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Contract Diff Checker

Contract Name:
ASHES
Contract Address:
0x7bfbff50ddc6ade7274232609d461a5f18f8c3c7

Contract Source Code:

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title: The Hallowed
/// @author: manifold.xyz

import "./manifold/ERC721Creator.sol";

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//    โ–ˆโ–ˆโ–ˆโ–„โ–„โ–€โ–ˆโ–ˆโ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ• โ–€โ–€โ•จโ–€โ–€โ–€โ–€โ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
//                                                                                        //
//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–„โ‰ˆ;โ–„โ•ฅ A โ•“โ•“ฮฑ โ•“,โ•ฅโ•™โ• "โ–€โ–€โ•™โ–€โ–€โ–€โ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œโ‰กwโ•จโ”‚k, µ."Öโ–„โ•™โ–„Ñ ฯ„โ–€โ–“;Ç",ฯ„ªLฮฑ-2 โ•“YโŒโ•™โ•“โ–ŒÉโ•™โ–€โ•™Iโ–€โ–€โ–€โ–ˆโ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œโ–“โ”€`โ–„ฮ“โ”€lโ•” โ•˜, MJ"โ•จæโ•™โ•™โ•˜โ”Œ โ•™. "โ‰คโ–„โŒr^ฮฆโ•ฮ“^' โ–“โ•ฉvโ–„Wโ”Œ."โ–„โ””โ•˜ฯ„¬zr/โ”ดโ–„Lโ”˜โ–€โ–Œโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œโ–€%º¬ .โ•, í.โ•’ โ”Œ โฟ,_ +   โฟฯ†<โ–„โ–ˆโ–ˆโ•ฆ`  โ•”  " โ”€    `     โŒ '^ C+M' โ•ฆ 7 โ–„^Üโ–„Ñโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆw/,A ฮ“¬\ โ•“ โˆฉโ”” Jf "     โ–„โ–“โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ~_   7   `   ²    '     โ‰ฅ`'_¬ โ”€ fíโ•’(โ–ˆโ•Ÿโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ+ฮ“"`โ”‚ โ”€ Lโ• โ”€โ–โ–Œ" `โ–„  โˆšโ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ”€"โ”€       .  โ”€   " โ”ฌ]   ฮ“       โ–„.rJโ–Œโ•™โ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œฦ’b"''\โ”Œ .โ•—โ•โ–€โ•˜ฮ“.  'โ–„โ•ž^โ–“โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโŒโ”€"โ•’   _   .     โ” ฮฑ"^โŒ‚,      , โ”˜^โ–M¢โ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–€โ”ฌฯ„โ–„ ` โ•˜ โ•’ โ•™ ฮฉLโ–„wkโ•Ÿโ–“โ–€Mโ–โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–„ ,  โ”  `        ''   โ•   โฟ%aโ”Œโ•Ÿ"โ–“โ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ "ฮ“`โ”€v      โ”€'Éโ–ˆ^ โˆžโ–€โ–€c'ฮ“โ•™โ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ         '  G`  . โ”€โ–Œ ¬,`   โ–ˆ`โ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œ โ•ฅโˆฉ.'      `โ•ฅโ–ˆโ–ˆโ–Œ          .โ•™โ–€โ”˜โ•โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–„      ,.โ–„.ç  '  _>Çโ”€โ”€ โ•™"'โ–Œ โ–“โ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œโ”€ โ” .      โ–„โ–€ โ•ซโ”€    โ”Œ    โ”˜โ•“   โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œ      โ”” .โ•    'โ–„`โ”Œ  โ•ฅ_.โ–" โ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ”˜' ' .  โ–„_ ª"  โ–u    .^      โ–„โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–„.           .'  _โ”Œ  Lโ–ˆ โ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–„.ฦ’     โ–ˆโ–ˆโ–ˆโ–“โ–“โ–„โ–„โ–„โ–„โ–„โ–„       ,โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ•™"โ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ,    โ”€   "    ;ฦ’ t-โ•“โ–Œโ•“โ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ/ โ–„    โ•ซโ–Œโ– «โ•“โ•ฅโ–„โ‰ˆโ•ฃโ•Ÿโ–ˆโ–„โ–ˆโ–“โ–€โ–โ–“โ–ˆโ–ˆโ–ˆโ–ˆโ–€โ–€โ”Œ ฯ„โ–“โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–„'     โ”€^  -çโ•“^` โ–"โ•Ÿโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ¬L .   โ–€โ–ˆโ–ˆโ–€โ–€โ–€ฯ†โ–„โ–„Wโ–ˆโ–ˆโ–ˆโ–ˆโ–„โ–ˆโ–ˆโ–ˆโ–ˆโ–€\ โ•“โ–„โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œ,  โ”Œ    7`โ•šโŒ  โ•ซ โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œโ–„        โ–ˆโ–ˆโ–“โ‰กโ‰ฅwโ–„โ–ˆโ–Œโ•™โ–ˆโ–ˆโ–ˆโ•จ""โ””โ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–€โ–€โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–“โ–„โ–„โ–„โ”€ฦ’ฯ„โ”Œt โ–Œโ–โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–„L โ”€', โ–„โ–ˆโ–€โ•™โ–ˆ    โ–โ–€โ–€โ–“โ–„Åโ–ˆ_   _โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–€โ–€โ•Ÿโ–ˆโ–ˆโ–„],โ–„โ–„โ–„โ–„โ”€' .  ¬โ•šโ–€โ–ˆโ–ˆโ–ˆโ–€LL Jโ”€  โ–โ”€โ•Ÿโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ" โŒโ”€  โ–ˆโ–Œ  โ”€โ•šโ–ˆโŒ โ–„โ–Œ " โ•™โ–Œ โ–€โ–ˆ_  โ–ˆโ–ˆโ–ˆโ–ˆโ”€ โ”€โ–“โ–€โ–„โ–ˆโ–ˆโ–ˆโ•™"โ””โ””โ•™โ–€โ–ˆโ–„     ` .  '"'โ”˜โˆฉÉ โ•ซMโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ”€`  }โ–ˆโ–Œ ^โ”€โ”€'โ–ˆโ–„โ–ˆ\     โ•ซโ–Œ`โ•™โ–ˆโ–ˆโ”โ–ˆโ–ˆโ–ˆโ–ˆ โ•“โ–ˆโ•ฃโ–ˆโ–€^ โ–ˆโ–ˆ  _   โ•™โ–ˆโ–„       โ”Œ  7_โ•’โ–„|โ–Œ¥โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–Œ     โ–ˆโ•  , โ”€ โ–ˆY    ².โ–โ–ˆ   โ•™โ–ˆโ–ˆโ–ˆโ–ˆ"โ–„โ–ˆโ•ฅโ–ˆโ”€    โ•™โ–ˆโ–„  โ••โŒ  โ–ˆโ–„ 'โ”€   โ•™¬   ² 1Nโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ.''  _โ•Ÿโ–Œ โŒ  โ”€   ¬โ”€  ' โ–“โ–Œ    โ–ˆโ–ˆโ–ˆโ–ˆโ–„โ–ˆçโ–ˆโ–Œ,โ–„โ–„โ–„โ–„โ–„โ–ˆโ–ˆโŒ     โ–โ–Œ โ”€        º ^โ–ˆ โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ.  ¬   โ–ˆโ–„           โŒโ–„โ–Œโ•“โ–„โ–„โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–€โ–€โ–Œโ–ˆโ–ˆโ–“โ–Œโ–€โ•™ฮ“Çโ””โ”€    โ•’.โ–โ–Œ     โ”€,. A'uโ–„โ–ˆ_โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ/r      โ””โ–ˆโ–„โ–„      โ–„โ–ˆโ–ˆโ–€โ”€'โ•™โ–ˆโ–ˆโ–ˆโ–ˆโ–€โ–€ฮ“   โ•™โ–ˆ'โŒ โ””L[     _โ•’โ–„โ–ˆโ•“   โ”€.    'โ”ฌโ”Œโ–โ–Œโ•Ÿโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–โ–ˆโ–ˆโ–ˆโ–ˆโ–„, ``      โ•šโ–€โ–ˆโ–€โ–€โ–€โ–€โ•™". `  โ•“         ,โ•™โ–ˆโ–„_, `โ”Œ    โ•“โ–„โ–ˆ"      โ”€" โ•”โ• :โ–“โ•“โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–Œโ–ˆโ–ˆโ–ˆโ–Œ ฯ„, "/ l" ฯ„-  โ”€.     ¬     โˆฉtçw   โ”€  ^โ•™โ–€โ–ˆโ–„โ–„โ–„โ–„โ–ˆโ–„โ–ˆโ–€ โ””  `   ¬ โ”€ Lโ”€ ,โ–ˆ'โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ•ซโ–ˆโ–ˆโ–„โ–ˆโ–ˆโ–Œโ–“โ–“โ–€โˆžโ•—โ–„โ–„โ–„โ–„ฮ“` โ•™".โ•’โŒ โ”โ‰คโŒÇV< ¢โ–’.โŒ__ ,  ฮ“  ¡โ””โ•™โ•™โ–„ โ””โ”€    _โ–„,:โ• โ””โ•โ”˜\²ªโ–Mโ–โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–“โ–ˆโ–ˆโ–“pโ–„โ–€~โ”Œโ•ฅโ•ฅ.โ–„Ç_ '   `"^. ¬โ”€ ' โ”~โˆžโ””_.  , โ”Œ ' .โ•  2โ•ซWโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
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//    โ–ˆโ–“โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–“โ–“โ‰ฅโ–€โ•—โ•คโ–„โ–„โ–„โ–„โ–„'โ•”   ''¬_ Çโ”€`โ•“ß`โ”โ–ˆโ–“โ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
//                                                                                        //
//    โ–ˆโ•Ÿโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–“æโ–ˆโ–“โ–ˆโ–ˆโ–“โ–“โ–ˆโ–Œโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
//                                                                                        //
//    โ–Œโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆ    //
//                                                                                        //
//                                                                                        //
////////////////////////////////////////////////////////////////////////////////////////////


contract ASHES is ERC721Creator {
    constructor() ERC721Creator("The Hallowed", "ASHES") {}
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";

contract ERC721Creator is Proxy {
    
    constructor(string memory name, string memory symbol) {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x5133522ea5A0494EcB83F26311A095DDD7a9D4b6;
        (bool success, ) = 0x5133522ea5A0494EcB83F26311A095DDD7a9D4b6.delegatecall(abi.encodeWithSignature("initialize(string,string)", name, symbol));
        require(success, "Initialization failed");
    }
        
    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
     function implementation() public view returns (address) {
        return _implementation();
    }

    function _implementation() internal override view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }    

}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @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
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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://consensys.net/diligence/blog/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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
 * _Available since v4.9 for `string`, `bytes`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

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