ERC-20
Overview
Max Total Supply
112 wBLOBS
Holders
262
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
0.941852623178179941 wBLOBSValue
$0.00Loading...
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# | Exchange | Pair | Price | 24H Volume | % Volume |
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Similar Match Source Code This contract matches the deployed Bytecode of the Source Code for Contract 0xeA0f8ded...518399b81 The constructor portion of the code might be different and could alter the actual behaviour of the contract
Contract Name:
wBLOBS
Compiler Version
v0.8.24+commit.e11b9ed9
Optimization Enabled:
No with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.19; /* Wrapped MitoBlobs (wBLOBS) Turn your BLOBs into wBLOBS that can be fractionally traded on Uniswap. @MitoBlobs https://mitoblobs.xyz */ interface Callable { function tokenCallback( address _from, uint256 _tokens, bytes calldata _data ) external returns (bool); } interface MB { function balanceOf(address) external view returns (uint256); function allowance(address, address) external view returns (uint256); function isApprovedForAll(address, address) external view returns (bool); function transfer(address _to, uint256 _tokens) external returns (bool); function transferFrom( address _from, address _to, uint256 _tokens ) external returns (bool); } contract wBLOBS { uint256 private constant UINT_MAX = type(uint256).max; MB public mitoblobs; string public constant name = "Wrapped Blobs"; string public constant symbol = "wBLOBS"; uint8 public constant decimals = 18; struct User { uint256 balance; mapping(address => uint256) allowance; } struct Info { mapping(address => User) users; } Info private info; event Transfer(address indexed from, address indexed to, uint256 tokens); event Approval( address indexed owner, address indexed spender, uint256 tokens ); event Wrap(address indexed owner, uint256 tokens); event Unwrap(address indexed owner, uint256 tokens); constructor(address _mitoblobs) { mitoblobs = MB(_mitoblobs); } function wrap(uint256 tokenId) public { uint256 _balanceBefore = mitoblobs.balanceOf(address(this)); mitoblobs.transferFrom(msg.sender, address(this), tokenId); uint256 _wrapped = mitoblobs.balanceOf(address(this)) - _balanceBefore; require(_wrapped > 0); info.users[msg.sender].balance += _wrapped * 1e18; emit Transfer(address(0x0), msg.sender, _wrapped * 1e18); emit Wrap(msg.sender, _wrapped); } function wrapMultiple(uint256[] memory tokenIds) external { for (uint256 i; i < tokenIds.length; i++) { wrap(tokenIds[i]); } } function unwrap(uint256 _tokens) external { require(_tokens > 0); require(balanceOf(msg.sender) >= _tokens * 1e18); info.users[msg.sender].balance -= _tokens * 1e18; mitoblobs.transfer(msg.sender, _tokens); emit Transfer(msg.sender, address(0x0), _tokens * 1e18); emit Unwrap(msg.sender, _tokens); } function multisend(address[] memory recipients, uint256 amount) external { require(balanceOf(msg.sender) >= recipients.length * amount, "Your balance is too low"); for (uint256 i; i < recipients.length; i++) { _transfer(msg.sender, recipients[i], amount); } } function transfer(address _to, uint256 _tokens) external returns (bool) { return _transfer(msg.sender, _to, _tokens); } function approve( address _spender, uint256 _tokens ) external returns (bool) { info.users[msg.sender].allowance[_spender] = _tokens; emit Approval(msg.sender, _spender, _tokens); return true; } function transferFrom( address _from, address _to, uint256 _tokens ) external returns (bool) { uint256 _allowance = allowance(_from, msg.sender); require(_allowance >= _tokens); if (_allowance != UINT_MAX) { info.users[_from].allowance[msg.sender] -= _tokens; } return _transfer(_from, _to, _tokens); } function transferAndCall( address _to, uint256 _tokens, bytes calldata _data ) external returns (bool) { _transfer(msg.sender, _to, _tokens); uint32 _size; assembly { _size := extcodesize(_to) } if (_size > 0) { require(Callable(_to).tokenCallback(msg.sender, _tokens, _data)); } return true; } function totalSupply() public view returns (uint256) { return mitoblobs.balanceOf(address(this)) * 1e18; } function balanceOf(address _user) public view returns (uint256) { return info.users[_user].balance; } function allowance( address _user, address _spender ) public view returns (uint256) { return info.users[_user].allowance[_spender]; } function allInfoFor( address _user ) external view returns ( uint256 totalTokens, uint256 userBLOBs, uint256 userAllowance, bool userApprovedForAll, uint256 userBalance ) { totalTokens = totalSupply(); userBLOBs = mitoblobs.balanceOf(_user); userAllowance = mitoblobs.allowance(_user, address(this)); userApprovedForAll = mitoblobs.isApprovedForAll(_user, address(this)); userBalance = balanceOf(_user); } function _transfer( address _from, address _to, uint256 _tokens ) internal returns (bool) { unchecked { require(balanceOf(_from) >= _tokens); info.users[_from].balance -= _tokens; info.users[_to].balance += _tokens; emit Transfer(_from, _to, _tokens); return true; } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.19; import './MitoBlobs.sol'; import './wBLOBS.sol'; contract Deployer { MitoBlobs immutable public mitoblobs; wBLOBS immutable public wblobs; constructor() { mitoblobs = new MitoBlobs(); wblobs = new wBLOBS(address(mitoblobs)); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.19; /* MitoBlobs (BLOBS) First PFP collection on ERC20721 - 256 total supply - 102 BLOBS for initial liquidity - 0.1 ETH mint from contract price - tradable on both Uniswap and Opensea @MitoBlobs https://mitoblobs.xyz */ import {Strings} from "@openzeppelin/contracts/utils/Strings.sol"; interface Receiver { function onERC721Received( address _operator, address _from, uint256 _tokenId, bytes calldata _data ) external returns (bytes4); } interface ICellMates { function balanceOf(address owner) external view returns (uint256); } contract MitoBlobs { uint256 private constant UINT_MAX = type(uint256).max; uint256 private constant TOTAL_SUPPLY = 256; address private constant CELLMATES = 0xf953f75c50Eb45A6044179EB57f76317093b367F; address private constant WCELL = 0x6828c4C136e5670c4Fd5fA907a0fcb41A99a9D59; uint256 private constant M1 = 0x5555555555555555555555555555555555555555555555555555555555555555; uint256 private constant M2 = 0x3333333333333333333333333333333333333333333333333333333333333333; uint256 private constant M4 = 0x0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f0f; uint256 private constant H01 = 0x0101010101010101010101010101010101010101010101010101010101010101; bytes32 private constant TRANSFER_TOPIC = keccak256(bytes("Transfer(address,address,uint256)")); bytes32 private constant APPROVAL_TOPIC = keccak256(bytes("Approval(address,address,uint256)")); struct User { bytes32 mask; mapping(address => uint256) allowance; mapping(address => bool) approved; } struct Info { address owner; address wBlobs; mapping(address => User) users; mapping(uint256 => address) approved; address[] holders; string name; string symbol; string baseURI; uint256 mintPrice; } Info private info; mapping(bytes4 => bool) public supportsInterface; event Transfer( address indexed from, address indexed to, uint256 indexed tokenId ); event ERC20Transfer( bytes32 indexed topic0, address indexed from, address indexed to, uint256 tokens ) anonymous; event Approval( address indexed owner, address indexed spender, uint256 indexed tokenId ); event ERC20Approval( bytes32 indexed topic0, address indexed owner, address indexed spender, uint256 tokens ) anonymous; event ApprovalForAll( address indexed owner, address indexed operator, bool approved ); modifier _onlyOwner() { require(msg.sender == owner()); _; } constructor() { info.owner = 0xCd4cdfB4294eF2699E39eE2D20F25bAA0E58ef79; info.name = "MitoBlobs"; info.symbol = "BLOBS"; info.baseURI = "https://nftstorage.link/ipfs/bafybeiah76j63cycugvnf6bplybcsr3qbyqkyxsn4tyeki5dxlcau7tdmu/"; info.mintPrice = 0.1 ether; supportsInterface[0x01ffc9a7] = true; // ERC-165 supportsInterface[0x80ac58cd] = true; // ERC-721 supportsInterface[0x5b5e139f] = true; // Metadata address _this = address(this); info.users[_this].mask = bytes32(UINT_MAX); info.holders.push(_this); emit ERC20Transfer(TRANSFER_TOPIC, address(0x0), _this, TOTAL_SUPPLY); for (uint256 i = 0; i < TOTAL_SUPPLY; i++) { emit Transfer(address(0x0), _this, TOTAL_SUPPLY + i + 1); } _transferERC20( _this, owner(), 102 + // 40% of supply for $BLOB & $wBLOB liquidity pools 23 + // 4.5% for marketing + 4.5% for team 28 // CellMates $wCELL holders airdrop ); } function setOwner(address _owner) external _onlyOwner { info.owner = _owner; } function setBaseURI(string memory uri) external _onlyOwner { info.baseURI = uri; } function setWBlobs(address d) external _onlyOwner { info.wBlobs = d; } function setMintPrice(uint256 price) external _onlyOwner { info.mintPrice = price; } function mint(uint256 _tokens) external payable { address _this = address(this); uint256 _available = balanceOf(_this); require(_tokens <= _available); uint256 _cost = _tokens * info.mintPrice; require(msg.value >= _cost); _transferERC20(_this, msg.sender, _tokens); payable(owner()).transfer(_cost); if (msg.value > _cost) { payable(msg.sender).transfer(msg.value - _cost); } } function approve( address _spender, uint256 _tokens ) external returns (bool) { if (_tokens > TOTAL_SUPPLY && _tokens <= 2 * TOTAL_SUPPLY) { _approveNFT(_spender, _tokens); } else { _approveERC20(msg.sender, _spender, _tokens); } return true; } function setApprovalForAll(address _operator, bool _approved) external { info.users[msg.sender].approved[_operator] = _approved; emit ApprovalForAll(msg.sender, _operator, _approved); } function transfer(address _to, uint256 _tokens) external returns (bool) { _transferERC20(msg.sender, _to, _tokens); return true; } function transferFrom( address _from, address _to, uint256 _tokenId ) external returns (bool) { if (_tokenId > TOTAL_SUPPLY && _tokenId <= 2 * TOTAL_SUPPLY) { _transferNFT(_from, _to, _tokenId); } else { uint256 _allowance = allowance(_from, msg.sender); require(_allowance >= _tokenId); if (_allowance != UINT_MAX) { info.users[_from].allowance[msg.sender] -= _tokenId; } _transferERC20(_from, _to, _tokenId); } return true; } function safeTransferFrom( address _from, address _to, uint256 _tokenId ) external { safeTransferFrom(_from, _to, _tokenId, ""); } function safeTransferFrom( address _from, address _to, uint256 _tokenId, bytes memory _data ) public { _transferNFT(_from, _to, _tokenId); uint32 _size; assembly { _size := extcodesize(_to) } if (_size > 0) { require( Receiver(_to).onERC721Received( msg.sender, _from, _tokenId, _data ) == 0x150b7a02 ); } } function bulkTransfer(address _to, uint256[] memory _tokenIds) external { _transferNFTs(_to, _tokenIds); } function owner() public view returns (address) { return info.owner; } function holders() public view returns (address[] memory) { return info.holders; } function name() external view returns (string memory) { return info.name; } function symbol() external view returns (string memory) { return info.symbol; } function tokenURI(uint256 id) public view returns (string memory) { address _owner = ownerOf(id); uint256 balance = ICellMates(CELLMATES).balanceOf(_owner) * 1e18 + ICellMates(WCELL).balanceOf(_owner); uint8 progress; if (balance > 1e17) { // 0.1 $CELL or $wCELL equiv. if (balance < 2e17) { // 0.2 $CELL or $wCELL equiv. progress = 1; } else if (balance < 3e17) { // 0.3 $CELL or $wCELL equiv. progress = 2; } else if (balance < 5e17) { // 0.5 $CELL or $wCELL equiv. progress = 3; } else if (balance < 7e17 + 5e16) { // 0.75 $CELL or $wCELL equiv. progress = 4; } else if (balance < 1e18) { // 1 $CELL or $wCELL equiv. progress = 5; } else if (balance < 2e18) { // 2 $CELL or $wCELL equiv. progress = 6; } else if (balance < 3e18) { progress = 7; // 3 $CELL or $wCELL equiv. } else if (balance >= 3e18) { progress = 8; } else { progress = 1; } } return string( abi.encodePacked( info.baseURI, Strings.toString(id), "-", Strings.toString(progress), ".json" ) ); } function totalSupply() public pure returns (uint256) { return TOTAL_SUPPLY; } function maskOf(address _user) public view returns (bytes32) { return info.users[_user].mask; } function balanceOf(address _user) public view returns (uint256) { return _popcount(maskOf(_user)); } function allowance( address _user, address _spender ) public view returns (uint256) { return info.users[_user].allowance[_spender]; } function ownerOf(uint256 _tokenId) public view returns (address) { unchecked { require(_tokenId > TOTAL_SUPPLY && _tokenId <= 2 * TOTAL_SUPPLY); bytes32 _mask = bytes32(1 << (_tokenId - TOTAL_SUPPLY - 1)); address[] memory _holders = holders(); for (uint256 i = 0; i < _holders.length; i++) { if (maskOf(_holders[i]) & _mask == _mask) { return _holders[i]; } } return address(0x0); } } function getApproved(uint256 _tokenId) public view returns (address) { require(_tokenId > TOTAL_SUPPLY && _tokenId <= 2 * TOTAL_SUPPLY); return info.approved[_tokenId]; } function isApprovedForAll( address _owner, address _operator ) public view returns (bool) { return info.users[_owner].approved[_operator]; } function getToken( uint256 _tokenId ) public view returns (address tokenOwner, address approved, string memory uri) { return (ownerOf(_tokenId), getApproved(_tokenId), tokenURI(_tokenId)); } function getTokens( uint256[] memory _tokenIds ) external view returns ( address[] memory owners, address[] memory approveds, string[] memory uris ) { uint256 _length = _tokenIds.length; owners = new address[](_length); approveds = new address[](_length); uris = new string[](_length); for (uint256 i = 0; i < _length; i++) { (owners[i], approveds[i], uris[i]) = getToken(_tokenIds[i]); } } function _approveERC20( address _owner, address _spender, uint256 _tokens ) internal { info.users[_owner].allowance[_spender] = _tokens; emit ERC20Approval(APPROVAL_TOPIC, _owner, _spender, _tokens); } function _approveNFT(address _spender, uint256 _tokenId) internal { bytes32 _mask = bytes32(1 << (_tokenId - TOTAL_SUPPLY - 1)); require(maskOf(msg.sender) & _mask == _mask); info.approved[_tokenId] = _spender; emit Approval(msg.sender, _spender, _tokenId); } function _transferERC20( address _from, address _to, uint256 _tokens ) internal { unchecked { bytes32 _mask; uint256 _pos = 0; uint256 _count = 0; uint256 _n = uint256(maskOf(_from)); uint256[] memory _tokenIds = new uint256[](_tokens); while (_n > 0 && _count < _tokens) { if (_n & 1 == 1) { _mask |= bytes32(1 << _pos); _tokenIds[_count++] = TOTAL_SUPPLY + _pos + 1; } _pos++; _n >>= 1; } require(_count == _tokens); require(maskOf(_from) & _mask == _mask); _transfer(_from, _to, _mask, _tokenIds); } } function _transferNFT( address _from, address _to, uint256 _tokenId ) internal { unchecked { require(_tokenId > TOTAL_SUPPLY && _tokenId <= 2 * TOTAL_SUPPLY); bytes32 _mask = bytes32(1 << (_tokenId - TOTAL_SUPPLY - 1)); require(maskOf(_from) & _mask == _mask); require( msg.sender == _from || msg.sender == getApproved(_tokenId) || isApprovedForAll(_from, msg.sender) ); uint256[] memory _tokenIds = new uint256[](1); _tokenIds[0] = _tokenId; _transfer(_from, _to, _mask, _tokenIds); } } function _transferNFTs(address _to, uint256[] memory _tokenIds) internal { unchecked { bytes32 _mask; for (uint256 i = 0; i < _tokenIds.length; i++) { _mask |= bytes32(1 << (_tokenIds[i] - TOTAL_SUPPLY - 1)); } require(_popcount(_mask) == _tokenIds.length); require(maskOf(msg.sender) & _mask == _mask); _transfer(msg.sender, _to, _mask, _tokenIds); } } function _transfer( address _from, address _to, bytes32 _mask, uint256[] memory _tokenIds ) internal { unchecked { require(_tokenIds.length > 0); for (uint256 i = 0; i < _tokenIds.length; i++) { if (getApproved(_tokenIds[i]) != address(0x0)) { info.approved[_tokenIds[i]] = address(0x0); emit Approval(address(0x0), address(0x0), _tokenIds[i]); } emit Transfer(_from, _to, _tokenIds[i]); } info.users[_from].mask ^= _mask; bool _from0 = maskOf(_from) == 0x0; bool _to0 = maskOf(_to) == 0x0; info.users[_to].mask |= _mask; if (_from0) { uint256 _index; address[] memory _holders = holders(); for (uint256 i = 0; i < _holders.length; i++) { if (_holders[i] == _from) { _index = i; break; } } if (_to0) { info.holders[_index] = _to; } else { info.holders[_index] = _holders[_holders.length - 1]; info.holders.pop(); } } else if (_to0) { info.holders.push(_to); } require(maskOf(_from) & maskOf(_to) == 0x0); emit ERC20Transfer(TRANSFER_TOPIC, _from, _to, _tokenIds.length); } } function _popcount(bytes32 _b) internal pure returns (uint256) { uint256 _n = uint256(_b); if (_n == UINT_MAX) { return 256; } unchecked { _n -= (_n >> 1) & M1; _n = (_n & M2) + ((_n >> 2) & M2); _n = (_n + (_n >> 4)) & M4; _n = (_n * H01) >> 248; } return _n; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { uint256 localValue = value; bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = HEX_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol) pragma solidity ^0.8.20; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // 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. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { 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. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. return a / b; } // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
{ "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_mitoblobs","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"Unwrap","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"Wrap","type":"event"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"allInfoFor","outputs":[{"internalType":"uint256","name":"totalTokens","type":"uint256"},{"internalType":"uint256","name":"userBLOBs","type":"uint256"},{"internalType":"uint256","name":"userAllowance","type":"uint256"},{"internalType":"bool","name":"userApprovedForAll","type":"bool"},{"internalType":"uint256","name":"userBalance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"address","name":"_spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_tokens","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mitoblobs","outputs":[{"internalType":"contract MB","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"recipients","type":"address[]"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"multisend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokens","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokens","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"transferAndCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_tokens","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokens","type":"uint256"}],"name":"unwrap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"wrap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"wrapMultiple","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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