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| [submodule "dep"] | ||
| path = dep | ||
| url = https://github.com/Timidan/aave-minimal.git |
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| pragma solidity 0.6.12; | ||
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| import {IStaticATokenLM} from "../dep/protocol-v2/contracts/interfaces/IStaticATokenLM.sol"; | ||
| import {ILendingPool} from "../dep/protocol-v2/contracts/interfaces/ILendingPool.sol"; | ||
| import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; | ||
| import {IStakingFacet} from "./interfaces/IStakingFacet.sol"; | ||
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| contract StaticAmGHSTRouter { | ||
| ILendingPool public aaveLendingPool = ILendingPool(0x8dFf5E27EA6b7AC08EbFdf9eB090F32ee9a30fcf); | ||
| address constant stakingDiamond = 0xA02d547512Bb90002807499F05495Fe9C4C3943f; | ||
| IERC20 GHST = IERC20(0x385Eeac5cB85A38A9a07A70c73e0a3271CfB54A7); | ||
| address constant amGHST = 0x080b5BF8f360F624628E0fb961F4e67c9e3c7CF1; | ||
| address public wamGHSTPool; | ||
| uint256 constant MAX_UINT = type(uint256).max; | ||
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| constructor(address _wamGhstPoolAddress) public { | ||
| wamGHSTPool = _wamGhstPoolAddress; | ||
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| //approve lendingpool to spend GHST | ||
| GHST.approve(address(aaveLendingPool), MAX_UINT); | ||
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| //approve static wrapper contract to spend amGHST | ||
| IERC20(amGHST).approve(wamGHSTPool, MAX_UINT); | ||
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| //approve stk diamond to spend wAmGhst | ||
| IERC20(wamGHSTPool).approve(stakingDiamond, MAX_UINT); | ||
| } | ||
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| ///@notice Allow an address to wrap GHST and automatically deposit resulting wamGHST in the pool | ||
| ///@notice user can either provide GHST or amGHST directly | ||
| ///@param _amount Amount of incoming tokens, either GHST or wamGHST | ||
| ///@param _to Address to stake for | ||
| ///@param _underlying true if GHST is provided, false if amGHST is provided | ||
| function wrapAndDeposit( | ||
| uint256 _amount, | ||
| address _to, | ||
| bool _underlying | ||
| ) external { | ||
| if (_underlying) { | ||
| //transfer user GHST | ||
| require(GHST.transferFrom(msg.sender, address(this), _amount)); | ||
| //convert to amGHST | ||
| aaveLendingPool.deposit(address(GHST), _amount, address(this), 0); | ||
| } else { | ||
| //transfer user amGHST | ||
| require(IERC20(amGHST).transferFrom(msg.sender, address(this), _amount)); | ||
| } | ||
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| //convert to wamGHST | ||
| uint256 deposited = IStaticATokenLM(wamGHSTPool).deposit(address(this), _amount, 0, false); | ||
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| //forward tokens | ||
| IERC20(wamGHSTPool).transfer(_to, deposited); | ||
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| //convert to stkWAmGhst on behalf of address(this) | ||
| IStakingFacet(stakingDiamond).stakeIntoPoolForUser(wamGHSTPool, deposited, _to); | ||
| } | ||
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| ///@notice Allow an address to withdraw stkwamGHST from the staking pool | ||
| ///@notice user can either unwrap to amGHST or GHST directly | ||
| ///@param _amount Amount of tokens to unstake | ||
| ///@param _to Address to unstake for | ||
| ///@param _toUnderlying true if amGHST should be converted to GHST before sending back, false if amGHST should be sent back directly | ||
| function unwrapAndWithdraw( | ||
| uint256 _amount, | ||
| address _to, | ||
| bool _toUnderlying | ||
| ) external { | ||
| uint256 toWithdraw; | ||
| //get user wamGHST by burning stkWamGHST | ||
| IStakingFacet(stakingDiamond).withdrawFromPoolForUser(wamGHSTPool, _amount, _to); | ||
| //transfer to contract | ||
| require(IERC20(wamGHSTPool).transferFrom(_to, address(this), _amount)); | ||
| //Convert back to GHST | ||
| if (_toUnderlying) { | ||
| //convert wamGHST back to amGHST | ||
| (, toWithdraw) = IStaticATokenLM(wamGHSTPool).withdraw(address(this), _amount, false); | ||
| //convert amGHST to GHST and send directly | ||
| aaveLendingPool.withdraw(address(GHST), toWithdraw, _to); | ||
| } else { | ||
| //withdraw amGHST and send back | ||
| IStaticATokenLM(wamGHSTPool).withdraw(_to, _amount, false); | ||
| } | ||
| } | ||
| } |
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| pragma solidity 0.6.12; | ||
| pragma experimental ABIEncoderV2; | ||
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| interface IStakingFacet { | ||
| struct PoolInput { | ||
| address _poolAddress; | ||
| address _poolReceiptToken; //The receipt token for staking into this pool. | ||
| uint256 _rate; | ||
| string _poolName; | ||
| string _poolUrl; | ||
| } | ||
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| struct PoolStakedOutput { | ||
| address poolAddress; | ||
| string poolName; | ||
| string poolUrl; | ||
| uint256 rate; | ||
| uint256 amount; | ||
| } | ||
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| function addRateManagers(address[] memory rateManagers_) external; | ||
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| function bulkFrens(address[] memory _accounts) external view returns (uint256[] memory frens_); | ||
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| function bumpEpoch(address _account, uint256 _epoch) external; | ||
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| function claimTickets(uint256[] memory _ids, uint256[] memory _values) external; | ||
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| function convertTickets(uint256[] memory _ids, uint256[] memory _values) external; | ||
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| function currentEpoch() external view returns (uint256); | ||
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| function frens(address _account) external view returns (uint256 frens_); | ||
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| function getGhstUsdcPoolToken() external view returns (address); | ||
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| function getGhstWethPoolToken() external view returns (address); | ||
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| function getPoolInfo(address _poolAddress, uint256 _epoch) external view returns (PoolInput memory); | ||
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| function getStkGhstUsdcToken() external view returns (address); | ||
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| function getStkGhstWethToken() external view returns (address); | ||
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| function hasMigrated(address _account) external view returns (bool); | ||
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| function initiateEpoch(PoolInput[] memory _pools) external; | ||
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| function isRateManager(address account) external view returns (bool); | ||
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| function migrateToV2(address[] memory _accounts) external; | ||
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| function poolRatesInEpoch(uint256 _epoch) external view returns (PoolStakedOutput[] memory _rates); | ||
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| function removeRateManagers(address[] memory rateManagers_) external; | ||
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| function stakeGhst(uint256 _ghstValue) external; | ||
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| function stakeGhstUsdcPoolTokens(uint256 _poolTokens) external; | ||
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| function stakeGhstWethPoolTokens(uint256 _poolTokens) external; | ||
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| function stakeIntoPool(address _poolContractAddress, uint256 _amount) external; | ||
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| function stakePoolTokens(uint256 _poolTokens) external; | ||
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| function withdrawFromPoolForUser( | ||
| address _poolContractAddress, | ||
| uint256 _amount, | ||
| address _sender | ||
| ) external; | ||
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| function stakeIntoPoolForUser( | ||
| address _poolContractAddress, | ||
| uint256 _amount, | ||
| address _sender | ||
| ) external; | ||
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| function staked(address _account) | ||
| external | ||
| view | ||
| returns ( | ||
| uint256 ghst_, | ||
| uint256 poolTokens_, | ||
| uint256 ghstUsdcPoolToken_, | ||
| uint256 ghstWethPoolToken_ | ||
| ); | ||
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| function stakedInCurrentEpoch(address _account) external view returns (PoolStakedOutput[] memory _staked); | ||
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| function stakedInEpoch(address _account, uint256 _epoch) external view returns (PoolStakedOutput[] memory _staked); | ||
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| function ticketCost(uint256 _id) external pure returns (uint256 _frensCost); | ||
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| function updateRates(uint256 _currentEpoch, PoolInput[] memory _newPools) external; | ||
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| function userEpoch(address _account) external view returns (uint256); | ||
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| function withdrawFromPool(address _poolContractAddress, uint256 _amount) external; | ||
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| function withdrawGhstStake(uint256 _ghstValue) external; | ||
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| function withdrawGhstUsdcPoolStake(uint256 _poolTokens) external; | ||
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| function withdrawGhstWethPoolStake(uint256 _poolTokens) external; | ||
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| function withdrawPoolStake(uint256 _poolTokens) external; | ||
| } |
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