Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

import { SafeTransferLib } from "../lib/SafeTransferLib.sol";
import { IWETH9 } from "./interfaces/IWETH9.sol";
import { TSAggregator } from "./TSAggregator.sol";
import { IThorchainRouter } from "./interfaces/IThorchainRouter.sol";
import { IUniswapRouterV3 } from "./interfaces/IUniswapRouterV3.sol";

contract TSAggregatorUniswapV3 is TSAggregator {
    using SafeTransferLib for address;

    IWETH9 public weth;
    uint24 public poolFee;
    IUniswapRouterV3 public swapRouter;

    constructor(
        address _ttp, address _weth, address _swapRouter, uint24 _poolFee
    ) TSAggregator(_ttp) {
        weth = IWETH9(_weth);
        poolFee = _poolFee;
        swapRouter = IUniswapRouterV3(_swapRouter);
    }

    function swapIn(
        address tcRouter,
        address tcVault,
        string calldata tcMemo,
        address token,
        uint amount,
        uint amountOutMin,
        uint deadline
    ) public nonReentrant {
        tokenTransferProxy.transferTokens(token, msg.sender, address(this), amount);
        token.safeApprove(address(swapRouter), 0); // USDT quirk
        token.safeApprove(address(swapRouter), amount);

        uint amountOut = swapRouter.exactInputSingle(IUniswapRouterV3.ExactInputSingleParams({
            tokenIn: token,
            tokenOut: address(weth),
            fee: poolFee,
            recipient: address(this),
            deadline: deadline,
            amountIn: amount,
            amountOutMinimum: amountOutMin,
            sqrtPriceLimitX96: 0
        }));
        weth.withdraw(amountOut);

        amountOut = skimFee(amountOut);
        IThorchainRouter(tcRouter).depositWithExpiry{value: amountOut}(
            payable(tcVault),
            address(0), // ETH
            amountOut,
            tcMemo,
            deadline
        );
    }

    function swapOut(address token, address to, uint256 amountOutMin) public payable nonReentrant {
        uint256 amount = skimFee(msg.value);
        weth.deposit{value: amount}();
        address(weth).safeApprove(address(swapRouter), amount);
        swapRouter.exactInputSingle(IUniswapRouterV3.ExactInputSingleParams({
            tokenIn: address(weth),
            tokenOut: token,
            fee: poolFee,
            recipient: to,
            deadline: type(uint).max,
            amountIn: amount,
            amountOutMinimum: _parseAmountOutMin(amountOutMin),
            sqrtPriceLimitX96: 0
        }));
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @author Modified from Gnosis (https://github.com/gnosis/gp-v2-contracts/blob/main/src/contracts/libraries/GPv2SafeERC20.sol)
/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.
library SafeTransferLib {
    /*///////////////////////////////////////////////////////////////
                            ETH OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferETH(address to, uint256 amount) internal {
        bool callStatus;

        assembly {
            // Transfer the ETH and store if it succeeded or not.
            callStatus := call(gas(), to, amount, 0, 0, 0, 0)
        }

        require(callStatus, "ETH_TRANSFER_FAILED");
    }

    /*///////////////////////////////////////////////////////////////
                           ERC20 OPERATIONS
    //////////////////////////////////////////////////////////////*/

    function safeTransferFrom(
        address token,
        address from,
        address to,
        uint256 amount
    ) internal {
        bool callStatus;

        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata to memory piece by piece:
            mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000) // Begin with the function selector.
            mstore(add(freeMemoryPointer, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff)) // Mask and append the "from" argument.
            mstore(add(freeMemoryPointer, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Mask and append the "to" argument.
            mstore(add(freeMemoryPointer, 68), amount) // Finally append the "amount" argument. No mask as it's a full 32 byte value.

            // Call the token and store if it succeeded or not.
            // We use 100 because the calldata length is 4 + 32 * 3.
            callStatus := call(gas(), token, 0, freeMemoryPointer, 100, 0, 0)
        }

        require(didLastOptionalReturnCallSucceed(callStatus), "TRANSFER_FROM_FAILED");
    }

    function safeTransfer(
        address token,
        address to,
        uint256 amount
    ) internal {
        bool callStatus;

        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata to memory piece by piece:
            mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000) // Begin with the function selector.
            mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Mask and append the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Finally append the "amount" argument. No mask as it's a full 32 byte value.

            // Call the token and store if it succeeded or not.
            // We use 68 because the calldata length is 4 + 32 * 2.
            callStatus := call(gas(), token, 0, freeMemoryPointer, 68, 0, 0)
        }

        require(didLastOptionalReturnCallSucceed(callStatus), "TRANSFER_FAILED");
    }

    function safeApprove(
        address token,
        address to,
        uint256 amount
    ) internal {
        bool callStatus;

        assembly {
            // Get a pointer to some free memory.
            let freeMemoryPointer := mload(0x40)

            // Write the abi-encoded calldata to memory piece by piece:
            mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000) // Begin with the function selector.
            mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Mask and append the "to" argument.
            mstore(add(freeMemoryPointer, 36), amount) // Finally append the "amount" argument. No mask as it's a full 32 byte value.

            // Call the token and store if it succeeded or not.
            // We use 68 because the calldata length is 4 + 32 * 2.
            callStatus := call(gas(), token, 0, freeMemoryPointer, 68, 0, 0)
        }

        require(didLastOptionalReturnCallSucceed(callStatus), "APPROVE_FAILED");
    }

    /*///////////////////////////////////////////////////////////////
                         INTERNAL HELPER LOGIC
    //////////////////////////////////////////////////////////////*/

    function didLastOptionalReturnCallSucceed(bool callStatus) private pure returns (bool success) {
        assembly {
            // Get how many bytes the call returned.
            let returnDataSize := returndatasize()

            // If the call reverted:
            if iszero(callStatus) {
                // Copy the revert message into memory.
                returndatacopy(0, 0, returnDataSize)

                // Revert with the same message.
                revert(0, returnDataSize)
            }

            switch returnDataSize
            case 32 {
                // Copy the return data into memory.
                returndatacopy(0, 0, returnDataSize)

                // Set success to whether it returned true.
                success := iszero(iszero(mload(0)))
            }
            case 0 {
                // There was no return data.
                success := 1
            }
            default {
                // It returned some malformed input.
                success := 0
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

interface IWETH9 {
    function deposit() external payable;
    function withdraw(uint256) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

import { SafeTransferLib } from "../lib/SafeTransferLib.sol";
import { ReentrancyGuard } from "../lib/ReentrancyGuard.sol";
import { Owners } from "./Owners.sol";
import { TSAggregatorTokenTransferProxy } from './TSAggregatorTokenTransferProxy.sol';

abstract contract TSAggregator is Owners, ReentrancyGuard {
    using SafeTransferLib for address;

    event FeeSet(uint256 fee, address feeRecipient);

    uint256 public fee;
    address public feeRecipient;
    TSAggregatorTokenTransferProxy public tokenTransferProxy;

    constructor(address _tokenTransferProxy) {
        _setOwner(msg.sender, true);
        tokenTransferProxy = TSAggregatorTokenTransferProxy(_tokenTransferProxy);
    }

    // Needed for the swap router to be able to send back ETH
    receive() external payable {}

    function setFee(uint256 _fee, address _feeRecipient) external isOwner {
        require(_fee <= 1000, "fee can not be more than 10%");
        fee = _fee;
        feeRecipient = _feeRecipient;
        emit FeeSet(_fee, _feeRecipient);
    }

    function skimFee(uint256 amount) internal returns (uint256) {
        if (fee != 0 && feeRecipient != address(0)) {
            uint256 feeAmount = (amount * fee) / 10000;
            feeRecipient.safeTransferETH(feeAmount);
            amount -= feeAmount;
        }
        return amount;
    }

    // Parse amountOutMin treating the last 2 digits as an exponent
    // So 15e4 = 150000. This allows for compressed memos on chains
    // with limited space like Bitcoin
    function _parseAmountOutMin(uint256 amount) internal pure returns (uint256) {
      return amount / 100 * (10 ** (amount % 100));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

interface IThorchainRouter {
    function depositWithExpiry(
        address payable vault,
        address asset,
        uint amount,
        string memory memo,
        uint expiration
    ) external payable;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

interface IUniswapRouterV3 {
    struct ExactInputSingleParams {
        address tokenIn;
        address tokenOut;
        uint24 fee;
        address recipient;
        uint256 deadline;
        uint256 amountIn;
        uint256 amountOutMinimum;
        uint160 sqrtPriceLimitX96;
    }

    struct ExactInputParams {
        bytes path;
        address recipient;
        uint256 deadline;
        uint256 amountIn;
        uint256 amountOutMinimum;
    }

    function exactInputSingle(
        ExactInputSingleParams calldata params
    ) external returns (uint256 amountOut);

    function exactInput(
        ExactInputParams calldata params
    ) external returns (uint256 amountOut);
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Gas optimized reentrancy protection for smart contracts.
/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/utils/ReentrancyGuard.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/security/ReentrancyGuard.sol)
abstract contract ReentrancyGuard {
    uint256 private locked = 1;

    modifier nonReentrant() {
        require(locked == 1, "REENTRANCY");

        locked = 2;

        _;

        locked = 1;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

abstract contract Owners {
    event OwnerSet(address indexed owner, bool active);

    mapping(address => bool) public owners;

    modifier isOwner() {
        require(owners[msg.sender], "Unauthorized");
        _;
    }

    function _setOwner(address owner, bool active) internal virtual {
      owners[owner] = active;
      emit OwnerSet(owner, active);
    }

    function setOwner(address owner, bool active) external virtual isOwner {
      _setOwner(owner, active);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

import { SafeTransferLib } from "../lib/SafeTransferLib.sol";
import { Owners } from "./Owners.sol";

contract TSAggregatorTokenTransferProxy is Owners {
    using SafeTransferLib for address;

    constructor() {
        _setOwner(msg.sender, true);
    }

    function transferTokens(address token, address from, address to, uint256 amount) external isOwner {
        require(from == tx.origin || _isContract(from), "Invalid from address");
        token.safeTransferFrom(from, to, amount);
    }

    function _isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.
        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }
}

{
  "remappings": [
    "hardhat/=node_modules/hardhat/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_ttp","type":"address"},{"internalType":"address","name":"_weth","type":"address"},{"internalType":"address","name":"_swapRouter","type":"address"},{"internalType":"uint24","name":"_poolFee","type":"uint24"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"},{"indexed":false,"internalType":"address","name":"feeRecipient","type":"address"}],"name":"FeeSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"bool","name":"active","type":"bool"}],"name":"OwnerSet","type":"event"},{"inputs":[],"name":"fee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeRecipient","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"owners","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolFee","outputs":[{"internalType":"uint24","name":"","type":"uint24"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"},{"internalType":"address","name":"_feeRecipient","type":"address"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"bool","name":"active","type":"bool"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tcRouter","type":"address"},{"internalType":"address","name":"tcVault","type":"address"},{"internalType":"string","name":"tcMemo","type":"string"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"swapIn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amountOutMin","type":"uint256"}],"name":"swapOut","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"swapRouter","outputs":[{"internalType":"contract IUniswapRouterV3","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenTransferProxy","outputs":[{"internalType":"contract TSAggregatorTokenTransferProxy","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"contract IWETH9","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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