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Contract Name:
Avalanche
Compiler Version
v0.6.12+commit.27d51765
Contract Source Code (Solidity Multiple files format)
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IERC20 } from './IERC20.sol'; import { AvalancheBase } from "./AvalancheBase.sol"; import { IAvalanche } from "./IAvalanche.sol"; import { IFROST } from "./IFROST.sol"; import { ILoyalty } from "./ILoyalty.sol"; import { ISlopes } from "./ISlopes.sol"; contract Avalanche is IAvalanche, AvalancheBase { event Activated(address indexed user); event Distribution(address indexed user, uint256 totalFrostRewards, uint256 payoutPerDay); event Claim(address indexed user, uint256 frostAmount); event Deposit(address indexed user, uint256 amount); event Withdraw(address indexed user, uint256 amount); event FrostRewardAdded(address indexed user, uint256 frostReward); event EthRewardAdded(address indexed user, uint256 ethReward); uint256 public constant PAYOUT_INTERVAL = 24 hours; // How often the payouts occur uint256 public constant TOTAL_PAYOUTS = 20; // How many payouts per distribution cycle uint256 public nextEpochFrostReward; // accumulated frost for next distribution cycle uint256 public epochFrostReward; // current epoch rewards uint256 public epochFrostRewardPerDay; // 5% per day, 20 days uint256 public unstakingFee; // The unstaking fee that is used to increase locked liquidity and reward Avalanche stakers (1 = 0.1%). Defaults to 10% uint256 public buybackAmount; // The amount of FROST-ETH LP tokens kept by the unstaking fee that will be converted to FROST and distributed to stakers (1 = 0.1%). Defaults to 50% bool public override active; // Becomes true once the 'activate' function called uint256 public startTime; // When the first payout can be processed (timestamp). It will be 24 hours after the Avalanche contract is activated uint256 public lastPayout; // When the last payout was processed (timestamp) uint256 public lastReward; // timestamp when last frost reward was minted uint256 public totalPendingFrost; // The total amount of pending FROST available for stakers to claim uint256 public accFrostPerShare; // Accumulated FROST per share, times 1e12. uint256 public totalStaked; // The total amount of FROST-ETH LP tokens staked in the contract uint256 public totalShares; // The total amount of pool shares uint256 public weight; // pool weight modifier AvalancheActive { require(active, "Avalanche is not active"); _; } modifier SlopesActive { require(ISlopes(slopesAddress()).active(), "Slopes are not active"); _; } constructor(address addressRegistry) public AvalancheBase(addressRegistry) { unstakingFee = 100; buybackAmount = 500; weight = 5; } // activate the avalanche distribution phase // signified avalanche is open on first call and calcs // all necessary rewards vars function activate() external override OnlyFROST { if (!active) { active = true; } // The first payout can be processed 24 hours after activation startTime = block.timestamp + getDistributionPayoutInterval(); lastPayout = startTime; epochFrostReward = nextEpochFrostReward; epochFrostRewardPerDay = epochFrostReward.div(getTotalDistributionPayouts()); nextEpochFrostReward = 0; } // The _transfer function in the FROST contract calls this to let the Avalanche contract know that it received the specified amount of FROST to be distributed function addFrostReward(address _from, uint256 _amount) external override // NonZeroAmount(_amount) SlopesActive OnlyFROST { // if max supply is hit, distribute directly to pool // else always add reward to next epoch rewards. if (IFROST(frostAddress()).maxSupplyHit()) { totalPendingFrost = totalPendingFrost.add(_amount); accFrostPerShare = accFrostPerShare.add(_amount.mul(1e12).div(totalShares)); } else { nextEpochFrostReward = nextEpochFrostReward.add(_amount); } emit FrostRewardAdded(_from, _amount); } receive() external payable { addEthReward(); } // Allows external sources to add ETH to the contract which is used to buy and then distribute FROST to stakers function addEthReward() public payable SlopesActive { uint256 ethBalance = address(this).balance; require(ethBalance > 0, "Must have eth to swap"); _swapExactETHForTokens(address(this).balance, frostAddress()); // The _transfer function in the FROST contract calls the Avalanche contract's updateOwdrReward function // so we don't need to update the balances after buying the PWRD token emit EthRewardAdded(msg.sender, msg.value); } function _updatePool() internal AvalancheActive { if (IFROST(frostAddress()).accumulating()) { _processAccumulationPayouts(); } else { _processDistributionPayouts(); } } // handles updating the pool during accumulation phases function _processAccumulationPayouts() internal { if (block.timestamp <= lastReward) { return; } if (totalStaked == 0) { lastReward = block.timestamp; return; } // Calculate the current FROST rewards for a specific pool // using fixed APR formula and Uniswap price uint256 tokenPrice = _getLpTokenPrice(frostPoolAddress()); uint256 frostReward = _calculatePendingRewards( lastReward, totalShares, tokenPrice, weight ); // if we hit the max supply here, ensure no overflow // epoch will be incremented from the token address frostAddress = frostAddress(); uint256 frostTotalSupply = IERC20(frostAddress).totalSupply(); if (frostTotalSupply.add(frostReward) >= IFROST(frostAddress).currentMaxSupply()) { frostReward = IFROST(frostAddress).currentMaxSupply().sub(frostTotalSupply); } if (frostReward > 0) { IFROST(frostAddress).mint(address(this), frostReward); accFrostPerShare = accFrostPerShare.add(frostReward.mul(1e12).div(totalShares)); lastReward = block.timestamp; } } // Handles paying out the fixed distribution payouts over 20 days // rewards directly added to accFrostPerShare at max supply hit, becomes a direct calculation function _processDistributionPayouts() internal { if (!active || block.timestamp < startTime || block.timestamp <= lastReward || IFROST(frostAddress()).maxSupplyHit() || epochFrostReward == 0 || totalStaked == 0) { return; } // How many days since last payout? uint256 daysSinceLastPayout = (block.timestamp - lastPayout) / getDistributionPayoutInterval(); // If less than 1, don't do anything if (daysSinceLastPayout == 0) { return; } // Work out how many payouts have been missed uint256 payoutNumber = payoutNumber(); uint256 previousPayoutNumber = payoutNumber - daysSinceLastPayout; // Calculate how much additional reward we have to hand out uint256 frostReward = rewardAtPayout(payoutNumber) - rewardAtPayout(previousPayoutNumber); if (frostReward > epochFrostReward) { frostReward = epochFrostReward; } epochFrostReward = epochFrostReward.sub(frostReward); // Payout the frostReward to the stakers totalPendingFrost = totalPendingFrost.add(frostReward); accFrostPerShare = accFrostPerShare.add(frostReward.mul(1e12).div(totalShares)); // Update lastPayout time lastPayout += (daysSinceLastPayout * getDistributionPayoutInterval()); lastReward = block.timestamp; if (payoutNumber >= getTotalDistributionPayouts()) { IFROST(frostAddress()).updateEpoch(IFROST(frostAddress()).currentEpoch() + 1, 0); } } // Claim earned FROST function claim() external override { _updatePool(); _claim(msg.sender); } function claimFor(address _user) external override OnlyLoyalty { _updatePool(); _claim(_user); } function _claim(address _user) internal AvalancheActive { UserInfo storage user = userInfo[_user]; if (user.staked > 0) { uint256 pendingFrostReward = user.shares.mul(accFrostPerShare).div(1e12).sub(user.rewardDebt); if (pendingFrostReward > 0) { totalPendingFrost = totalPendingFrost.sub(pendingFrostReward); user.claimed += pendingFrostReward; user.rewardDebt = user.shares.mul(accFrostPerShare).div(1e12); // update user/pool shares uint256 shares = ILoyalty(loyaltyAddress()).getTotalShares(_user, user.staked); if (shares > user.shares) { totalShares = totalShares.add(shares.sub(user.shares)); } else if (shares < user.shares) { totalShares = totalShares.sub(user.shares.sub(shares)); } user.shares = shares; _safeTokenTransfer( frostAddress(), _user, pendingFrostReward ); emit Claim(_user, pendingFrostReward); } } } // Stake FROST-ETH LP tokens function deposit(uint256 _amount) external override { _deposit(msg.sender, msg.sender, _amount); } // stake for another user, used to migrate to this pool function depositFor(address _from, address _user, uint256 _amount) external override OnlySlopes { _deposit(_from, _user, _amount); } // Stake FROST-ETH LP tokens for address function _deposit(address _from, address _user, uint256 _amount) internal AvalancheActive NonZeroAmount(_amount) { IERC20(frostPoolAddress()).safeTransferFrom(_from, address(this), _amount); _updatePool(); _claim(_user); UserInfo storage user = userInfo[_user]; uint256 shares = ILoyalty(loyaltyAddress()).getTotalShares(_user, _amount); totalShares = totalShares.add(shares); user.shares = user.shares.add(shares); totalStaked = totalStaked.add(_amount); user.staked = user.staked.add(_amount); user.rewardDebt = user.shares.mul(accFrostPerShare).div(1e12); emit Deposit(_user, _amount); } // Unstake and withdraw FROST-ETH LP tokens and any pending FROST rewards. // There is a 10% unstaking fee, meaning the user will only receive 90% of their LP tokens back. // For the LP tokens kept by the unstaking fee, a % will get locked forever in the FROST contract, and the rest will get converted to FROST and distributed to stakers. //TODO -> change ratio to 75% convertion to rewards function withdraw(uint256 _amount) external override { _withdraw(_msgSender(), _amount); } function _withdraw(address _user, uint256 _amount) internal AvalancheActive NonZeroAmount(_amount) HasStakedBalance(_user) HasWithdrawableBalance(_user, _amount) { _updatePool(); UserInfo storage user = userInfo[_user]; uint256 unstakingFeeAmount = _amount.mul(unstakingFee).div(1000); uint256 remainingUserAmount = _amount.sub(unstakingFeeAmount); // Some of the LP tokens kept by the unstaking fee will be locked forever in the FROST contract, // the rest will be converted to FROST and distributed to stakers uint256 lpTokensToConvertToFrost = unstakingFeeAmount.mul(buybackAmount).div(1000); uint256 lpTokensToLock = unstakingFeeAmount.sub(lpTokensToConvertToFrost); // Remove the liquidity from the Uniswap FROST-ETH pool and buy FROST with the ETH received // The _transfer function in the FROST.sol contract automatically calls avalanche.addFrostRewards() if (lpTokensToConvertToFrost > 0) { _removeLiquidityETH( lpTokensToConvertToFrost, frostPoolAddress(), frostAddress() ); addEthReward(); } // Permanently lock the LP tokens in the FROST contract if (lpTokensToLock > 0) { IERC20(frostPoolAddress()).safeTransfer(vaultAddress(), lpTokensToLock); } // Claim any pending FROST _claim(_user); uint256 shares = ILoyalty(loyaltyAddress()).getTotalShares(_user, _amount); totalShares = totalShares.sub(shares); user.shares = user.shares.sub(shares); totalStaked = totalStaked.sub(_amount); user.staked = user.staked.sub(_amount); user.rewardDebt = user.shares.mul(accFrostPerShare).div(1e12); // update reward debt after balance change IERC20(frostPoolAddress()).safeTransfer(_user, remainingUserAmount); emit Withdraw(_user, remainingUserAmount); } function payoutNumber() public override view returns (uint256) { if (block.timestamp < startTime) { return 0; } return (block.timestamp - startTime).div(getDistributionPayoutInterval()); } function timeUntilNextPayout() external override view returns (uint256) { if (epochFrostReward == 0) { return 0; } else { uint256 payout = payoutNumber(); uint256 nextPayout = startTime.add((payout + 1).mul(getDistributionPayoutInterval())); return nextPayout - block.timestamp; } } function rewardAtPayout(uint256 _payoutNumber) public override view returns (uint256) { if (_payoutNumber == 0) { return 0; } else { return epochFrostRewardPerDay * _payoutNumber; } } function getTotalDistributionPayouts() public virtual pure returns (uint256) { return TOTAL_PAYOUTS; } function getDistributionPayoutInterval() public virtual pure returns (uint256) { return PAYOUT_INTERVAL; } function updatePool() external HasPatrol("ADMIN") { _updatePool(); } // Sets the unstaking fee. Can't be higher than 50%. // _convertToFrostAmount is the % of the LP tokens from the unstaking fee that will be converted to FROST and distributed to stakers. // unstakingFee - unstakingFeeConvertToFrostAmount = The % of the LP tokens from the unstaking fee that will be permanently locked in the FROST contract function setUnstakingFee(uint256 _unstakingFee, uint256 _buybackAmount) external //override HasPatrol("ADMIN") { require(_unstakingFee <= 500, "over 50%"); require(_buybackAmount <= 1000, "bad amount"); unstakingFee = _unstakingFee; buybackAmount = _buybackAmount; } // Function to recover ERC20 tokens accidentally sent to the contract. // FROST and FROST-ETH LP tokens (the only 2 ERC2O's that should be in this contract) can't be withdrawn this way. function recoverERC20(address _tokenAddress) external //override HasPatrol("ADMIN") { require(_tokenAddress != frostAddress() && _tokenAddress != frostPoolAddress()); IERC20 token = IERC20(_tokenAddress); uint256 tokenBalance = token.balanceOf(address(this)); token.safeTransfer(msg.sender, tokenBalance); } function getAvalancheStats(address _user) external view returns (bool _active, bool _accumulating, uint256[20] memory _stats) { _active = active; _accumulating = IFROST(frostAddress()).accumulating(); UserInfo storage user = userInfo[_user]; _stats[0] = weight * IFROST(frostAddress()).currentBaseRate(); _stats[1] = lastReward; _stats[2] = totalStaked; _stats[3] = totalShares; _stats[4] = accFrostPerShare; _stats[5] = _getTokenPrice(frostAddress(), frostPoolAddress()); _stats[6] = _getLpTokenPrice(frostPoolAddress()); _stats[7] = nextEpochFrostReward; _stats[8] = epochFrostReward; _stats[9] = epochFrostRewardPerDay; _stats[10] = startTime; _stats[11] = lastPayout; _stats[12] = payoutNumber(); _stats[13] = unstakingFee; _stats[14] = IERC20(frostPoolAddress()).balanceOf(_user); _stats[15] = IERC20(frostPoolAddress()).allowance(_user, address(this)); _stats[16] = user.staked; _stats[17] = user.shares; _stats[18] = user.shares.mul(accFrostPerShare).div(1e12).sub(user.rewardDebt); // pending rewards _stats[19] = user.claimed; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "./EnumerableSet.sol"; import "./Address.sol"; import "./Context.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ``` * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ``` * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. */ abstract contract AccessControl is Context { using EnumerableSet for EnumerableSet.AddressSet; using Address for address; struct RoleData { EnumerableSet.AddressSet members; bytes32 adminRole; } mapping (bytes32 => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. * * _Available since v3.1._ */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view returns (bool) { return _roles[role].members.contains(account); } /** * @dev Returns the number of accounts that have `role`. Can be used * together with {getRoleMember} to enumerate all bearers of a role. */ function getRoleMemberCount(bytes32 role) public view returns (uint256) { return _roles[role].members.length(); } /** * @dev Returns one of the accounts that have `role`. `index` must be a * value between 0 and {getRoleMemberCount}, non-inclusive. * * Role bearers are not sorted in any particular way, and their ordering may * change at any point. * * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure * you perform all queries on the same block. See the following * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post] * for more information. */ function getRoleMember(bytes32 role, uint256 index) public view returns (address) { return _roles[role].members.at(index); } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) public virtual { require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to grant"); _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) public virtual { require(hasRole(_roles[role].adminRole, _msgSender()), "AccessControl: sender must be an admin to revoke"); _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `account`. */ function renounceRole(bytes32 role, address account) public virtual { require(account == _msgSender(), "AccessControl: can only renounce roles for self"); _revokeRole(role, account); } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. Note that unlike {grantRole}, this function doesn't perform any * checks on the calling account. * * [WARNING] * ==== * This function should only be called from the constructor when setting * up the initial roles for the system. * * Using this function in any other way is effectively circumventing the admin * system imposed by {AccessControl}. * ==== */ function _setupRole(bytes32 role, address account) internal virtual { _grantRole(role, account); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { emit RoleAdminChanged(role, _roles[role].adminRole, adminRole); _roles[role].adminRole = adminRole; } function _grantRole(bytes32 role, address account) private { if (_roles[role].members.add(account)) { emit RoleGranted(role, account, _msgSender()); } } function _revokeRole(bytes32 role, address account) private { if (_roles[role].members.remove(account)) { emit RoleRevoked(role, account, _msgSender()); } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.2 <0.8.0; /** * @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); } 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; import { IAddressRegistry } from "./IAddressRegistry.sol"; import { UtilitiesBase } from "./UtilitiesBase.sol"; abstract contract AddressBase is UtilitiesBase { address internal _addressRegistry; function _setAddressRegistry(address _address) internal { _addressRegistry = _address; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { Ownable } from "./Ownable.sol"; import { IAddressRegistry } from "./IAddressRegistry.sol"; import { AddressStorage } from "./AddressStorage.sol"; contract AddressRegistry is IAddressRegistry, Ownable, AddressStorage { event AvalancheUpdated(address indexed newAddress); event LGEUpdated(address indexed newAddress); event LodgeUpdated(address indexed newAddress); event LoyaltyUpdated(address indexed newAddress); event FrostUpdated(address indexed newAddress); event FrostPoolUpdated(address indexed newAddress); event SlopesUpdated(address indexed newAddress); event SnowPatrolUpdated(address indexed newAddress); event TreasuryUpdated(address indexed newAddress); event UniswapRouterUpdated(address indexed newAddress); event VaultUpdated(address indexed newAddress); event WethUpdated(address indexed newAddress); bytes32 private constant AVALANCHE_KEY = "AVALANCHE"; bytes32 private constant LGE_KEY = "LGE"; bytes32 private constant LODGE_KEY = "LODGE"; bytes32 private constant LOYALTY_KEY = "LOYALTY"; bytes32 private constant FROST_KEY = "FROST"; bytes32 private constant FROST_POOL_KEY = "FROST_POOL"; bytes32 private constant SLOPES_KEY = "SLOPES"; bytes32 private constant SNOW_PATROL_KEY = "SNOW_PATROL"; bytes32 private constant TREASURY_KEY = "TREASURY"; bytes32 private constant UNISWAP_ROUTER_KEY = "UNISWAP_ROUTER"; bytes32 private constant WETH_KEY = "WETH"; bytes32 private constant VAULT_KEY = "VAULT"; function getAvalanche() public override view returns (address) { return getAddress(AVALANCHE_KEY); } function setAvalanche(address _address) public override onlyOwner { _setAddress(AVALANCHE_KEY, _address); emit AvalancheUpdated(_address); } function getLGE() public override view returns (address) { return getAddress(LGE_KEY); } function setLGE(address _address) public override onlyOwner { _setAddress(LGE_KEY, _address); emit LGEUpdated(_address); } function getLodge() public override view returns (address) { return getAddress(LODGE_KEY); } function setLodge(address _address) public override onlyOwner { _setAddress(LODGE_KEY, _address); emit LodgeUpdated(_address); } function getLoyalty() public override view returns (address) { return getAddress(LOYALTY_KEY); } function setLoyalty(address _address) public override onlyOwner { _setAddress(LOYALTY_KEY, _address); emit LoyaltyUpdated(_address); } function getFrost() public override view returns (address) { return getAddress(FROST_KEY); } function setFrost(address _address) public override onlyOwner { _setAddress(FROST_KEY, _address); emit FrostUpdated(_address); } function getFrostPool() public override view returns (address) { return getAddress(FROST_POOL_KEY); } function setFrostPool(address _address) public override onlyOwner { _setAddress(FROST_POOL_KEY, _address); emit FrostPoolUpdated(_address); } function getSlopes() public override view returns (address) { return getAddress(SLOPES_KEY); } function setSlopes(address _address) public override onlyOwner { _setAddress(SLOPES_KEY, _address); emit SlopesUpdated(_address); } function getSnowPatrol() public override view returns (address) { return getAddress(SNOW_PATROL_KEY); } function setSnowPatrol(address _address) public override onlyOwner { _setAddress(SNOW_PATROL_KEY, _address); emit SnowPatrolUpdated(_address); } function getTreasury() public override view returns (address payable) { address payable _address = address(uint160(getAddress(TREASURY_KEY))); return _address; } function setTreasury(address _address) public override onlyOwner { _setAddress(TREASURY_KEY, _address); emit TreasuryUpdated(_address); } function getUniswapRouter() public override view returns (address) { return getAddress(UNISWAP_ROUTER_KEY); } function setUniswapRouter(address _address) public override onlyOwner { _setAddress(UNISWAP_ROUTER_KEY, _address); emit UniswapRouterUpdated(_address); } function getVault() public override view returns (address) { return getAddress(VAULT_KEY); } function setVault(address _address) public override onlyOwner { _setAddress(VAULT_KEY, _address); emit VaultUpdated(_address); } function getWeth() public override view returns (address) { return getAddress(WETH_KEY); } function setWeth(address _address) public override onlyOwner { _setAddress(WETH_KEY, _address); emit WethUpdated(_address); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; contract AddressStorage { mapping(bytes32 => address) private addresses; function getAddress(bytes32 _key) public view returns (address) { return addresses[_key]; } function _setAddress(bytes32 _key, address _value) internal { addresses[_key] = _value; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IAddressRegistry } from "./IAddressRegistry.sol"; import { ISnowPatrol } from "./ISnowPatrol.sol"; import { AddressBase } from "./AddressBase.sol"; abstract contract AltitudeBase is AddressBase { modifier OnlyLGE { require( _msgSender() == lgeAddress(), "Only the LGE contract can call this function" ); _; } modifier OnlyLoyalty { require( _msgSender() == loyaltyAddress(), "Only the Loyalty contract can call this function" ); _; } modifier OnlyFROST { require( _msgSender() == frostAddress(), "Only FROST Contract can call this function" ); _; } modifier OnlySlopes { require( _msgSender() == slopesAddress(), "Only the Slopes contract can call this function" ); _; } function avalancheAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getAvalanche(); } function lgeAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getLGE(); } function lodgeAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getLodge(); } function loyaltyAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getLoyalty(); } function frostAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getFrost(); } function frostPoolAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getFrostPool(); } function slopesAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getSlopes(); } function snowPatrolAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getSnowPatrol(); } function treasuryAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getTreasury(); } function uniswapRouterAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getUniswapRouter(); } function vaultAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getVault(); } function wethAddress() internal view returns (address) { return IAddressRegistry(_addressRegistry).getWeth(); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { LiquidityPoolBase } from "./LiquidityPoolBase.sol"; import { IERC20 } from './IERC20.sol'; import { SafeERC20 } from './SafeERC20.sol'; import { SafeMath } from './SafeMath.sol'; abstract contract AvalancheBase is LiquidityPoolBase { using SafeMath for uint256; using SafeERC20 for IERC20; constructor(address addressRegistry) internal { _setAddressRegistry(addressRegistry); } }
// SPDX-License-Identifier: MIT pragma solidity >= 0.4.22 <0.8.0; library console { address constant CONSOLE_ADDRESS = address(0x000000000000000000636F6e736F6c652e6c6f67); function _sendLogPayload(bytes memory payload) private view { uint256 payloadLength = payload.length; address consoleAddress = CONSOLE_ADDRESS; assembly { let payloadStart := add(payload, 32) let r := staticcall(gas(), consoleAddress, payloadStart, payloadLength, 0, 0) } } function log() internal view { _sendLogPayload(abi.encodeWithSignature("log()")); } function logInt(int p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(int)", p0)); } function logUint(uint p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint)", p0)); } function logString(string memory p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(string)", p0)); } function logBool(bool p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool)", p0)); } function logAddress(address p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(address)", p0)); } function logBytes(bytes memory p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes)", p0)); } function logByte(byte p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(byte)", p0)); } function logBytes1(bytes1 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes1)", p0)); } function logBytes2(bytes2 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes2)", p0)); } function logBytes3(bytes3 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes3)", p0)); } function logBytes4(bytes4 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes4)", p0)); } function logBytes5(bytes5 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes5)", p0)); } function logBytes6(bytes6 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes6)", p0)); } function logBytes7(bytes7 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes7)", p0)); } function logBytes8(bytes8 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes8)", p0)); } function logBytes9(bytes9 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes9)", p0)); } function logBytes10(bytes10 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes10)", p0)); } function logBytes11(bytes11 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes11)", p0)); } function logBytes12(bytes12 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes12)", p0)); } function logBytes13(bytes13 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes13)", p0)); } function logBytes14(bytes14 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes14)", p0)); } function logBytes15(bytes15 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes15)", p0)); } function logBytes16(bytes16 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes16)", p0)); } function logBytes17(bytes17 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes17)", p0)); } function logBytes18(bytes18 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes18)", p0)); } function logBytes19(bytes19 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes19)", p0)); } function logBytes20(bytes20 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes20)", p0)); } function logBytes21(bytes21 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes21)", p0)); } function logBytes22(bytes22 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes22)", p0)); } function logBytes23(bytes23 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes23)", p0)); } function logBytes24(bytes24 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes24)", p0)); } function logBytes25(bytes25 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes25)", p0)); } function logBytes26(bytes26 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes26)", p0)); } function logBytes27(bytes27 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes27)", p0)); } function logBytes28(bytes28 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes28)", p0)); } function logBytes29(bytes29 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes29)", p0)); } function logBytes30(bytes30 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes30)", p0)); } function logBytes31(bytes31 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes31)", p0)); } function logBytes32(bytes32 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes32)", p0)); } function log(uint p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint)", p0)); } function log(string memory p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(string)", p0)); } function log(bool p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool)", p0)); } function log(address p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(address)", p0)); } function log(uint p0, uint p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint)", p0, p1)); } function log(uint p0, string memory p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string)", p0, p1)); } function log(uint p0, bool p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool)", p0, p1)); } function log(uint p0, address p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address)", p0, p1)); } function log(string memory p0, uint p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint)", p0, p1)); } function log(string memory p0, string memory p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string)", p0, p1)); } function log(string memory p0, bool p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool)", p0, p1)); } function log(string memory p0, address p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address)", p0, p1)); } function log(bool p0, uint p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint)", p0, p1)); } function log(bool p0, string memory p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string)", p0, p1)); } function log(bool p0, bool p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool)", p0, p1)); } function log(bool p0, address p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address)", p0, p1)); } function log(address p0, uint p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint)", p0, p1)); } function log(address p0, string memory p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string)", p0, p1)); } function log(address p0, bool p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool)", p0, p1)); } function log(address p0, address p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address)", p0, p1)); } function log(uint p0, uint p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint)", p0, p1, p2)); } function log(uint p0, uint p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string)", p0, p1, p2)); } function log(uint p0, uint p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool)", p0, p1, p2)); } function log(uint p0, uint p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address)", p0, p1, p2)); } function log(uint p0, string memory p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint)", p0, p1, p2)); } function log(uint p0, string memory p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string)", p0, p1, p2)); } function log(uint p0, string memory p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool)", p0, p1, p2)); } function log(uint p0, string memory p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address)", p0, p1, p2)); } function log(uint p0, bool p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint)", p0, p1, p2)); } function log(uint p0, bool p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string)", p0, p1, p2)); } function log(uint p0, bool p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool)", p0, p1, p2)); } function log(uint p0, bool p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address)", p0, p1, p2)); } function log(uint p0, address p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint)", p0, p1, p2)); } function log(uint p0, address p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string)", p0, p1, p2)); } function log(uint p0, address p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool)", p0, p1, p2)); } function log(uint p0, address p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address)", p0, p1, p2)); } function log(string memory p0, uint p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint)", p0, p1, p2)); } function log(string memory p0, uint p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string)", p0, p1, p2)); } function log(string memory p0, uint p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool)", p0, p1, p2)); } function log(string memory p0, uint p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address)", p0, p1, p2)); } function log(string memory p0, string memory p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint)", p0, p1, p2)); } function log(string memory p0, string memory p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string)", p0, p1, p2)); } function log(string memory p0, string memory p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool)", p0, p1, p2)); } function log(string memory p0, string memory p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address)", p0, p1, p2)); } function log(string memory p0, bool p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint)", p0, p1, p2)); } function log(string memory p0, bool p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string)", p0, p1, p2)); } function log(string memory p0, bool p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool)", p0, p1, p2)); } function log(string memory p0, bool p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address)", p0, p1, p2)); } function log(string memory p0, address p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint)", p0, p1, p2)); } function log(string memory p0, address p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string)", p0, p1, p2)); } function log(string memory p0, address p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool)", p0, p1, p2)); } function log(string memory p0, address p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address)", p0, p1, p2)); } function log(bool p0, uint p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint)", p0, p1, p2)); } function log(bool p0, uint p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string)", p0, p1, p2)); } function log(bool p0, uint p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool)", p0, p1, p2)); } function log(bool p0, uint p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address)", p0, p1, p2)); } function log(bool p0, string memory p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint)", p0, p1, p2)); } function log(bool p0, string memory p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string)", p0, p1, p2)); } function log(bool p0, string memory p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool)", p0, p1, p2)); } function log(bool p0, string memory p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address)", p0, p1, p2)); } function log(bool p0, bool p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint)", p0, p1, p2)); } function log(bool p0, bool p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string)", p0, p1, p2)); } function log(bool p0, bool p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool)", p0, p1, p2)); } function log(bool p0, bool p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address)", p0, p1, p2)); } function log(bool p0, address p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint)", p0, p1, p2)); } function log(bool p0, address p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string)", p0, p1, p2)); } function log(bool p0, address p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool)", p0, p1, p2)); } function log(bool p0, address p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address)", p0, p1, p2)); } function log(address p0, uint p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint)", p0, p1, p2)); } function log(address p0, uint p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string)", p0, p1, p2)); } function log(address p0, uint p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool)", p0, p1, p2)); } function log(address p0, uint p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address)", p0, p1, p2)); } function log(address p0, string memory p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint)", p0, p1, p2)); } function log(address p0, string memory p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string)", p0, p1, p2)); } function log(address p0, string memory p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool)", p0, p1, p2)); } function log(address p0, string memory p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address)", p0, p1, p2)); } function log(address p0, bool p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint)", p0, p1, p2)); } function log(address p0, bool p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string)", p0, p1, p2)); } function log(address p0, bool p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool)", p0, p1, p2)); } function log(address p0, bool p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address)", p0, p1, p2)); } function log(address p0, address p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint)", p0, p1, p2)); } function log(address p0, address p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string)", p0, p1, p2)); } function log(address p0, address p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool)", p0, p1, p2)); } function log(address p0, address p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address)", p0, p1, p2)); } function log(uint p0, uint p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,uint)", p0, p1, p2, p3)); } function log(uint p0, uint p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,string)", p0, p1, p2, p3)); } function log(uint p0, uint p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,bool)", p0, p1, p2, p3)); } function log(uint p0, uint p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,address)", p0, p1, p2, p3)); } function log(uint p0, uint p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,uint)", p0, p1, p2, p3)); } function log(uint p0, uint p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,string)", p0, p1, p2, p3)); } function log(uint p0, uint p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,bool)", p0, p1, p2, p3)); } function log(uint p0, uint p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,address)", p0, p1, p2, p3)); } function log(uint p0, uint p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,uint)", p0, p1, p2, p3)); } function log(uint p0, uint p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,string)", p0, p1, p2, p3)); } function log(uint p0, uint p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,bool)", p0, p1, p2, p3)); } function log(uint p0, uint p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,address)", p0, p1, p2, p3)); } function log(uint p0, uint p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,uint)", p0, p1, p2, p3)); } function log(uint p0, uint p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,string)", p0, p1, p2, p3)); } function log(uint p0, uint p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,bool)", p0, p1, p2, p3)); } function log(uint p0, uint p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,address)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,uint)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,string)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,bool)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,address)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string,uint)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string,string)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string,bool)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string,address)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,uint)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,string)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,bool)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,address)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address,uint)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address,string)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address,bool)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address,address)", p0, p1, p2, p3)); } function log(uint p0, bool p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,uint)", p0, p1, p2, p3)); } function log(uint p0, bool p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,string)", p0, p1, p2, p3)); } function log(uint p0, bool p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,bool)", p0, p1, p2, p3)); } function log(uint p0, bool p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,address)", p0, p1, p2, p3)); } function log(uint p0, bool p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,uint)", p0, p1, p2, p3)); } function log(uint p0, bool p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,string)", p0, p1, p2, p3)); } function log(uint p0, bool p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,bool)", p0, p1, p2, p3)); } function log(uint p0, bool p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,address)", p0, p1, p2, p3)); } function log(uint p0, bool p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,uint)", p0, p1, p2, p3)); } function log(uint p0, bool p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,string)", p0, p1, p2, p3)); } function log(uint p0, bool p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,bool)", p0, p1, p2, p3)); } function log(uint p0, bool p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,address)", p0, p1, p2, p3)); } function log(uint p0, bool p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,uint)", p0, p1, p2, p3)); } function log(uint p0, bool p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,string)", p0, p1, p2, p3)); } function log(uint p0, bool p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,bool)", p0, p1, p2, p3)); } function log(uint p0, bool p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,address)", p0, p1, p2, p3)); } function log(uint p0, address p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,uint)", p0, p1, p2, p3)); } function log(uint p0, address p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,string)", p0, p1, p2, p3)); } function log(uint p0, address p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,bool)", p0, p1, p2, p3)); } function log(uint p0, address p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,address)", p0, p1, p2, p3)); } function log(uint p0, address p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string,uint)", p0, p1, p2, p3)); } function log(uint p0, address p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string,string)", p0, p1, p2, p3)); } function log(uint p0, address p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string,bool)", p0, p1, p2, p3)); } function log(uint p0, address p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string,address)", p0, p1, p2, p3)); } function log(uint p0, address p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,uint)", p0, p1, p2, p3)); } function log(uint p0, address p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,string)", p0, p1, p2, p3)); } function log(uint p0, address p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,bool)", p0, p1, p2, p3)); } function log(uint p0, address p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,address)", p0, p1, p2, p3)); } function log(uint p0, address p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address,uint)", p0, p1, p2, p3)); } function log(uint p0, address p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address,string)", p0, p1, p2, p3)); } function log(uint p0, address p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address,bool)", p0, p1, p2, p3)); } function log(uint p0, address p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address,address)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,uint)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,string)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,bool)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,address)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string,uint)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string,string)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string,bool)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string,address)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,uint)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,string)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,bool)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,address)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address,uint)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address,string)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address,bool)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address,address)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint,uint)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint,string)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint,bool)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint,address)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string,uint)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string,string)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string,bool)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string,address)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool,uint)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool,string)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool,bool)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool,address)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address,uint)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address,string)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address,bool)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address,address)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,uint)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,string)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,bool)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,address)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string,uint)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string,string)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string,bool)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string,address)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,uint)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,string)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,bool)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,address)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address,uint)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address,string)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address,bool)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address,address)", p0, p1, p2, p3)); } function log(string memory p0, address p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint,uint)", p0, p1, p2, p3)); } function log(string memory p0, address p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint,string)", p0, p1, p2, p3)); } function log(string memory p0, address p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint,bool)", p0, p1, p2, p3)); } function log(string memory p0, address p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint,address)", p0, p1, p2, p3)); } function log(string memory p0, address p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string,uint)", p0, p1, p2, p3)); } function log(string memory p0, address p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string,string)", p0, p1, p2, p3)); } function log(string memory p0, address p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string,bool)", p0, p1, p2, p3)); } function log(string memory p0, address p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string,address)", p0, p1, p2, p3)); } function log(string memory p0, address p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool,uint)", p0, p1, p2, p3)); } function log(string memory p0, address p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool,string)", p0, p1, p2, p3)); } function log(string memory p0, address p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool,bool)", p0, p1, p2, p3)); } function log(string memory p0, address p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool,address)", p0, p1, p2, p3)); } function log(string memory p0, address p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address,uint)", p0, p1, p2, p3)); } function log(string memory p0, address p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address,string)", p0, p1, p2, p3)); } function log(string memory p0, address p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address,bool)", p0, p1, p2, p3)); } function log(string memory p0, address p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address,address)", p0, p1, p2, p3)); } function log(bool p0, uint p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,uint)", p0, p1, p2, p3)); } function log(bool p0, uint p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,string)", p0, p1, p2, p3)); } function log(bool p0, uint p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,bool)", p0, p1, p2, p3)); } function log(bool p0, uint p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,address)", p0, p1, p2, p3)); } function log(bool p0, uint p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,uint)", p0, p1, p2, p3)); } function log(bool p0, uint p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,string)", p0, p1, p2, p3)); } function log(bool p0, uint p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,bool)", p0, p1, p2, p3)); } function log(bool p0, uint p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,address)", p0, p1, p2, p3)); } function log(bool p0, uint p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,uint)", p0, p1, p2, p3)); } function log(bool p0, uint p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,string)", p0, p1, p2, p3)); } function log(bool p0, uint p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,bool)", p0, p1, p2, p3)); } function log(bool p0, uint p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,address)", p0, p1, p2, p3)); } function log(bool p0, uint p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,uint)", p0, p1, p2, p3)); } function log(bool p0, uint p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,string)", p0, p1, p2, p3)); } function log(bool p0, uint p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,bool)", p0, p1, p2, p3)); } function log(bool p0, uint p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,address)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,uint)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,string)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,bool)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,address)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string,uint)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string,string)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string,bool)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string,address)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,uint)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,string)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,bool)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,address)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address,uint)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address,string)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address,bool)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address,address)", p0, p1, p2, p3)); } function log(bool p0, bool p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,uint)", p0, p1, p2, p3)); } function log(bool p0, bool p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,string)", p0, p1, p2, p3)); } function log(bool p0, bool p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,bool)", p0, p1, p2, p3)); } function log(bool p0, bool p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,address)", p0, p1, p2, p3)); } function log(bool p0, bool p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,uint)", p0, p1, p2, p3)); } function log(bool p0, bool p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,string)", p0, p1, p2, p3)); } function log(bool p0, bool p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,bool)", p0, p1, p2, p3)); } function log(bool p0, bool p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,address)", p0, p1, p2, p3)); } function log(bool p0, bool p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,uint)", p0, p1, p2, p3)); } function log(bool p0, bool p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,string)", p0, p1, p2, p3)); } function log(bool p0, bool p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,bool)", p0, p1, p2, p3)); } function log(bool p0, bool p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,address)", p0, p1, p2, p3)); } function log(bool p0, bool p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,uint)", p0, p1, p2, p3)); } function log(bool p0, bool p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,string)", p0, p1, p2, p3)); } function log(bool p0, bool p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,bool)", p0, p1, p2, p3)); } function log(bool p0, bool p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,address)", p0, p1, p2, p3)); } function log(bool p0, address p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,uint)", p0, p1, p2, p3)); } function log(bool p0, address p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,string)", p0, p1, p2, p3)); } function log(bool p0, address p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,bool)", p0, p1, p2, p3)); } function log(bool p0, address p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,address)", p0, p1, p2, p3)); } function log(bool p0, address p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string,uint)", p0, p1, p2, p3)); } function log(bool p0, address p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string,string)", p0, p1, p2, p3)); } function log(bool p0, address p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string,bool)", p0, p1, p2, p3)); } function log(bool p0, address p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string,address)", p0, p1, p2, p3)); } function log(bool p0, address p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,uint)", p0, p1, p2, p3)); } function log(bool p0, address p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,string)", p0, p1, p2, p3)); } function log(bool p0, address p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,bool)", p0, p1, p2, p3)); } function log(bool p0, address p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,address)", p0, p1, p2, p3)); } function log(bool p0, address p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address,uint)", p0, p1, p2, p3)); } function log(bool p0, address p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address,string)", p0, p1, p2, p3)); } function log(bool p0, address p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address,bool)", p0, p1, p2, p3)); } function log(bool p0, address p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address,address)", p0, p1, p2, p3)); } function log(address p0, uint p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,uint)", p0, p1, p2, p3)); } function log(address p0, uint p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,string)", p0, p1, p2, p3)); } function log(address p0, uint p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,bool)", p0, p1, p2, p3)); } function log(address p0, uint p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,address)", p0, p1, p2, p3)); } function log(address p0, uint p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string,uint)", p0, p1, p2, p3)); } function log(address p0, uint p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string,string)", p0, p1, p2, p3)); } function log(address p0, uint p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string,bool)", p0, p1, p2, p3)); } function log(address p0, uint p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string,address)", p0, p1, p2, p3)); } function log(address p0, uint p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,uint)", p0, p1, p2, p3)); } function log(address p0, uint p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,string)", p0, p1, p2, p3)); } function log(address p0, uint p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,bool)", p0, p1, p2, p3)); } function log(address p0, uint p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,address)", p0, p1, p2, p3)); } function log(address p0, uint p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address,uint)", p0, p1, p2, p3)); } function log(address p0, uint p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address,string)", p0, p1, p2, p3)); } function log(address p0, uint p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address,bool)", p0, p1, p2, p3)); } function log(address p0, uint p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address,address)", p0, p1, p2, p3)); } function log(address p0, string memory p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint,uint)", p0, p1, p2, p3)); } function log(address p0, string memory p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint,string)", p0, p1, p2, p3)); } function log(address p0, string memory p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint,bool)", p0, p1, p2, p3)); } function log(address p0, string memory p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint,address)", p0, p1, p2, p3)); } function log(address p0, string memory p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string,uint)", p0, p1, p2, p3)); } function log(address p0, string memory p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string,string)", p0, p1, p2, p3)); } function log(address p0, string memory p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string,bool)", p0, p1, p2, p3)); } function log(address p0, string memory p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string,address)", p0, p1, p2, p3)); } function log(address p0, string memory p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool,uint)", p0, p1, p2, p3)); } function log(address p0, string memory p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool,string)", p0, p1, p2, p3)); } function log(address p0, string memory p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool,bool)", p0, p1, p2, p3)); } function log(address p0, string memory p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool,address)", p0, p1, p2, p3)); } function log(address p0, string memory p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address,uint)", p0, p1, p2, p3)); } function log(address p0, string memory p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address,string)", p0, p1, p2, p3)); } function log(address p0, string memory p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address,bool)", p0, p1, p2, p3)); } function log(address p0, string memory p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address,address)", p0, p1, p2, p3)); } function log(address p0, bool p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,uint)", p0, p1, p2, p3)); } function log(address p0, bool p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,string)", p0, p1, p2, p3)); } function log(address p0, bool p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,bool)", p0, p1, p2, p3)); } function log(address p0, bool p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,address)", p0, p1, p2, p3)); } function log(address p0, bool p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string,uint)", p0, p1, p2, p3)); } function log(address p0, bool p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string,string)", p0, p1, p2, p3)); } function log(address p0, bool p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string,bool)", p0, p1, p2, p3)); } function log(address p0, bool p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string,address)", p0, p1, p2, p3)); } function log(address p0, bool p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,uint)", p0, p1, p2, p3)); } function log(address p0, bool p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,string)", p0, p1, p2, p3)); } function log(address p0, bool p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,bool)", p0, p1, p2, p3)); } function log(address p0, bool p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,address)", p0, p1, p2, p3)); } function log(address p0, bool p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address,uint)", p0, p1, p2, p3)); } function log(address p0, bool p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address,string)", p0, p1, p2, p3)); } function log(address p0, bool p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address,bool)", p0, p1, p2, p3)); } function log(address p0, bool p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address,address)", p0, p1, p2, p3)); } function log(address p0, address p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint,uint)", p0, p1, p2, p3)); } function log(address p0, address p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint,string)", p0, p1, p2, p3)); } function log(address p0, address p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint,bool)", p0, p1, p2, p3)); } function log(address p0, address p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint,address)", p0, p1, p2, p3)); } function log(address p0, address p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string,uint)", p0, p1, p2, p3)); } function log(address p0, address p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string,string)", p0, p1, p2, p3)); } function log(address p0, address p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string,bool)", p0, p1, p2, p3)); } function log(address p0, address p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string,address)", p0, p1, p2, p3)); } function log(address p0, address p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool,uint)", p0, p1, p2, p3)); } function log(address p0, address p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool,string)", p0, p1, p2, p3)); } function log(address p0, address p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool,bool)", p0, p1, p2, p3)); } function log(address p0, address p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool,address)", p0, p1, p2, p3)); } function log(address p0, address p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address,uint)", p0, p1, p2, p3)); } function log(address p0, address p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address,string)", p0, p1, p2, p3)); } function log(address p0, address p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address,bool)", p0, p1, p2, p3)); } function log(address p0, address p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address,address)", p0, p1, p2, p3)); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping (bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { require(set._values.length > index, "EnumerableSet: index out of bounds"); return set._values[index]; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(value))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(value))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(value))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint256(_at(set._inner, index))); } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "./IERC1155.sol"; import "./IERC1155MetadataURI.sol"; import "./IERC1155Receiver.sol"; import "./Context.sol"; import "./ERC165.sol"; import "./SafeMath.sol"; import "./Address.sol"; /** * * @dev Implementation of the basic standard multi-token. * See https://eips.ethereum.org/EIPS/eip-1155 * Originally based on code by Enjin: https://github.com/enjin/erc-1155 * * _Available since v3.1._ */ contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI { using SafeMath for uint256; using Address for address; // Mapping from token ID to account balances mapping (uint256 => mapping(address => uint256)) private _balances; // Mapping from account to operator approvals mapping (address => mapping(address => bool)) private _operatorApprovals; // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json string private _uri; /* * bytes4(keccak256('balanceOf(address,uint256)')) == 0x00fdd58e * bytes4(keccak256('balanceOfBatch(address[],uint256[])')) == 0x4e1273f4 * bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465 * bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c5 * bytes4(keccak256('safeTransferFrom(address,address,uint256,uint256,bytes)')) == 0xf242432a * bytes4(keccak256('safeBatchTransferFrom(address,address,uint256[],uint256[],bytes)')) == 0x2eb2c2d6 * * => 0x00fdd58e ^ 0x4e1273f4 ^ 0xa22cb465 ^ * 0xe985e9c5 ^ 0xf242432a ^ 0x2eb2c2d6 == 0xd9b67a26 */ bytes4 private constant _INTERFACE_ID_ERC1155 = 0xd9b67a26; /* * bytes4(keccak256('uri(uint256)')) == 0x0e89341c */ bytes4 private constant _INTERFACE_ID_ERC1155_METADATA_URI = 0x0e89341c; /** * @dev See {_setURI}. */ constructor (string memory uri_) public { _setURI(uri_); // register the supported interfaces to conform to ERC1155 via ERC165 _registerInterface(_INTERFACE_ID_ERC1155); // register the supported interfaces to conform to ERC1155MetadataURI via ERC165 _registerInterface(_INTERFACE_ID_ERC1155_METADATA_URI); } /** * @dev See {IERC1155MetadataURI-uri}. * * This implementation returns the same URI for *all* token types. It relies * on the token type ID substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * Clients calling this function must replace the `\{id\}` substring with the * actual token type ID. */ function uri(uint256) external view override returns (string memory) { return _uri; } /** * @dev See {IERC1155-balanceOf}. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) public view override returns (uint256) { require(account != address(0), "ERC1155: balance query for the zero address"); return _balances[id][account]; } /** * @dev See {IERC1155-balanceOfBatch}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch( address[] memory accounts, uint256[] memory ids ) public view override returns (uint256[] memory) { require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch"); uint256[] memory batchBalances = new uint256[](accounts.length); for (uint256 i = 0; i < accounts.length; ++i) { require(accounts[i] != address(0), "ERC1155: batch balance query for the zero address"); batchBalances[i] = _balances[ids[i]][accounts[i]]; } return batchBalances; } /** * @dev See {IERC1155-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { require(_msgSender() != operator, "ERC1155: setting approval status for self"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC1155-isApprovedForAll}. */ function isApprovedForAll(address account, address operator) public view override returns (bool) { return _operatorApprovals[account][operator]; } /** * @dev See {IERC1155-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public virtual override { require(to != address(0), "ERC1155: transfer to the zero address"); require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: caller is not owner nor approved" ); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data); _balances[id][from] = _balances[id][from].sub(amount, "ERC1155: insufficient balance for transfer"); _balances[id][to] = _balances[id][to].add(amount); emit TransferSingle(operator, from, to, id, amount); _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data); } /** * @dev See {IERC1155-safeBatchTransferFrom}. */ function safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) public virtual override { require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); require(to != address(0), "ERC1155: transfer to the zero address"); require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: transfer caller is not owner nor approved" ); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, ids, amounts, data); for (uint256 i = 0; i < ids.length; ++i) { uint256 id = ids[i]; uint256 amount = amounts[i]; _balances[id][from] = _balances[id][from].sub( amount, "ERC1155: insufficient balance for transfer" ); _balances[id][to] = _balances[id][to].add(amount); } emit TransferBatch(operator, from, to, ids, amounts); _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data); } /** * @dev Sets a new URI for all token types, by relying on the token type ID * substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * By this mechanism, any occurrence of the `\{id\}` substring in either the * URI or any of the amounts in the JSON file at said URI will be replaced by * clients with the token type ID. * * For example, the `https://token-cdn-domain/\{id\}.json` URI would be * interpreted by clients as * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json` * for token type ID 0x4cce0. * * See {uri}. * * Because these URIs cannot be meaningfully represented by the {URI} event, * this function emits no events. */ function _setURI(string memory newuri) internal virtual { _uri = newuri; } /** * @dev Creates `amount` tokens of token type `id`, and assigns them to `account`. * * Emits a {TransferSingle} event. * * Requirements: * * - `account` cannot be the zero address. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _mint(address account, uint256 id, uint256 amount, bytes memory data) internal virtual { require(account != address(0), "ERC1155: mint to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), account, _asSingletonArray(id), _asSingletonArray(amount), data); _balances[id][account] = _balances[id][account].add(amount); emit TransferSingle(operator, address(0), account, id, amount); _doSafeTransferAcceptanceCheck(operator, address(0), account, id, amount, data); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _mintBatch(address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, ids, amounts, data); for (uint i = 0; i < ids.length; i++) { _balances[ids[i]][to] = amounts[i].add(_balances[ids[i]][to]); } emit TransferBatch(operator, address(0), to, ids, amounts); _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data); } /** * @dev Destroys `amount` tokens of token type `id` from `account` * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens of token type `id`. */ function _burn(address account, uint256 id, uint256 amount) internal virtual { require(account != address(0), "ERC1155: burn from the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, account, address(0), _asSingletonArray(id), _asSingletonArray(amount), ""); _balances[id][account] = _balances[id][account].sub( amount, "ERC1155: burn amount exceeds balance" ); emit TransferSingle(operator, account, address(0), id, amount); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}. * * Requirements: * * - `ids` and `amounts` must have the same length. */ function _burnBatch(address account, uint256[] memory ids, uint256[] memory amounts) internal virtual { require(account != address(0), "ERC1155: burn from the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, account, address(0), ids, amounts, ""); for (uint i = 0; i < ids.length; i++) { _balances[ids[i]][account] = _balances[ids[i]][account].sub( amounts[i], "ERC1155: burn amount exceeds balance" ); } emit TransferBatch(operator, account, address(0), ids, amounts); } /** * @dev Hook that is called before any token transfer. This includes minting * and burning, as well as batched variants. * * The same hook is called on both single and batched variants. For single * transfers, the length of the `id` and `amount` arrays will be 1. * * Calling conditions (for each `id` and `amount` pair): * * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens * of token type `id` will be transferred to `to`. * - When `from` is zero, `amount` tokens of token type `id` will be minted * for `to`. * - when `to` is zero, `amount` of ``from``'s tokens of token type `id` * will be burned. * - `from` and `to` are never both zero. * - `ids` and `amounts` have the same, non-zero length. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { } function _doSafeTransferAcceptanceCheck( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) { if (response != IERC1155Receiver(to).onERC1155Received.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _doSafeBatchTransferAcceptanceCheck( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (bytes4 response) { if (response != IERC1155Receiver(to).onERC1155BatchReceived.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) { uint256[] memory array = new uint256[](1); array[0] = element; return array; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts may inherit from this and call {_registerInterface} to declare * their support of an interface. */ abstract contract ERC165 is IERC165 { /* * bytes4(keccak256('supportsInterface(bytes4)')) == 0x01ffc9a7 */ bytes4 private constant _INTERFACE_ID_ERC165 = 0x01ffc9a7; /** * @dev Mapping of interface ids to whether or not it's supported. */ mapping(bytes4 => bool) private _supportedInterfaces; constructor () internal { // Derived contracts need only register support for their own interfaces, // we register support for ERC165 itself here _registerInterface(_INTERFACE_ID_ERC165); } /** * @dev See {IERC165-supportsInterface}. * * Time complexity O(1), guaranteed to always use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) public view override returns (bool) { return _supportedInterfaces[interfaceId]; } /** * @dev Registers the contract as an implementer of the interface defined by * `interfaceId`. Support of the actual ERC165 interface is automatic and * registering its interface id is not required. * * See {IERC165-supportsInterface}. * * Requirements: * * - `interfaceId` cannot be the ERC165 invalid interface (`0xffffffff`). */ function _registerInterface(bytes4 interfaceId) internal virtual { require(interfaceId != 0xffffffff, "ERC165: invalid interface id"); _supportedInterfaces[interfaceId] = true; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "./Context.sol"; import "./IERC20.sol"; import "./SafeMath.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ 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); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IUniswapV2Factory } from './IUniswapV2Factory.sol'; import { IUniswapV2Router02 } from './IUniswapV2Router02.sol'; import { IFROST } from "./IFROST.sol"; import { IAvalanche } from './IAvalanche.sol'; import { FROSTBase } from "./FROSTBase.sol"; contract FROST is IFROST, FROSTBase { event EpochUpdated(address _address, uint256 _epoch, uint256 _phase); uint256 public override constant MAX_SUPPLY = 21000 * 1e18; // max supply 21k bool public override maxSupplyHit; // has max supply been reached uint256 public override transferFee; // FROST transfer fee, 1 = 0.1%. Default 1.5% uint256 public override currentEpoch; uint256 public override currentPhase; // current phase; 0 = Accumulation ,1 = Distribution uint256[] public override epochMaxSupply; // max total supply for each epoch, running total uint256[] public override epochBaseRate; // base APR of Slope rewards // Mapping of whitelisted sender and recipient addresses that don't pay the transfer fee. // Allows FROST token holders to whitelist future contracts mapping(address => bool) public senderWhitelist; mapping(address => bool) public recipientWhitelist; modifier Accumulation { require( currentPhase == 0, "FROST is not in Accumulation" ); _; } modifier MaxSupplyNotReached { require(!maxSupplyHit, "Max FROST Supply has been reached"); _; } modifier OnlyAuthorized { require( msg.sender == avalancheAddress() || msg.sender == lgeAddress() || msg.sender == slopesAddress(), "Only LGE, Slopes, and Avalanche contracts can call this function" ); _; } constructor(address addressRegistry) public FROSTBase(addressRegistry, "Frost Protocol", "FROST") { transferFee = 15; _initializeEpochs(); } function _initializeEpochs() private { _setupEpoch(5250 * 1e18, 0); // 5.25k FROST for LGE _setupEpoch(13250 * 1e18, 800); // +8k FROST, 800% _setupEpoch(17250 * 1e18, 400); // +4k FROST, 400% _setupEpoch(19250 * 1e18, 200); // +2k FROST, 200% _setupEpoch(20250 * 1e18, 100); // +1k FROST, 100% _setupEpoch(20750 * 1e18, 50); // +500 FROST, 50% _setupEpoch(21000 * 1e18, 25); // +250 FROST, 25% } function _setupEpoch(uint256 maxSupply, uint256 baseRate) private { epochMaxSupply.push(maxSupply); epochBaseRate.push(baseRate); } function currentMaxSupply() external view override returns (uint256) { return epochMaxSupply[currentEpoch]; } function currentBaseRate() external view override returns (uint256) { return epochBaseRate[currentEpoch]; } function accumulating() external view override returns (bool) { return currentEpoch > 0 && currentEpoch <= 6 && currentPhase == 0; } function updateEpoch(uint256 _epoch, uint256 _phase) external override OnlyAuthorized { // require valid update calls if (currentPhase == 0) { require( _epoch == currentEpoch && _phase == 1, "Invalid Epoch Phase Update Call" ); } else { // change this to _epoch == currentEpoch + 1 in prod require( _epoch > currentEpoch && _phase == 0, "Invalid Epoch Update Call" ); } currentEpoch = _epoch; currentPhase = _phase; emit EpochUpdated(_msgSender(), _epoch, _phase); } // Creates `_amount` FROST token to `_to`. // Can only be called by the LGE, Slopes, and Avalanche contracts // when epoch and max supply numbers allow function mint(address _to, uint256 _amount) external override Accumulation MaxSupplyNotReached OnlyAuthorized { uint256 supply = totalSupply(); uint256 epochSupply = epochMaxSupply[currentEpoch]; // update phase if epoch max supply is hit during this mint if (supply.add(_amount) >= epochSupply) { _amount = epochSupply.sub(supply); if (supply.add(_amount) >= MAX_SUPPLY) { maxSupplyHit = true; } // activate gets called at every accumulation end to reset rewards IAvalanche(avalancheAddress()).activate(); if (currentEpoch == 0) { currentEpoch += 1; } else { currentPhase += 1; } emit EpochUpdated(_msgSender(), currentEpoch, currentPhase); } if (_amount > 0) { _mint(_to, _amount); } } // Transfer override to support transfer fees that are sent to Avalanche function _transfer( address sender, address recipient, uint256 amount ) internal override { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); uint256 transferFeeAmount; uint256 tokensToTransfer; if (amount > 0) { address avalancheAddress = avalancheAddress(); // Send a fee to the Avalanche staking contract if this isn't a whitelisted transfer if (_isWhitelistedTransfer(sender, recipient) != true) { transferFeeAmount = amount.mul(transferFee).div(1000); _balances[avalancheAddress] = _balances[avalancheAddress].add(transferFeeAmount); IAvalanche(avalancheAddress).addFrostReward(sender, transferFeeAmount); emit Transfer(sender, avalancheAddress, transferFeeAmount); } tokensToTransfer = amount.sub(transferFeeAmount); _balances[sender] = _balances[sender].sub(tokensToTransfer, "ERC20: transfer amount exceeds balance"); if (tokensToTransfer > 0) { _balances[recipient] = _balances[recipient].add(tokensToTransfer); // If the Avalanche is the transfer recipient, add rewards to keep balances updated if (recipient == avalancheAddress) { IAvalanche(avalancheAddress).addFrostReward(sender, tokensToTransfer); } } } emit Transfer(sender, recipient, tokensToTransfer); } // Admin calls this at token deployment to setup FROST-LP LGE transfers function calculateUniswapPoolAddress() external view HasPatrol("ADMIN") returns (address) { address uniswapRouter = uniswapRouterAddress(); address wethAddress = wethAddress(); // Calculate the address the FROST-ETH Uniswap pool will exist at address factoryAddress = IUniswapV2Router02(uniswapRouter).factory(); // return IUniswapV2Factory(factoryAddress).createPair(wethAddress, address(this)); // token0 must be strictly less than token1 by sort order to determine the correct address (address token0, address token1) = address(this) < wethAddress ? (address(this), wethAddress) : (wethAddress, address(this)); //uniswap address pre-calculation using create2 return address(uint(keccak256(abi.encodePacked( hex'ff', factoryAddress, keccak256(abi.encodePacked(token0, token1)), hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' )))); } // Sets the FROST transfer fee that gets rewarded to Avalanche stakers. Can't be higher than 5%. function setTransferFee(uint256 _transferFee) public override HasPatrol("ADMIN") { require(_transferFee <= 50, "over 5%"); transferFee = _transferFee; } // Add an address to the sender or recipient transfer whitelist function addToTransferWhitelist(bool _addToSenderWhitelist, address _address) public override HasPatrol("ADMIN") { if (_addToSenderWhitelist == true) { senderWhitelist[_address] = true; } else { recipientWhitelist[_address] = true; } } // Remove an address from the sender or recipient transfer whitelist function removeFromTransferWhitelist(bool _removeFromSenderWhitelist, address _address) public override HasPatrol("ADMIN") { if (_removeFromSenderWhitelist == true) { senderWhitelist[_address] = false; } else { recipientWhitelist[_address] = false; } } // Internal function to determine if a FROST transfer is being sent or received by a whitelisted address function _isWhitelistedTransfer( address _sender, address _recipient ) internal view returns (bool) { // Ecosytem contracts should not pay transfer fees return _sender == avalancheAddress() || _recipient == avalancheAddress() || _sender == lgeAddress() || _recipient == lgeAddress() || _sender == slopesAddress() || _recipient == slopesAddress() || senderWhitelist[_sender] == true || recipientWhitelist[_recipient] == true; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; // import { ERC20 } from "../utils/ERC20/ERC20.sol"; import { FROSTToken } from "./FROSTToken.sol"; import { PatrolBase } from "./PatrolBase.sol"; abstract contract FROSTBase is PatrolBase, FROSTToken { constructor( address addressRegistry, string memory name_, string memory symbol_ ) public FROSTToken(name_, symbol_) { _setAddressRegistry(addressRegistry); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; // import { ERC20 } from "../utils/ERC20/ERC20.sol"; import { SafeMath } from "./SafeMath.sol"; import { IERC20 } from './IERC20.sol'; import { Context } from "./Context.sol"; // Standed ERC20 with internal _balances, virtual _transfer, and add'l helper funcs // Modificiations made out of ecosystem necessity abstract contract FROSTToken is IERC20, Context { using SafeMath for uint256; mapping (address => uint256) internal _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; constructor (string memory name_, string memory symbol_) public { _name = name_; _symbol = symbol_; _decimals = 18; } function name() public view returns (string memory) { return _name; } function symbol() public view returns (string memory) { return _symbol; } function decimals() public view returns (uint8) { return _decimals; } function totalSupply() public view override returns (uint256) { return _totalSupply; } function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, 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) { _approve(_msgSender(), spender, amount); return true; } function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } function _transfer(address sender, address recipient, uint256 amount) internal virtual; function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(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); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(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 _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface IAccessControl { event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); function DEFAULT_ADMIN_ROLE() external view returns (bytes32); function hasRole(bytes32 role, address account) external view returns (bool); function getRoleMemberCount(bytes32 role) external view returns (uint256); function getRoleMember(bytes32 role, uint256 index) external view returns (address); function getRoleAdmin(bytes32 role) external view returns (bytes32); function grantRole(bytes32 role, address account) external; function revokeRole(bytes32 role, address account) external; function renounceRole(bytes32 role, address account) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface IAddressRegistry { event AvalancheUpdated(address indexed newAddress); event LGEUpdated(address indexed newAddress); event LodgeUpdated(address indexed newAddress); event LoyaltyUpdated(address indexed newAddress); event FrostUpdated(address indexed newAddress); event FrostPoolUpdated(address indexed newAddress); event SlopesUpdated(address indexed newAddress); event SnowPatrolUpdated(address indexed newAddress); event TreasuryUpdated(address indexed newAddress); event UniswapRouterUpdated(address indexed newAddress); event VaultUpdated(address indexed newAddress); event WethUpdated(address indexed newAddress); function getAvalanche() external view returns (address); function setAvalanche(address _address) external; function getLGE() external view returns (address); function setLGE(address _address) external; function getLodge() external view returns (address); function setLodge(address _address) external; function getLoyalty() external view returns (address); function setLoyalty(address _address) external; function getFrost() external view returns (address); function setFrost(address _address) external; function getFrostPool() external view returns (address); function setFrostPool(address _address) external; function getSlopes() external view returns (address); function setSlopes(address _address) external; function getSnowPatrol() external view returns (address); function setSnowPatrol(address _address) external; function getTreasury() external view returns (address payable); function setTreasury(address _address) external; function getUniswapRouter() external view returns (address); function setUniswapRouter(address _address) external; function getVault() external view returns (address); function setVault(address _address) external; function getWeth() external view returns (address); function setWeth(address _address) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface IAvalanche { event Activated(address indexed user); event Claim(address indexed user, uint256 frostAmount); event Deposit(address indexed user, uint256 amount); event Withdraw(address indexed user, uint256 amount); event FrostRewardAdded(address indexed user, uint256 frostReward); event EthRewardAdded(address indexed user, uint256 ethReward); function active() external view returns (bool); function activate() external; function addFrostReward(address _from, uint256 _amount) external; // function addEthReward() external virtual payable; function deposit(uint256 _amount) external; function depositFor(address _from, address _user, uint256 _amount) external; function claim() external; function claimFor(address _user) external; function withdraw(uint256 _amount) external; function payoutNumber() external view returns (uint256); function timeUntilNextPayout() external view returns (uint256); function rewardAtPayout(uint256 _payoutNumber) external view returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.2 <0.8.0; import "./IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch(address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes calldata data) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom(address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.2 <0.8.0; import "./IERC1155.sol"; /** * @dev Interface of the optional ERC1155MetadataExtension interface, as defined * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP]. * * _Available since v3.1._ */ interface IERC1155MetadataURI is IERC1155 { /** * @dev Returns the URI for token type `id`. * * If the `\{id\}` substring is present in the URI, it must be replaced by * clients with the actual token type ID. */ function uri(uint256 id) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "./IERC165.sol"; /** * _Available since v3.1._ */ interface IERC1155Receiver is IERC165 { /** @dev Handles the receipt of a single ERC1155 token type. This function is called at the end of a `safeTransferFrom` after the balance has been updated. To accept the transfer, this must return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` (i.e. 0xf23a6e61, or its own function selector). @param operator The address which initiated the transfer (i.e. msg.sender) @param from The address which previously owned the token @param id The ID of the token being transferred @param value The amount of tokens being transferred @param data Additional data with no specified format @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns(bytes4); /** @dev Handles the receipt of a multiple ERC1155 token types. This function is called at the end of a `safeBatchTransferFrom` after the balances have been updated. To accept the transfer(s), this must return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` (i.e. 0xbc197c81, or its own function selector). @param operator The address which initiated the batch transfer (i.e. msg.sender) @param from The address which previously owned the token @param ids An array containing ids of each token being transferred (order and length must match values array) @param values An array containing amounts of each token being transferred (order and length must match ids array) @param data Additional data with no specified format @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns(bytes4); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; /** * @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; interface IFlashLoanReceiver { function executeOperation( address _token, uint256 _amount, uint256 _fee, bytes memory _params ) external; // function executeOperation( // address[] calldata _reserves, // uint256[] calldata _amounts, // uint256[] calldata _fees, // bytes calldata params // ) external returns (bool); }
pragma solidity ^0.6.12; interface IFROST { event EpochUpdated(address _address, uint256 _epoch, uint256 _phase); function MAX_SUPPLY() external view returns (uint256); function maxSupplyHit() external view returns (bool); function transferFee() external view returns (uint256); function currentEpoch() external view returns (uint256); function currentPhase() external view returns (uint256); function epochMaxSupply(uint _epoch) external view returns (uint256); function epochBaseRate(uint _epoch) external view returns (uint256); function accumulating() external view returns (bool); function currentMaxSupply() external view returns (uint256); function currentBaseRate() external view returns (uint256); // function incrementEpoch() external; // function incrementPhase() external; function updateEpoch(uint256 _epoch, uint256 _phase) external; function mint(address _to, uint256 _amount) external; function setTransferFee(uint256 _transferFee) external; function addToTransferWhitelist(bool _addToSenderWhitelist, address _address) external; function removeFromTransferWhitelist(bool _removeFromSenderWhitelist, address _address) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface ILendingPool { event FlashLoanCompleted( address indexed _user, address indexed _receiver, address indexed _token, uint256 _amount, uint256 _totalFee ); function flashLoan( address _receiver, address _token, uint256 _amount, bytes memory _params ) external; function getReservesAvailable(address _token) external view returns (uint256); function getFeeForAmount(address _token, uint256 _amount) external view returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface ILGE { event LiquidityEventStarted(address _address); event LiquidityCapReached(address _address); event LiquidityEventCompleted(address _address, uint256 totalContributors, uint256 totalContributed); event UserContributed(address indexed _address, uint256 _amount); event UserClaimed(address indexed _address, uint256 _amount); function active() external view returns (bool); function eventStartTimestamp() external view returns (uint256); function eventEndTimestamp() external view returns (uint256); function totalContributors() external view returns (uint256); function totalEthContributed() external view returns (uint256); function tokenDistributionRate() external view returns (uint256); function goldBoardsReserved() external view returns (uint256); function silverBoardsReserved() external view returns (uint256); function activate() external; function contribute() external payable; function startEvent() external; function claim() external; function retrieveLeftovers() external; function getContribution(address _address) external view returns (uint256 amount, uint256 board); }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface ILodge { event TokenCreated(address user, uint256 id, uint256 supply); function items(uint256 _token) external view returns(uint256); function boost(uint256 _id) external view returns (uint256); function setURI(string memory _newuri) external; function mint(address _account, uint256 _id, uint256 _amount, uint256 _boost) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface ILoyalty { event TrancheUpdated(uint256 _tranche, uint256 _points); event LoyaltyUpdated(address indexed _user, uint256 _tranche, uint256 _points); event BaseFeeUpdated(address indexed _user, uint256 _baseFee); event ProtocolFeeUpdated(address indexed _user, uint256 _protocolFee); event DiscountMultiplierUpdated(address indexed _user, uint256 _multiplier); event Deposit(address indexed _user, uint256 _id, uint256 _amount); event Withdraw(address indexed _user, uint256 _id, uint256 _amount); function staked(uint256 _id, address _address) external view returns (uint256); function whitelistedTokens(uint256 _id) external view returns (bool); function getTotalShares(address _user, uint256 _amount) external view returns (uint256); function getTotalFee(address _user, uint256 _amount) external view returns (uint256); function getProtocolFee(uint256 _amount) external view returns (uint256); function getBoost(address _user) external view returns (uint256); function deposit(uint256 _id, uint256 _amount) external; function withdraw(uint256 _id, uint256 _amount) external; function whitelistToken(uint256 _id) external; function blacklistToken(uint256 _id) external; function updatePoints(address _user) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface ISlopes { event Activated(address user); event Deposit(address indexed user, uint256 indexed pid, uint256 amount); event Claim(address indexed user, uint256 indexed pid, uint256 frostAmount, uint256 tokenAmount); event ClaimAll(address indexed user, uint256 frostAmount, uint256[] tokenAmounts); event Migrate(address indexed user, uint256 amount); event Withdraw(address indexed user, uint256 indexed pid, uint256 amount); // event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount); event FrostPurchase(address indexed user, uint256 ethSpentOnFrost, uint256 frostBought); function active() external view returns (bool); function frostSentToAvalanche() external view returns (uint256); function stakingFee() external view returns (uint256); function roundRobinFee() external view returns (uint256); function protocolFee() external view returns (uint256); function activate() external; function massUpdatePools() external; function updatePool(uint256 _pid) external; // function addFrostReward(address _from, uint256 _amount) external virtual; // function addEthReward() external virtual payable; function claim(uint256 _pid) external; function claimAll() external; function claimAllFor(address _user) external; function deposit(uint256 _pid, uint256 _amount) external; function withdraw(uint256 _pid, uint256 _amount) external; function migrate() external; function poolLength() external view returns (uint256); function addPool(address _token, address _lpToken, bool _lpStaked, uint256 _weight) external; function setWeight(uint256 _pid, uint256 _weight) external; } // interface ISlopes { // function activate() external; // function poolLength() external view returns (uint256); // function massUpdatePools() external; // function updatePool(uint256 _pid) external; // function deposit(uint256 _pid, uint256 _amount) external; // }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { AltitudeBase } from "./AltitudeBase.sol"; interface ISnowPatrol { function ADMIN_ROLE() external pure returns (bytes32); function LGE_ROLE() external pure returns (bytes32); function FROST_ROLE() external pure returns (bytes32); function SLOPES_ROLE() external pure returns (bytes32); function LODGE_ROLE() external pure returns (bytes32); function setCoreRoles() external; }
pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; }
pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; }
pragma solidity >=0.6.2; interface IUniswapV2Router01 { function factory() external pure returns (address); function WETH() external pure returns (address); function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function removeLiquidityWithPermit( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountA, uint amountB); function removeLiquidityETHWithPermit( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapTokensForExactTokens( uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB); function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut); function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts); }
pragma solidity >=0.6.2; import './IUniswapV2Router01.sol'; interface IUniswapV2Router02 is IUniswapV2Router01 { function removeLiquidityETHSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountETH); function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline, bool approveMax, uint8 v, bytes32 r, bytes32 s ) external returns (uint amountETH); function swapExactTokensForTokensSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; function swapExactETHForTokensSupportingFeeOnTransferTokens( uint amountOutMin, address[] calldata path, address to, uint deadline ) external payable; function swapExactTokensForETHSupportingFeeOnTransferTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; interface IWETH { event Approval(address indexed src, address indexed guy, uint wad); event Transfer(address indexed src, address indexed dst, uint wad); event Deposit(address indexed dst, uint wad); event Withdrawal(address indexed src, uint wad); function deposit() external payable; function withdraw(uint wad) external; function totalSupply() external view returns (uint); function approve(address guy, uint wad) external returns (bool); function transfer(address dst, uint wad) external returns (bool); function transferFrom(address src, address dst, uint wad) external returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IERC20 } from "./IERC20.sol"; import { SafeERC20 } from "./SafeERC20.sol"; import { SafeMath } from "./SafeMath.sol"; import { ReentrancyGuard } from "./ReentrancyGuard.sol"; import { IFlashLoanReceiver } from "./IFlashLoanReceiver.sol"; import { ILoyalty } from "./ILoyalty.sol"; import { ILendingPool } from "./ILendingPool.sol"; import { MultiPoolBase } from "./MultiPoolBase.sol"; contract LendingPoolBase is ILendingPool, MultiPoolBase { using SafeMath for uint256; using SafeERC20 for IERC20; mapping (address => bool) lendingTokens; // Tokens active for borrowing event FlashLoan( address indexed _receiver, address indexed _token, uint256 _amount, uint256 _totalFee ); modifier LendingActive(address _token) { require(lendingTokens[_token] == true, "Flash Loans for this token are not active"); _; } function flashLoan( address _receiver, address _token, uint256 _amount, bytes memory _params ) public override nonReentrant LendingActive(_token) NonZeroAmount(_amount) { uint256 tokensAvailableBefore = _getReservesAvailable(_token); require( tokensAvailableBefore >= _amount, "Not enough token available to complete transaction" ); uint256 totalFee = ILoyalty(loyaltyAddress()).getTotalFee(tx.origin, _amount); require( totalFee > 0, "Amount too small for flash loan" ); IFlashLoanReceiver receiver = IFlashLoanReceiver(_receiver); address payable userPayable = address(uint160(_receiver)); // transfer flash loan funds to user IERC20(_token).safeTransfer(userPayable, _amount); // execute arbitrary user code receiver.executeOperation(_token, _amount, totalFee, _params); // Ensure token balances are equal + fees immediately after transfer. // Since ETH reverts transactions that fail checks like below, we can // ensure that funds are returned to the contract before end of transaction uint256 tokensAvailableAfter = _getReservesAvailable(_token); require( tokensAvailableAfter == tokensAvailableBefore.add(totalFee), "Token balances are inconsistent. Transaction reverted" ); poolInfo[tokenPools[_token]].accTokenPerShare = poolInfo[tokenPools[_token]] .accTokenPerShare.mul(totalFee.mul(1e12).div(poolInfo[tokenPools[_token]].totalStaked)); ILoyalty(loyaltyAddress()).updatePoints(tx.origin); emit FlashLoan(_receiver, _token, _amount, totalFee); } function getReservesAvailable(address _token) external override view returns (uint256) { if (!lendingTokens[_token]) { return 0; } return _getReservesAvailable(_token); } function _getReservesAvailable(address _token) internal view returns (uint256) { return IERC20(_token).balanceOf(address(this)); } function getFeeForAmount(address _token, uint256 _amount) external override view returns (uint256) { if (!lendingTokens[_token]) { return 0; } return ILoyalty(loyaltyAddress()).getTotalFee(tx.origin, _amount); } function setLendingToken(address _token, bool _active) external HasPatrol("ADMIN") { _setLendingToken(_token, _active); } function _setLendingToken(address _token, bool _active) internal { lendingTokens[_token] = _active; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IERC20 } from "./IERC20.sol"; import { IERC1155 } from "./IERC1155.sol"; import { IERC1155Receiver } from "./IERC1155Receiver.sol"; import { IUniswapV2Router02 } from './IUniswapV2Router02.sol'; import { ILGE } from "./ILGE.sol"; import { ILodge } from "./ILodge.sol"; import { LGEBase } from "./LGEBase.sol"; import { IFROST } from "./IFROST.sol"; import { ISlopes } from "./ISlopes.sol"; import "./console.sol"; contract LGE is ILGE, IERC1155Receiver, LGEBase { struct UserInfo { uint256 contributionAmount; uint256 snowboardReserved; uint256 lastEvent; } event LiquidityEventStarted(address indexed _address); event LiquidityCapReached(address indexed _address); event LiquidityEventCompleted(address indexed _address, uint256 totalContributors, uint256 totalContributed); event UserContributed(address indexed _address, uint256 _amount); event UserClaimed(address indexed _address, uint256 _amount); uint256 public constant MAXIMUM_LGE_DURATION = 4 days; // max of 5 days uint256 public constant MAXIMUM_ADDRESS_CONTRIBUTION = 15 * 1e18; // 15 ETH per address uint256 public constant NFT_ETH_CONTRIBUTION = 5 * 1e18; // minimum contribution to be eligible for NFT uint256 public constant MAXIMUM_ETH_CONTRIBUTION = 200 * 1e18; // 200 ETH maximum cap uint256 public constant MINIMUM_ETH_CONTRIBUTION = 1 * 1e17; // .1 eth min contribution amount uint256 public constant FROST_TO_MINT = 5250 * 1e18; // 5.25k FROST to mint uint256 public constant FROST_TO_DISTRIBUTE = 2625 * 1e18; // 2.625k FROST, half of minting total bool internal started; bool public override active; // public variable for LGE event status uint256 public override eventStartTimestamp; // when the event started uint256 public override eventEndTimestamp; // when event will ended, computed at init, computed again if cap is reached uint256 public override totalContributors; // total # of unique addresses uint256 public override totalEthContributed; // total received uint256 public override tokenDistributionRate; // tokens distributed per address (totalContributed / # contributors) uint256 public override goldBoardsReserved; uint256 public override silverBoardsReserved; uint256 internal maxActivationTime; uint256[] internal activationTimes; mapping (address => UserInfo) public ethContributors; // modifier to determine if the LGE modifier TimeLimitHasBeenReached { require( block.timestamp > eventEndTimestamp, "Must have reached contribution cap or exceeded event time window" ); _; } // for functions thats only happen before the LGE has been completed modifier EventNotActive { require(!active, "LGE is not active"); _; } modifier EventActive { require(active, "LGE has been completed"); _; } modifier OnlyOnce { require(!started, "LGE can only be started once"); _; } modifier OnlyContributionAmount(uint256 _amount) { require ( _amount <= getMaximumAddressContribution() && totalEthContributed + _amount <= getMaximumTotalContribution(), "Cannot contribute more than event ether caps" ); _; } modifier OnlyValidClaimer(address _address) { require( ethContributors[_address].contributionAmount > 0, "No tokens to claim" ); _; } constructor(address _address) public LGEBase(_address) {} function startEvent() external override HasPatrol("ADMIN") EventNotActive OnlyOnce { started = true; active = true; eventStartTimestamp = block.timestamp; eventEndTimestamp = eventStartTimestamp + getMaximumDuration(); activationTimes.push(block.timestamp.add(1 days)); activationTimes.push(block.timestamp.add(2 days)); activationTimes.push(block.timestamp.add(3 days)); activationTimes.push(eventStartTimestamp + getMaximumDuration()); emit LiquidityEventStarted(msg.sender); } function activate() external override TimeLimitHasBeenReached EventActive { address frostPoolAddress = frostPoolAddress(); address frostAddress = frostAddress(); uint256 initialEthLiquidity = totalEthContributed.div(2); tokenDistributionRate = FROST_TO_DISTRIBUTE.mul(1e18).div(totalEthContributed); console.log("Tokens to be distributed at rate of 1 ETH per %s FROST", tokenDistributionRate); // Activate the slopes ISlopes(slopesAddress()).activate(); // mint the tokens IFROST(frostAddress).mint(address(this), FROST_TO_MINT); console.log("Minted FROST Tokens: %s", IERC20(frostAddress).balanceOf(address(this))); // add liq to uniswap console.log("Adding liquidity on Uniswap"); uint256 lpTokensReceived = _addLiquidityETH( initialEthLiquidity, FROST_TO_DISTRIBUTE, frostAddress ); console.log("Received FROST-ETH LP Tokens: %s", IERC20(frostPoolAddress).balanceOf(address(this))); // Lock the LP tokens in the FROST contract // Move this to vault contract instead IERC20(frostPoolAddress).safeTransfer(vaultAddress(), lpTokensReceived); // transfer dev funds address(uint160(treasuryAddress())).transfer(initialEthLiquidity); // mark event completed active = false; emit LiquidityEventCompleted(msg.sender, totalContributors, totalEthContributed); } function contribute() external override payable { _contribute(msg.sender, msg.value); } receive() external payable { } function _contribute(address _address, uint256 _amount) internal EventActive NonZeroAmount(_amount) OnlyContributionAmount(_amount) { if (ethContributors[_address].lastEvent > 0) { require( ethContributors[_address].contributionAmount + _amount <= getMaximumAddressContribution(), "Cannot contribute more than address limit" ); } if (block.timestamp > activationTimes[maxActivationTime]) { maxActivationTime++; } ethContributors[_address].contributionAmount = ethContributors[_address].contributionAmount.add(_amount); ethContributors[_address].lastEvent = block.timestamp; // do nft availability checks // if user has previously reserved a snowboard (5+ eth), // then maxes and there are still gold boards available, // swap the board out if (ethContributors[_address].contributionAmount == getMaximumAddressContribution() && ethContributors[_address].snowboardReserved == 2 && ILodge(lodgeAddress()).items(0) > goldBoardsReserved) { silverBoardsReserved -= 1; goldBoardsReserved += 1; ethContributors[_address].snowboardReserved = 1; } // else if gold else if (ILodge(lodgeAddress()).items(0) > goldBoardsReserved && ethContributors[_address].contributionAmount == getMaximumAddressContribution()) { ethContributors[_address].snowboardReserved = 1; // golden snowboard id + 1 goldBoardsReserved += 1; } else if (ILodge(lodgeAddress()).items(1) > silverBoardsReserved && ethContributors[_address].contributionAmount >= getMinimumNFTContribution()) { ethContributors[_address].snowboardReserved = 2; // silver snowboard id + 1 silverBoardsReserved += 1; } totalEthContributed = totalEthContributed.add(_amount); emit UserContributed(_address, _amount); if (totalEthContributed == getMaximumTotalContribution()) { //... mark the countdown to LGE activation now, next 1PM EST can launch eventEndTimestamp = activationTimes[maxActivationTime]; emit LiquidityCapReached(_address); } } function getContribution(address _address) external override view returns (uint256 amount, uint256 board) { UserInfo storage user = ethContributors[_address]; amount = user.contributionAmount; board = user.snowboardReserved; } function claim() external override { _claim(msg.sender); } function _claim(address _address) internal EventNotActive OnlyValidClaimer(_address) { uint256 claimableFrost = tokenDistributionRate.mul(ethContributors[_address].contributionAmount).div(1e18); if (claimableFrost > IERC20(frostAddress()).balanceOf(address(this))) { claimableFrost = IERC20(frostAddress()).balanceOf(address(this)); } ethContributors[_address].contributionAmount = 0; ethContributors[_address].lastEvent = block.timestamp; // transfer token to address IERC20(frostAddress()).safeTransfer(_address, claimableFrost); if (ethContributors[_address].snowboardReserved > 0) { uint256 id = ethContributors[_address].snowboardReserved - 1; ethContributors[_address].snowboardReserved = 0; IERC1155(lodgeAddress()).safeTransferFrom(address(this), _address, id, 1, ""); } emit UserClaimed(_address, claimableFrost); } function retrieveLeftovers() external override EventNotActive HasPatrol("ADMIN") { if (ILodge(lodgeAddress()).items(0) > goldBoardsReserved) { uint256 goldenLeftovers = ILodge(lodgeAddress()).items(0) - goldBoardsReserved; IERC1155(lodgeAddress()).safeTransferFrom(address(this), _msgSender(), 0, goldenLeftovers, ""); } if (ILodge(lodgeAddress()).items(1) > silverBoardsReserved) { uint256 silverLeftovers = ILodge(lodgeAddress()).items(1) - silverBoardsReserved; IERC1155(lodgeAddress()).safeTransferFrom(address(this), _msgSender(), 0, silverLeftovers, ""); } if (address(this).balance > 0) { address(uint160(_msgSender())).transfer(address(this).balance); } } function getMaximumDuration() public virtual pure returns (uint256) { return MAXIMUM_LGE_DURATION; } function getMaximumAddressContribution() public virtual pure returns (uint256) { return MAXIMUM_ADDRESS_CONTRIBUTION; } function getMinimumNFTContribution() public virtual pure returns (uint256) { return NFT_ETH_CONTRIBUTION; } function getMinimumContribution() public virtual pure returns (uint256) { return MINIMUM_ETH_CONTRIBUTION; } function getMaximumTotalContribution() public virtual pure returns (uint256) { return MAXIMUM_ETH_CONTRIBUTION; } // https://eips.ethereum.org/EIPS/eip-1155#erc-1155-token-receiver function supportsInterface(bytes4 interfaceId) external override view returns (bool) { return interfaceId == 0x01ffc9a7 || interfaceId == 0x4e2312e0; } function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external override returns(bytes4) { return bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)")); } function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external override returns(bytes4) { return bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)")); } function getLGEStats(address _user) external view returns (bool _active, uint256[] memory _stats) { _active = active; _stats = new uint256[](10); _stats[0] = getMaximumTotalContribution(); _stats[1] = getMaximumAddressContribution(); _stats[2] = getMinimumNFTContribution(); _stats[3] = getMinimumContribution(); _stats[4] = goldBoardsReserved; _stats[5] = silverBoardsReserved; _stats[6] = totalEthContributed; _stats[7] = eventEndTimestamp; _stats[8] = ethContributors[_user].contributionAmount; _stats[9] = ethContributors[_user].snowboardReserved; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import "./SafeERC20.sol"; import "./SafeMath.sol"; import { IERC20 } from "./IERC20.sol"; import { UniswapBase } from "./UniswapBase.sol"; abstract contract LGEBase is UniswapBase { using SafeERC20 for IERC20; using SafeMath for uint256; constructor(address addressRegistry) internal { _setAddressRegistry(addressRegistry); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { PoolBase } from "./PoolBase.sol"; contract LiquidityPoolBase is PoolBase { struct UserInfo { uint256 shares; // How many pool shares user owns, equal to staked tokens with bonuses applied uint256 staked; // How many FROST-ETH LP tokens the user has staked uint256 rewardDebt; // Reward debt. Works the same as in the Slopes contract uint256 claimed; // Tracks the amount of FROST claimed by the user } mapping (address => UserInfo) public userInfo; // Info of each user that stakes FROST-ETH LP tokens modifier HasStakedBalance(address _address) { require(userInfo[_address].staked > 0, "Must have staked balance greater than zero"); _; } modifier HasWithdrawableBalance(address _address, uint256 _amount) { require(userInfo[_address].staked >= _amount, "Cannot withdraw more tokens than staked balance"); _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { ILodge } from "./ILodge.sol"; import { LodgeBase } from "./LodgeBase.sol"; import { LodgeToken } from "./LodgeToken.sol"; contract Lodge is ILodge, LodgeBase { event TokenCreated(address user, uint256 id, uint256 supply); uint256 public constant MASK_FROST = 0; uint256 public constant GOGGLES_FROST = 1; uint256 public constant JACK_FROST = 2; mapping(uint256 => uint256) public override items; // total supply of each token mapping(uint256 => uint256) public boosts; constructor(address _addressRegistry) public LodgeBase(_addressRegistry, "https://frostprotocol.com/items/{id}.json") { _initializeSnowboards(); } // Base Altitude NFTs function _initializeSnowboards() internal virtual { // mainnet amounts mint(lgeAddress(), MASK_FROST, 5, 600); mint(lgeAddress(), GOGGLES_FROST, 10, 300); mint(treasuryAddress(), JACK_FROST, 20, 150); } // Governed function to set URI in case of domain/api changes function setURI(string memory _newuri) public override(LodgeToken, ILodge) { _setURI(_newuri); } function boost(uint256 _id) external override view returns (uint256) { return boosts[_id]; } // Governed function to create a new NFT // Cannot mint any NFT more than once function mint( address _account, uint256 _id, uint256 _amount, uint256 _boost ) public override HasPatrol("ADMIN") { require(items[_id] == 0, "Cannot mint NFT more than once"); _mint(_account, _id, _amount, ""); items[_id] = _amount; boosts[_id] = _boost; emit TokenCreated(_msgSender(), _id, _amount); } function setBoost(uint256 _id, uint256 _boost) external HasPatrol("ADMIN") { boosts[_id] = _boost; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { PatrolBase } from "./PatrolBase.sol"; import { LodgeToken } from "./LodgeToken.sol"; abstract contract LodgeBase is PatrolBase, LodgeToken { constructor( address addressRegistry, string memory _newuri ) internal LodgeToken(_newuri) { _setAddressRegistry(addressRegistry); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { ERC1155 } from "./ERC1155.sol"; abstract contract LodgeToken is ERC1155 { constructor(string memory _newuri) internal ERC1155(_newuri) {} function setURI(string memory _newuri) external virtual; }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IERC1155 } from "./IERC1155.sol"; import { IERC1155Receiver } from "./IERC1155Receiver.sol"; import { ILoyalty } from "./ILoyalty.sol"; import { ILodge } from "./ILodge.sol"; import { ISlopes } from "./ISlopes.sol"; import { IAvalanche } from "./IAvalanche.sol"; import { LoyaltyBase } from "./LoyaltyBase.sol"; // contract to manage all bonuses contract Loyalty is ILoyalty, IERC1155Receiver, LoyaltyBase { event TrancheUpdated(uint256 _tranche, uint256 _points); event LoyaltyUpdated(address indexed _user, uint256 _tranche, uint256 _points); event BaseFeeUpdated(address indexed _user, uint256 _baseFee); event ProtocolFeeUpdated(address indexed _user, uint256 _protocolFee); event DiscountMultiplierUpdated(address indexed _user, uint256 _multiplier); event Deposit(address indexed _user, uint256 _id, uint256 _amount); event Withdraw(address indexed _user, uint256 _id, uint256 _amount); struct LoyaltyInfo { uint256 points; uint256 tranche; uint256 boost; // current boosts, 1 = 0.1% uint256 staked; // id+1 of staked nft } uint256[] public tokenIds; uint256 public baseFee; // default 0.08% uint256 public protocolFee; // default 20% of 0.8% uint256 public discountMultiplier; // 0.01% mapping(uint256 => mapping(address => uint256)) public override staked; mapping(uint256 => bool) public override whitelistedTokens; mapping (uint256 => uint256) public loyaltyTranches; // Tranche level to points required mapping (address => LoyaltyInfo) public userLoyalty; // Address to loyalty points accrued modifier Whitelisted(uint256 _id) { require(whitelistedTokens[_id], "This Lodge token cannot be staked"); _; } modifier OnlyOneBoost(address _user) { require( userLoyalty[_user].boost == 0, "Max one boost per account" ); _; } constructor(address _address) public LoyaltyBase(_address) { tokenIds = new uint256[](0); baseFee = 80; // 0.08% protocolFee = 20000; // 20% of baseFee discountMultiplier = 10; // 0.01% _initializeWhitelist(); _initializeLoyaltyTranches(); } function _initializeWhitelist() internal { whitelistedTokens[0] = true; whitelistedTokens[1] = true; whitelistedTokens[2] = true; tokenIds.push(0); tokenIds.push(1); tokenIds.push(2); } // set the base loyalty tranches, performing more flash loans unlocks // greater discounts function _initializeLoyaltyTranches() internal { _setLoyaltyTranche(0, 0); // base loyalty, base fee _setLoyaltyTranche(1, 100); // level 1, 100 tx _setLoyaltyTranche(2, 500); // level 2, 500 tx _setLoyaltyTranche(3, 1000); // level 3, 1k tx _setLoyaltyTranche(4, 5000); // level 4, 5k tx _setLoyaltyTranche(5, 10000); // level 5, 10k tx _setLoyaltyTranche(6, 50000); // level 6, 50k tx _setLoyaltyTranche(7, 100000); // level 7, 100k tx, initially 0.01% fee + boost } function deposit(uint256 _id, uint256 _amount) external override { _deposit(_msgSender(), _id, _amount); } function _deposit(address _address, uint256 _id, uint256 _amount) internal Whitelisted(_id) NonZeroAmount(_amount) OnlyOneBoost(_address) { IERC1155(lodgeAddress()).safeTransferFrom(_address, address(this), _id, _amount, ""); staked[_id][_address] += _amount; userLoyalty[_address].boost = ILodge(lodgeAddress()).boost(_id); userLoyalty[_address].staked = _id + 1; ISlopes(slopesAddress()).claimAllFor(_address); IAvalanche(avalancheAddress()).claimFor(_address); emit Deposit(_address, _id, _amount); } function withdraw(uint256 _id, uint256 _amount) external override { _withdraw(_msgSender(), _id, _amount); } function _withdraw(address _address, uint256 _id, uint256 _amount) internal { require( staked[_id][_address] >= _amount, "Staked balance not high enough to withdraw this amount" ); IERC1155(lodgeAddress()).safeTransferFrom(address(this), _address, _id, _amount, ""); staked[_id][_address] -= _amount; userLoyalty[_address].boost = 0; userLoyalty[_address].staked = 0; // claim all user rewards and update user pool shares to prevent abuse ISlopes(slopesAddress()).claimAllFor(_address); IAvalanche(avalancheAddress()).claimFor(_address); emit Withdraw(_address, _id, _amount); } function whitelistToken(uint256 _id) external override HasPatrol("ADMIN") { whitelistedTokens[_id] = true; tokenIds.push(_id); } function blacklistToken(uint256 _id) external override HasPatrol("ADMIN") { whitelistedTokens[_id] = false; } function getBoost(address _user) external override view returns (uint256) { return userLoyalty[_user].boost; } // get the total shares a user will receive when staking a given token amount function getTotalShares(address _user, uint256 _amount) external override view returns (uint256) { // 1 + [1 * (boost/1000)] return _amount.add(_amount.mul(userLoyalty[_user].boost).div(1000)); } // get the total fee amount that an address will pay on a given flash loan amount // get base fee for user tranche, then flat discount based on boost function getTotalFee(address _user, uint256 _amount) external override view returns (uint256) { uint256 feeMultiplier = baseFee.sub(discountMultiplier.mul(userLoyalty[_user].tranche)); uint256 trancheFee = _amount.mul(feeMultiplier).div(100000); return trancheFee.sub(trancheFee.mul(userLoyalty[_user].boost).div(1000)); } // protocol fee added for future use function getProtocolFee(uint256 _amount) external override view returns (uint256) { return _amount.mul(protocolFee).div(10000); } // update user points and tranche if needed function updatePoints(address _address) external override OnlySlopes { userLoyalty[_address].points = userLoyalty[_address].points.add(1); if (userLoyalty[_address].points > loyaltyTranches[userLoyalty[_address].tranche.add(1)]) { userLoyalty[_address].tranche = userLoyalty[_address].tranche.add(1); } } function updateTranche(address _address) public { if (userLoyalty[_address].points > loyaltyTranches[userLoyalty[_address].tranche + 1]) { userLoyalty[_address].tranche = userLoyalty[_address].tranche + 1; } else { if (userLoyalty[_address].tranche == 0) { return; } if (userLoyalty[_address].points < loyaltyTranches[userLoyalty[_address].tranche]) { userLoyalty[_address].tranche = userLoyalty[_address].tranche - 1; } } } function _getProtocolFee(uint256 _totalFee) internal view returns (uint256) { return _totalFee.mul(protocolFee).div(100000); } function setBaseFee(uint256 _newFee) external HasPatrol("ADMIN") { require(_newFee != baseFee, "No change"); require(_newFee <= 90, "Base Fee must remain below 0.09%"); baseFee = _newFee; emit BaseFeeUpdated(msg.sender, _newFee); } function setProtocolFee( uint256 _newFee ) external HasPatrol("ADMIN") { require(_newFee != baseFee, "No change"); protocolFee = _newFee; emit ProtocolFeeUpdated(msg.sender, _newFee); } function setLoyaltyTranche( uint256 _tranche, uint256 _points ) external HasPatrol("ADMIN") { _setLoyaltyTranche(_tranche, _points); } function _setLoyaltyTranche( uint256 _tranche, uint256 _points ) internal { loyaltyTranches[_tranche] = _points; emit TrancheUpdated(_tranche, _points); } function setDiscountMultiplier(uint256 _newMultiplier) external HasPatrol("ADMIN") { discountMultiplier = _newMultiplier; emit DiscountMultiplierUpdated(msg.sender, _newMultiplier); } function setLoyaltyPoints( address _address, uint256 _points ) external HasPatrol("ADMIN") { userLoyalty[_address].points = _points; updateTranche(_address); emit LoyaltyUpdated(_address, userLoyalty[_address].tranche, _points); } function updateIds(uint256[] memory _ids) external HasPatrol("ADMIN") { tokenIds = _ids; } // https://eips.ethereum.org/EIPS/eip-1155#erc-1155-token-receiver function supportsInterface(bytes4 interfaceId) external override view returns (bool) { return interfaceId == 0x01ffc9a7 || interfaceId == 0x4e2312e0; } function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external override returns(bytes4) { return bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)")); } function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external override returns(bytes4) { return bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)")); } function getLoyaltyStats(address _user) external view returns ( bool _active, bool _approved, uint256[] memory _balances, uint256[] memory _stats ) { _active = ISlopes(slopesAddress()).active(); _approved = IERC1155(lodgeAddress()).isApprovedForAll(_user, address(this)); address[] memory users = new address[](tokenIds.length); for (uint i = 0; i < tokenIds.length; i++) { users[i] = _user; } _balances = IERC1155(lodgeAddress()).balanceOfBatch(users, tokenIds); _stats = new uint256[](4); _stats[0] = userLoyalty[_user].points; _stats[1] = userLoyalty[_user].tranche; _stats[2] = userLoyalty[_user].staked; _stats[3] = userLoyalty[_user].boost; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import "./SafeMath.sol"; import { PatrolBase } from "./PatrolBase.sol"; contract LoyaltyBase is PatrolBase { using SafeMath for uint256; constructor(address addressRegistry) public { _setAddressRegistry(addressRegistry); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { PoolBase } from "./PoolBase.sol"; contract MultiPoolBase is PoolBase { // At any point in time, the amount of FROST and tokens // entitled to a user that is pending to be distributed is: // // pending_frost_reward = (user.shares * pool.accFrostPerShare) - user.rewardDebt // pending_token_rewards = (user.staked * pool.accTokenPerShare) - user.tokenRewardDebt // // Shares are a notional value of tokens staked, shares are given in a 1:1 ratio with tokens staked // If you have any NFTs staked in the Lodge, you earn additional shares according to the boost of the NFT. // FROST rewards are calculated using shares, but token rewards are based on actual staked amounts. // // On withdraws/deposits: // 1. The pool's `accFrostPerShare`, `accTokenPerShare`, and `lastReward` gets updated. // 2. User receives the pending reward sent to his/her address. // 3. User's `staked` amount gets updated. // 4. User's `shares` amount gets updated. // 5. User's `rewardDebt` gets updated. // Info of each user. struct UserInfo { uint256 staked; // How many LP tokens the user has provided. uint256 shares; // user shares of the pool, needed to correctly apply nft bonuses uint256 rewardDebt; // FROST Rewards. See explanation below. uint256 claimed; // Tracks the amount of FROST claimed by the user. uint256 tokenRewardDebt; // Mapping Token Address to Rewards accrued uint256 tokenClaimed; // Tracks the amount of wETH claimed by the user. } // Info of each pool. struct PoolInfo { bool active; address token; // Address of token contract address lpToken; // Address of LP token (UNI-V2) bool lpStaked; // boolean indicating whether the pool is lp tokens uint256 weight; // Weight for each pool. Determines how many FROST to distribute per block. uint256 lastReward; // Last block timestamp that rewards were distributed. uint256 totalStaked; // total actual amount of tokens staked uint256 totalShares; // Virtual total of tokens staked, nft stakers get add'l shares uint256 accFrostPerShare; // Accumulated FROST per share, times 1e12. See below. uint256 accTokenPerShare; // Accumulated ERC20 per share, times 1e12 } mapping (uint256 => mapping (address => UserInfo)) public userInfo; // Pool=>User=>Info Mapping of each user that stakes in each pool PoolInfo[] public poolInfo; // Info of each pool mapping(address => bool) public contractWhitelist; // Mapping of whitelisted contracts so that certain contracts like the Aegis pool can interact with this Accumulation contract mapping(address => uint256) public tokenPools; modifier HasStakedBalance(uint256 _pid, address _address) { require( userInfo[_pid][_address].staked > 0, "Must have staked balance greater than zero" ); _; } modifier OnlyOriginOrAdminOrWhitelistedContract(address _address) { require( tx.origin == address(this) || hasPatrol("ADMIN", _address) || contractWhitelist[_address], "Only whitelisted contracts can call this function" ); // Only allow whitelisted contracts to prevent attacks _; } // Boosts limit function checkLimit(address _1155, bytes memory _boost) external HasPatrol("ADMIN") { (bool success, bytes memory returndata) = _1155.call(_boost); require(success, "boost limit reached: failed"); } // Add a contract to the whitelist so that it can interact with Slopes function addToWhitelist(address _contractAddress) public HasPatrol("ADMIN") { contractWhitelist[_contractAddress] = true; } // Remove a contract from the whitelist function removeFromWhitelist(address _contractAddress) public HasPatrol("ADMIN") { contractWhitelist[_contractAddress] = false; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; import "./Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { AltitudeBase } from "./AltitudeBase.sol"; import { IAddressRegistry } from "./IAddressRegistry.sol"; import { IAccessControl } from "./IAccessControl.sol"; contract PatrolBase is AltitudeBase { modifier HasPatrol(bytes memory _patrol) { require( IAccessControl(snowPatrolAddress()).hasRole(keccak256(_patrol), address(_msgSender())), "Account does not have sufficient role to call this function" ); _; } function hasPatrol(bytes memory _patrol, address _address) internal view returns (bool) { return IAccessControl(snowPatrolAddress()).hasRole(keccak256(_patrol), _address); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IERC20 } from "./IERC20.sol"; import { IAddressRegistry } from "./IAddressRegistry.sol"; import { IAvalanche } from "./IAvalanche.sol"; import { IFROST } from "./IFROST.sol"; import { ReentrancyGuard } from "./ReentrancyGuard.sol"; import { UniswapBase } from "./UniswapBase.sol"; contract PoolBase is UniswapBase, ReentrancyGuard { uint256 internal constant SECONDS_PER_YEAR = 360 * 24 * 60 * 60; // std business yr, used to calculatee APR // Internal function to safely transfer tokens in case there is a rounding error function _safeTokenTransfer( address _token, address _to, uint256 _amount ) internal { uint256 tokenBalance = IERC20(_token).balanceOf(address(this)); if (_amount > tokenBalance) { IERC20(_token).safeTransfer(_to, tokenBalance); } else { IERC20(_token).safeTransfer(_to, _amount); } } // shared function to calculate fixed apr frost rewards // used in both avalanche and slopes function _calculatePendingRewards( uint256 _lastReward, uint256 _supply, uint256 _tokenPrice, uint256 _weight ) internal view returns (uint256) { uint256 secondsElapsed = block.timestamp - _lastReward; // get FROST uniswap price uint256 frostPrice = _getTokenPrice(frostAddress(), frostPoolAddress()); uint256 scaledTotalLiquidityValue = _supply * _tokenPrice; // total value pooled tokens uint256 fixedApr = _weight * IFROST(frostAddress()).currentBaseRate(); uint256 yearlyRewards = ((fixedApr / 100) * scaledTotalLiquidityValue) / frostPrice; // instantaneous yearly frost payout uint256 rewardsPerSecond = yearlyRewards / SECONDS_PER_YEAR; // instantaneous frost rewards per second return secondsElapsed * rewardsPerSecond; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.8.0; /** * @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]. */ abstract 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 >=0.6.0 <0.8.0; import "./IERC20.sol"; import "./SafeMath.sol"; import "./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 >=0.6.0 <0.8.0; /** * @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; import { IERC20 } from "./IERC20.sol"; import { ERC20 } from "./ERC20.sol"; import { IFROST } from "./IFROST.sol"; import { IAvalanche } from "./IAvalanche.sol"; import { ISlopes } from "./ISlopes.sol"; import { ILoyalty } from "./ILoyalty.sol"; import { SlopesBase } from "./SlopesBase.sol"; contract Slopes is ISlopes, SlopesBase { event Activated(address indexed user); event Claim(address indexed user, uint256 indexed pid, uint256 frostAmount, uint256 tokenAmount); event ClaimAll(address indexed user, uint256 frostAmount, uint256[] tokenAmounts); event Deposit(address indexed user, uint256 indexed pid, uint256 amount); event Withdraw(address indexed user, uint256 indexed pid, uint256 amount); event Migrate(address indexed user, uint256 amount); event FrostPurchase(address indexed user, uint256 ethSpentOnFrost, uint256 frostBought); uint256 internal constant DEFAULT_WEIGHT = 1; bool internal avalancheActive; bool public override active; uint256 public override frostSentToAvalanche; uint256 public override stakingFee; // 1 = 0.1%, default 10% uint256 public override roundRobinFee; // default to 500, 50% of staking Fee uint256 public override protocolFee; // default to 200, 20% of roundRobinFee modifier PoolActive(uint256 _pid) { require(poolInfo[_pid].active, "This Slope is inactive"); _; } modifier AvalancheActive { require(IAvalanche(avalancheAddress()).active(), "Slopes are not active"); _; } modifier SlopesActive { require(active, "Slopes are not active"); _; } modifier SlopesNotActive { require(!active, "Slopes are not active"); _; } constructor(address addressRegistry) public SlopesBase(addressRegistry) { stakingFee = 50; // 5% initial fee roundRobinFee = 500; protocolFee = 200; } receive() external payable {} function activate() external override OnlyLGE SlopesNotActive { active = true; _addInitialPools(); emit Activated(_msgSender()); } // Internal function that adds all of the pools that will be available at launch // enables flash loan lending on active pools function _addInitialPools() internal { _addPool( frostAddress(), frostPoolAddress(), true ); // FROST-ETH LP _addPool( 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, false ); // WETH _addPool( 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599, 0xBb2b8038a1640196FbE3e38816F3e67Cba72D940, false ); // WBTC _addPool( 0xdAC17F958D2ee523a2206206994597C13D831ec7, 0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852, false ); // USDT _addPool( 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48, 0xB4e16d0168e52d35CaCD2c6185b44281Ec28C9Dc, false ); // USDC _addPool( 0x6B175474E89094C44Da98b954EedeAC495271d0F, 0xA478c2975Ab1Ea89e8196811F51A7B7Ade33eB11, false ); // DAI _setLendingToken(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, true); _setLendingToken(0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599, true); _setLendingToken(0xdAC17F958D2ee523a2206206994597C13D831ec7, true); _setLendingToken(0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48, true); _setLendingToken(0x6B175474E89094C44Da98b954EedeAC495271d0F, true); } // Internal function to add a new LP Token pool function _addPool( address _token, address _lpToken, bool _lpStaked ) internal { uint256 weight = DEFAULT_WEIGHT; if (_token == frostAddress()) { weight = weight * 5; } uint256 lastReward = block.timestamp; if (_lpStaked) { tokenPools[_lpToken] = poolInfo.length; } else { tokenPools[_token] = poolInfo.length; } poolInfo.push( PoolInfo({ active: true, token: _token, lpToken: _lpToken, lpStaked: _lpStaked, weight: weight, lastReward: lastReward, totalShares: 0, totalStaked: 0, accFrostPerShare: 0, accTokenPerShare: 0 }) ); } function updatePool(uint256 _pid) external override HasPatrol("ADMIN") { _updatePool(_pid); } // Update reward variables of the given pool to be up-to-date. function _updatePool(uint256 _pid) internal SlopesActive { PoolInfo storage pool = poolInfo[_pid]; address frostAddress = frostAddress(); if (block.timestamp <= pool.lastReward || (_pid == 0 && avalancheActive)) { return; } if (pool.totalStaked == 0) { pool.lastReward = block.timestamp; return; } // calculate frost rewards to mint for this epoch if accumulating, // mint them to the contract for users to claim if (IFROST(frostAddress).accumulating()) { // Calculate the current FROST rewards for a specific pool // using fixed APR formula and Uniswap price uint256 frostReward; uint256 tokenPrice; if (pool.lpStaked) { tokenPrice = _getLpTokenPrice(pool.lpToken); frostReward = _calculatePendingRewards( pool.lastReward, pool.totalShares, tokenPrice, pool.weight ); } else { tokenPrice = _getTokenPrice(pool.token, pool.lpToken); uint256 adjuster = 18 - uint256(ERC20(pool.token).decimals()); uint256 adjustedShares = pool.totalShares * (10**adjuster); frostReward = _calculatePendingRewards( pool.lastReward, adjustedShares, tokenPrice, pool.weight ); } // if we hit the max supply here, ensure no overflow // epoch will be incremented from the token uint256 frostTotalSupply = IERC20(frostAddress).totalSupply(); if (frostTotalSupply.add(frostReward) >= IFROST(frostAddress).currentMaxSupply()) { frostReward = IFROST(frostAddress).currentMaxSupply().sub(frostTotalSupply); if (IFROST(frostAddress).currentEpoch() == 1) { poolInfo[0].active = false; avalancheActive = true; } } if (frostReward > 0) { // IFROST(frostAddress).mint(address(this), frostReward + avalancheSeed); IFROST(frostAddress).mint(address(this), frostReward); pool.accFrostPerShare = pool.accFrostPerShare.add(frostReward.mul(1e12).div(pool.totalShares)); pool.lastReward = block.timestamp; } } } // Internal view function to get the actual amount of tokens staked in the specified pool function _getPoolSupply(uint256 _pid) internal view returns (uint256 tokenSupply) { if (poolInfo[_pid].lpStaked) { tokenSupply = IERC20(poolInfo[_pid].lpToken).balanceOf(address(this)); } else { tokenSupply = IERC20(poolInfo[_pid].token).balanceOf(address(this)); } } // Deposits tokens in the specified pool to start earning the user FROST function deposit(uint256 _pid, uint256 _amount) external override { _deposit(_pid, msg.sender, _amount); } // internal deposit function, function _deposit( uint256 _pid, address _user, uint256 _amount ) internal NonZeroAmount(_amount) SlopesActive PoolActive(_pid) { // Accept deposit if (poolInfo[_pid].lpStaked) { IERC20(poolInfo[_pid].lpToken).safeTransferFrom(_user, address(this), _amount); } else { IERC20(poolInfo[_pid].token).safeTransferFrom(_user, address(this), _amount); } _updatePool(_pid); // Claim any pending FROST and Token Rewards _claim(_pid, _user); PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][_user]; // Calculate fees uint256 stakingFeeAmount = _amount.mul(stakingFee).div(1000); uint256 remainingUserAmount = _amount.sub(stakingFeeAmount); // get the user shares, virtual staked balance given by nft bonus // 1:1 token amount if no bonus uint256 userPoolShares = ILoyalty(loyaltyAddress()).getTotalShares(_user, remainingUserAmount); if (_pid == 0) { // The user is depositing to the FROST-ETH, send liquidity to vault _safeTokenTransfer( pool.lpToken, vaultAddress(), stakingFeeAmount ); } else { uint256 roundRobinAmount = stakingFeeAmount.mul(roundRobinFee).div(1000); uint256 protocolAmount = roundRobinAmount.mul(protocolFee).div(1000); // do the FROST buyback, route tx result directly to avalanche uint256 frostBought; if (pool.lpStaked) { uint256 ethReceived = address(this).balance; uint256 tokensReceived = IERC20(pool.token).balanceOf(address(this)); _removeLiquidityETH( stakingFeeAmount.sub(roundRobinAmount), pool.lpToken, pool.token ); ethReceived = address(this).balance.sub(ethReceived); // update for rewards tokensReceived = IERC20(pool.token).balanceOf(address(this)).sub(tokensReceived); // update token rewards ethReceived = ethReceived.add(_swapExactTokensForETH(tokensReceived, pool.token)); if (ethReceived > 0) { frostBought = _swapExactETHForTokens(ethReceived, frostAddress()); } } else { if (pool.token == wethAddress()) { _unwrapETH(stakingFeeAmount.sub(roundRobinAmount)); frostBought = _swapExactETHForTokens(stakingFeeAmount.sub(roundRobinAmount), frostAddress()); } else { uint256 ethReceived = _swapExactTokensForETH(stakingFeeAmount.sub(roundRobinAmount), pool.token); if (ethReceived > 0) { frostBought = _swapExactETHForTokens(ethReceived, frostAddress()); } } } // emit event, if (frostBought > 0) { frostSentToAvalanche += frostBought; _safeTokenTransfer( frostAddress(), avalancheAddress(), frostBought ); emit FrostPurchase(msg.sender, _amount, frostBought); } // apply round robin fee uint256 poolSupply = _getPoolSupply(_pid); pool.accTokenPerShare = pool.accTokenPerShare.add(roundRobinAmount.sub(protocolAmount).mul(1e12).div(poolSupply)); if (protocolAmount > 0) { IERC20(pool.token).safeTransfer(treasuryAddress(), protocolAmount); } } // Add tokens to user balance, update reward debts to reflect the deposit // bonus rewards only apply to FROST, so use shares for frost debt and staked for token debt uint256 _currentRewardDebt = user.shares.mul(pool.accFrostPerShare).div(1e12).sub(user.rewardDebt); uint256 _currentTokenRewardDebt = user.staked.mul(pool.accTokenPerShare).div(1e12).sub(user.tokenRewardDebt); user.staked = user.staked.add(remainingUserAmount); user.shares = user.shares.add(userPoolShares); pool.totalStaked = pool.totalStaked.add(remainingUserAmount); pool.totalShares = pool.totalShares.add(userPoolShares); user.rewardDebt = user.shares.mul(pool.accFrostPerShare).div(1e12).sub(_currentRewardDebt); user.tokenRewardDebt = user.staked.mul(pool.accTokenPerShare).div(1e12).sub(_currentTokenRewardDebt); emit Deposit(_user, _pid, _amount); } // Claim all earned FROST and token rewards from a single pool. function claim(uint256 _pid) external override { _updatePool(_pid); _claim(_pid, msg.sender); } // Internal function to claim earned FROST and tokens from slopes function _claim(uint256 _pid, address _user) internal SlopesActive { if (userInfo[_pid][_user].staked == 0) { return; } // calculate the pending frost rewards using virtual user shares uint256 userFrostPending = userInfo[_pid][_user].shares.mul(poolInfo[_pid].accFrostPerShare).div(1e12).sub(userInfo[_pid][_user].rewardDebt); if (userFrostPending > 0) { userInfo[_pid][_user].claimed = userInfo[_pid][_user].claimed.add(userFrostPending); userInfo[_pid][_user].rewardDebt = userInfo[_pid][_user].shares.mul(poolInfo[_pid].accFrostPerShare).div(1e12); _safeTokenTransfer( frostAddress(), _user, userFrostPending ); } // calculate the pending token rewards, use actual user stake // rewards will be denoted in token decimals, not 1e18 uint256 userTokenPending = userInfo[_pid][_user].staked.mul(poolInfo[_pid].accTokenPerShare).div(1e12).sub(userInfo[_pid][_user].tokenRewardDebt); if (userTokenPending > 0) { userInfo[_pid][_user].tokenClaimed = userInfo[_pid][_user].tokenClaimed.add(userTokenPending); userInfo[_pid][_user].tokenRewardDebt = userInfo[_pid][_user].staked.mul(poolInfo[_pid].accTokenPerShare).div(1e12); if (poolInfo[_pid].lpStaked) { _safeTokenTransfer( poolInfo[_pid].lpToken, _user, userTokenPending ); } else { _safeTokenTransfer( poolInfo[_pid].token, _user, userTokenPending ); } } if (userFrostPending > 0 || userTokenPending > 0) { emit Claim(_user, _pid, userFrostPending, userTokenPending); } } // external function to claim all rewards function claimAll() external override { _claimAll(msg.sender); } // loyalty contract calls this function to claim rewards for user // before gaining NFT boosts to prevent retroactive/postmortem rewards function claimAllFor(address _user) external override OnlyLoyalty { _claimAll(_user); } // Claim all earned FROST and Tokens from all pools, // reset share value after claim function _claimAll(address _user) internal SlopesActive { uint256 totalPendingFrostAmount = 0; uint256 length = poolInfo.length; uint256[] memory amounts = new uint256[](length); for (uint256 pid = 0; pid < length; pid++) { if (userInfo[pid][_user].staked > 0) { _updatePool(pid); UserInfo storage user = userInfo[pid][_user]; PoolInfo storage pool = poolInfo[pid]; uint256 accFrostPerShare = pool.accFrostPerShare; uint256 pendingPoolFrostRewards = user.shares.mul(accFrostPerShare).div(1e12).sub(user.rewardDebt); user.claimed += pendingPoolFrostRewards; totalPendingFrostAmount = totalPendingFrostAmount.add(pendingPoolFrostRewards); user.rewardDebt = user.shares.mul(accFrostPerShare).div(1e12); // update user shares to reset bonuses, only necessary in claimAll uint256 shares = ILoyalty(loyaltyAddress()).getTotalShares(_user, user.staked); if (shares > user.shares) { pool.totalShares = pool.totalShares.add(shares.sub(user.shares)); } else if (shares < user.shares) { pool.totalShares = pool.totalShares.sub(user.shares.sub(shares)); } user.shares = shares; // claim any token reward debt, use actual staked balance if (pid != 0) { address tokenAddress = pool.token; uint256 accTokenPerShare = pool.accTokenPerShare; // need to double check math on this for 1e6 tokens like USDC uint256 pendingPoolTokenRewards = user.staked.mul(accTokenPerShare).div(1e12).sub(user.tokenRewardDebt); user.tokenClaimed = user.tokenClaimed.add(pendingPoolTokenRewards); // totalPendingWETHAmount = totalPendingWETHAmount.add(pendingPoolWETHRewards); user.tokenRewardDebt = user.staked.mul(accTokenPerShare).div(1e12); // claim token rewards if (pendingPoolTokenRewards > 0) { _safeTokenTransfer(tokenAddress, _user, pendingPoolTokenRewards); amounts[pid] = pendingPoolTokenRewards; } } } } // claim FROST rewards if (totalPendingFrostAmount > 0) { _safeTokenTransfer( frostAddress(), _user, totalPendingFrostAmount ); } emit ClaimAll(_user, totalPendingFrostAmount, amounts); } // Withdraw LP tokens and earned FROST from Accumulation. // Withdrawing won't work until frostPoolActive == true function withdraw(uint256 _pid, uint256 _amount) external override { _withdraw(_pid, _amount, msg.sender); } function _withdraw(uint256 _pid, uint256 _amount, address _user) internal SlopesActive NonZeroAmount(_amount) HasStakedBalance(_pid, _user) { _updatePool(_pid); // Claim any pending FROST and Tokens _claim(_pid, _user); UserInfo storage user = userInfo[_pid][_user]; PoolInfo memory pool = poolInfo[_pid]; uint256 shares = ILoyalty(loyaltyAddress()).getTotalShares(_user, _amount); pool.totalShares = pool.totalShares.sub(shares); user.shares = user.shares.sub(shares); pool.totalStaked = pool.totalStaked.sub(_amount); user.staked = user.staked.sub(_amount); user.rewardDebt = user.shares.mul(pool.accFrostPerShare).div(1e12); // users frost debt by shares user.tokenRewardDebt = user.staked.mul(pool.accTokenPerShare).div(1e12); // taken in terms of tokens, not affected by boosts if (poolInfo[_pid].lpStaked) { _safeTokenTransfer(pool.lpToken, _user, _amount); } else { _safeTokenTransfer(pool.token, _user, _amount); } emit Withdraw(_user, _pid, _amount); } // Convenience function to allow users to migrate all of their staked FROST-ETH LP tokens // from Accumulation to the Avalanche staking contract after the max supply is hit. function migrate() external override AvalancheActive HasStakedBalance(0, msg.sender) { _updatePool(0); _claim(0, msg.sender); PoolInfo storage pool = poolInfo[0]; UserInfo storage user = userInfo[0][msg.sender]; uint256 amountToMigrate = user.staked; address avalancheAddress = avalancheAddress(); pool.totalShares = pool.totalShares.sub(user.shares); pool.totalStaked = pool.totalStaked.sub(user.staked); user.shares = 0; user.staked = 0; user.rewardDebt = 0; IERC20(pool.lpToken).safeApprove(avalancheAddress, 0); IERC20(pool.lpToken).safeApprove(avalancheAddress, amountToMigrate); IAvalanche(avalancheAddress).depositFor(address(this), msg.sender, amountToMigrate); emit Migrate(msg.sender, amountToMigrate); } function poolLength() external override view returns (uint256) { return poolInfo.length; } // Update reward variables for all pools. Be careful of gas spending! function massUpdatePools() external override { uint256 length = poolInfo.length; for (uint256 pid = 0; pid < length; pid++) { _updatePool(pid); } } // Add a new LP Token pool function addPool( address _token, address _lpToken, bool _lpStaked, uint256 _weight ) external override HasPatrol("ADMIN") { _addPool(_token, _lpToken, _lpStaked); if (_weight != DEFAULT_WEIGHT) { poolInfo[poolInfo.length-1].weight = _weight; } } // Update the given pool's APR function setWeight(uint256 _pid, uint256 _weight) external override HasPatrol("ADMIN") { _updatePool(_pid); poolInfo[_pid].weight = _weight; } function setActive(uint256 _pid, bool _active) external HasPatrol("ADMIN") { _updatePool(_pid); poolInfo[_pid].active = _active; } function getSlopesStats(address _user) external view returns (bool _active, bool _accumulating, uint[20][] memory _stats) { _active = active; _accumulating = IFROST(frostAddress()).accumulating(); _stats = new uint[20][](poolInfo.length); for (uint i = 0; i < poolInfo.length; i++) { _stats[i] = getPoolStats(_user, i); } } function getPoolStats(address _user, uint256 _pid) public view returns (uint[20] memory _pool) { PoolInfo storage pool = poolInfo[_pid]; UserInfo storage user = userInfo[_pid][_user]; _pool[0] = pool.active ? 1 : 0; _pool[1] = pool.weight * IFROST(frostAddress()).currentBaseRate(); _pool[2] = pool.lastReward; _pool[3] = pool.totalShares; _pool[4] = pool.totalStaked; _pool[5] = pool.accFrostPerShare; _pool[6] = pool.accTokenPerShare; _pool[7] = _getTokenPrice(pool.token, pool.lpToken); _pool[8] = _getLpTokenPrice(pool.lpToken); _pool[9] = stakingFee; _pool[10] = IERC20(pool.token).balanceOf(_user); _pool[11] = IERC20(pool.token).allowance(_user, address(this)); _pool[12] = IERC20(pool.lpToken).balanceOf(_user); _pool[13] = IERC20(pool.lpToken).allowance(_user, address(this)); _pool[14] = user.staked; _pool[15] = user.shares; _pool[16] = user.shares.mul(pool.accFrostPerShare).div(1e12).sub(user.rewardDebt); // pending frost rewards _pool[17] = user.staked.mul(pool.accTokenPerShare).div(1e12).sub(user.tokenRewardDebt); // pending token rewards _pool[18] = user.claimed; _pool[19] = user.tokenClaimed; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IERC20 } from "./IERC20.sol"; import { SafeERC20 } from "./SafeERC20.sol"; import { SafeMath } from "./SafeMath.sol"; import { LendingPoolBase } from "./LendingPoolBase.sol"; abstract contract SlopesBase is LendingPoolBase { using SafeMath for uint256; using SafeERC20 for IERC20; constructor(address addressRegistry) internal { _setAddressRegistry(addressRegistry); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { SnowPatrolBase } from "./SnowPatrolBase.sol"; import { ISnowPatrol } from "./ISnowPatrol.sol"; contract SnowPatrol is ISnowPatrol, SnowPatrolBase { bytes32 public override constant ADMIN_ROLE = keccak256("ADMIN"); bytes32 public override constant LGE_ROLE = keccak256("LGE"); bytes32 public override constant FROST_ROLE = keccak256("FROST"); bytes32 public override constant SLOPES_ROLE = keccak256("SLOPES"); bytes32 public override constant LODGE_ROLE = keccak256("LODGE"); constructor(address addressRegistry) public SnowPatrolBase(addressRegistry) { // make owner user the sole superuser _initializeRoles(msg.sender); _initializeAdmins(msg.sender); } // inititalize all default roles, make the contract the superuser function _initializeRoles(address _deployer) private { _setupRole(DEFAULT_ADMIN_ROLE, _deployer); _setupRole(ADMIN_ROLE, _deployer); _setupRole(LGE_ROLE, _deployer); _setupRole(FROST_ROLE, _deployer); _setupRole(SLOPES_ROLE, _deployer); _setupRole(LODGE_ROLE, _deployer); } // grant admin role to dev addresses function _initializeAdmins(address _deployer) private { grantRole(ADMIN_ROLE, _deployer); } function setCoreRoles() external override { require( hasRole(ADMIN_ROLE, msg.sender), "Only Admins can update contract roles" ); // if } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { AccessControl } from "./AccessControl.sol"; import { AddressBase } from "./AddressBase.sol"; abstract contract SnowPatrolBase is AccessControl, AddressBase { constructor(address addressRegistry) internal { _setAddressRegistry(addressRegistry); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { ERC20 } from './ERC20.sol'; import { IERC20 } from './IERC20.sol'; import { SafeERC20 } from './SafeERC20.sol'; import { SafeMath } from './SafeMath.sol'; import { IUniswapV2Pair } from './IUniswapV2Pair.sol'; import { IUniswapV2Router02 } from './IUniswapV2Router02.sol'; import { IAddressRegistry } from "./IAddressRegistry.sol"; import { IWETH } from "./IWETH.sol"; import { PatrolBase } from "./PatrolBase.sol"; abstract contract UniswapBase is PatrolBase { using SafeMath for uint256; using SafeERC20 for IERC20; uint256 public deadlineTime = 5 minutes; function _swapExactTokensForETH( uint256 _amount, address _token ) internal NonZeroTokenBalance(_token) NonZeroAmount(_amount) returns (uint256) { require( IERC20(_token).balanceOf(address(this)) >= _amount, "Not enough tokens to swap" ); address[] memory poolPath = new address[](2); poolPath[0] = address(_token); poolPath[1] = wethAddress(); uint256 balanceBefore = address(this).balance; address uniswapRouter = uniswapRouterAddress(); IERC20(_token).safeApprove(uniswapRouter, 0); IERC20(_token).safeApprove(uniswapRouter, _amount); IUniswapV2Router02(uniswapRouter).swapExactTokensForETHSupportingFeeOnTransferTokens( _amount, 0, poolPath, address(this), _getDeadline() ); return address(this).balance.sub(balanceBefore); } // swap eth for tokens, return amount of tokens bought function _swapExactETHForTokens( uint256 _amount, address _token ) internal NonZeroAmount(_amount) returns (uint256) { address[] memory frostPath = new address[](2); frostPath[0] = wethAddress(); frostPath[1] = _token; uint256 amountBefore = IERC20(_token).balanceOf(address(this)); address uniswapRouter = uniswapRouterAddress(); IERC20(wethAddress()).safeApprove(uniswapRouter, 0); IERC20(wethAddress()).safeApprove(uniswapRouter, _amount); IUniswapV2Router02(uniswapRouter) .swapExactETHForTokensSupportingFeeOnTransferTokens{ value: _amount }( 0, frostPath, address(this), _getDeadline() ); return IERC20(_token).balanceOf(address(this)).sub(amountBefore); } // swap exact tokens for tokens, always using weth as middle address function _swapExactTokensForTokens( uint256 _amount, address _tokenIn, address _tokenOut ) internal NonZeroTokenBalance(_tokenIn) returns (uint256) { address[] memory frostPath = new address[](3); frostPath[0] = _tokenIn; frostPath[1] = wethAddress(); frostPath[2] = _tokenOut; uint256 amountBefore = IERC20(_tokenOut).balanceOf(address(this)); address uniswapRouter = uniswapRouterAddress(); IERC20(_tokenIn).safeApprove(uniswapRouter, 0); IERC20(_tokenIn).safeApprove(uniswapRouter, _amount); IUniswapV2Router02(uniswapRouter).swapExactTokensForTokensSupportingFeeOnTransferTokens( _amount, 0, frostPath, address(this), _getDeadline() ); uint256 amountAfter = IERC20(_tokenOut).balanceOf(address(this)); return amountAfter.sub(amountBefore); } // add liquidity on uniswap with _ethAmount, _tokenAmount to _token // return # lpTokens received function _addLiquidityETH( uint256 _ethAmount, uint256 _tokenAmount, address _token ) internal NonZeroAmount(_ethAmount) NonZeroAmount(_tokenAmount) returns (uint256) { address uniswapRouter = IAddressRegistry(_addressRegistry).getUniswapRouter(); IERC20(_token).safeApprove(uniswapRouter, 0); IERC20(_token).safeApprove(uniswapRouter, _tokenAmount); ( , , uint256 lpTokensReceived) = IUniswapV2Router02(uniswapRouter).addLiquidityETH{value: _ethAmount}( _token, _tokenAmount, 0, 0, address(this), _getDeadline() ); return lpTokensReceived; } // remove liquidity from _token with owned _amount LP token _lpToken function _removeLiquidityETH( uint256 _amount, address _lpToken, address _token ) internal NonZeroAmount(_amount) { address uniswapRouter = uniswapRouterAddress(); IERC20(_lpToken).safeApprove(uniswapRouter, 0); IERC20(_lpToken).safeApprove(uniswapRouter, _amount); IUniswapV2Router02(uniswapRouter).removeLiquidityETHSupportingFeeOnTransferTokens( _token, _amount, 0, 0, address(this), _getDeadline() ); } function _unwrapETH(uint256 _amount) internal NonZeroAmount(_amount) { IWETH(wethAddress()).withdraw(_amount); } // internal view function to view price of any token in ETH function _getTokenPrice( address _token, address _lpToken ) public view returns (uint256) { if (_token == wethAddress()) { return 1e18; } uint256 tokenBalance = IERC20(_token).balanceOf(_lpToken); if (tokenBalance > 0) { uint256 wethBalance = IERC20(wethAddress()).balanceOf(_lpToken); uint256 adjuster = 36 - uint256(ERC20(_token).decimals()); // handle non-base 18 tokens uint256 tokensPerEth = tokenBalance.mul(10**adjuster).div(wethBalance); return uint256(1e36).div(tokensPerEth); // price in gwei of token } else { return 0; } } function _getLpTokenPrice(address _lpToken) public view returns (uint256) { return IERC20(wethAddress()).balanceOf(_lpToken).mul(2).mul(1e18).div(IERC20(_lpToken).totalSupply()); } function _getDeadline() internal view returns (uint256) { return block.timestamp + 5 minutes; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { IERC20 } from "./IERC20.sol"; import { Context } from "./Context.sol"; abstract contract UtilitiesBase is Context { modifier NonZeroAmount(uint256 _amount) { require( _amount > 0, "Amount must be greater than zero" ); _; } modifier NonZeroTokenBalance(address _address) { require( IERC20(_address).balanceOf(address(this)) > 0, "No tokens to transfer" ); _; } modifier NonZeroETHBalance(address _address) { require( address(this).balance > 0, "No ETH to transfer" ); _; } modifier OnlyOrigin { require( tx.origin == address(this), "Only origin contract can call this function" ); _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { VaultBase } from "./VaultBase.sol"; import { IERC20 } from "./IERC20.sol"; import { SafeERC20 } from "./SafeERC20.sol"; import { SafeMath } from "./SafeMath.sol"; contract Vault is VaultBase { using SafeMath for uint256; using SafeERC20 for IERC20; event VaultWithdrawal(address _user, address _token, uint256 _amount); mapping(uint256 => bool) checkpointWithdrawn; uint256 public lockEndTimestamp; uint256 public lockCheckpointOne; uint256 public lockCheckpointTwo; uint256 public lockCheckpointThree; uint256 public checkpointValue; modifier TimeLocked { require( block.timestamp >= lockEndTimestamp, "Vault timelock has not expired yet" ); _; } receive() payable external {} constructor(address _address) public VaultBase(_address) { lockEndTimestamp = block.timestamp + 120 days; lockCheckpointOne = block.timestamp + 30 days; lockCheckpointTwo = block.timestamp + 60 days; lockCheckpointThree = block.timestamp + 90 days; } // called once after LGE function setCheckpointValues() external HasPatrol("ADMIN") { require(checkpointValue == 0, "Checkpoint has already been set"); uint256 balance = IERC20(frostPoolAddress()).balanceOf(address(this)); checkpointValue = balance.mul(30).div(100); } function withdraw( address _token, uint256 _amount ) external TimeLocked HasPatrol("ADMIN") { if (address(this).balance > 0) { address(uint160(msg.sender)).transfer(address(this).balance); } IERC20(_token).safeTransfer(msg.sender, _amount); emit VaultWithdrawal(msg.sender, _token, _amount); } function checkpointWithdraw(uint256 _id) external HasPatrol("ADMIN") { if (_id == 1) { require(block.timestamp > lockCheckpointOne, "Too soon"); } else if ( _id == 2) { require(block.timestamp > lockCheckpointTwo, "Too soon"); } else if (_id == 3) { require(block.timestamp > lockCheckpointThree, "Too soon"); } else { return; } IERC20(frostPoolAddress()).safeTransfer(msg.sender, checkpointValue); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.12; import { PatrolBase } from "./PatrolBase.sol"; contract VaultBase is PatrolBase { constructor(address addressRegistry) public { _setAddressRegistry(addressRegistry); } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"lastPayout","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextEpochFrostReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"payoutNumber","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"}],"name":"recoverERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_payoutNumber","type":"uint256"}],"name":"rewardAtPayout","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_unstakingFee","type":"uint256"},{"internalType":"uint256","name":"_buybackAmount","type":"uint256"}],"name":"setUnstakingFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"timeUntilNextPayout","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalPendingFrost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unstakingFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"updatePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"shares","type":"uint256"},{"internalType":"uint256","name":"staked","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"},{"internalType":"uint256","name":"claimed","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"weight","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000f7ca0d26a8d8e2ae33fe2fc0e25e80961c1aaa2b
-----Decoded View---------------
Arg [0] : addressRegistry (address): 0xf7Ca0D26a8d8e2ae33FE2fC0e25e80961C1aaA2b
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000f7ca0d26a8d8e2ae33fe2fc0e25e80961c1aaa2b
Deployed Bytecode Sourcemap
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Swarm Source
ipfs://d273fe62debe1460f4fe6a2e8e6d41d91ef977e26f65e2ed5cd5e3460bbd7945
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ETH | 100.00% | $0.040087 | 805.0182 | $32.27 |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.