eviction.h

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// Copyright (c) 2022-present 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_EVICTION_H
#define BITCOIN_NODE_EVICTION_H
 
#include <node/connection_types.h>
#include <net_permissions.h>
 
#include <chrono>
#include <cstdint>
#include <optional>
#include <vector>
 
typedef int64_t NodeId;
 
struct NodeEvictionCandidate {
    NodeId id;
    std::chrono::seconds m_connected;
    std::chrono::microseconds m_min_ping_time;
    std::chrono::seconds m_last_block_time;
    std::chrono::seconds m_last_tx_time;
    bool fRelevantServices;
    bool m_relay_txs;
    bool fBloomFilter;
    uint64_t nKeyedNetGroup;
    bool prefer_evict;
    bool m_is_local;
    Network m_network;
    bool m_noban;
    ConnectionType m_conn_type;
};
 
[[nodiscard]] std::optional<NodeId> SelectNodeToEvict(std::vector<NodeEvictionCandidate>&& vEvictionCandidates);
 
void ProtectEvictionCandidatesByRatio(std::vector<NodeEvictionCandidate>& vEvictionCandidates);
 
#endif // BITCOIN_NODE_EVICTION_H