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Set Approval For... | 21164097 | 42 days ago | IN | 0 ETH | 0.00035689 | ||||
Set Approval For... | 21041785 | 59 days ago | IN | 0 ETH | 0.00016861 | ||||
Set Approval For... | 21004662 | 64 days ago | IN | 0 ETH | 0.00031881 | ||||
Set Approval For... | 20523473 | 132 days ago | IN | 0 ETH | 0.00004559 | ||||
Set Approval For... | 20425809 | 145 days ago | IN | 0 ETH | 0.00011333 | ||||
Set Approval For... | 20266848 | 167 days ago | IN | 0 ETH | 0.00008724 | ||||
Set Approval For... | 20266846 | 167 days ago | IN | 0 ETH | 0.00008601 | ||||
Set Approval For... | 20266834 | 167 days ago | IN | 0 ETH | 0.00007917 | ||||
Set Approval For... | 20157573 | 183 days ago | IN | 0 ETH | 0.00007716 | ||||
Set Approval For... | 20152883 | 183 days ago | IN | 0 ETH | 0.00015706 | ||||
Set Approval For... | 20087040 | 193 days ago | IN | 0 ETH | 0.00038613 | ||||
Set Approval For... | 20049509 | 198 days ago | IN | 0 ETH | 0.00033603 | ||||
Set Approval For... | 19938752 | 213 days ago | IN | 0 ETH | 0.0004305 | ||||
Set Approval For... | 19909620 | 217 days ago | IN | 0 ETH | 0.00006558 | ||||
Set Approval For... | 19908334 | 218 days ago | IN | 0 ETH | 0.00012949 | ||||
Set Approval For... | 19906633 | 218 days ago | IN | 0 ETH | 0.00012757 | ||||
Set Approval For... | 19895526 | 219 days ago | IN | 0 ETH | 0.00007987 | ||||
Set Approval For... | 19894217 | 220 days ago | IN | 0 ETH | 0.00010261 | ||||
Set Approval For... | 19881152 | 221 days ago | IN | 0 ETH | 0.00024415 | ||||
Set Approval For... | 19878199 | 222 days ago | IN | 0 ETH | 0.00019591 | ||||
Set Approval For... | 19873616 | 222 days ago | IN | 0 ETH | 0.00020286 | ||||
Set Approval For... | 19851424 | 225 days ago | IN | 0 ETH | 0.00016814 | ||||
Set Approval For... | 19848990 | 226 days ago | IN | 0 ETH | 0.00015005 | ||||
Set Approval For... | 19825697 | 229 days ago | IN | 0 ETH | 0.00016076 | ||||
Set Approval For... | 19718152 | 244 days ago | IN | 0 ETH | 0.00051777 |
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Contract Name:
TheMergeNFT
Compiler Version
v0.8.13+commit.abaa5c0e
Optimization Enabled:
Yes with 800 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Apache-2.0 pragma solidity >=0.8.13; import "@magicdust/binary-erc1155/contracts/BinaryERC1155.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; /// @title TheMergeNFT /// @author OnlyDust contract TheMergeNFT is BinaryERC1155, Ownable { // Token ids constants uint256 public constant ONE_TRANSACTION = 0; uint256 public constant ONE_HUNDRED_TRANSACTIONS = 1; uint256 public constant DEPLOYMENT = 2; uint256 public constant TEN_DEPLOYMENTS = 3; uint256 public constant ONE_HUNDRED_DEPLOYMENTS = 4; uint256 public constant TEN_CALLS_TEN_CONTRACTS = 5; uint256 public constant VALIDATOR = 6; uint256 public constant SLASHED_VALIDATOR = 7; // Root hash of the whitelist Merkle Tree. bytes32 public merkleRoot; // mapping variable to mark whitelist addresses as having claimed. mapping(address => bool) public whitelistClaimed; constructor(bytes32 merkleRoot_, string memory uri) BinaryERC1155(uri) { merkleRoot = merkleRoot_; } /// @dev Set the new base URI /// @param newUri_ The new base URI function setURI(string calldata newUri_) public onlyOwner { _setURI(newUri_); } /// @dev Mint some NFTs if whitelisted. /// @param tokenIds_ The packed types of NFTs to mint. /// @param whiteListMerkleProof_ Merkle proof. /// @param for_ The address to mint the NFTs for function mint( uint256 tokenIds_, bytes32[] calldata whiteListMerkleProof_, address for_ ) external { require(for_ != address(0), "NFTs receiver must be a valid address"); require(tokenIds_ > 0, "No token ids provided"); // Ensure wallet hasn't already claimed. require(!whitelistClaimed[msg.sender], "Address has already claimed their tokens."); bytes memory data = abi.encodePacked(msg.sender, tokenIds_); bytes32 leaf = keccak256(data); // Verify the provider merkle proof. require(MerkleProof.verify(whiteListMerkleProof_, merkleRoot, leaf), "Invalid proof."); // Mark address as having claimed their token. whitelistClaimed[msg.sender] = true; _mintBatch(for_, tokenIds_, ""); } function _beforeTokenTransfer( address, address from, address, uint256[] memory, uint256[] memory, bytes memory ) internal pure override { require(from == address(0), "Transfers are not allowed"); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.10 <0.9.0; import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol"; import "@openzeppelin/contracts/utils/Address.sol"; import "./BitOperation.sol"; /** * @dev Implementation of a binary multi-token. * See https://eips.ethereum.org/EIPS/eip-1155 * Originally based on code by OpenZeppelin: https://github.com/OpenZeppelin/openzeppelin-contracts * * This implementation lets addresses hold a unique instance of multiple tokens */ contract BinaryERC1155 is ERC1155 { /* ====== LIBRARY USAGE ====== */ using BitOperation for uint256; using Address for address; /* ====== PRIVATE VARIABLES ====== */ // Mapping from accounts to packed token ids mapping(address => uint256) private _balances; /* ====== CONSTRUCTOR ====== */ // solhint-disable no-empty-blocks constructor(string memory uri_) ERC1155(uri_) {} /* ====== MODIFIERS ====== */ /// @notice Checkes if a provided uint256 can be casted as a uint8 /// @dev Verify that the provided value is within the range of uint8 /// @param value_ The value to be checked modifier isUint8(uint256 value_) { require(value_ < 256, "BinaryERC1155: value must be less than 256"); _; } /* ====== PUBLIC FUNCTIONS ====== */ /// @notice Give the balance of the specified token ID for the specified account /// @param account_ the account to check the balance for /// @param id_ the token ID to check the balance of. Must be less than 256 /// @return the balance of the token ID for the specified account function balanceOf(address account_, uint256 id_) public view virtual override isUint8(id_) returns (uint256) { require(account_ != address(0), "ERC1155: balance query for the zero address"); uint256 packedBalance = _balances[account_]; return packedBalance.getBit(uint8(id_)) ? 1 : 0; } /// @notice Give the balance of the specified token IDs for the specified accounts /// @param accounts_ the accounts to check the balance for /// @param ids_ the token IDs to check the balance of. Must all be less than 256 /// @return the balance of the token IDs for the specified accounts function balanceOfBatch(address[] memory accounts_, uint256[] memory ids_) public view virtual override returns (uint256[] memory) { require(accounts_.length == ids_.length, "ERC1155: accounts and ids length mismatch"); uint256[] memory balances = new uint256[](accounts_.length); for (uint256 i = 0; i < accounts_.length; i++) { balances[i] = balanceOf(accounts_[i], ids_[i]); } return balances; } /* ====== INTERNAL FUNCTIONS ====== */ /// @notice Mint a new token of a specific id for a given address /// @param to_ the address to mint the token for /// @param id_ the token ID to mint /// @param data_ extra data function _mint( address to_, uint8 id_, bytes memory data_ ) internal virtual { _safeTransferFrom(address(0), to_, id_, 1, data_); } /// @notice Mint a batch of new tokens of a specific id for a given address /// @param to_ the address to mint the tokens for /// @param packedIds_ the token ids to transfer, packed as a uint256, each token id is the bit position /// of the corresponding binary representation of this uint256 /// @param data_ extra data function _mintBatch( address to_, uint256 packedIds_, bytes memory data_ ) internal virtual { require(to_ != address(0), "ERC1155: transfer to the zero address"); require(_balances[to_].negatesMask(packedIds_), "BinaryERC1155: minting of already owned tokens"); address operator = _msgSender(); uint256[] memory ids = packedIds_.unpackIn2Radix(); uint256[] memory amounts = _arrayOfOnes(ids.length); _beforeTokenTransfer(operator, address(0), to_, ids, amounts, data_); // Check for origin balance and destination balances have been done, // now we can safely update the balances _balances[to_] = _balances[to_] + packedIds_; emit TransferBatch(operator, address(0), to_, ids, amounts); _afterTokenTransfer(operator, address(0), to_, ids, amounts, data_); _doSafeBatchTransferAcceptanceCheckCopy(operator, address(0), to_, ids, amounts, data_); } /// @notice Burn a given token id for a given address /// @param from_ the address to burn the token for /// @param id_ the token ID to burn function _burn(address from_, uint8 id_) internal virtual { require(from_ != address(0), "ERC1155: burn from the zero address"); address operator = _msgSender(); uint256[] memory ids = _asSingletonArrayCopy(id_); uint256[] memory amounts = _arrayOfOnes(1); _beforeTokenTransfer(operator, from_, address(0), ids, amounts, ""); uint256 fromBalance = _balances[from_]; require(fromBalance.getBit(id_), "ERC1155: burn amount exceeds balance"); _balances[from_] = fromBalance.clearBit(id_); emit TransferSingle(operator, from_, address(0), id_, 1); _afterTokenTransfer(operator, from_, address(0), ids, amounts, ""); } /// @notice Burn a batch of token ids for a given address /// @param from_ the address to burn the token for /// @param packedIds_ the token ids to burn, packed as a uint256, each token id is the bit position /// of the corresponding binary representation of this uint256 function _burnBatch(address from_, uint256 packedIds_) internal virtual { require(from_ != address(0), "ERC1155: burn from the zero address"); require(packedIds_ > 0, "BinaryERC1155: burn of empty token ids"); address operator = _msgSender(); uint256[] memory ids = packedIds_.unpackIn2Radix(); uint256[] memory amounts = _arrayOfOnes(ids.length); _beforeTokenTransfer(operator, from_, address(0), ids, amounts, ""); require(_balances[from_].matchesMask(packedIds_), "ERC1155: burn amount exceeds balance"); // Check for token balance has been done, // now we can safely update the balances _balances[from_] = _balances[from_] - packedIds_; emit TransferBatch(operator, from_, address(0), ids, amounts); _afterTokenTransfer(operator, from_, address(0), ids, amounts, ""); } /// @notice Transfers a token id from one address to another /// @dev Also accepts a zero address for the origin address when minting the token /// @param from_ the address to transfer the token from, can be the zero address /// @param to_ the address to transfer the token to /// @param id_ the token ID to transfer /// @param amount_ the token amount of tokens to transfer, must be 1 /// @param data_ extra data function _safeTransferFrom( address from_, address to_, uint256 id_, uint256 amount_, bytes memory data_ ) internal virtual override isUint8(id_) { require(to_ != address(0), "ERC1155: transfer to the zero address"); require(amount_ == 1, "BinaryERC1155: transfer amount must be 1"); uint8 castedId = uint8(id_); require(_balances[to_].getBit(castedId) == false, "BinaryERC1155: transfer of already owned token"); address operator = _msgSender(); uint256[] memory ids = _asSingletonArrayCopy(id_); uint256[] memory amounts = _asSingletonArrayCopy(amount_); _beforeTokenTransfer(operator, from_, to_, ids, amounts, data_); if (from_ != address(0)) { // This is not a minting transfer, let's make some operations on the source address bool fromOwnsToken = _balances[from_].getBit(castedId); require(fromOwnsToken, "ERC1155: insufficient balance for transfer"); _balances[from_] = _balances[from_].clearBit(castedId); } _balances[to_] = _balances[to_].setBit(castedId); emit TransferSingle(operator, from_, to_, id_, amount_); _afterTokenTransfer(operator, from_, to_, ids, amounts, data_); _doSafeTransferAcceptanceCheckCopy(operator, from_, to_, id_, amount_, data_); } /// @notice Transfers a batch of token ids from one address to another /// @dev Also accepts a zero address for the origin address when minting the token /// @param from_ the address to transfer the token from, can be the zero address /// @param to_ the address to transfer the token to /// @param ids_ the token ids to transfer /// @param amounts_ the amounts of tokens to transfer, treated as being 1 for each token id /// @param data_ extra data function _safeBatchTransferFrom( address from_, address to_, uint256[] memory ids_, uint256[] memory amounts_, bytes memory data_ ) internal virtual override { require(to_ != address(0), "ERC1155: transfer to the zero address"); require(ids_.length == amounts_.length, "ERC1155: ids and amounts length mismatch"); uint256 packedIds = _pack(ids_); require(_balances[to_].negatesMask(packedIds), "BinaryERC1155: transfer of already owned tokens"); address operator = _msgSender(); uint256[] memory amounts = _arrayOfOnes(ids_.length); _beforeTokenTransfer(operator, from_, to_, ids_, amounts, data_); // Check for origin balance and destination balances have been done, // now we can safely update the balances if (from_ != address(0)) { require(_balances[from_].matchesMask(packedIds), "ERC1155: insufficient balance for transfer"); _balances[from_] = _balances[from_] - packedIds; } _balances[to_] = _balances[to_] + packedIds; emit TransferBatch(operator, from_, to_, ids_, amounts); _afterTokenTransfer(operator, from_, to_, ids_, amounts, data_); _doSafeBatchTransferAcceptanceCheckCopy(operator, from_, to_, ids_, amounts, data_); } /// @notice Return an array filled with ones /// @param length_ The length of the array /// @return array The array of length length_ filled with ones function _arrayOfOnes(uint256 length_) internal pure returns (uint256[] memory) { uint256[] memory result = new uint256[](length_); if (length_ != 0) { for (uint256 i = 0; i < length_ - 1; ++i) { result[i] = 1; } } return result; } /// @notice Pack an array of uint256 into a uint256 /// @dev Pack values into a uint256, requiring the values to be less than 256 /// @param ids_ The values to pack /// @return packed uint256 The packed values function _pack(uint256[] memory ids_) internal pure returns (uint256 packed) { for (uint256 i = 0; i < ids_.length; ++i) { require(ids_[i] < 256, "BinaryERC1155: token id must be less than 256"); packed = packed.setBit(uint8(ids_[i])); } } /* ====== ABSTRACTED INTERNAL FUNCTIONS FROM OPENZEPELLIN ====== */ /// @notice Override OpenZeppelin method and mark it abstract since the amount_ /// parameter is not releveant in this binary implementation function _mint( address to_, uint256 id_, uint256 amount_, bytes memory data_ ) internal virtual override {} /// @notice Override OpenZeppelin method and mark it abstract since the amounts_ /// parameter is not releveant in this binary implementation function _mintBatch( address to_, uint256[] memory ids_, uint256[] memory amounts_, bytes memory data_ ) internal virtual override {} /// @notice Override OpenZeppelin method and mark it abstract since the amount_ /// parameter is not releveant in this binary implementation function _burn( address from, uint256 id, uint256 amount ) internal virtual override {} /// @notice Override OpenZeppelin method and mark it abstract since the amounts_ /// parameter is not releveant in this binary implementation function _burnBatch( address from_, uint256[] memory ids_, uint256[] memory amounts_ ) internal virtual override {} /* ====== COPIED PRIVATE FUNCTIONS FROM OPENZEPELLIN ====== */ /// @notice copied from OpenZeppelin's _doSafeTransferAcceptanceCheck method /// The source function is private and cannot be overriden nor used /// we then need to rename it function _doSafeTransferAcceptanceCheckCopy( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) { if (response != IERC1155Receiver.onERC1155Received.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } /// @notice copied from OpenZeppelin's _doSafeBatchTransferAcceptanceCheck method /// The source function is private and cannot be overriden nor used /// we then need to rename it function _doSafeBatchTransferAcceptanceCheckCopy( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns ( bytes4 response ) { if (response != IERC1155Receiver.onERC1155BatchReceived.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } /// @notice copied from OpenZeppelin's _asSingletonArray method /// The source function is private and cannot be overriden nor used /// we then need to rename it function _asSingletonArrayCopy(uint256 element) private pure returns (uint256[] memory) { uint256[] memory array = new uint256[](1); array[0] = element; return array; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) 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() { _transferOwnership(_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 { _transferOwnership(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"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0-rc.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.0; /** * @dev These functions deal with verification of Merkle Trees proofs. * * The proofs can be generated using the JavaScript library * https://github.com/miguelmota/merkletreejs[merkletreejs]. * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled. * * See `test/utils/cryptography/MerkleProof.test.js` for some examples. * * WARNING: You should avoid using leaf values that are 64 bytes long prior to * hashing, or use a hash function other than keccak256 for hashing leaves. * This is because the concatenation of a sorted pair of internal nodes in * the merkle tree could be reinterpreted as a leaf value. */ library MerkleProof { /** * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree * defined by `root`. For this, a `proof` must be provided, containing * sibling hashes on the branch from the leaf to the root of the tree. Each * pair of leaves and each pair of pre-images are assumed to be sorted. */ function verify( bytes32[] memory proof, bytes32 root, bytes32 leaf ) internal pure returns (bool) { return processProof(proof, leaf) == root; } /** * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt * hash matches the root of the tree. When processing the proof, the pairs * of leafs & pre-images are assumed to be sorted. * * _Available since v4.4._ */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { bytes32 proofElement = proof[i]; if (computedHash <= proofElement) { // Hash(current computed hash + current element of the proof) computedHash = _efficientHash(computedHash, proofElement); } else { // Hash(current element of the proof + current computed hash) computedHash = _efficientHash(proofElement, computedHash); } } return computedHash; } function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0-rc.0) (token/ERC1155/ERC1155.sol) pragma solidity ^0.8.0; import "./IERC1155.sol"; import "./IERC1155Receiver.sol"; import "./extensions/IERC1155MetadataURI.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of the basic standard multi-token. * See https://eips.ethereum.org/EIPS/eip-1155 * Originally based on code by Enjin: https://github.com/enjin/erc-1155 * * _Available since v3.1._ */ contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI { using Address for address; // Mapping from token ID to account balances mapping(uint256 => mapping(address => uint256)) private _balances; // Mapping from account to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json string private _uri; /** * @dev See {_setURI}. */ constructor(string memory uri_) { _setURI(uri_); } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC1155).interfaceId || interfaceId == type(IERC1155MetadataURI).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC1155MetadataURI-uri}. * * This implementation returns the same URI for *all* token types. It relies * on the token type ID substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * Clients calling this function must replace the `\{id\}` substring with the * actual token type ID. */ function uri(uint256) public view virtual override returns (string memory) { return _uri; } /** * @dev See {IERC1155-balanceOf}. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) public view virtual override returns (uint256) { require(account != address(0), "ERC1155: balance query for the zero address"); return _balances[id][account]; } /** * @dev See {IERC1155-balanceOfBatch}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] memory accounts, uint256[] memory ids) public view virtual override returns (uint256[] memory) { require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch"); uint256[] memory batchBalances = new uint256[](accounts.length); for (uint256 i = 0; i < accounts.length; ++i) { batchBalances[i] = balanceOf(accounts[i], ids[i]); } return batchBalances; } /** * @dev See {IERC1155-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC1155-isApprovedForAll}. */ function isApprovedForAll(address account, address operator) public view virtual override returns (bool) { return _operatorApprovals[account][operator]; } /** * @dev See {IERC1155-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: caller is not owner nor approved" ); _safeTransferFrom(from, to, id, amount, data); } /** * @dev See {IERC1155-safeBatchTransferFrom}. */ function safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) public virtual override { require( from == _msgSender() || isApprovedForAll(from, _msgSender()), "ERC1155: transfer caller is not owner nor approved" ); _safeBatchTransferFrom(from, to, ids, amounts, data); } /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: transfer to the zero address"); address operator = _msgSender(); uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(operator, from, to, ids, amounts, data); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; emit TransferSingle(operator, from, to, id, amount); _afterTokenTransfer(operator, from, to, ids, amounts, data); _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _safeBatchTransferFrom( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); require(to != address(0), "ERC1155: transfer to the zero address"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, to, ids, amounts, data); for (uint256 i = 0; i < ids.length; ++i) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: insufficient balance for transfer"); unchecked { _balances[id][from] = fromBalance - amount; } _balances[id][to] += amount; } emit TransferBatch(operator, from, to, ids, amounts); _afterTokenTransfer(operator, from, to, ids, amounts, data); _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data); } /** * @dev Sets a new URI for all token types, by relying on the token type ID * substitution mechanism * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP]. * * By this mechanism, any occurrence of the `\{id\}` substring in either the * URI or any of the amounts in the JSON file at said URI will be replaced by * clients with the token type ID. * * For example, the `https://token-cdn-domain/\{id\}.json` URI would be * interpreted by clients as * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json` * for token type ID 0x4cce0. * * See {uri}. * * Because these URIs cannot be meaningfully represented by the {URI} event, * this function emits no events. */ function _setURI(string memory newuri) internal virtual { _uri = newuri; } /** * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function _mint( address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); address operator = _msgSender(); uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(operator, address(0), to, ids, amounts, data); _balances[id][to] += amount; emit TransferSingle(operator, address(0), to, id, amount); _afterTokenTransfer(operator, address(0), to, ids, amounts, data); _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function _mintBatch( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { require(to != address(0), "ERC1155: mint to the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, address(0), to, ids, amounts, data); for (uint256 i = 0; i < ids.length; i++) { _balances[ids[i]][to] += amounts[i]; } emit TransferBatch(operator, address(0), to, ids, amounts); _afterTokenTransfer(operator, address(0), to, ids, amounts, data); _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data); } /** * @dev Destroys `amount` tokens of token type `id` from `from` * * Requirements: * * - `from` cannot be the zero address. * - `from` must have at least `amount` tokens of token type `id`. */ function _burn( address from, uint256 id, uint256 amount ) internal virtual { require(from != address(0), "ERC1155: burn from the zero address"); address operator = _msgSender(); uint256[] memory ids = _asSingletonArray(id); uint256[] memory amounts = _asSingletonArray(amount); _beforeTokenTransfer(operator, from, address(0), ids, amounts, ""); uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } emit TransferSingle(operator, from, address(0), id, amount); _afterTokenTransfer(operator, from, address(0), ids, amounts, ""); } /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}. * * Requirements: * * - `ids` and `amounts` must have the same length. */ function _burnBatch( address from, uint256[] memory ids, uint256[] memory amounts ) internal virtual { require(from != address(0), "ERC1155: burn from the zero address"); require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch"); address operator = _msgSender(); _beforeTokenTransfer(operator, from, address(0), ids, amounts, ""); for (uint256 i = 0; i < ids.length; i++) { uint256 id = ids[i]; uint256 amount = amounts[i]; uint256 fromBalance = _balances[id][from]; require(fromBalance >= amount, "ERC1155: burn amount exceeds balance"); unchecked { _balances[id][from] = fromBalance - amount; } } emit TransferBatch(operator, from, address(0), ids, amounts); _afterTokenTransfer(operator, from, address(0), ids, amounts, ""); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits a {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC1155: setting approval status for self"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Hook that is called before any token transfer. This includes minting * and burning, as well as batched variants. * * The same hook is called on both single and batched variants. For single * transfers, the length of the `id` and `amount` arrays will be 1. * * Calling conditions (for each `id` and `amount` pair): * * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens * of token type `id` will be transferred to `to`. * - When `from` is zero, `amount` tokens of token type `id` will be minted * for `to`. * - when `to` is zero, `amount` of ``from``'s tokens of token type `id` * will be burned. * - `from` and `to` are never both zero. * - `ids` and `amounts` have the same, non-zero length. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual {} /** * @dev Hook that is called after any token transfer. This includes minting * and burning, as well as batched variants. * * The same hook is called on both single and batched variants. For single * transfers, the length of the `id` and `amount` arrays will be 1. * * Calling conditions (for each `id` and `amount` pair): * * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens * of token type `id` will be transferred to `to`. * - When `from` is zero, `amount` tokens of token type `id` will be minted * for `to`. * - when `to` is zero, `amount` of ``from``'s tokens of token type `id` * will be burned. * - `from` and `to` are never both zero. * - `ids` and `amounts` have the same, non-zero length. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual {} function _doSafeTransferAcceptanceCheck( address operator, address from, address to, uint256 id, uint256 amount, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) { if (response != IERC1155Receiver.onERC1155Received.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _doSafeBatchTransferAcceptanceCheck( address operator, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { if (to.isContract()) { try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns ( bytes4 response ) { if (response != IERC1155Receiver.onERC1155BatchReceived.selector) { revert("ERC1155: ERC1155Receiver rejected tokens"); } } catch Error(string memory reason) { revert(reason); } catch { revert("ERC1155: transfer to non ERC1155Receiver implementer"); } } } function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) { uint256[] memory array = new uint256[](1); array[0] = element; return array; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://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 >=0.8.10 <0.9.0; /** * Bit manipulation made easy on 32 bytes slots represented by bytes32 primitives */ library BitOperation { function getBit(uint256 input_, uint8 index_) internal pure returns (bool) { return (input_ & (1 << index_)) != 0; } function clearBit(uint256 input_, uint8 index_) internal pure returns (uint256) { return input_ & ~(1 << index_); } function setBit(uint256 input_, uint8 index_) internal pure returns (uint256) { return input_ | (1 << index_); } function matchesMask(uint256 input_, uint256 mask_) internal pure returns (bool) { return (input_ & mask_) == mask_; } function negatesMask(uint256 input_, uint256 mask_) internal pure returns (bool) { return (input_ & mask_) == 0; } /// @notice Unpack a provided number into its composing powers of 2 /// @dev Iteratively shift the number's binary representation to the right and check for the result parity /// @param packedNumber_ The number to decompose /// @return unpackedNumber The array of powers of 2 composing the number function unpackIn2Radix(uint256 packedNumber_) internal pure returns (uint256[] memory unpackedNumber) { // solhint-disable no-inline-assembly // Assembly is needed here to create a dynamic size array in memory instead of a storage one assembly { let currentPowerOf2 := 0 // solhint-disable no-empty-blocks // This for loop is a while loop in disguise for { } gt(packedNumber_, 0) { // Increase the power of 2 by 1 after each iteration currentPowerOf2 := add(1, currentPowerOf2) // Shift the input to the right by 1 packedNumber_ := shr(1, packedNumber_) } { // Check if the shifted input is odd if eq(and(1, packedNumber_), 1) { // The shifted input is odd, let's add this power of 2 to the decomposition array mstore(unpackedNumber, add(1, mload(unpackedNumber))) mstore(add(unpackedNumber, mul(mload(unpackedNumber), 0x20)), currentPowerOf2) } } // Set the length of the decomposition array // Update the free memory pointer according to the decomposition array size mstore(0x40, add(unpackedNumber, mul(add(1, mload(unpackedNumber)), 0x20))) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC1155 compliant contract, as defined in the * https://eips.ethereum.org/EIPS/eip-1155[EIP]. * * _Available since v3.1._ */ interface IERC1155 is IERC165 { /** * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`. */ event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value); /** * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all * transfers. */ event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] values ); /** * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to * `approved`. */ event ApprovalForAll(address indexed account, address indexed operator, bool approved); /** * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI. * * If an {URI} event was emitted for `id`, the standard * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value * returned by {IERC1155MetadataURI-uri}. */ event URI(string value, uint256 indexed id); /** * @dev Returns the amount of tokens of token type `id` owned by `account`. * * Requirements: * * - `account` cannot be the zero address. */ function balanceOf(address account, uint256 id) external view returns (uint256); /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}. * * Requirements: * * - `accounts` and `ids` must have the same length. */ function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids) external view returns (uint256[] memory); /** * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`, * * Emits an {ApprovalForAll} event. * * Requirements: * * - `operator` cannot be the caller. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns true if `operator` is approved to transfer ``account``'s tokens. * * See {setApprovalForAll}. */ function isApprovedForAll(address account, address operator) external view returns (bool); /** * @dev Transfers `amount` tokens of token type `id` from `from` to `to`. * * Emits a {TransferSingle} event. * * Requirements: * * - `to` cannot be the zero address. * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}. * - `from` must have a balance of tokens of type `id` of at least `amount`. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the * acceptance magic value. */ function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) external; /** * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}. * * Emits a {TransferBatch} event. * * Requirements: * * - `ids` and `amounts` must have the same length. * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the * acceptance magic value. */ function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol) pragma solidity ^0.8.0; import "../../utils/introspection/IERC165.sol"; /** * @dev _Available since v3.1._ */ interface IERC1155Receiver is IERC165 { /** * @dev Handles the receipt of a single ERC1155 token type. This function is * called at the end of a `safeTransferFrom` after the balance has been updated. * * NOTE: To accept the transfer, this must return * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` * (i.e. 0xf23a6e61, or its own function selector). * * @param operator The address which initiated the transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param id The ID of the token being transferred * @param value The amount of tokens being transferred * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed */ function onERC1155Received( address operator, address from, uint256 id, uint256 value, bytes calldata data ) external returns (bytes4); /** * @dev Handles the receipt of a multiple ERC1155 token types. This function * is called at the end of a `safeBatchTransferFrom` after the balances have * been updated. * * NOTE: To accept the transfer(s), this must return * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` * (i.e. 0xbc197c81, or its own function selector). * * @param operator The address which initiated the batch transfer (i.e. msg.sender) * @param from The address which previously owned the token * @param ids An array containing ids of each token being transferred (order and length must match values array) * @param values An array containing amounts of each token being transferred (order and length must match ids array) * @param data Additional data with no specified format * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed */ function onERC1155BatchReceived( address operator, address from, uint256[] calldata ids, uint256[] calldata values, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol) pragma solidity ^0.8.0; import "../IERC1155.sol"; /** * @dev Interface of the optional ERC1155MetadataExtension interface, as defined * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP]. * * _Available since v3.1._ */ interface IERC1155MetadataURI is IERC1155 { /** * @dev Returns the URI for token type `id`. * * If the `\{id\}` substring is present in the URI, it must be replaced by * clients with the actual token type ID. */ function uri(uint256 id) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) 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 // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol) 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 // OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol) 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); }
{ "metadata": { "bytecodeHash": "none" }, "optimizer": { "enabled": true, "runs": 800 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
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[{"inputs":[{"internalType":"bytes32","name":"merkleRoot_","type":"bytes32"},{"internalType":"string","name":"uri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"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":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[],"name":"DEPLOYMENT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ONE_HUNDRED_DEPLOYMENTS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ONE_HUNDRED_TRANSACTIONS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ONE_TRANSACTION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SLASHED_VALIDATOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TEN_CALLS_TEN_CONTRACTS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TEN_DEPLOYMENTS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VALIDATOR","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account_","type":"address"},{"internalType":"uint256","name":"id_","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts_","type":"address[]"},{"internalType":"uint256[]","name":"ids_","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenIds_","type":"uint256"},{"internalType":"bytes32[]","name":"whiteListMerkleProof_","type":"bytes32[]"},{"internalType":"address","name":"for_","type":"address"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newUri_","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelistClaimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
70b633f304e8689e67693ec59b947e78cb4df26d908dcb95a2a53c3b217b49aa00000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000007697066733a2f2f00000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : merkleRoot_ (bytes32): 0x70b633f304e8689e67693ec59b947e78cb4df26d908dcb95a2a53c3b217b49aa
Arg [1] : uri (string): ipfs://
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 70b633f304e8689e67693ec59b947e78cb4df26d908dcb95a2a53c3b217b49aa
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [3] : 697066733a2f2f00000000000000000000000000000000000000000000000000
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OVERVIEW
TheMerge badges for people who helped test the Kiln network.Multichain Portfolio | 30 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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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.