如何改变Bloclkchain.info ticker api？

Question

我想在我的网站中集成区块链我是从开发人员开发的。 problemm是区块链将输入的金额转换为usd。意思是如果我想在我的网络账户上存入0.001 btc它显示0.00000006btc平均价格0.001美元。请告诉我如何解决它在btc中显示金额的问题，不要把它转换成usd。我的Blockchain preivew代码如下所列。

public function btcPreview(Request $request)
    {
        $data['amount'] = $request->amount;
        $data['charge'] = $request->charge;
        $data['transaction_id'] = $request->transaction_id;
        $pay = Payment::first();
        $tran = FundLog::whereTransaction_id($data['transaction_id'])->first();

        $blockchain_root = "https://blockchain.info/";
        $blockchain_receive_root = "https://api.blockchain.info/";
        $mysite_root = url('/');
        $secret = "ABIR";
        $my_xpub = $pay->btc_xpub;
        $my_api_key = $pay->btc_api;
        $am = $data['amount'];
        $invoice_id = $tran->transaction_id;

        $callback_url = route('btc_ipn',['invoice_id'=>$invoice_id,'secret'=>$secret]);



        if ($tran->btc_acc == null){

                $resp = file_get_contents($blockchain_receive_root . "v2/receive?key=" . $my_api_key . '&callback=' . urlencode($callback_url) . '&xpub=' . $my_xpub);

                $response = json_decode($resp);

                $sendto = $response->address;

            if ($sendto!="") {
                $api = "https://blockchain.info/tobtc?currency=USD&value=".$data['amount'];
                $usd = file_get_contents($api);
                $tran->btc_amo = $usd;
                $tran->btc_acc = $sendto;
                $tran->save();
            }else{
                session()->flash('message', "SOME ISSUE WITH API");
                Session::flash('type', 'warning');
                return redirect()->back();
            }
        }else{
            $usd = $tran->btc_amo;
            $sendto = $tran->btc_acc;
        }
        /*$sendto = "1HoPiJqnHoqwM8NthJu86hhADR5oWN8qG7";
        $usd =100;*/

        /*if ($tran->btc_acc == null){

            if (file_exists($blockchain_receive_root . "v2/receive?key=" . $my_api_key . '&callback=' . urlencode($callback_url) . '&xpub=' . $my_xpub)) {
                $resp = file_get_contents($blockchain_receive_root . "v2/receive?key=" . $my_api_key . '&callback=' . urlencode($callback_url) . '&xpub=' . $my_xpub);

                $response = json_decode($resp);

                $sendto = $response->address;

                $api = "https://blockchain.info/tobtc?currency=USD&value=".$data['amount'];

                $usd = file_get_contents($api);

                $tran->btc_amo = $usd;
                $tran->btc_acc = $sendto;
                $tran->save();
            }else{
                session()->flash('message', 'BlockChain API or XPUB not Correct.');
                Session::flash('type', 'warning');
                Session::flash('title', 'Opps');
                return redirect()->back();
            }
        }else{
            $usd = $tran->btc_amo;
            $sendto = $tran->btc_acc;
        }*/
        /*$sendto = "1HoPiJqnHoqwM8NthJu86hhADR5oWN8qG7";
        $usd =100;*/
        $var = "bitcoin:$sendto?amount=$usd";
        $data['code'] =  "<img src=\"https://chart.googleapis.com/chart?chs=300x300&cht=qr&chl=$var&choe=UTF-8\" title='' style='width:300px;' />";
        $data['general'] = GeneralSetting::first();
        $data['site_title'] = $data['general']->title;
        $data['basic'] = BasicSetting::first();
        $data['page_title'] = "BTC Send Preview";
        $data['payment_type'] = 3;
        $data['payment'] = Payment::first();
        $data['btc'] = $usd;

        $data['add'] = $sendto;
        $data['fund'] = $tran;
        return view('user.btc-send',$data);
    }