<?php


namespace app\api\controller;

use app\common\controller\Api;
use think\Db;
use think\Config;
use app\common\library\Sms;
use fast\Random;

/**
 * 合约
 *
 * @icon fa fa-circle-o
 */
class Contract extends Api
{

    protected $noNeedLogin = ['get_coin','get_curr_con'];
    protected $noNeedRight = '*';

    public function _initialize()
    {
        parent::_initialize();
    }

    //获取支持交易的币种
    public function get_coin()
    {
        $data = Db::name('app_rate')
                ->where('is_hytrade','1')
                ->where('status','1')
                ->order('weigh','desc')
                ->select();
        //查询所有收藏
        $sc_data = Db::name('app_rate_user')->where("user_id", $this->auth->id)->select();
        $collect = [];
        foreach ($sc_data as $key => $value) {
            $collect[] = $value['symbol'];
        }
        foreach ($data as $key => $value) {
            $value['logo_image'] = Config::get("site.image_url").$value['logo_image'];
            $value['exchange_rate'] = Config::get("site.exchange_rate");
            if(in_array($value['symbol'], $collect)){
                $value['is_sc'] = true;
            }else{
                $value['is_sc'] = false;
            }
            $data[$key] = $value;
        }
        $currency = Db::name('app_currency_user')
            ->field('num,num_lh,id')
            ->where('user_id',$this->auth->id)
            ->where('curr_id',1)->find();
        if(empty($currency)){
            $currency['num'] = 0;
            $currency['num_lh'] = 0;
        }
        $setting = [
            'promise_price' => Config::get('site.promise_price'),
            'contract_fee' => Config::get('site.contract_fee'),
            'buy_num' => explode(',',Config::get('site.buy_num')),
            'balance' => $currency['num'],
            'balance_contract' => isset($currency['num_lh']) ? $currency['num_lh'] : 0,
            'shizhi' => Config::get('site.shizhi'),
        ];
        $this->success('ok',['coin'=>$data,'setting'=>$setting]);
    }

    //获取合约持仓列表
    public function get_contract()
    {
        $params = $this->request->post();
        $size = (isset($params['size']))?$params['size']:20;
        $symbol = $this->request->post("symbol");
        $status = $this->request->post("status",0);
        
        $w['a.user_id'] = array("eq",$this->auth->id);
        if($symbol){
            $w['b.symbol'] = array("eq",$symbol);
        }
        if($status != "all"){
            $w['a.status'] = array("eq",$status);
        }
        $data = Db::name('app_contract a')
            ->field('a.*,b.coinname,b.symbol,b.close,b.bb_type')
            ->join('app_rate b','a.coin_id = b.id','left')
            ->where($w)
            ->order('id','desc')
            ->paginate($size,false,['query' => request()->param()]);
        foreach ($data as $key=>$value)
        {
            $value['createtime'] = date('Y-m-d H:i:s',$value['createtime']);
            $value['updatetime'] = date('m-d H:i:s',$value['updatetime']);
            $value['pctime'] = $value['createtime'];
            if($value['status'] == '1') {
                $diffnum = $value['close'] - $value['price'];
                if ($value['type'] == 'more') {
                    //计算收益
                    $income = $diffnum / 100 * $value['num'] * $value['multiple']* Config::get('site.shizhi') ;
                } else {
                    if ($diffnum < 0) {
                        $income = abs($diffnum) / 100 * $value['num'] * $value['multiple']* Config::get('site.shizhi');
                    } else {
                        $income = 0 - $diffnum / 100 * $value['num'] * $value['multiple']* Config::get('site.shizhi');
                    }
                }
                $value['income'] = sprintf('%.6f', $income);
            }
            $data[$key] = $value;
        }

        $this->success('success',$data);
    }

    //购买合约
    public function buy_contract()
    {
        $params = $this->request->post();
        //实名认证判断
        if(!controller("Common")->get_auth()){
            $this->error(__("请先完成实名认证"),['jump'=>1]);
        }
        if(!isset($params['cart']) || empty($params['cart']))  //market市价  limit 限价
        {
            $this->error(__('请选择交易模式'));
        }
        if($params['cart'] == 'limit' && (!isset($params['price']) || empty($params['price']))){
            $this->error(__('限价模式，请输入价格'));
        }
        if(!isset($params['coin_id']) || empty($params['coin_id']))  //market市价  limit 限价
        {
            $this->error(__('请选择交易币种'));
        }
        $coin = Db::name('app_rate')->where('id',$params['coin_id'])->where('is_hytrade','1')->find();
        if(!$coin) $this->error(__('该交易币种已下架或不存在'));
        if(!isset($params['type']) || empty($params['type']))  //more  free
        {
            $this->error(__('请选择交易方向'));
        }
        if(!isset($params['num']) || empty($params['num']))
        {
            $this->error(__('请输入交易数量'));
        }
        if(!isset($params['multiple']) || empty($params['multiple']))
        {
            $this->error(__('请选择交易倍数'));
        }

        $buy_num = explode(',',Config::get('site.buy_num'));
        if(!in_array($params['multiple'],$buy_num))
        {
            $this->error(__('请选择正确的交易倍数'));
        }


        //redis防重复点击
        $symbol = "contract" . $this->auth->id;
        $submited = pushRedis($symbol);
        if (!$submited) {
            $this->error(__("操作频繁"));
        }

        $currency = Db::name('app_currency_user')
            ->field('num_lh,id')
            ->where('user_id',$this->auth->id)
            ->where('curr_id',1)->find();
        //需要保证金
        $promise_price = Config::get('site.promise_price');
        $contract_fee = Config::get('site.contract_fee');
        $price = $coin['close'];
        if($params['cart'] == 'market')
        {
            
            //调整价格
            $tradejson = json_decode($coin['tradectrl_json'],true);
            $jd = $coin['jd'];
            $hour = date('H');
            $minute = date('i');
            $prices = $num = 0;
            if($tradejson) {
                foreach ($tradejson as $key => $value) {
                    $time1 = explode('-', $key);
                    $time2 = explode(':', $time1[0]);
                    $time3 = explode(':', $time1[1]);
                    $pricearr = explode('-', $value);
                    if ($hour >= $time2[0] && $hour <= $time3[0]) {
                        if (($hour == $time3[0] && $minute > $time3[1]) || ($hour == $time2[0] && $minute < $time2[1])) continue;
                        $prices = (float)$this->randomFloat($pricearr[0], $pricearr[1], $jd);
                        break;
                    }
                }
                if ($prices > 0) $price = $prices;
            }
            //个人调整价格
            $tradejsons = json_decode($this->auth->tradectrl_json,true);
            if($tradejsons) {
                $prices = 0;
                foreach ($tradejsons as $key => $value) {
                    if($key == $coin['symbol']) {
                        $jsonarr = explode('|',$value);
                        if(!isset($jsonarr[0]) || !isset($jsonarr[1])) continue;
                        $time1 = explode('-',$jsonarr[0]);
                        $time2 = explode(':', $time1[0]);
                        $time3 = explode(':', $time1[1]);
                        $pricearr = explode('-', $jsonarr[1]);
                        if(!isset($pricearr[0]) || !isset($pricearr[1])) continue;
                        if ($hour >= $time2[0] && $hour <= $time3[0]) {
                            if (($hour == $time3[0] && $minute > $time3[1]) || ($hour == $time2[0] && $minute < $time2[1])) continue;
                            $prices = (float)$this->randomFloat($pricearr[0], $pricearr[1], $jd);
                            break;
                        }
                    }
                }
                if ($prices > 0) $price = $prices;
            }
            $release = Db::name("app_curr_release")->where("symbol",$coin['symbol'])->find();
            if($release){
                $trademulte_json = json_decode($release['trademulte_json'],true);
                if($trademulte_json && !$prices){
                    foreach ($trademulte_json as $kk => $vv) {
                        $time1 = explode('-', $kk);
                        $time2 = explode(':', $time1[0]);
                        $time3 = explode(':', $time1[1]);
                        if ($hour >= $time2[0] && $hour <= $time3[0]) {
                            if (($hour == $time3[0] && $minute > $time3[1]) || ($hour == $time2[0] && $minute < $time2[1])) continue;
                            $datass = json_decode(http_curl('https://api.huobi.pro/market/history/kline?period=1min&size=1&symbol='.$release['symbol'],'get'),true);
                            if(!$datass || !isset($datass['data']) || empty($datass['data']))
                            {
                                $price = $coin['close'];
                                break;
                            }
                            $price = $datass['data'][0]['close'] * $vv;
                            break;
                        }
                    }
                }
            }

        }else{
            if(($params['type'] == 'more' && $params['price'] > $price) || ($params['type'] == 'free' && $params['price'] < $price))
            {
                $this->error(__('限价模式，请输入正确价格'));
            }
            $price = $params['price'];
        }
        $promisefee = ($promise_price>1)?$promise_price:sprintf("%.6f",$price*$promise_price*$params['num']*100/$params['multiple']);
        
        //质押手续费折扣
        $count_zhiya = Db::name("app_zhiya_user")->where("user_id", $this->auth->id)->where("status",1)->sum("num");
        $zhiya_free_rebate = Config::get("site.zhiya_free_rebate");
        $zhekou = 1;
        foreach ($zhiya_free_rebate as $key => $value) {
            if($count_zhiya > $key){
                $zhekou = $value;
            }
        }
        $fee = sprintf('%.6f',$promisefee*$contract_fee*$zhekou);
        
        //是否开启APT手续费
        if($this->auth->apy_pay == 1){
            if($currency['num_lh'] < ($promisefee))
            {
                lopRedis($symbol);
                $this->error(__('账号余额不足'));
            }
            //开启apt手续费支付
            $apt_free = Config::get("site.apt_free");
            $apy_curr = Db::name("app_currency")->where("id",2)->find();
            $res_curr = Db::name("app_currency")->where("id",1)->find();
            $apy_num = sprintf("%.6f",$fee*$res_curr['exchange']/$apy_curr['exchange']*$apt_free);
            $fee = $apy_num;
            $user_apy = Db::name('app_currency_user')->where('curr_id',2)->where('user_id',$this->auth->id)->find();
            if($user_apy['num'] < $fee)
            {
                lopRedis($symbol);
                $this->error(__('手续费不足'));
            }
            $detailed[] = [
                'user_id' => $this->auth->id,
                'curr_id' => $user_apy['curr_id'],
                'price' => $fee,
                'cart' => '2',
                'type' => '6',
                'serial_no' => time().Random::build('numeric',4),
                'order_result' => 'result',
                'description' => 'Contract Fee',
                'createtime' => time(),
                'notice' => 'Contract Fee',
                'before_num' => $user_apy['num'],
                'after_num' => $user_apy['num'] - $fee,
            ];
            $lostnum = $currency['num_lh'] - $promisefee;
            $fee_type = 1;
        }else{
            if($currency['num_lh'] < ($promisefee+$fee))
            {
                lopRedis($symbol);
                $this->error(__('账号余额不足'));
            }
            $detailed[] = [
                'user_id' => $this->auth->id,
                'curr_id' => 1,
                'price' => $fee,
                'cart' => '2',
                'type' => '6',
                'serial_no' => time().Random::build('numeric',4),
                'order_result' => 'result',
                'description' => 'Contract Fee',
                'createtime' => time(),
                'notice' => 'Contract Fee',
                'before_num' => $currency['num_lh'],
                'after_num' => $currency['num_lh'] - $fee,
            ];
            $lostnum = $currency['num_lh'] - $promisefee - $fee;
            $fee_type = 1;
        }
        $contract = [
            'user_id' => $this->auth->id,
            'coin_id' => $coin['id'],
            'symbol' => $coin['symbol'],
            'type' => $params['type'],
            'status' => ($params['cart'] == 'market')?'1':'0',
            'price' => $price,
            'num' => $params['num'],
            'multiple' => $params['multiple'],
            'promise_fee' => $promisefee,
            'fee' => $fee,
            'createtime' => time(),
            'fee_type' => $fee_type,
        ];
        $detailed[] = [
            'user_id' => $this->auth->id,
            'curr_id' => 1,
            'price' => $promisefee,
            'cart' => '2',
            'type' => '6',
            'serial_no' => time().Random::build('numeric',4),
            'order_result' => 'result',
            'description' => 'Contract Margin',
            'createtime' => time(),
            'notice' => 'Contract Margin',
            'before_num' => $currency['num_lh'],
            'after_num' => $lostnum,
        ];

        Db::startTrans();
        try {
            Db::name('app_currency_user')->where('id',$currency['id'])->update(['num_lh'=>$lostnum,'updatetime'=>time()]);
            if($this->auth->apy_pay == 1){
                Db::name('app_currency_user')->where('id',$user_apy['id'])->update(['num'=>$user_apy['num'] - $fee]);
            }
            $ret1 = Db::name('app_contract')->insertGetId($contract);
            Db::name('app_detailed')->insertAll($detailed);
            lopRedis($symbol);
            Db::commit();
            $return = $contract;
            $return['id'] = $ret1;
            $return['createtime'] = date('Y-m-d H:i:s',$return['createtime']);
            $this->success(__('提交成功'),$return);
        } catch (Exception $e) {
            Db::rollback();
            $this->error(__('系统繁忙'));
        }

    }

    //设置止盈止损
    public function set_contract()
    {
        $params = $this->request->post();
        if(!isset($params['contract_id']) || empty($params['contract_id']))
        {
            $this->error(__('请选择设置的合约订单'));
        }
//        if(!isset($params['zy_price']) || empty($params['zy_price']))
//        {
//            $this->error(__('请设置止盈价格'));
//        }
//        if(!isset($params['zs_price']) || empty($params['zs_price']))
//        {
//            $this->error(__('请设置止损价格'));
//        }
        $contract = Db::name('app_contract')
            ->where('user_id',$this->auth->id)
            ->where('id',$params['contract_id'])
            ->where('status','1')
            ->find();
        if(!$contract)
        {
            $this->error(__('合约订单不存在或已平仓'));
        }
        if(!isset($params['zy_price']) || empty($params['zy_price']) || $params['zy_price'] <= 0){
            $params['zy_price'] = $contract['zy_price'];
        }
        if($contract['type'] == 'more' && $params['zy_price'] < $contract['price'] && $params['zy_price'] > 0){
            $this->error(__('请设置止盈价格'));
        }
        if($contract['type'] == 'free' && $params['zy_price'] > $contract['price'] && $params['zy_price'] > 0){
            $this->error(__('请设置止盈价格'));
        }
        if(!isset($params['zs_price']) || empty($params['zs_price']) || $params['zs_price'] <= 0)
        {
            $params['zs_price'] = $contract['zs_price'];
        }
        if($contract['type'] == 'more' && $params['zs_price'] > $contract['price'] && $params['zs_price'] > 0){
            $this->error(__('请设置止损价格'));
        }
        if($contract['type'] == 'free' && $params['zs_price'] < $contract['price'] && $params['zs_price'] > 0){
            $this->error(__('请设置止损价格'));
        }
        $ret = Db::name('app_contract')
            ->where('id',$contract['id'])
            ->update(['zy_price'=>$params['zy_price'],'zs_price'=>$params['zs_price'],'updatetime'=>time()]);
        if($ret)
        {
            $this->success(__('设置成功'));
        }else{
            $this->error(__('系统繁忙'));
        }
    }

    //平仓
    public function pingcang()
    {
        $params = $this->request->post();
        if(!isset($params['contract_id']) || empty($params['contract_id']))
        {
            $this->error(__('请选择合约订单'));
        }
        $contract = Db::name('app_contract')
            ->where('user_id',$this->auth->id)
            ->where('id',$params['contract_id'])
            ->where('status','1')
            ->find();
        if(!$contract)
        {
            $this->error(__('合约订单不存在或已平仓'));
        }
        //redis防重复点击
        $symbol = "contract_pc" . $this->auth->id;
        $submited = pushRedis($symbol);
        if (!$submited) {
            $this->error(__("操作频繁"));
        }
        $coin = Db::name('app_rate')->where('id',$contract['coin_id'])->find();
        $pc_price = $coin['usdt'];
        //调整价格
        $tradejson = json_decode($coin['tradectrl_json'],true);
        $jd = $coin['jd'];
        $hour = date('H');
        $minute = date('i');
        $prices = $num = 0;
        if($tradejson) {
            foreach ($tradejson as $key => $value) {
                $time1 = explode('-', $key);
                $time2 = explode(':', $time1[0]);
                $time3 = explode(':', $time1[1]);
                $pricearr = explode('-', $value);
                if ($hour >= $time2[0] && $hour <= $time3[0]) {
                    if (($hour == $time3[0] && $minute > $time3[1]) || ($hour == $time2[0] && $minute < $time2[1])) continue;
                    $prices = (float)$this->randomFloat($pricearr[0], $pricearr[1], $jd);
                    break;
                }
            }
            if ($prices > 0) $pc_price = $prices;
        }
        //个人调整价格
        $tradejsons = json_decode($this->auth->tradectrl_json,true);
        if($tradejsons) {
            $prices = 0;
            foreach ($tradejsons as $key => $value) {
                if($key == $coin['symbol']) {
                    $jsonarr = explode('|',$value);
                    if(!isset($jsonarr[0]) || !isset($jsonarr[1])) continue;
                    $time1 = explode('-',$jsonarr[0]);
                    $time2 = explode(':', $time1[0]);
                    $time3 = explode(':', $time1[1]);
                    $pricearr = explode('-', $jsonarr[1]);
                    if(!isset($pricearr[0]) || !isset($pricearr[1])) continue;
                    if ($hour >= $time2[0] && $hour <= $time3[0]) {
                        if (($hour == $time3[0] && $minute > $time3[1]) || ($hour == $time2[0] && $minute < $time2[1])) continue;
                        $prices = (float)$this->randomFloat($pricearr[0], $pricearr[1], $jd);
                        break;
                    }
                }
            }
            if ($prices > 0) $pc_price = $prices;
        }
        $release = Db::name("app_curr_release")->where("symbol",$coin['symbol'])->find();
        if($release){
            $trademulte_json = json_decode($release['trademulte_json'],true);
            if($trademulte_json && !$prices){
                foreach ($trademulte_json as $kk => $vv) {
                    $time1 = explode('-', $kk);
                    $time2 = explode(':', $time1[0]);
                    $time3 = explode(':', $time1[1]);
                    if ($hour >= $time2[0] && $hour <= $time3[0]) {
                        if (($hour == $time3[0] && $minute > $time3[1]) || ($hour == $time2[0] && $minute < $time2[1])) continue;
                        $datass = json_decode(http_curl('https://api.huobi.pro/market/history/kline?period=1min&size=1&symbol='.$release['symbol'],'get'),true);
                        if(!$datass || !isset($datass['data']) || empty($datass['data']))
                        {
                            $pc_price = $coin['close'];
                            break;
                        }
                        $pc_price = $datass['data'][0]['close'] * $vv;
                        break;
                    }
                }
            }
        }
        $diffnum = $pc_price - $contract['price'];
        if($contract['type'] == 'more')
        {
            //计算收益
//            $income = $diffnum / 100 * $contract['num'] * $contract['multiple'] * Config::get('site.shizhi');
            $income = $diffnum * $contract['num'] * Config::get('site.shizhi');
        }else{
            if($diffnum < 0) {
//                $income = abs($diffnum) / 100 * $contract['num'] * $contract['multiple'] * Config::get('site.shizhi');
                $income = abs($diffnum) * $contract['num'] * Config::get('site.shizhi');
            }else{
//                $income = 0 - $diffnum / 100 * $contract['num'] * $contract['multiple'] * Config::get('site.shizhi');
                $income = 0 - $diffnum * $contract['num'] * Config::get('site.shizhi');
            }
        }
        $income = sprintf('%.6f',$income);

        $currency = Db::name('app_currency_user')
            ->field('num_lh,id')
            ->where('user_id',$this->auth->id)
            ->where('curr_id',1)->find();

        $detailed = [
            'user_id' => $this->auth->id,
            'curr_id' => 1,
            'price' => abs($income),
            'cart' => '2',
            'type' => '6',
            'serial_no' => time().Random::build('numeric',4),
            'order_result' => 'result',
            'description' => 'Contract Close',
            'createtime' => time(),
            'notice' => 'Contract Close',
            'before_num' => $currency['num_lh'],
            'after_num' => $currency['num_lh'] + $income,
        ];
        if($income >0 ){
            $detailed['cart'] = '1';
            $detailed['description'] = 'Contract Close Profit';
         }else{
            $detailed['cart'] = '2';
            $detailed['description'] = 'Contract Close Loss';
        }

        $detaileds[] = $detailed;
        $detaileds[] = [
            'user_id' => $this->auth->id,
            'curr_id' => 1,
            'price' => $contract['promise_fee'],
            'cart' => '1',
            'type' => '6',
            'serial_no' => time().Random::build('numeric',4),
            'order_result' => 'result',
            'description' => 'Contract Margin',
            'createtime' => time(),
            'notice' => 'Contract Margin',
            'before_num' => $detailed['after_num'],
            'after_num' => $detailed['after_num'] + $contract['promise_fee'],
        ];

        $lostnum =  sprintf("%.6f",($currency['num_lh'] + $income + $contract['promise_fee']));
        Db::startTrans();
        try {
            $ret = Db::name('app_currency_user')
                ->where('id',$currency['id'])->update(['num_lh'=>$lostnum,'updatetime'=>time()]);
            if(!$ret)
            {
                lopRedis($symbol);
                Db::rollback();
                $this->error(__('系统繁忙'));
            }
            $ret1 = Db::name('app_contract')->where('id',$contract['id'])
                ->update(['status'=>'2','pc_price'=>$pc_price,'pctime'=>time(),'income'=>$income]);
            if(!$ret1)
            {
                lopRedis($symbol);
                Db::rollback();
                $this->error(__('系统繁忙'));
            }
            $ret2 = Db::name('app_detailed')->insertAll($detaileds);
            if(!$ret2)
            {
                lopRedis($symbol);
                Db::rollback();
                $this->error(__('系统繁忙'));
            }
            lopRedis($symbol);
            Db::commit();
            $this->success(__('已平仓'));
        } catch (Exception $e) {
            Db::rollback();
            $this->error(__('系统繁忙'));
        }
    }

    //撤销订单
    public function cancel_cang()
    {
        $params = $this->request->post();
        if (!isset($params['contract_id']) || empty($params['contract_id'])) {
            $this->error(__('请选择合约订单'));
        }
        $contract = Db::name('app_contract')
            ->where('user_id', $this->auth->id)
            ->where('id', $params['contract_id'])
            ->where('status', '0')
            ->find();
        if (!$contract) {
            $this->error(__('合约订单不存在或已平仓'));
        }
        //redis防重复点击
        $symbol = "contract_cancel" . $this->auth->id;
        $submited = pushRedis($symbol);
        if (!$submited) {
            $this->error(__("操作频繁"));
        }
        $currency = Db::name('app_currency_user')
            ->field('num_lh,id')
            ->where('user_id',$this->auth->id)
            ->where('curr_id',1)->find();

        $detaileds = [
            'user_id' => $this->auth->id,
            'curr_id' => 1,
            'price' => $contract['promise_fee'] + $contract['fee'],
            'cart' => '1',
            'type' => '6',
            'serial_no' => time().Random::build('numeric',4),
            'order_result' => 'result',
            'description' => 'Contract Margin & Fee Refund',
            'createtime' => time(),
            'notice' => 'Contract Margin & Fee Refund',
            'before_num' => $currency['num_lh'],
            'after_num' => $currency['num_lh'] + $contract['promise_fee'] + $contract['fee'],
        ];

        $lostnum =  sprintf("%.6f",($currency['num_lh'] + $contract['promise_fee'] + $contract['fee']));
        Db::startTrans();
        try {
            $ret = Db::name('app_currency_user')
                ->where('id',$currency['id'])->update(['num_lh'=>$lostnum,'updatetime'=>time()]);
            if(!$ret)
            {
                lopRedis($symbol);
                Db::rollback();
                $this->error(__('系统繁忙'));
            }
            $ret1 = Db::name('app_contract')->where('id',$contract['id'])
                ->update(['status'=>'3','updatetime'=>time()]);
            if(!$ret1)
            {
                lopRedis($symbol);
                Db::rollback();
                $this->error(__('系统繁忙'));
            }
            $ret2 = Db::name('app_detailed')->insert($detaileds);
            if(!$ret2)
            {
                lopRedis($symbol);
                Db::rollback();
                $this->error(__('系统繁忙'));
            }
            lopRedis($symbol);
            Db::commit();
            $this->success(__('已撤销'));
        } catch (Exception $e) {
            Db::rollback();
            $this->error(__('系统繁忙'));
        }

    }

    //4位小数的随机数
    function randomFloat($min = 0, $max = 10 , $localnum = 4)
    {
        if($localnum == 4) {
            if ($max - $min <= 0.0002) {
                return 0;
            }
            $rand = mt_rand() / mt_getrandmax() * ($max - $min-0.0001);
            $num = $min + $rand;
            $number = sprintf("%.4f", $num);
            if($number == $min){
                $number += 0.0001;
            }
        }else if($localnum == 5){
            if ($max - $min <= 0.00002) {
                return 0;
            }
            $rand = mt_rand() / mt_getrandmax() * ($max - $min-0.00001);
            $num = $min + $rand;
            $number = sprintf("%.5f", $num);
            if($number == $min){
                $number += 0.00001;
            }
        }else if($localnum == 6){
            if ($max - $min <= 0.000002) {
                return 0;
            }
            $rand = mt_rand() / mt_getrandmax() * ($max - $min-0.000001);
            $num = $min + $rand;
            $number = sprintf("%.6f", $num);
            if($number == $min){
                $number += 0.000001;
            }
        }else if($localnum == 2){
            if ($max - $min <= 0.02) {
                return 0;
            }
            $rand = mt_rand() / mt_getrandmax() * ($max - $min-0.01);
            $num = $min + $rand;
            $number = sprintf("%.2f", $num);
            if($number == $min){
                $number += 0.01;
            }
        }else if($localnum == 3){
            if ($max - $min <= 0.001) {
                return 0;
            }
            $rand = mt_rand() / mt_getrandmax() * ($max - $min-0.001);
            $num = $min + $rand;
            $number = sprintf("%.3f", $num);
            if($number == $min){
                $number += 0.001;
            }
        }

        return $number;

    }
    
    /**
     * 获取币种资料
     */
    public function get_curr_con()
    {
        $symbol = $this->request->post("symbol");
        $data = Db::name("app_rate")->field("id,symbol,name,logo_image,level,count_price,liutong_num,gongji_num,count_num,faxin_time,faxin_price,qukuai,desc,market_jd,price_jd,bb_type,close")
                ->where("symbol",$symbol)
                ->find();
        if(empty($data)){
            $this->error(__("未查询到币种信息"));
        }
        $data['jys'] = "An Piter";
        $data['faxin_time'] = date("Y-m-d",$data['faxin_time']);
        $data['logo_image'] = Config::get("site.image_url").$data['logo_image'];
        $data['exchange_rate'] = Config::get("site.exchange_rate");
        $data['h5_url'] = "https://h5.polyexchange.net/#/pages/transaction/index";
        $this->success("ok",$data);
    }
}