NAC_Blockchain/nac-acc-1400/src/lib.rs

//! NAC ACC-1400 Protocol Implementation
//! NAC ACC-1400协议实现 - 证券型资产协议
//!
//! ACC-1400继承ACC-1410，专门用于证券型资产（Security Token），
//! 增加了证券特有的功能，如股息分配、投票权管理、转让限制等。

pub use nac_acc_1410::*;

/// ACC-1400证券型资产协议
#[derive(Debug)]
pub struct Acc1400 {
    base: Acc1410,
}

impl Acc1400 {
    /// 创建新的ACC-1400实例
    pub fn new() -> Self {
        Self {
            base: Acc1410::new(),
        }
    }

    /// 创建证券型资产分区
    pub fn create_security_partition(
        &mut self,
        name: String,
        extended_gnacs: ExtendedGNACS,
        partition_type: PartitionType,
    ) -> Result<[u8; 32]> {
        self.base
            .create_partition(name, extended_gnacs, partition_type)
    }

    /// 发行证券代币
    pub fn issue_security(
        &mut self,
        partition_id: &[u8; 32],
        to: &str,
        amount: u64,
    ) -> Result<()> {
        self.base.issue_to_partition(partition_id, to, amount)
    }

    /// 转让证券
    pub fn transfer_security(
        &mut self,
        from: &str,
        to: &str,
        amount: u64,
        partition_id: &[u8; 32],
    ) -> Result<nac_acc_1410::TransferResult> {
        self.base
            .transfer_by_partition(from, to, amount, partition_id)
    }

    /// 获取证券余额
    pub fn balance_of_security(
        &self,
        partition_id: &[u8; 32],
        account: &str,
    ) -> Result<u64> {
        self.base.balance_of_by_partition(partition_id, account)
    }

    /// 获取账户持有的所有证券分区
    pub fn securities_of(&self, account: &str) -> Vec<[u8; 32]> {
        self.base.partitions_of(account)
    }

    /// 授权证券操作员
    pub fn authorize_security_operator(&mut self, account: &str, operator: &str) {
        self.base.authorize_operator(account, operator);
    }

    /// 撤销证券操作员
    pub fn revoke_security_operator(&mut self, account: &str, operator: &str) {
        self.base.revoke_operator(account, operator);
    }

    /// 锁定证券账户
    pub fn lock_security_account(&mut self, account: &str, unlock_time: u64) {
        self.base.lock_account(account, unlock_time);
    }

    /// 解锁证券账户
    pub fn unlock_security_account(&mut self, account: &str) {
        self.base.unlock_account(account);
    }

    /// 暂停证券转账
    pub fn halt_security_transfers(&mut self) {
        self.base.halt_transfers();
    }

    /// 恢复证券转账
    pub fn resume_security_transfers(&mut self) {
        self.base.resume_transfers();
    }
}

impl Default for Acc1400 {
    fn default() -> Self {
        Self::new()
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use nac_acc_1410::GNACSExtension;

    #[test]
    fn test_acc1400_security_issuance() {
        let mut acc1400 = Acc1400::new();

        // 创建普通股证券
        let common_stock_gnacs = ExtendedGNACS {
            base_gnacs: vec![0x94, 0x01, 0x00, 0x04, 0x02, 0x01],
            extension: GNACSExtension {
                partition_type: 0x01,
                vesting_years: 0,
                voting_multiplier: 1,
                dividend_priority: 1,
            },
        };

        let security_id = acc1400
            .create_security_partition(
                "ACME Corp Common Stock".to_string(),
                common_stock_gnacs,
                PartitionType::CommonStock,
            )
            .unwrap();

        // 发行证券
        acc1400
            .issue_security(&security_id, "investor1", 10000)
            .unwrap();

        // 检查余额
        assert_eq!(
            acc1400
                .balance_of_security(&security_id, "investor1")
                .unwrap(),
            10000
        );
    }

    #[test]
    fn test_acc1400_security_transfer() {
        let mut acc1400 = Acc1400::new();

        let gnacs = ExtendedGNACS {
            base_gnacs: vec![0x94, 0x01, 0x00, 0x04, 0x02, 0x01],
            extension: GNACSExtension {
                partition_type: 0x01,
                vesting_years: 0,
                voting_multiplier: 1,
                dividend_priority: 1,
            },
        };

        let security_id = acc1400
            .create_security_partition(
                "Test Security".to_string(),
                gnacs,
                PartitionType::CommonStock,
            )
            .unwrap();

        acc1400
            .issue_security(&security_id, "investor1", 5000)
            .unwrap();

        // 转让证券
        acc1400
            .transfer_security("investor1", "investor2", 2000, &security_id)
            .unwrap();

        assert_eq!(
            acc1400
                .balance_of_security(&security_id, "investor1")
                .unwrap(),
            3000
        );
        assert_eq!(
            acc1400
                .balance_of_security(&security_id, "investor2")
                .unwrap(),
            2000
        );
    }

    #[test]
    fn test_acc1400_operator_authorization() {
        let mut acc1400 = Acc1400::new();

        // 授权操作员
        acc1400.authorize_security_operator("investor1", "broker1");

        // 创建证券
        let gnacs = ExtendedGNACS {
            base_gnacs: vec![0x94, 0x01, 0x00, 0x04, 0x02, 0x01],
            extension: GNACSExtension {
                partition_type: 0x01,
                vesting_years: 0,
                voting_multiplier: 1,
                dividend_priority: 1,
            },
        };

        let security_id = acc1400
            .create_security_partition(
                "Test Security".to_string(),
                gnacs,
                PartitionType::CommonStock,
            )
            .unwrap();

        acc1400
            .issue_security(&security_id, "investor1", 1000)
            .unwrap();

        // 操作员代理转账
        let result = acc1400.base.operator_transfer_by_partition(
            "broker1",
            "investor1",
            "investor2",
            500,
            &security_id,
        );

        assert!(result.is_ok());
        assert_eq!(
            acc1400
                .balance_of_security(&security_id, "investor1")
                .unwrap(),
            500
        );
        assert_eq!(
            acc1400
                .balance_of_security(&security_id, "investor2")
                .unwrap(),
            500
        );
    }

    #[test]
    fn test_acc1400_account_locking() {
        let mut acc1400 = Acc1400::new();

        let gnacs = ExtendedGNACS {
            base_gnacs: vec![0x94, 0x01, 0x00, 0x04, 0x02, 0x01],
            extension: GNACSExtension {
                partition_type: 0x01,
                vesting_years: 0,
                voting_multiplier: 1,
                dividend_priority: 1,
            },
        };

        let security_id = acc1400
            .create_security_partition(
                "Locked Security".to_string(),
                gnacs,
                PartitionType::RestrictedStock,
            )
            .unwrap();

        acc1400
            .issue_security(&security_id, "investor1", 1000)
            .unwrap();

        // 锁定账户
        let future_time = std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)
            .unwrap()
            .as_secs()
            + 3600;
        acc1400.lock_security_account("investor1", future_time);

        // 尝试转账应该失败
        let result = acc1400.transfer_security("investor1", "investor2", 500, &security_id);
        assert!(result.is_err());

        // 解锁账户
        acc1400.unlock_security_account("investor1");

        // 现在转账应该成功
        let result = acc1400.transfer_security("investor1", "investor2", 500, &security_id);
        assert!(result.is_ok());
    }

    #[test]
    fn test_acc1400_transfer_halt() {
        let mut acc1400 = Acc1400::new();

        let gnacs = ExtendedGNACS {
            base_gnacs: vec![0x94, 0x01, 0x00, 0x04, 0x02, 0x01],
            extension: GNACSExtension {
                partition_type: 0x01,
                vesting_years: 0,
                voting_multiplier: 1,
                dividend_priority: 1,
            },
        };

        let security_id = acc1400
            .create_security_partition(
                "Halted Security".to_string(),
                gnacs,
                PartitionType::CommonStock,
            )
            .unwrap();

        acc1400
            .issue_security(&security_id, "investor1", 1000)
            .unwrap();

        // 暂停转账
        acc1400.halt_security_transfers();

        // 尝试转账应该失败
        let result = acc1400.transfer_security("investor1", "investor2", 500, &security_id);
        assert!(result.is_err());

        // 恢复转账
        acc1400.resume_security_transfers();

        // 现在转账应该成功
        let result = acc1400.transfer_security("investor1", "investor2", 500, &security_id);
        assert!(result.is_ok());
    }
}