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优化与代理服务的密钥存储与传递方式；更新套餐，账单查询对长效套餐的支持，新增长效套餐分页查询接口

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This commit is contained in:
luorijun
2025-05-22 14:55:04 +08:00
parent 6f1bc72912
commit 15ffccf554
7 changed files with 308 additions and 81 deletions
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77
web/globals/proxy.go
View File

@@ -1,6 +1,11 @@
package globals
import (
"crypto/aes"
"crypto/cipher"
"crypto/rand"
"encoding/base32"
"encoding/base64"
"encoding/json"
"fmt"
"net/http"
@@ -29,15 +34,19 @@ type ProxyPermitConfig struct {
Expire time.Time `json:"expire"`
}
func (p *ProxyClient) Permit(proxy string, config []*ProxyPermitConfig) error {
func (p *ProxyClient) Permit(host string, secret string, config []*ProxyPermitConfig) error {
str, err := json.Marshal(config)
// 请求体加密
body, err := encrypt(config, secret)
if err != nil {
return err
return fmt.Errorf("加密请求失败: %w", err)
}
body := strings.NewReader(string(str))
resp, err := http.Post(fmt.Sprintf("%s:8848%s", proxy, PermitEndpoint), "application/json", body)
resp, err := http.Post(
fmt.Sprintf("http://%s:8848%s", host, PermitEndpoint),
"application/json",
strings.NewReader(body),
)
if err != nil {
return err
}
@@ -49,3 +58,61 @@ func (p *ProxyClient) Permit(proxy string, config []*ProxyPermitConfig) error {
return nil
}
func encrypt(req []*ProxyPermitConfig, secretStr string) (string, error) {
var encoding = base32.StdEncoding.WithPadding(base32.NoPadding)
// 创建 AES 密钥
secret, err := encoding.DecodeString(secretStr)
if err != nil {
return "", fmt.Errorf("解码 AES 密钥字符串失败: %w", err)
}
block, err := aes.NewCipher(secret)
if err != nil {
return "", fmt.Errorf("创建 AES 密钥失败: %w", err)
}
gcm, err := cipher.NewGCM(block)
if err != nil {
return "", fmt.Errorf("创建 AES GCM 失败: %w", err)
}
// 加密内容
bytes, err := json.Marshal(req)
if err != nil {
return "", fmt.Errorf("配置参数序列化失败: %w", err)
}
nonceBytes := make([]byte, gcm.NonceSize())
if _, err := rand.Read(nonceBytes); err != nil {
return "", fmt.Errorf("生成随机数失败: %w", err)
}
nonce := base32.StdEncoding.WithPadding(base32.NoPadding).EncodeToString(nonceBytes)
timestamp := time.Now().UnixMilli()
aad := fmt.Sprintf("%s:%d", nonce, timestamp)
ciphertext := gcm.Seal(nil, nonceBytes, bytes, []byte(aad))
encoded := base64.StdEncoding.EncodeToString(ciphertext)
// 生成请求体
encrypted := EncryptReq{
Content: encoded,
Nonce: nonce,
Timestamp: timestamp,
}
body, err := json.Marshal(encrypted)
if err != nil {
return "", fmt.Errorf("请求参数序列化失败: %w", err)
}
return string(body), nil
}
type EncryptReq struct {
Content string `json:"content"`
Nonce string `json:"nonce"`
Timestamp int64 `json:"timestamp"`
}

2
web/handlers/bill.go
View File

@@ -53,7 +53,7 @@ func ListBill(c *fiber.Ctx) error {
bills, err := q.Bill.Where(do).
Preload(q.Bill.Resource, q.Bill.Trade, q.Bill.Refund).
Preload(q.Bill.Resource.Short).
Preload(q.Bill.Resource.Short, q.Bill.Resource.Long).
Order(q.Bill.CreatedAt.Desc()).
Offset(req.GetOffset()).
Limit(req.GetLimit()).

14
web/handlers/proxy.go
View File

@@ -2,6 +2,7 @@ package handlers
import (
"crypto/rand"
"encoding/base32"
"github.com/gofiber/fiber/v2"
"log/slog"
auth2 "platform/web/auth"
@@ -44,7 +45,16 @@ func OnlineProxy(c *fiber.Ctx) (err error) {
// 创建代理
var ip = c.Context().RemoteIP()
var secret = rand.Text()
var secretBytes = make([]byte, 16)
if _, err := rand.Read(secretBytes); err != nil {
return err
}
var secret = base32.StdEncoding.
WithPadding(base32.NoPadding).
EncodeToString(secretBytes)
slog.Debug("生成随机密钥", "ip", ip, "secret", secret)
var proxy = &m.Proxy{
Name: req.Name,
Version: int32(req.Version),
@@ -53,7 +63,7 @@ func OnlineProxy(c *fiber.Ctx) (err error) {
Secret: secret,
Status: 1,
}
err = q.Proxy.
err = q.Proxy.Debug().
Clauses(clause.OnConflict{
UpdateAll: true,
Columns: []clause.Column{

153
web/handlers/resource.go
View File

@@ -15,7 +15,7 @@ import (
"github.com/gofiber/fiber/v2"
)
// region ListResourceShort
// region 查询套餐
type ListResourceShortReq struct {
core.PageReq
@@ -28,7 +28,6 @@ type ListResourceShortReq struct {
ExpireBefore *time.Time `json:"expire_before"`
}
// ListResourceShort 获取套餐列表
func ListResourceShort(c *fiber.Ctx) error {
// 检查权限
authContext, err := auth.Protect(c, []auth.PayloadType{auth.PayloadUser}, []string{})
@@ -43,8 +42,10 @@ func ListResourceShort(c *fiber.Ctx) error {
}
// 查询套餐列表
do := q.Resource.
Where(q.Resource.UserID.Eq(authContext.Payload.Id))
do := q.Resource.Where(
q.Resource.UserID.Eq(authContext.Payload.Id),
q.Resource.Type.Eq(int32(resource2.TypeShort)),
)
if req.ResourceNo != nil && *req.ResourceNo != "" {
do.Where(q.Resource.ResourceNo.Eq(*req.ResourceNo))
}
@@ -67,7 +68,7 @@ func ListResourceShort(c *fiber.Ctx) error {
do.Where(q.ResourceShort.As(q.Resource.Short.Name()).Expire.Lte(orm.LocalDateTime(*req.ExpireBefore)))
}
resource, err := q.Resource.Where(do).
resource, err := q.Resource.Debug().Where(do).
Joins(q.Resource.Short).
Order(q.Resource.CreatedAt.Desc()).
Offset(req.GetOffset()).
@@ -97,42 +98,136 @@ func ListResourceShort(c *fiber.Ctx) error {
})
}
// endregion
// region AllResource
type AllResourceReq struct {
type ListResourceLongReq struct {
core.PageReq
ResourceNo *string `json:"resource_no"`
Active *bool `json:"active"`
Type *int `json:"type"`
CreateAfter *time.Time `json:"create_after"`
CreateBefore *time.Time `json:"create_before"`
ExpireAfter *time.Time `json:"expire_after"`
ExpireBefore *time.Time `json:"expire_before"`
}
func AllResource(c *fiber.Ctx) error {
func ListResourceLong(c *fiber.Ctx) error {
// 检查权限
authContext, err := auth.Protect(c, []auth.PayloadType{auth.PayloadUser}, []string{})
if err != nil {
return err
}
// 解析请求参数
req := new(ListResourceLongReq)
if err := c.BodyParser(req); err != nil {
return err
}
// 查询套餐列表
short := q.ResourceShort.As(q.Resource.Short.Name())
do := q.Resource.
Joins(q.Resource.Short).
do := q.Resource.Where(
q.Resource.UserID.Eq(authContext.Payload.Id),
q.Resource.Type.Eq(int32(resource2.TypeLong)),
)
if req.ResourceNo != nil && *req.ResourceNo != "" {
do.Where(q.Resource.ResourceNo.Eq(*req.ResourceNo))
}
if req.Active != nil {
do.Where(q.Resource.Active.Is(*req.Active))
}
if req.Type != nil {
do.Where(q.ResourceLong.As(q.Resource.Long.Name()).Type.Eq(int32(*req.Type)))
}
if req.CreateAfter != nil {
do.Where(q.Resource.CreatedAt.Gte(orm.LocalDateTime(*req.CreateAfter)))
}
if req.CreateBefore != nil {
do.Where(q.Resource.CreatedAt.Lte(orm.LocalDateTime(*req.CreateBefore)))
}
if req.ExpireAfter != nil {
do.Where(q.ResourceLong.As(q.Resource.Long.Name()).Expire.Gte(orm.LocalDateTime(*req.ExpireAfter)))
}
if req.ExpireBefore != nil {
do.Where(q.ResourceLong.As(q.Resource.Long.Name()).Expire.Lte(orm.LocalDateTime(*req.ExpireBefore)))
}
resource, err := q.Resource.Debug().Where(do).
Joins(q.Resource.Long).
Order(q.Resource.CreatedAt.Desc()).
Offset(req.GetOffset()).
Limit(req.GetLimit()).
Find()
if err != nil {
return err
}
var total int64
if len(resource) < req.GetLimit() {
total = int64(len(resource) + req.GetOffset())
} else {
total, err = q.Resource.
Where(do).
Count()
if err != nil {
return err
}
}
return c.JSON(core.PageResp{
Total: int(total),
Page: req.GetPage(),
Size: req.GetSize(),
List: resource,
})
}
type AllResourceReq struct {
}
func AllActiveResource(c *fiber.Ctx) error {
// 检查权限
authCtx, err := auth.NewProtect(c).Payload(auth.PayloadUser).Do()
if err != nil {
return err
}
// 查询套餐列表
var now = time.Now()
var short = q.ResourceShort.As(q.Resource.Short.Name())
var long = q.ResourceLong.As(q.Resource.Long.Name())
resources, err := q.Resource.
Joins(
q.Resource.Short,
q.Resource.Long,
).
Where(
q.Resource.UserID.Eq(authContext.Payload.Id),
q.Resource.UserID.Eq(authCtx.Payload.Id),
q.Resource.Active.Is(true),
q.Resource.Where(
short.Type.Eq(int32(resource2.ModeTime)),
short.Expire.Gte(orm.LocalDateTime(time.Now())),
q.Resource.Type.Eq(int32(resource2.TypeShort)),
q.ResourceShort.As(q.Resource.Short.Name()).Where(
short.Type.Eq(int32(resource2.ModeTime)),
short.Expire.Gte(orm.LocalDateTime(now)),
q.ResourceShort.As(q.Resource.Short.Name()).
Where(short.DailyLast.Lt(orm.LocalDateTime(u.Today()))).
Or(short.DailyLimit.GtCol(short.DailyUsed)),
).Or(
short.Type.Eq(int32(resource2.ModeCount)),
short.Quota.GtCol(short.Used),
),
).Or(
short.Type.Eq(int32(resource2.ModeCount)),
short.Quota.GtCol(short.Used),
q.Resource.Type.Eq(int32(resource2.TypeLong)),
q.ResourceLong.As(q.Resource.Long.Name()).Where(
long.Type.Eq(int32(resource2.ModeTime)),
long.Expire.Gte(orm.LocalDateTime(now)),
q.ResourceLong.As(q.Resource.Long.Name()).
Where(long.DailyLast.Lt(orm.LocalDateTime(u.Today()))).
Or(long.DailyLimit.GtCol(long.DailyUsed)),
).Or(
long.Type.Eq(int32(resource2.ModeCount)),
long.Quota.GtCol(long.Used),
),
),
q.Resource.Where(
short.DailyLast.Lt(orm.LocalDateTime(u.Today())),
).Or(
short.DailyUsed.LtCol(short.DailyLimit),
),
)
resources, err := do.Debug().
).
Order(q.Resource.CreatedAt.Desc()).
Find()
if err != nil {
@@ -144,7 +239,7 @@ func AllResource(c *fiber.Ctx) error {
// endregion
// region CreateResource
// region 创建套餐
type CreateResourceReq struct {
s.CreateResourceSerializer
@@ -229,7 +324,7 @@ func CompleteCreateResource(c *fiber.Ctx) error {
// 完成创建套餐
var now = time.Now()
err = s.Resource.CompleteResource(req.TradeNo, now, nil)
err = s.Resource.CompleteResource(req.TradeNo, now)
if err != nil {
return err
}

3
web/router.go
View File

@@ -38,7 +38,8 @@ func ApplyRouters(app *fiber.App) {
// 套餐
resource := api.Group("/resource")
resource.Post("/list/short", handlers.ListResourceShort)
resource.Post("/all", handlers.AllResource)
resource.Post("/list/long", handlers.ListResourceLong)
resource.Post("/all", handlers.AllActiveResource)
resource.Post("/create", handlers.CreateResource)
resource.Post("/create/prepare", handlers.PrepareCreateResource)
resource.Post("/create/complete", handlers.CompleteCreateResource)

76
web/services/channel.go
View File

@@ -4,7 +4,6 @@ import (
"context"
"database/sql"
"fmt"
"github.com/gofiber/fiber/v2"
"gorm.io/gen/field"
"log/slog"
"math"
@@ -52,7 +51,7 @@ func (s *channelService) RemoveChannels(ctx context.Context, authCtx *auth.Conte
// 检查权限，如果为用户操作的话，则只能删除自己的通道
for _, channel := range channels {
if authCtx.Payload.Type == auth.PayloadUser && authCtx.Payload.Id != channel.UserID {
return fiber.NewError(fiber.StatusForbidden)
return ErrRemoveForbidden
}
}
@@ -228,13 +227,14 @@ func (s *channelService) CreateChannel(
AuthIp: authType == ChannelAuthTypeIp,
Whitelists: whitelist,
AuthPass: authType == ChannelAuthTypePass,
Expiration: now.Add(time.Duration(resource.Live) * time.Second),
}
switch resource2.Type(resource.Type) {
switch resource.Type {
case resource2.TypeShort:
config.Expiration = now.Add(time.Duration(resource.Live) * time.Second)
channels, err = assignShortChannels(q, authCtx.Payload.Id, count, config, filter, now)
case resource2.TypeLong:
config.Expiration = now.Add(time.Duration(resource.Live) * time.Hour)
channels, err = assignLongChannels(q, authCtx.Payload.Id, count, config, filter)
}
if err != nil {
@@ -260,8 +260,8 @@ func findResource(q *q.Query, resourceId int32, userId int32, count int, now tim
resource, err := q.Resource.
Preload(
q.Resource.Short.On(q.Resource.Type.Eq(int32(resource2.TypeShort))),
q.Resource.Long.On(q.Resource.Type.Eq(int32(resource2.TypeLong))),
q.Resource.Short,
q.Resource.Long,
).
Where(
q.Resource.ID.Eq(resourceId),
@@ -560,9 +560,22 @@ func assignLongChannels(q *q.Query, userId int32, count int, config ChannelCreat
// 查询符合条件的节点，根据 channel 统计使用次数
var edges = make([]struct {
m.Edge
Count int
Host string
Count int
Host string
Secret string
}, 0)
do := q.Edge.Where(q.Edge.Status.Eq(1))
if filter.Prov != "" {
do = do.Where(q.Edge.Prov.Eq(filter.Prov))
}
if filter.City != "" {
do = do.Where(q.Edge.City.Eq(filter.City))
}
if filter.Isp != "" {
do = do.Where(q.Edge.Isp.Eq(int32(edge2.ISPFromStr(filter.Isp))))
}
err := q.Edge.
LeftJoin(q.Channel, q.Channel.EdgeID.EqCol(q.Edge.ID)).
LeftJoin(q.Proxy, q.Proxy.ID.EqCol(q.Edge.ProxyID)).
@@ -570,20 +583,19 @@ func assignLongChannels(q *q.Query, userId int32, count int, config ChannelCreat
q.Edge.ALL,
q.Channel.ALL.Count().As("count"),
q.Proxy.Host,
q.Proxy.Secret,
).
Group(q.Edge.ID).
Where(
q.Edge.Prov.Eq(filter.Prov),
q.Edge.City.Eq(filter.City),
q.Edge.Isp.Eq(int32(edge2.ISPFromStr(filter.Isp))),
q.Edge.Status.Eq(1),
).
Group(q.Edge.ID, q.Proxy.Host, q.Proxy.Secret).
Where(do).
Order(field.NewField("", "count").Asc()).
Scan(edges)
Limit(count).
Scan(&edges)
if err != nil {
return nil, err
}
fmt.Printf("edges: %v\n", edges)
if len(edges) == 0 {
return nil, ErrEdgesNoAvailable
}
// 计算分配负载（考虑去重，维护一个节点使用记录表，优先分配未使用节点，达到算法额定负载后再选择负载最少的节点）
var total = count
@@ -593,8 +605,17 @@ func assignLongChannels(q *q.Query, userId int32, count int, config ChannelCreat
var avg = int(math.Ceil(float64(total) / float64(len(edges))))
var channels = make([]*m.Channel, 0, count)
var reqs = make(map[string][]*g.ProxyPermitConfig)
var proxies = make(map[int32]*m.Proxy)
var reqs = make(map[int32][]*g.ProxyPermitConfig)
for _, edge := range edges {
if _, ok := proxies[edge.ProxyID]; !ok {
proxies[edge.ProxyID] = &m.Proxy{
ID: edge.ProxyID,
Host: edge.Host,
Secret: edge.Secret,
}
}
prev := edge.Count
next := int(math.Max(float64(prev), float64(int(math.Min(float64(avg), float64(total))))))
total -= next
@@ -613,6 +634,8 @@ func assignLongChannels(q *q.Query, userId int32, count int, config ChannelCreat
AuthIP: config.AuthIp,
AuthPass: config.AuthPass,
Expiration: orm.LocalDateTime(config.Expiration),
ProxyHost: edge.Host,
ProxyPort: edge.ProxyPort,
}
if config.AuthPass {
username, password := genPassPair()
@@ -634,15 +657,17 @@ func assignLongChannels(q *q.Query, userId int32, count int, config ChannelCreat
req.Username = &channel.Username
req.Password = &channel.Password
}
reqs[edge.Host] = append(reqs[edge.Host], req)
reqs[edge.ProxyID] = append(reqs[edge.ProxyID], req)
}
}
// 发送配置到网关
if env.DebugExternalChange {
var step = time.Now()
for host, reqs := range reqs {
err := g.Proxy.Permit(host, reqs)
for id, reqs := range reqs {
proxy := proxies[id]
err := g.Proxy.Permit(proxy.Host, proxy.Secret, reqs)
if err != nil {
return nil, err
}
@@ -654,6 +679,9 @@ func assignLongChannels(q *q.Query, userId int32, count int, config ChannelCreat
}
func saveAssigns(q *q.Query, resource *ResourceInfo, channels []*m.Channel, now time.Time) (err error) {
if len(channels) == 0 {
return nil
}
// 缓存通道数据
pipe := g.Redis.TxPipeline()
@@ -687,7 +715,7 @@ func saveAssigns(q *q.Query, resource *ResourceInfo, channels []*m.Channel, now
// 更新套餐使用记录
var count = len(channels)
var last = time.Time(resource.DailyLast)
var last = resource.DailyLast
var dailyUsed int32
if now.Year() != last.Year() || now.Month() != last.Month() || now.Day() != last.Day() {
dailyUsed = int32(count)
@@ -695,7 +723,7 @@ func saveAssigns(q *q.Query, resource *ResourceInfo, channels []*m.Channel, now
dailyUsed = resource.DailyUsed + int32(count)
}
switch resource2.Type(resource.Type) {
switch resource.Type {
case resource2.TypeShort:
_, err = q.ResourceShort.
Where(q.ResourceShort.ResourceID.Eq(resource.Id)).
@@ -788,4 +816,6 @@ const (
ErrResourceExhausted = ChannelServiceErr("套餐已用完")
ErrResourceExpired = ChannelServiceErr("套餐已过期")
ErrResourceDailyLimit = ChannelServiceErr("套餐每日配额已用完")
ErrRemoveForbidden = ChannelServiceErr("删除通道失败，当前用户没有权限")
ErrEdgesNoAvailable = ChannelServiceErr("没有可用的节点")
)

64
web/services/resource.go
View File

@@ -5,7 +5,6 @@ import (
"database/sql"
"encoding/json"
"fmt"
"github.com/gofiber/fiber/v2"
"github.com/shopspring/decimal"
bill2 "platform/web/domains/bill"
resource2 "platform/web/domains/resource"
@@ -44,7 +43,7 @@ func (s *resourceService) CreateResource(uid int32, now time.Time, ser *CreateRe
// 检查余额
if user.Balance.Cmp(amount) < 0 {
return fiber.NewError(fiber.StatusBadRequest, "余额不足")
return ErrBalanceNotEnough
}
// 保存套餐
@@ -70,7 +69,9 @@ func (s *resourceService) CreateResource(uid int32, now time.Time, ser *CreateRe
}
// 更新用户余额
_, err = q.User.UpdateSimple(q.User.Balance.Value(user.Balance.Sub(amount)))
_, err = q.User.
Where(q.User.ID.Eq(uid)).
UpdateSimple(q.User.Balance.Value(user.Balance.Sub(amount)))
if err != nil {
return err
}
@@ -115,7 +116,7 @@ func (s *resourceService) PrepareResource(uid int32, now time.Time, method trade
}
// 保存请求缓存
resourceSerializer := CreateResourceSerializer{}
resourceSerializer := new(CreateResourceSerializer)
if err := resourceSerializer.ByData(data); err != nil {
return err
}
@@ -154,7 +155,7 @@ func (s *resourceService) CompleteResource(tradeNo string, now time.Time, opResu
// 检查交易结果
var rs *TransactionVerifyResult
if len(opResult) > 0 {
if len(opResult) > 0 && opResult[0] != nil {
rs = opResult[0]
} else {
var err error
@@ -296,7 +297,7 @@ type CreateResourceData interface {
}
type CreateShortResourceData struct {
Live int32 `json:"live" validate:"required min=180"`
Live int32 `json:"live" validate:"required,min=180"`
Mode int32 `json:"mode" validate:"required"`
Expire int32 `json:"expire"`
DailyLimit int32 `json:"daily_limit" validate:"min=2000"`
@@ -315,14 +316,13 @@ func (data *CreateShortResourceData) GetName() string {
case 2:
mode = "包量"
}
data.name = fmt.Sprintf("短效动态%s %d 天", mode, data.Live)
data.name = fmt.Sprintf("短效动态%s %v 分钟", mode, data.Live/60)
}
return data.name
}
func (data *CreateShortResourceData) GetPrice() decimal.Decimal {
if data.price == nil {
var factor int32
switch data.Mode {
case 1:
@@ -345,8 +345,8 @@ func (data *CreateShortResourceData) GetPrice() decimal.Decimal {
}
type CreateLongResourceData struct {
Live int32 `json:"live" validate:"required oneof=1,4,8,12,24"`
Mode int32 `json:"mode" validate:"required oneof=1,2"`
Live int32 `json:"live" validate:"required,oneof=1 4 8 12 24"`
Mode int32 `json:"mode" validate:"required,oneof=1 2"`
Expire int32 `json:"expire"`
DailyLimit int32 `json:"daily_limit" validate:"min=100"`
Quota int32 `json:"quota" validate:"min=500"`
@@ -364,14 +364,13 @@ func (data *CreateLongResourceData) GetName() string {
case 2:
mode = "包量"
}
data.name = fmt.Sprintf("长效动态%s %d 天", mode, data.Live)
data.name = fmt.Sprintf("长效动态%s %d 小时", mode, data.Live)
}
return data.name
}
func (data *CreateLongResourceData) GetPrice() decimal.Decimal {
if data.price == nil {
var factor int32 = 0
switch resource2.Mode(data.Mode) {
@@ -404,14 +403,6 @@ func (data *CreateLongResourceData) GetPrice() decimal.Decimal {
return *data.price
}
type CreateResourceCache struct {
Uid int32 `json:"uid"`
TradeId int32 `json:"trade_id"`
BillId int32 `json:"bill_id"`
Method trade2.Method `json:"method"`
CreateResourceSerializer
}
type CreateResourceSerializer struct {
Type resource2.Type `json:"type" validate:"required"`
Short *CreateShortResourceData `json:"short,omitempty"`
@@ -441,3 +432,36 @@ func (s *CreateResourceSerializer) ByData(data CreateResourceData) error {
}
return nil
}
type CreateResourceCache struct {
Uid int32 `json:"uid"`
TradeId int32 `json:"trade_id"`
BillId int32 `json:"bill_id"`
Method trade2.Method `json:"method"`
*CreateResourceSerializer
}
func (c CreateResourceCache) MarshalBinary() (data []byte, err error) {
data, err = json.Marshal(c)
if err != nil {
return nil, err
}
return data, nil
}
func (c CreateResourceCache) UnmarshalBinary(data []byte) error {
if err := json.Unmarshal(data, &c); err != nil {
return err
}
return nil
}
type ResourceServiceErr string
func (e ResourceServiceErr) Error() string {
return string(e)
}
const (
ErrBalanceNotEnough = ResourceServiceErr("余额不足")
)