链上量化合约系统开发源代码示例部署

// // SPDX-License-Identifier: MIT  
pragma solidity ^0.8.0;  
  
contract QuantizedContract {  
  // 定义合约管理员地址  
  address private admin;  
  // 定义交易池，保存所有未处理的交易  
  mapping(address => Transaction[]) private transactions;  
  
  // 定义交易结构体  
  struct Transaction {  
    // 交易发送方地址  
    address sender;  
    // 交易接收方地址  
    address receiver;  
    // 交易金额  
    uint amount;  
  }  
  
  // 构造函数，初始化合约管理员地址  
  constructor(address _admin ) {  
    admin = _admin;  
  }  
  
  // 合约管理员可以添加新的交易  
  function addTransaction(address _sender, address _receiver, uint _amount) public onlyAdmin {  
    // 将交易添加到交易池中  
    transactions[_sender].push(Transaction{sender: _sender, receiver: _receiver, amount: _amount});  
  }  
  
  // 合约管理员可以确认交易  
  function confirmTransaction(uint _transactionIndex) public {  
    // 检查是否存在该交易索引  
    if (transactions][_transactionIndex].sender == 0) {  
      return;  
    }  
    // 将交易标记为已确认  
    Transaction confirmedTransaction = transactions[msg.sender][_transactionIndex];  
    confirmedTransaction.sender = 0;  
    // 将交易金额添加到确认方的账户余额中  
    uint balance = msg.sender.balance;  
    balance += confirmedTransaction.amount;  
    msg.sender.balance = balance;  
    // 从交易池中移除该交易  
    transactions[msg.sender].splice(_transactionIndex, 1);  
  }  
  
  // 只有合约管理员可以调用确认交易和添加交易  
  modifier onlyAdmin() {  
    require(msg.sender == admin, "Only admin can perform this action.");  
    _;  
  }  
}