function place_order($have_amount_disp, $have_currency, $want_amount_disp, $want_currency)
{
global $is_logged_in;
$have_currency = strtoupper($have_currency);
$want_currency = strtoupper($want_currency);
curr_supported_check($have_currency);
curr_supported_check($want_currency);
// convert for inclusion into database
$have_amount = numstr_to_internal($have_amount_disp);
$want_amount = numstr_to_internal($want_amount_disp);
if ($have_currency == 'BTC') {
order_worthwhile_check($have_amount, $have_amount_disp, $have_currency, MINIMUM_BTC_AMOUNT);
order_worthwhile_check($want_amount, $want_amount_disp, $want_currency, MINIMUM_FIAT_AMOUNT);
} else {
order_worthwhile_check($have_amount, $have_amount_disp, $have_currency, MINIMUM_FIAT_AMOUNT);
order_worthwhile_check($want_amount, $want_amount_disp, $want_currency, MINIMUM_BTC_AMOUNT);
}
enough_money_check($have_amount, $have_currency);
do_query("START TRANSACTION");
// deduct money from their account
deduct_funds($have_amount, $have_currency);
// add the money to the order book
$query = "\n INSERT INTO orderbook (\n uid,\n initial_amount,\n amount,\n type,\n initial_want_amount,\n want_amount,\n want_type)\n VALUES (\n '{$is_logged_in}',\n '{$have_amount}',\n '{$have_amount}',\n '{$have_currency}',\n '{$want_amount}',\n '{$want_amount}',\n '{$want_currency}');\n ";
$result = do_query($query);
$orderid = mysql_insert_id();
do_query("COMMIT");
return $orderid;
}
function do_withdraw($amount_disp, $curr_type, &$voucher_code, &$reqid)
{
global $is_logged_in;
if (!ENABLE_LOCAL_VOUCHERS && isset($_POST['voucher'])) {
throw Error('Vouchers are not enabled on this site', 'Withdrawing to a voucher code is disabled.');
}
$amount = numstr_to_internal($amount_disp);
// dollar amounts should be truncated to cents, but Bitcoins are more divisible
if ($curr_type == 'BTC') {
$amount = truncate_num($amount, BTC_WITHDRAW_DECIMAL_PLACES);
} else {
$amount = truncate_num($amount, 2);
}
curr_supported_check($curr_type);
order_worthwhile_check($amount, $amount_disp, $curr_type, MINIMUM_WITHDRAW);
enough_money_check($amount, $curr_type);
check_withdraw_limit($is_logged_in, $amount, $curr_type);
if (!save_details($is_logged_in, $amount, $curr_type, $voucher_code, $reqid)) {
throw Error('We had to admit it sometime...', 'Stop trading on thie site. Contact the admin FAST.');
}
// actually take the money now
deduct_funds($amount, $curr_type);
// request is submitted to the queue for the cron job to actually execute (unless it's a voucher)
}