算力挖矿系统的开发源码demo示例

算力挖矿系统的开发源码和demo

rewardTokens public rewardUNITokens;
LPToken public stakingLPTokens;
uint public stakingFinishTime = block.timestamp + stakingTime;
uint public stakingTime;
uint public rewardRate = 100;
uint private _totalSupply;
uint public rewardPerTokenStored;
uint public lastUpdateTime;
constructor(address _rewardUNITokens,address _stakingLPTokens,uint _stakingTime){
    rewardUNITokens = rewardTokens(_rewardUNITokens);
    stakingLPTokens = LPToken(_stakingLPTokens);
    stakingTime = _stakingTime;
}
modifier update(address owner) {
    lastUpdateTime = getLastTime();
    rewardPerTokenStored = rewardUNIPerToken();
    if(owner != address(0)){
        userRewardsPerToken[owner] = rewardPerTokenStored;
        rewards[owner] = allRewardsOfUser(owner);
    }
    _;
}
function rewardUNIPerToken() public view returns(uint rewardUNI){
   if(_totalSupply == 0){
       rewardUNI = rewardPerTokenStored;
   }
   rewardUNI = rewardPerTokenStored.add(getLastTime().sub(lastUpdateTime).mul(rewardRate).mul(1e18).div(_totalSupply));

}