编译器
0.8.15+commit.e14f2714
文件 1 的 21：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 21：AddressUpgradeable.sol
pragma solidity ^0.8.1;
library AddressUpgradeable {
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 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 3 的 21：BaseGauge.sol
pragma solidity 0.8.15;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/math/Math.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "./interfaces/IBaseGauge.sol";
abstract contract BaseGauge is IBaseGauge, OwnableUpgradeable {
IERC20 public immutable REWARD_TOKEN;
uint256 public duration;
uint256 public periodFinish;
uint256 public rewardRate;
uint256 public lastUpdateTime;
uint256 public rewardPerTokenStored;
uint256 public queuedRewards;
uint256 public currentRewards;
uint256 public historicalRewards;
mapping(address => uint256) public userRewardPerTokenPaid;
mapping(address => uint256) public rewards;
event RewardsAdded(
uint256 currentRewards,
uint256 lastUpdateTime,
uint256 periodFinish,
uint256 rewardRate,
uint256 historicalRewards
);
event RewardsQueued(address indexed from, uint256 amount);
event RewardPaid(address indexed user, uint256 reward);
event UpdatedRewards(
address indexed account,
uint256 rewardPerTokenStored,
uint256 lastUpdateTime,
uint256 rewards,
uint256 userRewardPerTokenPaid
);
event Sweep(address indexed token, uint256 amount);
event DurationUpdated(
uint256 duration,
uint256 rewardRate,
uint256 periodFinish
);
function _newEarning(address) internal view virtual returns (uint256);
function _updateReward(address) internal virtual;
function _rewardPerToken() internal view virtual returns (uint256);
modifier updateReward(address account) {
_updateReward(account);
_;
}
constructor(address _rewardsToken) {
require(
address(_rewardsToken) != address(0x0),
"rewardsToken 0x0 address"
);
REWARD_TOKEN = IERC20(_rewardsToken);
}
function __initialize(address _owner) internal {
require(_owner != address(0), "_owner 0x0 address");
duration = 14 days;
_transferOwnership(_owner);
}
function setDuration(
uint256 _newDuration
) external onlyOwner updateReward(address(0)) {
require(_newDuration != 0, "duration should be greater than zero");
if (block.timestamp < periodFinish) {
uint256 remaining = periodFinish - block.timestamp;
uint256 leftover = remaining * rewardRate;
rewardRate = leftover / _newDuration;
periodFinish = block.timestamp + _newDuration;
}
duration = _newDuration;
emit DurationUpdated(_newDuration, rewardRate, periodFinish);
}
function lastTimeRewardApplicable() public view returns (uint256) {
return Math.min(block.timestamp, periodFinish);
}
function rewardPerToken() external view returns (uint256) {
return _rewardPerToken();
}
function _protectedTokens(
address _token
) internal view virtual returns (bool) {
return _token == address(REWARD_TOKEN);
}
function sweep(address _token) external onlyOwner returns (bool) {
require(_protectedTokens(_token) == false, "protected token");
uint256 amount = IERC20(_token).balanceOf(address(this));
SafeERC20.safeTransfer(IERC20(_token), owner(), amount);
emit Sweep(_token, amount);
return true;
}
function earned(address _account) external view virtual returns (uint256) {
return _newEarning(_account);
}
function queueNewRewards(uint256 _amount) external override returns (bool) {
require(_amount != 0, "==0");
SafeERC20.safeTransferFrom(
IERC20(REWARD_TOKEN),
msg.sender,
address(this),
_amount
);
emit RewardsQueued(msg.sender, _amount);
_amount = _amount + queuedRewards;
if (block.timestamp >= periodFinish) {
_notifyRewardAmount(_amount);
queuedRewards = 0;
return true;
}
uint256 elapsedSinceBeginingOfPeriod = block.timestamp -
(periodFinish - duration);
uint256 distributedSoFar = elapsedSinceBeginingOfPeriod * rewardRate;
if ((distributedSoFar * 12) / 10 < _amount) {
_notifyRewardAmount(_amount);
queuedRewards = 0;
} else {
queuedRewards = _amount;
}
return true;
}
function _notifyRewardAmount(
uint256 _reward
) internal updateReward(address(0)) {
historicalRewards = historicalRewards + _reward;
if (block.timestamp >= periodFinish) {
rewardRate = _reward / duration;
} else {
uint256 remaining = periodFinish - block.timestamp;
uint256 leftover = remaining * rewardRate;
_reward = _reward + leftover;
rewardRate = _reward / duration;
}
currentRewards = _reward;
lastUpdateTime = block.timestamp;
periodFinish = block.timestamp + duration;
emit RewardsAdded(
currentRewards,
lastUpdateTime,
periodFinish,
rewardRate,
historicalRewards
);
}
}
文件 4 的 21：ContextUpgradeable.sol
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
uint256[50] private __gap;
}
文件 5 的 21：ERC20Upgradeable.sol
pragma solidity ^0.8.0;
import "./IERC20Upgradeable.sol";
import "./extensions/IERC20MetadataUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import "../../proxy/utils/Initializable.sol";
contract ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing {
__ERC20_init_unchained(name_, symbol_);
}
function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _spendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
uint256[45] private __gap;
}
文件 6 的 21：Gauge.sol
pragma solidity 0.8.15;
import "./interfaces/IExtraReward.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/math/Math.sol";
import "./interfaces/IGauge.sol";
import "./BaseGauge.sol";
import "./interfaces/IVotingYFI.sol";
import "./interfaces/IDYfiRewardPool.sol";
contract Gauge is BaseGauge, ERC20Upgradeable, IGauge {
using SafeERC20 for IERC20;
struct Balance {
uint256 realBalance;
uint256 boostedBalance;
}
struct Approved {
bool claim;
bool lock;
}
uint256 public constant BOOSTING_FACTOR = 1;
uint256 public constant BOOST_DENOMINATOR = 10;
IERC20 public asset;
address public immutable VEYFI;
address public immutable VE_YFI_POOL;
uint256 public constant PRECISION_FACTOR = 10 ** 18;
mapping(address => uint256) private _boostedBalances;
mapping(address => address) public recipients;
event TransferredPenalty(address indexed account, uint256 transfered);
event BoostedBalanceUpdated(address account, uint256 amount);
event Initialize(address indexed asset, address indexed owner);
event RecipientUpdated(address indexed account, address indexed recipient);
constructor(
address _veYfi,
address _dYfi,
address _veYfiDYfiPool
) BaseGauge(_dYfi) {
require(_veYfi != address(0x0), "_asset 0x0 address");
require(_veYfiDYfiPool != address(0x0), "_asset 0x0 address");
VEYFI = _veYfi;
VE_YFI_POOL = _veYfiDYfiPool;
}
function initialize(address _asset, address _owner) external initializer {
__initialize(_owner);
asset = IERC20(_asset);
__ERC20_init(
string.concat("yGauge ", IERC20Metadata(_asset).name()),
string.concat("yG-", IERC20Metadata(_asset).symbol())
);
emit Initialize(_asset, _owner);
}
function totalAssets() public view returns (uint256) {
return totalSupply();
}
function convertToShares(uint256 _assets) public view returns (uint256) {
return _assets;
}
function convertToAssets(uint256 _shares) public view returns (uint256) {
return _shares;
}
function maxDeposit(address) public view returns (uint256) {
return type(uint256).max;
}
function previewDeposit(uint256 _assets) public view returns (uint256) {
return _assets;
}
function maxMint(address) public view returns (uint256) {
return type(uint256).max;
}
function previewMint(uint256 _shares) public view returns (uint256) {
return _shares;
}
function boostedBalanceOf(
address _account
) external view returns (uint256) {
return _boostedBalances[_account];
}
function _updateReward(address _account) internal override {
rewardPerTokenStored = _rewardPerToken();
lastUpdateTime = lastTimeRewardApplicable();
if (_account != address(0)) {
if (_boostedBalances[_account] != 0) {
uint256 newEarning = _newEarning(_account);
uint256 maxEarning = _maxEarning(_account);
rewards[_account] += newEarning;
uint256 penalty = maxEarning - newEarning;
_transferVeYfiORewards(penalty);
emit TransferredPenalty(_account, penalty);
}
userRewardPerTokenPaid[_account] = rewardPerTokenStored;
emit UpdatedRewards(
_account,
rewardPerTokenStored,
lastUpdateTime,
rewards[_account],
userRewardPerTokenPaid[_account]
);
}
}
function _beforeTokenTransfer(
address _from,
address _to,
uint256
) internal override {
if (_from != address(0)) {
_updateReward(_from);
}
if (_to != address(0)) {
_updateReward(_to);
}
}
function _afterTokenTransfer(
address _from,
address _to,
uint256
) internal override {
if (_from != address(0)) {
_boostedBalances[_from] = _boostedBalanceOf(_from);
emit BoostedBalanceUpdated(_from, _boostedBalances[_from]);
}
if (_to != address(0)) {
_boostedBalances[_to] = _boostedBalanceOf(_to);
emit BoostedBalanceUpdated(_to, _boostedBalances[_to]);
}
}
function _rewardPerToken() internal view override returns (uint256) {
if (totalAssets() == 0) {
return rewardPerTokenStored;
}
return
rewardPerTokenStored +
(((lastTimeRewardApplicable() - lastUpdateTime) *
rewardRate *
PRECISION_FACTOR) / totalAssets());
}
function earned(
address _account
) external view override(BaseGauge, IBaseGauge) returns (uint256) {
uint256 newEarning = _newEarning(_account);
return newEarning + rewards[_account];
}
function _newEarning(
address _account
) internal view override returns (uint256) {
return
(_boostedBalances[_account] *
(_rewardPerToken() - userRewardPerTokenPaid[_account])) /
PRECISION_FACTOR;
}
function _maxEarning(address _account) internal view returns (uint256) {
return
(balanceOf(_account) *
(_rewardPerToken() - userRewardPerTokenPaid[_account])) /
PRECISION_FACTOR;
}
function nextBoostedBalanceOf(
address _account
) external view returns (uint256) {
return _boostedBalanceOf(_account);
}
function _boostedBalanceOf(
address _account
) internal view returns (uint256) {
return _boostedBalanceOf(_account, balanceOf(_account));
}
function _boostedBalanceOf(
address _account,
uint256 _realBalance
) internal view returns (uint256) {
uint256 veTotalSupply = IVotingYFI(VEYFI).totalSupply();
if (veTotalSupply == 0) {
return _realBalance;
}
return
Math.min(
((_realBalance * BOOSTING_FACTOR) +
(((totalSupply() * IVotingYFI(VEYFI).balanceOf(_account)) /
veTotalSupply) *
(BOOST_DENOMINATOR - BOOSTING_FACTOR))) /
BOOST_DENOMINATOR,
_realBalance
);
}
function deposit() external returns (uint256) {
uint256 balance = Math.min(
asset.balanceOf(msg.sender),
asset.allowance(msg.sender, address(this))
);
_deposit(balance, msg.sender);
return balance;
}
function deposit(uint256 _assets) external returns (uint256) {
_deposit(_assets, msg.sender);
return _assets;
}
function deposit(
uint256 _assets,
address _receiver
) external returns (uint256) {
_deposit(_assets, _receiver);
return _assets;
}
function mint(
uint256 _shares,
address _receiver
) external returns (uint256) {
_deposit(_shares, _receiver);
return _shares;
}
function _deposit(uint256 _assets, address _receiver) internal {
require(_assets != 0, "RewardPool : Cannot deposit 0");
asset.safeTransferFrom(msg.sender, address(this), _assets);
_mint(_receiver, _assets);
emit Deposit(msg.sender, _receiver, _assets, _assets);
}
function maxWithdraw(address _owner) external view returns (uint256) {
return balanceOf(_owner);
}
function previewWithdraw(uint256 _assets) external view returns (uint256) {
return _assets;
}
function withdraw(
uint256 _assets,
address _receiver,
address _owner,
bool _claim
) external returns (uint256) {
return _withdraw(_assets, _receiver, _owner, _claim);
}
function withdraw(
uint256 _assets,
address _receiver,
address _owner
) external returns (uint256) {
return _withdraw(_assets, _receiver, _owner, false);
}
function withdraw(bool _claim) external returns (uint256) {
return _withdraw(balanceOf(msg.sender), msg.sender, msg.sender, _claim);
}
function withdraw() external returns (uint256) {
return _withdraw(balanceOf(msg.sender), msg.sender, msg.sender, false);
}
function _withdraw(
uint256 _assets,
address _receiver,
address _owner,
bool _claim
) internal returns (uint256) {
require(_assets != 0, "RewardPool : Cannot withdraw 0");
if (msg.sender != _owner) {
_spendAllowance(_owner, msg.sender, _assets);
}
_burn(_owner, _assets);
if (_claim) {
_getReward(_owner);
}
asset.safeTransfer(_receiver, _assets);
emit Withdraw(msg.sender, _receiver, _owner, _assets, _assets);
return _assets;
}
function maxRedeem(address _owner) external view returns (uint256) {
return balanceOf(_owner);
}
function previewRedeem(uint256 _assets) external view returns (uint256) {
return _assets;
}
function redeem(
uint256 _assets,
address _receiver,
address _owner
) external override returns (uint256) {
return _withdraw(_assets, _receiver, _owner, true);
}
function getReward() external updateReward(msg.sender) returns (bool) {
_getReward(msg.sender);
return true;
}
function getReward(
address _account
) external updateReward(_account) returns (bool) {
_getReward(_account);
return true;
}
function _getReward(address _account) internal {
uint256 boostedBalance = _boostedBalanceOf(_account);
_boostedBalances[_account] = boostedBalance;
emit BoostedBalanceUpdated(_account, boostedBalance);
uint256 reward = rewards[_account];
if (reward != 0) {
rewards[_account] = 0;
address recipient = recipients[_account];
if (recipient != address(0x0)) {
REWARD_TOKEN.safeTransfer(recipient, reward);
} else {
REWARD_TOKEN.safeTransfer(_account, reward);
}
emit RewardPaid(_account, reward);
}
}
function _transferVeYfiORewards(uint256 _penalty) internal {
IERC20(REWARD_TOKEN).approve(VE_YFI_POOL, _penalty);
IDYfiRewardPool(VE_YFI_POOL).burn(_penalty);
}
function _protectedTokens(
address _token
) internal view override returns (bool) {
return _token == address(REWARD_TOKEN) || _token == address(asset);
}
function kick(address[] calldata _accounts) public {
for (uint256 i = 0; i < _accounts.length; ++i) {
_kick(_accounts[i]);
}
}
function _kick(address _account) internal updateReward(_account) {
uint256 balance = balanceOf(_account);
uint256 boostedBalance = _boostedBalanceOf(_account, balance);
_boostedBalances[_account] = boostedBalance;
emit BoostedBalanceUpdated(_account, boostedBalance);
}
function setRecipient(address _recipient) external {
recipients[msg.sender] = _recipient;
emit RecipientUpdated(msg.sender, _recipient);
}
}
文件 7 的 21：IBaseGauge.sol
pragma solidity 0.8.15;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface IBaseGauge {
function queueNewRewards(uint256 _amount) external returns (bool);
function earned(address _account) external view returns (uint256);
}
文件 8 的 21：IDYfiRewardPool.sol
pragma solidity 0.8.15;
interface IDYfiRewardPool {
function burn(uint256 _amount) external returns (bool);
}
文件 9 的 21：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 10 的 21：IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 11 的 21：IERC20MetadataUpgradeable.sol
pragma solidity ^0.8.0;
import "../IERC20Upgradeable.sol";
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 12 的 21：IERC20Upgradeable.sol
pragma solidity ^0.8.0;
interface IERC20Upgradeable {
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 13 的 21：IERC4626.sol
pragma solidity 0.8.15;
import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface IERC4626 is IERC20Upgradeable {
event Deposit(
address indexed caller,
address indexed owner,
uint256 assets,
uint256 shares
);
event Withdraw(
address indexed caller,
address indexed receiver,
address indexed owner,
uint256 assets,
uint256 shares
);
function asset() external view returns (IERC20 assetTokenAddress);
function totalAssets() external view returns (uint256 totalManagedAssets);
function convertToShares(
uint256 _assets
) external view returns (uint256 shares);
function convertToAssets(
uint256 _shares
) external view returns (uint256 assets);
function maxDeposit(
address _receiver
) external view returns (uint256 maxAssets);
function previewDeposit(
uint256 _assets
) external view returns (uint256 shares);
function deposit(
uint256 _assets,
address _receiver
) external returns (uint256 shares);
function maxMint(
address _receiver
) external view returns (uint256 maxShares);
function previewMint(
uint256 _shares
) external view returns (uint256 assets);
function mint(
uint256 _shares,
address _receiver
) external returns (uint256 assets);
function maxWithdraw(
address _owner
) external view returns (uint256 maxAssets);
function previewWithdraw(
uint256 _assets
) external view returns (uint256 shares);
function withdraw(
uint256 _assets,
address _receiver,
address _owner
) external returns (uint256 shares);
function maxRedeem(
address _owner
) external view returns (uint256 maxShares);
function previewRedeem(
uint256 _shares
) external view returns (uint256 assets);
function redeem(
uint256 _shares,
address _receiver,
address _owner
) external returns (uint256 assets);
}
文件 14 的 21：IExtraReward.sol
pragma solidity 0.8.15;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "./IBaseGauge.sol";
interface IExtraReward is IBaseGauge {
function initialize(
address _gauge,
address _reward,
address _owner
) external;
function rewardCheckpoint(address _account) external returns (bool);
function getReward() external returns (bool);
}
文件 15 的 21：IGauge.sol
pragma solidity 0.8.15;
import "./IBaseGauge.sol";
import "./IERC4626.sol";
interface IGauge is IBaseGauge, IERC4626 {
function initialize(address _stakingToken, address _owner) external;
function boostedBalanceOf(address _account) external view returns (uint256);
function getReward(address _account) external returns (bool);
}
文件 16 的 21：IVotingYFI.sol
pragma solidity 0.8.15;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface IVotingYFI is IERC20 {
struct LockedBalance {
int128 amount;
uint256 end;
}
function totalSupply() external view returns (uint256);
function locked(address _user) external view returns (LockedBalance memory);
function modify_lock(
uint256 _amount,
uint256 _unlock_time,
address _user
) external;
}
文件 17 的 21：Initializable.sol
pragma solidity ^0.8.2;
import "../../utils/AddressUpgradeable.sol";
abstract contract Initializable {
uint8 private _initialized;
bool private _initializing;
event Initialized(uint8 version);
modifier initializer() {
bool isTopLevelCall = !_initializing;
require(
(isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
"Initializable: contract is already initialized"
);
_initialized = 1;
if (isTopLevelCall) {
_initializing = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
emit Initialized(1);
}
}
modifier reinitializer(uint8 version) {
require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
_initialized = version;
_initializing = true;
_;
_initializing = false;
emit Initialized(version);
}
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
function _disableInitializers() internal virtual {
require(!_initializing, "Initializable: contract is initializing");
if (_initialized < type(uint8).max) {
_initialized = type(uint8).max;
emit Initialized(type(uint8).max);
}
}
function _getInitializedVersion() internal view returns (uint8) {
return _initialized;
}
function _isInitializing() internal view returns (bool) {
return _initializing;
}
}
文件 18 的 21：Math.sol
pragma solidity ^0.8.0;
library Math {
enum Rounding {
Down,
Up,
Zero
}
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
function average(uint256 a, uint256 b) internal pure returns (uint256) {
return (a & b) + (a ^ b) / 2;
}
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
return a == 0 ? 0 : (a - 1) / b + 1;
}
function mulDiv(
uint256 x,
uint256 y,
uint256 denominator
) internal pure returns (uint256 result) {
unchecked {
uint256 prod0;
uint256 prod1;
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
if (prod1 == 0) {
return prod0 / denominator;
}
require(denominator > prod1);
uint256 remainder;
assembly {
remainder := mulmod(x, y, denominator)
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
uint256 twos = denominator & (~denominator + 1);
assembly {
denominator := div(denominator, twos)
prod0 := div(prod0, twos)
twos := add(div(sub(0, twos), twos), 1)
}
prod0 |= prod1 * twos;
uint256 inverse = (3 * denominator) ^ 2;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
result = prod0 * inverse;
return result;
}
}
function mulDiv(
uint256 x,
uint256 y,
uint256 denominator,
Rounding rounding
) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 result = 1 << (log2(a) >> 1);
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10**64) {
value /= 10**64;
result += 64;
}
if (value >= 10**32) {
value /= 10**32;
result += 32;
}
if (value >= 10**16) {
value /= 10**16;
result += 16;
}
if (value >= 10**8) {
value /= 10**8;
result += 8;
}
if (value >= 10**4) {
value /= 10**4;
result += 4;
}
if (value >= 10**2) {
value /= 10**2;
result += 2;
}
if (value >= 10**1) {
result += 1;
}
}
return result;
}
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
}
}
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
}
}
}
文件 19 的 21：OwnableUpgradeable.sol
pragma solidity ^0.8.0;
import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function __Ownable_init() internal onlyInitializing {
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal onlyInitializing {
_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);
}
uint256[49] private __gap;
}
文件 20 的 21：SafeERC20.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../extensions/draft-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 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
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");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
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");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
文件 21 的 21：draft-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);
}
{
"compilationTarget": {
"Gauge.sol": "Gauge"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [
":@openzeppelin/contracts-upgradeable=.cache/openzeppelin-upgradeable/v4.8.1",
":@openzeppelin/contracts=.cache/openzeppelin/v4.8.1"
]
}[{"inputs":[{"internalType":"address","name":"_veYfi","type":"address"},{"internalType":"address","name":"_dYfi","type":"address"},{"internalType":"address","name":"_veYfiDYfiPool","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"BoostedBalanceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"assets","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"duration","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rewardRate","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"periodFinish","type":"uint256"}],"name":"DurationUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"}],"name":"Initialize","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"recipient","type":"address"}],"name":"RecipientUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"currentRewards","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lastUpdateTime","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"periodFinish","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rewardRate","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"historicalRewards","type":"uint256"}],"name":"RewardsAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RewardsQueued","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Sweep","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"transfered","type":"uint256"}],"name":"TransferredPenalty","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"rewardPerTokenStored","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lastUpdateTime","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rewards","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"userRewardPerTokenPaid","type":"uint256"}],"name":"UpdatedRewards","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"caller","type":"address"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"assets","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"shares","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"BOOSTING_FACTOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"na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