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musig: add pubkey_get to obtain a full pubkey from a keyagg_cache

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Jonas Nick
2021-10-25 21:57:30 +00:00
parent 21e2d65b79
commit c519b46879
3 changed files with 42 additions and 0 deletions
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10
src/modules/musig/tests_impl.h
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@@ -140,6 +140,7 @@ void musig_api_tests(secp256k1_scratch_space *scratch) {
unsigned char aggnonce_ser[66];
unsigned char msg[32];
secp256k1_xonly_pubkey agg_pk;
secp256k1_pubkey full_agg_pk;
secp256k1_musig_keyagg_cache keyagg_cache;
secp256k1_musig_keyagg_cache invalid_keyagg_cache;
secp256k1_musig_session session;
@@ -243,6 +244,15 @@ void musig_api_tests(secp256k1_scratch_space *scratch) {
CHECK(secp256k1_musig_pubkey_agg(sign, scratch, &agg_pk, &keyagg_cache, pk_ptr, 2) == 1);
CHECK(secp256k1_musig_pubkey_agg(vrfy, scratch, &agg_pk, &keyagg_cache, pk_ptr, 2) == 1);
/* pubkey_get */
ecount = 0;
CHECK(secp256k1_musig_pubkey_get(none, &full_agg_pk, &keyagg_cache) == 1);
CHECK(secp256k1_musig_pubkey_get(none, NULL, &keyagg_cache) == 0);
CHECK(ecount == 1);
CHECK(secp256k1_musig_pubkey_get(none, &full_agg_pk, NULL) == 0);
CHECK(ecount == 2);
CHECK(secp256k1_memcmp_var(&full_agg_pk, zeros68, sizeof(full_agg_pk)) == 0);
/** Tweaking **/
ecount = 0;
{