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35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
// Copyright (c) 2017 Pieter Wuille
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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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// Bech32 is a string encoding format used in newer address types.
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// The output consists of a human-readable part (alphanumeric), a
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// separator character (1), and a base32 data section, the last
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// 6 characters of which are a checksum.
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//
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// For more information, see BIP 173.
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#ifndef BITCOIN_BLECH32_H
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#define BITCOIN_BLECH32_H
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#include <stdint.h>
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#include <string>
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#include <vector>
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namespace blech32
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{
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/** Encode a Bech32 string. Returns the empty string in case of failure. */
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std::string Encode(const std::string& hrp, const std::vector<uint8_t>& values);
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/** Decode a Bech32 string. Returns (hrp, data). Empty hrp means failure. */
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std::pair<std::string, std::vector<uint8_t>> Decode(const std::string& str);
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/// Exported for testing.
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uint64_t PolyMod(const std::vector<uint8_t>& v);
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/// Exported for testing.
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std::vector<uint8_t> CreateChecksum(const std::string& hrp, const std::vector<uint8_t>& values);
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} // namespace blech32
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#endif // BITCOIN_BLECH32_H
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