static void runtest(const char *json_base_fn, const char *ser_in_fn,
const char *block_in_hash, const char *tx_in_hash)
{
/* read wallet data */
char *json_fn = test_filename(json_base_fn);
json_t *wallet = read_json(json_fn);
assert(wallet != NULL);
/* read block data containing incoming payment */
char *fn = test_filename(ser_in_fn);
void *data;
size_t data_len;
assert(bu_read_file(fn, &data, &data_len, 1 * 1024 * 1024) == true);
struct bp_block block_in;
bp_block_init(&block_in);
struct const_buffer buf = { data, data_len };
assert(deser_bp_block(&block_in, &buf) == true);
bp_block_calc_sha256(&block_in);
/* verify block-in data matches expected block-in hash */
bu256_t check_hash;
assert(hex_bu256(&check_hash, block_in_hash) == true);
assert(bu256_equal(&block_in.sha256, &check_hash) == true);
/* load key that has received an incoming payment */
struct bp_key key;
assert(bp_key_init(&key) == true);
load_json_key(wallet, &key);
/* load key into keyset */
struct bp_keyset ks;
bpks_init(&ks);
assert(bpks_add(&ks, &key) == true);
/* find key matches in block */
parr *matches;
matches = bp_block_match(&block_in, &ks);
assert(matches != NULL);
assert(matches->len == 1);
struct bp_block_match *match = parr_idx(matches, 0);
assert(match->n == 1); /* match 2nd tx, index 1 */
/* get matching transaction */
struct bp_tx *tx = parr_idx(block_in.vtx, match->n);
bp_tx_calc_sha256(tx);
/* verify txid matches expected */
char tx_hexstr[BU256_STRSZ];
bu256_hex(tx_hexstr, &tx->sha256);
assert(strcmp(tx_hexstr, tx_in_hash) == 0);
/* verify mask matches 2nd txout (1 << 1) */
BIGNUM tmp_mask;
BN_init(&tmp_mask);
BN_one(&tmp_mask);
BN_lshift(&tmp_mask, &tmp_mask, 1);
assert(BN_cmp(&tmp_mask, &match->mask) == 0);
/* build merkle tree, tx's branch */
parr *mtree = bp_block_merkle_tree(&block_in);
assert(mtree != NULL);
parr *mbranch = bp_block_merkle_branch(&block_in, mtree, match->n);
assert(mbranch != NULL);
/* verify merkle branch for tx matches expected */
bu256_t mrk_check;
bp_check_merkle_branch(&mrk_check, &tx->sha256, mbranch, match->n);
assert(bu256_equal(&mrk_check, &block_in.hashMerkleRoot) == true);
/* release resources */
parr_free(mtree, true);
parr_free(mbranch, true);
BN_clear_free(&tmp_mask);
parr_free(matches, true);
bpks_free(&ks);
bp_key_free(&key);
bp_block_free(&block_in);
json_decref(wallet);
free(data);
free(fn);
free(json_fn);
}
static void runtest(void)
{
unsigned int i;
struct bp_key keys[4];
/* generate keys */
for (i = 0; i < ARRAY_SIZE(keys); i++) {
struct bp_key *key = &keys[i];
assert(bp_key_init(key) == true);
assert(bp_key_generate(key) == true);
}
struct bp_keyset ks;
bpks_init(&ks);
/* add all but one to keyset */
for (i = 0; i < (ARRAY_SIZE(keys) - 1); i++)
assert(bpks_add(&ks, &keys[i]) == true);
/* verify all-but-one are in keyset */
for (i = 0; i < (ARRAY_SIZE(keys) - 1); i++) {
unsigned char md160[RIPEMD160_DIGEST_LENGTH];
void *pubkey;
size_t pklen;
assert(bp_pubkey_get(&keys[i], &pubkey, &pklen) == true);
bu_Hash160(md160, pubkey, pklen);
assert(bpks_lookup(&ks, pubkey, pklen, true) == false);
assert(bpks_lookup(&ks, pubkey, pklen, false) == true);
assert(bpks_lookup(&ks, md160, sizeof(md160), true) == true);
assert(bpks_lookup(&ks, md160, sizeof(md160), false) == false);
free(pubkey);
}
/* verify last key not in keyset */
{
unsigned char md160[RIPEMD160_DIGEST_LENGTH];
void *pubkey;
size_t pklen;
struct bp_key *key = &keys[ARRAY_SIZE(keys) - 1];
assert(bp_pubkey_get(key, &pubkey, &pklen) == true);
bu_Hash160(md160, pubkey, pklen);
assert(bpks_lookup(&ks, pubkey, pklen, true) == false);
assert(bpks_lookup(&ks, pubkey, pklen, false) == false);
assert(bpks_lookup(&ks, md160, sizeof(md160), true) == false);
assert(bpks_lookup(&ks, md160, sizeof(md160), false) == false);
free(pubkey);
}
bpks_free(&ks);
for (i = 0; i < ARRAY_SIZE(keys); i++) {
struct bp_key *key = &keys[i];
bp_key_free(key);
}
}