文件 1 的 9:Address.sol
pragma solidity 0.7.6;
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly {
codehash := extcodehash(account)
}
return (codehash != accountHash && codehash != 0x0);
}
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');
}
}
文件 2 的 9:ChefIncentivesController.sol
pragma solidity 0.7.6;
import "../interfaces/IMultiFeeDistribution.sol";
import "../interfaces/IOnwardIncentivesController.sol";
import "../dependencies/openzeppelin/contracts/IERC20.sol";
import "../dependencies/openzeppelin/contracts/SafeERC20.sol";
import "../dependencies/openzeppelin/contracts/SafeMath.sol";
import "../dependencies/openzeppelin/contracts/Ownable.sol";
contract ChefIncentivesController is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
struct UserInfo {
uint256 amount;
uint256 rewardDebt;
}
struct PoolInfo {
uint256 totalSupply;
uint256 allocPoint;
uint256 lastRewardTime;
uint256 accRewardPerShare;
IOnwardIncentivesController onwardIncentives;
}
struct EmissionPoint {
uint128 startTimeOffset;
uint128 rewardsPerSecond;
}
address public poolConfigurator;
IMultiFeeDistribution public rewardMinter;
uint256 public rewardsPerSecond;
uint256 public immutable maxMintableTokens;
uint256 public mintedTokens;
address[] public registeredTokens;
mapping(address => PoolInfo) public poolInfo;
EmissionPoint[] public emissionSchedule;
mapping(address => mapping(address => UserInfo)) public userInfo;
mapping(address => uint256) public userBaseClaimable;
uint256 public totalAllocPoint = 0;
uint256 public startTime;
mapping (address => address) public claimReceiver;
event BalanceUpdated(
address indexed token,
address indexed user,
uint256 balance,
uint256 totalSupply
);
constructor(
uint128[] memory _startTimeOffset,
uint128[] memory _rewardsPerSecond,
address _poolConfigurator,
IMultiFeeDistribution _rewardMinter,
uint256 _maxMintable
)
Ownable()
{
poolConfigurator = _poolConfigurator;
rewardMinter = _rewardMinter;
uint256 length = _startTimeOffset.length;
for (uint256 i = length - 1; i + 1 != 0; i--) {
emissionSchedule.push(
EmissionPoint({
startTimeOffset: _startTimeOffset[i],
rewardsPerSecond: _rewardsPerSecond[i]
})
);
}
maxMintableTokens = _maxMintable;
}
function start() public onlyOwner {
require(startTime == 0);
startTime = block.timestamp;
}
function addPool(address _token, uint256 _allocPoint) external {
require(msg.sender == poolConfigurator);
require(poolInfo[_token].lastRewardTime == 0);
_updateEmissions();
totalAllocPoint = totalAllocPoint.add(_allocPoint);
registeredTokens.push(_token);
poolInfo[_token] = PoolInfo({
totalSupply: 0,
allocPoint: _allocPoint,
lastRewardTime: block.timestamp,
accRewardPerShare: 0,
onwardIncentives: IOnwardIncentivesController(0)
});
}
function batchUpdateAllocPoint(
address[] calldata _tokens,
uint256[] calldata _allocPoints
) public onlyOwner {
require(_tokens.length == _allocPoints.length);
_massUpdatePools();
uint256 _totalAllocPoint = totalAllocPoint;
for (uint256 i = 0; i < _tokens.length; i++) {
PoolInfo storage pool = poolInfo[_tokens[i]];
require(pool.lastRewardTime > 0);
_totalAllocPoint = _totalAllocPoint.sub(pool.allocPoint).add(_allocPoints[i]);
pool.allocPoint = _allocPoints[i];
}
totalAllocPoint = _totalAllocPoint;
}
function setOnwardIncentives(
address _token,
IOnwardIncentivesController _incentives
)
external
onlyOwner
{
require(poolInfo[_token].lastRewardTime != 0);
poolInfo[_token].onwardIncentives = _incentives;
}
function setClaimReceiver(address _user, address _receiver) external {
require(msg.sender == _user || msg.sender == owner());
claimReceiver[_user] = _receiver;
}
function poolLength() external view returns (uint256) {
return registeredTokens.length;
}
function claimableReward(address _user, address[] calldata _tokens)
external
view
returns (uint256[] memory)
{
uint256[] memory claimable = new uint256[](_tokens.length);
for (uint256 i = 0; i < _tokens.length; i++) {
address token = _tokens[i];
PoolInfo storage pool = poolInfo[token];
UserInfo storage user = userInfo[token][_user];
uint256 accRewardPerShare = pool.accRewardPerShare;
uint256 lpSupply = pool.totalSupply;
if (block.timestamp > pool.lastRewardTime && lpSupply != 0) {
uint256 duration = block.timestamp.sub(pool.lastRewardTime);
uint256 reward = duration.mul(rewardsPerSecond).mul(pool.allocPoint).div(totalAllocPoint);
accRewardPerShare = accRewardPerShare.add(reward.mul(1e12).div(lpSupply));
}
claimable[i] = user.amount.mul(accRewardPerShare).div(1e12).sub(user.rewardDebt);
}
return claimable;
}
function _updateEmissions() internal {
uint256 length = emissionSchedule.length;
if (startTime > 0 && length > 0) {
EmissionPoint memory e = emissionSchedule[length-1];
if (block.timestamp.sub(startTime) > e.startTimeOffset) {
_massUpdatePools();
rewardsPerSecond = uint256(e.rewardsPerSecond);
emissionSchedule.pop();
}
}
}
function _massUpdatePools() internal {
uint256 totalAP = totalAllocPoint;
uint256 length = registeredTokens.length;
for (uint256 i = 0; i < length; ++i) {
_updatePool(poolInfo[registeredTokens[i]], totalAP);
}
}
function _updatePool(PoolInfo storage pool, uint256 _totalAllocPoint) internal {
if (block.timestamp <= pool.lastRewardTime) {
return;
}
uint256 lpSupply = pool.totalSupply;
if (lpSupply == 0) {
pool.lastRewardTime = block.timestamp;
return;
}
uint256 duration = block.timestamp.sub(pool.lastRewardTime);
uint256 reward = duration.mul(rewardsPerSecond).mul(pool.allocPoint).div(_totalAllocPoint);
pool.accRewardPerShare = pool.accRewardPerShare.add(reward.mul(1e12).div(lpSupply));
pool.lastRewardTime = block.timestamp;
}
function _mint(address _user, uint256 _amount) internal {
uint256 minted = mintedTokens;
if (minted.add(_amount) > maxMintableTokens) {
_amount = maxMintableTokens.sub(minted);
}
if (_amount > 0) {
mintedTokens = minted.add(_amount);
address receiver = claimReceiver[_user];
if (receiver == address(0)) receiver = _user;
rewardMinter.mint(receiver, _amount, true);
}
}
function handleAction(address _user, uint256 _balance, uint256 _totalSupply) external {
PoolInfo storage pool = poolInfo[msg.sender];
require(pool.lastRewardTime > 0);
_updateEmissions();
_updatePool(pool, totalAllocPoint);
UserInfo storage user = userInfo[msg.sender][_user];
uint256 amount = user.amount;
uint256 accRewardPerShare = pool.accRewardPerShare;
if (amount > 0) {
uint256 pending = amount.mul(accRewardPerShare).div(1e12).sub(user.rewardDebt);
if (pending > 0) {
userBaseClaimable[_user] = userBaseClaimable[_user].add(pending);
}
}
user.amount = _balance;
user.rewardDebt = _balance.mul(accRewardPerShare).div(1e12);
pool.totalSupply = _totalSupply;
if (pool.onwardIncentives != IOnwardIncentivesController(0)) {
pool.onwardIncentives.handleAction(msg.sender, _user, _balance, _totalSupply);
}
emit BalanceUpdated(msg.sender, _user, _balance, _totalSupply);
}
function claim(address _user, address[] calldata _tokens) external {
_updateEmissions();
uint256 pending = userBaseClaimable[_user];
userBaseClaimable[_user] = 0;
uint256 _totalAllocPoint = totalAllocPoint;
for (uint i = 0; i < _tokens.length; i++) {
PoolInfo storage pool = poolInfo[_tokens[i]];
require(pool.lastRewardTime > 0);
_updatePool(pool, _totalAllocPoint);
UserInfo storage user = userInfo[_tokens[i]][_user];
uint256 rewardDebt = user.amount.mul(pool.accRewardPerShare).div(1e12);
pending = pending.add(rewardDebt.sub(user.rewardDebt));
user.rewardDebt = rewardDebt;
}
_mint(_user, pending);
}
}
文件 3 的 9:Context.sol
pragma solidity 0.7.6;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
文件 4 的 9:IERC20.sol
pragma solidity 0.7.6;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, 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 sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
文件 5 的 9:IMultiFeeDistribution.sol
pragma solidity 0.7.6;
interface IMultiFeeDistribution {
function addReward(address rewardsToken) external;
function mint(address user, uint256 amount, bool withPenalty) external;
function exit(bool claimRewards, address onBehalfOf) external;
function stake(uint256 amount, bool lock, address onBehalfOf) external;
}
文件 6 的 9:IOnwardIncentivesController.sol
pragma solidity 0.7.6;
interface IOnwardIncentivesController {
function handleAction(
address _token,
address _user,
uint256 _balance,
uint256 _totalSupply
) external;
}
文件 7 的 9:Ownable.sol
pragma solidity 0.7.6;
import './Context.sol';
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), 'Ownable: caller is not the owner');
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), 'Ownable: new owner is the zero address');
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
文件 8 的 9:SafeERC20.sol
pragma solidity 0.7.6;
import {IERC20} from './IERC20.sol';
import {SafeMath} from './SafeMath.sol';
import {Address} from './Address.sol';
library SafeERC20 {
using SafeMath for uint256;
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 callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), 'SafeERC20: call to non-contract');
(bool success, bytes memory returndata) = address(token).call(data);
require(success, 'SafeERC20: low-level call failed');
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), 'SafeERC20: ERC20 operation did not succeed');
}
}
}
文件 9 的 9:SafeMath.sol
pragma solidity 0.7.6;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, 'SafeMath: addition overflow');
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, 'SafeMath: subtraction overflow');
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, 'SafeMath: multiplication overflow');
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, 'SafeMath: division by zero');
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, 'SafeMath: modulo by zero');
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
{
"compilationTarget": {
"contracts/staking/ChefIncentivesController.sol": "ChefIncentivesController"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"inputs":[{"internalType":"uint128[]","name":"_startTimeOffset","type":"uint128[]"},{"internalType":"uint128[]","name":"_rewardsPerSecond","type":"uint128[]"},{"internalType":"address","name":"_poolConfigurator","type":"address"},{"internalType":"contract IMultiFeeDistribution","name":"_rewardMinter","type":"address"},{"internalType":"uint256","name":"_maxMintable","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"balance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"totalSupply","type":"uint256"}],"name":"BalanceUpdated","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"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_allocPoint","type":"uint256"}],"name":"addPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_tokens","type":"address[]"},{"internalType":"uint256[]","name":"_allocPoints","type":"uint256[]"}],"name":"batchUpdateAllocPoint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"address[]","name":"_tokens","type":"address[]"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"claimReceiver","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"address[]","name":"_tokens","type":"address[]"}],"name":"claimableReward","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"emissionSchedule","outputs":[{"internalType":"uint128","name":"startTimeOffset","type":"uint128"},{"internalType":"uint128","name":"rewardsPerSecond","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"uint256","name":"_balance","type":"uint256"},{"internalType":"uint256","name":"_totalSupply","type":"uint256"}],"name":"handleAction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"maxMintableTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintedTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolConfigurator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"poolInfo","outputs":[{"internalType":"uint256","name":"totalSupply","type":"uint256"},{"internalType":"uint256","name":"allocPoint","type":"uint256"},{"internalType":"uint256","name":"lastRewardTime","type":"uint256"},{"internalType":"uint256","name":"accRewardPerShare","type":"uint256"},{"internalType":"contract IOnwardIncentivesController","name":"onwardIncentives","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"registeredTokens","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardMinter","outputs":[{"internalType":"contract IMultiFeeDistribution","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardsPerSecond","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"address","name":"_receiver","type":"address"}],"name":"setClaimReceiver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"contract IOnwardIncentivesController","name":"_incentives","type":"address"}],"name":"setOnwardIncentives","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"start","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAllocPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userBaseClaimable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"}],"stateMutability":"view","type":"function"}]