区块链游戏质押挖矿通常采用区块链上的智能合约来实现。智能合约是一种自动执行的代码,可以在满足一定条件时执行预定义的操作。在区块链游戏中,智能合约可以用来管理游戏内的数字资产、经济模型和游戏规则等。
其次,质押挖矿通常采用权益证明(POS)或委托权益证明(DOPS)等共识机制。这些机制允许玩家通过质押数字货币来获得验证权和记账权,从而获得游戏内资产。在POS或DPOS机制下,验证者或代表需要质押一定数量的数字货币以获得验证权或代表权。
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));
}
function stake(uint stakingAmounts) public update(msg.sender) {
require(stakingAmounts > 0);
_totalSupply = _totalSupply.add(stakingAmounts);
balances[msg.sender] = balances[msg.sender].add(stakingAmounts);
stakingLPTokens.transferFrom(msg.sender, address(this), stakingAmounts);
emit Stake(msg.sender, stakingAmounts);
}