LendingAutomation.sol

lendingAutomation.sol

pragma solidity 0.6.12;

interface IComptroller {

    function callOnExtension(
        address,
        uint256,
        bytes calldata
    ) external;
}

interface IIntegrationManager {
    function addAuthUserForFund(address _comptrollerProxy, address _who) external;
}


contract LendingAutomation {
    address public constant integrationManager = 0x5B5100bFFFcd40A0f49cc7a01049Ab71699C3FB1;
    address public constant compoundAdapter = 0x0551C5f061C54f231Ad45ED0C768E7024a2e96bE;
    address public constant comptrollerProxyContract = 0x2F587dcc24b7D1f0F23BC0d20730D48713aC23d6;
    bytes4 public constant lendSelector = bytes4(keccak256("lend(address,bytes,bytes)"));

    constructor() public {}

    function compoundLend(
        address _cTokenAddress,
        uint256 _outgoingAssetAmount,
        uint256 _minIncomingAssetAmount
    ) public {
        uint256 actionId = 0;
        
        bytes memory compoundLendArgs = abi.encode(
            _cTokenAddress,
            _outgoingAssetAmount,
            _minIncomingAssetAmount
        );
        bytes memory callArgs = abi.encode(compoundAdapter, lendSelector, compoundLendArgs);
        
        IComptroller(comptrollerProxyContract).callOnExtension(
            integrationManager,
            actionId,
            callArgs
        );
    }
}