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devtools/encodeaddr: tool to create regtest bech32m vectors.

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The test vectors in BIP-320 are for different networks.  Write a quick
tool to turn them into regtest ones.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2021-06-09 12:39:56 +09:30
parent 4cc3eaf79c
commit 8d38050aa4
2 changed files with 45 additions and 1 deletions
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42
devtools/encodeaddr.c Normal file
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#include "config.h"
#include <assert.h>
#include <ccan/short_types/short_types.h>
#include <common/bech32.h>
#include <common/utils.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
static void test_enc(const char *hrp, const char *hex)
{
u8 *val;
bool ok;
u8 ver;
char *out;
val = tal_hexdata(NULL, hex, strlen(hex));
assert(val);
out = tal_arr(NULL, char, 73 + strlen(hrp));
/* First byte is version */
ver = (val[0] == 0 ? 0 : val[0] - 0x50);
/* Second byte is OP_PUSH */
assert(val[1] == tal_bytelen(val) - 2);
ok = segwit_addr_encode(out, hrp, ver, val+2, tal_bytelen(val)-2);
assert(ok);
printf("%s\n", out);
}
int main(int argc, char *argv[])
{
const char *hrp = argv[1];
setup_locale();
test_enc(hrp ?: "bc", "0014751e76e8199196d454941c45d1b3a323f1433bd6");
test_enc(hrp ?: "tb", "00201863143c14c5166804bd19203356da136c985678cd4d27a1b8c6329604903262");
test_enc(hrp ?: "bc", "5128751e76e8199196d454941c45d1b3a323f1433bd6751e76e8199196d454941c45d1b3a323f1433bd6");
test_enc(hrp ?: "bc", "6002751e");
test_enc(hrp ?: "bc", "5210751e76e8199196d454941c45d1b3a323");
test_enc(hrp ?: "tb", "0020000000c4a5cad46221b2a187905e5266362b99d5e91c6ce24d165dab93e86433");
test_enc(hrp ?: "tb", "5120000000c4a5cad46221b2a187905e5266362b99d5e91c6ce24d165dab93e86433");
test_enc(hrp ?: "bc", "512079be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798");
}