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type_to_string: add secp256k1_pubkey

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell
2017-01-25 10:02:43 +10:30
parent 66175c7361
commit a25e2816e9
3 changed files with 17 additions and 0 deletions
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12
bitcoin/pubkey.c
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@@ -62,6 +62,18 @@ char *pubkey_to_hexstr(const tal_t *ctx, const struct pubkey *key)
return tal_hexstr(ctx, der, sizeof(der));
}
char *secp256k1_pubkey_to_hexstr(const tal_t *ctx, const secp256k1_pubkey *key)
{
unsigned char der[PUBKEY_DER_LEN];
size_t outlen = sizeof(der);
if (!secp256k1_ec_pubkey_serialize(secp256k1_ctx, der, &outlen, key,
SECP256K1_EC_COMPRESSED))
abort();
assert(outlen == sizeof(der));
return tal_hexstr(ctx, der, sizeof(der));
}
REGISTER_TYPE_TO_STRING(secp256k1_pubkey, secp256k1_pubkey_to_hexstr);
bool pubkey_eq(const struct pubkey *a, const struct pubkey *b)
{
return structeq(&a->pubkey, &b->pubkey);