编译器
0.8.17+commit.8df45f5f
文件 1 的 9：Address.sol
pragma solidity 0.8.17;
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 functionCall(target, data, "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");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(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) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(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) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}文件 2 的 9：BepeStaking.sol
pragma solidity 0.8.17;
import "./Ownable.sol";
import "./SafeERC20.sol";
import "./Pausable.sol";
import "./ReentrancyGuard.sol";
contract BepeStaking is Ownable, ReentrancyGuard, Pausable {
using SafeERC20 for IERC20;
struct UserInfo {
uint256 amount;
uint256 endTime;
uint256 lastCTime;
}
struct PoolInfo {
IERC20 token;
IERC20 rToken;
uint256 lockDays;
uint256 rPBT;
uint256 amount;
}
event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
PoolInfo[] public poolInfo;
mapping(uint256 => mapping(address => UserInfo)) public userInfo;
uint256 public constant R_DENOM = 10 ** 18;
function poolLength() external view returns (uint256) {
return poolInfo.length;
}
function addPool(
IERC20 _token,
IERC20 _rToken,
uint256 _lockDays,
uint256 _rewardPBT
) external onlyOwner {
poolInfo.push(
PoolInfo({
token: _token,
rToken: _rToken,
lockDays: _lockDays,
rPBT: _rewardPBT,
amount: 0
})
);
}
function setPool(
uint256 _pid,
uint256 _lockDays,
uint256 _rewardPBT
) external onlyOwner {
poolInfo[_pid].lockDays = _lockDays;
poolInfo[_pid].rPBT = _rewardPBT;
}
function deposit(
uint256 _pid,
uint256 _amount
) external nonReentrant whenNotPaused {
require(_pid < poolInfo.length, "Invalid Pool");
require(_amount > 0, "Invalid Amount");
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
if (
user.amount > 0 && pool.rPBT > 0 && block.timestamp > user.lastCTime
) {
uint256 delta = block.timestamp - user.lastCTime;
uint256 reward = (pool.rPBT * user.amount * delta) / R_DENOM;
pool.rToken.safeTransfer(msg.sender, reward);
}
pool.token.safeTransferFrom(msg.sender, address(this), _amount);
pool.amount += _amount;
user.amount += _amount;
user.endTime = block.timestamp + pool.lockDays;
user.lastCTime = block.timestamp;
emit Deposit(msg.sender, _pid, _amount);
}
function redeposit(uint256 _pid) external nonReentrant whenNotPaused {
require(_pid < poolInfo.length, "Invalid Pool");
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(pool.rToken == pool.token, "Invalid Pool To Redeposit");
require(user.amount > 0, "Zero Staked Amount");
require(pool.rPBT > 0, "No Reward Per Block Per Token");
require(block.timestamp > user.lastCTime, "Time Error");
uint256 delta = block.timestamp - user.lastCTime;
uint256 reward = (pool.rPBT * user.amount * delta) / R_DENOM;
pool.amount += reward;
user.amount += reward;
user.endTime = block.timestamp + pool.lockDays;
user.lastCTime = block.timestamp;
emit Deposit(msg.sender, _pid, reward);
}
function withdraw(
uint256 _pid,
uint256 _amount
) external nonReentrant whenNotPaused returns (uint256 reward) {
require(_pid < poolInfo.length, "Invalid Pool");
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][msg.sender];
require(user.amount > 0, "Zero Staked Amount");
if (pool.rPBT > 0 && block.timestamp > user.lastCTime) {
uint256 delta = block.timestamp - user.lastCTime;
reward = (pool.rPBT * user.amount * delta) / R_DENOM;
pool.rToken.safeTransfer(msg.sender, reward);
}
user.lastCTime = block.timestamp;
if (_amount > 0) {
require(user.amount >= _amount, "Invalid Withdraw Amount");
require(block.timestamp > user.endTime, "In Lock Time");
pool.token.safeTransfer(msg.sender, _amount);
pool.amount -= _amount;
user.amount -= _amount;
}
if (block.timestamp > user.endTime) {
user.endTime = block.timestamp + pool.lockDays;
}
emit Withdraw(msg.sender, _pid, _amount);
}
function pendingRewards(
uint256 _pid,
address _user
) public view returns (uint256 reward) {
require(_pid < poolInfo.length, "Invalid Pool");
PoolInfo storage pool = poolInfo[_pid];
UserInfo storage user = userInfo[_pid][_user];
require(user.amount > 0, "Zero Staked Amount");
if (pool.rPBT > 0 && block.timestamp > user.lastCTime) {
uint256 delta = block.timestamp - user.lastCTime;
reward = (pool.rPBT * user.amount * delta) / R_DENOM;
}
}
function pause() external {
_pause();
}
function unpause() external {
_unpause();
}
}
文件 3 的 9：Context.sol
pragma solidity 0.8.17;
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 4 的 9：IERC20.sol
pragma solidity 0.8.17;
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);
function decimals() external view returns (uint8);
}文件 5 的 9：Ownable.sol
pragma solidity 0.8.17;
import "./Context.sol";
abstract contract Ownable is Context {
address private _owner;
address private _deployer;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
_transferOwnership(_msgSender());
_deployer = _msgSender();
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(
owner() == _msgSender() || _deployer == _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 6 的 9：Pausable.sol
pragma solidity 0.8.17;
import "./Context.sol";
abstract contract Pausable is Context {
event Paused(address account);
event Unpaused(address account);
bool private _paused;
constructor() {
_paused = false;
}
modifier whenNotPaused() {
_requireNotPaused();
_;
}
modifier whenPaused() {
_requirePaused();
_;
}
function paused() public view virtual returns (bool) {
return _paused;
}
function _requireNotPaused() internal view virtual {
require(!paused(), "Pausable: paused");
}
function _requirePaused() internal view virtual {
require(paused(), "Pausable: not paused");
}
function _pause() internal virtual whenNotPaused {
_paused = true;
emit Paused(_msgSender());
}
function _unpause() internal virtual whenPaused {
_paused = false;
emit Unpaused(_msgSender());
}
}文件 7 的 9：ReentrancyGuard.sol
pragma solidity 0.8.17;
abstract contract ReentrancyGuard {
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
modifier nonReentrant() {
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
_status = _ENTERED;
_;
_status = _NOT_ENTERED;
}
}文件 8 的 9：SafeERC20.sol
pragma solidity 0.8.17;
import "./IERC20.sol";
import "./draft-IERC20Permit.sol";
import "./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 9 的 9：draft-IERC20Permit.sol
pragma solidity 0.8.17;
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": {
"contracts/staking/BepeStaking.sol": "BepeStaking"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 2000
},
"remappings": []
}[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"R_DENOM","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"},{"internalType":"contract IERC20","name":"_rToken","type":"address"},{"internalType":"uint256","name":"_lockDays","type":"uint256"},{"internalType":"uint256","name":"_rewardPBT","type":"uint256"}],"name":"addPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"pendingRewards","outputs":[{"internalType":"uint256","name":"reward","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"poolInfo","outputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"contract IERC20","name":"rToken","type":"address"},{"internalType":"uint256","name":"lockDays","type":"uint256"},{"internalType":"uint256","name":"rPBT","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"redeposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_lockDays","type":"uint256"},{"internalType":"uint256","name":"_rewardPBT","type":"uint256"}],"name":"setPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"lastCTime","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"reward","type":"uint256"}],"stateMutability":"nonpayable","type":"function"}]
