package wallet import "time" type Wallet struct { Address string `db:"address" json:"address"` Label *string `db:"label" json:"label,omitempty"` PasswordHash string `db:"password_hash" json:"password_hash"` Balance float64 `db:"balance" json:"balance"` CreatedAt time.Time `db:"created_at" json:"created_at"` LastActivity *time.Time `db:"last_activity" json:"last_activity,omitempty"` } type CreateWalletRequest struct { Label *string `json:"label,omitempty"` Password string `json:"password"` } type WalletResponse struct { Address string `json:"address"` // Format: "random_word:123456" (e.g. "cave:595462") Balance float64 `json:"balance"` Label *string `json:"label,omitempty"` PasswordHash string `json:"password_hash"` CreatedAt int64 `json:"created_at"` LastActivity *int64 `json:"last_activity,omitempty"` } type BalanceResponse struct { Address string `json:"address"` Balance float64 `json:"balance"` } type UpdateWalletRequest struct { Label *string `json:"label,omitempty"` }