通过商户退款单号查询退款(平台收付通)

提交退款申请后，通过调用该接口查询退款状态。 官方文档

wxpay.v3.ecommerce.refunds.outRefundNo._out_refund_no_.get({
  out_refund_no,
  params,
})
.then(
  ({ 
    data: {
      refund_id,
      out_refund_no,
      transaction_id,
      out_trade_no,
      channel,
      user_received_account,
      success_time,
      create_time,
      status,
      amount,
      promotion_detail,
    },
  }) => ({
    refund_id,
    out_refund_no,
    transaction_id,
    out_trade_no,
    channel,
    user_received_account,
    success_time,
    create_time,
    status,
    amount,
    promotion_detail,
  })
)