锁仓质押系统是一种机制,通过质押资产以获取治理代币奖励。用户提供质押以支持项目,并获得相应的治理代币奖励。这种机制旨在改进现有的金融体系,让个人与个人可以通过区块链直接服务彼此的金融需求,实现去中心化金融(DeFi)的目标。此外,锁仓质押系统也为去中心化交易所(DEX)、金融应用程序等提供了更加安全、透明的交易环境,使用户能够更加便捷地享受借贷、交易等服务。
以下是一个简单的锁仓质押交易执行的示例代码【完整源码可看我昵称联系】,使用Solidity语言编写:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
contract LockStaking {
// 质押的代币地址
address public tokenStakingAddress;
// 治理代币地址
address public governanceTokenAddress;
// 锁仓期,单位为秒
uint256 public lockPeriod;
// 锁仓期间质押的代币数量
uint256 public stakedAmount;
// 锁仓期间获得的治理代币数量
uint256 public governanceReward;
// 当前锁仓状态
bool public isLocked;
constructor(address _tokenStakingAddress, address _governanceTokenAddress, uint256 _lockPeriod) {
tokenStakingAddress = _tokenStakingAddress;
governanceTokenAddress = _governanceTokenAddress;
lockPeriod = _lockPeriod;
}
// 质押代币
function stakeToken(uint256 _stakedAmount) public {
require(_stakedAmount > 0);
require(!isLocked);
isLocked = true;
stakedAmount = _stakedAmount;
governanceReward = calculateGovernanceReward(_stakedAmount);
emit StakingEvent(msg.sender, _stakedAmount, governanceReward);
// 将质押的代币转移给合约地址
tokenStakingAddress.transfer(_stakedAmount);
// 锁定指定的时间
推迟(lockPeriod + block.timestamp);
isLocked = false;
}
// 取消质押
function unstakeToken() public {
require(isLocked);
isLocked = false;
// 将质押的代币转移给用户地址
tokenStakingAddress.transfer(stakedAmount);
// 燃烧治理代币
governanceTokenAddress.transfer(governanceReward);
emit UnstakingEvent(msg.sender, stakedAmount, governanceReward);
}
// 计算治理代币奖励
function calculateGovernanceReward(uint256 _stakedAmount) internal pure returns (uint256) {
uint256 governanceRewardFactor = 1000; // 治理代币奖励因子
return _stakedAmount * governanceRewardFactor;
标签:DEX,质押,uint256,代币,stakedAmount,源码,tokenStakingAddress,中心化,public
From: https://blog.51cto.com/u_16218796/7009597