修复整数没有补位0导致无法匹配交易

v0.0.1
init
2026-07-07 18:26:16 +00:00 · 2022-03-29 21:33:23 +08:00 · 2022-03-29 20:26:03 +08:00 · 2022-03-29 20:25:05 +08:00
17 changed files with 176 additions and 912 deletions
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  You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
 <https://www.gnu.org/licenses/>.
  The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
 <https://www.gnu.org/licenses/why-not-lgpl.html>.
@@ -7,7 +7,7 @@
 <a href="https://golang.org"><img src="https://img.shields.io/badge/Golang-1.16-red" alt="Go version 1.16"></a>
 <a href="https://echo.labstack.com"><img src="https://img.shields.io/badge/Echo Framework-v4-blue" alt="Echo Framework v4"></a>
 <a href="https://github.com/tucnak/telebot"><img src="https://img.shields.io/badge/Telebot Framework-v3-lightgrey" alt="Telebot Framework-v3"></a>
-<a href="https://github.com/assimon/epusdt/releases/tag/v0.0.2"><img src="https://img.shields.io/badge/version-v0.0.2-green" alt="version v0.0.2"></a>
+<a href="https://github.com/assimon/epusdt/releases/tag/v0.0.1"><img src="https://img.shields.io/badge/version-v0.0.1-green" alt="version v0.0.1"></a>
 </p>
@@ -44,9 +44,6 @@ Epusdt
 ## 已适配系统插件
 - 独角数卡[插件地址](plugins/dujiaoka)
 ## 加入交流/意见反馈
 - `Epusdt`频道[https://t.me/epusdt](https://t.me/epusdt)
 - `Epusdt`交流群组[https://t.me/epusdt_group](https://t.me/epusdt_group)
 ## 设计实现
 `Epusdt`的实现方式与其他项目原理类似，都是通过监听`trc20`网络的api或节点，      
@@ -63,16 +60,6 @@ Epusdt
 ### 流程图：
 ![Implementation principle](wiki/img/implementation_principle.jpg)
 ## 打赏
 如果该项目对您有所帮助，希望可以请我喝一杯咖啡☕️
 ```
 Usdt(trc20)打赏地址: TNEns8t9jbWENbStkQdVQtHMGpbsYsQjZK
 ```
 <img src="wiki/img/usdt_thanks.jpeg" width = "300" height = "400" alt="usdt扫码打赏"/>
 ## 声明
 `Epusdt`为开源的产品，仅用于学习交流使用！       
 不可用于任何违反中华人民共和国(含台湾省)或使用者所在地区法律法规的用途。           
@@ -15,8 +15,8 @@ builds:
      - windows
    goarch:
      - amd64
-      - arm
+      #- arm
-      - 386
+      #- 386
 archives:
  - replacements:
      darwin: Darwin
@@ -25,7 +25,7 @@ archives:
      386: i386
      amd64: x86_64
    id: epusdt
-    name_template: "{{ .ProjectName }}_v0.0.2_{{ .Os }}_{{ .Arch }}"
+    name_template: "{{ .ProjectName }}_v0.0.1_{{ .Os }}_{{ .Arch }}"
    format: tar.gz
    files:
      - .env.example
@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"github.com/spf13/viper"
 	"os"
 	"time"
 )
 var (
@@ -54,7 +53,7 @@ func Init() {
 }
 func GetAppVersion() string {
-	return "0.0.2"
+	return "0.0.1"
 }
 func GetAppName() string {
@@ -91,8 +90,3 @@ func GetOrderExpirationTime() int {
 	}
 	return timer
 }
 func GetOrderExpirationTimeDuration() time.Duration {
 	timer := GetOrderExpirationTime()
 	return time.Minute * time.Duration(timer)
 }
@@ -6,11 +6,10 @@ require (
 	github.com/go-redis/redis/v8 v8.11.5
 	github.com/go-resty/resty/v2 v2.7.0
 	github.com/golang-module/carbon/v2 v2.0.1
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/gookit/color v1.5.0
-	github.com/gookit/goutil v0.4.6
+	github.com/gookit/goutil v0.4.4
-	github.com/gookit/validate v1.3.1
+	github.com/gookit/validate v1.2.11
-	github.com/hibiken/asynq v0.23.0
+	github.com/hibiken/asynq v0.22.1
 	github.com/json-iterator/go v1.1.12
 	github.com/labstack/echo/v4 v4.6.0
 	github.com/natefinch/lumberjack v2.0.0+incompatible
@@ -20,9 +19,6 @@ require (
 	github.com/spf13/cobra v1.2.1
 	github.com/spf13/viper v1.9.0
 	go.uber.org/zap v1.17.0
 	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
 	golang.org/x/time v0.0.0-20220411224347-583f2d630306 // indirect
 	google.golang.org/protobuf v1.28.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/telebot.v3 v3.0.0
 	gorm.io/driver/mysql v1.1.2
@@ -186,8 +186,6 @@ github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm4
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
 github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
 github.com/googleapis/gax-go/v2 v2.1.0/go.mod h1:Q3nei7sK6ybPYH7twZdmQpAd1MKb7pfu6SK+H1/DsU0=
@@ -199,12 +197,8 @@ github.com/gookit/filter v1.1.2/go.mod h1:pVXLLDD+A8yH9GRztq2Cp7zwZocnuTUpbZs9Q+
 github.com/gookit/goutil v0.3.12/go.mod h1:ITj7Lw0muhJNOX+QRa+j+HH0+RNoQVuTmZx5d5LE1vE=
 github.com/gookit/goutil v0.4.4 h1:18xr8NKbs4LteyOHZfQ8g7JqTqZal801mAT6LERGdpE=
 github.com/gookit/goutil v0.4.4/go.mod h1:qlGVh0PI+WnWSjYnIocfz/7tkeogxL6+EDNP1mRe+7o=
 github.com/gookit/goutil v0.4.6 h1:LSATnmIyR0rV4BMj3XyaKFYtX/HbRURnPVHt6Zb5ABs=
 github.com/gookit/goutil v0.4.6/go.mod h1:pq1eTibwb2wN96jrci0xy7xogWzzo9CihOQJEAvz4yQ=
 github.com/gookit/validate v1.2.11 h1:zUMsezhMrW3Cy8St3cQJgCKB1ZIbKOWK8e7WMSuVIRc=
 github.com/gookit/validate v1.2.11/go.mod h1:wXo0Vr+AzFUCEUCbTFXgKlPfT+V/V0wPK3zLp49jQq0=
 github.com/gookit/validate v1.3.1 h1:YoxBxG5H+WucKjfEo8X+QvYOzED7ue3Mfpq6jtpIbYs=
 github.com/gookit/validate v1.3.1/go.mod h1:mzcr3U5XtAlQVAgbW0wbmDGiuefU/MNuDkXFMBNb1ko=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
@@ -238,8 +232,6 @@ github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/J
 github.com/hashicorp/serf v0.9.5/go.mod h1:UWDWwZeL5cuWDJdl0C6wrvrUwEqtQ4ZKBKKENpqIUyk=
 github.com/hibiken/asynq v0.22.1 h1:t7bbiz2O4MC69qKeKp5UON7ToxynBNXT/kTP/XYq9M8=
 github.com/hibiken/asynq v0.22.1/go.mod h1:K70jPVx+CAmmQrXot7Dru0D52EO7ob4BIun3ri5z1Qw=
 github.com/hibiken/asynq v0.23.0 h1:kmKkNFgqiXBatC8oz94Mer6uvKoGn4STlIVDV5wnKyE=
 github.com/hibiken/asynq v0.23.0/go.mod h1:K70jPVx+CAmmQrXot7Dru0D52EO7ob4BIun3ri5z1Qw=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
@@ -378,7 +370,6 @@ github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
@@ -596,8 +587,6 @@ golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 h1:XfKQ4OlFl8okEOr5UvAqFRVj8pY/4yfcXrddB8qAbU0=
 golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad h1:ntjMns5wyP/fN65tdBD4g8J5w8n015+iIIs9rtjXkY0=
 golang.org/x/sys v0.0.0-20220412211240-33da011f77ad/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -615,8 +604,6 @@ golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 h1:Hir2P/De0WpUhtrKGGjvSb2YxUgyZ7EFOSLIcSSpiwE=
 golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20220411224347-583f2d630306 h1:+gHMid33q6pen7kv9xvT+JRinntgeXO2AeZVd0AWD3w=
 golang.org/x/time v0.0.0-20220411224347-583f2d630306/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
@@ -806,8 +793,6 @@ google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp0
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
@@ -8,11 +8,11 @@ import (
 	"github.com/assimon/luuu/model/request"
 	"github.com/go-redis/redis/v8"
 	"gorm.io/gorm"
 	"time"
 )
 var (
-	CacheWalletAddressWithAmountToTradeIdKey = "wallet:%s_%v" // 钱包_待支付金额 : 交易号
+	CacheWalletAddressToAvailableAmountKey = "WalletAddressToAvailableAmountKey:" // 钱包 - 可用金额 - 过期时间
 	CacheWalletAddressToOrdersKey          = "WalletAddressToOrdersKey:"          // 钱包 - 待支付金额 - 订单号
 )
 // GetOrderInfoByOrderId 通过客户订单号查询订单
@@ -78,11 +78,36 @@ func UpdateOrderIsExpirationById(id uint64) error {
 	return err
 }
-// GetTradeIdByWalletAddressAndAmount 通过钱包地址，支付金额获取交易号
+// LockPayCache 锁定支付池
-func GetTradeIdByWalletAddressAndAmount(token string, amount float64) (string, error) {
+func LockPayCache(token, tradeId, amount string, expirationTime int64) error {
 	// 载入Redis
 	ctx := context.Background()
-	cacheKey := fmt.Sprintf(CacheWalletAddressWithAmountToTradeIdKey, token, amount)
+	pipe := dao.Rdb.TxPipeline()
-	result, err := dao.Rdb.Get(ctx, cacheKey).Result()
+	lockAvailableAmountKey := fmt.Sprintf("%s%s", CacheWalletAddressToAvailableAmountKey, token)
 	// 占用金额
 	pipe.HSet(ctx, lockAvailableAmountKey, amount, expirationTime)
 	// 标记金额对应订单号
 	lockWalletOrdersKey := fmt.Sprintf("%s%s", CacheWalletAddressToOrdersKey, token)
 	pipe.HSet(ctx, lockWalletOrdersKey, amount, tradeId)
 	_, err := pipe.Exec(ctx)
 	return err
 }
 // ClearPayCache 清理支付池
 func ClearPayCache(token, amount string) error {
 	ctx := context.Background()
 	lockAvailableAmountKey := fmt.Sprintf("%s%s", CacheWalletAddressToAvailableAmountKey, token)
 	lockWalletOrdersKey := fmt.Sprintf("%s%s", CacheWalletAddressToOrdersKey, token)
 	pipe := dao.Rdb.TxPipeline()
 	pipe.HDel(ctx, lockAvailableAmountKey, amount)
 	pipe.HDel(ctx, lockWalletOrdersKey, amount)
 	_, err := pipe.Exec(ctx)
 	return err
 }
 func GetTradeIdByAmount(ctx context.Context, token, amount string) (string, error) {
 	cacheKey := fmt.Sprintf("%s%s", CacheWalletAddressToOrdersKey, token)
 	result, err := dao.Rdb.HGet(ctx, cacheKey, amount).Result()
 	if err == redis.Nil {
 		return "", nil
 	}
@@ -92,18 +117,14 @@ func GetTradeIdByWalletAddressAndAmount(token string, amount float64) (string, e
 	return result, nil
 }
-// LockTransaction 锁定交易
+func GetExpirationTimeByAmount(ctx context.Context, token, amount string) (string, error) {
-func LockTransaction(token, tradeId string, amount float64, expirationTime time.Duration) error {
+	cacheKey := fmt.Sprintf("%s%s", CacheWalletAddressToAvailableAmountKey, token)
-	ctx := context.Background()
+	result, err := dao.Rdb.HGet(ctx, cacheKey, amount).Result()
-	cacheKey := fmt.Sprintf(CacheWalletAddressWithAmountToTradeIdKey, token, amount)
+	if err == redis.Nil {
-	err := dao.Rdb.Set(ctx, cacheKey, tradeId, expirationTime).Err()
+		return "", nil
 	return err
 	}
-
+	if err != nil {
-// UnLockTransaction 解锁交易
+		return "", err
-func UnLockTransaction(token string, amount float64) error {
+	}
-	ctx := context.Background()
+	return result, nil
 	cacheKey := fmt.Sprintf(CacheWalletAddressWithAmountToTradeIdKey, token, amount)
 	err := dao.Rdb.Del(ctx, cacheKey).Err()
 	return err
 }
@@ -6,7 +6,7 @@ import "github.com/gookit/validate"
 type CreateTransactionRequest struct {
 	OrderId     string  `json:"order_id" validate:"required|maxLen:32"`
 	Amount      float64 `json:"amount" validate:"required|isFloat|gt:0.01"`
-	NotifyUrl   string  `json:"notify_url" validate:"required"`
+	NotifyUrl   string  `json:"notify_url" validate:"required|isFullURL"`
 	Signature   string  `json:"signature"  validate:"required"`
 	RedirectUrl string  `json:"redirect_url"`
 }
@@ -23,7 +23,7 @@ func (r CreateTransactionRequest) Translates() map[string]string {
 // OrderProcessingRequest 订单处理
 type OrderProcessingRequest struct {
 	Token              string
-	Amount             float64
+	Amount             string
 	TradeId            string
 	BlockTransactionId string
 }
@@ -1,6 +1,7 @@
 package service
 import (
 	"context"
 	"fmt"
 	"github.com/assimon/luuu/config"
 	"github.com/assimon/luuu/model/dao"
@@ -10,40 +11,35 @@ import (
 	"github.com/assimon/luuu/model/response"
 	"github.com/assimon/luuu/mq"
 	"github.com/assimon/luuu/mq/handle"
 	"github.com/assimon/luuu/telegram"
 	"github.com/assimon/luuu/util/constant"
 	"github.com/assimon/luuu/util/math"
 	"github.com/golang-module/carbon/v2"
 	"github.com/gookit/goutil/mathutil"
 	"github.com/hibiken/asynq"
 	"github.com/shopspring/decimal"
 	"math/rand"
 	"strconv"
 	"sync"
 	"time"
 )
 const (
 	CnyMinimumPaymentAmount  = 0.01  // cny最低支付金额
 	UsdtMinimumPaymentAmount = 0.001 // usdt最低支付金额
 	UsdtAmountPerIncrement   = 0.001 // usdt每次递增金额
 	IncrementalMaximumNumber = 100   // 最大递增次数
 )
 var gCreateTransactionLock sync.Mutex
 // CreateTransaction 创建订单
 func CreateTransaction(req *request.CreateTransactionRequest) (*response.CreateTransactionResponse, error) {
 	gCreateTransactionLock.Lock()
 	defer gCreateTransactionLock.Unlock()
-	payAmount := math.MustParsePrecFloat64(req.Amount, 2)
+	// 汇率计算金额
-	// 按照汇率转化USDT
+	rmb := decimal.NewFromFloat(req.Amount)
-	decimalPayAmount := decimal.NewFromFloat(payAmount)
+	rate := decimal.NewFromFloat(config.GetUsdtRate())
-	decimalRate := decimal.NewFromFloat(config.GetUsdtRate())
+	amount := rmb.Div(rate).InexactFloat64()
-	decimalUsdt := decimalPayAmount.Div(decimalRate)
+	actualAmountStr := fmt.Sprintf("%.4f", amount)
-	// cny 是否可以满足最低支付金额
+	actualAmountFloat, err := strconv.ParseFloat(actualAmountStr, 64)
-	if decimalPayAmount.Cmp(decimal.NewFromFloat(CnyMinimumPaymentAmount)) == -1 {
+	if err != nil {
-		return nil, constant.PayAmountErr
+		return nil, err
 	}
-	// Usdt是否可以满足最低支付金额
+	// 是否可以满足最低支付金额
-	if decimalUsdt.Cmp(decimal.NewFromFloat(UsdtMinimumPaymentAmount)) == -1 {
+	if actualAmountFloat <= 0 {
 		return nil, constant.PayAmountErr
 	}
 	// 已经存在了的交易
@@ -62,20 +58,23 @@ func CreateTransaction(req *request.CreateTransactionRequest) (*response.CreateT
 	if len(walletAddress) <= 0 {
 		return nil, constant.NotAvailableWalletAddress
 	}
-	amount := math.MustParsePrecFloat64(decimalUsdt.InexactFloat64(), 3)
+	availableToken, availableAmountStr, err := CalculateAvailableWalletTokenAndAmount(actualAmountStr, walletAddress)
 	availableToken, availableAmount, err := CalculateAvailableWalletAndAmount(amount, walletAddress)
 	if err != nil {
 		return nil, err
 	}
-	if availableToken == "" {
+	if availableToken == "" || availableAmountStr == "" {
 		return nil, constant.NotAvailableAmountErr
 	}
 	availableAmountFloat, err := strconv.ParseFloat(availableAmountStr, 64)
 	if err != nil {
 		return nil, err
 	}
 	tx := dao.Mdb.Begin()
 	order := &mdb.Orders{
 		TradeId:      GenerateCode(),
 		OrderId:      req.OrderId,
 		Amount:       req.Amount,
-		ActualAmount: availableAmount,
+		ActualAmount: availableAmountFloat,
 		Token:        availableToken,
 		Status:       mdb.StatusWaitPay,
 		NotifyUrl:    req.NotifyUrl,
@@ -86,8 +85,9 @@ func CreateTransaction(req *request.CreateTransactionRequest) (*response.CreateT
 		tx.Rollback()
 		return nil, err
 	}
 	ExpirationTime := carbon.Now().AddMinutes(config.GetOrderExpirationTime()).Timestamp()
 	// 锁定支付池
-	err = data.LockTransaction(availableToken, order.TradeId, availableAmount, config.GetOrderExpirationTimeDuration())
+	err = data.LockPayCache(availableToken, order.TradeId, availableAmountStr, ExpirationTime)
 	if err != nil {
 		tx.Rollback()
 		return nil, err
@@ -95,8 +95,7 @@ func CreateTransaction(req *request.CreateTransactionRequest) (*response.CreateT
 	tx.Commit()
 	// 超时过期消息队列
 	orderExpirationQueue, _ := handle.NewOrderExpirationQueue(order.TradeId)
-	mq.MClient.Enqueue(orderExpirationQueue, asynq.ProcessIn(config.GetOrderExpirationTimeDuration()))
+	mq.MClient.Enqueue(orderExpirationQueue, asynq.ProcessIn(time.Minute*time.Duration(config.GetOrderExpirationTime())))
 	ExpirationTime := carbon.Now().AddMinutes(config.GetOrderExpirationTime()).Timestamp()
 	resp := &response.CreateTransactionResponse{
 		TradeId:        order.TradeId,
 		OrderId:        order.OrderId,
@@ -126,51 +125,88 @@ func OrderProcessing(req *request.OrderProcessingRequest) error {
 		tx.Rollback()
 		return err
 	}
-	// 解锁交易
+	err = data.ClearPayCache(req.Token, req.Amount)
-	err = data.UnLockTransaction(req.Token, req.Amount)
+	tx.Commit()
 	order, err := data.GetOrderInfoByTradeId(req.TradeId)
 	if err != nil {
 		tx.Rollback()
 		return err
 	}
-	tx.Commit()
+	// 回调队列
 	orderCallbackQueue, _ := handle.NewOrderCallbackQueue(order)
 	mq.MClient.Enqueue(orderCallbackQueue, asynq.MaxRetry(5))
 	// 发送机器人消息
 	msgTpl := `
 <b>📢📢有新的交易支付成功！</b>
 <pre>交易号：%s</pre>
 <pre>订单号：%s</pre>
 <pre>请求支付金额：%.4f cny</pre>
 <pre>实际支付金额：%.4f usdt</pre>
 <pre>钱包地址：%s</pre>
 <pre>订单创建时间：%s</pre>
 <pre>支付成功时间：%s</pre>
 `
 	msg := fmt.Sprintf(msgTpl, order.TradeId, order.OrderId, order.Amount, order.ActualAmount, order.Token, order.CreatedAt.ToDateTimeString(), carbon.Now().ToDateTimeString())
 	telegram.SendToBot(msg)
 	return nil
 }
-// CalculateAvailableWalletAndAmount 计算可用钱包地址和金额
+func CalculateAvailableWalletTokenAndAmount(amount string, walletAddress []mdb.WalletAddress) (string, string, error) {
-func CalculateAvailableWalletAndAmount(amount float64, walletAddress []mdb.WalletAddress) (string, float64, error) {
+	calculateAmountStr := amount
 	availableAmountStr := ""
 	availableToken := ""
-	availableAmount := amount
+	for i := 0; i < 100; i++ {
-	calculateAvailableWalletFunc := func(amount float64) (string, error) {
+		token, err := CalculateAvailableWalletToken(calculateAmountStr, walletAddress)
 		availableWallet := ""
 		for _, address := range walletAddress {
 			token := address.Token
 			result, err := data.GetTradeIdByWalletAddressAndAmount(token, amount)
 		if err != nil {
-				return "", err
+			return "", "", err
 		}
-			if result == "" {
+		// 这个金额没有拿到可用的钱包，重试，金额+0.0001
 				availableWallet = token
 				break
 			}
 		}
 		return availableWallet, nil
 	}
 	for i := 0; i < IncrementalMaximumNumber; i++ {
 		token, err := calculateAvailableWalletFunc(availableAmount)
 		if err != nil {
 			return "", 0, err
 		}
 		// 拿不到可用钱包就累加金额
 		if token == "" {
-			decimalOldAmount := decimal.NewFromFloat(availableAmount)
+			x, err := decimal.NewFromString(calculateAmountStr)
-			decimalIncr := decimal.NewFromFloat(UsdtAmountPerIncrement)
+			if err != nil {
-			availableAmount = decimalOldAmount.Add(decimalIncr).InexactFloat64()
+				return "", "", err
 			}
 			y, err := decimal.NewFromString("0.0001")
 			if err != nil {
 				return "", "", err
 			}
 			calculateAmountStr = x.Add(y).String()
 			continue
 		}
 		availableAmountStr = calculateAmountStr
 		availableToken = token
 		break
 	}
-	return availableToken, availableAmount, nil
+	return availableToken, availableAmountStr, nil
 }
 // CalculateAvailableWalletToken 计算可用钱包token
 func CalculateAvailableWalletToken(payAmount string, walletAddress []mdb.WalletAddress) (string, error) {
 	nowTime := time.Now().Unix()
 	ctx := context.Background()
 	walletToken := ""
 	for _, address := range walletAddress {
 		result, err := data.GetExpirationTimeByAmount(ctx, address.Token, payAmount)
 		if err != nil {
 			return "", err
 		}
 		// 这个钱包金额被占用了
 		if result != "" {
 			endTime := mathutil.MustInt64(result)
 			// 但是过期了
 			if endTime < nowTime {
 				// 删掉过期，还能继续用这个地址
 				err = data.ClearPayCache(address.Token, payAmount)
 				if err != nil {
 					return "", err
 				}
 			} else {
 				continue
 			}
 		}
 		walletToken = address.Token
 		break
 	}
 	return walletToken, nil
 }
 // GenerateCode 订单号生成
@@ -1,21 +1,20 @@
 package service
 import (
 	"context"
 	"fmt"
 	"github.com/assimon/luuu/model/data"
 	"github.com/assimon/luuu/model/request"
 	"github.com/assimon/luuu/mq"
 	"github.com/assimon/luuu/mq/handle"
 	"github.com/assimon/luuu/telegram"
 	"github.com/assimon/luuu/util/http_client"
 	"github.com/assimon/luuu/util/json"
 	"github.com/assimon/luuu/util/log"
 	"github.com/golang-module/carbon/v2"
 	"github.com/gookit/goutil/mathutil"
 	"github.com/gookit/goutil/stdutil"
 	"github.com/hibiken/asynq"
 	"github.com/shopspring/decimal"
 	"net/http"
 	"sync"
 	"time"
 )
 const UsdtTrc20ApiUri = "https://apilist.tronscan.org/api/token_trc20/transfers"
@@ -91,33 +90,38 @@ func Trc20CallBack(token string, wg *sync.WaitGroup) {
 	if trc20Resp.Total <= 0 {
 		return
 	}
 	ctx := context.Background()
 	nowTime := time.Now().Unix()
 	for _, transfer := range trc20Resp.TokenTransfers {
 		if transfer.ToAddress != token || transfer.FinalResult != "SUCCESS" {
 			continue
 		}
-		decimalQuant, err := decimal.NewFromString(transfer.Quant)
+		x, _ := decimal.NewFromString(transfer.Quant)
 		y, _ := decimal.NewFromString("1000000")
 		quant := x.Div(y).InexactFloat64()
 		amount := fmt.Sprintf("%.4f", quant)
 		result, err := data.GetExpirationTimeByAmount(ctx, token, amount)
 		if err != nil {
 			panic(err)
 		}
-		decimalDivisor := decimal.NewFromFloat(1000000)
+		if result != "" {
-		amount := decimalQuant.Div(decimalDivisor).InexactFloat64()
+			expTime := mathutil.MustInt64(result)
-		tradeId, err := data.GetTradeIdByWalletAddressAndAmount(token, amount)
+			// 但是过期了
 			if expTime < nowTime {
 				// 删掉过期
 				_ = data.ClearPayCache(token, amount)
 				continue
 			}
 		}
 		// 该钱包下有无匹配金额订单
 		tradeId, err := data.GetTradeIdByAmount(ctx, token, amount)
 		if err != nil {
 			panic(err)
 		}
 		if tradeId == "" {
 			continue
 		}
-		order, err := data.GetOrderInfoByTradeId(tradeId)
+		// 到这一步就匹配到金额了
 		if err != nil {
 			panic(err)
 		}
 		// 区块的确认时间必须在订单创建时间之后
 		createTime := order.CreatedAt.TimestampWithMillisecond()
 		if transfer.BlockTs < createTime {
 			panic("Orders cannot actually be matched")
 		}
 		// 到这一步就完全算是支付成功了
 		req := &request.OrderProcessingRequest{
 			Token:              token,
 			TradeId:            tradeId,
@@ -128,21 +132,5 @@ func Trc20CallBack(token string, wg *sync.WaitGroup) {
 		if err != nil {
 			panic(err)
 		}
 		// 回调队列
 		orderCallbackQueue, _ := handle.NewOrderCallbackQueue(order)
 		mq.MClient.Enqueue(orderCallbackQueue, asynq.MaxRetry(5))
 		// 发送机器人消息
 		msgTpl := `
 <b>📢📢有新的交易支付成功！</b>
 <pre>交易号：%s</pre>
 <pre>订单号：%s</pre>
 <pre>请求支付金额：%f cny</pre>
 <pre>实际支付金额：%f usdt</pre>
 <pre>钱包地址：%s</pre>
 <pre>订单创建时间：%s</pre>
 <pre>支付成功时间：%s</pre>
 `
 		msg := fmt.Sprintf(msgTpl, order.TradeId, order.OrderId, order.Amount, order.ActualAmount, order.Token, order.CreatedAt.ToDateTimeString(), carbon.Now().ToDateTimeString())
 		telegram.SendToBot(msg)
 	}
 }
@@ -2,6 +2,7 @@ package handle
 import (
 	"context"
 	"fmt"
 	"github.com/assimon/luuu/model/data"
 	"github.com/assimon/luuu/model/mdb"
 	"github.com/hibiken/asynq"
@@ -27,7 +28,8 @@ func OrderExpirationHandle(ctx context.Context, t *asynq.Task) error {
 	if err != nil {
 		return err
 	}
-	err = data.UnLockTransaction(orderInfo.Token, orderInfo.ActualAmount)
+	actualAmount := fmt.Sprintf("%.4f", orderInfo.ActualAmount)
 	err = data.ClearPayCache(orderInfo.Token, actualAmount)
 	if err != nil {
 		return err
 	}
@@ -1,11 +1,12 @@
 package task
 import (
 	"fmt"
 	"github.com/assimon/luuu/config"
 	"github.com/assimon/luuu/util/http_client"
 	"github.com/assimon/luuu/util/json"
 	"github.com/assimon/luuu/util/log"
-	"github.com/assimon/luuu/util/math"
+	"strconv"
 	"time"
 )
@@ -55,7 +56,10 @@ func (r UsdtRateJob) Run() {
 	}
 	for _, points := range usdtResp.Data.Points {
 		if len(points.C) > 0 && points.C[0] > 0 {
-			config.UsdtRate = math.MustParsePrecFloat64(points.C[0], 2)
+			config.UsdtRate, err = strconv.ParseFloat(fmt.Sprintf("%.2f", points.C[0]), 64)
 			if err != nil {
 				log.Sugar.Error("Calculate UsdtRate err:", err.Error())
 			}
 			return
 		}
 	}
@@ -1,16 +0,0 @@
 package math
 import (
 	"fmt"
 	"strconv"
 )
 // MustParsePrecFloat64 按小数位截取float
 func MustParsePrecFloat64(value float64, prec int) float64 {
 	format := fmt.Sprintf("%%.%df", prec)
 	v, err := strconv.ParseFloat(fmt.Sprintf(format, value), 64)
 	if err != nil {
 		return 0
 	}
 	return v
 }
@@ -51,6 +51,7 @@ func MapToParams(params map[string]interface{}) (string, error) {
 		if k == "signature" {
 			continue
 		}
 		// 去除冗余未赋值struct
 		if v == nil {
 			continue
 		}
@@ -99,10 +100,6 @@ func MapToParams(params map[string]interface{}) (string, error) {
 		default:
 			return "", errors.New("signature marshal error")
 		}
 		// 空值不参与签名
 		if fv == "" {
 			continue
 		}
 		tempArr = append(tempArr, k+"="+fv)
 	}
 	sort.Strings(tempArr)
@@ -14,62 +14,6 @@
 ### 二、导入Sql
 登录管理刚刚新增数据库，导入`Epusdt`所需的sql文件。     
 以下为示范0.01版本 最新数据库请以 https://github.com/assimon/epusdt/blob/master/sql/ 为准
 #### 1.手动下载导入
 数据库地址:https://github.com/assimon/epusdt/blob/master/sql/v0.0.1.sql
 ![导入Sql](img/sql.png)
 #### 2.使用phpMyAdmin导入
 使用文本编辑器打开`.sql`文件，如下：      
 ```sql
 -- auto-generated definition
 create table orders
 (
    id                   int auto_increment
        primary key,
    trade_id             varchar(32)    not null comment 'epusdt订单号',
    order_id             varchar(32)    not null comment '客户交易id',
    block_transaction_id varchar(128)   null comment '区块唯一编号',
    actual_amount        decimal(19, 4) not null comment '订单实际需要支付的金额，保留4位小数',
    amount               decimal(19, 4) not null comment '订单金额，保留4位小数',
    token                varchar(50)    not null comment '所属钱包地址',
    status               int default 1  not null comment '1：等待支付，2：支付成功，3：已过期',
    notify_url           varchar(128)   not null comment '异步回调地址',
    redirect_url         varchar(128)   null comment '同步回调地址',
    callback_num         int default 0  null comment '回调次数',
    callback_confirm     int default 2  null comment '回调是否已确认？ 1是 2否',
    created_at           timestamp      null,
    updated_at           timestamp      null,
    deleted_at           timestamp      null,
    constraint orders_order_id_uindex
        unique (order_id),
    constraint orders_trade_id_uindex
        unique (trade_id)
 );
 create index orders_block_transaction_id_index
    on orders (block_transaction_id);
 -- auto-generated definition
 create table wallet_address
 (
    id         int auto_increment
        primary key,
    token      varchar(50)   not null comment '钱包token',
    status     int default 1 not null comment '1:启用 2:禁用',
    created_at timestamp     null,
    updated_at timestamp     null,
    deleted_at timestamp     null
 )
    comment '钱包表';
 create index wallet_address_token_index
    on wallet_address (token);
 ```
 复制-粘贴至`phpmyadmin`的SQL面板，然后执行       
 ![导入Sql](img/run_sql.png)
 ### 三、配置Epusdt
Author	SHA1	Message	Date
assimon	7b1512fae1	修复整数没有补位0导致无法匹配交易	2022-03-29 21:33:23 +08:00
assimon	fce84c9551	v0.0.1	2022-03-29 20:26:03 +08:00
assimon	0b5eef242c	init	2022-03-29 20:25:05 +08:00