@levxdao/airdrop

{ "address": "0x7A04ac0B32cbCd1bD9d20e9A7aff54FB9c1947B6", "abi": [ { "inputs": [ { "internalType": "address", "name": "_nftContract", "type": "address" }, { "internalType": "address", "name": "_levx", "type": "address" }, { "internalType": "address", "name": "_wallet", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "slug", "type": "bytes32" }, { "indexed": false, "internalType": "address", "name": "signer", "type": "address" }, { "indexed": false, "internalType": "uint64", "name": "deadline", "type": "uint64" }, { "indexed": false, "internalType": "uint256", "name": "fromTokenId", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "maxTokenId", "type": "uint256" } ], "name": "Add", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "slug", "type": "bytes32" }, { "indexed": true, "internalType": "bytes32", "name": "id", "type": "bytes32" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "price", "type": "uint256" } ], "name": "Claim", "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": false, "internalType": "address", "name": "account", "type": "address" }, { "indexed": true, "internalType": "bool", "name": "isMinter", "type": "bool" } ], "name": "SetMinter", "type": "event" }, { "inputs": [ { "internalType": "bytes32", "name": "slug", "type": "bytes32" }, { "internalType": "address", "name": "signer", "type": "address" }, { "internalType": "uint64", "name": "deadline", "type": "uint64" }, { "internalType": "uint256", "name": "fromTokenId", "type": "uint256" }, { "internalType": "uint256", "name": "maxTokenId", "type": "uint256" } ], "name": "add", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "name": "airdrops", "outputs": [ { "internalType": "address", "name": "signer", "type": "address" }, { "internalType": "uint64", "name": "deadline", "type": "uint64" }, { "internalType": "uint256", "name": "nextTokenId", "type": "uint256" }, { "internalType": "uint256", "name": "maxTokenId", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "slug", "type": "bytes32" }, { "internalType": "bytes32", "name": "id", "type": "bytes32" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "internalType": "uint256", "name": "price", "type": "uint256" }, { "internalType": "uint8", "name": "v", "type": "uint8" }, { "internalType": "bytes32", "name": "r", "type": "bytes32" }, { "internalType": "bytes32", "name": "s", "type": "bytes32" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "claim", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "isMinter", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "levx", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "mint", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256[]", "name": "tokenIds", "type": "uint256[]" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "name": "mintBatch", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "nftContract", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "toTokenId", "type": "uint256" } ], "name": "parkTokenIds", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "string", "name": "baseURI", "type": "string" } ], "name": "setBaseURI", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" }, { "internalType": "bool", "name": "_isMinter", "type": "bool" } ], "name": "setMinter", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint8", "name": "_royaltyFee", "type": "uint8" } ], "name": "setRoyaltyFee", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_royaltyFeeRecipient", "type": "address" } ], "name": "setRoyaltyFeeRecipient", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "tokenId", "type": "uint256" }, { "internalType": "string", "name": "uri", "type": "string" } ], "name": "setTokenURI", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnershipOfNFTContract", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "wallet", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" } ], "transactionHash": "0x34651047a46352770b81feb91d14d31fdc1d03e64e38b4c6a0f63f96ee167653", "receipt": { "to": null, "from": "0x5b8C253517b6Bd003369173109693B01cb6841B5", "contractAddress": "0x7A04ac0B32cbCd1bD9d20e9A7aff54FB9c1947B6", "transactionIndex": 191, "gasUsed": "1659132", "logsBloom": "0x00000000000000000100000000000000000000000000000000900000000000000000000000000000000000000000000080000000000000000000000000000000000000000000001000000000000000000001000000000000000000000000000000000000020000000000000000000800000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000010000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000", "blockHash": "0x0e4a7495d76340f5445ab5f5dd828c1c68e892164944e07d76ed304ceaaacdb4", "transactionHash": "0x34651047a46352770b81feb91d14d31fdc1d03e64e38b4c6a0f63f96ee167653", "logs": [ { "transactionIndex": 191, "blockNumber": 14712571, "transactionHash": "0x34651047a46352770b81feb91d14d31fdc1d03e64e38b4c6a0f63f96ee167653", "address": "0x7A04ac0B32cbCd1bD9d20e9A7aff54FB9c1947B6", "topics": [ "0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0", "0x0000000000000000000000000000000000000000000000000000000000000000", "0x0000000000000000000000005b8c253517b6bd003369173109693b01cb6841b5" ], "data": "0x", "logIndex": 286, "blockHash": "0x0e4a7495d76340f5445ab5f5dd828c1c68e892164944e07d76ed304ceaaacdb4" } ], "blockNumber": 14712571, "cumulativeGasUsed": "15885609", "status": 1, "byzantium": true }, "args": [ "0xb8b07d0f2990ddd5b99b6db59dd8356ca2b1302d", "0xf474E526ADe9aD2CC2B66ffCE528B1A51B91FCdC", "0x0903f8892c06A99bf1D68088fAB597a0762e0BC8" ], "solcInputHash": "3e8fef43ca6da9b9316505ffcb4b9dd0", "metadata": "{\"compiler\":{\"version\":\"0.8.3+commit.8d00100c\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_nftContract\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_levx\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_wallet\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"slug\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"signer\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint64\",\"name\":\"deadline\",\"type\":\"uint64\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"fromTokenId\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"maxTokenId\",\"type\":\"uint256\"}],\"name\":\"Add\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"slug\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"id\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"}],\"name\":\"Claim\",\"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\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"bool\",\"name\":\"isMinter\",\"type\":\"bool\"}],\"name\":\"SetMinter\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"slug\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"signer\",\"type\":\"address\"},{\"internalType\":\"uint64\",\"name\":\"deadline\",\"type\":\"uint64\"},{\"internalType\":\"uint256\",\"name\":\"fromTokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"maxTokenId\",\"type\":\"uint256\"}],\"name\":\"add\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"airdrops\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"signer\",\"type\":\"address\"},{\"internalType\":\"uint64\",\"name\":\"deadline\",\"type\":\"uint64\"},{\"internalType\":\"uint256\",\"name\":\"nextTokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"maxTokenId\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"slug\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"id\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"price\",\"type\":\"uint256\"},{\"internalType\":\"uint8\",\"name\":\"v\",\"type\":\"uint8\"},{\"internalType\":\"bytes32\",\"name\":\"r\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"s\",\"type\":\"bytes32\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"claim\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"isMinter\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"levx\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"mint\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256[]\",\"name\":\"tokenIds\",\"type\":\"uint256[]\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"name\":\"mintBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"nftContract\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"toTokenId\",\"type\":\"uint256\"}],\"name\":\"parkTokenIds\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"baseURI\",\"type\":\"string\"}],\"name\":\"setBaseURI\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"_isMinter\",\"type\":\"bool\"}],\"name\":\"setMinter\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint8\",\"name\":\"_royaltyFee\",\"type\":\"uint8\"}],\"name\":\"setRoyaltyFee\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_royaltyFeeRecipient\",\"type\":\"address\"}],\"name\":\"setRoyaltyFeeRecipient\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"tokenId\",\"type\":\"uint256\"},{\"internalType\":\"string\",\"name\":\"uri\",\"type\":\"string\"}],\"name\":\"setTokenURI\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnershipOfNFTContract\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"wallet\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"renounceOwnership()\":{\"details\":\"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.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/NFTAirdropsAndSales.sol\":\"NFTAirdropsAndSales\"},\"evmVersion\":\"istanbul\",\"libraries\":{\":__CACHE_BREAKER__\":\"0x00000000d41867734bbee4c6863d9255b2b06ac1\"},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/access/Ownable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../utils/Context.sol\\\";\\n\\n/**\\n * @dev Contract module which provides a basic access control mechanism, where\\n * there is an account (an owner) that can be granted exclusive access to\\n * specific functions.\\n *\\n * By default, the owner account will be the one that deploys the contract. This\\n * can later be changed with {transferOwnership}.\\n *\\n * This module is used through inheritance. It will make available the modifier\\n * `onlyOwner`, which can be applied to your functions to restrict their use to\\n * the owner.\\n */\\nabstract contract Ownable is Context {\\n address private _owner;\\n\\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\\n\\n /**\\n * @dev Initializes the contract setting the deployer as the initial owner.\\n */\\n constructor() {\\n _transferOwnership(_msgSender());\\n }\\n\\n /**\\n * @dev Returns the address of the current owner.\\n */\\n function owner() public view virtual returns (address) {\\n return _owner;\\n }\\n\\n /**\\n * @dev Throws if called by any account other than the owner.\\n */\\n modifier onlyOwner() {\\n require(owner() == _msgSender(), \\\"Ownable: caller is not the owner\\\");\\n _;\\n }\\n\\n /**\\n * @dev Leaves the contract without owner. It will not be possible to call\\n * `onlyOwner` functions anymore. Can only be called by the current owner.\\n *\\n * NOTE: Renouncing ownership will leave the contract without an owner,\\n * thereby removing any functionality that is only available to the owner.\\n */\\n function renounceOwnership() public virtual onlyOwner {\\n _transferOwnership(address(0));\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Can only be called by the current owner.\\n */\\n function transferOwnership(address newOwner) public virtual onlyOwner {\\n require(newOwner != address(0), \\\"Ownable: new owner is the zero address\\\");\\n _transferOwnership(newOwner);\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Internal function without access restriction.\\n */\\n function _transferOwnership(address newOwner) internal virtual {\\n address oldOwner = _owner;\\n _owner = newOwner;\\n emit OwnershipTransferred(oldOwner, newOwner);\\n }\\n}\\n\",\"keccak256\":\"0x24e0364e503a9bbde94c715d26573a76f14cd2a202d45f96f52134ab806b67b9\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/IERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Interface of the ERC20 standard as defined in the EIP.\\n */\\ninterface IERC20 {\\n /**\\n * @dev Returns the amount of tokens in existence.\\n */\\n function totalSupply() external view returns (uint256);\\n\\n /**\\n * @dev Returns the amount of tokens owned by `account`.\\n */\\n function balanceOf(address account) external view returns (uint256);\\n\\n /**\\n * @dev Moves `amount` tokens from the caller's account to `to`.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transfer(address to, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Returns the remaining number of tokens that `spender` will be\\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\\n * zero by default.\\n *\\n * This value changes when {approve} or {transferFrom} are called.\\n */\\n function allowance(address owner, address spender) external view returns (uint256);\\n\\n /**\\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\\n * that someone may use both the old and the new allowance by unfortunate\\n * transaction ordering. One possible solution to mitigate this race\\n * condition is to first reduce the spender's allowance to 0 and set the\\n * desired value afterwards:\\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\\n *\\n * Emits an {Approval} event.\\n */\\n function approve(address spender, uint256 amount) external returns (bool);\\n\\n /**\\n * @dev Moves `amount` tokens from `from` to `to` using the\\n * allowance mechanism. `amount` is then deducted from the caller's\\n * allowance.\\n *\\n * Returns a boolean value indicating whether the operation succeeded.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transferFrom(\\n address from,\\n address to,\\n uint256 amount\\n ) external returns (bool);\\n\\n /**\\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\\n * another (`to`).\\n *\\n * Note that `value` may be zero.\\n */\\n event Transfer(address indexed from, address indexed to, uint256 value);\\n\\n /**\\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\\n * a call to {approve}. `value` is the new allowance.\\n */\\n event Approval(address indexed owner, address indexed spender, uint256 value);\\n}\\n\",\"keccak256\":\"0xbbc8ac883ac3c0078ce5ad3e288fbb3ffcc8a30c3a98c0fda0114d64fc44fca2\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../IERC20.sol\\\";\\nimport \\\"../../../utils/Address.sol\\\";\\n\\n/**\\n * @title SafeERC20\\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\\n * contract returns false). Tokens that return no value (and instead revert or\\n * throw on failure) are also supported, non-reverting calls are assumed to be\\n * successful.\\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\\n */\\nlibrary SafeERC20 {\\n using Address for address;\\n\\n function safeTransfer(\\n IERC20 token,\\n address to,\\n uint256 value\\n ) internal {\\n _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\\n }\\n\\n function safeTransferFrom(\\n IERC20 token,\\n address from,\\n address to,\\n uint256 value\\n ) internal {\\n _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\\n }\\n\\n /**\\n * @dev Deprecated. This function has issues similar to the ones found in\\n * {IERC20-approve}, and its usage is discouraged.\\n *\\n * Whenever possible, use {safeIncreaseAllowance} and\\n * {safeDecreaseAllowance} instead.\\n */\\n function safeApprove(\\n IERC20 token,\\n address spender,\\n uint256 value\\n ) internal {\\n // safeApprove should only be called when setting an initial allowance,\\n // or when resetting it to zero. To increase and decrease it, use\\n // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\\n require(\\n (value == 0) || (token.allowance(address(this), spender) == 0),\\n \\\"SafeERC20: approve from non-zero to non-zero allowance\\\"\\n );\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\\n }\\n\\n function safeIncreaseAllowance(\\n IERC20 token,\\n address spender,\\n uint256 value\\n ) internal {\\n uint256 newAllowance = token.allowance(address(this), spender) + value;\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n }\\n\\n function safeDecreaseAllowance(\\n IERC20 token,\\n address spender,\\n uint256 value\\n ) internal {\\n unchecked {\\n uint256 oldAllowance = token.allowance(address(this), spender);\\n require(oldAllowance >= value, \\\"SafeERC20: decreased allowance below zero\\\");\\n uint256 newAllowance = oldAllowance - value;\\n _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));\\n }\\n }\\n\\n /**\\n * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\\n * on the return value: the return value is optional (but if data is returned, it must not be false).\\n * @param token The token targeted by the call.\\n * @param data The call data (encoded using abi.encode or one of its variants).\\n */\\n function _callOptionalReturn(IERC20 token, bytes memory data) private {\\n // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\\n // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that\\n // the target address contains contract code and also asserts for success in the low-level call.\\n\\n bytes memory returndata = address(token).functionCall(data, \\\"SafeERC20: low-level call failed\\\");\\n if (returndata.length > 0) {\\n // Return data is optional\\n require(abi.decode(returndata, (bool)), \\\"SafeERC20: ERC20 operation did not succeed\\\");\\n }\\n }\\n}\\n\",\"keccak256\":\"0xc3d946432c0ddbb1f846a0d3985be71299df331b91d06732152117f62f0be2b5\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC721/IERC721.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../../utils/introspection/IERC165.sol\\\";\\n\\n/**\\n * @dev Required interface of an ERC721 compliant contract.\\n */\\ninterface IERC721 is IERC165 {\\n /**\\n * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\\n */\\n event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\\n\\n /**\\n * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\\n */\\n event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\\n\\n /**\\n * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\\n */\\n event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\\n\\n /**\\n * @dev Returns the number of tokens in ``owner``'s account.\\n */\\n function balanceOf(address owner) external view returns (uint256 balance);\\n\\n /**\\n * @dev Returns the owner of the `tokenId` token.\\n *\\n * Requirements:\\n *\\n * - `tokenId` must exist.\\n */\\n function ownerOf(uint256 tokenId) external view returns (address owner);\\n\\n /**\\n * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\\n * are aware of the ERC721 protocol to prevent tokens from being forever locked.\\n *\\n * Requirements:\\n *\\n * - `from` cannot be the zero address.\\n * - `to` cannot be the zero address.\\n * - `tokenId` token must exist and be owned by `from`.\\n * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.\\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\\n *\\n * Emits a {Transfer} event.\\n */\\n function safeTransferFrom(\\n address from,\\n address to,\\n uint256 tokenId\\n ) external;\\n\\n /**\\n * @dev Transfers `tokenId` token from `from` to `to`.\\n *\\n * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\\n *\\n * Requirements:\\n *\\n * - `from` cannot be the zero address.\\n * - `to` cannot be the zero address.\\n * - `tokenId` token must be owned by `from`.\\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\\n *\\n * Emits a {Transfer} event.\\n */\\n function transferFrom(\\n address from,\\n address to,\\n uint256 tokenId\\n ) external;\\n\\n /**\\n * @dev Gives permission to `to` to transfer `tokenId` token to another account.\\n * The approval is cleared when the token is transferred.\\n *\\n * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\\n *\\n * Requirements:\\n *\\n * - The caller must own the token or be an approved operator.\\n * - `tokenId` must exist.\\n *\\n * Emits an {Approval} event.\\n */\\n function approve(address to, uint256 tokenId) external;\\n\\n /**\\n * @dev Returns the account approved for `tokenId` token.\\n *\\n * Requirements:\\n *\\n * - `tokenId` must exist.\\n */\\n function getApproved(uint256 tokenId) external view returns (address operator);\\n\\n /**\\n * @dev Approve or remove `operator` as an operator for the caller.\\n * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\\n *\\n * Requirements:\\n *\\n * - The `operator` cannot be the caller.\\n *\\n * Emits an {ApprovalForAll} event.\\n */\\n function setApprovalForAll(address operator, bool _approved) external;\\n\\n /**\\n * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\\n *\\n * See {setApprovalForAll}\\n */\\n function isApprovedForAll(address owner, address operator) external view returns (bool);\\n\\n /**\\n * @dev Safely transfers `tokenId` token from `from` to `to`.\\n *\\n * Requirements:\\n *\\n * - `from` cannot be the zero address.\\n * - `to` cannot be the zero address.\\n * - `tokenId` token must exist and be owned by `from`.\\n * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\\n * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\\n *\\n * Emits a {Transfer} event.\\n */\\n function safeTransferFrom(\\n address from,\\n address to,\\n uint256 tokenId,\\n bytes calldata data\\n ) external;\\n}\\n\",\"keccak256\":\"0x516a22876c1fab47f49b1bc22b4614491cd05338af8bd2e7b382da090a079990\",\"license\":\"MIT\"},\"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../IERC721.sol\\\";\\n\\n/**\\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\\n * @dev See https://eips.ethereum.org/EIPS/eip-721\\n */\\ninterface IERC721Metadata is IERC721 {\\n /**\\n * @dev Returns the token collection name.\\n */\\n function name() external view returns (string memory);\\n\\n /**\\n * @dev Returns the token collection symbol.\\n */\\n function symbol() external view returns (string memory);\\n\\n /**\\n * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\\n */\\n function tokenURI(uint256 tokenId) external view returns (string memory);\\n}\\n\",\"keccak256\":\"0x75b829ff2f26c14355d1cba20e16fe7b29ca58eb5fef665ede48bc0f9c6c74b9\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Address.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)\\n\\npragma solidity ^0.8.1;\\n\\n/**\\n * @dev Collection of functions related to the address type\\n */\\nlibrary Address {\\n /**\\n * @dev Returns true if `account` is a contract.\\n *\\n * [IMPORTANT]\\n * ====\\n * It is unsafe to assume that an address for which this function returns\\n * false is an externally-owned account (EOA) and not a contract.\\n *\\n * Among others, `isContract` will return false for the following\\n * types of addresses:\\n *\\n * - an externally-owned account\\n * - a contract in construction\\n * - an address where a contract will be created\\n * - an address where a contract lived, but was destroyed\\n * ====\\n *\\n * [IMPORTANT]\\n * ====\\n * You shouldn't rely on `isContract` to protect against flash loan attacks!\\n *\\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\\n * constructor.\\n * ====\\n */\\n function isContract(address account) internal view returns (bool) {\\n // This method relies on extcodesize/address.code.length, which returns 0\\n // for contracts in construction, since the code is only stored at the end\\n // of the constructor execution.\\n\\n return account.code.length > 0;\\n }\\n\\n /**\\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\\n * `recipient`, forwarding all available gas and reverting on errors.\\n *\\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\\n * imposed by `transfer`, making them unable to receive funds via\\n * `transfer`. {sendValue} removes this limitation.\\n *\\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\\n *\\n * IMPORTANT: because control is transferred to `recipient`, care must be\\n * taken to not create reentrancy vulnerabilities. Consider using\\n * {ReentrancyGuard} or the\\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\\n */\\n function sendValue(address payable recipient, uint256 amount) internal {\\n require(address(this).balance >= amount, \\\"Address: insufficient balance\\\");\\n\\n (bool success, ) = recipient.call{value: amount}(\\\"\\\");\\n require(success, \\\"Address: unable to send value, recipient may have reverted\\\");\\n }\\n\\n /**\\n * @dev Performs a Solidity function call using a low level `call`. A\\n * plain `call` is an unsafe replacement for a function call: use this\\n * function instead.\\n *\\n * If `target` reverts with a revert reason, it is bubbled up by this\\n * function (like regular Solidity function calls).\\n *\\n * Returns the raw returned data. To convert to the expected return value,\\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\\n *\\n * Requirements:\\n *\\n * - `target` must be a contract.\\n * - calling `target` with `data` must not revert.\\n *\\n * _Available since v3.1._\\n */\\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\\n return functionCall(target, data, \\\"Address: low-level call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\\n * `errorMessage` as a fallback revert reason when `target` reverts.\\n *\\n * _Available since v3.1._\\n */\\n function functionCall(\\n address target,\\n bytes memory data,\\n string memory errorMessage\\n ) internal returns (bytes memory) {\\n return functionCallWithValue(target, data, 0, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but also transferring `value` wei to `target`.\\n *\\n * Requirements:\\n *\\n * - the calling contract must have an ETH balance of at least `value`.\\n * - the called Solidity function must be `payable`.\\n *\\n * _Available since v3.1._\\n */\\n function functionCallWithValue(\\n address target,\\n bytes memory data,\\n uint256 value\\n ) internal returns (bytes memory) {\\n return functionCallWithValue(target, data, value, \\\"Address: low-level call with value failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\\n * with `errorMessage` as a fallback revert reason when `target` reverts.\\n *\\n * _Available since v3.1._\\n */\\n function functionCallWithValue(\\n address target,\\n bytes memory data,\\n uint256 value,\\n string memory errorMessage\\n ) internal returns (bytes memory) {\\n require(address(this).balance >= value, \\\"Address: insufficient balance for call\\\");\\n require(isContract(target), \\\"Address: call to non-contract\\\");\\n\\n (bool success, bytes memory returndata) = target.call{value: value}(data);\\n return verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but performing a static call.\\n *\\n * _Available since v3.3._\\n */\\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\\n return functionStaticCall(target, data, \\\"Address: low-level static call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n * but performing a static call.\\n *\\n * _Available since v3.3._\\n */\\n function functionStaticCall(\\n address target,\\n bytes memory data,\\n string memory errorMessage\\n ) internal view returns (bytes memory) {\\n require(isContract(target), \\\"Address: static call to non-contract\\\");\\n\\n (bool success, bytes memory returndata) = target.staticcall(data);\\n return verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\\n * but performing a delegate call.\\n *\\n * _Available since v3.4._\\n */\\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\\n return functionDelegateCall(target, data, \\\"Address: low-level delegate call failed\\\");\\n }\\n\\n /**\\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\\n * but performing a delegate call.\\n *\\n * _Available since v3.4._\\n */\\n function functionDelegateCall(\\n address target,\\n bytes memory data,\\n string memory errorMessage\\n ) internal returns (bytes memory) {\\n require(isContract(target), \\\"Address: delegate call to non-contract\\\");\\n\\n (bool success, bytes memory returndata) = target.delegatecall(data);\\n return verifyCallResult(success, returndata, errorMessage);\\n }\\n\\n /**\\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\\n * revert reason using the provided one.\\n *\\n * _Available since v4.3._\\n */\\n function verifyCallResult(\\n bool success,\\n bytes memory returndata,\\n string memory errorMessage\\n ) internal pure returns (bytes memory) {\\n if (success) {\\n return returndata;\\n } else {\\n // Look for revert reason and bubble it up if present\\n if (returndata.length > 0) {\\n // The easiest way to bubble the revert reason is using memory via assembly\\n\\n assembly {\\n let returndata_size := mload(returndata)\\n revert(add(32, returndata), returndata_size)\\n }\\n } else {\\n revert(errorMessage);\\n }\\n }\\n }\\n}\\n\",\"keccak256\":\"0x2ccf9d2313a313d41a791505f2b5abfdc62191b5d4334f7f7a82691c088a1c87\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Context.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Provides information about the current execution context, including the\\n * sender of the transaction and its data. While these are generally available\\n * via msg.sender and msg.data, they should not be accessed in such a direct\\n * manner, since when dealing with meta-transactions the account sending and\\n * paying for execution may not be the actual sender (as far as an application\\n * is concerned).\\n *\\n * This contract is only required for intermediate, library-like contracts.\\n */\\nabstract contract Context {\\n function _msgSender() internal view virtual returns (address) {\\n return msg.sender;\\n }\\n\\n function _msgData() internal view virtual returns (bytes calldata) {\\n return msg.data;\\n }\\n}\\n\",\"keccak256\":\"0xe2e337e6dde9ef6b680e07338c493ebea1b5fd09b43424112868e9cc1706bca7\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Strings.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev String operations.\\n */\\nlibrary Strings {\\n bytes16 private constant _HEX_SYMBOLS = \\\"0123456789abcdef\\\";\\n\\n /**\\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\\n */\\n function toString(uint256 value) internal pure returns (string memory) {\\n // Inspired by OraclizeAPI's implementation - MIT licence\\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\\n\\n if (value == 0) {\\n return \\\"0\\\";\\n }\\n uint256 temp = value;\\n uint256 digits;\\n while (temp != 0) {\\n digits++;\\n temp /= 10;\\n }\\n bytes memory buffer = new bytes(digits);\\n while (value != 0) {\\n digits -= 1;\\n buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\\n value /= 10;\\n }\\n return string(buffer);\\n }\\n\\n /**\\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\\n */\\n function toHexString(uint256 value) internal pure returns (string memory) {\\n if (value == 0) {\\n return \\\"0x00\\\";\\n }\\n uint256 temp = value;\\n uint256 length = 0;\\n while (temp != 0) {\\n length++;\\n temp >>= 8;\\n }\\n return toHexString(value, length);\\n }\\n\\n /**\\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\\n */\\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\\n bytes memory buffer = new bytes(2 * length + 2);\\n buffer[0] = \\\"0\\\";\\n buffer[1] = \\\"x\\\";\\n for (uint256 i = 2 * length + 1; i > 1; --i) {\\n buffer[i] = _HEX_SYMBOLS[value & 0xf];\\n value >>= 4;\\n }\\n require(value == 0, \\\"Strings: hex length insufficient\\\");\\n return string(buffer);\\n }\\n}\\n\",\"keccak256\":\"0x32c202bd28995dd20c4347b7c6467a6d3241c74c8ad3edcbb610cd9205916c45\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/cryptography/ECDSA.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../Strings.sol\\\";\\n\\n/**\\n * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.\\n *\\n * These functions can be used to verify that a message was signed by the holder\\n * of the private keys of a given address.\\n */\\nlibrary ECDSA {\\n enum RecoverError {\\n NoError,\\n InvalidSignature,\\n InvalidSignatureLength,\\n InvalidSignatureS,\\n InvalidSignatureV\\n }\\n\\n function _throwError(RecoverError error)