[PHP知识库]NFT链购系统开发模式以及部分源码分享

最近新开发了一款NFT链购系统，该系统是一款涉及众多门类，用户可以根据自己的喜好进行选择性购买。NFT链购作为一类数字资产，资产属性决定了必然有多种方式可以对其进行评估。

NFT链购系统商业模式：

NFT链购系统开发部分源码分享：

<?php
	set_time_limit(0);
	include '../includes/config.php';
	include '../includes/functions.php';
	
	$settings = current(getCacheFileByFront("settings"));
	
	$isrunning = $ds->setnx('dealassetunlock',1);
	if($isrunning==0){
		ehaoyu_log("解押结果处理中......","dealassetunlock");
		die();
	}

	$ds->expire('dealassetunlock',600);
	
	$curtime = time()-86400;
	
	$sql = "select * from `crypto_assetlock` 
			where `status` = 3 and `unlocktime`<'".$curtime."' order by `addtime` asc limit 100
			";	
			
	$unlockList = getAll($sql);
	if($unlockList){
		foreach($unlockList as $k=>$v){
			
			$iszhixing = $ds->setnx('assetunlock_'.$v['id'],1);
			if($iszhixing==0){
				ehaoyu_log("ASSETLOCK ID=>[".$v['id']."]其它操作中","dealassetunlock");
				continue;
			}
			$locksecondtime = empty($CONF['locksecondtimenotify'])?20:$CONF['locksecondtimenotify'];
			$ds->expire('assetunlock_'.$v['id'],$locksecondtime);


			$sql = "update `crypto_users_coins`
					set ".$v['coin']."=".$v['coin']."+".$v['num'].
					" where uid='".$v['uid']."'";	
			$re  = $db->query($sql);
			if($re){

				$sql = "update `crypto_assetlock` 
						set `status` = '2'
						where id='".$v['id']."'
						";
				$db->query($sql);

				$sql = "
						insert into `crypto_userfinance`(
							uid,
							coin,
							num,
							profit,
							type,
							gametype,
							memo,
							addtime
						)values(
							'".$v['uid']."',
							'".$v['coin']."',
							'".$v['num']."',
							1,
							12,
							4,
							'解押资产[".$v['id']."]',
							'".time()."'
						)
					";
				$db->query($sql); 

			}else{
				ehaoyu_log("会员ID:".$v['uid'].",质押ID=>".$v['id'].",质押币种:".$v['coin'].",数量:".numF($v['num']).",解押处理失败","dealassetunlockerror");
			}

			$ds->del('assetunlock_'.$v['id']);
		}
	}else{
		echo "nodata";
	}
	$ds->del('dealassetunlock');

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