptxTo->wit.vtxinwit[nIn].scriptWitness : NULL; - if (!VerifyScript(scriptSig, scriptPubKey, witness, nFlags, CachingTransactionSignatureChecker(ptxTo, nIn, amount, cacheStore, *cachedHashes), &error)) { + if (!VerifyScript(scriptSig, scriptPubKey, witness, nFlags, CachingTransactionSignatureChecker(ptxTo, nIn, amount, cacheStore, *txdata), &error)) { return false; } return true; @@ -1970,7 +1970,7 @@ bool CheckTxInputs(const CTransaction& tx, CValidationState& state, const CCoins } }// namespace Consensus -bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, bool cacheStore, CachedHashes& cachedHashes, std::vector<CScriptCheck> *pvChecks) +bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, bool cacheStore, PrecomputedTransactionData& txdata, std::vector<CScriptCheck> *pvChecks) { if (!tx.IsCoinBase()) { @@ -1997,7 +1997,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi assert(coins); // Verify signature - CScriptCheck check(*coins, tx, i, flags, cacheStore, &cachedHashes); + CScriptCheck check(*coins, tx, i, flags, cacheStore, &txdata); if (pvChecks) { pvChecks->push_back(CScriptCheck()); check.swap(pvChecks->back()); @@ -2010,7 +2010,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi // avoid splitting the network between upgraded and // non-upgraded nodes. CScriptCheck check2(*coins, tx, i, - flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS, cacheStore, &cachedHashes); + flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS, cacheStore, &txdata); if (check2()) return state.Invalid(false, REJECT_NONSTANDARD, strprintf("non-mandatory-script-verify-flag (%s)", ScriptErrorString(check.GetScriptError()))); } @@ -2406,8 +2406,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin std::vector<std::pair<uint256, CDiskTxPos> > vPos; vPos.reserve(block.vtx.size()); blockundo.vtxundo.reserve(block.vtx.size() - 1); - std::vector<CachedHashes> cachedHashes; - cachedHashes.reserve(block.vtx.size()); // Required so that pointers to individual CachedHashes don't get invalidated + std::vector<PrecomputedTransactionData> txdata; + txdata.reserve(block.vtx.size()); // Required so that pointers to individual PrecomputedTransactionData don't get invalidated for (unsigned int i = 0; i < block.vtx.size(); i++) { const CTransaction &tx = block.vtx[i]; @@ -2454,14 +2454,14 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin return state.DoS(100, error("ConnectBlock(): too many sigops"), REJECT_INVALID, "bad-blk-sigops"); - cachedHashes.emplace_back(tx); + txdata.emplace_back(tx); if (!tx.IsCoinBase()) { nFees += view.GetValueIn(tx)-tx.GetValueOut(); std::vector<CScriptCheck> vChecks; bool fCacheResults = fJustCheck; /* Don't cache results if we're actually connecting blocks (still consult the cache, though) */ - if (!CheckInputs(tx, state, view, fScriptChecks, flags, fCacheResults, cachedHashes[i], nScriptCheckThreads ? &vChecks : NULL)) + if (!CheckInputs(tx, state, view, fScriptChecks, flags, fCacheResults, txdata[i], nScriptCheckThreads ? &vChecks : NULL)) return error("ConnectBlock(): CheckInputs on %s failed with %s", tx.GetHash().ToString(), FormatStateMessage(state)); control.Add(vChecks); |