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       1                 :            : // Copyright (c) 2019-2021 The Bitcoin Core developers
       2                 :            : // Distributed under the MIT software license, see the accompanying
       3                 :            : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4                 :            : 
       5                 :            : #include <core_io.h>
       6                 :            : #include <primitives/block.h>
       7                 :            : #include <pubkey.h>
       8                 :            : #include <rpc/util.h>
       9                 :            : #include <test/fuzz/fuzz.h>
      10                 :            : #include <uint256.h>
      11                 :            : #include <univalue.h>
      12                 :            : #include <util/strencodings.h>
      13                 :            : 
      14                 :            : #include <cassert>
      15                 :            : #include <cstdint>
      16                 :            : #include <string>
      17         [ +  - ]:          2 : #include <vector>
      18         [ +  - ]:          2 : 
      19 [ +  - ][ +  - ]:          6 : FUZZ_TARGET(hex)
      20                 :            : {
      21         [ #  # ]:          0 :     const std::string random_hex_string(buffer.begin(), buffer.end());
      22         [ #  # ]:          0 :     const std::vector<unsigned char> data = ParseHex(random_hex_string);
      23         [ #  # ]:          0 :     const std::vector<std::byte> bytes{ParseHex<std::byte>(random_hex_string)};
      24 [ #  # ][ #  # ]:          0 :     assert(AsBytes(Span{data}) == Span{bytes});
                 [ #  # ]
      25 [ #  # ][ #  # ]:          2 :     const std::string hex_data = HexStr(data);
      26 [ #  # ][ #  # ]:          0 :     if (IsHex(random_hex_string)) {
      27 [ #  # ][ #  # ]:          2 :         assert(ToLower(random_hex_string) == hex_data);
      28                 :          0 :     }
      29         [ #  # ]:          0 :     (void)IsHexNumber(random_hex_string);
      30         [ #  # ]:          0 :     uint256 result;
      31         [ #  # ]:          0 :     (void)ParseHashStr(random_hex_string, result);
      32         [ #  # ]:          0 :     (void)uint256S(random_hex_string);
      33                 :            :     try {
      34         [ #  # ]:          0 :         (void)HexToPubKey(random_hex_string);
      35         [ #  # ]:          0 :     } catch (const UniValue&) {
      36         [ #  # ]:          0 :     }
      37         [ #  # ]:          0 :     CBlockHeader block_header;
      38         [ #  # ]:          0 :     (void)DecodeHexBlockHeader(block_header, random_hex_string);
      39         [ #  # ]:          0 :     CBlock block;
      40         [ #  # ]:          0 :     (void)DecodeHexBlk(block, random_hex_string);
      41                 :          0 : }