int deserialize_varint(struct buff *buf, uint64 *val) {
int res;
uint8 c;
res = deserialize_uint8(buf, &c);
if (res) {
return res;
}
if (c < 253) {
*val = c;
} else if (c == 253) {
uint16 len16 = 0;
res = deserialize_uint16(buf, &len16);
*val = len16;
} else if (c == 254) {
uint32 len32 = 0;
res = deserialize_uint32(buf, &len32);
*val = len32;
} else {
uint64 len64 = 0;
res = deserialize_uint64(buf, &len64);
*val = len64;
}
return res;
}
int deserialize_version(struct buff *buf, btc_msg_version *v) {
int res;
memset(v, 0, sizeof *v);
res = deserialize_uint32(buf, &v->version);
res |= deserialize_uint64(buf, &v->services);
res |= deserialize_uint64(buf, &v->time);
res |= deserialize_addr(BTC_PROTO_MIN, buf, &v->addrTo);
res |= deserialize_addr(BTC_PROTO_MIN, buf, &v->addrFrom);
res |= deserialize_uint64(buf, &v->nonce);
res |= deserialize_str(buf, v->strVersion, sizeof v->strVersion);
res |= deserialize_uint32(buf, &v->startingHeight);
if (v->version >= BTC_PROTO_FILTERING && buff_space_left(buf) > 0) {
res |= deserialize_uint8(buf, &v->relayTx);
} else {
v->relayTx = 1;
}
ASSERT(buff_space_left(buf) == 0);
return res;
}
int deserialize_addr(uint32 protversion, struct buff *buf,
btc_msg_address *addr) {
int res = 0;
addr->time = 0;
if (protversion >= BTC_PROTO_ADDR_W_TIME) {
res = deserialize_uint32(buf, &addr->time);
}
res |= deserialize_uint64(buf, &addr->services);
res |= deserialize_bytes(buf, addr->ip, ARRAYSIZE(addr->ip));
res |= deserialize_uint16(buf, &addr->port);
return res;
}
int deserialize_tx(struct buff *buf, btc_msg_tx *tx) {
uint64 i;
int res;
res = deserialize_uint32(buf, &tx->version);
res |= deserialize_varint(buf, &tx->in_count);
tx->tx_in = safe_malloc(tx->in_count * sizeof *tx->tx_in);
for (i = 0; i < tx->in_count; i++) {
res |= deserialize_uint256(buf, &tx->tx_in[i].prevTxHash);
res |= deserialize_uint32(buf, &tx->tx_in[i].prevTxOutIdx);
res |= deserialize_varint(buf, &tx->tx_in[i].scriptLength);
tx->tx_in[i].scriptSig = safe_malloc(tx->tx_in[i].scriptLength);
res |= deserialize_bytes(buf, tx->tx_in[i].scriptSig,
tx->tx_in[i].scriptLength);
res |= deserialize_uint32(buf, &tx->tx_in[i].sequence);
}
res |= deserialize_varint(buf, &tx->out_count);
tx->tx_out = safe_malloc(tx->out_count * sizeof *tx->tx_out);
for (i = 0; i < tx->out_count; i++) {
res |= deserialize_uint64(buf, &tx->tx_out[i].value);
res |= deserialize_varint(buf, &tx->tx_out[i].scriptLength);
tx->tx_out[i].scriptPubKey = safe_malloc(tx->tx_out[i].scriptLength);
res |= deserialize_bytes(buf, tx->tx_out[i].scriptPubKey,
tx->tx_out[i].scriptLength);
}
res |= deserialize_uint32(buf, &tx->lock_time);
ASSERT_NOT_TESTED(buff_space_left(buf) == 0);
return res;
}
static struct tx_ser_data *
txdb_deserialize_tx_data(const void *val,
size_t vlen)
{
struct tx_ser_data *tx;
struct buff buf;
ASSERT(val);
buff_init(&buf, (void *)val, vlen);
tx = safe_malloc(sizeof *tx);
deserialize_uint256(&buf, &tx->blkHash);
deserialize_uint64(&buf, &tx->timestamp);
deserialize_varint(&buf, &tx->len);
tx->buf = safe_calloc(1, tx->len + 1);
deserialize_bytes(&buf, tx->buf, tx->len);
ASSERT(buff_space_left(&buf) == 0);
return tx;
}
