102 lines
3.6 KiB
Plaintext
102 lines
3.6 KiB
Plaintext
// Charter 智能合约协议模板 — 开曼群岛（Cayman Islands）
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// 监管机构：CIMA（Cayman Islands Monetary Authority）
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// CBPP 原则：约法即是治法 | 宪法即是规则 | 参与即是共识 | 节点产生区块交易决定区块大小
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//
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// 本模板定义KY辖区内资产上链的标准协议
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// 合规验证由 CEE（Constitutional Execution Engine）在节点层执行
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// 节点参与出块即代表对本辖区宪法规则的背书（参与即是共识）
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contract KYAssetProtocol {
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// 辖区标识
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const JURISDICTION: string = "KY";
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const REGULATOR: string = "CIMA（Cayman Islands Monetary Authority）";
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const CA_AUTHORITY: string = "CIMA_CA";
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// 资产结构
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struct Asset {
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id: Hash, // 48字节 SHA3-384
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owner: Address, // 32字节
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asset_type: string,
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jurisdiction: string,
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compliance_cr: Hash, // 合规收据哈希（由CEE出具，参与即是共识）
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created_at: u64,
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metadata: bytes,
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}
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// 合规收据结构（由CEE独立出具，无需多签）
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struct ConstitutionalReceipt {
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jurisdiction: string,
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passed: bool,
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applied_rules: []string,
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ca_authority: string,
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timestamp: u64,
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}
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// 资产注册（须持有有效合规收据）
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// 约法即是治法：宪法规则由CEE在节点层强制执行
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fn register_asset(
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asset_type: string,
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metadata: bytes,
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compliance_cr: Hash,
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) -> Hash {
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// 验证合规收据（CEE已在节点层验证，此处确认收据存在）
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require(compliance_cr != Hash::zero(), "须提供有效合规收据");
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require(asset_type in SUPPORTED_ASSET_TYPES, "不支持的资产类型");
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let asset_id = Hash::from_data(caller() ++ asset_type ++ now());
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emit AssetRegistered {
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id: asset_id,
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owner: caller(),
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asset_type: asset_type,
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jurisdiction: JURISDICTION,
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compliance_cr: compliance_cr,
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};
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return asset_id;
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}
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// 资产转移（须重新验证合规）
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// 参与即是共识：转移交易由节点验证，节点参与出块即代表对宪法规则的背书
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fn transfer_asset(
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asset_id: Hash,
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to: Address,
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new_compliance_cr: Hash,
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) -> bool {
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require(new_compliance_cr != Hash::zero(), "须提供新的合规收据");
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emit AssetTransferred {
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id: asset_id,
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from: caller(),
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to: to,
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compliance_cr: new_compliance_cr,
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};
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return true;
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}
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// 辖区规则更新（须辖区授权CA签名，直接生效，无需链上投票）
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// 约法即是治法：CA签名即是法律授权，无需额外的链上治理投票
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fn update_jurisdiction_rules(
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new_rules_hash: Hash,
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ca_signature: bytes,
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) -> bool {
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require(verify_ca_signature(ca_signature, CA_AUTHORITY), "须CIMA_CA签名授权");
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emit JurisdictionRulesUpdated {
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jurisdiction: JURISDICTION,
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new_rules_hash: new_rules_hash,
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ca_authority: CA_AUTHORITY,
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effective_at: now(), // 签名即生效，无需等待投票
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};
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return true;
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}
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// 支持的资产类型
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const SUPPORTED_ASSET_TYPES: []string = ["基金份额", "有限合伙权益", "债券", "股权", "虚拟资产"];
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// 禁止活动（直接生效）
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const PROHIBITED_ACTIVITIES: []string = ["未注册VASP运营", "匿名基金"];
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}
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