void receive_history_result(const data_chunk& data,
blockchain::fetch_handler_history handle_fetch)
{
BITCOIN_ASSERT(data.size() >= 4);
std::error_code ec;
auto deserial = make_deserializer(data.begin(), data.end());
if (!read_error_code(deserial, data.size(), ec))
return;
BITCOIN_ASSERT(deserial.iterator() == data.begin() + 4);
size_t row_size = 36 + 4 + 8 + 36 + 4;
if ((data.size() - 4) % row_size != 0)
{
log_error() << "Malformed response for *.fetch_history";
return;
}
size_t number_rows = (data.size() - 4) / row_size;
blockchain::history_list history(number_rows);
for (size_t i = 0; i < history.size(); ++i)
{
blockchain::history_row& row = history[i];
row.output.hash = deserial.read_hash();
row.output.index = deserial.read_4_bytes();
row.output_height = deserial.read_4_bytes();
row.value = deserial.read_8_bytes();
row.spend.hash = deserial.read_hash();
row.spend.index = deserial.read_4_bytes();
row.spend_height = deserial.read_4_bytes();
}
BITCOIN_ASSERT(deserial.iterator() == data.end());
handle_fetch(ec, history);
}
void receive_transaction_result(const data_chunk& data,
blockchain::fetch_handler_transaction handle_fetch)
{
std::error_code ec;
auto deserial = make_deserializer(data.begin(), data.end());
if (!read_error_code(deserial, data.size(), ec))
return;
BITCOIN_ASSERT(deserial.iterator() == data.begin() + 4);
transaction_type tx;
satoshi_load(deserial.iterator(), data.end(), tx);
handle_fetch(ec, tx);
}
static ssize_t write_rwbuf_command(const struct iio_device *dev,
const char *cmd, bool do_exec)
{
struct iio_device_pdata *pdata = dev->pdata;
int fd = pdata->fd;
if (pdata->wait_for_err_code) {
ssize_t ret = read_error_code(fd);
pdata->wait_for_err_code = false;
if (ret < 0)
return ret;
}
return do_exec ? exec_command(cmd, fd) : write_command(cmd, fd);
}
