Sepolia Testnet

Contract

0x927894aAc9B0f9F8719a421A084De52EA06505d1

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0 ETH

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Block
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Accept Ownership73828622024-12-30 2:29:3644 days ago1735525776IN
0x927894aA...EA06505d1
0 ETH0.001039840.83100973
Transfer Ownersh...73828592024-12-30 2:29:0044 days ago1735525740IN
0x927894aA...EA06505d1
0 ETH0.0011496537.42610876
Transfer Ownersh...73828512024-12-30 2:27:2444 days ago1735525644IN
0x927894aA...EA06505d1
0 ETH0.0018705139.11732362
Publish Consensu...73560582024-12-26 3:36:4848 days ago1735184208IN
0x927894aA...EA06505d1
0 ETH0.00608793.45839762

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Contract Source Code Verified (Exact Match)

Contract Name:
DOR

Compiler Version
v0.8.28+commit.7893614a

Optimization Enabled:
Yes with 200 runs

Other Settings:
cancun EvmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 4 : DOR.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import {Ownable, Ownable2Step} from "@openzeppelin/contracts/access/Ownable2Step.sol";

contract DOR is Ownable2Step {
    // constants
    string public constant dor = "Treehouse Ethereum Staking Rate - Consensus";

    // address public immutable owner;
    uint256 public immutable dorId = 0;
    uint256 public immutable decimals = 9;

    uint256 private DOR_START_DAY = getStartOfDayTimestamp(block.timestamp);

    string[] private tenors = ["1d", "7d", "30d"];
    uint256 private latestRoundId = 0;
    uint256 private latestRoundPublishedAt = 0;

    uint256 private activeTenorsLastUpdateBlock;

    constructor() Ownable(msg.sender) {
        // owner = msg.sender;
        activeTenorsLastUpdateBlock = block.number;
        activeTenorsFromBlock[block.number] = tenors;
    }

    // errors
    error Unauthorised();
    error InvalidDorId(uint256 correctDorId);
    error InvalidRoundId(uint256 latestRoundId);
    error ArrayLengthMismatch();
    error NotActiveTenor(string[] activeTenors);

    // events
    event ActiveTenorsUpdate(address updatedBy, uint256 updatedAtBlock, string[] tenors);
    event NewDorConsensusRound(
        uint256 indexed roundId,
        uint256 publishedAt,
        address publishedBy,
        string[] tenors,
        int256[] consensusValues,
        uint256[] realisationDates
    );

    // define the tenor data struct
    struct TenorData {
        int256 consensusValue;
        uint256 realisationDate;
    }

    struct PanelistTenorPredictionData {
        string panelistName;
        int256 panelistSubmittedValue;
    }

    struct RoundData {
        uint256 publishedAt;
        mapping(string tenor => TenorData tenorData) tenorDataMap;
        mapping(string tenor => PanelistTenorPredictionData[] panelistTenorPredictionData) tenorPanelistPredictionMap;
    }

    // map roundId to active tenors to save historical state
    mapping(uint256 roundId => string[] activeTenors) private activeTenorsFromBlock;

    // map roundId to round containing all the tenor infos
    mapping(uint256 roundId => RoundData roundData) private roundDataFromRoundId;

    // create the tenor info struct for submission
    struct TenorInfo {
        string tenor;
        int256 consensusValue;
        uint256 realisationDate;
    }

    struct PanelistPredictionInfo {
        string tenor;
        string[] panelistNames;
        int256[] panelistSubmittedValues;
    }

    /// @dev Convert any timestamp to SOD timestamp as date representation
    function getStartOfDayTimestamp(uint256 timestamp) private pure returns (uint256 sodTimestamp) {
        return (timestamp / 1 days) * 1 days;
    }

    // support functions
    function isActiveTenor(string memory _tenor) internal view returns (bool) {
        for (uint256 i = 0; i < tenors.length; i++) {
            if (keccak256(abi.encodePacked((_tenor))) == keccak256(abi.encodePacked((tenors[i])))) {
                return true;
            }
        }
        return false;
    }

    function isActiveTenor(string memory _tenor, string[] memory _tenors) internal pure returns (bool) {
        for (uint256 i = 0; i < _tenors.length; i++) {
            if (keccak256(abi.encodePacked((_tenor))) == keccak256(abi.encodePacked((_tenors[i])))) {
                return true;
            }
        }
        return false;
    }

    // define write functions
    function updateActiveTenors(string[] memory _tenors) public onlyOwner {
        tenors = _tenors;
        // update the activeTenorsLastUpdateBlock to allow historical queries using blockchain state
        activeTenorsLastUpdateBlock = block.number;
        // save the active tenors to round in mapping
        activeTenorsFromBlock[block.number] = _tenors;
        // emit event
        emit ActiveTenorsUpdate(msg.sender, block.number, _tenors);
    }

    function publishConsensus(
        uint256 _dorId,
        uint256 _roundId,
        uint256 _publishedAt,
        TenorInfo[] calldata _tenorInfo,
        PanelistPredictionInfo[] calldata _panelistPredictionInfo
    ) public onlyOwner {
        // data validation
        // require(_dorId == dorId, "Submitted data for wrong DOR ID");
        if (_dorId != dorId) revert InvalidDorId(dorId);
        // require(_roundId > latestRoundId, "Submitted round data is not latest");
        // require(latestRoundId == 0 || _roundId == latestRoundId + 1, "Submitted round ID is not valid");
        if (latestRoundId != 0 && _roundId != latestRoundId + 1) revert InvalidRoundId(latestRoundId);
        // require(_tenorInfo.length == tenors.length, "Submitted tenor count does not match active ones");
        if (_tenorInfo.length != tenors.length) revert ArrayLengthMismatch();

        if (_roundId == 0) DOR_START_DAY = getStartOfDayTimestamp(_publishedAt);

        int256[] memory cvs = new int256[](tenors.length);
        uint256[] memory rds = new uint256[](tenors.length);

        // run through each active tenor
        for (uint256 i = 0; i < _tenorInfo.length; i++) {
            // require(isActiveTenor(_tenorInfo[i].tenor), "Submitted tenor(s) don't match active ones");
            if (!isActiveTenor(_tenorInfo[i].tenor)) revert NotActiveTenor(tenors);
            // update the storage variable with consensus and panelist predictions
            roundDataFromRoundId[_roundId].tenorDataMap[_tenorInfo[i].tenor] = TenorData({
                consensusValue: _tenorInfo[i].consensusValue,
                realisationDate: _tenorInfo[i].realisationDate
            });
            // loop through all panelists
            for (uint256 j = 0; j < _panelistPredictionInfo[i].panelistNames.length; j++) {
                roundDataFromRoundId[_roundId].tenorPanelistPredictionMap[_panelistPredictionInfo[i].tenor].push(
                    PanelistTenorPredictionData({
                        panelistName: _panelistPredictionInfo[i].panelistNames[j],
                        panelistSubmittedValue: _panelistPredictionInfo[i].panelistSubmittedValues[j]
                    })
                );
            }

            // get values for event
            cvs[i] = _tenorInfo[i].consensusValue;
            rds[i] = _tenorInfo[i].realisationDate;
        }

        // update latestRoundId
        latestRoundId = _roundId;
        // update latestRoundPublishedAt
        latestRoundPublishedAt = _publishedAt;
        // add publish time to the main storage
        roundDataFromRoundId[_roundId].publishedAt = _publishedAt;

        emit NewDorConsensusRound(_roundId, _publishedAt, msg.sender, tenors, cvs, rds);
    }

    // define read functions
    function getFirstRoundPublishTime() public view returns (uint256 firstRoundPublishTime) {
        return DOR_START_DAY;
    }

    function getActiveTenors() public view returns (string[] memory activeTenors) {
        return tenors;
    }

    function getActiveTenorsUpdateBlock() public view returns (uint256 activeTenorsUpdateBlock) {
        return activeTenorsLastUpdateBlock;
    }

    function getLatestRound() public view returns (uint256 latestRound) {
        return latestRoundId;
    }

    function getLatestRoundPublishTime() public view returns (uint256 latestRoundPublishTime) {
        return latestRoundPublishedAt;
    }

    function getLatestRoundData(string calldata _tenor)
        public
        view
        returns (
            uint256 roundId,
            uint256 publishedAt,
            TenorData memory tenorData,
            PanelistTenorPredictionData[] memory panelistTenorPredictionData
        )
    {
        // check if requested tenor is active
        // require(isActiveTenor(_tenor), "Requested tenor don't match any active ones");
        if (!isActiveTenor(_tenor)) revert NotActiveTenor(tenors);
        return (
            latestRoundId,
            latestRoundPublishedAt,
            roundDataFromRoundId[latestRoundId].tenorDataMap[_tenor],
            roundDataFromRoundId[latestRoundId].tenorPanelistPredictionMap[_tenor]
        );
    }

    function getRoundDataFromId(uint256 _roundId, string calldata _tenor)
        public
        view
        returns (
            uint256 roundId,
            uint256 publishedAt,
            TenorData memory tenorData,
            PanelistTenorPredictionData[] memory panelistTenorPredictionData
        )
    {
        // check if requested round is valid
        // require(_roundId <= latestRoundId, "Requested round ID is not valid");
        if (_roundId > latestRoundId) revert InvalidRoundId(latestRoundId);
        // check if requested tenor is active as of historical state
        // require(
        //     isActiveTenor(_tenor, activeTenorsFromBlock[getActiveTenorsUpdateBlock()]),
        //     "Requested tenor don't match any active ones"
        // );
        if (!isActiveTenor(_tenor, activeTenorsFromBlock[getActiveTenorsUpdateBlock()])) revert NotActiveTenor(tenors);
        return (
            _roundId,
            roundDataFromRoundId[_roundId].publishedAt,
            roundDataFromRoundId[_roundId].tenorDataMap[_tenor],
            roundDataFromRoundId[_roundId].tenorPanelistPredictionMap[_tenor]
        );
    }
}

File 2 of 4 : Ownable2Step.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (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.
 *
 * This extension of the {Ownable} contract includes a two-step mechanism to transfer
 * ownership, where the new owner must call {acceptOwnership} in order to replace the
 * old one. This can help prevent common mistakes, such as transfers of ownership to
 * incorrect accounts, or to contracts that are unable to interact with the
 * permission system.
 *
 * 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.
     *
     * Setting `newOwner` to the zero address is allowed; this can be used to cancel an initiated ownership transfer.
     */
    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);
    }
}

File 3 of 4 : Ownable.sol
// 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);
    }
}

File 4 of 4 : Context.sol
// 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;
    }
}

Settings
{
  "remappings": [
    "forge-std/=lib/forge-std/src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false,
  "libraries": {}
}

Contract ABI

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DOR.PanelistTenorPredictionData[]","name":"panelistTenorPredictionData","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_dorId","type":"uint256"},{"internalType":"uint256","name":"_roundId","type":"uint256"},{"internalType":"uint256","name":"_publishedAt","type":"uint256"},{"components":[{"internalType":"string","name":"tenor","type":"string"},{"internalType":"int256","name":"consensusValue","type":"int256"},{"internalType":"uint256","name":"realisationDate","type":"uint256"}],"internalType":"struct DOR.TenorInfo[]","name":"_tenorInfo","type":"tuple[]"},{"components":[{"internalType":"string","name":"tenor","type":"string"},{"internalType":"string[]","name":"panelistNames","type":"string[]"},{"internalType":"int256[]","name":"panelistSubmittedValues","type":"int256[]"}],"internalType":"struct DOR.PanelistPredictionInfo[]","name":"_panelistPredictionInfo","type":"tuple[]"}],"name":"publishConsensus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string[]","name":"_tenors","type":"string[]"}],"name":"updateActiveTenors","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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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.