AlipayEscrow

$ bundle

$ gem install alipay_escrow

$ pid = 'YOUR PARTNER ID'
$ key = File.read('YOUR RSA PRIVATE KEY')
$ params = {
$   trade_no: 'TRANSACTION ID',
$   subject:  'SUBJECT',
$   amount:   'TOTAL PRICE',
$   return_url: 'RETURN URL',
$   notify_url: 'NOTIFY URL'
$ }
$ escrow = AlipayEscrow::Payment.new(params, key, pid)
$ escrow.payment_url # => https://mapi.alipay.com/gateway.do?_input_charset=utf-8&notify_url=http%3A%2F%2Fexample.comn%2F&out_trade_no=20160121173854779843000&partner=...&payment_type=1&return_url=https%3A%2F%2Fexample.com%2Falipay%2Fasync_notify&seller_id=...&service=create_direct_pay_by_user&sign=...%3D&sign_type=RSA&subject=iPhone6S&total_fee=2900

$ pid = 'YOUR PARTNER ID'
$ key = File.read('YOUR RSA PRIVATE KEY')
$ params # => {
$   'notify_url' => 'NOTIFY URL',
$   'trade_no'   => 'TRADE NO',
$   'amount'     => '2900',
$   'reason'     => 'refund reason'
$ }
$ escrow = AlipayEscrow::Refund.new(params, key, pid)
$ escrow.refund_url # => https://mapi.alipay.com/gateway.do?_input_charset=utf-8&batch_no=540460171869518393124404&batch_num=1&detail_data=20160114...%5E2900%5Erefund+reason&notify_url=https%3A%2F%2Fexample.com%2Falipay%2Fasync_notify&partner=...&refund_date=2016-01-21+19%3A21%3A30&seller_user_id=...&service=refund_fastpay_by_platform_pwd&sign=TRlEoMVu2Dyj...&sign_type=RSA

# POST params from Alipay
$ params # => {
$   "sign"           => "Znkt3YzO2kmf...",
$   "result_details" => "20160120...^2900^SUCCESS",
$   "notify_time"    => "2016-01-21 12:14:07",
$   "sign_type"      => "RSA",
$   "notify_type"    => "batch_refund_notify",
$   "notify_id"      => "1d8e3ad3164...",
$   "batch_no"       => "20160121121...",
$   "success_num"    => "1"
$ }
$ pid = 'YOUR PARTNER ID'
$ key = File.read('ALIPAY RSA PUBLIC KEY')
$ escrow = AlipayEscrow::Refund.new(params, key, pid)
$ escrow.verified? # => true/false