Method PolicyScriptChecks

src/validation.cpp:1064–1092

}

bool MemPoolAccept::PolicyScriptChecks(const ATMPArgs& args, Workspace& ws)
{
    AssertLockHeld(cs_main);
    AssertLockHeld(m_pool.cs);
    const CTransaction& tx = *ws.m_ptx;
    TxValidationState& state = ws.m_state;

    unsigned int scriptVerifyFlags = STANDARD_SCRIPT_VERIFY_FLAGS;

    // Temporarily add additional script flags based on the activation of
    // Dynamic Federations. This can be included in the
    // STANDARD_LOCKTIME_VERIFY_FLAGS in a release post-activation.
    if (DeploymentActiveAfter(m_active_chainstate.m_chain.Tip(), args.m_chainparams.GetConsensus(), Consensus::DEPLOYMENT_DYNA_FED)) {
        scriptVerifyFlags |= SCRIPT_SIGHASH_RANGEPROOF;
    }

    // Check input scripts and signatures.
    // This is done last to help prevent CPU exhaustion denial-of-service attacks.
    if (!CheckInputScripts(tx, state, m_view, scriptVerifyFlags, true, false, ws.m_precomputed_txdata)) {
        // Detect a failure due to a missing witness so that p2p code can handle rejection caching appropriately.
        if (!tx.HasWitness() && SpendsNonAnchorWitnessProg(tx, m_view)) {
            state.Invalid(TxValidationResult::TX_WITNESS_STRIPPED,
                    state.GetRejectReason(), state.GetDebugMessage());
        }
        return false; // state filled in by CheckInputScripts
    }

    return true;
}

bool MemPoolAccept::ConsensusScriptChecks(const ATMPArgs& args, Workspace& ws)
{