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25 lines
727 B
C++
25 lines
727 B
C++
// Copyright (c) 2009-present 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_CRYPTO_HEX_BASE_H
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#define BITCOIN_CRYPTO_HEX_BASE_H
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#include <span.h>
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#include <cstddef>
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#include <cstdint>
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#include <span>
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#include <string>
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/**
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* Convert a span of bytes to a lower-case hexadecimal string.
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*/
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std::string HexStr(std::span<const uint8_t> s);
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inline std::string HexStr(std::span<const char> s) { return HexStr(MakeUCharSpan(s)); }
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inline std::string HexStr(std::span<const std::byte> s) { return HexStr(MakeUCharSpan(s)); }
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signed char HexDigit(char c);
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#endif // BITCOIN_CRYPTO_HEX_BASE_H
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