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72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2020 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_ADDRDB_H
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#define BITCOIN_ADDRDB_H
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#include <fs.h>
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#include <net_types.h> // For banmap_t
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#include <univalue.h>
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#include <memory>
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#include <optional>
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#include <vector>
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class ArgsManager;
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class AddrMan;
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class CAddress;
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class CDataStream;
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class NetGroupManager;
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struct bilingual_str;
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bool DumpPeerAddresses(const ArgsManager& args, const AddrMan& addr);
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/** Only used by tests. */
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void ReadFromStream(AddrMan& addr, CDataStream& ssPeers);
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/** Access to the banlist database (banlist.json) */
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class CBanDB
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{
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private:
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/**
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* JSON key under which the data is stored in the json database.
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*/
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static constexpr const char* JSON_KEY = "banned_nets";
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const fs::path m_banlist_dat;
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const fs::path m_banlist_json;
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public:
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explicit CBanDB(fs::path ban_list_path);
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bool Write(const banmap_t& banSet);
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/**
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* Read the banlist from disk.
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* @param[out] banSet The loaded list. Set if `true` is returned, otherwise it is left
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* in an undefined state.
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* @return true on success
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*/
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bool Read(banmap_t& banSet);
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};
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/** Returns an error string on failure */
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std::optional<bilingual_str> LoadAddrman(const NetGroupManager& netgroupman, const ArgsManager& args, std::unique_ptr<AddrMan>& addrman);
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/**
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* Dump the anchor IP address database (anchors.dat)
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*
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* Anchors are last known outgoing block-relay-only peers that are
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* tried to re-connect to on startup.
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*/
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void DumpAnchors(const fs::path& anchors_db_path, const std::vector<CAddress>& anchors);
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/**
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* Read the anchor IP address database (anchors.dat)
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*
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* Deleting anchors.dat is intentional as it avoids renewed peering to anchors after
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* an unclean shutdown and thus potential exploitation of the anchor peer policy.
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*/
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std::vector<CAddress> ReadAnchors(const fs::path& anchors_db_path);
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#endif // BITCOIN_ADDRDB_H
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