新功能(#102): 新增邀请记录接口并删除旧邀请销售接口

Co-authored-by: multica-agent <github@multica.ai>

pkg/hash/hash.go

@@ -3,15 +3,26 @@ package hash
 import (
 	"crypto/md5"
 	"fmt"
+	"hash/fnv"
+	"strconv"
 
 	"github.com/spaolacci/murmur3"
 )
 
+const invitePeerHashSalt = "ppanel_invite_" + "sales_v1"
+
 // Hash returns the hash value of data.
 func Hash(data []byte) uint64 {
 	return murmur3.Sum64(data)
 }
 
+func InvitePeerHash(userId int64) string {
+	h := fnv.New64a()
+	_, _ = h.Write([]byte(invitePeerHashSalt))
+	_, _ = h.Write([]byte(strconv.FormatInt(userId, 10)))
+	return fmt.Sprintf("%010d", h.Sum64()%10000000000)
+}
+
 // Md5 returns the md5 bytes of data.
 func Md5(data []byte) []byte {
 	digest := md5.New()