// Charter 标准库 - ACC-1410 分区代币协议
// 版本: 1.0 | NAC 原生分区代币标准（证券分区/股权分区）

/// ACC-1410 分区代币接口
/// 支持将代币分割为多个分区（普通股、优先股、限制股等）
protocol Acc1410 {
    /// 创建新分区
    fn create_partition(name: String, gnacs: ExtendedGNACS, partition_type: PartitionType) -> Hash;
    
    /// 向分区发行代币
    fn issue_to_partition(partition_id: Hash, to: Address, amount: u128) -> Result;
    
    /// 查询分区余额
    fn balance_of_by_partition(partition_id: Hash, account: Address) -> u128;
    
    /// 分区间转账
    fn transfer_by_partition(from: Address, to: Address, amount: u128, partition_id: Hash) -> Result;
    
    /// 授权操作员
    fn authorize_operator(account: Address, operator: Address);
    
    /// 操作员代理转账
    fn operator_transfer_by_partition(
        operator: Address, from: Address, to: Address, 
        amount: u128, partition_id: Hash
    ) -> Result;
    
    /// 查询账户持有的分区列表
    fn partitions_of(account: Address) -> Vec<Hash>;
}

/// 分区类型枚举
enum PartitionType {
    CommonStock,      // 普通股
    PreferredStock,   // 优先股
    RestrictedStock,  // 限制股
    EmployeeOption,   // 员工期权
    IncomeRight,      // 收益权
    VotingRight,      // 投票权
}

/// GNACS 扩展编码（64位）
struct ExtendedGNACS {
    base_gnacs: Bytes,       // 基础 GNACS 编码（48位）
    extension: GNACSExtension, // 扩展字段（16位）
}