jj

Question

jj

ixanl opened this issue 4 years ago · 1 comments

ixanl commented 4 years ago

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

#ifndef BTC_TXREF_CODE_H
#define BTC_TXREF_CODE_H 1

#include <stdint.h>

static const char TXREF_BECH32_HRP_MAINNET[] = "tx";
static const char TXREF_BECH32_HRP_TESTNET[] = "txtest";

#define TXREF_MAGIC_BTC_MAINNET 0x03
#define TXREF_MAGIC_BTC_TESTNET 0x06

/** Encodes a transaction reference
*

Out: *output : Pointer to a buffer of size strlen(hrp) + 21 + 1(0 byte) that

                  will be updated to contain the null-terminated Bech32 string.

In: hrp : Human readable part ("tx" for mainnet, "testtx" for testnet, etc.)

               :  If NULL, mainnet's "tx" will be used

  magic        :  5bit magic that will be place in the inner Bech32 part.

                 (ONLY 5bit magic (0x0 to 0x7) are supported for now)

  block_height :  The block height to encode

  tx_pos       :  The tx position to encode

  non_standard :  If set to 1, the limits for height and txpos are 0x3FFFFFF (height)

                  and 0x3FFFF (pos) and, the output will be 2 chars longer

Returns 1 if successful.
*/
int btc_txref_encode(
char *output,
const char *hrp,
const char magic,
int block_height,
int tx_pos,
int non_standard
);

/** Decodes a transaction reference
*

In: txref_id : Pointer to tx-ref encoded null-terminated Bech32 string.
Out: *hrp : Human readabble part, make sure the buffer you pass in is
at least the size of strlen(txref_id)

  *magic        :  5bit magic (as char) that will contain the used magic during encoding

                   (ONLY 5bit magic (0x0 to 0x7) are supported for now)

  *block_height :  Pointer to integer the will be updated with the decoded block height

  *tx_pos       :  Pointer to integer the will be updated with the decoded tx position

Returns 1 if successful.

int btc_txref_decode(
const char *txref_id,
char *hrp,FULL_FREE_BTC
char *magic,

int *block_height,
int *tx_pos

);

#endif // BTC_TXREF_CODE_H

Answer 1 · 2021-03-18T12:08:07.000Z

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.
*/

#ifndef BTC_TXREF_CODE_H
#define BTC_TXREF_CODE_H 1

#include <stdint.h>

static const char TXREF_BECH32_HRP_MAINNET[] = "tx";
static const char TXREF_BECH32_HRP_TESTNET[] = "txtest";

#define TXREF_MAGIC_BTC_MAINNET 0x03
#define TXREF_MAGIC_BTC_TESTNET 0x06

/** Encodes a transaction reference
*
Out: *output : Pointer to a buffer of size strlen(hrp) + 21 + 1(0 byte) that
                  will be updated to contain the null-terminated Bech32 string.
In: hrp : Human readable part ("tx" for mainnet, "testtx" for testnet, etc.)
               :  If NULL, mainnet's "tx" will be used
  magic        :  5bit magic that will be place in the inner Bech32 part.
                 (ONLY 5bit magic (0x0 to 0x7) are supported for now)
  block_height :  The block height to encode
  tx_pos       :  The tx position to encode
  non_standard :  If set to 1, the limits for height and txpos are 0x3FFFFFF (height)
                  and 0x3FFFF (pos) and, the output will be 2 chars longer
Returns 1 if successful.
*/
int btc_txref_encode(
char *output,
const char *hrp,
const char magic,
int block_height,
int tx_pos,
int non_standard
);
/** Decodes a transaction reference
*
In: txref_id : Pointer to tx-ref encoded null-terminated Bech32 string.

Out: *hrp : Human readabble part, make sure the buffer you pass in is
at least the size of strlen(txref_id)
  *magic        :  5bit magic (as char) that will contain the used magic during encoding
                   (ONLY 5bit magic (0x0 to 0x7) are supported for now)
  *block_height :  Pointer to integer the will be updated with the decoded block height
  *tx_pos       :  Pointer to integer the will be updated with the decoded tx position
Returns 1 if successful.
int btc_txref_decode(
const char *txref_id,
char *hrp,FULL_FREE_BTC
char *magic,
int *block_height,
int *tx_pos
);

#endif // BTC_TXREF_CODE_H