git / moonbite-core / src/policy/rbf.cpp · raw

// Copyright (c) 2016-2019 The Bitcoin Core developers// Distributed under the MIT software license, see the accompanying// file COPYING or http://www.opensource.org/licenses/mit-license.php.#include <policy/rbf.h>#include <util/rbf.h>RBFTransactionState IsRBFOptIn(const CTransaction& tx, const CTxMemPool& pool){    AssertLockHeld(pool.cs);    CTxMemPool::setEntries setAncestors;    // First check the transaction itself.    if (SignalsOptInRBF(tx)) {        return RBFTransactionState::REPLACEABLE_BIP125;    }    // If this transaction is not in our mempool, then we can't be sure    // we will know about all its inputs.    if (!pool.exists(tx.GetHash())) {        return RBFTransactionState::UNKNOWN;    }    // If all the inputs have nSequence >= maxint-1, it still might be    // signaled for RBF if any unconfirmed parents have signaled.    uint64_t noLimit = std::numeric_limits<uint64_t>::max();    std::string dummy;    CTxMemPoolEntry entry = *pool.mapTx.find(tx.GetHash());    pool.CalculateMemPoolAncestors(entry, setAncestors, noLimit, noLimit, noLimit, noLimit, dummy, false);    for (CTxMemPool::txiter it : setAncestors) {        if (SignalsOptInRBF(it->GetTx())) {            return RBFTransactionState::REPLACEABLE_BIP125;        }    }    return RBFTransactionState::FINAL;}RBFTransactionState IsRBFOptInEmptyMempool(const CTransaction& tx){    // If we don't have a local mempool we can only check the transaction itself.    return SignalsOptInRBF(tx) ? RBFTransactionState::REPLACEABLE_BIP125 : RBFTransactionState::UNKNOWN;}