// Copyright (c) 2019-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_SCRIPT_KEYORIGIN_H

#define BITCOIN_SCRIPT_KEYORIGIN_H

#include <pubkey.h>

#include <serialize.h>

#include <vector>

struct KeyOriginInfo

{

    KeyFingerprint fingerprint; //!< First 32 bits of the Hash160 of the public key at the root of the path

    std::vector<uint32_t> path;

    friend bool operator==(const KeyOriginInfo& a, const KeyOriginInfo& b) = default;

    friend bool operator<(const KeyOriginInfo& a, const KeyOriginInfo& b)

    {

        // Compare the fingerprints lexicographically

        if (a.fingerprint < b.fingerprint) return true;

        else if (a.fingerprint > b.fingerprint) return false;

        // Compare the sizes of the paths, shorter is "less than"

        if (a.path.size() < b.path.size()) {

            return true;

        } else if (a.path.size() > b.path.size()) {

            return false;

        }

        // Paths same length, compare them lexicographically

        return a.path < b.path;

    }

    SERIALIZE_METHODS(KeyOriginInfo, obj) { READWRITE(obj.fingerprint, obj.path); }

void KeyOriginInfo::SerializationOps<DataStream, KeyOriginInfo, ActionUnserialize>(KeyOriginInfo&, DataStream&, ActionUnserialize)

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    SERIALIZE_METHODS(KeyOriginInfo, obj) { READWRITE(obj.fingerprint, obj.path); }

Unexecuted instantiation: void KeyOriginInfo::SerializationOps<DataStream, KeyOriginInfo const, ActionSerialize>(KeyOriginInfo const&, DataStream&, ActionSerialize)

    void clear()

    {

        fingerprint.fill(0);

        path.clear();

    }

};

#endif // BITCOIN_SCRIPT_KEYORIGIN_H