// 资产事件系统
use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub enum EventType {
    Transfer,
    Mint,
    Burn,
    Approve,
    StateChange,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AssetEvent {
    pub event_type: EventType,
    pub timestamp: u64,
    pub data: String,
}