// ACC-1155: 多代币标准 (Multi-Token Standard)
// NAC 原生协议 - Charter 语言定义
// UID: nac.acc.ACC1155.v1

protocol ACC1155 {
    // 持仓查询：返回指定地址对指定代币ID的持有量
    fn balance_of(holder: Address, token_id: u64) -> u128;
    // 批量持仓查询
    fn balance_of_batch(holders: Vec<Address>, token_ids: Vec<u64>) -> Vec<u128>;
    // 铸造代币（可替代或不可替代）
    fn mint(recipient: Address, token_id: u64, amount: u128, constitutional_receipt: Hash) -> Result<(), Error>;
    // 批量铸造
    fn mint_batch(recipient: Address, token_ids: Vec<u64>, amounts: Vec<u128>, constitutional_receipt: Hash) -> Result<(), Error>;
    // 转移代币
    fn transfer(from: Address, to: Address, token_id: u64, amount: u128) -> Result<(), Error>;
    // 销毁代币
    fn burn(holder: Address, token_id: u64, amount: u128, constitutional_receipt: Hash) -> Result<(), Error>;
    // 查询代币URI（元数据）
    fn token_uri(token_id: u64) -> String;
}