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       1                 :            : // Copyright (c) 2019-2022 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 <test/fuzz/fuzz.h>
       6                 :            : 
       7                 :            : #include <base58.h>
       8                 :            : #include <psbt.h>
       9                 :            : #include <util/strencodings.h>
      10                 :            : #include <util/string.h>
      11                 :            : 
      12                 :            : #include <cassert>
      13                 :            : #include <cstdint>
      14                 :            : #include <string>
      15                 :            : #include <vector>
      16                 :            : 
      17 [ +  - ][ +  - ]:          6 : FUZZ_TARGET(base_encode_decode)
      18                 :            : {
      19         [ #  # ]:          0 :     const std::string random_encoded_string(buffer.begin(), buffer.end());
      20                 :            : 
      21                 :          0 :     std::vector<unsigned char> decoded;
      22 [ #  # ][ #  # ]:          0 :     if (DecodeBase58(random_encoded_string, decoded, 100)) {
      23 [ #  # ][ #  # ]:          0 :         const std::string encoded_string = EncodeBase58(decoded);
      24 [ #  # ][ #  # ]:          0 :         assert(encoded_string == TrimStringView(encoded_string));
      25 [ #  # ][ #  # ]:          0 :         assert(ToLower(encoded_string) == ToLower(TrimString(random_encoded_string)));
         [ #  # ][ #  # ]
      26                 :          0 :     }
      27                 :          2 : 
      28 [ #  # ][ #  # ]:          0 :     if (DecodeBase58Check(random_encoded_string, decoded, 100)) {
      29 [ #  # ][ #  # ]:          0 :         const std::string encoded_string = EncodeBase58Check(decoded);
      30 [ #  # ][ #  # ]:          2 :         assert(encoded_string == TrimString(encoded_string));
      31 [ #  # ][ #  # ]:          0 :         assert(ToLower(encoded_string) == ToLower(TrimString(random_encoded_string)));
         [ #  # ][ #  # ]
      32                 :          0 :     }
      33                 :            : 
      34         [ #  # ]:          0 :     auto result = DecodeBase32(random_encoded_string);
      35         [ #  # ]:          0 :     if (result) {
      36 [ #  # ][ #  # ]:          0 :         const std::string encoded_string = EncodeBase32(*result);
      37 [ #  # ][ #  # ]:          0 :         assert(encoded_string == TrimStringView(encoded_string));
      38 [ #  # ][ #  # ]:          0 :         assert(ToLower(encoded_string) == ToLower(TrimString(random_encoded_string)));
         [ #  # ][ #  # ]
      39                 :          0 :     }
      40                 :            : 
      41         [ #  # ]:          0 :     result = DecodeBase64(random_encoded_string);
      42         [ #  # ]:          0 :     if (result) {
      43 [ #  # ][ #  # ]:          0 :         const std::string encoded_string = EncodeBase64(*result);
      44 [ #  # ][ #  # ]:          0 :         assert(encoded_string == TrimString(encoded_string));
      45 [ #  # ][ #  # ]:          0 :         assert(ToLower(encoded_string) == ToLower(TrimString(random_encoded_string)));
         [ #  # ][ #  # ]
      46                 :          0 :     }
      47                 :            : 
      48         [ #  # ]:          0 :     PartiallySignedTransaction psbt;
      49                 :          0 :     std::string error;
      50         [ #  # ]:          0 :     (void)DecodeBase64PSBT(psbt, random_encoded_string, error);
      51                 :          0 : }