Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.23;

import "@semaphore-protocol/contracts/interfaces/ISemaphore.sol";

contract Feedback {
    ISemaphore public semaphore;

    uint256 public groupId;

    constructor(address semaphoreAddress) {
        semaphore = ISemaphore(semaphoreAddress);

        groupId = semaphore.createGroup(address(this));
    }

    function joinGroup(uint256 identityCommitment) external {
        semaphore.addMember(groupId, identityCommitment);
    }

    function sendFeedback(
        uint256 merkleTreeDepth,
        uint256 merkleTreeRoot,
        uint256 nullifier,
        uint256 feedback,
        uint256[8] calldata points
    ) external {
        ISemaphore.SemaphoreProof memory proof = ISemaphore.SemaphoreProof(
            merkleTreeDepth,
            merkleTreeRoot,
            nullifier,
            feedback,
            groupId,
            points
        );

        semaphore.validateProof(groupId, proof);
    }
}

//SPDX-License-Identifier: MIT
pragma solidity >=0.8.23 <=0.8.28;

/// @title Semaphore contract interface.
interface ISemaphore {
    error Semaphore__GroupHasNoMembers();
    error Semaphore__MerkleTreeDepthIsNotSupported();
    error Semaphore__MerkleTreeRootIsExpired();
    error Semaphore__MerkleTreeRootIsNotPartOfTheGroup();
    error Semaphore__YouAreUsingTheSameNullifierTwice();
    error Semaphore__InvalidProof();

    /// It defines all the group parameters used by Semaphore.sol.
    struct Group {
        uint256 merkleTreeDuration;
        mapping(uint256 => uint256) merkleRootCreationDates;
        mapping(uint256 => bool) nullifiers;
    }

    /// It defines all the Semaphore proof parameters used by Semaphore.sol.
    struct SemaphoreProof {
        uint256 merkleTreeDepth;
        uint256 merkleTreeRoot;
        uint256 nullifier;
        uint256 message;
        uint256 scope;
        uint256[8] points;
    }

    /// @dev Event emitted when the Merkle tree duration of a group is updated.
    /// @param groupId: Id of the group.
    /// @param oldMerkleTreeDuration: Old Merkle tree duration of the group.
    /// @param newMerkleTreeDuration: New Merkle tree duration of the group.
    event GroupMerkleTreeDurationUpdated(
        uint256 indexed groupId,
        uint256 oldMerkleTreeDuration,
        uint256 newMerkleTreeDuration
    );

    /// @dev Event emitted when a Semaphore proof is validated.
    /// @param groupId: Id of the group.
    /// @param merkleTreeDepth: Depth of the Merkle tree.
    /// @param merkleTreeRoot: Root of the Merkle tree.
    /// @param nullifier: Nullifier.
    /// @param message: Semaphore message.
    /// @param scope: Scope.
    /// @param points: Zero-knowledge points.
    event ProofValidated(
        uint256 indexed groupId,
        uint256 merkleTreeDepth,
        uint256 indexed merkleTreeRoot,
        uint256 nullifier,
        uint256 message,
        uint256 indexed scope,
        uint256[8] points
    );

    /// @dev Returns the current value of the group counter.
    /// @return The current group counter value.
    function groupCounter() external view returns (uint256);

    /// @dev See {SemaphoreGroups-_createGroup}.
    function createGroup() external returns (uint256);

    /// @dev See {SemaphoreGroups-_createGroup}.
    function createGroup(address admin) external returns (uint256);

    /// @dev It creates a group with a custom Merkle tree duration.
    /// @param admin: Admin of the group. It can be an Ethereum account or a smart contract.
    /// @param merkleTreeDuration: Merkle tree duration.
    /// @return Id of the group.
    function createGroup(address admin, uint256 merkleTreeDuration) external returns (uint256);

    /// @dev See {SemaphoreGroups-_updateGroupAdmin}.
    function updateGroupAdmin(uint256 groupId, address newAdmin) external;

    /// @dev See {SemaphoreGroups-_acceptGroupAdmin}.
    function acceptGroupAdmin(uint256 groupId) external;

    /// @dev Updates the group Merkle tree duration.
    /// @param groupId: Id of the group.
    /// @param newMerkleTreeDuration: New Merkle tree duration.
    function updateGroupMerkleTreeDuration(uint256 groupId, uint256 newMerkleTreeDuration) external;

    /// @dev See {SemaphoreGroups-_addMember}.
    function addMember(uint256 groupId, uint256 identityCommitment) external;

    /// @dev See {SemaphoreGroups-_addMembers}.
    function addMembers(uint256 groupId, uint256[] calldata identityCommitments) external;

    /// @dev See {SemaphoreGroups-_updateMember}.
    function updateMember(
        uint256 groupId,
        uint256 oldIdentityCommitment,
        uint256 newIdentityCommitment,
        uint256[] calldata merkleProofSiblings
    ) external;

    /// @dev See {SemaphoreGroups-_removeMember}.
    function removeMember(uint256 groupId, uint256 identityCommitment, uint256[] calldata merkleProofSiblings) external;

    /// @dev Saves the nullifier hash to prevent double signaling and emits an event
    /// if the zero-knowledge proof is valid.
    /// @param groupId: Id of the group.
    /// @param proof: Semaphore zero-knowledge proof.
    function validateProof(uint256 groupId, SemaphoreProof calldata proof) external;

    /// @dev Verifies a zero-knowledge proof by returning true or false.
    /// @param groupId: Id of the group.
    /// @param proof: Semaphore zero-knowledge proof.
    function verifyProof(uint256 groupId, SemaphoreProof calldata proof) external view returns (bool);
}

{
  "evmVersion": "paris",
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"semaphoreAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"groupId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"identityCommitment","type":"uint256"}],"name":"joinGroup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"semaphore","outputs":[{"internalType":"contract ISemaphore","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"merkleTreeDepth","type":"uint256"},{"internalType":"uint256","name":"merkleTreeRoot","type":"uint256"},{"internalType":"uint256","name":"nullifier","type":"uint256"},{"internalType":"uint256","name":"feedback","type":"uint256"},{"internalType":"uint256[8]","name":"points","type":"uint256[8]"}],"name":"sendFeedback","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000006d1530c829366a7fff0069e77c5af6a6fa7db2e

-----Decoded View---------------
Arg [0] : semaphoreAddress (address): 0x06d1530c829366A7fff0069e77c5af6A6FA7db2E

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000006d1530c829366a7fff0069e77c5af6a6fa7db2e