libbitcoinkernel-sys-covenants 0.0.22

Raw Rust bindings to libbitcoinkernel with added covenant op_codes
Documentation 
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// Copyright (c) 2009-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_CRYPTO_HEX_BASE_H
#define BITCOIN_CRYPTO_HEX_BASE_H

#include <span.h>

#include <cstddef>
#include <cstdint>
#include <string>

/**
 * Convert a span of bytes to a lower-case hexadecimal string.
 */
std::string HexStr(const std::span<const uint8_t> s);
inline std::string HexStr(const std::span<const char> s) { return HexStr(MakeUCharSpan(s)); }
inline std::string HexStr(const std::span<const std::byte> s) { return HexStr(MakeUCharSpan(s)); }

signed char HexDigit(char c);

#endif // BITCOIN_CRYPTO_HEX_BASE_H