Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/access/Ownable.sol";

import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";

   interface iAllowList {
    function isAllowed(address address_, uint8 amount, bytes32[] memory proof_)
        external
        view
        returns (bool);
}
contract CCPS is Ownable, iAllowList {

bytes32 public merkleRoot = 0xe241e9c537356e29fd3030655e55d5902204b94d90931d9acbbde3a620532b09;
    
function isAllowed(address sender, uint8 amount, bytes32[] memory proof) external override view returns(bool) {
        bytes32 leaf = keccak256(abi.encodePacked(sender, amount));
        return MerkleProof.verify(proof, merkleRoot, leaf);
    }

function setMerkleRoot(bytes32 _merkleRoot) public onlyOwner {
        merkleRoot = _merkleRoot;
    }

}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Trees proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merklee tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];
            if (computedHash <= proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
            }
        }
        return computedHash;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 12000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint8","name":"amount","type":"uint8"},{"internalType":"bytes32[]","name":"proof","type":"bytes32[]"}],"name":"isAllowed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"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":"renounceOwnership","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"}]

60806040527fe241e9c537356e29fd3030655e55d5902204b94d90931d9acbbde3a620532b0960015534801561003457600080fd5b5061003e33610043565b610093565b600080546001600160a01b038381166001600160a01b0319831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b610772806100a26000396000f3fe608060405234801561001057600080fd5b50600436106100725760003560e01c80637cb64759116100505780637cb64759146100c05780638da5cb5b146100d3578063f2fde38b146100fb57600080fd5b80632eb4a7ab1461007757806357d1c3b414610093578063715018a6146100b6575b600080fd5b61008060015481565b6040519081526020015b60405180910390f35b6100a66100a136600461058f565b61010e565b604051901515815260200161008a565b6100be61019f565b005b6100be6100ce366004610697565b610231565b60005460405173ffffffffffffffffffffffffffffffffffffffff909116815260200161008a565b6100be61010936600461056e565b6102b7565b6040517fffffffffffffffffffffffffffffffffffffffff000000000000000000000000606085901b1660208201527fff0000000000000000000000000000000000000000000000000000000000000060f884901b166034820152600090819060350160405160208183030381529060405280519060200120905061019683600154836103e7565b95945050505050565b60005473ffffffffffffffffffffffffffffffffffffffff163314610225576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657260448201526064015b60405180910390fd5b61022f60006103fd565b565b60005473ffffffffffffffffffffffffffffffffffffffff1633146102b2576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015260640161021c565b600155565b60005473ffffffffffffffffffffffffffffffffffffffff163314610338576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015260640161021c565b73ffffffffffffffffffffffffffffffffffffffff81166103db576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201527f6464726573730000000000000000000000000000000000000000000000000000606482015260840161021c565b6103e4816103fd565b50565b6000826103f48584610472565b14949350505050565b6000805473ffffffffffffffffffffffffffffffffffffffff8381167fffffffffffffffffffffffff0000000000000000000000000000000000000000831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b600081815b845181101561053d5760008582815181106104bb577f4e487b7100000000000000000000000000000000000000000000000000000000600052603260045260246000fd5b602002602001015190508083116104fd57604080516020810185905290810182905260600160405160208183030381529060405280519060200120925061052a565b60408051602081018390529081018490526060016040516020818303038152906040528051906020012092505b5080610535816106af565b915050610477565b509392505050565b803573ffffffffffffffffffffffffffffffffffffffff8116811461056957600080fd5b919050565b60006020828403121561057f578081fd5b61058882610545565b9392505050565b6000806000606084860312156105a3578182fd5b6105ac84610545565b925060208085013560ff811681146105c2578384fd5b9250604085013567ffffffffffffffff808211156105de578384fd5b818701915087601f8301126105f1578384fd5b8135818111156106035761060361070d565b8060051b6040517fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0603f830116810181811085821117156106465761064661070d565b604052828152858101935084860182860187018c1015610664578788fd5b8795505b83861015610686578035855260019590950194938601938601610668565b508096505050505050509250925092565b6000602082840312156106a8578081fd5b5035919050565b60007fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff821415610706577f4e487b710000000000000000000000000000000000000000000000000000000081526011600452602481fd5b5060010190565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fdfea2646970667358221220accf875ade3730ae55850ba1e0d76052b633f1c7819a5ade39f4d1417f0c52bc64736f6c63430008040033

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