Contract 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251

Txn Hash Method
Block
From
To
Value [Txn Fee]
0x9a93e4f3e5f81544853b68418ee6dd81430d3fda55760b8b292e3227c769c358Enter With Token234721612021-11-29 11:46:214 mins ago0xc479d884d19fd086d65304ae4173f4e575975f50 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.065397035
0x5b4f1234652a9802fb1d7f3cf345d37862890e7e33ff280186cd12f071ab78ddLeave234721312021-11-29 11:45:574 mins ago0xc5e8300737b3ba485557e4f9a0a0d1d316812e8b IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.130353468238
0x0ea639403186cddb357eb510ecaf31d732960165aa5fc39c676abde43c63d8dbEnter With Token234719582021-11-29 11:43:347 mins ago0xbce50bebbc3f846ac17dfc722f790f56fcf2eded IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.34697420278
0x89803f3b7de98736f3541b117afdabd41ce20a3123703ea3045c6220fe3e013aEnter With Token234709962021-11-29 11:29:3221 mins ago0x9b1f6b14f9e9733de08558def4d396ae1706c39f IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.106700148131
0xda530c72a41466c90246d935190dcc59f3ad8ad1ebb919c53111994d6cd58559Enter With Token234706422021-11-29 11:23:0227 mins ago0xdfcb6b1f3d6b671099ba0f483d2c6632ce3314c2 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.07733657932
0xac119e49c9941fd36e4701194aff65f361a5c012799de6275356c2a63e4f126eEnter With Token234704142021-11-29 11:19:3231 mins ago0xd3d3aa777e086525a5319b25e1a6259e29128083 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.300180829266
0xe1c8a138adecd68bb5e05eedfa4c8aa7a19fbe246737e46c9edd3034afd43f8eEnter With Token234694982021-11-29 11:05:1445 mins ago0x2c48a579668f76dbf59c20b9273da9083be65f52 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.057562778663
0xbb2a177332a340a5b08a5b51e0104674eda3ed4e0684b5b1d33b473fa8db1a3fEnter With Token234694132021-11-29 11:03:4647 mins ago0xeac9360f031c9702a6b6590adbe9e2015b663ec0 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.26257291892
0xba22179a82dc74f53683534fd02694f18b91e891aabe6aecb2669bff8ce77282Enter With Token234690442021-11-29 10:57:4053 mins ago0x3c2414cc813954b3e3ede8bfdb866c1d3ee67d06 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.267725038735
0x8f9775d8c1a57ac799d431376fb1e05aff268bc1c39990ac01657db9fae70bbfEnter With Token234689802021-11-29 10:56:4654 mins ago0x3c2414cc813954b3e3ede8bfdb866c1d3ee67d06 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.274125280342
0xc3a630fe931b1ff98e4198ba4c8e9abd27a72ec1a524787e54aaaa3cdc5a1ecfEnter With Token234688872021-11-29 10:55:2455 mins ago0xb84b77405e4c75d0167d97ca755712d6e6f61fb3 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.052533565625
0x83bdd45f6af7863c6541e5d9b7e3ceab0b25047283589d36b027b98b9231df90Enter With Token234683752021-11-29 10:46:531 hr 4 mins ago0x7fdfd9133b3bdac66a1ca07da1a07090c54f7c5c IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.285616274994
0xc7738d995622f9e8b0a037c7c084a12913b8cf0678bab2f5dd8473a8a64c8581Leave ETH234682132021-11-29 10:44:181 hr 6 mins ago0x996691893f14ed917a30a662945953f8c24fa190 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.594372055542
0x5ff0580b25464af1f44c24614e7c9d96ae7f63bc739e5c815b1424e2cd62af8fLeave234674472021-11-29 10:31:121 hr 19 mins ago0x14f7096a0f3083e97dde466b021b4091545c8d85 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.042281640716
0xe3ab5d8a12beb4cf5ca26383c228184757b3d9d6e8fbf807d33636feeb47b944Enter With Token234670102021-11-29 10:23:391 hr 27 mins ago0x17e071372ba2c7ec0d21030e27db41e9ab74b2eb IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.057805049375
0xfccccf1640f9017cc81d0328c53e238c26724b200fb78311f85d491e841f1e73Enter With Token234665702021-11-29 10:16:151 hr 34 mins ago0x36ebbc8ac514cd8d2061632b89f2e445a3f55f08 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.064889995852
0xeb1edda9251c71d1020c2f0ab2e9e8e1071b25e72feca84dfcf1de43b538e04bEnter With Token234664432021-11-29 10:13:581 hr 36 mins ago0x36e54b5cd1b7ee9eee83fac537ec389759dcb61a IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.070977503412
0x8e094060c8a48877422693f2fcd8e5e6bea9a0d14df1301c8fcff14068645f68Leave ETH234663982021-11-29 10:13:121 hr 37 mins ago0x4d2b199c5ac2f911c24de5b501c5b74ae89fa252 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.698796641368
0x048c8ebf37ba62222ba4239d2c53d08b7d65569abc73ca8853640167fd16dad5Leave234659762021-11-29 10:06:481 hr 44 mins ago0xd5c4777e2a2e952a83f4119407b7d9c9cea0ff84 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.121577680655
0xd0246c5ba6abb77ce0257705f8736c7022b2bddcbb3829b84fb6926c93b24407Leave234659212021-11-29 10:05:471 hr 45 mins ago0x58d1744518123c5f97afd35731b1b0bd7d266f3c IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.121177714891
0x104084a5a4258b9e4d57fa43f0fae2a4e0f014469d69049bb6f189115b9fd78dEnter With Token234658142021-11-29 10:04:151 hr 46 mins ago0x3b8014031d66cfce1a7671736e3bbe3b9df83b47 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.071672107519
0x07712134d5eeab4f73e769dcd7f8b824fbc231b582b38e9ab16b315fb08154b8Enter With Token234655972021-11-29 10:01:211 hr 49 mins ago0x42fd232ac14b81591aac5d0cb8bf58d69e655432 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.075123513322
0x3dcaca33e45fbf734b80599c3346dd128df444ce1248c0363cbb873ec1ad95e2Enter With Token234651542021-11-29 9:54:261 hr 56 mins ago0xd5c4777e2a2e952a83f4119407b7d9c9cea0ff84 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.117537032782
0xea7051e923da3ef9e6487e9a349b787614129682c054bad22001a214bdbc55bbEnter With Token234649702021-11-29 9:51:541 hr 59 mins ago0x234bb04f4501300567def3a14b05c7dc80568295 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.062632731224
0x4c401e5d1fc48b4030a5efe68a4456f6feac08ea94fd1c6f1facf9fefa68a462Enter With Token234648572021-11-29 9:50:192 hrs ago0x527fe2f373d18e1298b07b62685623088d7ace38 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.068857838368
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xc7738d995622f9e8b0a037c7c084a12913b8cf0678bab2f5dd8473a8a64c8581234682132021-11-29 10:44:181 hr 6 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x996691893f14ed917a30a662945953f8c24fa190456.176933957539814323 FTM
0xc7738d995622f9e8b0a037c7c084a12913b8cf0678bab2f5dd8473a8a64c8581234682132021-11-29 10:44:181 hr 6 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251456.176933957539814323 FTM
0x8e094060c8a48877422693f2fcd8e5e6bea9a0d14df1301c8fcff14068645f68234663982021-11-29 10:13:121 hr 37 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x4d2b199c5ac2f911c24de5b501c5b74ae89fa2522,593.907778908618678898 FTM
0x8e094060c8a48877422693f2fcd8e5e6bea9a0d14df1301c8fcff14068645f68234663982021-11-29 10:13:121 hr 37 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a102512,593.907778908618678898 FTM
0x2be3051b5f4dc3bd48976d46ccf27111dfcedf0b2b922f5de1299bfe6e35cdf5234613542021-11-29 9:00:432 hrs 50 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token2,000 FTM
0x2be3051b5f4dc3bd48976d46ccf27111dfcedf0b2b922f5de1299bfe6e35cdf5234613542021-11-29 9:00:432 hrs 50 mins ago 0xe97fecebde0e222c4dfded8f9da7a8dd8f8559bb 0x3e9f34309b2f046f4f43c0376efe2fdc27a102512,000 FTM
0x8b5fb48ed8e2b20881c0dfd505b3a67acec67b1ea9ca40961a9caca9812694fd234585762021-11-29 8:21:233 hrs 29 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x586e572fd9f29627706fc55a1f0168aaaa4d8ffd5,999.002910021149982934 FTM
0x8b5fb48ed8e2b20881c0dfd505b3a67acec67b1ea9ca40961a9caca9812694fd234585762021-11-29 8:21:233 hrs 29 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a102515,999.002910021149982934 FTM
0xfa684f10db401263b5e2dd9766b8d9d6c892c78a456e12176edc12be099d21a3234583932021-11-29 8:18:543 hrs 32 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token5,999 FTM
0xfa684f10db401263b5e2dd9766b8d9d6c892c78a456e12176edc12be099d21a3234583932021-11-29 8:18:543 hrs 32 mins ago 0x586e572fd9f29627706fc55a1f0168aaaa4d8ffd 0x3e9f34309b2f046f4f43c0376efe2fdc27a102515,999 FTM
0x31c1c9a0a6be75bc651cdaaae2eaf3acbc05c021af65353e2e221cb126240dcc234568832021-11-29 7:58:423 hrs 52 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token5.035560524981255283 FTM
0x31c1c9a0a6be75bc651cdaaae2eaf3acbc05c021af65353e2e221cb126240dcc234568832021-11-29 7:58:423 hrs 52 mins ago 0xc0535a9df8ac51e4559687aef22cb9069ab9e037 0x3e9f34309b2f046f4f43c0376efe2fdc27a102515.035560524981255283 FTM
0x7313f2249b4b418ef27ffe75f024d441a633f7185732558c3626aba7ee52bdf3234544562021-11-29 7:16:264 hrs 34 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510xd90cb9528850f28712d955be0da40ceb677225bb1.000588045438574135 FTM
0x7313f2249b4b418ef27ffe75f024d441a633f7185732558c3626aba7ee52bdf3234544562021-11-29 7:16:264 hrs 34 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a102511.000588045438574135 FTM
0x7a781977b2d43f19ab6c317ef8cb8e32e08920b627bf0492af9b8f9593e68b4d234472872021-11-29 5:25:256 hrs 25 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token50 FTM
0x7a781977b2d43f19ab6c317ef8cb8e32e08920b627bf0492af9b8f9593e68b4d234472872021-11-29 5:25:256 hrs 25 mins ago 0x0f2b20acb2fd7eebc0abc3aee0b00d57533b6bd1 0x3e9f34309b2f046f4f43c0376efe2fdc27a1025150 FTM
0xd39e857b4c17cdd33c867d7b4c39f468651c59af45c9569712882393476fec17234458982021-11-29 5:06:116 hrs 44 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token50 FTM
0xd39e857b4c17cdd33c867d7b4c39f468651c59af45c9569712882393476fec17234458982021-11-29 5:06:116 hrs 44 mins ago 0xa892b6ba0d0e5f16e6279a179ac057be77e8ea85 0x3e9f34309b2f046f4f43c0376efe2fdc27a1025150 FTM
0x9361886050d446e59a74eb3c18c9678f0f54dae04740239017fb7cab919edc84234457882021-11-29 5:04:266 hrs 46 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token1.266009582650581709 FTM
0x9361886050d446e59a74eb3c18c9678f0f54dae04740239017fb7cab919edc84234457882021-11-29 5:04:266 hrs 46 mins ago 0x4b1ec5b17e01d84774c7923ffc5119ead93088c4 0x3e9f34309b2f046f4f43c0376efe2fdc27a102511.266009582650581709 FTM
0x08b5c08e58e19a6f1791cd22e913fae97537f5ec45f3cc025dffc710231c68ea234371032021-11-29 2:59:078 hrs 51 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x55ff78feed57f2cb52105b290f203059f544e96796.01713280476881049 FTM
0x08b5c08e58e19a6f1791cd22e913fae97537f5ec45f3cc025dffc710231c68ea234371032021-11-29 2:59:078 hrs 51 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a1025196.01713280476881049 FTM
0x5a00a52c65b88d06a6015208a4a25329c876fa9f13208f077f508465a379bedc234351322021-11-29 2:31:509 hrs 19 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510xf286a3a9d2889ed6f51fbf422bf31bbec3eba23c1,801.73232749942209163 FTM
0x5a00a52c65b88d06a6015208a4a25329c876fa9f13208f077f508465a379bedc234351322021-11-29 2:31:509 hrs 19 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a102511,801.73232749942209163 FTM
0xfd14d7521fe351146d763e05ccb2cbcaac80167901280b3d4f47dcd71cdfecc1234262192021-11-29 0:24:0611 hrs 26 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token255,000 FTM
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Contract Source Code Verified (Exact Match)

Contract Name:
SupplyVaultRouter01

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 15 : SupplyVaultRouter01.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";

import "./interfaces/ISupplyVaultRouter01.sol";
import "./interfaces/IWETH.sol";
import "./libraries/TransferHelper.sol";

contract SupplyVaultRouter01 is ISupplyVaultRouter01 {
    using SafeERC20 for IERC20;
    using SafeERC20 for ISupplyVault;

    address immutable WETH;

    constructor(address _WETH) public {
        WETH = _WETH;
    }

    receive() external payable {
        assert(msg.sender == WETH); // only accept ETH via fallback from the WETH contract
    }

    function _mintBorrowableAndEnter(ISupplyVault vault, IBorrowable toBorrowable) private returns (uint256 share) {
        uint256 borrowableAmount = toBorrowable.mint(address(this));
        IERC20(address(toBorrowable)).safeApprove(address(vault), borrowableAmount);
        share = vault.enterWithToken(address(toBorrowable), borrowableAmount);
        IERC20(address(vault)).safeTransfer(msg.sender, share);
    }

    function enter(
        ISupplyVault vault,
        uint256 underlyingAmount,
        IBorrowable toBorrowable
    ) external override checkBorrowable(vault, toBorrowable) returns (uint256 share) {
        IERC20 underlying = IERC20(toBorrowable.underlying());
        underlying.safeTransferFrom(msg.sender, address(toBorrowable), underlyingAmount);
        return _mintBorrowableAndEnter(vault, toBorrowable);
    }

    function enterETH(ISupplyVault vault, IBorrowable toBorrowable)
        external
        payable
        override
        checkETH(vault)
        checkBorrowable(vault, toBorrowable)
        returns (uint256 share)
    {
        IWETH(WETH).deposit{value: msg.value}();
        IERC20(WETH).safeTransfer(address(toBorrowable), msg.value);
        return _mintBorrowableAndEnter(vault, toBorrowable);
    }

    function _enterWithAlloc(ISupplyVault vault, uint256 underlyingAmount) private returns (uint256 share) {
        IERC20 underlying = vault.underlying();
        underlying.safeApprove(address(vault), underlyingAmount);
        share = vault.enter(underlyingAmount);
        IERC20(address(vault)).safeTransfer(msg.sender, share);
    }

    function enterWithAlloc(ISupplyVault vault, uint256 underlyingAmount) external override returns (uint256 share) {
        IERC20 underlying = vault.underlying();
        underlying.safeTransferFrom(msg.sender, address(this), underlyingAmount);
        return _enterWithAlloc(vault, underlyingAmount);
    }

    function enterWithAllocETH(ISupplyVault vault) external payable override checkETH(vault) returns (uint256 share) {
        IWETH(WETH).deposit{value: msg.value}();
        return _enterWithAlloc(vault, msg.value);
    }

    function enterWithToken(
        ISupplyVault vault,
        address token,
        uint256 tokenAmount
    ) external override returns (uint256 share) {
        IERC20(token).safeTransferFrom(msg.sender, address(this), tokenAmount);
        IERC20(token).safeApprove(address(vault), tokenAmount);
        share = vault.enterWithToken(token, tokenAmount);
        IERC20(address(vault)).safeTransfer(msg.sender, share);
    }

    function _leave(ISupplyVault vault, uint256 share) private returns (IERC20 underlying, uint256 underlyingAmount) {
        underlying = vault.underlying();
        IERC20(address(vault)).safeTransferFrom(msg.sender, address(this), share);
        underlyingAmount = vault.leave(share);
    }

    function leave(ISupplyVault vault, uint256 share) external override returns (uint256 underlyingAmount) {
        IERC20 underlying;
        (underlying, underlyingAmount) = _leave(vault, share);
        underlying.safeTransfer(msg.sender, underlyingAmount);
    }

    function leaveETH(ISupplyVault vault, uint256 share)
        external
        override
        checkETH(vault)
        returns (uint256 underlyingAmount)
    {
        IERC20 underlying;
        (underlying, underlyingAmount) = _leave(vault, share);
        IWETH(WETH).withdraw(underlyingAmount);
        TransferHelper.safeTransferETH(msg.sender, underlyingAmount);
    }

    modifier checkETH(ISupplyVault vault) {
        require(WETH == address(vault.underlying()), "SVR: NOT_WETH");
        _;
    }

    modifier checkBorrowable(ISupplyVault vault, IBorrowable borrowable) {
        require(address(vault.underlying()) == borrowable.underlying(), "SVR: WRONG_BORROWABLE");
        _;
    }
}

File 2 of 15 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 15 : SafeERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.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 SafeMath for uint256;
    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'
        // solhint-disable-next-line max-line-length
        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).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        _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
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 4 of 15 : ISupplyVaultRouter01.sol
pragma solidity >=0.5.0;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

import "./ISupplyVault.sol";
import "./IBorrowable.sol";

interface ISupplyVaultRouter01 {
    // Deposit underlyingAmount into toBorrowable and then enter vault with token
    function enter(
        ISupplyVault vault,
        uint256 underlyingAmount,
        IBorrowable toBorrowable
    ) external returns (uint256 share);

    // Same but for ETH
    function enterETH(ISupplyVault vault, IBorrowable toBorrowable) external payable returns (uint256 share);

    // Deposit underlyingAmount of vault.underlying() into vault
    function enterWithAlloc(ISupplyVault vault, uint256 underlyingAmount) external returns (uint256 share);

    // Same but for ETH
    function enterWithAllocETH(ISupplyVault vault) external payable returns (uint256 share);

    // Deposit tokenAmount of underlying or borrowable into vault
    function enterWithToken(
        ISupplyVault vault,
        address token,
        uint256 tokenAmount
    ) external returns (uint256 share);

    function leave(ISupplyVault vault, uint256 share) external returns (uint256 underlyingAmount);

    function leaveETH(ISupplyVault vault, uint256 share) external returns (uint256 underlyingAmount);
}

File 5 of 15 : IWETH.sol
pragma solidity >=0.5.0;

interface IWETH {
    function deposit() external payable;

    function transfer(address to, uint256 value) external returns (bool);

    function withdraw(uint256) external;
}

File 6 of 15 : TransferHelper.sol
pragma solidity >=0.6.0;

library TransferHelper {
    function safeTransferETH(address to, uint256 value) internal {
        (bool success, ) = to.call{value: value}(new bytes(0));
        require(success, 'TransferHelper::safeTransferETH: ETH transfer failed');
    }
}

File 7 of 15 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

File 8 of 15 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <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;
        // solhint-disable-next-line no-inline-assembly
        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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 9 of 15 : ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../../utils/Context.sol";
import "./IERC20.sol";
import "../../math/SafeMath.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 guidelines: functions revert instead
 * of 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 {
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name_, string memory symbol_) public {
        _name = name_;
        _symbol = symbol_;
        _decimals = 18;
    }

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

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual 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 {_setupDecimals} is
     * called.
     *
     * 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 returns (uint8) {
        return _decimals;
    }

    /**
     * @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);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        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].add(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) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is 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);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(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:
     *
     * - `to` 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 = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(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);

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(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 Sets {decimals} to a value other than the default one of 18.
     *
     * WARNING: This function should only be called from the constructor. Most
     * applications that interact with token contracts will not expect
     * {decimals} to ever change, and may work incorrectly if it does.
     */
    function _setupDecimals(uint8 decimals_) internal virtual {
        _decimals = decimals_;
    }

    /**
     * @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 to 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 { }
}

File 10 of 15 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 () internal {
        _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 make 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 11 of 15 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../utils/Context.sol";
/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

File 12 of 15 : ISupplyVault.sol
pragma solidity >=0.5.0;

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

interface ISupplyVault {
    /* Vault */
    function enter(uint256 _amount) external returns (uint256 share);

    function enterWithToken(address _tokenAddress, uint256 _tokenAmount) external returns (uint256 share);

    function leave(uint256 _share) external returns (uint256 underlyingAmount);

    function leaveInKind(uint256 _share) external;

    function applyFee() external;

    /** Read */

    function getBorrowablesLength() external view returns (uint256);

    function getBorrowableEnabled(IBorrowable borrowable) external view returns (bool);

    function getBorrowableExists(IBorrowable borrowable) external view returns (bool);

    function indexOfBorrowable(IBorrowable borrowable) external view returns (uint256);

    function borrowables(uint256) external view returns (IBorrowable);

    function underlying() external view returns (IERC20);

    function strategy() external view returns (ISupplyVaultStrategy);

    function pendingStrategy() external view returns (ISupplyVaultStrategy);

    function pendingStrategyNotBefore() external view returns (uint256);

    function feeBps() external view returns (uint256);

    function feeTo() external view returns (address);

    function reallocateManager() external view returns (address);

    /* Read functions that are non-view due to updating exchange rates */
    function underlyingBalanceForAccount(address _account) external returns (uint256 underlyingBalance);

    function shareValuedAsUnderlying(uint256 _share) external returns (uint256 underlyingAmount_);

    function underlyingValuedAsShare(uint256 _underlyingAmount) external returns (uint256 share_);

    function getTotalUnderlying() external returns (uint256 totalUnderlying);

    function getSupplyRate() external returns (uint256 supplyRate_);

    /* Only from strategy */

    function allocateIntoBorrowable(IBorrowable borrowable, uint256 underlyingAmount) external;

    function deallocateFromBorrowable(IBorrowable borrowable, uint256 borrowableAmount) external;

    function reallocate(uint256 _share, bytes calldata _data) external;

    /* Only owner */
    function addBorrowable(address _address) external;

    function addBorrowables(address[] calldata _addressList) external;

    function removeBorrowable(IBorrowable borrowable) external;

    function disableBorrowable(IBorrowable borrowable) external;

    function enableBorrowable(IBorrowable borrowable) external;

    function unwindBorrowable(IBorrowable borrowable, uint256 borowableAmount) external;

    function updatePendingStrategy(ISupplyVaultStrategy _newPendingStrategy, uint256 _notBefore) external;

    function updateStrategy() external;

    function updateFeeBps(uint256 _newFeeBps) external;

    function updateFeeTo(address _newFeeTo) external;

    function updateReallocateManager(address _newReallocateManager) external;

    function pause() external;

    function unpause() external;

    /* Voting */
    function delegates(address delegator) external view returns (address);

    function delegate(address delegatee) external;

    function delegateBySig(
        address delegatee,
        uint nonce,
        uint expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    function getCurrentVotes(address account) external view returns (uint256);

    function getPriorVotes(address account, uint blockNumber) external view returns (uint256);

    /* Events */
    event AddBorrowable(address indexed borrowable);
    event RemoveBorrowable(address indexed borrowable);
    event EnableBorrowable(address indexed borrowable);
    event DisableBorrowable(address indexed borrowable);
    event UpdatePendingStrategy(address indexed strategy, uint256 notBefore);
    event UpdateStrategy(address indexed strategy);
    event UpdateFeeBps(uint256 newFeeBps);
    event UpdateFeeTo(address indexed newFeeTo);
    event UpdateReallocateManager(address indexed newReallocateManager);
    event UnwindBorrowable(address indexed borrowable, uint256 underlyingAmount, uint256 borrowableAmount);
    event Enter(
        address indexed who,
        address indexed token,
        uint256 tokenAmount,
        uint256 underlyingAmount,
        uint256 share
    );
    event Leave(address indexed who, uint256 share, uint256 underlyingAmount);
    event LeaveInKind(address indexed who, uint256 share);
    event Reallocate(address indexed sender, uint256 share);
    event AllocateBorrowable(address indexed borrowable, uint256 underlyingAmount, uint256 borrowableAmount);
    event DeallocateBorrowable(address indexed borrowable, uint256 borrowableAmount, uint256 underlyingAmount);

    event ApplyFee(address indexed feeTo, uint256 gain, uint256 fee, uint256 feeShare);
    event UpdateCheckpoint(uint256 checkpointBalance);
}

File 13 of 15 : IBorrowable.sol
pragma solidity >=0.5.0;

interface IBorrowable {
    /*** Tarot ERC20 ***/

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );

    function name() external pure returns (string memory);

    function symbol() external pure returns (string memory);

    function decimals() external pure returns (uint8);

    function totalSupply() external view returns (uint256);

    function balanceOf(address owner) external view returns (uint256);

    function allowance(address owner, address spender)
        external
        view
        returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transfer(address to, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint256);

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /*** Pool Token ***/

    event Mint(
        address indexed sender,
        address indexed minter,
        uint256 mintAmount,
        uint256 mintTokens
    );
    event Redeem(
        address indexed sender,
        address indexed redeemer,
        uint256 redeemAmount,
        uint256 redeemTokens
    );
    event Sync(uint256 totalBalance);

    function underlying() external view returns (address);

    function factory() external view returns (address);

    function totalBalance() external view returns (uint256);

    function MINIMUM_LIQUIDITY() external pure returns (uint256);

    function exchangeRate() external returns (uint256);

    function mint(address minter) external returns (uint256 mintTokens);

    function redeem(address redeemer) external returns (uint256 redeemAmount);

    function skim(address to) external;

    function sync() external;

    function _setFactory() external;

    /*** Borrowable ***/

    event BorrowApproval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    event Borrow(
        address indexed sender,
        address indexed borrower,
        address indexed receiver,
        uint256 borrowAmount,
        uint256 repayAmount,
        uint256 accountBorrowsPrior,
        uint256 accountBorrows,
        uint256 totalBorrows
    );
    event Liquidate(
        address indexed sender,
        address indexed borrower,
        address indexed liquidator,
        uint256 seizeTokens,
        uint256 repayAmount,
        uint256 accountBorrowsPrior,
        uint256 accountBorrows,
        uint256 totalBorrows
    );

    function BORROW_FEE() external pure returns (uint256);

    function collateral() external view returns (address);

    function reserveFactor() external view returns (uint256);

    function exchangeRateLast() external view returns (uint256);

    function borrowIndex() external view returns (uint256);

    function totalBorrows() external view returns (uint256);

    function borrowAllowance(address owner, address spender)
        external
        view
        returns (uint256);

    function borrowBalance(address borrower) external view returns (uint256);

    function borrowTracker() external view returns (address);

    function BORROW_PERMIT_TYPEHASH() external pure returns (bytes32);

    function borrowApprove(address spender, uint256 value)
        external
        returns (bool);

    function borrowPermit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    function borrow(
        address borrower,
        address receiver,
        uint256 borrowAmount,
        bytes calldata data
    ) external;

    function liquidate(address borrower, address liquidator)
        external
        returns (uint256 seizeTokens);

    function trackBorrow(address borrower) external;

    /*** Borrowable Interest Rate Model ***/

    event AccrueInterest(
        uint256 interestAccumulated,
        uint256 borrowIndex,
        uint256 totalBorrows
    );
    event CalculateKink(uint256 kinkRate);
    event CalculateBorrowRate(uint256 borrowRate);

    function KINK_BORROW_RATE_MAX() external pure returns (uint256);

    function KINK_BORROW_RATE_MIN() external pure returns (uint256);

    function KINK_MULTIPLIER() external pure returns (uint256);

    function borrowRate() external view returns (uint256);

    function kinkBorrowRate() external view returns (uint256);

    function kinkUtilizationRate() external view returns (uint256);

    function adjustSpeed() external view returns (uint256);

    function rateUpdateTimestamp() external view returns (uint32);

    function accrualTimestamp() external view returns (uint32);

    function accrueInterest() external;

    /*** Borrowable Setter ***/

    event NewReserveFactor(uint256 newReserveFactor);
    event NewKinkUtilizationRate(uint256 newKinkUtilizationRate);
    event NewAdjustSpeed(uint256 newAdjustSpeed);
    event NewBorrowTracker(address newBorrowTracker);

    function RESERVE_FACTOR_MAX() external pure returns (uint256);

    function KINK_UR_MIN() external pure returns (uint256);

    function KINK_UR_MAX() external pure returns (uint256);

    function ADJUST_SPEED_MIN() external pure returns (uint256);

    function ADJUST_SPEED_MAX() external pure returns (uint256);

    function _initialize(
        string calldata _name,
        string calldata _symbol,
        address _underlying,
        address _collateral
    ) external;

    function _setReserveFactor(uint256 newReserveFactor) external;

    function _setKinkUtilizationRate(uint256 newKinkUtilizationRate) external;

    function _setAdjustSpeed(uint256 newAdjustSpeed) external;

    function _setBorrowTracker(address newBorrowTracker) external;
}

File 14 of 15 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 GSN 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 payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

File 15 of 15 : ISupplyVaultStrategy.sol
pragma solidity >=0.5.0;

import "./IBorrowable.sol";
import "./ISupplyVault.sol";

interface ISupplyVaultStrategy {
    function getBorrowable(address _address) external view returns (IBorrowable);

    function getSupplyRate() external returns (uint256 supplyRate_);

    function allocate() external;

    function deallocate(uint256 _underlyingAmount) external;

    function reallocate(uint256 _underlyingAmount, bytes calldata _data) external;
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_WETH","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"contract ISupplyVault","name":"vault","type":"address"},{"internalType":"uint256","name":"underlyingAmount","type":"uint256"},{"internalType":"contract IBorrowable","name":"toBorrowable","type":"address"}],"name":"enter","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ISupplyVault","name":"vault","type":"address"},{"internalType":"contract IBorrowable","name":"toBorrowable","type":"address"}],"name":"enterETH","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract ISupplyVault","name":"vault","type":"address"},{"internalType":"uint256","name":"underlyingAmount","type":"uint256"}],"name":"enterWithAlloc","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ISupplyVault","name":"vault","type":"address"}],"name":"enterWithAllocETH","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract ISupplyVault","name":"vault","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"name":"enterWithToken","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ISupplyVault","name":"vault","type":"address"},{"internalType":"uint256","name":"share","type":"uint256"}],"name":"leave","outputs":[{"internalType":"uint256","name":"underlyingAmount","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ISupplyVault","name":"vault","type":"address"},{"internalType":"uint256","name":"share","type":"uint256"}],"name":"leaveETH","outputs":[{"internalType":"uint256","name":"underlyingAmount","type":"uint256"}],"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)

00000000000000000000000021be370d5312f44cb42ce377bc9b8a0cef1a4c83

-----Decoded View---------------
Arg [0] : _WETH (address): 0x21be370d5312f44cb42ce377bc9b8a0cef1a4c83

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000021be370d5312f44cb42ce377bc9b8a0cef1a4c83


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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