Overview
ETH Balance
0.31 ETH
Eth Value
$1,024.75 (@ $3,305.65/ETH)More Info
Private Name Tags
ContractCreator
Latest 25 from a total of 358 transactions
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Set Base Uri | 14583910 | 811 days ago | IN | 0 ETH | 0.0045072 | ||||
Set Provenance H... | 14583826 | 811 days ago | IN | 0 ETH | 0.00337464 | ||||
Set Base Uri | 14583820 | 811 days ago | IN | 0 ETH | 0.00317432 | ||||
Mint OMM | 14578909 | 811 days ago | IN | 0.06 ETH | 0.00184355 | ||||
Toggle Community... | 14578895 | 811 days ago | IN | 0 ETH | 0.00158579 | ||||
Toggle Sale Stat... | 14578894 | 811 days ago | IN | 0 ETH | 0.0015053 | ||||
Mint OMM | 14578834 | 811 days ago | IN | 0.03 ETH | 0.00765018 | ||||
Set Mint Price C... | 14578450 | 811 days ago | IN | 0 ETH | 0.00170447 | ||||
Set Mint Price | 14578450 | 811 days ago | IN | 0 ETH | 0.00184627 | ||||
Mint OMM | 14576680 | 812 days ago | IN | 0.04 ETH | 0.00631172 | ||||
Mint OMM | 14575842 | 812 days ago | IN | 0.04 ETH | 0.0058886 | ||||
Mint OMM | 14566376 | 813 days ago | IN | 0.08 ETH | 0.0177528 | ||||
Set Mint Price | 14566086 | 813 days ago | IN | 0 ETH | 0.0019623 | ||||
Set Mint Price C... | 14558175 | 815 days ago | IN | 0 ETH | 0.00083016 | ||||
Mint OMM | 14545950 | 816 days ago | IN | 0.12 ETH | 0.01891956 | ||||
Mint For Communi... | 14488913 | 825 days ago | IN | 0 ETH | 0.0747938 | ||||
Withdraw Origina... | 14486917 | 826 days ago | IN | 0 ETH | 0.00270402 | ||||
Withdraw | 14486917 | 826 days ago | IN | 0 ETH | 0.00243418 | ||||
Mint OMM | 14486043 | 826 days ago | IN | 0.06 ETH | 0.00374705 | ||||
Community Sale M... | 14482468 | 826 days ago | IN | 0.072 ETH | 0.01467345 | ||||
Community Sale M... | 14477686 | 827 days ago | IN | 0.108 ETH | 0.02018218 | ||||
Community Sale M... | 14477055 | 827 days ago | IN | 0.072 ETH | 0.01446998 | ||||
Community Sale M... | 14476470 | 827 days ago | IN | 0.072 ETH | 0.01768605 | ||||
Community Sale M... | 14476439 | 827 days ago | IN | 0.144 ETH | 0.03943248 | ||||
Community Sale M... | 14476398 | 827 days ago | IN | 0.108 ETH | 0.04719165 |
Latest 15 internal transactions
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Parent Transaction Hash | Block | From | To | Value | ||
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14486917 | 826 days ago | 3.90135 ETH | ||||
14486917 | 826 days ago | 3.90135 ETH | ||||
14486917 | 826 days ago | 0.0839 ETH | ||||
14486917 | 826 days ago | 0.0839 ETH | ||||
14486917 | 826 days ago | 0.4195 ETH | ||||
14171706 | 875 days ago | 5.442825 ETH | ||||
14171706 | 875 days ago | 5.442825 ETH | ||||
14171706 | 875 days ago | 0.11705 ETH | ||||
14171706 | 875 days ago | 0.11705 ETH | ||||
14171706 | 875 days ago | 0.58525 ETH | ||||
13875990 | 920 days ago | 5.9148 ETH | ||||
13875990 | 920 days ago | 5.9148 ETH | ||||
13875990 | 920 days ago | 0.1272 ETH | ||||
13875990 | 920 days ago | 0.1272 ETH | ||||
13875990 | 920 days ago | 0.636 ETH |
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Contract Name:
OldMasterMemesWrapper
Compiler Version
v0.8.10+commit.fc410830
Optimization Enabled:
Yes with 1000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.10; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "./OldMasterMemes.sol"; import "./OldMasterMemesErrors.sol"; import "./Frames.sol"; /** * @title OldMasterMemes Wrapper contract */ contract OldMasterMemesWrapper is Ownable { uint256 public maxOmm; bool public saleIsActive; bool public communitySaleIsActive; OldMasterMemes private _omm_contract; mapping(address => uint256) public lastPurchase; mapping(bytes32 => bool) public usedLink; ////////////////////// // Modifiers ////////////////////// modifier whenSaleIsActive { if(!saleIsActive) revert SaleInactive(); _; } modifier whenCommunitySaleIsActive() { if(!communitySaleIsActive) revert CommunitySaleInactive(); _; } ///////////////////// // Events ///////////////////// event Received(address, uint); receive() external payable { emit Received(msg.sender, msg.value); } ///////////////////// // Public Functions ///////////////////// function mintOMM(uint256 amount) external payable whenSaleIsActive { if(amount > _omm_contract.maxPerMint()) revert AmountExceedsMaxPerMint(); if(_omm_contract.mintIndex() + amount > maxOmm) revert ExceedCap(); if(_omm_contract.mintPrice() * amount > msg.value) revert EtherValueIncorrect(); if(lastPurchase[msg.sender] >= block.timestamp - _omm_contract.mintInterval()) revert ExceedsMaxMintsForMintInterval(); _omm_contract.mintForCommunity(msg.sender, amount); lastPurchase[msg.sender] = block.timestamp; } function communitySaleMintOMM( address wallet, uint256 maxAmount, uint256 timestamp, bytes memory signature, uint256 amount ) external payable whenCommunitySaleIsActive { if(_omm_contract.balanceOf(msg.sender) + amount > _omm_contract.maxPerUser()) revert AmountExceedsMaxPerUser(); if(amount > maxAmount) revert AmountExceedsMax(); if(_omm_contract.mintIndex() + amount > maxOmm) revert AmountExceedsCommunityMax(); if(_omm_contract.mintPricePresale() * amount > msg.value) revert EtherValueIncorrect(); if(msg.sender != wallet) revert WalletSenderMismatch(); if(!_verifySignature(wallet, maxAmount, timestamp, signature)) revert InvalidSignature(); bytes32 linkHash = keccak256(signature); if(usedLink[linkHash]) revert CommunityLinkAlreadyUsed(); _omm_contract.mintForCommunity(msg.sender, amount); usedLink[linkHash] = true; } // ------------------ // Owner functions // ------------------ function initialize( address _old_contract_address, uint256 _maxOmm ) external onlyOwner { if(address(_omm_contract) != address(0)) revert ContractAlreadyInitialized(); if(_old_contract_address == address(0)) revert EmptyAddress(); if(_maxOmm == 0) revert MaxOmmIsZero(); _omm_contract = OldMasterMemes(_old_contract_address); bool originalContractSaleIsActive = _omm_contract.saleIsActive(); if(originalContractSaleIsActive) revert SaleOfOriginalContractActive(); maxOmm = _maxOmm; saleIsActive = false; communitySaleIsActive = false; } function setMaxPerMint(uint256 _maxPerMint) external onlyOwner { _omm_contract.setMaxPerMint(_maxPerMint); } function setMintPrice(uint256 _mintPrice) external onlyOwner { _omm_contract.setMintPrice(_mintPrice); } function setMintPriceCommunity(uint256 _mintPriceCommunity) external onlyOwner { _omm_contract.setMintPricePresale(_mintPriceCommunity); } function setMintInterval(uint256 _mintInterval) external onlyOwner { _omm_contract.setMintInterval(_mintInterval); } function setMaxPerUser(uint256 _maxPerUser) external onlyOwner { _omm_contract.setMaxPerUser(_maxPerUser); } function setBaseUri(string memory _baseUri) external onlyOwner { _omm_contract.setBaseUri(_baseUri); } function setTokenURI(uint256 tokenId, string memory _tokenURI) external onlyOwner { _omm_contract.setTokenURI(tokenId, _tokenURI); } function setCommunitySaleSigner(address _communitySaleSigner) external onlyOwner { _omm_contract.setPresaleSigner(_communitySaleSigner); } function mintForCommunity(address to, uint256 numberOfTokens) external onlyOwner { //TODO: Check if needed / more or less expensive if(to == address(0)) revert EmptyAddress(); if(_omm_contract.mintIndex() + numberOfTokens > maxOmm) revert ExceedCap(); _omm_contract.mintForCommunity(to, numberOfTokens); } function setProvenanceHash(string memory _provenanceHash) external onlyOwner { _omm_contract.setProvenanceHash(_provenanceHash); } function setFramesContract(Frames _framesContract) external onlyOwner { _omm_contract.setFramesContract(_framesContract); } function setUnrevealedTokenUri(string memory _unrevealedTokenUri) external onlyOwner { _omm_contract.setUnrevealedTokenUri(_unrevealedTokenUri); } function reveal() external onlyOwner { _omm_contract.reveal(); } function toggleBurnState() external onlyOwner { _omm_contract.toggleBurnState(); } function toggleSaleState() external onlyOwner { saleIsActive = !saleIsActive; } function toggleCommunitySaleState() external onlyOwner { communitySaleIsActive = !communitySaleIsActive; } function withdrawOriginalContract( address mainShareholder1, address mainShareholder2, address fivePercentShareholder1, address onePercentShareholder1, address onePercentShareholder2 ) external onlyOwner { _omm_contract.withdraw(mainShareholder1, mainShareholder2, fivePercentShareholder1, onePercentShareholder1, onePercentShareholder2); } function emergencyWithdrawOriginalContract() external onlyOwner { _omm_contract.emergencyWithdraw(); } function emergencyRecoverTokensOriginalContract( IERC20 token, address receiver, uint256 amount ) external onlyOwner { _omm_contract.emergencyRecoverTokens(token, receiver, amount); } function withdraw( address mainShareholder1, address mainShareholder2, address fivePercentShareholder1, address onePercentShareholder1, address onePercentShareholder2 ) external onlyOwner { uint256 balance = address(this).balance; uint256 fivePercentShare = (balance * 5) / 100; payable(fivePercentShareholder1).transfer(fivePercentShare); uint256 onePercentShare = balance / 100; payable(onePercentShareholder1).transfer(onePercentShare); payable(onePercentShareholder2).transfer(onePercentShare); uint256 restShare = (balance - fivePercentShare - 2 * onePercentShare) / 2; payable(mainShareholder1).transfer(restShare); payable(mainShareholder2).transfer(restShare); } function emergencyWithdraw() external onlyOwner { uint256 balance = address(this).balance; payable(msg.sender).transfer(balance); } function emergencyRecoverTokens( IERC20 token, address receiver, uint256 amount ) external onlyOwner { if(receiver == address(0)) revert EmptyAddress(); token.transfer(receiver, amount); } function freezeMetadata() external onlyOwner { _omm_contract.freezeMetadata(); } function freezeProvenance() external onlyOwner { _omm_contract.freezeProvenance(); } // ------------------ // Internal functions // ------------------ function _splitSignature(bytes memory signature) private pure returns ( uint8, bytes32, bytes32 ) { bytes32 sigR; bytes32 sigS; uint8 sigV; assembly { sigR := mload(add(signature, 32)) sigS := mload(add(signature, 64)) sigV := byte(0, mload(add(signature, 96))) } return (sigV, sigR, sigS); } /** * Restores the signer of the signed message and checks if it was signed by the trusted signer and also * contains the parameters. */ function _verifySignature( address wallet, uint256 maxAmount, uint256 timestamp, bytes memory signature ) private view returns (bool) { bytes32 sigR; bytes32 sigS; uint8 sigV; (sigV, sigR, sigS) = _splitSignature(signature); bytes32 message = keccak256(abi.encodePacked(wallet, maxAmount, timestamp)); return _omm_contract.presaleSigner() == ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", message)), sigV, sigR, sigS); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() { _setOwner(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _setOwner(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _setOwner(newOwner); } function _setOwner(address newOwner) private { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "./Frames.sol"; /** * @title OldMasterMemes contract */ contract OldMasterMemes is ERC721Enumerable, ERC721URIStorage, Ownable { string public provenanceHash = ""; uint256 public maxOmm; uint256 public maxOmmPresale; bool public metadataFrozen; bool public provenanceFrozen; uint256 public mintIndex; string public baseUri; bool public burnIsActive; bool public saleIsActive; bool public presaleIsActive; uint256 public mintPricePresale; uint256 public mintPrice; uint256 public mintInterval; uint256 public maxPerMint; uint256 public maxPerUser; address public presaleSigner; bool public revealed; string public unrevealedTokenUri; mapping(address => uint256) public lastPurchase; mapping(bytes32 => bool) public usedLink; Frames public framesContract; event SetBaseUri(string indexed baseUri); modifier whenBurnIsActive() { require(burnIsActive, "OldMasterMemes: Burn is not active"); _; } modifier whenSaleIsActive() { require(saleIsActive, "OldMasterMemes: Sale is not active"); _; } modifier whenPresaleIsActive() { require(presaleIsActive, "OldMasterMemes: Presale is not active"); _; } modifier whenMetadataIsNotFrozen() { require(!metadataFrozen, "OldMasterMemes: Metadata already frozen"); _; } modifier whenProvenanceIsNotFrozen() { require(!provenanceFrozen, "OldMasterMemes: Provenance already frozen"); _; } constructor() ERC721("Old Master Memes", "OMM") { burnIsActive = false; saleIsActive = false; presaleIsActive = false; maxOmm = 10000; maxOmmPresale = 6150; mintPricePresale = 69000000000000000; // 0.069 ETH mintPrice = 80000000000000000; // 0.08 ETH mintInterval = 172800; maxPerMint = 5; maxPerUser = 20; metadataFrozen = false; provenanceFrozen = false; revealed = false; } // ------------------ // Explicit overrides // ------------------ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override(ERC721, ERC721Enumerable) { super._beforeTokenTransfer(from, to, tokenId); } function _burn(uint256 tokenId) internal virtual override(ERC721, ERC721URIStorage) { super._burn(tokenId); } function tokenURI(uint256 tokenId) public view virtual override(ERC721URIStorage, ERC721) returns (string memory) { if (revealed) { return super.tokenURI(tokenId); } else { return unrevealedTokenUri; } } function _baseURI() internal view override returns (string memory) { return baseUri; } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721Enumerable, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } // ------------------ // Public functions // ------------------ function mintOMM(uint256 amount) external payable whenSaleIsActive { require(amount <= maxPerMint, "OldMasterMemes: Amount exceeds max per mint"); require(mintIndex + amount <= maxOmm, "OldMasterMemes: Purchase would exceed cap"); require(mintPrice * amount <= msg.value, "OldMasterMemes: Ether value sent is not correct"); require( lastPurchase[msg.sender] < block.timestamp - mintInterval, "OldMasterMemes: relax and wait a little. It will be a little while before you can mint again" ); for (uint256 i = 0; i < amount; i++) { mintIndex += 1; _safeMint(msg.sender, mintIndex); } lastPurchase[msg.sender] = block.timestamp; } function presaleMintOMM( address wallet, uint256 maxAmount, uint256 timestamp, bytes memory signature, uint256 amount ) external payable whenPresaleIsActive { require(balanceOf(msg.sender) + amount <= maxPerUser, "OldMasterMemes: Amount exceeds max presale amount per user"); require(amount <= maxAmount, "OldMasterMemes: Amount exceeds max"); require(mintIndex + amount <= maxOmmPresale, "OldMasterMemes: Purchase would exceed presale cap"); require(mintPricePresale * amount <= msg.value, "OldMasterMemes: Ether value sent is not correct"); require(msg.sender == wallet, "OldMasterMemes: Wallet from signature does not match message sender"); require(_verifySignature(wallet, maxAmount, timestamp, signature), "OldMasterMemes: Invalid signature"); bytes32 linkHash = keccak256(signature); require(!usedLink[linkHash], "OldMasterMemes: The presale link has already been used. Please request a new one"); for (uint256 i = 0; i < amount; i++) { mintIndex += 1; _safeMint(msg.sender, mintIndex); } usedLink[linkHash] = true; } function burnForFrames(uint256 tokenId) external { require(ownerOf(tokenId) == msg.sender, "OldMasterMemes: Only the owner is allowed to burn his token"); _burn(tokenId); framesContract.mintFrames(msg.sender); } function burn(uint256 tokenId) external whenBurnIsActive { require(ownerOf(tokenId) == msg.sender, "OldMasterMemes: Only the owner is allowed to burn his token"); _burn(tokenId); } function exists(uint256 tokenId) public view returns (bool) { return _exists(tokenId); } function tokensOfOwner(address owner) external view returns (uint256[] memory) { uint256 tokenCount = balanceOf(owner); if (tokenCount == 0) { return new uint256[](0); } else { uint256[] memory result = new uint256[](tokenCount); for (uint256 index; index < tokenCount; index++) { result[index] = tokenOfOwnerByIndex(owner, index); } return result; } } // ------------------ // Owner functions // ------------------ function setMaxPerMint(uint256 _maxPerMint) external onlyOwner { maxPerMint = _maxPerMint; } function setMintPricePresale(uint256 _mintPricePresale) external onlyOwner { mintPricePresale = _mintPricePresale; } function setMintPrice(uint256 _mintPrice) external onlyOwner { mintPrice = _mintPrice; } function setMintInterval(uint256 _mintInterval) external onlyOwner { mintInterval = _mintInterval; } function setMaxPerUser(uint256 _maxPerUser) external onlyOwner { maxPerUser = _maxPerUser; } function setBaseUri(string memory _baseUri) external onlyOwner whenMetadataIsNotFrozen { baseUri = _baseUri; emit SetBaseUri(baseUri); } function setTokenURI(uint256 tokenId, string memory _tokenURI) external onlyOwner whenMetadataIsNotFrozen { super._setTokenURI(tokenId, _tokenURI); } function setPresaleSigner(address _presaleSigner) external onlyOwner { presaleSigner = _presaleSigner; } function mintForCommunity(address to, uint256 numberOfTokens) external onlyOwner { require(to != address(0), "OldMasterMemes: Cannot mint to zero address"); require(mintIndex + numberOfTokens <= maxOmm, "OldMasterMemes: Minting would exceed cap"); for (uint256 i = 0; i < numberOfTokens; i++) { mintIndex += 1; _safeMint(to, mintIndex); } } function setProvenanceHash(string memory _provenanceHash) external onlyOwner whenProvenanceIsNotFrozen { provenanceHash = _provenanceHash; } function setFramesContract(Frames _framesContract) external onlyOwner { framesContract = _framesContract; } function setMaxOmmPresale(uint256 _maxOmmPresale) external onlyOwner { maxOmmPresale = _maxOmmPresale; } function setUnrevealedTokenUri(string memory _unrevealedTokenUri) external onlyOwner whenMetadataIsNotFrozen { unrevealedTokenUri = _unrevealedTokenUri; } function reveal() external onlyOwner { revealed = true; } function toggleBurnState() external onlyOwner { burnIsActive = !burnIsActive; } function toggleSaleState() external onlyOwner { saleIsActive = !saleIsActive; } function togglePresaleState() external onlyOwner { presaleIsActive = !presaleIsActive; } function withdraw( address mainShareholder1, address mainShareholder2, address fivePercentShareholder1, address onePercentShareholder1, address onePercentShareholder2 ) external onlyOwner { uint256 balance = address(this).balance; uint256 fivePercentShare = (balance * 5) / 100; payable(fivePercentShareholder1).transfer(fivePercentShare); uint256 onePercentShare = balance / 100; payable(onePercentShareholder1).transfer(onePercentShare); payable(onePercentShareholder2).transfer(onePercentShare); uint256 restShare = (balance - fivePercentShare - 2 * onePercentShare) / 2; payable(mainShareholder1).transfer(restShare); payable(mainShareholder2).transfer(restShare); } function emergencyWithdraw() external onlyOwner { uint256 balance = address(this).balance; payable(msg.sender).transfer(balance); } function emergencyRecoverTokens( IERC20 token, address receiver, uint256 amount ) external onlyOwner { require(receiver != address(0), "Cannot recover tokens to the 0 address"); token.transfer(receiver, amount); } function freezeMetadata() external onlyOwner whenMetadataIsNotFrozen { metadataFrozen = true; } function freezeProvenance() external onlyOwner whenProvenanceIsNotFrozen { provenanceFrozen = true; } // ------------------ // Internal functions // ------------------ function _splitSignature(bytes memory signature) private pure returns ( uint8, bytes32, bytes32 ) { bytes32 sigR; bytes32 sigS; uint8 sigV; assembly { sigR := mload(add(signature, 32)) sigS := mload(add(signature, 64)) sigV := byte(0, mload(add(signature, 96))) } return (sigV, sigR, sigS); } /** * Restores the signer of the signed message and checks if it was signed by the trusted signer and also * contains the parameters. */ function _verifySignature( address wallet, uint256 maxAmount, uint256 timestamp, bytes memory signature ) private view returns (bool) { bytes32 sigR; bytes32 sigS; uint8 sigV; (sigV, sigR, sigS) = _splitSignature(signature); bytes32 message = keccak256(abi.encodePacked(wallet, maxAmount, timestamp)); return presaleSigner == ecrecover(keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", message)), sigV, sigR, sigS); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.10; error ContractAddressInvalid(); error ContractAlreadyInitialized(); error EmptyAddress(); error SaleOfOriginalContractActive(); error OriginalContractAddressMismatch(); error ExceedCap(); error AmountExceedsMaxPerMint(); error AmountExceedsMaxPerUser(); error AmountExceedsMax(); error AmountExceedsCommunityMax(); error ExceedsMaxMintsForMintInterval(); error EtherValueIncorrect(); error WalletSenderMismatch(); error InvalidSignature(); error CommunityLinkAlreadyUsed(); error SaleInactive(); error CommunitySaleInactive(); error BurnInactive(); error MaxOmmIsZero(); error MaxPerMintIsZero(); error MaxPerUserIsZero(); error MintPriceIsZero(); error MintPriceCommunityIsZero();
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; /** * @title Frames contract */ contract Frames is ERC721Enumerable, ERC721URIStorage, Ownable { bool public metadataFrozen; mapping(uint256 => bool) claimedFrames; string public baseUri; address public ommContractAddress; event SetBaseUri(string indexed baseUri); event MintFrame(uint256 frameId); modifier whenMetadataIsNotFrozen() { require(!metadataFrozen, "Frames: Metadata already frozen."); _; } modifier onlyOMMContract() { require(msg.sender == ommContractAddress, "Frames: Only the OMM Contract is allowed to call this function."); _; } constructor(address _ommContractAddress) ERC721("Frame", "FRM") { metadataFrozen = false; ommContractAddress = _ommContractAddress; } // ------------------ // Explicit overrides // ------------------ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override(ERC721, ERC721Enumerable) { super._beforeTokenTransfer(from, to, tokenId); } function _burn(uint256 tokenId) internal virtual override(ERC721, ERC721URIStorage) { super._burn(tokenId); } function tokenURI(uint256 tokenId) public view virtual override(ERC721URIStorage, ERC721) returns (string memory) { return super.tokenURI(tokenId); } function _baseURI() internal view override returns (string memory) { return baseUri; } function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721Enumerable, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } // ------------------ // Public functions // ------------------ /** * Receive two frames when burning one OMM */ function mintFrames(address owner) external onlyOMMContract { _mintFrame(owner); _mintFrame(owner); } function claimFreeFrame(uint256 ommTokenId) external { require(!claimedFrames[ommTokenId], "Frames: The free frame has already been claimed for the OMM."); require(IERC721(ommContractAddress).ownerOf(ommTokenId) == msg.sender, "Frames: The sender does not own the OMM."); _mintFrame(msg.sender); claimedFrames[ommTokenId] = true; } function exists(uint256 tokenId) public view returns (bool) { return _exists(tokenId); } function tokensOfOwner(address owner) external view returns (uint256[] memory) { uint256 tokenCount = balanceOf(owner); if (tokenCount == 0) { return new uint256[](0); } else { uint256[] memory result = new uint256[](tokenCount); for (uint256 index; index < tokenCount; index++) { result[index] = tokenOfOwnerByIndex(owner, index); } return result; } } // ------------------ // Internal functions // ------------------ function _mintFrame(address owner) internal { uint256 mintIndex = totalSupply() + 1; _safeMint(owner, mintIndex); emit MintFrame(mintIndex); } // ------------------ // Owner functions // ------------------ function setOmmContractAddress(address _ommContractAddress) external onlyOwner { ommContractAddress = _ommContractAddress; } function setBaseUri(string memory _baseUri) external onlyOwner whenMetadataIsNotFrozen { baseUri = _baseUri; emit SetBaseUri(baseUri); } function setTokenURI(uint256 tokenId, string memory tokenURI) external onlyOwner whenMetadataIsNotFrozen { super._setTokenURI(tokenId, tokenURI); } function freezeMetadata() external onlyOwner whenMetadataIsNotFrozen { metadataFrozen = true; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../ERC721.sol"; /** * @dev ERC721 token with storage based token URI management. */ abstract contract ERC721URIStorage is ERC721 { using Strings for uint256; // Optional mapping for token URIs mapping(uint256 => string) private _tokenURIs; /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721URIStorage: URI query for nonexistent token"); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = _baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked). if (bytes(_tokenURI).length > 0) { return string(abi.encodePacked(base, _tokenURI)); } return super.tokenURI(tokenId); } /** * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { require(_exists(tokenId), "ERC721URIStorage: URI set of nonexistent token"); _tokenURIs[tokenId] = _tokenURI; } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual override { super._burn(tokenId); if (bytes(_tokenURIs[tokenId]).length != 0) { delete _tokenURIs[tokenId]; } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../ERC721.sol"; import "./IERC721Enumerable.sol"; /** * @dev This implements an optional extension of {ERC721} defined in the EIP that adds * enumerability of all the token ids in the contract as well as all token ids owned by each * account. */ abstract contract ERC721Enumerable is ERC721, IERC721Enumerable { // Mapping from owner to list of owned token IDs mapping(address => mapping(uint256 => uint256)) private _ownedTokens; // Mapping from token ID to index of the owner tokens list mapping(uint256 => uint256) private _ownedTokensIndex; // Array with all token ids, used for enumeration uint256[] private _allTokens; // Mapping from token id to position in the allTokens array mapping(uint256 => uint256) private _allTokensIndex; /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) { return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}. */ function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) { require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds"); return _ownedTokens[owner][index]; } /** * @dev See {IERC721Enumerable-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _allTokens.length; } /** * @dev See {IERC721Enumerable-tokenByIndex}. */ function tokenByIndex(uint256 index) public view virtual override returns (uint256) { require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds"); return _allTokens[index]; } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` cannot be the zero address. * - `to` cannot be the zero address. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual override { super._beforeTokenTransfer(from, to, tokenId); if (from == address(0)) { _addTokenToAllTokensEnumeration(tokenId); } else if (from != to) { _removeTokenFromOwnerEnumeration(from, tokenId); } if (to == address(0)) { _removeTokenFromAllTokensEnumeration(tokenId); } else if (to != from) { _addTokenToOwnerEnumeration(to, tokenId); } } /** * @dev Private function to add a token to this extension's ownership-tracking data structures. * @param to address representing the new owner of the given token ID * @param tokenId uint256 ID of the token to be added to the tokens list of the given address */ function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private { uint256 length = ERC721.balanceOf(to); _ownedTokens[to][length] = tokenId; _ownedTokensIndex[tokenId] = length; } /** * @dev Private function to add a token to this extension's token tracking data structures. * @param tokenId uint256 ID of the token to be added to the tokens list */ function _addTokenToAllTokensEnumeration(uint256 tokenId) private { _allTokensIndex[tokenId] = _allTokens.length; _allTokens.push(tokenId); } /** * @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that * while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for * gas optimizations e.g. when performing a transfer operation (avoiding double writes). * This has O(1) time complexity, but alters the order of the _ownedTokens array. * @param from address representing the previous owner of the given token ID * @param tokenId uint256 ID of the token to be removed from the tokens list of the given address */ function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private { // To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = ERC721.balanceOf(from) - 1; uint256 tokenIndex = _ownedTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary if (tokenIndex != lastTokenIndex) { uint256 lastTokenId = _ownedTokens[from][lastTokenIndex]; _ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index } // This also deletes the contents at the last position of the array delete _ownedTokensIndex[tokenId]; delete _ownedTokens[from][lastTokenIndex]; } /** * @dev Private function to remove a token from this extension's token tracking data structures. * This has O(1) time complexity, but alters the order of the _allTokens array. * @param tokenId uint256 ID of the token to be removed from the tokens list */ function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private { // To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and // then delete the last slot (swap and pop). uint256 lastTokenIndex = _allTokens.length - 1; uint256 tokenIndex = _allTokensIndex[tokenId]; // When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so // rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding // an 'if' statement (like in _removeTokenFromOwnerEnumeration) uint256 lastTokenId = _allTokens[lastTokenIndex]; _allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token _allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index // This also deletes the contents at the last position of the array delete _allTokensIndex[tokenId]; _allTokens.pop(); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "./extensions/IERC721Metadata.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/Strings.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: balance query for the zero address"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: owner query for nonexistent token"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token"); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overriden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { require(_exists(tokenId), "ERC721: approved query for nonexistent token"); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { require(operator != _msgSender(), "ERC721: approve to caller"); _operatorApprovals[_msgSender()][operator] = approved; emit ApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory _data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved"); _safeTransfer(from, to, tokenId, _data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `_data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory _data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { require(_exists(tokenId), "ERC721: operator query for nonexistent token"); address owner = ERC721.ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory _data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits a {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param _data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory _data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @title ERC721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted. * * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason 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 { // 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 assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { 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_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` * * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation. */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Enumerable is IERC721 { /** * @dev Returns the total amount of tokens stored by the contract. */ function totalSupply() external view returns (uint256); /** * @dev Returns a token ID owned by `owner` at a given `index` of its token list. * Use along with {balanceOf} to enumerate all of ``owner``'s tokens. */ function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId); /** * @dev Returns a token ID at a given `index` of all the tokens stored by the contract. * Use along with {totalSupply} to enumerate all tokens. */ function tokenByIndex(uint256 index) external view returns (uint256); }
{ "optimizer": { "enabled": true, "runs": 1000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
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[{"inputs":[],"name":"AmountExceedsCommunityMax","type":"error"},{"inputs":[],"name":"AmountExceedsMax","type":"error"},{"inputs":[],"name":"AmountExceedsMaxPerMint","type":"error"},{"inputs":[],"name":"AmountExceedsMaxPerUser","type":"error"},{"inputs":[],"name":"CommunityLinkAlreadyUsed","type":"error"},{"inputs":[],"name":"CommunitySaleInactive","type":"error"},{"inputs":[],"name":"ContractAlreadyInitialized","type":"error"},{"inputs":[],"name":"EmptyAddress","type":"error"},{"inputs":[],"name":"EtherValueIncorrect","type":"error"},{"inputs":[],"name":"ExceedCap","type":"error"},{"inputs":[],"name":"ExceedsMaxMintsForMintInterval","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[],"name":"MaxOmmIsZero","type":"error"},{"inputs":[],"name":"SaleInactive","type":"error"},{"inputs":[],"name":"SaleOfOriginalContractActive","type":"error"},{"inputs":[],"name":"WalletSenderMismatch","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"","type":"address"},{"indexed":false,"internalType":"uint256","name":"","type":"uint256"}],"name":"Received","type":"event"},{"inputs":[],"name":"communitySaleIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"wallet","type":"address"},{"internalType":"uint256","name":"maxAmount","type":"uint256"},{"internalType":"uint256","name":"timestamp","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"communitySaleMintOMM","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"emergencyRecoverTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"},{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"emergencyRecoverTokensOriginalContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emergencyWithdrawOriginalContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"freezeMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"freezeProvenance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_old_contract_address","type":"address"},{"internalType":"uint256","name":"_maxOmm","type":"uint256"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lastPurchase","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxOmm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"numberOfTokens","type":"uint256"}],"name":"mintForCommunity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mintOMM","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"saleIsActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_baseUri","type":"string"}],"name":"setBaseUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_communitySaleSigner","type":"address"}],"name":"setCommunitySaleSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract Frames","name":"_framesContract","type":"address"}],"name":"setFramesContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxPerMint","type":"uint256"}],"name":"setMaxPerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxPerUser","type":"uint256"}],"name":"setMaxPerUser","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintInterval","type":"uint256"}],"name":"setMintInterval","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintPrice","type":"uint256"}],"name":"setMintPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintPriceCommunity","type":"uint256"}],"name":"setMintPriceCommunity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_provenanceHash","type":"string"}],"name":"setProvenanceHash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"string","name":"_tokenURI","type":"string"}],"name":"setTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_unrevealedTokenUri","type":"string"}],"name":"setUnrevealedTokenUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleBurnState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleCommunitySaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toggleSaleState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"usedLink","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"mainShareholder1","type":"address"},{"internalType":"address","name":"mainShareholder2","type":"address"},{"internalType":"address","name":"fivePercentShareholder1","type":"address"},{"internalType":"address","name":"onePercentShareholder1","type":"address"},{"internalType":"address","name":"onePercentShareholder2","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"mainShareholder1","type":"address"},{"internalType":"address","name":"mainShareholder2","type":"address"},{"internalType":"address","name":"fivePercentShareholder1","type":"address"},{"internalType":"address","name":"onePercentShareholder1","type":"address"},{"internalType":"address","name":"onePercentShareholder2","type":"address"}],"name":"withdrawOriginalContract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ETH | 100.00% | $3,305.65 | 0.31 | $1,024.75 |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.