public function getBalance()
{
$api_url = 'https://blockchain.info/merchant/' . Config::get('bitcoin.guid') . '/balance';
$api_url .= '?password='******'bitcoin.password'));
$api_url .= '&address=' . urlencode(Config::get('bitcoin.wallet_address'));
$api_url .= '&confirmations=0';
$response = file_get_contents($api_url);
$object = json_decode($response);
return array('usd' => Bitcoin::toUSD($object->balance), 'btc' => Bitcoin::toBTC($object->balance), 'satoshi' => $object->balance);
}
public function postCreate()
{
if (!Auth::check()) {
return array('success' => false, 'errors' => 'You must be logged in to place any bets.');
}
$bet_amount = Bitcoin::toSatoshi(floatval(Input::get('bet_amount')));
$cross_bet_amount = Bitcoin::toSatoshi(floatval(Input::get('cross_bet_amount')));
if ($bet_amount > Auth::user()->getBalance()) {
return array('success' => false, 'errors' => array('bet_amount' => 'You don\'t have enough funds to place that bet.'));
}
if ($bet_amount < Config::get('bitcoin.minimum_bet')) {
return array('success' => false, 'errors' => array('bet_amount' => 'Minimum bet amount is ' . Bitcoin::toBTC(Config::get('bitcoin.minimum_bet')) . ' BTC'));
}
if ($cross_bet_amount < Config::get('bitcoin.minimum_bet')) {
return array('success' => false, 'errors' => array('cross_bet_amount' => 'Minimum bet amount is ' . Bitcoin::toBTC(Config::get('bitcoin.minimum_bet')) . ' BTC'));
}
$type = Input::get('type');
if (!in_array($type, $this->valid_types)) {
return array('success' => false, 'errors' => array('type' => 'Invalid.'));
}
$expiration = intval(Input::get('expiration'));
if ($expiration < Config::get('bitcoin.minimum_bet_expiration') || $expiration > Config::get('bitcoin.maximum_bet_expiration')) {
return array('success' => false, 'errors' => array('expiration' => 'Invalid.'));
}
$bet = new Bet();
$bet->type = $type;
$bet->created_by_user_id = Auth::user()->id;
$bet->bet_amount = $bet_amount;
$bet->cross_bet_amount = $cross_bet_amount;
$bet->target_price = floatval(Input::get('target_price'));
$bet->price_when_created = Bitcoin::toUSD();
$expiresAt = Carbon::now()->addSeconds($expiration);
$bet->expires_at = $expiresAt;
if ($bet->save()) {
Auth::user()->subtractFromBalance($bet_amount);
return array('success' => true);
} else {
return array('success' => false, 'errors' => 'Bet couldn\'t be created.');
}
}
public function handleWinner()
{
if ($this->winner_paid) {
return false;
}
$btc_price = Bitcoin::toUSD();
if ($this->type == 'above') {
$winner = $btc_price > $this->target_price ? $this->created_by_user_id : $this->accepted_by_user_id;
} else {
if ($this->type == 'under') {
$winner = $btc_price < $this->target_price ? $this->created_by_user_id : $this->accepted_by_user_id;
}
}
$this->winner_user_id = $winner;
$winnings = (1 - Config::get('bitcoin.winnings_fee')) * (intval($this->bet_amount) + intval($this->cross_bet_amount));
$winner_model = User::where('id', $winner)->first();
$winner_model->addToBalance($winnings);
Notify::alert("User {$winner} paid " . Bitcoin::toBTC($winnings) . " BTC");
$this->winner_paid = 1;
$this->save();
return true;
}
public static function toUSD($amount = 100000000, $satoshi = true)
{
$USDPerBTC = Cache::get('bitcoin_price');
return $satoshi ? $USDPerBTC * Bitcoin::toBTC($amount) : $USDPerBTC * $amount;
}
public function getBalance($satoshi = true)
{
$balance = $this->balances()->orderBy('id', 'desc')->pluck('balance');
return is_null($balance) ? 0 : $satoshi ? $balance : Bitcoin::toBTC($balance);
}
