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// Copyright (c) 2016-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_POLICY_RBF_H
#define BITCOIN_POLICY_RBF_H
#include <txmempool.h>
static const uint32_t MAX_BIP125_RBF_SEQUENCE = 0xfffffffd;
enum class RBFTransactionState {
UNKNOWN,
REPLACEABLE_BIP125,
FINAL
};
// Check whether the sequence numbers on this transaction are signaling
// opt-in to replace-by-fee, according to BIP 125
bool SignalsOptInRBF(const CTransaction &tx);
// Determine whether an in-mempool transaction is signaling opt-in to RBF
// according to BIP 125
// This involves checking sequence numbers of the transaction, as well
// as the sequence numbers of all in-mempool ancestors.
RBFTransactionState IsRBFOptIn(const CTransaction &tx, CTxMemPool &pool) EXCLUSIVE_LOCKS_REQUIRED(pool.cs);
#endif // BITCOIN_POLICY_RBF_H
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