feat: 完善平台总后台模块

backend/api/internal/models/wallet.go

@@ -0,0 +1,15 @@
+package models
+
+import "git.apinb.com/bsm-sdk/core/database"
+
+// Wallet 对应 wallet，保存余额账户。
+type Wallet struct {
+	Entity
+	OwnerType     string `gorm:"column:owner_type;type:varchar(32);not null" json:"owner_type"`
+	OwnerID       uint64 `gorm:"column:owner_id;not null;index" json:"owner_id"`
+	BalanceAmount int64  `gorm:"column:balance_amount;not null;default:0" json:"balance_amount"`
+	FrozenAmount  int64  `gorm:"column:frozen_amount;not null;default:0" json:"frozen_amount"`
+}
+
+func init()                             { database.AppendMigrate(&Wallet{}) }
+func (table *Wallet) TableName() string { return "wallet" }