Contract 0x3E9F34309B2f046F4f43c0376EFE2fdC27a10251

Txn Hash Method
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Value [Txn Fee]
0x919be0e9dfd4426990ee2ec2df57649c53a421bae4d474ba5cbfbb9baf31a4e4Enter242541582021-12-07 12:44:121 min ago0xe120be880d79aded4cdbf6f2f9ef880987c82dc8 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.098921292373
0x842fdeed8010327f31d37d79f32845e8666fb2b6769d37fe4a478b1407b4dc09Leave242532472021-12-07 12:31:1214 mins ago0xc15440e1268e6de3127c681f9c57375527200c0e IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.144539637756
0xd942c9d7527040e6b2ea24ef10b1279431ee33cb2ab6c7e891daffeb3b2dec85Enter242529702021-12-07 12:27:0318 mins ago0xed411a988b7cc9099e0f8339ec50f42dc11e3fb2 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.07208393037
0x051e6ac247c7c3fb2c23c865241b81fa53577cd0da8d282ab08c9c6081f8c397Enter242528562021-12-07 12:25:0820 mins ago0x1099ef4783ae43cb26e86327d15e0aa812b87912 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.075044743321
0xe2193b4c8d29959945432e1b530b948433db54fdc745922b7bd834f494658791Enter242525332021-12-07 12:20:5625 mins ago0x6eb13bf70edaade22b0c5a7f0de7138ce96d53db IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.072878625818
0x518727224bc77ee87806446fde945a55e4834375b9ef00b02da296a67b67b84fEnter With Token242524582021-12-07 12:19:5825 mins ago0x6eb13bf70edaade22b0c5a7f0de7138ce96d53db IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.072141898768
0xb369059c6f20bfd9379bfadc0d3eb2edd4d66d75e6fb013b4358606701ffaad0Leave ETH242511952021-12-07 12:02:2543 mins ago0x5a464e88d80648bef4e4e741d5b202c2872ea566 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.761517593764
0xbf7ecb70c649ab4272e3d1a4950580211242f2faa1173194890a49cc192b6c04Enter242482312021-12-07 11:20:001 hr 25 mins ago0xc2a79f77b83907c8d7f143e8db721908ba1b439f IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.085216681428
0xc023d70d55ca2032878e8d3beb60dad3eaeba7d4d78b934f6e0ee9c1b4ec7d5aEnter242469542021-12-07 11:03:181 hr 42 mins ago0x2ddbb811f1b310efc1d7c31b426f82d6dcf584f4 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.091418725891
0xfe854a7782aaee5abf9ed18ca3b95619c1f8d48758952afe7689e135bd9dbc21Enter242469132021-12-07 11:02:441 hr 43 mins ago0x2dbee9e7ba6ad69f722df97feffe23e1d68b3cc1 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.098115115534
0x937ba7c43b16148abf57a71337eb96fbae2c3576e43af1d72938cdf2ea455d9eEnter With Token242454042021-12-07 10:41:052 hrs 4 mins ago0x9fd3fc10b9f084494ce5d3e31d5122fb57b9f5f8 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.61001195364
0x0693ace264d40c44c744a5a6534a920b5241f71e54e39763b6eb3e4b826fccb1Enter242452662021-12-07 10:38:522 hrs 7 mins ago0xe97fecebde0e222c4dfded8f9da7a8dd8f8559bb IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.088527436844
0xc0a2a94241202e5e08ed582d4f778ca6100ffc3d23b6d775d4193f431219f24bEnter242449482021-12-07 10:33:442 hrs 12 mins ago0x976d27d230f1d6fb0613d8cb40d368e9ea083ddd IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.08442346
0x2ed749952f4425c73276b1721db89933cd6ed95ba541c1494e28d5f0d2e6e799Enter242446902021-12-07 10:30:172 hrs 15 mins ago0xb84b77405e4c75d0167d97ca755712d6e6f61fb3 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.092822777212
0x3ab15042116c00425c2aa37860273957924cc295e3ddd27e01277c2c64da7216Enter242445532021-12-07 10:28:312 hrs 17 mins ago0x7ed8e27576109b9b43b62d7625a418cac33e4aa9 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.10951189158
0xb762c7fae17813c8c23cd8fc58f00f4b3073ee12d0af538c3e6c660f603d4b3cLeave ETH242444282021-12-07 10:26:502 hrs 19 mins ago0x9fd3fc10b9f084494ce5d3e31d5122fb57b9f5f8 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.988811728268
0xebddbec91fcad28f047d47686071060cbe3cd12a945722c1c9182180d48dd6e1Enter242440652021-12-07 10:21:362 hrs 24 mins ago0x17e071372ba2c7ec0d21030e27db41e9ab74b2eb IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.11076526161
0x773eeeb4ddb37fb461f0038b155edb9a95a0bf765388ab2190e8e06b3b79859dEnter242437632021-12-07 10:14:222 hrs 31 mins ago0x557947f2d6d592f7861e916c12bd3058ace9cb81 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.059605409671
0xb72f8cbcc0a28d5d919d2feace273fe4070ac88f17188647b37cccac2f002015Enter ETH242426292021-12-07 9:57:092 hrs 48 mins ago0xbc16882feef2fc872291a4dccf2e54fde1a4e2a0 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102515,523.488630638412563 FTM0.331694423308
0x92331ab1ebd5278de6b3197396bcefeeb7fe7ef990306500a6ce85947515a9e8Enter242426122021-12-07 9:56:572 hrs 48 mins ago0x4b7292679d439ccd83b972a5ff848b47391affca IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.04722938
0xcc23507fdb6f72267399cf35317e5c5a2525e1e687a026a9c9fe2bfd4d70e669Enter242425452021-12-07 9:56:072 hrs 49 mins ago0xe8827c25595873cc89a2f98323d60b3106b337cf IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.061231345481
0xaad74be33c5c007c7087dc354998d29f35e72123d0325fca710a6287008fb147Enter242421492021-12-07 9:50:582 hrs 54 mins ago0x19b299a8878df209e274233a709673376cf4052e IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.066319366588
0x20e60234645dcf472698c2375d9422f176bc83767f224e6d45c7fbc9c04c80c1Leave242418522021-12-07 9:46:562 hrs 59 mins ago0xd1bdbf7bec76d6e3918cd3aa34028caadd3f424b IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.086747357535
0xb94644af11ce51c9e623cf42f2a27c75043ff35507dd73130a150ab7612383d2Leave242417262021-12-07 9:44:583 hrs ago0xb70d4ddd9a8e89349b5f0a2476910cc9d69b27e1 IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.080986298632
0x46652fb1cb546dabf21ee4f887107924735e39ef32759226ed26a2dc66af325aEnter242406982021-12-07 9:28:203 hrs 17 mins ago0xce6c0bd926a76d715c829be4965ad064447d754f IN  0x3e9f34309b2f046f4f43c0376efe2fdc27a102510 FTM0.060378645849
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xb369059c6f20bfd9379bfadc0d3eb2edd4d66d75e6fb013b4358606701ffaad0242511952021-12-07 12:02:2543 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x5a464e88d80648bef4e4e741d5b202c2872ea566255.109320077303552902 FTM
0xb369059c6f20bfd9379bfadc0d3eb2edd4d66d75e6fb013b4358606701ffaad0242511952021-12-07 12:02:2543 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251255.109320077303552902 FTM
0xb762c7fae17813c8c23cd8fc58f00f4b3073ee12d0af538c3e6c660f603d4b3c242444282021-12-07 10:26:502 hrs 19 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x9fd3fc10b9f084494ce5d3e31d5122fb57b9f5f8185.923102244955918566 FTM
0xb762c7fae17813c8c23cd8fc58f00f4b3073ee12d0af538c3e6c660f603d4b3c242444282021-12-07 10:26:502 hrs 19 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251185.923102244955918566 FTM
0xb72f8cbcc0a28d5d919d2feace273fe4070ac88f17188647b37cccac2f002015242426292021-12-07 9:57:092 hrs 48 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token5,523.488630638412563401 FTM
0xb72f8cbcc0a28d5d919d2feace273fe4070ac88f17188647b37cccac2f002015242426292021-12-07 9:57:092 hrs 48 mins ago 0xbc16882feef2fc872291a4dccf2e54fde1a4e2a0 0x3e9f34309b2f046f4f43c0376efe2fdc27a102515,523.488630638412563401 FTM
0x87883ed9c3b7f294b5cb14d61cb6a795d8c689b152b1bc07d107e3275869244f242403742021-12-07 9:24:043 hrs 21 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510xc60fabf2420b5cd0712389ddcc923bbcda16d74c476.709190208547643018 FTM
0x87883ed9c3b7f294b5cb14d61cb6a795d8c689b152b1bc07d107e3275869244f242403742021-12-07 9:24:043 hrs 21 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251476.709190208547643018 FTM
0x67204b39f842274372e3edde9e24ace6031cdba13ca822e7cdf1df7aeb361e26242394022021-12-07 9:08:053 hrs 37 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510xf21f14f7c780e7ab2660dcc7135a9210c3ef8dc4590.009446859990170901 FTM
0x67204b39f842274372e3edde9e24ace6031cdba13ca822e7cdf1df7aeb361e26242394022021-12-07 9:08:053 hrs 37 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251590.009446859990170901 FTM
0xd7fd819219e9e4f67266fc9afd475536641b6b68fdf30e4eb9f15655e35c5a70242387542021-12-07 8:57:013 hrs 48 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x87a07c2a7f0ee40df010c87cb1ebf45a5168f259115.645850243397112149 FTM
0xd7fd819219e9e4f67266fc9afd475536641b6b68fdf30e4eb9f15655e35c5a70242387542021-12-07 8:57:013 hrs 48 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251115.645850243397112149 FTM
0x75fbb08623c3c5b0c289a4c091f16c167f70d23cb26381cfbf404f501ce286ad242373052021-12-07 8:34:264 hrs 11 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token900 FTM
0x75fbb08623c3c5b0c289a4c091f16c167f70d23cb26381cfbf404f501ce286ad242373052021-12-07 8:34:264 hrs 11 mins ago 0x096eea213800e75a318b8db790a843c2a7343416 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251900 FTM
0x16f47680937530e094e551327690e2e2cee4ccc495ceedc4c8260f5c27bd2681242353002021-12-07 8:07:234 hrs 38 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token658,478.946895473514296069 FTM
0x16f47680937530e094e551327690e2e2cee4ccc495ceedc4c8260f5c27bd2681242353002021-12-07 8:07:234 hrs 38 mins ago 0x461c8ca657f08d5f39b051b045e8202e60cba4a5 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251658,478.946895473514296069 FTM
0xe5141f556a1a40ccc4302195fdfadb8727b00d1803d753f035eff6e82e3bae63242342702021-12-07 7:53:424 hrs 52 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x6ab6ea66048b1cac3398341e1392589c9237886810.002659354108912885 FTM
0xe5141f556a1a40ccc4302195fdfadb8727b00d1803d753f035eff6e82e3bae63242342702021-12-07 7:53:424 hrs 52 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a1025110.002659354108912885 FTM
0xc1ca8ad49d84eea282d3bfeb1f30a0810e78a2c8270bfd9a54b3016bd6cfabbe242311522021-12-07 7:09:475 hrs 36 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a102510x4dc834b52a7308b39d287c8b210a3f1a2a2c541170.221346548613311175 FTM
0xc1ca8ad49d84eea282d3bfeb1f30a0810e78a2c8270bfd9a54b3016bd6cfabbe242311522021-12-07 7:09:475 hrs 36 mins ago Fantom Finance: Wrapped Fantom Token 0x3e9f34309b2f046f4f43c0376efe2fdc27a1025170.221346548613311175 FTM
0xca8d7cdec74e10d8c040fa7251c1fa8278a3c81a6d9ce9a3a8ae099c590427bb242283772021-12-07 6:30:056 hrs 15 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token160 FTM
0xca8d7cdec74e10d8c040fa7251c1fa8278a3c81a6d9ce9a3a8ae099c590427bb242283772021-12-07 6:30:056 hrs 15 mins ago 0x39e2a594b7db199cee8480c872f0e320943a7650 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251160 FTM
0x97d211d16773891054a896b32ccad72c5e0c838d96d35c18bf97738931a3f600242279492021-12-07 6:24:026 hrs 21 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token7,200 FTM
0x97d211d16773891054a896b32ccad72c5e0c838d96d35c18bf97738931a3f600242279492021-12-07 6:24:026 hrs 21 mins ago 0x1c74e6e85bf53f1b6c56465e1a5f7bf56c3ebcb7 0x3e9f34309b2f046f4f43c0376efe2fdc27a102517,200 FTM
0x853d31ef789b4d66a0da7936c269e3c18f3c536a0ba2247e2bb555f2fbcfaf0f242259692021-12-07 5:57:486 hrs 48 mins ago 0x3e9f34309b2f046f4f43c0376efe2fdc27a10251 Fantom Finance: Wrapped Fantom Token705 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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