$account = $client->getPrimaryAccount();

                        $coinbase_buy_amount_usd = floatval($transaction['amount']) * (1.0 - (floatval($tdata['rate'])*.01));
                        $coinbase_buy_amount_usd += 0.60;

                        $buyPrice = $client->getBuyPrice('BTC-USD');

                        $coinbase_buy_amount_btc = ((1.0/(double)$buyPrice->getAmount())*(double)$coinbase_buy_amount_usd);
                        $coinbase_buy_amount_btc = number_format((float)$coinbase_buy_amount_btc, 8, '.', '');