Created
July 21, 2020 18:19
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| ///-safemath, ownable, reentrancy,et.. | |
| //add proxy contracts below | |
| interface ZapInUniSwap2 { | |
| //updated zapIn parameters - replace slippage w/ _minPoolTokkenss | |
| function ZapIn( | |
| address _FromTokenContractAddress, | |
| address _ToUnipoolToken0, | |
| address _ToUnipoolToken1, | |
| uint256 _amount, | |
| uint256 _minPoolTokens) payable external returns(uint256); | |
| } | |
| //ZapIn(address _FromTokenContractAddress, address _ToUnipoolToken0, address _ToUnipoolToken1, uint256 _amount, uint256 _minPoolTokens); | |
| //updated Zapout | |
| interface ZapOutUniSwap2 { | |
| function ZapOut( | |
| address _ToTokenContractAddress, | |
| address _FromUniPoolAddress, | |
| uint256 _IncomingLP, | |
| uint256 _minTokensRec) payable external returns(uint256); | |
| } | |
| /** | |
| * WIP _ The UniSwapv2MinionProxy contract is an extension with goal of keeping Minion itself modular... | |
| */ | |
| contract MinionZap is Ownable, ReentrancyGuard{ | |
| ZapInUniSwap2 public zapIn; // 0x775ee938186fddc13bd7c89d24820e1b0758f91d | |
| ZapOutUniSwap2 public zapOut; //Zapper's Remove Liquidity K = 0x343e3a490c9251dc0eaa81da146ba6abe6c78b2d | |
| address public recipient; | |
| address rawETH = address(0); | |
| //has to be hardcoded to deploy, maybe better to let user input param? | |
| //uint256 public slippage; //= 500;//zapOut.defaultSlippage(); | |
| constructor(address _zapIn, address _zapOut, address _receipient) public { | |
| zapIn = ZapInUniSwap2(_zapIn); //0x775ee938186fddc13bd7c89d24820e1b0758f91d | |
| zapOut = ZapOutUniSwap2(_zapOut); // 0x343e3a490c9251dc0eaa81da146ba6abe6c78b2d | |
| recipient = _receipient; | |
| } | |
| // _FromTokenContractAddress => rawETH = addresss(0) - not hardcodig for test purposes. | |
| //maker dai 0x6b175474e89094c44da98b954eedeac495271d0f - token 0 | |
| //weth 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 - token 1 | |
| //amount = amount of eth to be exchanged | |
| function zapInUniSwap2Pool (address _FromTokenContractAddress, address _ToUnipoolToken0, address _ToUnipoolToken1, uint256 _amount, uint256 _minPoolTokens) public payable returns(uint256) { | |
| //move require statement for testing | |
| //require(msg.value == _amount); | |
| zapIn.ZapIn(_FromTokenContractAddress, _ToUnipoolToken0, _ToUnipoolToken1, _amount, _minPoolTokens); | |
| } | |
| //Integrate into ZapInUniSwap2Pool - IS THIS NEEDED TO ZAP OUT of UNISWAP? | |
| function approveLP (address _poolTokenAddress, address _zapContractAddress, uint256 _amount) public onlyOwner nonReentrant { | |
| //require(IERC20(_poolTokenAddress).approve(_zapContractAddress, _amount), "token approval failed"); | |
| IERC20(_poolTokenAddress).approve(_zapContractAddress, _amount); //less strict for testing | |
| } | |
| //// maker dai/weth pair 0xA478c2975Ab1Ea89e8196811F51A7B7Ade33eB11 - uniPool | |
| // alternate use WETH K instead of eth- 0c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 for _toTokenContractAddress | |
| // @notice This function is used to zapout of given Uniswap pair in ETH/ERC20 Tokens | |
| // @param _ToTokenContractAddress The ERC20 token to zapout in (address(0x00) if ether) | |
| // @param _FromUniPoolAddress The uniswap pair address to zapout from | |
| // @param _IncomingLP The amount of LP | |
| // @return the amount of eth/tokens received after zapout | |
| function zapOutUniSwap2Pool (address _FromUniPoolAddress, uint256 _IncomingLP, uint256 _minTokensRec ) public onlyOwner nonReentrant{ | |
| zapOut.ZapOut(rawETH, _FromUniPoolAddress, _IncomingLP, _minTokensRec); | |
| } | |
| //recipeint could. be a wallet or pool manager. | |
| //@param _recipient accepts erc20 tokens. Set by Owner/multisig | |
| function setTokenRecipient (address _recipient) public nonReentrant onlyOwner { | |
| recipient = _recipient; | |
| } | |
| //Need to be able to transfer tokens that the Minion withdraws from the LAO | |
| //@param _tokenAddress is the erc20 token contract | |
| //@param _amount = in wei format | |
| function moveTokens(address _tokenAdress,uint _amount) public nonReentrant onlyOwner { | |
| require(IERC20(_tokenAdress).transfer(recipient, _amount), "transfer failed"); | |
| } | |
| //add ownership to udpate slippage, zapin, zapout K addresses... | |
| function udpdateZapperSettings (address _zapIn, address _zapOut) public onlyOwner { | |
| zapIn = ZapInUniSwap2(_zapIn); | |
| zapOut = ZapOutUniSwap2(_zapOut); | |
| } | |
| function() external payable { } | |
| } |
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Thanks for taking a look -- idea is to zapIn/zapOut to a pool with ETH from a proxy contract. Members from a Moloch DAO/LAO would fund a proxy contract with ETH, and then the proxy contract would handle zapIn/zapOut