// ACC-RWA: 真实世界资产协议 (Real World Asset Protocol)
// NAC 原生协议 - Charter 语言定义
// UID: nac.acc.ACCRWAProtocol.v1

protocol ACCRWAProtocol {
    // 注册 RWA 资产（需要 AI 合规评分 >= 60）
    fn register_asset(
        gnacs_code: String, asset_type: RWAAssetType, owner: Address,
        total_supply: u128, initial_valuation_xtzh: u128, jurisdiction: String,
        legal_document_hash: Hash, ai_compliance_score: u8,
        constitutional_receipt: Hash
    ) -> Result<Hash, Error>;
    // 转移 RWA 资产
    fn transfer_asset(asset_id: Hash, from: Address, to: Address, amount: u128) -> Result<(), Error>;
    // 冻结资产（需要宪法收据）
    fn freeze_asset(asset_id: Hash, reason: String, constitutional_receipt: Hash) -> Result<(), Error>;
    // 更新估值（XTZH 计价）
    fn update_valuation(asset_id: Hash, new_valuation: u128, constitutional_receipt: Hash) -> Result<(), Error>;
    // 查询资产持仓
    fn balance_of(asset_id: Hash, holder: Address) -> u128;
    // 查询资产详情
    fn get_asset(asset_id: Hash) -> Option<RWAAssetRecord>;
}