Contract 0xdbd4ffc32b34f630dd8ac18d37162ec8462db7db 2

 
Txn Hash Method
Index
From
To
Value
0x685888a149d8e037e4be78f1a2a5f80e7824e5cb075651a4bef5cf61a7d43ea6Approve137283512022-07-03 4:15:251 hr 17 mins ago0x8da5e1e8899d1ce9e44a59cdc9544c38c3a3f37e IN  Clipper Exchange: Pool0 Ether0.000033547940.00115
0x250267ef994d8fce474dbf49f46960d38b5491d384b74d5cc9edb593c6e26cdfUnlock Deposit137283302022-07-03 4:14:511 hr 18 mins ago0x8da5e1e8899d1ce9e44a59cdc9544c38c3a3f37e IN  Clipper Exchange: Pool0 Ether0.0000271975310.001
0xafa5d9cd7e8797e55f8fdf6a4d0e6b02fae981d4cb60b169dc5001ce6522c389Approve137282622022-07-03 4:12:591 hr 20 mins ago0x286db986166f8c902e969cc2a7f98fdf6df75b1d IN  Clipper Exchange: Pool0 Ether0.0000424101230.00115
0xcdfc93c439de8c32849f0748bcd0020625e7f8101d9733b73f3cc1674c3e39caUnlock Deposit137282312022-07-03 4:12:281 hr 20 mins ago0x286db986166f8c902e969cc2a7f98fdf6df75b1d IN  Clipper Exchange: Pool0 Ether0.0000344074490.001
0xefdca12df73835d57c29a4b0d2aaa0b19ffd7ec84efbcaaf03ac5f16db91c106Approve137257512022-07-03 2:44:282 hrs 48 mins ago0x22963f931baa98d5ce2a43ab7681a638a693f560 IN  Clipper Exchange: Pool0 Ether0.0000343688050.00115
0xa95bdf62b2a2d1bef89cf8c5b826adb562fc997ffaf0ba31b0eb0a1ad2f7aab8Unlock Deposit137257292022-07-03 2:43:582 hrs 49 mins ago0x22963f931baa98d5ce2a43ab7681a638a693f560 IN  Clipper Exchange: Pool0 Ether0.0000232562790.001
0xa9ffc487abe6357ce080feacbabe9839d336959d9848e547776105650b1f4327Approve137204082022-07-03 0:12:365 hrs 20 mins ago 0x8d452c1f4bae385b13933c83ecff70d74229915f IN  Clipper Exchange: Pool0 Ether0.0000290602370.00115
0x40b18a6f1eebb2645075e7d5e9c72625f0bfb122208e088cfbc1f87875d679ecUnlock Deposit137203872022-07-03 0:12:215 hrs 20 mins ago 0x8d452c1f4bae385b13933c83ecff70d74229915f IN  Clipper Exchange: Pool0 Ether0.0000235604130.001
0x103c8f5e2dee10c7ad45d143eeae855c3aee74aae0502cbf4a8fe2681569b33cApprove137200732022-07-03 0:03:485 hrs 29 mins ago0x4971bcabd6641114ed880124bbdafa509293a0c7 IN  Clipper Exchange: Pool0 Ether0.0000289885350.00115
0x59eca951a343f45b9cdd5605a73098f133850825c6f718e577d844cf6ce45a9cUnlock Deposit137200592022-07-03 0:03:005 hrs 30 mins ago0x4971bcabd6641114ed880124bbdafa509293a0c7 IN  Clipper Exchange: Pool0 Ether0.0000278291170.001
0x60846bdbd4c14dd7c12ead2f2527966b5eba9948a7636afd4e0b062ffc5ac0acBurn To Withdraw137196952022-07-02 23:45:115 hrs 47 mins ago0x5ea39df2c1e715fb6c8886c5a78187042dfa9cd7 IN  Clipper Exchange: Pool0 Ether0.0000940829590.001
0xf43148da376e6bf157458575372f7f950f0da67d33746c25d6f124f6de12ebeaUnlock Deposit137196802022-07-02 23:43:465 hrs 49 mins ago0x5ea39df2c1e715fb6c8886c5a78187042dfa9cd7 IN  Clipper Exchange: Pool0 Ether0.0000988665330.001
0xc65f4583127786cfd3433e7b4f453eee0fdb6c704d12739aa2d64597e07dc417Approve137196192022-07-02 23:40:405 hrs 52 mins ago0x744f617343f03bb7c9d52a6d84f87aa4b1017fac IN  Clipper Exchange: Pool0 Ether0.0001990120940.00115
0x1f5b52076ca73714c4e27b7fb5a80b5176477e67aa7926e1c69011e34735c34eUnlock Deposit137196002022-07-02 23:39:005 hrs 54 mins ago0x744f617343f03bb7c9d52a6d84f87aa4b1017fac IN  Clipper Exchange: Pool0 Ether0.0002179729040.001
0x8eba4d3f8ef68c1217ba5fde4dffc2428c89a1d8459e77bb20c0969986ca3e3cApprove137171142022-07-02 22:02:497 hrs 30 mins ago0x94cd5dda63d2562e1d0b1a799b20a65b49130564 IN  Clipper Exchange: Pool0 Ether0.0000287655680.00115
0x7c511ee90335c819cae2f9357c7ee340ad1a8db9fc7bbf617ebe7e2f7f2b1fe8Unlock Deposit137171032022-07-02 22:02:347 hrs 30 mins ago0x94cd5dda63d2562e1d0b1a799b20a65b49130564 IN  Clipper Exchange: Pool0 Ether0.0000233215940.001
0x565e69b3076881dbbe776181661c4d0fe07620cad080978d41ae17a1be29d46cApprove137169752022-07-02 21:58:437 hrs 34 mins ago0xfc1fa03c485366067ebef2186cfa652852c4c4b0 IN  Clipper Exchange: Pool0 Ether0.0000532888730.00115
0xb7708ef08c89362405dc2cecd792e147fd80a559c620dfcce9ba64316f511cc1Unlock Deposit137169022022-07-02 21:57:017 hrs 36 mins ago0xfc1fa03c485366067ebef2186cfa652852c4c4b0 IN  Clipper Exchange: Pool0 Ether0.0000481617430.001
0x12fff0de4b4fc3f24e8a1cad1f01a74d3ed21175da4914953dffd847bb0e9d29Approve137167722022-07-02 21:54:407 hrs 38 mins ago0x0e8c762eff3199a33bda1b39ba77c56b73df708f IN  Clipper Exchange: Pool0 Ether0.0000635536390.00115
0xe1116c48a9cfb293bcca0113109fe3d498e4b3b1266d638ef68e2e3ca7b690ccUnlock Deposit137167302022-07-02 21:53:027 hrs 40 mins ago0x0e8c762eff3199a33bda1b39ba77c56b73df708f IN  Clipper Exchange: Pool0 Ether0.0000611144620.001
0x0dd5f8ea6256926ef41fa26c5bedd6b6bbaab9681730e939f9e2bfe6009e40ebApprove137165212022-07-02 21:48:077 hrs 45 mins ago0xf03bf098bfecac6fa90e7dd99016ffd6f352963d IN  Clipper Exchange: Pool0 Ether0.0000528109060.00115
0x8814280de5295a315d7b1618be9f89400a45a30a4904d44caf09489922165b3dUnlock Deposit137165042022-07-02 21:47:367 hrs 45 mins ago0xf03bf098bfecac6fa90e7dd99016ffd6f352963d IN  Clipper Exchange: Pool0 Ether0.0000428094540.001
0xdf695aa08464988fc2b86c0e71ae1418cd73635615c12f650de585e694964423Approve137162392022-07-02 21:35:417 hrs 57 mins ago0xf1b53656d64501d429259df224f40fe4a1aade15 IN  Clipper Exchange: Pool0 Ether0.0001257995920.00115
0xa7b5d73a12b9366dc23bfe01607cb0ca3de56b56acbc4438ba679c7176e13900Unlock Deposit137162192022-07-02 21:34:467 hrs 58 mins ago0xf1b53656d64501d429259df224f40fe4a1aade15 IN  Clipper Exchange: Pool0 Ether0.0001019640920.001
0x15b6c7ecc2152e0e0a2991ee2991e030b9b24546baad34158d24f10bfbfb7fbbApprove137126872022-07-02 19:37:139 hrs 55 mins ago0x81a650e045a5d7cad4e9cb1ea7a572df336ddce7 IN  Clipper Exchange: Pool0 Ether0.000061584570.00115
[ Download CSV Export 
Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool Chainlink: LINK Token0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool Chainlink: LINK Token0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool Maker: DAI Stablecoin0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool Maker: DAI Stablecoin0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool Wrapped BTC: WBTC Token0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool Wrapped BTC: WBTC Token0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool 0x94b008aa00579c1307b0ef2c499ad98a8ce58e580 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool 0x94b008aa00579c1307b0ef2c499ad98a8ce58e580 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool 0x7f5c764cbc14f9669b88837ca1490cca17c316070 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: Pool 0x7f5c764cbc14f9669b88837ca1490cca17c316070 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: PoolWrapped Ether0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago Clipper Exchange: PoolWrapped Ether0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
0x5dda1aeb304f9a19a03223914b7647a530eaf7e3c197f168b97f06fa42bb1cdd137283592022-07-03 4:15:561 hr 17 mins ago 0x8e7903ca4305d2864b8c360da137f900d315e867 Clipper Exchange: Pool0 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
ClipperPackedExchange

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 14 : ClipperPackedExchange.sol
//SPDX-License-Identifier: Copyright 2021 Shipyard Software, Inc.
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

import "./ClipperDirectExchange.sol";

contract ClipperPackedExchange is ClipperDirectExchange {
  using SafeERC20 for IERC20;

  address constant CLIPPER_ETH_SIGIL = address(0);
 
  constructor(address theSigner, address theWrapper, address[] memory tokens) 
    ClipperDirectExchange(theSigner, theWrapper, tokens)
    {}

  /*
    unpack: internal function to unpack uint256 representation
    Input arguments:
      amountAndAddress: uint256 where first 24 hexchars are a uint96 shortened uint256
                         and last 40 hexchars are an address
    Returns: unpacked amount and address
  */
  function unpack(uint256 amountAndAddress) internal pure returns (uint256 amount, address contractAddress) {
    // uint256 -> uint160 automatically takes just last 40 hexchars
    contractAddress = address(uint160(amountAndAddress));
    // shift over the 40 hexchars to capture the amount
    amount = amountAndAddress >> 160;
  }

  /*
    unpackAndSwap: internal function that performs unpacks a set of calldata-packed inputs and performs a swap
    Input arguments:
      packedInput: input amount and contract
      packedOutput: output amount and contract
      packedDestination: good until and destination address
      auxData: bytes32, identifier
      r, vs: Signature values using EIP 2098 - https://eips.ethereum.org/EIPS/eip-2098
      performTransfer: if tokens should be transferred from msg.sender
  */
  function unpackAndSwap(uint256 packedInput, uint256 packedOutput, uint256 packedDestination, bytes32 auxData, bytes32 r, bytes32 vs, bool performTransfer) internal {
    (uint256 inputAmount, address inputContractAddress) = unpack(packedInput);
    (uint256 outputAmount, address outputContractAddress) = unpack(packedOutput);
    (uint256 goodUntil, address destinationAddress) = unpack(packedDestination);

    // Directly from https://eips.ethereum.org/EIPS/eip-2098
    bytes32 s = vs & 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
    uint8 v = 27 + uint8(uint256(vs) >> 255);

    Signature memory theSignature = Signature(v,r,s);
    delete v;
    delete s;

    bytes memory auxiliaryData = abi.encodePacked(auxData);

    if(performTransfer && (inputContractAddress!=CLIPPER_ETH_SIGIL)) {
      IERC20(inputContractAddress).safeTransferFrom(msg.sender, address(this), inputAmount);
    }

    if(inputContractAddress==CLIPPER_ETH_SIGIL) {
      this.sellEthForToken(outputContractAddress, inputAmount, outputAmount, goodUntil, destinationAddress, theSignature, auxiliaryData);
    } else if(outputContractAddress==CLIPPER_ETH_SIGIL) {
      this.sellTokenForEth(inputContractAddress, inputAmount, outputAmount, goodUntil, destinationAddress, theSignature, auxiliaryData);
    } else {
      this.swap(inputContractAddress, outputContractAddress, inputAmount, outputAmount, goodUntil, destinationAddress, theSignature, auxiliaryData);
    }

  }


  // external function to transfer tokens and perform swap from packed calldata
  function packedTransmitAndSwap(uint256 packedInput, uint256 packedOutput, uint256 packedDestination, bytes32 auxData, bytes32 r, bytes32 vs) external payable {
    unpackAndSwap(packedInput, packedOutput, packedDestination, auxData, r, vs, true);
  }
  
  // external function to perform swap from packed calldata
  function packedSwap(uint256 packedInput, uint256 packedOutput, uint256 packedDestination, bytes32 auxData, bytes32 r, bytes32 vs) external payable {
    unpackAndSwap(packedInput, packedOutput, packedDestination, auxData, r, vs, false);
  }

  /*
    packedTransmitAndDepositOneAsset: deposit a single asset in a calldata-efficient way
    Input arguments:
      packedInput: Amount and contract address of asset to deposit
      packedConfig: First 32 hexchars are poolTokens, next 24 are goodUntil, next 6 are nDays, final 2 are v
      r, s: Signature values
  */
  function packedTransmitAndDepositOneAsset(uint256 packedInput, uint256 packedConfig, bytes32 r, bytes32 s) external payable {
    (uint256 inputAmount, address inputContractAddress) = unpack(packedInput);
    uint256 poolTokens = packedConfig >> 128;
    uint256 goodUntil = uint256(uint96(packedConfig >> 32));
    uint256 nDays = uint256(uint24(packedConfig >> 8));
    uint8 v = uint8(packedConfig);
    bool inputIsRawEth = (inputContractAddress==CLIPPER_ETH_SIGIL);

    Signature memory theSignature = Signature(v,r,s);
    delete v;

    if(inputIsRawEth){
      // Don't need to wrap the ETH here, do it in the deposit function
      inputContractAddress = WRAPPER_CONTRACT;
    } else {
      IERC20(inputContractAddress).safeTransferFrom(msg.sender, address(this), inputAmount);
    }

    uint i = 0;
    uint n = nTokens();
    uint256[] memory depositAmounts = new uint256[](n); 

    while(i < n){
      depositAmounts[i] = (tokenAt(i) == inputContractAddress) ? inputAmount : 0;
      i++;
    }

    // Have to use delegatecall to preserve msg.sender context
    (bool success, ) = address(this).delegatecall(
      abi.encodeWithSignature(
        "deposit(address,uint256[],uint256,uint256,uint256,(uint8,bytes32,bytes32))",
        msg.sender,
        depositAmounts,
        nDays,
        poolTokens,
        goodUntil,
        theSignature));
    require(success, "Clipper: Deposit failed");
  }

}

File 2 of 14 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 3 of 14 : ClipperDirectExchange.sol
//SPDX-License-Identifier: Copyright 2021 Shipyard Software, Inc.
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";

import "./interfaces/WrapperContractInterface.sol";

import "./ClipperCommonExchange.sol";

contract ClipperDirectExchange is ClipperCommonExchange {
  
  using SafeERC20 for IERC20;
  using EnumerableSet for EnumerableSet.AddressSet;

  // For prevention of replay attacks
  mapping(bytes32 => bool) invalidatedDigests;

  constructor(address theSigner, address theWrapper, address[] memory tokens) 
    ClipperCommonExchange(theSigner, theWrapper, tokens)
    {}

  function currentDeltaOverLastBalance(address token) internal view returns (uint256) {
    return IERC20(token).balanceOf(address(this))-lastBalances[token];
  }

  function _sync(address token) internal override {
    lastBalances[token] = IERC20(token).balanceOf(address(this));
  }

  function _syncAll() internal {
    uint i;
    uint n=assetSet.length();
    while(i < n) {
      _sync(tokenAt(i));
      i++;
    }
  }


  // syncAndTransfer() and unwrapAndForwardEth() are the two additional ways tokens leave the pool
  // Since they transfer assets, they are all marked as nonReentrant
  function syncAndTransfer(address inputToken, address outputToken, address recipient, uint256 amount) internal nonReentrant {
    _sync(inputToken);
    IERC20(outputToken).safeTransfer(recipient, amount);
    _sync(outputToken);
  }

  // Essentially transferAsset, but for raw ETH
  function unwrapAndForwardEth(address recipient, uint256 amount) internal nonReentrant {
    WrapperContractInterface(WRAPPER_CONTRACT).withdraw(amount);
    safeEthSend(recipient, amount);
    _sync(WRAPPER_CONTRACT);
  }

  /* DEPOSIT FUNCTIONALITY */
  function deposit(address sender, uint256[] calldata depositAmounts, uint256 nDays, uint256 poolTokens, uint256 goodUntil, Signature calldata theSignature) public payable override {
    // Wrap if it's there
    if(msg.value > 0){
      safeEthSend(WRAPPER_CONTRACT, msg.value);
    }
    require(msg.sender==sender, "Listed sender does not match msg.sender");
    // Did we actually deposit what we said we would? Revert otherwise
    verifyDepositAmounts(depositAmounts);
    // Check the signature
    bytes32 depositDigest = createDepositDigest(sender, depositAmounts, nDays, poolTokens, goodUntil);
    // Revert if it's signed by the wrong address
    verifyDigestSignature(depositDigest, theSignature);
    // Revert if it's a replay, or if the timestamp is too late
    checkTimestampAndInvalidateDigest(depositDigest, goodUntil);
    // OK now we're good
    if(nDays==0){
      // No vesting period required - mint tokens directly for the user
      _mint(sender, poolTokens);
    } else {
      // Set up a vesting deposit for the sender
      _createVestingDeposit(sender, nDays, poolTokens);
    }
    _syncAll();
    emit Deposited(sender, poolTokens, nDays);
  }

  function verifyDepositAmounts(uint256[] calldata depositAmounts) internal view {
    uint i=0;
    uint n = depositAmounts.length;
    while(i < n){
      uint256 myDeposit = depositAmounts[i];
      if(myDeposit > 0){
        address token = tokenAt(i);
        uint256 delta = currentDeltaOverLastBalance(token);
        require(delta >= myDeposit, "Insufficient token deposit");
      }
      i++;
    }
  }

  /* Single asset withdrawal functionality */
  function withdrawSingleAsset(address tokenHolder, uint256 poolTokenAmountToBurn, address assetAddress, uint256 assetAmount, uint256 goodUntil, Signature calldata theSignature) external override {
    // Make sure the withdrawer is allowed
    require(msg.sender==tokenHolder, "tokenHolder does not match msg.sender");
    // Check the signature
    bytes32 withdrawalDigest = createWithdrawalDigest(tokenHolder, poolTokenAmountToBurn, assetAddress, assetAmount, goodUntil);
    // Reverts if it's signed by the wrong address
    verifyDigestSignature(withdrawalDigest, theSignature);
    // Revert if it's a replay, or if the timestamp is too late
    checkTimestampAndInvalidateDigest(withdrawalDigest, goodUntil);
    // Reverts if balance is insufficient
    _burn(msg.sender, poolTokenAmountToBurn);
    // Reverts if balance is insufficient
    // syncs done automatically on transfer
    transferAsset(assetAddress, msg.sender, assetAmount);

    emit AssetWithdrawn(tokenHolder, poolTokenAmountToBurn, assetAddress, assetAmount);
  }

  /* SWAP Functionality */

  // Don't need a separate "transmit" function here since it's already payable
  function sellEthForToken(address outputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) external payable override {
    // Wrap ETH (as balance or value) as input
    safeEthSend(WRAPPER_CONTRACT, inputAmount);
    swap(WRAPPER_CONTRACT, outputToken, inputAmount, outputAmount, goodUntil, destinationAddress, theSignature, auxiliaryData);
  }

  // Mostly copied from swap functionality
  function sellTokenForEth(address inputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) external override {
    (uint256 actualInput, uint256 fairOutput) = verifyTokensAndGetAmounts(inputToken, WRAPPER_CONTRACT, inputAmount, outputAmount);
    
    bytes32 digest = createSwapDigest(inputToken, WRAPPER_CONTRACT, inputAmount, outputAmount, goodUntil, destinationAddress);
    // Revert if it's signed by the wrong address
    verifyDigestSignature(digest, theSignature);
    // Revert if it's a replay, or if the timestamp is too late
    checkTimestampAndInvalidateDigest(digest, goodUntil);
    
    // We have to _sync the input token manually here
    _sync(inputToken);
    unwrapAndForwardEth(destinationAddress, fairOutput);

    emit Swapped(inputToken, WRAPPER_CONTRACT, destinationAddress, actualInput, fairOutput, auxiliaryData);
  }

  function transmitAndSellTokenForEth(address inputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) external override {
    IERC20(inputToken).safeTransferFrom(msg.sender, address(this), inputAmount);
    this.sellTokenForEth(inputToken, inputAmount, outputAmount, goodUntil, destinationAddress, theSignature, auxiliaryData);
  }

  // all-in-one transfer from msg.sender to destinationAddress.
  function transmitAndSwap(address inputToken, address outputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) external override {
    IERC20(inputToken).safeTransferFrom(msg.sender, address(this), inputAmount);
    swap(inputToken, outputToken, inputAmount, outputAmount, goodUntil, destinationAddress, theSignature, auxiliaryData);
  }

  function swap(address inputToken, address outputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) public override {
    // Revert if the tokens don't exist
    (uint256 actualInput, uint256 fairOutput) = verifyTokensAndGetAmounts(inputToken, outputToken, inputAmount, outputAmount);
    
    bytes32 digest = createSwapDigest(inputToken, outputToken, inputAmount, outputAmount, goodUntil, destinationAddress);
    // Revert if it's signed by the wrong address
    verifyDigestSignature(digest, theSignature);
    // Revert if it's a replay, or if the timestamp is too late
    checkTimestampAndInvalidateDigest(digest, goodUntil);
    // OK, now we are safe to transfer
    syncAndTransfer(inputToken, outputToken, destinationAddress, fairOutput);
    emit Swapped(inputToken, outputToken, destinationAddress, actualInput, fairOutput, auxiliaryData);
  }

  function verifyTokensAndGetAmounts(address inputToken, address outputToken, uint256 inputAmount, uint256 outputAmount) internal view returns (uint256 actualInput, uint256 fairOutput) {
    require(isToken(inputToken) && isToken(outputToken), "Tokens not present in pool");
    actualInput = currentDeltaOverLastBalance(inputToken);
    fairOutput = calculateFairOutput(inputAmount, actualInput, outputAmount);
  }

  // Used to invalidate swap and deposit digests
  function checkTimestampAndInvalidateDigest(bytes32 theDigest, uint256 goodUntil) internal {
    require(!invalidatedDigests[theDigest], "Message digest already present");
    require(goodUntil >= block.timestamp, "Message received after allowed timestamp");
    invalidatedDigests[theDigest] = true;
  }

}

File 4 of 14 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 5 of 14 : ERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

File 6 of 14 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 7 of 14 : ECDSA.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s;
        uint8 v;
        assembly {
            s := and(vs, 0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff)
            v := add(shr(255, vs), 27)
        }
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

File 8 of 14 : EnumerableSet.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

File 9 of 14 : WrapperContractInterface.sol
//SPDX-License-Identifier: Copyright 2021 Shipyard Software, Inc.
pragma solidity ^0.8.0;

interface WrapperContractInterface {
  function withdraw(uint256 amount) external;
}

File 10 of 14 : ClipperCommonExchange.sol
//SPDX-License-Identifier: Copyright 2021 Shipyard Software, Inc.
pragma solidity ^0.8.0;


import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";

import "./interfaces/WrapperContractInterface.sol";

abstract contract ClipperCommonExchange is ERC20, ReentrancyGuard {

  using SafeERC20 for IERC20;
  using EnumerableSet for EnumerableSet.AddressSet;

  struct Signature {
    uint8 v;
    bytes32 r;
    bytes32 s;
  }

  struct Deposit {
      uint lockedUntil;
      uint256 poolTokenAmount;
  }

  uint256 constant ONE_IN_TEN_DECIMALS = 1e10;
  // Allow for inputs up to 0.5% more than quoted values to have scaled output.
  // Inputs higher than this value just get 0.5% more.
  uint256 constant MAX_ALLOWED_OVER_TEN_DECIMALS = ONE_IN_TEN_DECIMALS+50*1e6;

  // Signer is passed in on construction, hence "immutable"
  address immutable public DESIGNATED_SIGNER;
  address immutable public WRAPPER_CONTRACT;
  // Constant values for EIP-712 signing
  bytes32 immutable DOMAIN_SEPARATOR;
  string constant VERSION = '1.0.0';
  string constant NAME = 'ClipperDirect';

  bytes32 constant EIP712DOMAIN_TYPEHASH = keccak256(
     abi.encodePacked("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)")
  );

  bytes32 constant OFFERSTRUCT_TYPEHASH = keccak256(
    abi.encodePacked("OfferStruct(address input_token,address output_token,uint256 input_amount,uint256 output_amount,uint256 good_until,address destination_address)")
  );

  bytes32 constant DEPOSITSTRUCT_TYPEHASH = keccak256(
    abi.encodePacked("DepositStruct(address sender,uint256[] deposit_amounts,uint256 days_locked,uint256 pool_tokens,uint256 good_until)")
  );

  bytes32 constant WITHDRAWALSTRUCT_TYPEHASH = keccak256(
    abi.encodePacked("WithdrawalStruct(address token_holder,uint256 pool_token_amount_to_burn,address asset_address,uint256 asset_amount,uint256 good_until)")
  );

  // Assets
  // lastBalances: used for "transmit then swap then sync" modality
  // assetSet is a set of keys that have lastBalances
  mapping(address => uint256) public lastBalances;
  EnumerableSet.AddressSet assetSet;


  // Allows lookup
  mapping(address => Deposit) public vestingDeposits;

  // Events
  event Swapped(
    address indexed inAsset,
    address indexed outAsset,
    address indexed recipient,
    uint256 inAmount,
    uint256 outAmount,
    bytes auxiliaryData
  );

  event Deposited(
    address indexed depositor,
    uint256 poolTokens,
    uint256 nDays
  );

  event Withdrawn(
    address indexed withdrawer,
    uint256 poolTokens,
    uint256 fractionOfPool
  );

  event AssetWithdrawn(
    address indexed withdrawer,
    uint256 poolTokens,    
    address indexed assetAddress,
    uint256 assetAmount
  );

  // Take in the designated signer address and the token list
  constructor(address theSigner, address theWrapper, address[] memory tokens) ERC20("ClipperDirect Pool Token", "CLPRDRPL") {
    DESIGNATED_SIGNER = theSigner;
    uint i;
    uint n = tokens.length;
    while(i < n) {
        assetSet.add(tokens[i]);
        i++;
    }
    DOMAIN_SEPARATOR = createDomainSeparator(NAME, VERSION, address(this));
    WRAPPER_CONTRACT = theWrapper;
  }

  // Allows the receipt of ETH directly
  receive() external payable {
  }

  function safeEthSend(address recipient, uint256 howMuch) internal {
    (bool success, ) = payable(recipient).call{value: howMuch}("");
    require(success, "Call with value failed");
  }

  /* TOKEN AND ASSET FUNCTIONS */
  function nTokens() public view returns (uint) {
    return assetSet.length();
  }

  function tokenAt(uint i) public view returns (address) {
    return assetSet.at(i);
  }

  function isToken(address token) public view returns (bool) {
    return assetSet.contains(token);
  }

  function _sync(address token) internal virtual;

  function allTokensBalance() external view returns (uint256[] memory, address[] memory, uint256){
    uint n = nTokens();
    uint256[] memory balances = new uint256[](n);
    address[] memory tokens = new address[](n);
    for (uint i = 0; i < n; i++) {
      address token = tokenAt(i);
      balances[i] = lastBalances[token];
      tokens[i] = token;
    }

    return (balances, tokens, totalSupply());
  }

  // nonReentrant asset transfer
  function transferAsset(address token, address recipient, uint256 amount) internal nonReentrant {
    IERC20(token).safeTransfer(recipient, amount);
    // We never want to transfer an asset without sync'ing
    _sync(token);
  }

  function calculateFairOutput(uint256 statedInput, uint256 actualInput, uint256 statedOutput) internal pure returns (uint256) {
    if(actualInput == statedInput) {
      return statedOutput;
    } else {
      uint256 theFraction = (ONE_IN_TEN_DECIMALS*actualInput)/statedInput;
      if(theFraction >= MAX_ALLOWED_OVER_TEN_DECIMALS) {
        return (MAX_ALLOWED_OVER_TEN_DECIMALS*statedOutput)/ONE_IN_TEN_DECIMALS;
      } else {
        return (theFraction*statedOutput)/ONE_IN_TEN_DECIMALS;
      }
    }
  }

  /* DEPOSIT FUNCTIONALITY */
  function canUnlockDeposit(address theAddress) public view returns (bool) {
      Deposit storage myDeposit = vestingDeposits[theAddress];
      return (myDeposit.poolTokenAmount > 0) && (myDeposit.lockedUntil <= block.timestamp);
  }

  function unlockDeposit() external returns (uint256 poolTokens) {
    require(canUnlockDeposit(msg.sender), "ClipperDirect: Deposit cannot be unlocked");
    poolTokens = vestingDeposits[msg.sender].poolTokenAmount;
    delete vestingDeposits[msg.sender];

    _transfer(address(this), msg.sender, poolTokens);
  }

  // Mints tokens to this contract to hold for vesting
  function _createVestingDeposit(address theAddress, uint256 nDays, uint256 numPoolTokens) internal {
    require(nDays > 0, "ClipperDirect: Cannot create vesting deposit without positive vesting period");
    require(vestingDeposits[theAddress].poolTokenAmount==0, "ClipperDirect: Depositor already has an active deposit");

    Deposit memory myDeposit = Deposit({
      lockedUntil: block.timestamp + (nDays * 1 days),
      poolTokenAmount: numPoolTokens
    });
    vestingDeposits[theAddress] = myDeposit;
    _mint(address(this), numPoolTokens);
  }

  function transmitAndDeposit(uint256[] calldata depositAmounts, uint256 nDays, uint256 poolTokens, uint256 goodUntil, Signature calldata theSignature) external {
    uint i=0;
    uint n = depositAmounts.length;
    while(i < n){
      uint256 transferAmount = depositAmounts[i];
      if(transferAmount > 0){
        IERC20(tokenAt(i)).safeTransferFrom(msg.sender, address(this), transferAmount);
      }
      i++;
    }
    deposit(msg.sender, depositAmounts, nDays, poolTokens, goodUntil, theSignature);
  }

  function deposit(address sender, uint256[] calldata depositAmounts, uint256 nDays, uint256 poolTokens, uint256 goodUntil, Signature calldata theSignature) public payable virtual;

  /* WITHDRAWAL FUNCTIONALITY */
  function _proportionalWithdrawal(uint256 myFraction) internal {
    uint256 toTransfer;

    uint i;
    uint n = nTokens();
    while(i < n) {
        address theToken = tokenAt(i);
        toTransfer = (myFraction*lastBalances[theToken]) / ONE_IN_TEN_DECIMALS;
        // syncs done automatically on transfer
        transferAsset(theToken, msg.sender, toTransfer);
        i++;
    }
  }

  function burnToWithdraw(uint256 amount) external {
    // Capture the fraction first, before burning
    uint256 theFractionBaseTen = (ONE_IN_TEN_DECIMALS*amount)/totalSupply();
    
    // Reverts if balance is insufficient
    _burn(msg.sender, amount);

    _proportionalWithdrawal(theFractionBaseTen);
    emit Withdrawn(msg.sender, amount, theFractionBaseTen);
  }

  function withdrawSingleAsset(address tokenHolder, uint256 poolTokenAmountToBurn, address assetAddress, uint256 assetAmount, uint256 goodUntil, Signature calldata theSignature) external virtual;

  /* SWAP Functionality: Virtual */
  function sellEthForToken(address outputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) external payable virtual;
  function sellTokenForEth(address inputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) external virtual;
  function transmitAndSellTokenForEth(address inputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) external virtual;
  function transmitAndSwap(address inputToken, address outputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) external virtual;
  function swap(address inputToken, address outputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress, Signature calldata theSignature, bytes calldata auxiliaryData) public virtual;

  /* SIGNING Functionality */
  function createDomainSeparator(string memory name, string memory version, address theSigner) internal view returns (bytes32) {
    return keccak256(abi.encode(
        EIP712DOMAIN_TYPEHASH,
        keccak256(abi.encodePacked(name)),
        keccak256(abi.encodePacked(version)),
        uint256(block.chainid),
        theSigner
      ));
  }

  function hashInputOffer(address inputToken, address outputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress) internal pure returns (bytes32) {
    return keccak256(abi.encode(
            OFFERSTRUCT_TYPEHASH,
            inputToken,
            outputToken,
            inputAmount,
            outputAmount,
            goodUntil,
            destinationAddress
        ));
  }

  function hashDeposit(address sender, uint256[] calldata depositAmounts, uint256 daysLocked, uint256 poolTokens, uint256 goodUntil) internal pure returns (bytes32) {
    bytes32 depositAmountsHash = keccak256(abi.encodePacked(depositAmounts));
    return keccak256(abi.encode(
        DEPOSITSTRUCT_TYPEHASH,
        sender,
        depositAmountsHash,
        daysLocked,
        poolTokens,
        goodUntil
      ));
  }

  function hashWithdrawal(address tokenHolder, uint256 poolTokenAmountToBurn, address assetAddress, uint256 assetAmount,
                    uint256 goodUntil) internal pure returns (bytes32) {
    return keccak256(abi.encode(
        WITHDRAWALSTRUCT_TYPEHASH,
        tokenHolder,
        poolTokenAmountToBurn,
        assetAddress,
        assetAmount,
        goodUntil
      ));
  }

  function createSwapDigest(address inputToken, address outputToken, uint256 inputAmount, uint256 outputAmount, uint256 goodUntil, address destinationAddress) internal view returns (bytes32 digest){
    bytes32 hashedInput = hashInputOffer(inputToken, outputToken, inputAmount, outputAmount, goodUntil, destinationAddress);    
    digest = ECDSA.toTypedDataHash(DOMAIN_SEPARATOR, hashedInput);
  }

  function createDepositDigest(address sender, uint256[] calldata depositAmounts, uint256 nDays, uint256 poolTokens, uint256 goodUntil) internal view returns (bytes32 depositDigest){
    bytes32 hashedInput = hashDeposit(sender, depositAmounts, nDays, poolTokens, goodUntil);    
    depositDigest = ECDSA.toTypedDataHash(DOMAIN_SEPARATOR, hashedInput);
  }

  function createWithdrawalDigest(address tokenHolder, uint256 poolTokenAmountToBurn, address assetAddress, uint256 assetAmount,
                    uint256 goodUntil) internal view returns (bytes32 withdrawalDigest){
    bytes32 hashedInput = hashWithdrawal(tokenHolder, poolTokenAmountToBurn, assetAddress, assetAmount, goodUntil);
    withdrawalDigest = ECDSA.toTypedDataHash(DOMAIN_SEPARATOR, hashedInput);
  }

  function verifyDigestSignature(bytes32 theDigest, Signature calldata theSignature) internal view {
    address signingAddress = ecrecover(theDigest, theSignature.v, theSignature.r, theSignature.s);

    require(signingAddress==DESIGNATED_SIGNER, "Message signed by incorrect address");
  }

}

File 11 of 14 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 12 of 14 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 13 of 14 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    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;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 14 of 14 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"theSigner","type":"address"},{"internalType":"address","name":"theWrapper","type":"address"},{"internalType":"address[]","name":"tokens","type":"address[]"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"withdrawer","type":"address"},{"indexed":false,"internalType":"uint256","name":"poolTokens","type":"uint256"},{"indexed":true,"internalType":"address","name":"assetAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"assetAmount","type":"uint256"}],"name":"AssetWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"depositor","type":"address"},{"indexed":false,"internalType":"uint256","name":"poolTokens","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"nDays","type":"uint256"}],"name":"Deposited","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"inAsset","type":"address"},{"indexed":true,"internalType":"address","name":"outAsset","type":"address"},{"indexed":true,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"uint256","name":"inAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"outAmount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"auxiliaryData","type":"bytes"}],"name":"Swapped","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"withdrawer","type":"address"},{"indexed":false,"internalType":"uint256","name":"poolTokens","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fractionOfPool","type":"uint256"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"DESIGNATED_SIGNER","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WRAPPER_CONTRACT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allTokensBalance","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"address[]","name":"","type":"address[]"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnToWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"theAddress","type":"address"}],"name":"canUnlockDeposit","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256[]","name":"depositAmounts","type":"uint256[]"},{"internalType":"uint256","name":"nDays","type":"uint256"},{"internalType":"uint256","name":"poolTokens","type":"uint256"},{"internalType":"uint256","name":"goodUntil","type":"uint256"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct ClipperCommonExchange.Signature","name":"theSignature","type":"tuple"}],"name":"deposit","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"isToken","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lastBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"packedInput","type":"uint256"},{"internalType":"uint256","name":"packedOutput","type":"uint256"},{"internalType":"uint256","name":"packedDestination","type":"uint256"},{"internalType":"bytes32","name":"auxData","type":"bytes32"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"vs","type":"bytes32"}],"name":"packedSwap","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"packedInput","type":"uint256"},{"internalType":"uint256","name":"packedConfig","type":"uint256"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"packedTransmitAndDepositOneAsset","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"packedInput","type":"uint256"},{"internalType":"uint256","name":"packedOutput","type":"uint256"},{"internalType":"uint256","name":"packedDestination","type":"uint256"},{"internalType":"bytes32","name":"auxData","type":"bytes32"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"vs","type":"bytes32"}],"name":"packedTransmitAndSwap","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"outputToken","type":"address"},{"internalType":"uint256","name":"inputAmount","type":"uint256"},{"internalType":"uint256","name":"outputAmount","type":"uint256"},{"internalType":"uint256","name":"goodUntil","type":"uint256"},{"internalType":"address","name":"destinationAddress","type":"address"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct ClipperCommonExchange.Signature","name":"theSignature","type":"tuple"},{"internalType":"bytes","name":"auxiliaryData","type":"bytes"}],"name":"sellEthForToken","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"inputToken","type":"address"},{"internalType":"uint256","name":"inputAmount","type":"uint256"},{"internalType":"uint256","name":"outputAmount","type":"uint256"},{"internalType":"uint256","name":"goodUntil","type":"uint256"},{"internalType":"address","name":"destinationAddress","type":"address"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct ClipperCommonExchange.Signature","name":"theSignature","type":"tuple"},{"internalType":"bytes","name":"auxiliaryData","type":"bytes"}],"name":"sellTokenForEth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"inputToken","type":"address"},{"internalType":"address","name":"outputToken","type":"address"},{"internalType":"uint256","name":"inputAmount","type":"uint256"},{"internalType":"uint256","name":"outputAmount","type":"uint256"},{"internalType":"uint256","name":"goodUntil","type":"uint256"},{"internalType":"address","name":"destinationAddress","type":"address"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct ClipperCommonExchange.Signature","name":"theSignature","type":"tuple"},{"internalType":"bytes","name":"auxiliaryData","type":"bytes"}],"name":"swap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"i","type":"uint256"}],"name":"tokenAt","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"depositAmounts","type":"uint256[]"},{"internalType":"uint256","name":"nDays","type":"uint256"},{"internalType":"uint256","name":"poolTokens","type":"uint256"},{"internalType":"uint256","name":"goodUntil","type":"uint256"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct ClipperCommonExchange.Signature","name":"theSignature","type":"tuple"}],"name":"transmitAndDeposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"inputToken","type":"address"},{"internalType":"uint256","name":"inputAmount","type":"uint256"},{"internalType":"uint256","name":"outputAmount","type":"uint256"},{"internalType":"uint256","name":"goodUntil","type":"uint256"},{"internalType":"address","name":"destinationAddress","type":"address"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct ClipperCommonExchange.Signature","name":"theSignature","type":"tuple"},{"internalType":"bytes","name":"auxiliaryData","type":"bytes"}],"name":"transmitAndSellTokenForEth","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"inputToken","type":"address"},{"internalType":"address","name":"outputToken","type":"address"},{"internalType":"uint256","name":"inputAmount","type":"uint256"},{"internalType":"uint256","name":"outputAmount","type":"uint256"},{"internalType":"uint256","name":"goodUntil","type":"uint256"},{"internalType":"address","name":"destinationAddress","type":"address"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct ClipperCommonExchange.Signature","name":"theSignature","type":"tuple"},{"internalType":"bytes","name":"auxiliaryData","type":"bytes"}],"name":"transmitAndSwap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unlockDeposit","outputs":[{"internalType":"uint256","name":"poolTokens","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"vestingDeposits","outputs":[{"internalType":"uint256","name":"lockedUntil","type":"uint256"},{"internalType":"uint256","name":"poolTokenAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenHolder","type":"address"},{"internalType":"uint256","name":"poolTokenAmountToBurn","type":"uint256"},{"internalType":"address","name":"assetAddress","type":"address"},{"internalType":"uint256","name":"assetAmount","type":"uint256"},{"internalType":"uint256","name":"goodUntil","type":"uint256"},{"components":[{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct ClipperCommonExchange.Signature","name":"theSignature","type":"tuple"}],"name":"withdrawSingleAsset","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : theSigner (address): 0x08938a61ba9523298dbcacee0cda5b371fb7f1f8
Arg [1] : theWrapper (address): 0x4200000000000000000000000000000000000006
Arg [2] : tokens (address[]): 0x4200000000000000000000000000000000000006,0x7f5c764cbc14f9669b88837ca1490cca17c31607,0x94b008aa00579c1307b0ef2c499ad98a8ce58e58,0x68f180fcce6836688e9084f035309e29bf0a2095,0xda10009cbd5d07dd0cecc66161fc93d7c9000da1,0x350a791bfc2c21f9ed5d10980dad2e2638ffa7f6

-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 00000000000000000000000008938a61ba9523298dbcacee0cda5b371fb7f1f8
Arg [1] : 0000000000000000000000004200000000000000000000000000000000000006
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [4] : 0000000000000000000000004200000000000000000000000000000000000006
Arg [5] : 0000000000000000000000007f5c764cbc14f9669b88837ca1490cca17c31607
Arg [6] : 00000000000000000000000094b008aa00579c1307b0ef2c499ad98a8ce58e58
Arg [7] : 00000000000000000000000068f180fcce6836688e9084f035309e29bf0a2095
Arg [8] : 000000000000000000000000da10009cbd5d07dd0cecc66161fc93d7c9000da1
Arg [9] : 000000000000000000000000350a791bfc2c21f9ed5d10980dad2e2638ffa7f6


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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