SDK

<?php
	//Call API to generate a wallet address 
	$url = "https://api.ubao.io/mch/address/create";
	
	$merchantId = "12345"; //Merchant ID 
	$api_key = "123456789"; //Merchant Key 
	
	$timestamp = time();
	//Result：1725607713
	$nonce = rand(100000,999999);
	//Result：212343
	
	$body_data = array('chainType'=>160,'type'=>0,'callUrl'=>'http://www.xxx.com/xxx.html'); 
	//Convert the Body array to a JSON string 
	$str = json_encode($body_data);
	//Result：{"chainType":160,"type":0,"callUrl":"http:\/\/www.xxx.com\/xxx.html"}
	
	//Use base64 encoding to obtain the final body string 
	$body = base64_encode($str);
	//Result：eyJjaGFpblR5cGUiOjE2MCwidHlwZSI6MCwiY2FsbFVybCI6Imh0dHA6XC9cL3d3dy54eHguY29tXC94eHguaHRtbCJ9
	
	//signature 
	$sign = md5($body . $api_key . $nonce . $timestamp);
	//Result：5eab870f6a4fea6caabc6e0be4308bf0
	
	//Data submitted to the gateway  
	$data = array('merchantId'=>$merchantId,'timestamp'=>$timestamp,'nonce'=>$nonce,'sign'=>$sign,'body'=>$body);
	
	//Submit to the gateway via POST 
	$res = curlPost($url,$data);
	//Result：{"code":200,"message":"SUCCESS","address":"TQcK2oKpeVAE1mvYEudYJHgCr47F5ba8hk","chainType":160}
	//Business processing after obtaining execution results 
	//......
	
	
	
	function curlPost($url, $post_data = array(),$timeout = 5, $header = array("content-type: application/x-www-form-urlencoded"), $data_type = "") {
		$header = empty($header) ? '' : $header;
		if($data_type == 'json'){
			$post_string = json_encode($post_data);
		}elseif($data_type == 'array') {
			$post_string = $post_data;
		}elseif(is_array($post_data)){
			$post_string = http_build_query($post_data, '', '&');
		}
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
		curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $post_string);     
		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
		curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
		curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
		$result = curl_exec($ch);
		curl_close($ch);
		
		return $result;
	}
?>

<?php
	$api_key = "123456789"; //Merchant Key 
	
	$body = $_POST['body'];
	$sign = $_POST['sign'];
	$nonce = $_POST['nonce'];
	$timestamp = $_POST['timestamp'];
	
	$msg = "";
	
	try {
		$sign2 = md5($body . $api_key . $nonce . $timestamp);
		
		if($sign2 != $sign){
			$msg = "sign error";
			throw new Exception();
		}
		
		$json = json_decode(base64_decode($body),true);
		
		$decimals = $json['decimals'];
		$amount = number_format($json['amount']/pow(10,$decimals),3,'.','') + 0;
		
		if($json['callbackType'] == 'recharge'){
		    //Business logic processing of coin deposit 
		}
		
		if($json['callbackType'] == 'transfer'){
		    //Business logic processing for withdrawal or transfer 
			if($json['result'] == 1){
				//Transfer successful 
			}
			else{
				//Transfer failed 
				$msg = $json['message'];
			}
		}
		
		if($json['callbackType'] == 'balance'){
		    //Business logic processing for obtaining address balance 
		}
		
		$msg = "SUCCESS";
		
	}
	catch (Exception $e) {
		//
	}
	
	echo $msg;
?>