RWACha-API/application/api/logic/TeacLogin.php

<?php

namespace app\api\logic;


use app\common\model\ProductTeac;
use fast\Http;
use think\Loader;
use Exception;
use finfo;
use think\Cache;
use think\Env;
use think\Log;

/**
 * Teac交易
 */
class TeacLogin
{
    
     
    /**
     * 发布求购出售信息
    */
    public static  function setCreateTrade(int $uid, float $price, int $stock, int $typeId = ProductTeac::Buying):float
    {
        
        $rows = ProductTeac::where('status', ProductTeac::Normal)->find();
        if($rows)  throw new Exception(__("你有未完成的求购订单、不能重复发布"));

        //添加订单信息
        return ProductTeac::setUserCreateOrder($uid, $typeId, $price, $stock, bcmul($price, $stock, 2));
    }

    /**
     * 发布出售
     * @$address  查询地址
     * @$from_to  是查询付款交易（from），还剩收款交易（to）,默认from
     */
    public function setCreateSellOrder(string $from, string $to, int $start_block, int $end_block = 99999999)
    {
        if(empty($from) && empty($to)){
            return _error('钱包地址不能都为空');
        }

    }


    /**
     * 获取哈希地址成功状态
     * @param $orderInfo
     * @return array|string
     */
    public function getHashStatus($tx_hash):array
    {
    if (empty($tx_hash)) {
        return _error('hash值不能为空');
    }

    $url = "https://api.bscscan.com/api?module=transaction&action=gettxreceiptstatus";
    $url .= "&apikey=" . $this->bsc_api_key;
    $url .= "&txhash=" . $tx_hash;

    $body = Http::get($url);
    if (empty($body)) {
        return _error('状态api返回内容为空');
    }
    // 转成数组
    $rsArr = json_decode($body, true);
    if (empty($rsArr) || !is_array($rsArr)) {
        return _error('状态api返回数据异常，json转换失败');
    }

    if ($rsArr['status'] != '1') {
        return _error('状态api返回status不为1,当前值为:' . $rsArr['status']);
    }

    if ($rsArr['result']['status'] != 1) {
        return _error('状态api返回result中的status不为1,当前值为:' . $rsArr['result']['status']);
    }

    return _success();
    }

      /**
       * 根据时间戳获取最近的区块高度     
       * api接口返回数据格式
       * @param $orderInfo
       * @return array|string
       */
      public function getBlockNoByTime($time):array
      {
        if(!Cache::has('block_' . $time)){
            if (empty($time)) {
                return _error('时间戳不能为空');
            }

            //https://api.bscscan.com/api?module=block&action=getblocknobytime&timestamp=1601510400&closest=before&apikey=YourApiKeyToken

            $url = "https://api.bscscan.com/api?module=block&action=getblocknobytime&";
            $url .= "&closest=before";//closest 值还有个参数 after 控制返回接近时间戳之前还是之后的区块高度
            $url .= "&apikey=" . $this->bsc_api_key;
            $url .= "&timestamp=" . $time;
            dump($url);
            $body = Http::get($url);
            if (empty($body)) {
                return _error('获取区块高度api返回内容为空');
            }
            // 转成数组
            $rsArr = json_decode($body, true);
            if (empty($rsArr) || !is_array($rsArr)) {
                return _error('获取区块高度api返回数据异常，json转换失败');
            }

            if ($rsArr['status'] != '1') {
                return _error($rsArr['message'] . ' -- ' . $rsArr['result']);
            }


            Cache::set('block_' . $time, _success($rsArr['result']), 3600);
            }
            //获取开始预约前的区块高度
            return Cache::get('block_' . $time);
      }

      public function getBlcokNoByCache($time){
            if(!Cache::has('block')){
                  $get_block = (new BscApi())->getBlockNoByTime($start_time);
                  if($get_block['code'] == 0){
                  Log::info($get_block['msg'] . date('Y-m-d H:i:s'));
                  dump('获取区块高度有误');
                  dump($get_block);
                  return;
                  }
                  Cache::set('block', $get_block['data'], 3600);
            }
            //获取开始预约前的区块高度
            $start_block = Cache::get('block');
      }

    


  
}