Contract 0x0d500b1d8e8ef31e21c99d1db9a6444d3adf1270 9


Contract Overview

Polygon: WMATIC Token
312,916,971.873930189179735365 MATIC

MATIC Value:
$462,178,367.46 (@ $1.48/MATIC)

Txn Hash Method
Value [Txn Fee]
0x15630a6f1f4cdf2c04d3dc55331d5e288d4df7c833942395c1916d031ee1bde3Approve203179632021-10-17 16:59:2910 secs ago0x4bc1cc76d45687d4f56843d347390fcd3bffeac9 IN  Polygon: WMATIC Token0 MATIC0.00138363
0x1128f9f2d6c28fda62ba27684186d517cc5c0822c719d64286d52e026cd5e840Approve203179552021-10-17 16:59:1326 secs ago0x2be5948a14554e7b8bf071617224d6ca04fcde7c IN  Polygon: WMATIC Token0 MATIC0.00138327
0xfcb76961d2468336cd88d8d7e7f00ef2deadd2a8b8cf2300351db2359099b95bWithdraw203179522021-10-17 16:59:0732 secs ago0x8413cbddf03c57f4dbb5313f4a2bb39079f2bfe8 IN  Polygon: WMATIC Token0 MATIC0.00105717
0xc5f47c3f86490b489590b4ab0a8228f11f6ce55fe9c724967c4042e4592b64abApprove203179512021-10-17 16:59:0138 secs ago0xaf41856bc538bb0052739eb554c8081877fd0dde IN  Polygon: WMATIC Token0 MATIC0.00230605
0xae815d278981c62b441f6ed394a18faf08ee5f3b3f19acce48f67615a0119f5aWithdraw203179492021-10-17 16:58:5742 secs ago0x38d1a7e8e0ecd80d4248c047971780f62bef6a85 IN  Polygon: WMATIC Token0 MATIC0.000065030524
0x052f449742be134610804e9292c282326c771a4c5ef0b7415558666b042ca975Withdraw203179432021-10-17 16:58:4554 secs ago0xc568ef8bad1ced46a508b7679f80d80237a89d77 IN  Polygon: WMATIC Token0 MATIC0.00105717
0xc360b6fe4ba6350e6631a4a5b4070204ebb7ffd30f1e3759a55ebeaeaf308505Withdraw203179392021-10-17 16:58:371 min ago0x77f7e82b9a818fc7204150beb2a9f9df394c0d45 IN  Polygon: WMATIC Token0 MATIC0.000101315
0x04a35b7d151453bbdae606fd7abb5de8a33a3e1e0531b340ab682c5545853865Withdraw203179362021-10-17 16:58:311 min ago0xbf809368c692e1629c480cdcf16d78474ba01832 IN  Polygon: WMATIC Token0 MATIC0.0020931
0xed2cea1a730626127253a26b21805a6eb87d083426b0649404ced5d380df95e1Transfer203179332021-10-17 16:58:251 min ago0x42fac5673e68d7caec0fb976fa71207cf73aa89d IN  Polygon: WMATIC Token0 MATIC0.00109989
0x20c18208321e544b0abaed7e2a8ae7c25aca61619b13a5523d686a47116808b4Withdraw203179242021-10-17 16:58:061 min ago0x4dd969fb68efbcb58145ae8368d069fb16b24cba IN  Polygon: WMATIC Token0 MATIC0.000141841
0xee28efc3392adb15a1abad12b2a7d6e7bc34cc045db7f36b700274d069d6ef5dWithdraw203179242021-10-17 16:58:061 min ago0x6a0f4200ba32481a16d182454817e52588653d5c IN  Polygon: WMATIC Token0 MATIC0.0002433
0x8dffdad65e2d50d8a38a34ef9965a0731cb32d530b342bb867f25e48b82d5475Approve203179232021-10-17 16:58:041 min ago0x994efe065db3957d1c920aa336d813fbe1f942b8 IN  Polygon: WMATIC Token0 MATIC0.000064306912
0x434cd252fdcf315d2258c07d6d1e1592be4ac4021e46aacf1d33ec948bd5070cDeposit203179172021-10-17 16:57:521 min ago0x891991cf83fea638b57988e8fc60dff08234a485 IN  Polygon: WMATIC Token2 MATIC0.0001486353
0x96b9a1f88bbdd9c5e07060939e1c2ed19f61154e3f6ca37e4edcc5c63c76bf21Approve203179172021-10-17 16:57:521 min ago0x9b96f6376714bda6ff63dc3406ffc7da1a9847a7 IN  Polygon: WMATIC Token0 MATIC0.00005247891
0x92794f16c3594953f2d086d15025492cb5519b56e90d84ec46b9d9a91b4fc45dWithdraw203179122021-10-17 16:57:421 min ago0xde30acae712f090c0c3a255f61bfae876d491f6e IN  Polygon: WMATIC Token0 MATIC0.000121578
0x54db5ac3ce51b0c7236504a05856a01e941ae23f556c0be155435654eb6d384cApprove203179102021-10-17 16:57:382 mins ago0xbf809368c692e1629c480cdcf16d78474ba01832 IN  Polygon: WMATIC Token0 MATIC0.0045869
0x904fcdc5dd7744a4a496a4875626b15d3fdce3a53534b65e8848a2cc36c25293Deposit203179092021-10-17 16:57:362 mins ago0xaca0dd24c3dbbb762a43e29f3b9a5b6cdbe10e61 IN  Polygon: WMATIC Token1 MATIC0.000270246
0xb9b99b2002a9e680925bb2628c7d19c52176eb5024f6e4f2763a81912a39f47eWithdraw203179092021-10-17 16:57:362 mins ago0x0e9038429250e1555bd476723fcc9eb576d35477 IN  Polygon: WMATIC Token0 MATIC0.00060789
0x36d8736d2b84a03d814ac9087bb694f37338ae49946be2abb5cb4c44f89a2bb4Withdraw203178992021-10-17 16:57:162 mins ago0xb69496c8ba34a928701891bea6840b5a4f8c3a82 IN  Polygon: WMATIC Token0 MATIC0.00062829
0xcdcee40fc365c78fc8502989132d88dbb91df74717cf7b136931ee63102e2504Withdraw203178982021-10-17 16:57:142 mins ago0x748b8c6aae9461510382a3758835d40355cf39f7 IN  Polygon: WMATIC Token0 MATIC0.00060825
0x467c2e7cc5c6fdf33a940d7ef314505ad5613f90adebf3c6a98b6b7392f14958Withdraw203178802021-10-17 16:56:343 mins ago0xef35e19734f0e614a145dffaff406084295b824c IN  Polygon: WMATIC Token0 MATIC0.0020919
0x21c849409cee7ca573fc54e3d1f67c9ca455ede323405eff51b8ed442159ef36Withdraw203178762021-10-17 16:56:263 mins ago0x6c64235ec846bb8c0d26e58e724db91033aa7648 IN  Polygon: WMATIC Token0 MATIC0.00060789
0xed4cad62f0721c3db6be9b68060517d53fbe31deda62935913ea188d540b1d1bDeposit203178742021-10-17 16:56:223 mins ago0xfd3ee915ebb29ded0f17ff36e76e83cc352dd3f5 IN  Polygon: WMATIC Token3 MATIC0.002071886
0x25121fc2ee6d362ce011a495909d60fc0b4b18b2318c8a6b98268b27a1f585edDeposit203178512021-10-17 16:55:364 mins ago0x0f730054c3b0a68ea52094e713d494edf95e81eb IN  Polygon: WMATIC Token1 MATIC0.00135123
0xf956abe20487ea89dd0e5cc38dbfe89e5996a1f6c3a94d2465a4460024835906Approve203178462021-10-17 16:55:264 mins ago0x2a08d896a9386a65b23cd279f6029cf369992e5a IN  Polygon: WMATIC Token0 MATIC0.00138291
[ Download CSV Export 


Polygon combines the best of Ethereum and sovereign blockchains into a full-fledged multi-chain system.

Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xa87c657ad9a675350a07be657dbdfeda5ed324f596334aff8e2696b31937f403203179562021-10-17 16:59:1524 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.001 MATIC
0x1b8f1c497f424d4b475ebd8ff6c72f5d6039ba28b148cf45d991034b7ef68980203179562021-10-17 16:59:1524 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.0001 MATIC
0xf6f6119848129d951b4dc85b834c8992fd077d948d83b1ef89852410a38520dd203179562021-10-17 16:59:1524 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.0014 MATIC
0x1bfb669a07c8cbe5a895addd870cfd8cba2368982a15ec627cc4c1dfd7557efc203179562021-10-17 16:59:1524 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token1 MATIC
0x3ad3ec240b2cb9e72e8c8b1951de7101b4206865b10d4ad6e7b567318c00baed203179562021-10-17 16:59:1524 secs ago Polygon: WMATIC Token QuickSwap: Router6.878976642164290477 MATIC
0xfc5012ff7340a7b7583076cd379363b42e86ca339051f3809657abf2fe61464d203179562021-10-17 16:59:1524 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.0001 MATIC
0x4a8a0c6f401cea480499beb37e9656cf068e661aacca40ebde8c551dde343db5203179562021-10-17 16:59:1524 secs ago 0xf231be40d73a9e73d859955344a4ff74f448df34 Polygon: WMATIC Token0.0001 MATIC
0xf4fc61dc6bd9e82e9dd963ea519e2a28cbcab3d0c22323ed126661140da94d5b203179562021-10-17 16:59:1524 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.001 MATIC
0x980c2ad9ee95209f91c515ad5f1f1ad9063c989f618748ef8837f0e66935bf38203179562021-10-17 16:59:1524 secs ago 0xf231be40d73a9e73d859955344a4ff74f448df34 Polygon: WMATIC Token0.0001 MATIC
0x9d36f4181d76646f99da6a36df81176b2d717a1ca5add59af8abbaeeb90639ac203179552021-10-17 16:59:1326 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.5 MATIC
0x4e66c34cf2736d745d7572dfaca219a0b5014b4d2edfe38daa81c81d3dab664c203179552021-10-17 16:59:1326 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.000715 MATIC
0x66ea94e08d28dbad25ad011f1bf666e4df8d4b4e1ae9c4f4a9ed260a6955d019203179552021-10-17 16:59:1326 secs ago Polygon: WMATIC Token 0xf2e4209afa4c3c9eaa3fb8e12eed25d8f328171c7.507030836938912101 MATIC
0x3dc2468f735f4363f950bf2f41cd008f58b29bd34d136c35c2bc28142ef564ff203179552021-10-17 16:59:1326 secs ago Polygon: WMATIC Token 0xdb6f1920a889355780af7570773609bd8cb1f4982.252246733658123287 MATIC
0x30b6c7ba5e6c639335f8fc1735ab6a3b2f5ec9676f8885fafd248bd6120ff23e203179552021-10-17 16:59:1326 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.000001 MATIC
0xe03a5edacc8e552034a3ae4b758a47ee2bacbcac0f5d912ff2c2e72956fb90d1203179552021-10-17 16:59:1326 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token100 MATIC
0x998e6133743a8da50315353e52b8ab3c0ad2f98151dfb730cc8d92cb7e4462c0203179552021-10-17 16:59:1326 secs ago 0xf231be40d73a9e73d859955344a4ff74f448df34 Polygon: WMATIC Token0.001 MATIC
0x1e9f23e71ef326f9008315b7bebf536744bd3c0a581e18690d2f9b17ade137b6203179542021-10-17 16:59:1128 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.5 MATIC
0x7135c47391c022c944d2a520398ae4aac546ac37c13d57688ad73b7f8641d37a203179542021-10-17 16:59:1128 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.000000000001 MATIC
0x7d191fe8f2500631c8959cb31b33f694f76f9d3a160d305a581e14c002c78e7d203179542021-10-17 16:59:1128 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.0001 MATIC
0x4525486a76222c8f3c8f39a85bc53b82aec90b9f204bc1a8c9006c5e348b68e3203179542021-10-17 16:59:1128 secs ago Polygon: WMATIC Token QuickSwap: Router0.232491952878349667 MATIC
0x6632a789b1577e851aaadc9bede6e22ae48f4438cddc56eafd3da175cda14c23203179542021-10-17 16:59:1128 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.001 MATIC
0xb66817152138864eef197d48d33dbc687ab1889ab74c64d78ab12623ee87da41203179542021-10-17 16:59:1128 secs ago 0xf231be40d73a9e73d859955344a4ff74f448df34 Polygon: WMATIC Token0.001 MATIC
0x16202b6f033345268fbc7f9039dc4e769b5aecd4ba31b0e1dbd13ce0a58cee82203179542021-10-17 16:59:1128 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.01 MATIC
0x7542bb92c6baf1ef01783b21e9e5b050f5269d7fa40fa55f591f153b5cc039cf203179542021-10-17 16:59:1128 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.00000000000001 MATIC
0x785f203ea2882cb9fc883418dc4063b3c511571a0636d12dbbe03c4be057371d203179542021-10-17 16:59:1128 secs ago 0xdb6f1920a889355780af7570773609bd8cb1f498 Polygon: WMATIC Token0.0001 MATIC
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Contract Source Code Verified (Exact Match)

Contract Name:

Compiler Version

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, MIT license
 *Submitted for verification at on 2021-06-09

// DeFi multi-chain yield farms deployer & DEXs aggregator.

// Copyright (C) 2015, 2016, 2017 Dapphub

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <>.

pragma solidity ^0.4.18;

contract WMATIC {
    string public name     = "Wrapped Matic";
    string public symbol   = "WMATIC";
    uint8  public decimals = 18;

    event  Approval(address indexed src, address indexed guy, uint wad);
    event  Transfer(address indexed src, address indexed dst, uint wad);
    event  Deposit(address indexed dst, uint wad);
    event  Withdrawal(address indexed src, uint wad);

    mapping (address => uint)                       public  balanceOf;
    mapping (address => mapping (address => uint))  public  allowance;

    function() public payable {
    function deposit() public payable {
        balanceOf[msg.sender] += msg.value;
        Deposit(msg.sender, msg.value);
    function withdraw(uint wad) public {
        require(balanceOf[msg.sender] >= wad);
        balanceOf[msg.sender] -= wad;
        Withdrawal(msg.sender, wad);

    function totalSupply() public view returns (uint) {
        return this.balance;

    function approve(address guy, uint wad) public returns (bool) {
        allowance[msg.sender][guy] = wad;
        Approval(msg.sender, guy, wad);
        return true;

    function transfer(address dst, uint wad) public returns (bool) {
        return transferFrom(msg.sender, dst, wad);

    function transferFrom(address src, address dst, uint wad)
        returns (bool)
        require(balanceOf[src] >= wad);

        if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {
            require(allowance[src][msg.sender] >= wad);
            allowance[src][msg.sender] -= wad;

        balanceOf[src] -= wad;
        balanceOf[dst] += wad;

        Transfer(src, dst, wad);

        return true;

                    GNU GENERAL PUBLIC LICENSE
                       Version 3, 29 June 2007

 Copyright (C) 2007 Free Software Foundation, Inc. <>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.


  The GNU General Public License is a free, copyleft license for
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appropriately publish on each copy an appropriate copyright notice;
keep intact all notices stating that this License and any
non-permissive terms added in accord with section 7 apply to the code;
keep intact all notices of the absence of any warranty; and give all
recipients a copy of this License along with the Program.

  You may charge any price or no price for each copy that you convey,
and you may offer support or warranty protection for a fee.

  5. Conveying Modified Source Versions.

  You may convey a work based on the Program, or the modifications to
produce it from the Program, in the form of source code under the
terms of section 4, provided that you also meet all of these conditions:

    a) The work must carry prominent notices stating that you modified
    it, and giving a relevant date.

    b) The work must carry prominent notices stating that it is
    released under this License and any conditions added under section
    7.  This requirement modifies the requirement in section 4 to
    "keep intact all notices".

    c) You must license the entire work, as a whole, under this
    License to anyone who comes into possession of a copy.  This
    License will therefore apply, along with any applicable section 7
    additional terms, to the whole of the work, and all its parts,
    regardless of how they are packaged.  This License gives no
    permission to license the work in any other way, but it does not
    invalidate such permission if you have separately received it.

    d) If the work has interactive user interfaces, each must display
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    work need not make them do so.

  A compilation of a covered work with other separate and independent
works, which are not by their nature extensions of the covered work,
and which are not combined with it such as to form a larger program,
in or on a volume of a storage or distribution medium, is called an
"aggregate" if the compilation and its resulting copyright are not
used to limit the access or legal rights of the compilation's users
beyond what the individual works permit.  Inclusion of a covered work
in an aggregate does not cause this License to apply to the other
parts of the aggregate.

  6. Conveying Non-Source Forms.

  You may convey a covered work in object code form under the terms
of sections 4 and 5, provided that you also convey the
machine-readable Corresponding Source under the terms of this License,
in one of these ways:

    a) Convey the object code in, or embodied in, a physical product
    (including a physical distribution medium), accompanied by the
    Corresponding Source fixed on a durable physical medium
    customarily used for software interchange.

    b) Convey the object code in, or embodied in, a physical product
    (including a physical distribution medium), accompanied by a
    written offer, valid for at least three years and valid for as
    long as you offer spare parts or customer support for that product
    model, to give anyone who possesses the object code either (1) a
    copy of the Corresponding Source for all the software in the
    product that is covered by this License, on a durable physical
    medium customarily used for software interchange, for a price no
    more than your reasonable cost of physically performing this
    conveying of source, or (2) access to copy the
    Corresponding Source from a network server at no charge.

    c) Convey individual copies of the object code with a copy of the
    written offer to provide the Corresponding Source.  This
    alternative is allowed only occasionally and noncommercially, and
    only if you received the object code with such an offer, in accord
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    d) Convey the object code by offering access from a designated
    place (gratis or for a charge), and offer equivalent access to the
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    may be on a different server (operated by you or a third party)
    that supports equivalent copying facilities, provided you maintain
    clear directions next to the object code saying where to find the
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    e) Convey the object code using peer-to-peer transmission, provided
    you inform other peers where the object code and Corresponding
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    charge under subsection 6d.

  A separable portion of the object code, whose source code is excluded
from the Corresponding Source as a System Library, need not be
included in conveying the object code work.

  A "User Product" is either (1) a "consumer product", which means any
tangible personal property which is normally used for personal, family,
or household purposes, or (2) anything designed or sold for incorporation
into a dwelling.  In determining whether a product is a consumer product,
doubtful cases shall be resolved in favor of coverage.  For a particular
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typical or common use of that class of product, regardless of the status
of the particular user or of the way in which the particular user
actually uses, or expects or is expected to use, the product.  A product
is a consumer product regardless of whether the product has substantial
commercial, industrial or non-consumer uses, unless such uses represent
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  "Installation Information" for a User Product means any methods,
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and execute modified versions of a covered work in that User Product from
a modified version of its Corresponding Source.  The information must
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code is in no case prevented or interfered with solely because
modification has been made.

  If you convey an object code work under this section in, or with, or
specifically for use in, a User Product, and the conveying occurs as
part of a transaction in which the right of possession and use of the
User Product is transferred to the recipient in perpetuity or for a
fixed term (regardless of how the transaction is characterized), the
Corresponding Source conveyed under this section must be accompanied
by the Installation Information.  But this requirement does not apply
if neither you nor any third party retains the ability to install
modified object code on the User Product (for example, the work has
been installed in ROM).

  The requirement to provide Installation Information does not include a
requirement to continue to provide support service, warranty, or updates
for a work that has been modified or installed by the recipient, or for
the User Product in which it has been modified or installed.  Access to a
network may be denied when the modification itself materially and
adversely affects the operation of the network or violates the rules and
protocols for communication across the network.

  Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.

  7. Additional Terms.

  "Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law.  If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.

  When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it.  (Additional permissions may be written to require their own
removal in certain cases when you modify the work.)  You may place
additional permissions on material, added by you to a covered work,
for which you have or can give appropriate copyright permission.

  Notwithstanding any other provision of this License, for material you
add to a covered work, you may (if authorized by the copyright holders of
that material) supplement the terms of this License with terms:

    a) Disclaiming warranty or limiting liability differently from the
    terms of sections 15 and 16 of this License; or

    b) Requiring preservation of specified reasonable legal notices or
    author attributions in that material or in the Appropriate Legal
    Notices displayed by works containing it; or

    c) Prohibiting misrepresentation of the origin of that material, or
    requiring that modified versions of such material be marked in
    reasonable ways as different from the original version; or

    d) Limiting the use for publicity purposes of names of licensors or
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    e) Declining to grant rights under trademark law for use of some
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    f) Requiring indemnification of licensors and authors of that
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    those licensors and authors.

  All other non-permissive additional terms are considered "further
restrictions" within the meaning of section 10.  If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term.  If a license document contains
a further restriction but permits relicensing or conveying under this
License, you may add to a covered work material governed by the terms
of that license document, provided that the further restriction does
not survive such relicensing or conveying.

  If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.

  Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions;
the above requirements apply either way.

  8. Termination.

  You may not propagate or modify a covered work except as expressly
provided under this License.  Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).

  However, if you cease all violation of this License, then your
license from a particular copyright holder is reinstated (a)
provisionally, unless and until the copyright holder explicitly and
finally terminates your license, and (b) permanently, if the copyright
holder fails to notify you of the violation by some reasonable means
prior to 60 days after the cessation.

  Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.

  Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License.  If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.

  9. Acceptance Not Required for Having Copies.

  You are not required to accept this License in order to receive or
run a copy of the Program.  Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance.  However,
nothing other than this License grants you permission to propagate or
modify any covered work.  These actions infringe copyright if you do
not accept this License.  Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.

  10. Automatic Licensing of Downstream Recipients.

  Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License.  You are not responsible
for enforcing compliance by third parties with this License.

  An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations.  If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.

  You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License.  For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.

  11. Patents.

  A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based.  The
work thus licensed is called the contributor's "contributor version".

  A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version.  For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.

  Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.

  In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement).  To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.

  If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients.  "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.

  If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.

  A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License.  You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.

  Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.

  12. No Surrender of Others' Freedom.

  If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License.  If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all.  For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.

  13. Use with the GNU Affero General Public License.

  Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
combined work, and to convey the resulting work.  The terms of this
License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.

  14. Revised Versions of this License.

  The Free Software Foundation may publish revised and/or new versions of
the GNU General Public License from time to time.  Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.

  Each version is given a distinguishing version number.  If the
Program specifies that a certain numbered version of the GNU General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation.  If the Program does not specify a version number of the
GNU General Public License, you may choose any version ever published
by the Free Software Foundation.

  If the Program specifies that a proxy can decide which future
versions of the GNU General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.

  Later license versions may give you additional or different
permissions.  However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.

  15. Disclaimer of Warranty.


  16. Limitation of Liability.


  17. Interpretation of Sections 15 and 16.

  If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.

                     END OF TERMS AND CONDITIONS

            How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.

  To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <>.

Also add information on how to contact you by electronic and paper mail.

  If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:

    <program>  Copyright (C) <year>  <name of author>
    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
    This is free software, and you are welcome to redistribute it
    under certain conditions; type `show c' for details.

The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License.  Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".

  You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see

  The GNU General Public License does not permit incorporating your program
into proprietary programs.  If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library.  If this is what you want to do, use the GNU Lesser General
Public License instead of this License.  But first, please read


Contract Security Audit

Contract ABI



Deployed ByteCode Sourcemap


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