diff options
Diffstat (limited to 'src/validation.cpp')
-rw-r--r-- | src/validation.cpp | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/validation.cpp b/src/validation.cpp index 06b9b36fca..423b93479a 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -1532,14 +1532,21 @@ bool CheckInputScripts(const CTransaction& tx, TxValidationState &state, const C return true; } - if (!txdata.m_ready) { - txdata.Init(tx); + if (!txdata.m_spent_outputs_ready) { + std::vector<CTxOut> spent_outputs; + spent_outputs.reserve(tx.vin.size()); + + for (const auto& txin : tx.vin) { + const COutPoint& prevout = txin.prevout; + const Coin& coin = inputs.AccessCoin(prevout); + assert(!coin.IsSpent()); + spent_outputs.emplace_back(coin.out); + } + txdata.Init(tx, std::move(spent_outputs)); } + assert(txdata.m_spent_outputs.size() == tx.vin.size()); for (unsigned int i = 0; i < tx.vin.size(); i++) { - const COutPoint &prevout = tx.vin[i].prevout; - const Coin& coin = inputs.AccessCoin(prevout); - assert(!coin.IsSpent()); // We very carefully only pass in things to CScriptCheck which // are clearly committed to by tx' witness hash. This provides @@ -1548,7 +1555,7 @@ bool CheckInputScripts(const CTransaction& tx, TxValidationState &state, const C // spent being checked as a part of CScriptCheck. // Verify signature - CScriptCheck check(coin.out, tx, i, flags, cacheSigStore, &txdata); + CScriptCheck check(txdata.m_spent_outputs[i], tx, i, flags, cacheSigStore, &txdata); if (pvChecks) { pvChecks->push_back(CScriptCheck()); check.swap(pvChecks->back()); @@ -1562,7 +1569,7 @@ bool CheckInputScripts(const CTransaction& tx, TxValidationState &state, const C // splitting the network between upgraded and // non-upgraded nodes by banning CONSENSUS-failing // data providers. - CScriptCheck check2(coin.out, tx, i, + CScriptCheck check2(txdata.m_spent_outputs[i], tx, i, flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS, cacheSigStore, &txdata); if (check2()) return state.Invalid(TxValidationResult::TX_NOT_STANDARD, strprintf("non-mandatory-script-verify-flag (%s)", ScriptErrorString(check.GetScriptError()))); @@ -1907,6 +1914,11 @@ static unsigned int GetBlockScriptFlags(const CBlockIndex* pindex, const Consens flags |= SCRIPT_VERIFY_CHECKSEQUENCEVERIFY; } + // Start enforcing Taproot using versionbits logic. + if (VersionBitsState(pindex->pprev, consensusparams, Consensus::DEPLOYMENT_TAPROOT, versionbitscache) == ThresholdState::ACTIVE) { + flags |= SCRIPT_VERIFY_TAPROOT; + } + // Start enforcing BIP147 NULLDUMMY (activated simultaneously with segwit) if (IsWitnessEnabled(pindex->pprev, consensusparams)) { flags |= SCRIPT_VERIFY_NULLDUMMY; |