neiyou_user_web/app/Http/Controllers/Gateway/BitpayX.php

<?php

namespace App\Http\Controllers\Gateway;

use App\Models\Payment;
use Auth;
use GuzzleHttp\Client;
use Illuminate\Http\JsonResponse;
use Log;
use Response;

class BitpayX extends AbstractPayment {
	public function purchase($request): JsonResponse {
		$payment = $this->creatNewPayment(Auth::id(), $request->input('oid'), $request->input('amount'));

		$data = [
			'merchant_order_id' => $payment->trade_no,
			'price_amount'      => $payment->amount,
			'price_currency'    => 'CNY',
			'title'             => '支付单号：'.$payment->trade_no,
			'description'       => self::$sysConfig['subject_name']?: self::$sysConfig['website_name'],
			'callback_url'      => (self::$sysConfig['website_callback_url']?: self::$sysConfig['website_url']).'/callback/notify?method=bitpayx',
			'success_url'       => self::$sysConfig['website_url'].'/invoices',
			'cancel_url'        => self::$sysConfig['website_url'].'/invoices',
			'token'             => $this->sign($payment->trade_no),
		];
		$result = $this->sendRequest($data);

		if($result['status'] === 200 || $result['status'] === 201){
			$result['payment_url'] .= '&lang=zh';
			Payment::whereId($payment->id)->update(['url' => $result['payment_url']]);

			return Response::json(['status' => 'success', 'url' => $result['payment_url'], 'message' => '创建订单成功!']);
		}

		Log::error(var_export($result, true));
		return Response::json(['status' => 'fail', 'message' => '创建订单失败!'.$result['error']]);
	}

	private function sign($tradeNo): string {
		$data = [
			'merchant_order_id' => $tradeNo,
			'secret'            => self::$sysConfig['bitpay_secret'],
			'type'              => 'FIAT'
		];

		return $this->aliStyleSign($data, self::$sysConfig['bitpay_secret']);
	}

	private function sendRequest($data, $type = 'createOrder') {
		$client = new Client([
			'base_uri' => 'https://api.mugglepay.com/v1/',
			'timeout'  => 15,
			'headers'  => [
				'token'        => self::$sysConfig['bitpay_secret'],
				'content-type' => 'application/json'
			]
		]);

		if($type === 'query'){
			$request = $client->get('orders/merchant_order_id/status?id='.$data['merchant_order_id']);
		}else{// Create Order
			$request = $client->post('orders', ['body' => json_encode($data)]);
		}
		if($request->getStatusCode() !== 200){
			Log::debug('BitPayX请求支付错误：'.var_export($request, true));
		}

		return json_decode($request->getBody(), true);
	}

	//Todo: Postman虚拟测试通过，需要真实数据参考验证
	public function notify($request): void {
		$tradeNo = $request->input(['merchant_order_id']);
		if($request->input(['status']) === 'PAID' && hash_equals($this->sign($tradeNo), $request->input(['token']))){
			$this->postPayment($tradeNo, 'BitPayX');
			exit(json_encode(['status' => 200]));
		}
		exit(json_encode(['status' => 400]));
	}
}