forked from golang/hotime
187 lines
7.6 KiB
Go
187 lines
7.6 KiB
Go
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package pay
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import (
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"fmt"
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"strconv"
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"time"
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"gopkg.in/chanxuehong/wechat.v2/mch/core"
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"gopkg.in/chanxuehong/wechat.v2/util"
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)
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// MicroPay 提交刷卡支付.
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func MicroPay(clt *core.Client, req map[string]string) (resp map[string]string, err error) {
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return clt.PostXML(core.APIBaseURL()+"/pay/micropay", req)
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}
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type MicroPayRequest struct {
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XMLName struct{} `xml:"xml" json:"-"`
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// 必选参数
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Body string `xml:"body"` // 商品或支付单简要描述
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OutTradeNo string `xml:"out_trade_no"` // 商户系统内部的订单号,32个字符内、可包含字母, 其他说明见商户订单号
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TotalFee int64 `xml:"total_fee"` // 订单总金额，单位为分，详见支付金额
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SpbillCreateIP string `xml:"spbill_create_ip"` // APP和网页支付提交用户端ip，Native支付填调用微信支付API的机器IP。
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AuthCode string `xml:"auth_code"` // 扫码支付授权码，设备读取用户微信中的条码或者二维码信息
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// 可选参数
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DeviceInfo string `xml:"device_info"` // 终端设备号(门店号或收银设备ID)，注意：PC网页或公众号内支付请传"WEB"
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NonceStr string `xml:"nonce_str"` // 随机字符串，不长于32位。NOTE: 如果为空则系统会自动生成一个随机字符串。
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SignType string `xml:"sign_type"` // 签名类型，默认为MD5，支持HMAC-SHA256和MD5。
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Detail string `xml:"detail"` // 商品名称明细列表
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Attach string `xml:"attach"` // 附加数据，在查询API和支付通知中原样返回，该字段主要用于商户携带订单的自定义数据
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FeeType string `xml:"fee_type"` // 符合ISO 4217标准的三位字母代码，默认人民币：CNY，其他值列表详见货币类型
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GoodsTag string `xml:"goods_tag"` // 商品标记，代金券或立减优惠功能的参数，说明详见代金券或立减优惠
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LimitPay string `xml:"limit_pay"` // no_credit--指定不能使用信用卡支付
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SceneInfo string `xml:"scene_info"` // 场景信息
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}
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type MicroPayResponse struct {
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XMLName struct{} `xml:"xml" json:"-"`
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// 必选返回
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OpenId string `xml:"openid"` // 用户在商户appid下的唯一标识
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IsSubscribe bool `xml:"is_subscribe"` // 用户是否关注公众账号
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TradeType string `xml:"trade_type"` // 调用接口提交的交易类型，取值如下：JSAPI，NATIVE，APP，MICROPAY，详细说明见参数规定
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BankType string `xml:"bank_type"` // 银行类型，采用字符串类型的银行标识
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TotalFee int64 `xml:"total_fee"` // 订单总金额，单位为分
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CashFee int64 `xml:"cash_fee"` // 现金支付金额订单现金支付金额，详见支付金额
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TransactionId string `xml:"transaction_id"` // 微信支付订单号
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OutTradeNo string `xml:"out_trade_no"` // 商户系统的订单号，与请求一致。
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TimeEnd time.Time `xml:"time_end"` // 订单支付时间，格式为yyyyMMddHHmmss，如2009年12月25日9点10分10秒表示为20091225091010。其他详见时间规则
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// 下面字段都是可选返回的(详细见微信支付文档), 为空值表示没有返回, 程序逻辑里需要判断
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DeviceInfo string `xml:"device_info"` // 微信支付分配的终端设备号
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SubOpenId string `xml:"sub_openid"` // 子商户appid下用户唯一标识，如需返回则请求时需要传sub_appid
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SubIsSubscribe *bool `xml:"sub_is_subscribe"` // 用户是否关注子公众账号，仅在公众账号类型支付有效，取值范围：Y或N;Y-关注;N-未关注
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FeeType string `xml:"fee_type"` // 货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY，其他值列表详见货币类型
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SettlementTotalFee *int64 `xml:"settlement_total_fee"` // 应结订单金额=订单金额-非充值代金券金额，应结订单金额<=订单金额。
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CouponFee *int64 `xml:"coupon_fee"` // 代金券金额
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CashFeeType string `xml:"cash_fee_type"` // 货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY，其他值列表详见货币类型
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Attach string `xml:"attach"` // 附加数据，原样返回
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PromotionDetail string `xml:"promotion_detail"` // 营销详情
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}
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// MicroPay2 提交刷卡支付.
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func MicroPay2(clt *core.Client, req *MicroPayRequest) (resp *MicroPayResponse, err error) {
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m1 := make(map[string]string, 24)
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m1["body"] = req.Body
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m1["out_trade_no"] = req.OutTradeNo
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m1["total_fee"] = strconv.FormatInt(req.TotalFee, 10)
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m1["spbill_create_ip"] = req.SpbillCreateIP
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m1["auth_code"] = req.AuthCode
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if req.DeviceInfo != "" {
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m1["device_info"] = req.DeviceInfo
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}
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if req.NonceStr != "" {
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m1["nonce_str"] = req.NonceStr
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} else {
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m1["nonce_str"] = util.NonceStr()
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}
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if req.SignType != "" {
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m1["sign_type"] = req.SignType
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}
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if req.Detail != "" {
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m1["detail"] = req.Detail
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}
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if req.Attach != "" {
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m1["attach"] = req.Attach
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}
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if req.FeeType != "" {
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m1["fee_type"] = req.FeeType
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}
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if req.GoodsTag != "" {
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m1["goods_tag"] = req.GoodsTag
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}
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if req.LimitPay != "" {
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m1["limit_pay"] = req.LimitPay
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}
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if req.SceneInfo != "" {
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m1["scene_info"] = req.SceneInfo
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}
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m2, err := MicroPay(clt, m1)
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if err != nil {
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return nil, err
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}
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resp = &MicroPayResponse{
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OpenId: m2["openid"],
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TradeType: m2["trade_type"],
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BankType: m2["bank_type"],
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TransactionId: m2["transaction_id"],
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OutTradeNo: m2["out_trade_no"],
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DeviceInfo: m2["device_info"],
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SubOpenId: m2["sub_openid"],
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FeeType: m2["fee_type"],
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CashFeeType: m2["cash_fee_type"],
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Attach: m2["attach"],
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PromotionDetail: m2["promotion_detail"],
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}
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if str := m2["is_subscribe"]; str != "" {
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if str == "Y" || str == "y" {
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resp.IsSubscribe = true
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}
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}
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if str := m2["total_fee"]; str != "" {
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if n, err := strconv.ParseInt(str, 10, 64); err != nil {
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err = fmt.Errorf("parse total_fee:%q to int64 failed: %s", str, err.Error())
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return nil, err
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} else {
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resp.TotalFee = n
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}
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}
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if str := m2["cash_fee"]; str != "" {
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if n, err := strconv.ParseInt(str, 10, 64); err != nil {
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err = fmt.Errorf("parse cash_fee:%q to int64 failed: %s", str, err.Error())
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return nil, err
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} else {
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resp.CashFee = n
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}
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}
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if str := m2["time_end"]; str != "" {
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if t, err := core.ParseTime(str); err != nil {
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err = fmt.Errorf("parse time_end:%q to time.Time failed: %s", str, err.Error())
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return nil, err
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} else {
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resp.TimeEnd = t
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}
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}
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if str := m2["sub_is_subscribe"]; str != "" {
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if str == "Y" || str == "y" {
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resp.SubIsSubscribe = util.Bool(true)
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} else {
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resp.SubIsSubscribe = util.Bool(false)
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}
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}
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if str := m2["settlement_total_fee"]; str != "" {
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if n, err := strconv.ParseInt(str, 10, 64); err != nil {
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err = fmt.Errorf("parse settlement_total_fee:%q to int64 failed: %s", str, err.Error())
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return nil, err
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} else {
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resp.SettlementTotalFee = util.Int64(n)
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}
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}
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if str := m2["coupon_fee"]; str != "" {
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if n, err := strconv.ParseInt(str, 10, 64); err != nil {
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err = fmt.Errorf("parse coupon_fee:%q to int64 failed: %s", str, err.Error())
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return nil, err
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} else {
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resp.CouponFee = util.Int64(n)
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}
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}
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// 校验返回参数
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if req.OutTradeNo != resp.OutTradeNo {
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err = fmt.Errorf("out_trade_no mismatch, have: %s, want: %s", resp.OutTradeNo, req.OutTradeNo)
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return nil, err
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}
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if req.TotalFee != resp.TotalFee {
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err = fmt.Errorf("total_fee mismatch, have: %d, want: %d", resp.TotalFee, req.TotalFee)
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return nil, err
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}
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return resp, nil
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}
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