70 lines
2.5 KiB
Plaintext
70 lines
2.5 KiB
Plaintext
// NAC Charter 协议模板 — 阿联酋辖区（AE）
|
||
// 适用于：阿联酋司法辖区内的RWA资产通证化合约
|
||
// CBPP原则：约法即是治法，宪法即是规则，参与即是共识
|
||
// 版本：v1.0
|
||
|
||
contract AERwaAsset {
|
||
// ===== 辖区声明 =====
|
||
jurisdiction: AE
|
||
inherits_global: true
|
||
|
||
// ===== 资产状态 =====
|
||
state {
|
||
asset_id: Hash // 资产唯一标识（SHA3-384，48字节）
|
||
asset_type: String // 资产类别（须在AE_RWA_001.permitted_assets中）
|
||
asset_name: String // 资产名称
|
||
issuer: Address // 发行人地址（32字节NAC地址）
|
||
regulatory_approval: Hash // 监管机构批准文件哈希
|
||
total_supply: u256 // 总供应量
|
||
nav: u256 // 净资产值（以辖区法定货币最小单位计）
|
||
kyc_verified: bool // KYC验证状态
|
||
aml_cleared: bool // AML清算状态
|
||
regulatory_approved: bool // 监管机构批准状态
|
||
}
|
||
|
||
// ===== 发行函数 =====
|
||
// CBPP：参与即是共识，CEE自动验证辖区规则，无需手动调用合规检查
|
||
function issue(
|
||
recipient: Address,
|
||
amount: u256,
|
||
kyc_proof: Hash,
|
||
regulatory_approval: Hash
|
||
) -> Result {
|
||
// CEE自动执行：AE_VARA_001 + AE_DIFC_001 + AE_ADGM_001 + AE_AML_001 + AE_RWA_001
|
||
// 以下检查是合约层的业务逻辑，宪法层验证由CEE独立完成
|
||
require(is_eligible_investor(recipient), "AE_RWA_001: 须为合格投资者")
|
||
require(regulatory_approved, "AE_VARA_001: 须VARA牌照")
|
||
balances[recipient] += amount
|
||
emit Transfer(Address::zero(), recipient, amount)
|
||
return Ok(())
|
||
}
|
||
|
||
// ===== 转让函数 =====
|
||
function transfer(to: Address, amount: u256) -> Result {
|
||
// CEE自动验证辖区规则，参与即是共识
|
||
require(balances[msg.sender] >= amount, "余额不足")
|
||
require(is_eligible_investor(to), "AE_INVESTOR: 接收方不符合合格投资者要求")
|
||
|
||
balances[msg.sender] -= amount
|
||
balances[to] += amount
|
||
emit Transfer(msg.sender, to, amount)
|
||
return Ok(())
|
||
}
|
||
|
||
// ===== 赎回函数 =====
|
||
function redeem(amount: u256) -> Result {
|
||
require(balances[msg.sender] >= amount, "余额不足")
|
||
require(aml_cleared, "AE_AML_001: AML检查未通过")
|
||
|
||
balances[msg.sender] -= amount
|
||
total_supply -= amount
|
||
emit Redeem(msg.sender, amount)
|
||
return Ok(())
|
||
}
|
||
|
||
// ===== 辅助函数 =====
|
||
function is_eligible_investor(addr: Address) -> bool {
|
||
return kyc_registry.is_eligible_ae(addr)
|
||
}
|
||
}
|