63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/* Copyright (c) 2017, 2021 Pieter Wuille
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef _SEGWIT_ADDR_H_
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#define _SEGWIT_ADDR_H_ 1
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#include <stdint.h>
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enum bech32_err {
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BECH32_ERR_SUCCESS = 0,
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BECH32_ERR_BUFFER_TOO_SMALL,
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BECH32_ERR_INPUT_TOO_SMALL,
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BECH32_ERR_INVALID_INPUT,
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BECH32_ERR_MIXED_CASE,
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BECH32_ERR_BROKEN_CHECKSUM,
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};
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/** Supported encodings. */
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enum bech32_encoding {
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BECH32_ENCODING_BECH32 = 1,
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BECH32_ENCODING_BECH32M = 0x2bc830a3,
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};
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/** Encode a Bech32 or Bech32m string
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*
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* Out: output: Pointer to a buffer of size strlen(hrp) + data_len + 8 that
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* will be updated to contain the null-terminated Bech32 string.
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* In: hrp : Pointer to the null-terminated human readable part.
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* data : Pointer to an array of 5-bit values.
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* data_len: Length of the data array.
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* enc: Which encoding to use (BECH32_ENCODING_BECH32{,M}).
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* Returns 1 if successful.
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*/
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int bech32_encode(
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char *output,
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const char *hrp,
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const uint8_t *data,
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size_t data_len,
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enum bech32_encoding enc
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);
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enum bech32_err bech32_decode(char* hrp, size_t hrplen, uint8_t *decoded, size_t decoded_len, size_t *decoded_len_out, const char *input, enum bech32_encoding *enc_out);
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#endif
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