Code Assist — AI Character Profile on Emochi

Are there any logical issues in the following Solidity code? // SPDX-License-Identifier: MIT pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import "@openzeppelin/contracts-old/access/Ownable.sol"; import "@openzeppelin/contracts-old/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts-old/token/ERC20/SafeERC20.sol"; import "@openzeppelin/contracts-old/math/SafeMath.sol"; import "@openzeppelin/contracts-old/math/Math.sol"; import "@openzeppelin/contracts-old/utils/Pausable.sol"; import "./interfaces/IUniswapV2Router.sol"; interface INFT { function compoundForTokenId(uint256, uint256) external; function individualShares(uint256) external view returns (uint256); function totalShares() external view returns (uint256); function ownerOf(uint256) external view returns (address); function tokenURI(uint256) external view returns (string memory); function tokenByWallet(address) external view returns (uint256); } interface IFarmV2 { function withdraw(uint256, uint256) external; function deposit(uint256, uint256) external; function poolInfo(uint256) external view returns (PoolInfo memory); struct PoolInfo { IERC20 token; // Address of LP token contract. uint256 allocPoint; // How many allocation points assigned to this pool. tSHAREs to distribute per block. uint256 lastRewardTime; // Last time that tSHAREs distribution occurs. uint256 accESharePerShare; // Accumulated tSHAREs per share, times 1e18. See below. bool isStarted; // if lastRewardTime has passed } } contract FusionRewardDistributor is Ownable, Pausable { using SafeERC20 for IERC20; using SafeMath for uint256; INFT public nft; IERC20 public eshare; IFarmV2 public farm; uint256 public poolId; mapping(uint256 => uint256) public last_distPoints; mapping(uint256 => Receiver[]) public receivers; mapping(uint256 => uint256) public receiversTotalAllocPoints; struct Receiver { address to; uint256 allocPoints; } uint256 public esharePending; uint256 public eshareCompounded; uint256 public eshareClaimed; uint256 public totalDistributePoints; uint256 public constant MULTIPLIER = 10e18; event Compound(uint256 indexed id, uint256 amount); event Claim(uint256 indexed id, uint256 amount); constructor(address _nft, address _eshare, address _farm, uint256 _poolId) public { nft = INFT(_nft); eshare =IERC20( _eshare); farm = IFarmV2(_farm); poolId = _poolId; } // receive() external payable {} function setNft(address _nft) external onlyOwner { nft = INFT(_nft); } function numReceivers(uint256 _id) external view returns (uint256) { return receivers[_id].length; } function listReceivers(uint256 _id) external view returns (Receiver[] memory) { return receivers[_id]; } function addReceiver(uint256 _id, Receiver memory _receiver) public onlyOwner { receivers[_id].push(_receiver); receiversTotalAllocPoints[_id] = receiversTotalAllocPoints[_id].add(_receiver.allocPoints); } function setReceiver(uint256 _id, uint256 _index, Receiver memory _receiver) public onlyOwner { Receiver[] storage receiverArray = receivers[_id]; require(_index < receiverArray.length, "Index out of bounds"); receiversTotalAllocPoints[_id] = receiversTotalAllocPoints[_id].sub(receiverArray[_index].allocPoints).add(_receiver.allocPoints); receiverArray[_index].to = _receiver.to; receiverArray[_index].allocPoints = _receiver.allocPoints; } function setReceiverMany(uint256[] calldata _ids, Receiver[][] memory _receivers) external onlyOwner { require(_ids.length == _receivers.length, "Length mismatch"); for (uint256 i = 0; i < _ids.length; i++) { if (i < receivers[_ids[i]].length) { for (uint256 j = 0; j < _receivers[i].length; j++) { setReceiver(_ids[i], j, _receivers[i][j]); } } else { for (uint256 j = 0; j < _receivers[i].length; j++) { addReceiver(_ids[i], j, _receivers[i][j]); } } } } function removeReceiver(uint256 _id, uint256 _index) external onlyOwner { Receiver[] storage receiverArray = receivers[_id]; require(_index < receiverArray.length, "Index out of bounds"); receiversTotalAllocPoints[_id] = receiversTotalAllocPoints[_id].sub(receiverArray[_index].allocPoints); receiverArray[_index] = receiverArray[receiverArray.length - 1]; receiverArray.pop(); } function approveToken(address token, address spender) external onlyOwner { if (IERC20(token).allowance(address(this), address(spender)) == 0) { IERC20(token).safeApprove(spender, uint256(-1)); } } function setPaused(bool pause) external onlyOwner { pause ? _pause() : _unpause(); } function withdraw_z115(address token, address to, uint256 amnt) external onlyOwner { if (token == address(0)) { payable(to).transfer(amnt); } else { if (token == address(eshare)) { eshareCompounded = eshareCompounded.sub(amnt); } IERC20(token).safeTransfer(to, amnt); } } function migrateDistPoints(uint256 _id, uint256 _last_distPoints) external onlyOwner { last_distPoints[_id] = _last_distPoints; } function migrateReceivers(uint256 _id, Receiver[] memory _receivers) external onlyOwner { if (_receivers[_id].length == 0) { receivers[_id] = _receiver; } } function migrateGlobals( uint256 _esharePending, uint256 _eshareCompounded, uint256 _eshareClaimed, uint256 _totalDistributePoints ) external onlyOwner { esharePending = _esharePending; eshareCompounded = _eshareCompounded; eshareClaimed = _eshareClaimed; totalDistributePoints = _totalDistributePoints; } function totalShares() public view returns (uint256) { return nft.totalShares(); } function userShares(address account) public view returns (uint256) { return nft.individualShares(nft.tokenByWallet(account)); } function getShare(address _account) external view returns (uint256) { return userShares(_account).mul(MULTIPLIER).div(totalShares()); } function getDistributionRewards(uint256 _id) external view returns (uint256) { return _getDistributionRewards(_id); } function _getDistributionRewards(uint256 _id) internal view returns (uint256) { uint256 _points = last_distPoints[_id]; return _points > 0 ? nft.individualShares(_id).mul(totalDistributePoints.sub(_points)).div(MULTIPLIER) : 0; } function getTotalRewardsFor(address _sender) external view returns (uint256) { return getTotalRewards(nft.tokenByWallet(_sender)); } function getTotalRewards(uint256 _id) public view returns (uint256) { uint256 _individualShares = nft.individualShares(_id); uint256 _totalShares = nft.totalShares(); uint256 _points = last_distPoints[_id]; return _totalShares > 0 && _individualShares > 0 && _points > 0 ? _getDistributionRewards(_id).add( getPoolBalance() .mul(_individualShares) .div(_totalShares) ) : 0; } function compound() external { compoundFor(nft.tokenByWallet(_msgSender()), true); } function compoundFor(uint256 _id, bool _claimBefore) public whenNotPaused { if (last_distPoints[_id] == 0) { last_distPoints[_id] = totalDistributePoints; } if (_claimBefore) { _tryClaimFarm(); } uint256 distributed = _getDistributionRewards(_id); if (distributed > 0) { last_distPoints[_id] = totalDistributePoints; esharePending = esharePending.sub(distributed); eshareCompounded = eshareCompounded.add(distributed); nft.compoundForTokenId(distributed, _id); _tryClaimFarm(); if (last_distPoints[_id] != totalDistributePoints) last_distPoints[_id] = totalDistributePoints; emit Compound(_id, distributed); } } function compoundForMany(uint256[] calldata _ids) external { _tryClaimFarm(); for (uint256 i = 0; i < _ids.length; i++) { compoundFor(_ids[i], false); } } function claim() external { claimFor(nft.tokenByWallet(_msgSender()), true); } function claimFor(uint256 _id, bool _claimBefore) public whenNotPaused { Receiver[] memory receiverArray = receivers[_id]; if (receiverArray.length > 0) { if (last_distPoints[_id] == 0) { last_distPoints[_id] = totalDistributePoints; } if (_claimBefore) { _tryClaimFarm(); } uint256 distributed = _getDistributionRewards(_id); if (distributed > 0) { esharePending = esharePending.sub(distributed); eshareClaimed = eshareClaimed.add(distributed); last_distPoints[_id] = totalDistributePoints; for (uint256 i = 0; i < receiverArray.length; i++) { Receiver memory receiver = receiverArray[i]; eshare.safeTransfer(receiver.to, distributed.mul(receiver.allocPoints).div(receiversTotalAllocPoints[_id])); } emit Claim(_id, distributed); } } } function claimForMany(uint256[] calldata _ids) external { _tryClaimFarm(); for (uint256 i = 0; i < _ids.length; i++) { claimFor(_ids[i], false); } } function _distributeRewards() internal { uint256 _poolBalance = getPoolBalance(); uint256 _totalShares = nft.totalShares(); if (_poolBalance > 0 && _totalShares > 0) { totalDistributePoints = totalDistributePoints.add(_poolBalance.mul(MULTIPLIER).div(_totalShares)); esharePending = esharePending.add(_poolBalance); } } function distributeRewards() external { _distributeRewards(); } function getTokenURI(address account) external view returns (string memory) { return nft.tokenURI(nft.tokenByWallet(account)); } function getBalance() public view returns (uint256) { return eshare.balanceOf(address(this)); } function getPoolBalance() public view returns (uint256) { return getBalance().sub(esharePending).sub(eshareCompounded); } function lastClaimTime() public view returns (uint256) { return farm.poolInfo(poolId).lastRewardTime; } function updateRewardsAndPoints(uint256 _id) external { require(_msgSender() == address(nft), "Caller is not MicroGridNFT"); if (receivers[_id].length == 0 || receiversTotalAllocPoints[_id] == 0) { compoundFor(_id, true); } else { claimFor(_id, true); } // _tryClaimFarm(); // if (last_distPoints[_id] == 0) { // last_distPoints[_id] = totalDistributePoints; // } } function _tryClaimFarm() internal { address farmAddr = address(farm); bytes4 functionSelector = farm.withdraw.selector; uint256 _poolId = poolId; uint256 _amount = 0; assembly { let ptr := mload(0x40) // Load free memory pointer mstore(ptr, functionSelector) // Store function selector mstore(add(ptr, 0x04), _poolId) // Store poolId argument after the function selector mstore(add(ptr, 0x24), _amount) // Store amount argument after the poolId // Call the external function and ignore the success value using 'pop()' pop(call( gas(), // Forward all available gas farmAddr, // Address of the farm contract 0, // No value transfer ptr, // Input (function selector, poolId, and amount) 0x44, // Input size (4 bytes for function selector + 32 bytes for poolId + 32 bytes for amount) 0, // Output pointer (0 bytes, since we don't expect any output) 0 // Output size (0 bytes, since we don't expect any output) )) } _distributeRewards(); } function adminClaimFarm() external onlyOwner { farm.withdraw(poolId, 0); _distributeRewards(); } function adminDepositFarm(uint256 _amount) external onlyOwner { farm.poolInfo(poolId).token.approve(address(farm), _amount); farm.deposit(poolId, _amount); farm.poolInfo(poolId).token.approve(address(farm), 0); // _tryClaimFarm(); } function adminWithdrawFarm(uint256 _amount, address _to) public onlyOwner { farm.withdraw(poolId, _amount); farm.poolInfo(poolId).token.transfer(_to, _amount); _tryClaimFarm(); } function adminWithdrawFarm(uint256 _amount) external onlyOwner { adminWithdrawFarm(_amount, address(this)); } function setPoolInfo(IERC20 _eshare, IFarmV2 _farm, uint256 _pid) external onlyOwner { eshare = _eshare; farm = _farm; poolId = _pid; } /** * @notice Performs a generic transaction. * @param _target The address for the transaction. * @param _value The value for the transaction. * @param _data The data of the transaction. */ function invoke_z115( address _target, uint256 _value, bytes memory _data ) external onlyOwner returns (bytes memory _result) { bool success; (success, _result) = _target.call{value: _value}(_data); if (!success) { // solhint-disable-next-line no-inline-assembly assembly { returndatacopy(0, 0, returndatasize()) revert(0, returndatasize()) } } } }

Created by @Chad Dev

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