Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity 0.8.18;

import { EMPTY_UID } from "./Types.sol";
import { ISchemaRegistry, SchemaRecord } from "./ISchemaRegistry.sol";

import { ISchemaResolver } from "./resolver/ISchemaResolver.sol";

/**
 * @title The global schema registry.
 */
contract SchemaRegistry is ISchemaRegistry {
    error AlreadyExists();

    // The version of the contract.
    string public constant VERSION = "0.26";

    // The global mapping between schema records and their IDs.
    mapping(bytes32 uid => SchemaRecord schemaRecord) private _registry;

    /**
     * @inheritdoc ISchemaRegistry
     */
    function register(string calldata schema, ISchemaResolver resolver, bool revocable) external returns (bytes32) {
        SchemaRecord memory schemaRecord = SchemaRecord({
            uid: EMPTY_UID,
            schema: schema,
            resolver: resolver,
            revocable: revocable
        });

        bytes32 uid = _getUID(schemaRecord);
        if (_registry[uid].uid != EMPTY_UID) {
            revert AlreadyExists();
        }

        schemaRecord.uid = uid;
        _registry[uid] = schemaRecord;

        emit Registered(uid, msg.sender);

        return uid;
    }

    /**
     * @inheritdoc ISchemaRegistry
     */
    function getSchema(bytes32 uid) external view returns (SchemaRecord memory) {
        return _registry[uid];
    }

    /**
     * @dev Calculates a UID for a given schema.
     *
     * @param schemaRecord The input schema.
     *
     * @return schema UID.
     */
    function _getUID(SchemaRecord memory schemaRecord) private pure returns (bytes32) {
        return keccak256(abi.encodePacked(schemaRecord.schema, schemaRecord.resolver, schemaRecord.revocable));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { ISchemaResolver } from "./resolver/ISchemaResolver.sol";

/**
 * @title A struct representing a record for a submitted schema.
 */
struct SchemaRecord {
    bytes32 uid; // The unique identifier of the schema.
    ISchemaResolver resolver; // Optional schema resolver.
    bool revocable; // Whether the schema allows revocations explicitly.
    string schema; // Custom specification of the schema (e.g., an ABI).
}

/**
 * @title The global schema registry interface.
 */
interface ISchemaRegistry {
    /**
     * @dev Emitted when a new schema has been registered
     *
     * @param uid The schema UID.
     * @param registerer The address of the account used to register the schema.
     */
    event Registered(bytes32 indexed uid, address registerer);

    /**
     * @dev Submits and reserves a new schema
     *
     * @param schema The schema data schema.
     * @param resolver An optional schema resolver.
     * @param revocable Whether the schema allows revocations explicitly.
     *
     * @return The UID of the new schema.
     */
    function register(string calldata schema, ISchemaResolver resolver, bool revocable) external returns (bytes32);

    /**
     * @dev Returns an existing schema by UID
     *
     * @param uid The UID of the schema to retrieve.
     *
     * @return The schema data members.
     */
    function getSchema(bytes32 uid) external view returns (SchemaRecord memory);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.18;

// A representation of an empty/uninitialized UID.
bytes32 constant EMPTY_UID = 0;

/**
 * @dev A struct representing EIP712 signature data.
 */
struct EIP712Signature {
    uint8 v; // The recovery ID.
    bytes32 r; // The x-coordinate of the nonce R.
    bytes32 s; // The signature data.
}

/**
 * @dev A struct representing a single attestation.
 */
struct Attestation {
    bytes32 uid; // A unique identifier of the attestation.
    bytes32 schema; // The unique identifier of the schema.
    uint64 time; // The time when the attestation was created (Unix timestamp).
    uint64 expirationTime; // The time when the attestation expires (Unix timestamp).
    uint64 revocationTime; // The time when the attestation was revoked (Unix timestamp).
    bytes32 refUID; // The UID of the related attestation.
    address recipient; // The recipient of the attestation.
    address attester; // The attester/sender of the attestation.
    bool revocable; // Whether the attestation is revocable.
    bytes data; // Custom attestation data.
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { Attestation } from "../Types.sol";

/**
 * @title The interface of an optional schema resolver.
 */
interface ISchemaResolver {
    /**
     * @dev Returns whether the resolver supports ETH transfers.
     */
    function isPayable() external pure returns (bool);

    /**
     * @dev Processes an attestation and verifies whether it's valid.
     *
     * @param attestation The new attestation.
     *
     * @return Whether the attestation is valid.
     */
    function attest(Attestation calldata attestation) external payable returns (bool);

    /**
     * @dev Processes multiple attestations and verifies whether they are valid.
     *
     * @param attestations The new attestations.
     * @param values Explicit ETH amounts which were sent with each attestation.
     *
     * @return Whether all the attestations are valid.
     */
    function multiAttest(
        Attestation[] calldata attestations,
        uint256[] calldata values
    ) external payable returns (bool);

    /**
     * @dev Processes an attestation revocation and verifies if it can be revoked.
     *
     * @param attestation The existing attestation to be revoked.
     *
     * @return Whether the attestation can be revoked.
     */
    function revoke(Attestation calldata attestation) external payable returns (bool);

    /**
     * @dev Processes revocation of multiple attestation and verifies they can be revoked.
     *
     * @param attestations The existing attestations to be revoked.
     * @param values Explicit ETH amounts which were sent with each revocation.
     *
     * @return Whether the attestations can be revoked.
     */
    function multiRevoke(
        Attestation[] calldata attestations,
        uint256[] calldata values
    ) external payable returns (bool);
}

{
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "remappings": [],
  "viaIR": true,
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

[{"inputs":[],"name":"AlreadyExists","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"uid","type":"bytes32"},{"indexed":false,"internalType":"address","name":"registerer","type":"address"}],"name":"Registered","type":"event"},{"inputs":[],"name":"VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"uid","type":"bytes32"}],"name":"getSchema","outputs":[{"components":[{"internalType":"bytes32","name":"uid","type":"bytes32"},{"internalType":"contract ISchemaResolver","name":"resolver","type":"address"},{"internalType":"bool","name":"revocable","type":"bool"},{"internalType":"string","name":"schema","type":"string"}],"internalType":"struct SchemaRecord","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"schema","type":"string"},{"internalType":"contract ISchemaResolver","name":"resolver","type":"address"},{"internalType":"bool","name":"revocable","type":"bool"}],"name":"register","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"}]

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