txreconciliation.h

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// Copyright (c) 2022 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_NODE_TXRECONCILIATION_H
#define BITCOIN_NODE_TXRECONCILIATION_H
 
#include <net.h>
#include <sync.h>
 
#include <memory>
#include <tuple>
 
static constexpr bool DEFAULT_TXRECONCILIATION_ENABLE{false};
static constexpr uint32_t TXRECONCILIATION_VERSION{1};
 
enum class ReconciliationRegisterResult {
    NOT_FOUND,
    SUCCESS,
    ALREADY_REGISTERED,
    PROTOCOL_VIOLATION,
};
 
class TxReconciliationTracker
{
private:
    class Impl;
    const std::unique_ptr<Impl> m_impl;
 
public:
    explicit TxReconciliationTracker(uint32_t recon_version);
    ~TxReconciliationTracker();
 
    uint64_t PreRegisterPeer(NodeId peer_id);
 
    ReconciliationRegisterResult RegisterPeer(NodeId peer_id, bool is_peer_inbound,
                                              uint32_t peer_recon_version, uint64_t remote_salt);
 
    void ForgetPeer(NodeId peer_id);
 
    bool IsPeerRegistered(NodeId peer_id) const;
};
 
#endif // BITCOIN_NODE_TXRECONCILIATION_H