编译器
0.8.17+commit.8df45f5f
文件 1 的 8:Address.sol
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
文件 2 的 8:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 3 的 8:IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
文件 4 的 8:IERC20Permit.sol
pragma solidity ^0.8.0;
interface IERC20Permit {
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
function nonces(address owner) external view returns (uint256);
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
文件 5 的 8:IesLBR.sol
pragma solidity ^0.8.17;
interface IesLBR {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function mint(address user, uint256 amount) external returns(bool);
function burn(address user, uint256 amount) external returns(bool);
function getPastVotes(address account, uint256 timepoint) external view returns (uint256);
function getPastTotalSupply(uint256 timepoint) external view returns (uint256);
}
文件 6 的 8:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 7 的 8:SafeERC20.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.sol";
library SafeERC20 {
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
}
}
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
_callOptionalReturn(token, approvalCall);
}
}
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
(bool success, bytes memory returndata) = address(token).call(data);
return
success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
}
}
文件 8 的 8:stakerewardV2pool.sol
pragma solidity ^0.8.17;
import "@openzeppelin/contracts/access/Ownable.sol";
import "../interfaces/IesLBR.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
interface IesLBRBoost {
function getUserBoost(
address user,
uint256 userUpdatedAt,
uint256 finishAt
) external view returns (uint256);
}
contract StakingRewardsV2 is Ownable {
using SafeERC20 for IERC20;
IERC20 public immutable stakingToken;
IesLBR public immutable rewardsToken;
IesLBRBoost public esLBRBoost;
uint256 public duration = 604_800;
uint256 public finishAt;
uint256 public updatedAt;
uint256 public rewardRatio;
uint256 public rewardPerTokenStored;
mapping(address => uint256) public userRewardPerTokenPaid;
mapping(address => uint256) public rewards;
mapping(address => uint256) public userUpdatedAt;
uint256 public totalSupply;
mapping(address => uint256) public balanceOf;
event StakeToken(address indexed user, uint256 amount, uint256 time);
event WithdrawToken(address indexed user, uint256 amount, uint256 time);
event ClaimReward(address indexed user, uint256 amount, uint256 time);
event NotifyRewardChanged(uint256 addAmount, uint256 time);
event DurationChanged(uint256 duration, uint256 time);
event BoostChanged(address boostAddr, uint256 time);
constructor(address _stakingToken, address _rewardToken, address _boost) {
stakingToken = IERC20(_stakingToken);
rewardsToken = IesLBR(_rewardToken);
esLBRBoost = IesLBRBoost(_boost);
}
modifier updateReward(address _account) {
rewardPerTokenStored = rewardPerToken();
updatedAt = lastTimeRewardApplicable();
if (_account != address(0)) {
rewards[_account] = earned(_account);
userRewardPerTokenPaid[_account] = rewardPerTokenStored;
userUpdatedAt[_account] = block.timestamp;
}
_;
}
function lastTimeRewardApplicable() public view returns (uint256) {
return _min(finishAt, block.timestamp);
}
function rewardPerToken() public view returns (uint256) {
if (totalSupply == 0) {
return rewardPerTokenStored;
}
return rewardPerTokenStored + (rewardRatio * (lastTimeRewardApplicable() - updatedAt) * 1e18) / totalSupply;
}
function stake(uint256 _amount) external updateReward(msg.sender) {
require(_amount != 0, "amount = 0");
stakingToken.safeTransferFrom(msg.sender, address(this), _amount);
balanceOf[msg.sender] += _amount;
totalSupply += _amount;
emit StakeToken(msg.sender, _amount, block.timestamp);
}
function withdraw(uint256 _amount) external updateReward(msg.sender) {
require(_amount != 0, "amount = 0");
balanceOf[msg.sender] -= _amount;
totalSupply -= _amount;
stakingToken.safeTransfer(msg.sender, _amount);
emit WithdrawToken(msg.sender, _amount, block.timestamp);
}
function getBoost(address _account) public view returns (uint256) {
return 100 * 1e18 + esLBRBoost.getUserBoost(_account, userUpdatedAt[_account], finishAt);
}
function earned(address _account) public view returns (uint256) {
return ((balanceOf[_account] * getBoost(_account) * (rewardPerToken() - userRewardPerTokenPaid[_account])) / 1e38) + rewards[_account];
}
function getReward() external updateReward(msg.sender) {
uint256 reward = rewards[msg.sender];
if (reward > 0) {
rewards[msg.sender] = 0;
rewardsToken.mint(msg.sender, reward);
emit ClaimReward(msg.sender, reward, block.timestamp);
}
}
function setRewardsDuration(uint256 _duration) external onlyOwner {
require(finishAt < block.timestamp, "reward duration not finished");
duration = _duration;
emit DurationChanged(_duration, block.timestamp);
}
function setBoost(address _boost) external onlyOwner {
esLBRBoost = IesLBRBoost(_boost);
emit BoostChanged(_boost, block.timestamp);
}
function notifyRewardAmount(uint256 _amount) external onlyOwner updateReward(address(0)) {
if (block.timestamp >= finishAt) {
rewardRatio = _amount / duration;
} else {
uint256 remainingRewards = (finishAt - block.timestamp) * rewardRatio;
rewardRatio = (_amount + remainingRewards) / duration;
}
require(rewardRatio != 0, "reward ratio = 0");
finishAt = block.timestamp + duration;
updatedAt = block.timestamp;
emit NotifyRewardChanged(_amount, block.timestamp);
}
function _min(uint256 x, uint256 y) private pure returns (uint256) {
return x <= y ? x : y;
}
}
{
"compilationTarget": {
"contracts/lybra/miner/stakerewardV2pool.sol": "StakingRewardsV2"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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IesLBRBoost","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"finishAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"getBoost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lastTimeRewardApplicable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"notifyRewardAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardPerToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardPerTokenStored","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardRatio","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"rewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardsToken","outputs":[{"internalType":"contract IesLBR","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_boost","type":"address"}],"name":"setBoost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_duration","type":"uint256"}],"name":"setRewardsDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stakingToken","outputs":[{"internalType":"contract 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