uint256radixkey.h

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// Copyright (c) 2022 The Bitcoin developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_UINT256RADIXKEY_H
#define BITCOIN_UINT256RADIXKEY_H
 
#include <arith_uint256.h>
 
#include <cstdint>
 
class uint256;
 
struct Uint256RadixKey {
    arith_uint256 base;
 
    Uint256RadixKey(const uint256 &keyIn) : base(UintToArith256(keyIn)) {}
    Uint256RadixKey(const base_uint<256> &keyIn) : base(keyIn) {}
 
    Uint256RadixKey operator>>(uint32_t shift) const { return base >> shift; }
    Uint256RadixKey operator&(const Uint256RadixKey &mask) const {
        return base & mask.base;
    }
    operator size_t() const { return size_t(base.GetLow64()); }
};
 
// The radix tree relies on sizeof to gather the bit length of the key
static_assert(sizeof(Uint256RadixKey) == 32,
              "Uint256RadixKey key size should be 256 bits");
 
#endif // BITCOIN_UINT256RADIXKEY_H