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0x1c9b6ae796cfaf7dd808abe0133ecd11f9e2f9a867beca8569d361ca43e8ac62 | Claim Airdrop | (pending) | 14 hrs ago | IN | 0 ETH | (Pending) | |||
0x364a2ce8aae9803bbc528b0dc8985058d6ab206ba86e9b97130b4d99adf8b3ad | Claim Airdrop | (pending) | 14 hrs ago | IN | 0 ETH | (Pending) | |||
0x18019a74ea327ab7b102e64948d4c70cb9a1f801bfefff009cfa982b490b8368 | Claim Airdrop | (pending) | 20 hrs ago | IN | 0 ETH | (Pending) | |||
0x005962083f1858916f4ce5d13184e5d70bf3bed05f91c31043d904239eaf01ee | Claim Airdrop | (pending) | 25 hrs ago | IN | 0 ETH | (Pending) | |||
0xc1f5a1557ed84a4171239d66944ade0b191bc6ac32df835c1028d2ed1920483d | Claim Airdrop | (pending) | 29 hrs ago | IN | 0 ETH | (Pending) | |||
0xd1bd8b2ca5eff1b26457b1107796931348db0a60d1b577b970021abb98e95a72 | Claim Airdrop | (pending) | 31 hrs ago | IN | 0 ETH | (Pending) | |||
0x34f8226efbe23795201b505597f82ceb1577e76a1568659e34fa42439b98ca82 | Claim Airdrop | (pending) | 32 hrs ago | IN | 0 ETH | (Pending) | |||
0x711c4ef3421b83f0daa6b3332822e97eeca982d7ac3e414bbfaee4b3621b57d7 | Claim Airdrop | (pending) | 32 hrs ago | IN | 0 ETH | (Pending) | |||
0xbe78f497ad11bd7822693b902eb36085e87aef280f3004219cb9bb2da974d0d0 | Claim Airdrop | (pending) | 32 hrs ago | IN | 0 ETH | (Pending) | |||
Claim Airdrop | 21433018 | 8 secs ago | IN | 0 ETH | 0.00123592 | ||||
Claim Airdrop | 21433014 | 56 secs ago | IN | 0 ETH | 0.00129352 | ||||
Claim Airdrop | 21432993 | 5 mins ago | IN | 0 ETH | 0.00137655 | ||||
Claim Airdrop | 21432991 | 5 mins ago | IN | 0 ETH | 0.001171 | ||||
Claim Airdrop | 21432967 | 10 mins ago | IN | 0 ETH | 0.00205898 | ||||
Claim Airdrop | 21432906 | 22 mins ago | IN | 0 ETH | 0.00272057 | ||||
Claim Airdrop | 21432879 | 27 mins ago | IN | 0 ETH | 0.00069413 | ||||
Claim Airdrop | 21432872 | 29 mins ago | IN | 0 ETH | 0.00249591 | ||||
Claim Airdrop | 21432863 | 31 mins ago | IN | 0 ETH | 0.00155698 | ||||
Claim Airdrop | 21432845 | 34 mins ago | IN | 0 ETH | 0.00124225 | ||||
Claim Airdrop | 21432844 | 34 mins ago | IN | 0 ETH | 0.00144005 | ||||
Claim Airdrop | 21432783 | 47 mins ago | IN | 0 ETH | 0.0016766 | ||||
Claim Airdrop | 21432747 | 54 mins ago | IN | 0 ETH | 0.00142904 | ||||
Claim Airdrop | 21432736 | 56 mins ago | IN | 0 ETH | 0.00129527 | ||||
Claim Airdrop | 21432731 | 57 mins ago | IN | 0 ETH | 0.00142657 | ||||
Claim Airdrop | 21432719 | 1 hr ago | IN | 0 ETH | 0.00157093 |
Latest 1 internal transaction
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21416747 | 2 days ago | Contract Creation | 0 ETH |
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Contract Source Code Verified (Exact Match)
Contract Name:
NiftyIslandAirdrop
Compiler Version
v0.8.24+commit.e11b9ed9
Optimization Enabled:
No with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; import {ReentrancyGuard} from "@openzeppelin/contracts/utils/ReentrancyGuard.sol"; import {Pausable} from "@openzeppelin/contracts/utils/Pausable.sol"; import {Ownable2Step, Ownable} from "@openzeppelin/contracts/access/Ownable2Step.sol"; import {MerkleProof} from "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol"; import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import {INiftyIslandAirdrop} from "./interfaces/INiftyIslandAirdrop.sol"; import {INiftyIslandStaking} from "./interfaces/INiftyIslandStaking.sol"; contract NiftyIslandAirdrop is Pausable, ReentrancyGuard, Ownable2Step, INiftyIslandAirdrop { IERC20 public immutable ISLAND_TOKEN; address public islandStakingAddress; bytes32 public merkleRoot; mapping(uint256 userId => bool status) public airdropClaimedStatusByUserId; constructor( address _multisigAddress, address _islandTokenAddress, address _islandStakingAddress, bytes32 _merkleRoot ) Ownable(_multisigAddress) { if (_islandTokenAddress == address(0) || _islandStakingAddress == address(0)) { revert ZeroAddressNotAllowed(); } ISLAND_TOKEN = IERC20(_islandTokenAddress); _setIslandStakingAddress(_islandStakingAddress, false); _setMerkleRoot(_merkleRoot); } function depositNiftyIslandAirdrop(uint256 amount) external nonReentrant onlyOwner { if (amount == 0) { revert AirdropDepositAmountZero(); } SafeERC20.safeTransferFrom(ISLAND_TOKEN, msg.sender, address(this), amount); bool grantApprovalSuccess = ISLAND_TOKEN.approve(islandStakingAddress, ISLAND_TOKEN.balanceOf(address(this))); if (!grantApprovalSuccess) { revert ApprovalFailure(islandStakingAddress, amount); } emit NiftyIslandAirdropDeposited(msg.sender, amount); } function withdrawNiftyIslandAirdrop() external nonReentrant onlyOwner { uint256 balance = ISLAND_TOKEN.balanceOf(address(this)); bool revokeApprovalSuccess = ISLAND_TOKEN.approve(islandStakingAddress, 0); if (!revokeApprovalSuccess) { revert ApprovalFailure(islandStakingAddress, 0); } SafeERC20.safeTransfer(ISLAND_TOKEN, msg.sender, balance); emit NiftyIslandAirdropWithdrawn(msg.sender, balance); } function getClaimHash(address account, uint256 userId, uint256 amount) private pure returns (bytes32) { return keccak256(bytes.concat(keccak256(abi.encode(account, userId, amount)))); } function claimAirdrop( uint256 airdropAmount, uint256 stakeAmount, uint256 userId, bytes32[] calldata proof ) external nonReentrant whenNotPaused { if (stakeAmount > airdropAmount) { revert InvalidStakeAmount(); } _processAirdropClaim(airdropAmount, userId, proof); if (stakeAmount > 0) { INiftyIslandStaking(islandStakingAddress).stakeNiftyIslandToken(msg.sender, stakeAmount); } uint256 claimAmount = airdropAmount - stakeAmount; if (claimAmount > 0) { SafeERC20.safeTransfer(ISLAND_TOKEN, msg.sender, claimAmount); } emit AirdropClaimed(msg.sender, userId, claimAmount, stakeAmount); } function _processAirdropClaim(uint256 amount, uint256 userId, bytes32[] calldata proof) private { _validateMerkleProof(amount, userId, proof); if (airdropClaimedStatusByUserId[userId]) { revert AirdropAlreadyClaimed(); } airdropClaimedStatusByUserId[userId] = true; } function _validateMerkleProof(uint256 amount, uint256 userId, bytes32[] calldata proof) private view { bool isValidProof = MerkleProof.verify(proof, merkleRoot, getClaimHash(msg.sender, userId, amount)); if (!isValidProof) { revert InvalidAirdropClaimProof(); } } /** * @dev Allows the owner to modify the the merkle root. */ function setMerkleRoot(bytes32 _merkleRoot) external onlyOwner { _setMerkleRoot(_merkleRoot); } /** * @dev Allows the owner to modify the island staking contract address. */ function setIslandStakingAddress(address _islandStakingAddress) external nonReentrant onlyOwner { _setIslandStakingAddress(_islandStakingAddress, true); } function _setMerkleRoot(bytes32 _merkleRoot) private { if (merkleRoot == _merkleRoot) { revert StateUnchanged(); } merkleRoot = _merkleRoot; emit NewMerkleRoot(_merkleRoot); } function _setIslandStakingAddress(address _islandStakingAddress, bool setApproval) private { if (islandStakingAddress == _islandStakingAddress) { revert StateUnchanged(); } if (_islandStakingAddress == address(0)) { revert ZeroAddressNotAllowed(); } address oldIslandStakingAddress = islandStakingAddress; islandStakingAddress = _islandStakingAddress; emit NewIslandStakingAddress(_islandStakingAddress); if (setApproval) { // Revoke approval from the old islandStakingAddress bool revokeApprovalSuccess = ISLAND_TOKEN.approve(oldIslandStakingAddress, 0); if (!revokeApprovalSuccess) { revert ApprovalFailure(oldIslandStakingAddress, 0); } // Grant approval to the new islandStakingAddress uint256 balance = ISLAND_TOKEN.balanceOf(address(this)); bool grantApprovalSuccess = ISLAND_TOKEN.approve(islandStakingAddress, balance); if (!grantApprovalSuccess) { revert ApprovalFailure(islandStakingAddress, balance); } } } function pause() external onlyOwner { _pause(); } function unpause() external onlyOwner { _unpause(); } function renounceOwnership() public view override onlyOwner { revert OwnerCannotRenounceOwnership(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../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. * * The initial owner is set to the address provided by the deployer. 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; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling 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 { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _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 v5.0.0) (access/Ownable2Step.sol) pragma solidity ^0.8.20; import {Ownable} from "./Ownable.sol"; /** * @dev Contract module which provides access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is specified at deployment time in the constructor for `Ownable`. This * can later be changed with {transferOwnership} and {acceptOwnership}. * * This module is used through inheritance. It will make available all functions * from parent (Ownable). */ abstract contract Ownable2Step is Ownable { address private _pendingOwner; event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner); /** * @dev Returns the address of the pending owner. */ function pendingOwner() public view virtual returns (address) { return _pendingOwner; } /** * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual override onlyOwner { _pendingOwner = newOwner; emit OwnershipTransferStarted(owner(), newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner. * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual override { delete _pendingOwner; super._transferOwnership(newOwner); } /** * @dev The new owner accepts the ownership transfer. */ function acceptOwnership() public virtual { address sender = _msgSender(); if (pendingOwner() != sender) { revert OwnableUnauthorizedAccount(sender); } _transferOwnership(sender); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. * * ==== Security Considerations * * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be * considered as an intention to spend the allowance in any specific way. The second is that because permits have * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be * generally recommended is: * * ```solidity * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public { * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {} * doThing(..., value); * } * * function doThing(..., uint256 value) public { * token.safeTransferFrom(msg.sender, address(this), value); * ... * } * ``` * * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also * {SafeERC20-safeTransferFrom}). * * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so * contracts should have entry points that don't rely on permit. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. * * CAUTION: See Security Considerations above. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the value of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the value of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves a `value` amount of tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 value) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets a `value` amount of tokens as the allowance of `spender` over the * caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the * allowance mechanism. `value` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "../IERC20.sol"; import {IERC20Permit} from "../extensions/IERC20Permit.sol"; import {Address} from "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; /** * @dev An operation with an ERC20 token failed. */ error SafeERC20FailedOperation(address token); /** * @dev Indicates a failed `decreaseAllowance` request. */ error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease); /** * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value))); } /** * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. */ function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value))); } /** * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 oldAllowance = token.allowance(address(this), spender); forceApprove(token, spender, oldAllowance + value); } /** * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no * value, non-reverting calls are assumed to be successful. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal { unchecked { uint256 currentAllowance = token.allowance(address(this), spender); if (currentAllowance < requestedDecrease) { revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease); } forceApprove(token, spender, currentAllowance - requestedDecrease); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval * to be set to zero before setting it to a non-zero value, such as USDT. */ function forceApprove(IERC20 token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value)); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0))); _callOptionalReturn(token, approvalCall); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data); if (returndata.length != 0 && !abi.decode(returndata, (bool))) { revert SafeERC20FailedOperation(address(token)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). * * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead. */ function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false // and not revert is the subcall reverts. (bool success, bytes memory returndata) = address(token).call(data); return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol) pragma solidity ^0.8.20; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev The ETH balance of the account is not enough to perform the operation. */ error AddressInsufficientBalance(address account); /** * @dev There's no code at `target` (it is not a contract). */ error AddressEmptyCode(address target); /** * @dev A call to an address target failed. The target may have reverted. */ error FailedInnerCall(); /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { if (address(this).balance < amount) { revert AddressInsufficientBalance(address(this)); } (bool success, ) = recipient.call{value: amount}(""); if (!success) { revert FailedInnerCall(); } } /** * @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 or custom error, it is bubbled * up by this function (like regular Solidity function calls). However, if * the call reverted with no returned reason, this function reverts with a * {FailedInnerCall} error. * * 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. */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCallWithValue(target, data, 0); } /** * @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`. */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { if (address(this).balance < value) { revert AddressInsufficientBalance(address(this)); } (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResultFromTarget(target, success, returndata); } /** * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an * unsuccessful call. */ function verifyCallResultFromTarget( address target, bool success, bytes memory returndata ) internal view returns (bytes memory) { if (!success) { _revert(returndata); } else { // only check if target is a contract if the call was successful and the return data is empty // otherwise we already know that it was a contract if (returndata.length == 0 && target.code.length == 0) { revert AddressEmptyCode(target); } return returndata; } } /** * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the * revert reason or with a default {FailedInnerCall} error. */ function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) { if (!success) { _revert(returndata); } else { return returndata; } } /** * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}. */ function _revert(bytes memory returndata) private pure { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert FailedInnerCall(); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @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; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MerkleProof.sol) pragma solidity ^0.8.20; /** * @dev These functions deal with verification of Merkle Tree proofs. * * The tree and the proofs can be generated using our * https://github.com/OpenZeppelin/merkle-tree[JavaScript library]. * You will find a quickstart guide in the readme. * * 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. * OpenZeppelin's JavaScript library generates Merkle trees that are safe * against this attack out of the box. */ library MerkleProof { /** *@dev The multiproof provided is not valid. */ error MerkleProofInvalidMultiproof(); /** * @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 Calldata version of {verify} */ function verifyCalldata(bytes32[] calldata proof, bytes32 root, bytes32 leaf) internal pure returns (bool) { return processProofCalldata(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. */ function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Calldata version of {processProof} */ function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) { bytes32 computedHash = leaf; for (uint256 i = 0; i < proof.length; i++) { computedHash = _hashPair(computedHash, proof[i]); } return computedHash; } /** * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a Merkle tree defined by * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}. * * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details. */ function multiProofVerify( bytes32[] memory proof, bool[] memory proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProof(proof, proofFlags, leaves) == root; } /** * @dev Calldata version of {multiProofVerify} * * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details. */ function multiProofVerifyCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32 root, bytes32[] memory leaves ) internal pure returns (bool) { return processMultiProofCalldata(proof, proofFlags, leaves) == root; } /** * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false * respectively. * * CAUTION: Not all Merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer). */ function processMultiProof( bytes32[] memory proof, bool[] memory proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the Merkle tree. uint256 leavesLen = leaves.length; uint256 proofLen = proof.length; uint256 totalHashes = proofFlags.length; // Check proof validity. if (leavesLen + proofLen != totalHashes + 1) { revert MerkleProofInvalidMultiproof(); } // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]) : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { if (proofPos != proofLen) { revert MerkleProofInvalidMultiproof(); } unchecked { return hashes[totalHashes - 1]; } } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Calldata version of {processMultiProof}. * * CAUTION: Not all Merkle trees admit multiproofs. See {processMultiProof} for details. */ function processMultiProofCalldata( bytes32[] calldata proof, bool[] calldata proofFlags, bytes32[] memory leaves ) internal pure returns (bytes32 merkleRoot) { // This function rebuilds the root hash by traversing the tree up from the leaves. The root is rebuilt by // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of // the Merkle tree. uint256 leavesLen = leaves.length; uint256 proofLen = proof.length; uint256 totalHashes = proofFlags.length; // Check proof validity. if (leavesLen + proofLen != totalHashes + 1) { revert MerkleProofInvalidMultiproof(); } // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop". bytes32[] memory hashes = new bytes32[](totalHashes); uint256 leafPos = 0; uint256 hashPos = 0; uint256 proofPos = 0; // At each step, we compute the next hash using two values: // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we // get the next hash. // - depending on the flag, either another value from the "main queue" (merging branches) or an element from the // `proof` array. for (uint256 i = 0; i < totalHashes; i++) { bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]; bytes32 b = proofFlags[i] ? (leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++]) : proof[proofPos++]; hashes[i] = _hashPair(a, b); } if (totalHashes > 0) { if (proofPos != proofLen) { revert MerkleProofInvalidMultiproof(); } unchecked { return hashes[totalHashes - 1]; } } else if (leavesLen > 0) { return leaves[0]; } else { return proof[0]; } } /** * @dev Sorts the pair (a, b) and hashes the result. */ function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) { return a < b ? _efficientHash(a, b) : _efficientHash(b, a); } /** * @dev Implementation of keccak256(abi.encode(a, b)) that doesn't allocate or expand memory. */ function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) { /// @solidity memory-safe-assembly assembly { mstore(0x00, a) mstore(0x20, b) value := keccak256(0x00, 0x40) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Pausable.sol) pragma solidity ^0.8.20; import {Context} from "../utils/Context.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract Pausable is Context { bool private _paused; /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); /** * @dev The operation failed because the contract is paused. */ error EnforcedPause(); /** * @dev The operation failed because the contract is not paused. */ error ExpectedPause(); /** * @dev Initializes the contract in unpaused state. */ constructor() { _paused = false; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { _requireNotPaused(); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { _requirePaused(); _; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Throws if the contract is paused. */ function _requireNotPaused() internal view virtual { if (paused()) { revert EnforcedPause(); } } /** * @dev Throws if the contract is not paused. */ function _requirePaused() internal view virtual { if (!paused()) { revert ExpectedPause(); } } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/ReentrancyGuard.sol) pragma solidity ^0.8.20; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant NOT_ENTERED = 1; uint256 private constant ENTERED = 2; uint256 private _status; /** * @dev Unauthorized reentrant call. */ error ReentrancyGuardReentrantCall(); constructor() { _status = NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be NOT_ENTERED if (_status == ENTERED) { revert ReentrancyGuardReentrantCall(); } // Any calls to nonReentrant after this point will fail _status = ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = NOT_ENTERED; } /** * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a * `nonReentrant` function in the call stack. */ function _reentrancyGuardEntered() internal view returns (bool) { return _status == ENTERED; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; interface INiftyIslandAirdrop { /** * @dev Revert with an error when the caller has already claimed their airdrop. */ error AirdropAlreadyClaimed(); /** * @dev Revert with an error when the airdrop deposit amount is zero. */ error AirdropDepositAmountZero(); /** * @dev Revert with an error when the airdrop claim proof is invalid. */ error InvalidAirdropClaimProof(); /** * @dev Revert with an error when the stake amount is invalid. */ error InvalidStakeAmount(); /** * @dev Revert with an error if the owner attempts to renounce their ownership. */ error OwnerCannotRenounceOwnership(); /** * @dev Revert with an error when the address is the zero address. */ error ZeroAddressNotAllowed(); /** * @dev Revert with an error if the state has not been changed. */ error StateUnchanged(); /** * @dev Revert with an error if an approval fails */ error ApprovalFailure(address target, uint256 amount); /** * @dev Emitted when the claimer claims their airdrop. */ event AirdropClaimed(address indexed claimer, uint256 userId, uint256 claimAmount, uint256 stakeAmount); /** * @dev Emitted when the owner updates the merkle root. */ event NewMerkleRoot(bytes32 merkleRoot); /** * @dev Emitted when the owner updates the island staking address. */ event NewIslandStakingAddress(address islandStakingAddress); /** * @dev Emitted when the owner deposits the airdrop. */ event NiftyIslandAirdropDeposited(address indexed caller, uint256 amount); /** * @dev Emitted when the owner withdraws the airdrop. */ event NiftyIslandAirdropWithdrawn(address indexed caller, uint256 amount); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; import {ClaimRequest} from "../types/NiftyIslandStaking.sol"; interface INiftyIslandStaking { /** * @dev Stakes the specified amount of ISLAND tokens. * @param staker The address of the caller. * @param amount The amount of tokens to deposit. */ function stakeNiftyIslandToken(address staker, uint256 amount) external; /** * @dev Unstakes the specified amount of ISLAND tokens. * @param amount The amount of tokens to deposit. */ function unstakeNiftyIslandToken(uint256 amount) external; /** * @notice Allows authorized reward operators to deposit staking rewards. * @param amount The amount of Nifty Island token to deposit. */ function depositStakingRewards(uint256 amount) external; /** * @notice Allows callers with the DEFAULT_ADMIN_ROLE to withdraw staking rewards. */ function withdrawStakingRewards() external; /** * @dev Revert with an error if the staker attempts to withdraw more than their staked balance. */ error InsufficientStakingBalance(uint256 requested, uint256 available); /** * @dev Revert with an error if the amount to stake or unstake is invalid. */ error InvalidStakeAmount(); /** * @dev Revert with an error when the address is the zero address. */ error ZeroAddressNotAllowed(); /** * @dev Revert with an error if the state has not been changed. */ error StateUnchanged(); /** * @dev Revert with an error if the caller is unauthorized. */ error UnauthorizedCaller(address caller); /** * @dev Revert with an error when the claim reward request signer is unauthorized. */ error UnauthorizedSigner(address recoveredSigner); /** * @dev Revert with an error when the claimer is unauthorized. */ error UnauthorizedClaimer(address expectedAddress, address receivedAddress); /** * @dev Revert with an error when the claim id has already been used. */ error ClaimRequestUsed(uint256 claimId); /** * @dev Revert with an error when the claim request has expired. */ error ClaimRequestExpired(uint256 blockTimestamp, uint256 expiresAt); /** * @dev Revert with an error when the claim request is inactive. */ error ClaimRequestInactive(uint256 blockTimestamp, uint256 activeAt); /** * @dev Revert with an error when the deposit amount is zero. */ error DepositAmountZero(); /** * @dev Reverts if the provided platform fee is insufficient. */ error InsufficientPlatformFee(uint256 providedFee, uint256 requiredFee); /** * @dev Revert with an error if there are not enough staking rewards for a reward claim. */ error InsufficientStakingRewardSupply(uint256 requested, uint256 available); /** * @dev Revert with an error if the token transfer fails. */ error TokenTransferFailed(address token, address from, address to, uint256 tokenId, uint256 amount); /** * @dev Revert with an error if the owner attempts to renounce their ownership. */ error OwnerCannotRenounceOwnership(); /** * @dev Emitted when the staker stakes their ISLAND tokens. */ event NiftyIslandTokenStaked(address indexed staker, address operator, uint256 amount); /** * @dev Emitted when the staker unstakes their ISLAND tokens. */ event NiftyIslandTokenUnstaked(address indexed staker, uint256 amount); /** * @dev Emitted when ab authorized reward operator deposits the staking rewards. */ event StakingRewardsDeposited(address indexed staker, uint256 amount); /** * @dev Emitted when an authorized reward operator withdraws the unclaimed staking reward supply. */ event StakingRewardsWithdrawn(address indexed staker, uint256 amount); /** * @dev Emitted when a claim request has been fulfilled. */ event ClaimRequestFulfilled(address indexed to, ClaimRequest request); /** * @dev Emitted when the owner sets the claim request address. */ event NewClaimRequestSigner(address indexed claimRequestSigner); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.24; struct ClaimRequest { uint256 startTimestamp; uint256 endTimestamp; uint256 platformFee; address platformFeeRecipient; address to; uint256 claimId; uint256 amount; }
{ "evmVersion": "paris", "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
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IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"userId","type":"uint256"}],"name":"airdropClaimedStatusByUserId","outputs":[{"internalType":"bool","name":"status","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"airdropAmount","type":"uint256"},{"internalType":"uint256","name":"stakeAmount","type":"uint256"},{"internalType":"uint256","name":"userId","type":"uint256"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"claimAirdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"depositNiftyIslandAirdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"islandStakingAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_islandStakingAddress","type":"address"}],"name":"setIslandStakingAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"}],"name":"setMerkleRoot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawNiftyIslandAirdrop","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000586fbf5fadb63ba1e28f4987d7e6d6f1bfb9f490000000000000000000000000157a6df6b74f4e5e45af4e4615fde7b49225a66200000000000000000000000070c2c33eaecae0f6a0002f4b4ee2fc10aa36c1026b063ba54181ed2c694c6e82f579ad472837f653df8ee453bd4a59172b588d3b
-----Decoded View---------------
Arg [0] : _multisigAddress (address): 0x586FBF5fADB63bA1e28f4987D7e6D6F1BFB9F490
Arg [1] : _islandTokenAddress (address): 0x157a6df6B74F4E5E45af4E4615FDe7B49225a662
Arg [2] : _islandStakingAddress (address): 0x70c2c33EAEcAe0F6A0002f4B4EE2FC10AA36C102
Arg [3] : _merkleRoot (bytes32): 0x6b063ba54181ed2c694c6e82f579ad472837f653df8ee453bd4a59172b588d3b
-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000586fbf5fadb63ba1e28f4987d7e6d6f1bfb9f490
Arg [1] : 000000000000000000000000157a6df6b74f4e5e45af4e4615fde7b49225a662
Arg [2] : 00000000000000000000000070c2c33eaecae0f6a0002f4b4ee2fc10aa36c102
Arg [3] : 6b063ba54181ed2c694c6e82f579ad472837f653df8ee453bd4a59172b588d3b
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Multichain Portfolio | 30 Chains
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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.