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34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
// Copyright (c) 2016-2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_POLICY_RBF_H
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#define BITCOIN_POLICY_RBF_H
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#include <txmempool.h>
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/** The rbf state of unconfirmed transactions */
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enum class RBFTransactionState {
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/** Unconfirmed tx that does not signal rbf and is not in the mempool */
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UNKNOWN,
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/** Either this tx or a mempool ancestor signals rbf */
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REPLACEABLE_BIP125,
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/** Neither this tx nor a mempool ancestor signals rbf */
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FINAL,
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};
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/**
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* Determine whether an unconfirmed transaction is signaling opt-in to RBF
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* according to BIP 125
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* This involves checking sequence numbers of the transaction, as well
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* as the sequence numbers of all in-mempool ancestors.
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*
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* @param tx The unconfirmed transaction
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* @param pool The mempool, which may contain the tx
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*
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* @return The rbf state
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*/
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RBFTransactionState IsRBFOptIn(const CTransaction& tx, const CTxMemPool& pool) EXCLUSIVE_LOCKS_REQUIRED(pool.cs);
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RBFTransactionState IsRBFOptInEmptyMempool(const CTransaction& tx);
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#endif // BITCOIN_POLICY_RBF_H
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