static void read_blocks(void)
{
int fd = blocks_fd;
struct p2p_message msg = {};
bool read_ok = true;
int64_t fpos = 0;
while (fread_message(fd, &msg, &read_ok)) {
if (memcmp(msg.hdr.netmagic, chain->netmagic, 4)) {
fprintf(plog, "blocks file: invalid network magic\n");
exit(1);
}
if (!read_block_msg(&msg, fpos))
exit(1);
fpos += P2P_HDR_SZ;
fpos += msg.hdr.data_len;
}
if (!read_ok) {
fprintf(plog, "blocks file: read failed\n");
exit(1);
}
free(msg.data);
}
static void runtest(bool use_testnet, const char *blocks_fn)
{
const struct chain_info *chain =
&chain_metadata[use_testnet ? CHAIN_TESTNET3 : CHAIN_BITCOIN];
struct blkdb blkdb;
bu256_t blk0;
hex_bu256(&blk0, chain->genesis_hash);
assert(blkdb_init(&blkdb, chain->netmagic, &blk0) == true);
struct bp_utxo_set uset;
bp_utxo_set_init(&uset);
fprintf(stderr, "chain-verf: validating %s chainfile %s\n",
use_testnet ? "testnet3" : "mainnet",
blocks_fn);
int fd = open(blocks_fn, O_RDONLY);
if (fd < 0) {
perror(blocks_fn);
assert(fd >= 0);
}
#if _XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L
posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL);
#endif
struct p2p_message msg = {};
bool read_ok = true;
int64_t fpos = 0;
unsigned int records = 0;
while (fread_message(fd, &msg, &read_ok)) {
assert(memcmp(msg.hdr.netmagic, chain->netmagic, 4) == 0);
read_test_msg(&blkdb, &uset, &msg, fpos);
fpos += P2P_HDR_SZ;
fpos += msg.hdr.data_len;
records++;
}
assert(read_ok == true);
close(fd);
free(msg.data);
blkdb_free(&blkdb);
bp_utxo_set_free(&uset);
fprintf(stderr, "chain-verf: %u records validated\n", records);
}
struct peer_manager *peerman_read(void *peers_file)
{
char *filename = peers_file;
if (!filename)
return NULL;
struct peer_manager *peers;
peers = peerman_new();
if (!peers)
return NULL;
int fd = file_seq_open(filename);
if (fd < 0) {
log_error("peerman: %s: %s",
filename,
strerror(errno));
goto err_out;
}
struct p2p_message msg = {};
bool read_ok = true;
while (fread_message(fd, &msg, &read_ok)) {
if (!peerman_read_rec(peers, &msg)) {
log_error("peerman: read record failed");
goto err_out_fd;
}
}
if (!read_ok) {
log_error("peerman: read I/O failed");
goto err_out_fd;
}
free(msg.data);
close(fd);
return peers;
err_out_fd:
free(msg.data);
close(fd);
err_out:
peerman_free(peers);
return NULL;
}
struct peer_manager *peerman_read(void)
{
char *filename = setting("peers");
if (!filename)
return NULL;
struct peer_manager *peers;
peers = peerman_new();
if (!peers)
return NULL;
int fd = file_seq_open(filename);
if (fd < 0) {
perror(filename);
goto err_out;
}
struct p2p_message msg = {};
bool read_ok = true;
while (fread_message(fd, &msg, &read_ok)) {
if (!peerman_read_rec(peers, &msg)) {
fprintf(stderr, "peerman: read record failed\n");
goto err_out;
}
}
if (!read_ok) {
fprintf(stderr, "peerman: read I/O failed\n");
goto err_out;
}
free(msg.data);
close(fd);
return peers;
err_out:
peerman_free(peers);
return NULL;
}
static void runtest(const char *ser_fn_base)
{
char *ser_fn = test_filename(ser_fn_base);
int fd = file_seq_open(ser_fn);
if (fd < 0) {
perror(ser_fn);
exit(1);
}
struct p2p_message msg = {};
bool read_ok = false;
bool rc = fread_message(fd, &msg, &read_ok);
assert(rc);
assert(read_ok);
assert(!strncmp(msg.hdr.command, "block", 12));
close(fd);
struct bitc_block block;
bitc_block_init(&block);
struct const_buffer buf = { msg.data, msg.hdr.data_len };
rc = deser_bitc_block(&block, &buf);
assert(rc);
unsigned int n_tx, n_out;
for (n_tx = 0; n_tx < block.vtx->len; n_tx++) {
struct bitc_tx *tx = parr_idx(block.vtx, n_tx);
for (n_out = 0; n_out < tx->vout->len; n_out++) {
struct bitc_txout *txout;
txout = parr_idx(tx->vout, n_out);
test_txout(txout);
}
}
bitc_block_free(&block);
free(msg.data);
free(ser_fn);
}
bool blkdb_read(struct blkdb *db, const char *idx_fn)
{
bool rc = true;
int fd = file_seq_open(idx_fn);
if (fd < 0)
return false;
struct p2p_message msg;
memset(&msg, 0, sizeof(msg));
bool read_ok = true;
while (fread_message(fd, &msg, &read_ok)) {
rc = blkdb_read_rec(db, &msg);
if (!rc)
break;
}
close(fd);
free(msg.data);
return read_ok && rc;
}
static void runtest(const char *json_fn_base, const char *ser_fn_base)
{
char *fn = test_filename(json_fn_base);
json_t *meta = read_json(fn);
assert(json_is_object(meta));
char *ser_fn = test_filename(ser_fn_base);
int fd = file_seq_open(ser_fn);
if (fd < 0) {
perror(ser_fn);
exit(1);
}
struct p2p_message msg = {};
bool read_ok = false;
bool rc = fread_message(fd, &msg, &read_ok);
assert(rc);
assert(read_ok);
assert(!strncmp(msg.hdr.command, "block", 12));
close(fd);
const char *hashstr = json_string_value(json_object_get(meta, "hash"));
assert(hashstr != NULL);
unsigned int size = json_integer_value(json_object_get(meta, "size"));
assert((24 + msg.hdr.data_len) == size);
struct bp_block block;
bp_block_init(&block);
struct const_buffer buf = { msg.data, msg.hdr.data_len };
rc = deser_bp_block(&block, &buf);
assert(rc);
cstring *gs = cstr_new_sz(100000);
ser_bp_block(gs, &block);
if (gs->len != msg.hdr.data_len) {
fprintf(stderr, "gs->len %ld, msg.hdr.data_len %u\n",
(long)gs->len, msg.hdr.data_len);
assert(gs->len == msg.hdr.data_len);
}
assert(memcmp(gs->str, msg.data, msg.hdr.data_len) == 0);
bp_block_calc_sha256(&block);
char hexstr[BU256_STRSZ];
bu256_hex(hexstr, &block.sha256);
if (strcmp(hexstr, hashstr)) {
fprintf(stderr, "block: wanted hash %s,\n got hash %s\n",
hashstr, hexstr);
assert(!strcmp(hexstr, hashstr));
}
rc = bp_block_valid(&block);
assert(rc);
bp_block_free(&block);
cstr_free(gs, true);
free(msg.data);
free(fn);
free(ser_fn);
json_decref(meta);
}