Contract Name:
RewardRouterV2
Contract Source Code:
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.12;
contract Governable {
address public gov;
constructor() public {
gov = msg.sender;
}
modifier onlyGov() {
require(msg.sender == gov, "Governable: forbidden");
_;
}
function setGov(address _gov) external onlyGov {
gov = _gov;
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
import "./IVault.sol";
interface INlpManager {
function nlp() external view returns (address);
function usdn() external view returns (address);
function vault() external view returns (IVault);
function cooldownDuration() external returns (uint256);
function getAumInUsdn(bool maximise) external view returns (uint256);
function lastAddedAt(address _account) external returns (uint256);
function addLiquidity(address _token, uint256 _amount, uint256 _minUsdn, uint256 _minNlp) external returns (uint256);
function addLiquidityForAccount(address _fundingAccount, address _account, address _token, uint256 _amount, uint256 _minUsdn, uint256 _minNlp) external returns (uint256);
function removeLiquidity(address _tokenOut, uint256 _nlpAmount, uint256 _minOut, address _receiver) external returns (uint256);
function removeLiquidityForAccount(address _account, address _tokenOut, uint256 _nlpAmount, uint256 _minOut, address _receiver) external returns (uint256);
function setShortsTrackerAveragePriceWeight(uint256 _shortsTrackerAveragePriceWeight) external;
function setCooldownDuration(uint256 _cooldownDuration) external;
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
import "./IVaultUtils.sol";
interface IVault {
function isInitialized() external view returns (bool);
function isSwapEnabled() external view returns (bool);
function isLeverageEnabled() external view returns (bool);
function setVaultUtils(IVaultUtils _vaultUtils) external;
function setError(uint256 _errorCode, string calldata _error) external;
function router() external view returns (address);
function usdn() external view returns (address);
function gov() external view returns (address);
function whitelistedTokenCount() external view returns (uint256);
function maxLeverage() external view returns (uint256);
function minProfitTime() external view returns (uint256);
function hasDynamicFees() external view returns (bool);
function fundingInterval() external view returns (uint256);
function totalTokenWeights() external view returns (uint256);
function getTargetUsdnAmount(address _token) external view returns (uint256);
function inManagerMode() external view returns (bool);
function inPrivateLiquidationMode() external view returns (bool);
function maxGasPrice() external view returns (uint256);
function approvedRouters(address _account, address _router) external view returns (bool);
function isLiquidator(address _account) external view returns (bool);
function isManager(address _account) external view returns (bool);
function minProfitBasisPoints(address _token) external view returns (uint256);
function tokenBalances(address _token) external view returns (uint256);
function lastFundingTimes(address _token) external view returns (uint256);
function setMaxLeverage(uint256 _maxLeverage) external;
function setInManagerMode(bool _inManagerMode) external;
function setManager(address _manager, bool _isManager) external;
function setIsSwapEnabled(bool _isSwapEnabled) external;
function setIsLeverageEnabled(bool _isLeverageEnabled) external;
function setMaxGasPrice(uint256 _maxGasPrice) external;
function setUsdnAmount(address _token, uint256 _amount) external;
function setBufferAmount(address _token, uint256 _amount) external;
function setMaxGlobalShortSize(address _token, uint256 _amount) external;
function setInPrivateLiquidationMode(bool _inPrivateLiquidationMode) external;
function setLiquidator(address _liquidator, bool _isActive) external;
function setFundingRate(uint256 _fundingInterval, uint256 _fundingRateFactor, uint256 _stableFundingRateFactor) external;
function setFees(
uint256 _taxBasisPoints,
uint256 _stableTaxBasisPoints,
uint256 _mintBurnFeeBasisPoints,
uint256 _swapFeeBasisPoints,
uint256 _stableSwapFeeBasisPoints,
uint256 _marginFeeBasisPoints,
uint256 _liquidationFeeUsd,
uint256 _minProfitTime,
bool _hasDynamicFees
) external;
function setTokenConfig(
address _token,
uint256 _tokenDecimals,
uint256 _redemptionBps,
uint256 _minProfitBps,
uint256 _maxUsdnAmount,
bool _isStable,
bool _isShortable
) external;
function setPriceFeed(address _priceFeed) external;
function withdrawFees(address _token, address _receiver) external returns (uint256);
function directPoolDeposit(address _token) external;
function buyUSDN(address _token, address _receiver) external returns (uint256);
function sellUSDN(address _token, address _receiver) external returns (uint256);
function swap(address _tokenIn, address _tokenOut, address _receiver) external returns (uint256);
function increasePosition(address _account, address _collateralToken, address _indexToken, uint256 _sizeDelta, bool _isLong) external;
function decreasePosition(address _account, address _collateralToken, address _indexToken, uint256 _collateralDelta, uint256 _sizeDelta, bool _isLong, address _receiver) external returns (uint256);
function validateLiquidation(address _account, address _collateralToken, address _indexToken, bool _isLong, bool _raise) external view returns (uint256, uint256);
function liquidatePosition(address _account, address _collateralToken, address _indexToken, bool _isLong, address _feeReceiver) external;
function tokenToUsdMin(address _token, uint256 _tokenAmount) external view returns (uint256);
function priceFeed() external view returns (address);
function fundingRateFactor() external view returns (uint256);
function stableFundingRateFactor() external view returns (uint256);
function cumulativeFundingRates(address _token) external view returns (uint256);
function getNextFundingRate(address _token) external view returns (uint256);
function getFeeBasisPoints(address _token, uint256 _usdnDelta, uint256 _feeBasisPoints, uint256 _taxBasisPoints, bool _increment) external view returns (uint256);
function liquidationFeeUsd() external view returns (uint256);
function taxBasisPoints() external view returns (uint256);
function stableTaxBasisPoints() external view returns (uint256);
function mintBurnFeeBasisPoints() external view returns (uint256);
function swapFeeBasisPoints() external view returns (uint256);
function stableSwapFeeBasisPoints() external view returns (uint256);
function marginFeeBasisPoints() external view returns (uint256);
function allWhitelistedTokensLength() external view returns (uint256);
function allWhitelistedTokens(uint256) external view returns (address);
function whitelistedTokens(address _token) external view returns (bool);
function stableTokens(address _token) external view returns (bool);
function shortableTokens(address _token) external view returns (bool);
function feeReserves(address _token) external view returns (uint256);
function globalShortSizes(address _token) external view returns (uint256);
function globalShortAveragePrices(address _token) external view returns (uint256);
function maxGlobalShortSizes(address _token) external view returns (uint256);
function tokenDecimals(address _token) external view returns (uint256);
function tokenWeights(address _token) external view returns (uint256);
function guaranteedUsd(address _token) external view returns (uint256);
function poolAmounts(address _token) external view returns (uint256);
function bufferAmounts(address _token) external view returns (uint256);
function reservedAmounts(address _token) external view returns (uint256);
function usdnAmounts(address _token) external view returns (uint256);
function maxUsdnAmounts(address _token) external view returns (uint256);
function getRedemptionAmount(address _token, uint256 _usdnAmount) external view returns (uint256);
function getMaxPrice(address _token) external view returns (uint256);
function getMinPrice(address _token) external view returns (uint256);
function getDelta(address _indexToken, uint256 _size, uint256 _averagePrice, bool _isLong, uint256 _lastIncreasedTime) external view returns (bool, uint256);
function getPosition(address _account, address _collateralToken, address _indexToken, bool _isLong) external view returns (uint256, uint256, uint256, uint256, uint256, uint256, bool, uint256);
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
interface IVaultUtils {
function updateCumulativeFundingRate(address _collateralToken, address _indexToken) external returns (bool);
function validateIncreasePosition(address _account, address _collateralToken, address _indexToken, uint256 _sizeDelta, bool _isLong) external view;
function validateDecreasePosition(address _account, address _collateralToken, address _indexToken, uint256 _collateralDelta, uint256 _sizeDelta, bool _isLong, address _receiver) external view;
function validateLiquidation(address _account, address _collateralToken, address _indexToken, bool _isLong, bool _raise) external view returns (uint256, uint256);
function getEntryFundingRate(address _collateralToken, address _indexToken, bool _isLong) external view returns (uint256);
function getPositionFee(address _account, address _collateralToken, address _indexToken, bool _isLong, uint256 _sizeDelta) external view returns (uint256);
function getFundingFee(address _account, address _collateralToken, address _indexToken, bool _isLong, uint256 _size, uint256 _entryFundingRate) external view returns (uint256);
function getBuyUsdnFeeBasisPoints(address _token, uint256 _usdnAmount) external view returns (uint256);
function getSellUsdnFeeBasisPoints(address _token, uint256 _usdnAmount) external view returns (uint256);
function getSwapFeeBasisPoints(address _tokenIn, address _tokenOut, uint256 _usdnAmount) external view returns (uint256);
function getFeeBasisPoints(address _token, uint256 _usdnDelta, uint256 _feeBasisPoints, uint256 _taxBasisPoints, bool _increment) external view returns (uint256);
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.12;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
import "./IERC20.sol";
import "../math/SafeMath.sol";
import "../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
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));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
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).add(value);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.2;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
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");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
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");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.3._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.3._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor () internal {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and make it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
import "../libraries/math/SafeMath.sol";
import "../libraries/token/IERC20.sol";
import "../libraries/token/SafeERC20.sol";
import "../libraries/utils/ReentrancyGuard.sol";
import "../libraries/utils/Address.sol";
import "./interfaces/IRewardTracker.sol";
import "./interfaces/IRewardRouterV2.sol";
import "./interfaces/IVester.sol";
import "./interfaces/INslpManager.sol";
import "../tokens/interfaces/IMintable.sol";
import "../tokens/interfaces/IWETH.sol";
import "../core/interfaces/INlpManager.sol";
import "../access/Governable.sol";
contract RewardRouterV2 is IRewardRouterV2, ReentrancyGuard, Governable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
using Address for address payable;
bool public isInitialized;
address public weth;
address public navi;
address public esNavi;
address public bnNavi;
address public nlp; // NAVI Liquidity Provider token
address public nslp; // NSLP Liquidity Provider token
address public stakedNaviTracker;
address public bonusNaviTracker;
address public feeNaviTracker;
address public override stakedNlpTracker;
address public override stakedNslpTracker;
address public override feeNlpTracker;
address public override feeNslpTracker;
address public nlpManager;
address public nslpManager;
address public naviVester;
address public nlpVester;
address public nslpVester;
mapping(address => address) public pendingReceivers;
event StakeNavi(address account, address token, uint256 amount);
event UnstakeNavi(address account, address token, uint256 amount);
event StakeNlp(address account, uint256 amount);
event StakeNslp(address account, uint256 amount);
event UnstakeNlp(address account, uint256 amount);
event UnstakeNslp(address account, uint256 amount);
receive() external payable {
require(msg.sender == weth, "Router: invalid sender");
}
function initialize(
address[] memory _configs
//
// address _weth,
// address _navi,
// address _esNavi,
// address _bnNavi,
// address _nlp,
// address _nslp,
// address _stakedNaviTracker,
// address _bonusNaviTracker,
// address _feeNaviTracker,
// address _feeNlpTracker,
// address _feeNslpTracker,
// address _stakedNlpTracker,
// address _stakedNslpTracker,
// address _nlpManager,
// address _nslpManager,
// address _naviVester,
// address _nlpVester,
// address _nslpVester
) external onlyGov {
require(!isInitialized, "RewardRouter: already initialized");
isInitialized = true;
weth = _configs[0];
navi = _configs[1];
esNavi = _configs[2];
bnNavi = _configs[3];
nlp = _configs[4];
nslp = _configs[5];
stakedNaviTracker = _configs[6];
bonusNaviTracker = _configs[7];
feeNaviTracker = _configs[8];
feeNlpTracker = _configs[9];
feeNslpTracker = _configs[10];
stakedNlpTracker = _configs[11];
stakedNslpTracker = _configs[12];
nlpManager = _configs[13];
nslpManager = _configs[14];
naviVester = _configs[15];
nlpVester = _configs[16];
nslpVester = _configs[17];
}
// to help users who accidentally send their tokens to this contract
function withdrawToken(address _token, address _account, uint256 _amount) external onlyGov {
IERC20(_token).safeTransfer(_account, _amount);
}
function batchStakeNaviForAccount(address[] memory _accounts, uint256[] memory _amounts) external nonReentrant onlyGov {
address _navi = navi;
for (uint256 i = 0; i < _accounts.length; i++) {
_stakeNavi(msg.sender, _accounts[i], _navi, _amounts[i]);
}
}
function stakeNaviForAccount(address _account, uint256 _amount) external nonReentrant onlyGov {
_stakeNavi(msg.sender, _account, navi, _amount);
}
function stakeNavi(uint256 _amount) external nonReentrant {
_stakeNavi(msg.sender, msg.sender, navi, _amount);
}
function stakeEsNavi(uint256 _amount) external nonReentrant {
_stakeNavi(msg.sender, msg.sender, esNavi, _amount);
}
function unstakeNavi(uint256 _amount) external nonReentrant {
_unstakeNavi(msg.sender, navi, _amount, true);
}
function unstakeEsNavi(uint256 _amount) external nonReentrant {
_unstakeNavi(msg.sender, esNavi, _amount, true);
}
function mintAndStakeNlp(address _token, uint256 _amount, uint256 _minUsdn, uint256 _minNlp) external nonReentrant returns (uint256) {
require(_amount > 0, "RewardRouter: invalid _amount");
address account = msg.sender;
uint256 nlpAmount = INlpManager(nlpManager).addLiquidityForAccount(account, account, _token, _amount, _minUsdn, _minNlp);
IRewardTracker(feeNlpTracker).stakeForAccount(account, account, nlp, nlpAmount);
IRewardTracker(stakedNlpTracker).stakeForAccount(account, account, feeNlpTracker, nlpAmount);
emit StakeNlp(account, nlpAmount);
return nlpAmount;
}
function mintAndStakeNslp(address _token, uint256 _amount) external nonReentrant returns (uint256) {
require(_amount > 0, "RewardRouter: invalid _amount");
address account = msg.sender;
IERC20(_token).safeTransferFrom(msg.sender, address(this), _amount);
IERC20(_token).safeIncreaseAllowance(nslpManager, _amount);
uint256 nslpAmount = INslpManager(nslpManager).stake(account, _token, _amount);
IRewardTracker(feeNslpTracker).stakeForAccount(account, account, nslp, nslpAmount);
IRewardTracker(stakedNslpTracker).stakeForAccount(account, account, feeNslpTracker, nslpAmount);
emit StakeNslp(account, nslpAmount);
return nslpAmount;
}
function mintAndStakeNlpETH(uint256 _minUsdn, uint256 _minNlp) external payable nonReentrant returns (uint256) {
require(msg.value > 0, "RewardRouter: invalid msg.value");
IWETH(weth).deposit{value: msg.value}();
IERC20(weth).approve(nlpManager, msg.value);
address account = msg.sender;
uint256 nlpAmount = INlpManager(nlpManager).addLiquidityForAccount(address(this), account, weth, msg.value, _minUsdn, _minNlp);
IRewardTracker(feeNlpTracker).stakeForAccount(account, account, nlp, nlpAmount);
IRewardTracker(stakedNlpTracker).stakeForAccount(account, account, feeNlpTracker, nlpAmount);
emit StakeNlp(account, nlpAmount);
return nlpAmount;
}
function unstakeAndRedeemNlp(address _tokenOut, uint256 _nlpAmount, uint256 _minOut, address _receiver) external nonReentrant returns (uint256) {
require(_nlpAmount > 0, "RewardRouter: invalid _nlpAmount");
address account = msg.sender;
IRewardTracker(stakedNlpTracker).unstakeForAccount(account, feeNlpTracker, _nlpAmount, account);
IRewardTracker(feeNlpTracker).unstakeForAccount(account, nlp, _nlpAmount, account);
uint256 amountOut = INlpManager(nlpManager).removeLiquidityForAccount(account, _tokenOut, _nlpAmount, _minOut, _receiver);
emit UnstakeNlp(account, _nlpAmount);
return amountOut;
}
function unstakeAndRedeemNslp(address _tokenOut, uint256 _nslpAmount, uint256 _minOut) external nonReentrant returns (uint256) {
require(_nslpAmount > 0, "RewardRouter: invalid _nslpAmount");
address account = msg.sender;
IRewardTracker(stakedNslpTracker).unstakeForAccount(account, feeNslpTracker, _nslpAmount, account);
IRewardTracker(feeNslpTracker).unstakeForAccount(account, nslp, _nslpAmount, account);
uint256 amountOut = INslpManager(nslpManager).unstake(account, _tokenOut, _nslpAmount);
require(amountOut >= _minOut, "RewardRouter: invalid _minOut");
emit UnstakeNslp(account, _nslpAmount);
return amountOut;
}
function unstakeAndRedeemNlpETH(uint256 _nlpAmount, uint256 _minOut, address payable _receiver) external nonReentrant returns (uint256) {
require(_nlpAmount > 0, "RewardRouter: invalid _nlpAmount");
address account = msg.sender;
IRewardTracker(stakedNlpTracker).unstakeForAccount(account, feeNlpTracker, _nlpAmount, account);
IRewardTracker(feeNlpTracker).unstakeForAccount(account, nlp, _nlpAmount, account);
uint256 amountOut = INlpManager(nlpManager).removeLiquidityForAccount(account, weth, _nlpAmount, _minOut, address(this));
IWETH(weth).withdraw(amountOut);
_receiver.sendValue(amountOut);
emit UnstakeNlp(account, _nlpAmount);
return amountOut;
}
function claim() external nonReentrant {
_claimEsNavi(msg.sender, msg.sender);
_claimFees(msg.sender, msg.sender);
}
function claimEsNavi() external nonReentrant {
_claimEsNavi(msg.sender, msg.sender);
}
function _claimEsNavi(address account, address _receiver) internal returns (uint256) {
uint256 esNaviAmount0 = IRewardTracker(stakedNaviTracker).claimForAccount(account, _receiver);
uint256 esNaviAmount1 = IRewardTracker(stakedNlpTracker).claimForAccount(account, _receiver);
uint256 esNaviAmount2 = IRewardTracker(stakedNslpTracker).claimForAccount(account, _receiver);
return esNaviAmount0.add(esNaviAmount1).add(esNaviAmount2);
}
function claimFees() external nonReentrant {
_claimFees(msg.sender, msg.sender);
}
function _claimFees(address account, address _receiver) internal returns (uint256) {
uint256 feeAmount0 = IRewardTracker(feeNaviTracker).claimForAccount(account, _receiver);
uint256 feeAmount1 = IRewardTracker(feeNlpTracker).claimForAccount(account, _receiver);
uint256 feeAmount2 = IRewardTracker(feeNslpTracker).claimForAccount(account, _receiver);
return feeAmount0.add(feeAmount1).add(feeAmount2);
}
function compound() external nonReentrant {
_compound(msg.sender);
}
function compoundForAccount(address _account) external nonReentrant onlyGov {
_compound(_account);
}
function handleRewards(
bool _shouldClaimNavi,
bool _shouldStakeNavi,
bool _shouldClaimEsNavi,
bool _shouldStakeEsNavi,
bool _shouldStakeMultiplierPoints,
bool _shouldClaimWeth,
bool _shouldConvertWethToEth
) external nonReentrant {
address account = msg.sender;
uint256 naviAmount = 0;
if (_shouldClaimNavi) {
uint256 naviAmount0 = IVester(naviVester).claimForAccount(account, account);
uint256 naviAmount1 = IVester(nlpVester).claimForAccount(account, account);
uint256 naviAmount2 = IVester(nslpVester).claimForAccount(account, account);
naviAmount = naviAmount0.add(naviAmount1).add(naviAmount2);
}
if (_shouldStakeNavi && naviAmount > 0) {
_stakeNavi(account, account, navi, naviAmount);
}
uint256 esNaviAmount = 0;
if (_shouldClaimEsNavi) {
// uint256 esNaviAmount0 = IRewardTracker(stakedNaviTracker).claimForAccount(account, account);
// uint256 esNaviAmount1 = IRewardTracker(stakedNlpTracker).claimForAccount(account, account);
// uint256 esNaviAmount2 = IRewardTracker(stakedNslpTracker).claimForAccount(account, account);
esNaviAmount = _claimEsNavi(account, account);
}
if (_shouldStakeEsNavi && esNaviAmount > 0) {
_stakeNavi(account, account, esNavi, esNaviAmount);
}
if (_shouldStakeMultiplierPoints) {
uint256 bnNaviAmount = IRewardTracker(bonusNaviTracker).claimForAccount(account, account);
if (bnNaviAmount > 0) {
IRewardTracker(feeNaviTracker).stakeForAccount(account, account, bnNavi, bnNaviAmount);
}
}
if (_shouldClaimWeth) {
if (_shouldConvertWethToEth) {
// uint256 weth0 = IRewardTracker(feeNaviTracker).claimForAccount(account, address(this));
// uint256 weth1 = IRewardTracker(feeNlpTracker).claimForAccount(account, address(this));
// uint256 weth2 = IRewardTracker(feeNslpTracker).claimForAccount(account, address(this));
uint256 wethAmount = _claimFees(account, address(this)); //weth0.add(weth1).add(weth2);
IWETH(weth).withdraw(wethAmount);
payable(account).sendValue(wethAmount);
} else {
// IRewardTracker(feeNaviTracker).claimForAccount(account, account);
// IRewardTracker(feeNlpTracker).claimForAccount(account, account);
// IRewardTracker(feeNslpTracker).claimForAccount(account, account);
_claimFees(account, account);
}
}
}
function batchCompoundForAccounts(address[] memory _accounts) external nonReentrant onlyGov {
for (uint256 i = 0; i < _accounts.length; i++) {
_compound(_accounts[i]);
}
}
function signalTransfer(address _receiver) external nonReentrant {
require(IERC20(naviVester).balanceOf(msg.sender) == 0, "RewardRouter: balance > 0");
require(IERC20(nlpVester).balanceOf(msg.sender) == 0, "RewardRouter: balance > 0");
require(IERC20(nslpVester).balanceOf(msg.sender) == 0, "RewardRouter: balance > 0");
_validateReceiver(_receiver);
pendingReceivers[msg.sender] = _receiver;
}
function acceptTransfer(address _sender) external nonReentrant {
require(IERC20(naviVester).balanceOf(_sender) == 0, "RewardRouter: balance > 0");
require(IERC20(nlpVester).balanceOf(_sender) == 0, "RewardRouter: balance > 0");
require(IERC20(nslpVester).balanceOf(_sender) == 0, "RewardRouter: balance > 0");
address receiver = msg.sender;
require(pendingReceivers[_sender] == receiver, "RewardRouter: transfer not signalled");
delete pendingReceivers[_sender];
_validateReceiver(receiver);
_compound(_sender);
uint256 stakedNavi = IRewardTracker(stakedNaviTracker).depositBalances(_sender, navi);
if (stakedNavi > 0) {
_unstakeNavi(_sender, navi, stakedNavi, false);
_stakeNavi(_sender, receiver, navi, stakedNavi);
}
uint256 stakedEsNavi = IRewardTracker(stakedNaviTracker).depositBalances(_sender, esNavi);
if (stakedEsNavi > 0) {
_unstakeNavi(_sender, esNavi, stakedEsNavi, false);
_stakeNavi(_sender, receiver, esNavi, stakedEsNavi);
}
uint256 stakedBnNavi = IRewardTracker(feeNaviTracker).depositBalances(_sender, bnNavi);
if (stakedBnNavi > 0) {
IRewardTracker(feeNaviTracker).unstakeForAccount(_sender, bnNavi, stakedBnNavi, _sender);
IRewardTracker(feeNaviTracker).stakeForAccount(_sender, receiver, bnNavi, stakedBnNavi);
}
uint256 esNaviBalance = IERC20(esNavi).balanceOf(_sender);
if (esNaviBalance > 0) {
IERC20(esNavi).transferFrom(_sender, receiver, esNaviBalance);
}
uint256 nlpAmount = IRewardTracker(feeNlpTracker).depositBalances(_sender, nlp);
if (nlpAmount > 0) {
IRewardTracker(stakedNlpTracker).unstakeForAccount(_sender, feeNlpTracker, nlpAmount, _sender);
IRewardTracker(feeNlpTracker).unstakeForAccount(_sender, nlp, nlpAmount, _sender);
IRewardTracker(feeNlpTracker).stakeForAccount(_sender, receiver, nlp, nlpAmount);
IRewardTracker(stakedNlpTracker).stakeForAccount(receiver, receiver, feeNlpTracker, nlpAmount);
}
uint256 nslpAmount = IRewardTracker(feeNslpTracker).depositBalances(_sender, nslp);
if (nslpAmount > 0) {
IRewardTracker(stakedNslpTracker).unstakeForAccount(_sender, feeNslpTracker, nslpAmount, _sender);
IRewardTracker(feeNslpTracker).unstakeForAccount(_sender, nslp, nslpAmount, _sender);
IRewardTracker(feeNslpTracker).stakeForAccount(_sender, receiver, nslp, nslpAmount);
IRewardTracker(stakedNslpTracker).stakeForAccount(receiver, receiver, feeNslpTracker, nslpAmount);
}
IVester(naviVester).transferStakeValues(_sender, receiver);
IVester(nlpVester).transferStakeValues(_sender, receiver);
IVester(nslpVester).transferStakeValues(_sender, receiver);
}
function _validateTracker(address _tracker, address _receiver) private view {
require(IRewardTracker(_tracker).averageStakedAmounts(_receiver) == 0, "averageStakedAmounts > 0");
require(IRewardTracker(_tracker).cumulativeRewards(_receiver) == 0, "cumulativeRewards > 0");
}
function _validateVester(address _vester, address _receiver) private view {
require(IVester(_vester).transferredAverageStakedAmounts(_receiver) == 0, "transferredAverageStakedAmounts > 0");
require(IVester(_vester).transferredCumulativeRewards(_receiver) == 0, "transferredCumulativeRewards > 0");
}
function _validateReceiver(address _receiver) private view {
_validateTracker(stakedNaviTracker, _receiver);
_validateTracker(bonusNaviTracker, _receiver);
_validateTracker(feeNaviTracker, _receiver);
_validateVester(naviVester, _receiver);
_validateTracker(stakedNlpTracker, _receiver);
_validateTracker(feeNlpTracker, _receiver);
_validateVester(nlpVester, _receiver);
_validateTracker(stakedNslpTracker, _receiver);
_validateTracker(feeNslpTracker, _receiver);
_validateVester(nslpVester, _receiver);
require(IERC20(naviVester).balanceOf(_receiver) == 0, "RewardRouter: balance > 0");
require(IERC20(nlpVester).balanceOf(_receiver) == 0, "RewardRouter: balance > 0");
require(IERC20(nslpVester).balanceOf(_receiver) == 0, "RewardRouter: balance > 0");
}
function _compound(address _account) private {
_compoundNavi(_account);
_compoundNlp(_account);
_compoundNslp(_account);
}
function _compoundNavi(address _account) private {
uint256 esNaviAmount = IRewardTracker(stakedNaviTracker).claimForAccount(_account, _account);
if (esNaviAmount > 0) {
_stakeNavi(_account, _account, esNavi, esNaviAmount);
}
uint256 bnNaviAmount = IRewardTracker(bonusNaviTracker).claimForAccount(_account, _account);
if (bnNaviAmount > 0) {
IRewardTracker(feeNaviTracker).stakeForAccount(_account, _account, bnNavi, bnNaviAmount);
}
}
function _compoundNlp(address _account) private {
uint256 esNaviAmount = IRewardTracker(stakedNlpTracker).claimForAccount(_account, _account);
if (esNaviAmount > 0) {
_stakeNavi(_account, _account, esNavi, esNaviAmount);
}
}
function _compoundNslp(address _account) private {
uint256 esNaviAmount = IRewardTracker(stakedNslpTracker).claimForAccount(_account, _account);
if (esNaviAmount > 0) {
_stakeNavi(_account, _account, esNavi, esNaviAmount);
}
}
function _stakeNavi(address _fundingAccount, address _account, address _token, uint256 _amount) private {
require(_amount > 0, "RewardRouter: invalid _amount");
IRewardTracker(stakedNaviTracker).stakeForAccount(_fundingAccount, _account, _token, _amount);
IRewardTracker(bonusNaviTracker).stakeForAccount(_account, _account, stakedNaviTracker, _amount);
IRewardTracker(feeNaviTracker).stakeForAccount(_account, _account, bonusNaviTracker, _amount);
emit StakeNavi(_account, _token, _amount);
}
function _unstakeNavi(address _account, address _token, uint256 _amount, bool _shouldReduceBnNavi) private {
require(_amount > 0, "RewardRouter: invalid _amount");
uint256 balance = IRewardTracker(stakedNaviTracker).stakedAmounts(_account);
IRewardTracker(feeNaviTracker).unstakeForAccount(_account, bonusNaviTracker, _amount, _account);
IRewardTracker(bonusNaviTracker).unstakeForAccount(_account, stakedNaviTracker, _amount, _account);
IRewardTracker(stakedNaviTracker).unstakeForAccount(_account, _token, _amount, _account);
if (_shouldReduceBnNavi) {
uint256 bnNaviAmount = IRewardTracker(bonusNaviTracker).claimForAccount(_account, _account);
if (bnNaviAmount > 0) {
IRewardTracker(feeNaviTracker).stakeForAccount(_account, _account, bnNavi, bnNaviAmount);
}
uint256 stakedBnNavi = IRewardTracker(feeNaviTracker).depositBalances(_account, bnNavi);
if (stakedBnNavi > 0) {
uint256 reductionAmount = stakedBnNavi.mul(_amount).div(balance);
IRewardTracker(feeNaviTracker).unstakeForAccount(_account, bnNavi, reductionAmount, _account);
IMintable(bnNavi).burn(_account, reductionAmount);
}
}
emit UnstakeNavi(_account, _token, _amount);
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
interface INslpManager {
function unstake(address _account, address _tokenOut, uint256 _nslpAmount) external returns (uint256);
function stake(address _account, address _token, uint256 _amount) external returns (uint256);
}
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
interface IRewardRouterV2 {
function feeNlpTracker() external view returns (address);
function stakedNlpTracker() external view returns (address);
function feeNslpTracker() external view returns (address);
function stakedNslpTracker() external view returns (address);
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.12;
interface IRewardTracker {
function depositBalances(address _account, address _depositToken) external view returns (uint256);
function stakedAmounts(address _account) external view returns (uint256);
function updateRewards() external;
function stake(address _depositToken, uint256 _amount) external;
function stakeForAccount(address _fundingAccount, address _account, address _depositToken, uint256 _amount) external;
function unstake(address _depositToken, uint256 _amount) external;
function unstakeForAccount(address _account, address _depositToken, uint256 _amount, address _receiver) external;
function tokensPerInterval() external view returns (uint256);
function claim(address _receiver) external returns (uint256);
function claimForAccount(address _account, address _receiver) external returns (uint256);
function claimable(address _account) external view returns (uint256);
function averageStakedAmounts(address _account) external view returns (uint256);
function cumulativeRewards(address _account) external view returns (uint256);
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.12;
interface IVester {
function rewardTracker() external view returns (address);
function claimForAccount(address _account, address _receiver) external returns (uint256);
function claimable(address _account) external view returns (uint256);
function cumulativeClaimAmounts(address _account) external view returns (uint256);
function claimedAmounts(address _account) external view returns (uint256);
function pairAmounts(address _account) external view returns (uint256);
function getVestedAmount(address _account) external view returns (uint256);
function transferredAverageStakedAmounts(address _account) external view returns (uint256);
function transferredCumulativeRewards(address _account) external view returns (uint256);
function cumulativeRewardDeductions(address _account) external view returns (uint256);
function bonusRewards(address _account) external view returns (uint256);
function transferStakeValues(address _sender, address _receiver) external;
function setTransferredAverageStakedAmounts(address _account, uint256 _amount) external;
function setTransferredCumulativeRewards(address _account, uint256 _amount) external;
function setCumulativeRewardDeductions(address _account, uint256 _amount) external;
function setBonusRewards(address _account, uint256 _amount) external;
function getMaxVestableAmount(address _account) external view returns (uint256);
function getCombinedAverageStakedAmount(address _account) external view returns (uint256);
function depositForAccount(address _account, uint256 _amount) external;
}
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.12;
interface IMintable {
function isMinter(address _account) external returns (bool);
function setMinter(address _minter, bool _isActive) external;
function mint(address _account, uint256 _amount) external;
function burn(address _account, uint256 _amount) external;
}
//SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
interface IWETH {
function deposit() external payable;
function transfer(address to, uint value) external returns (bool);
function withdraw(uint) external;
}