SimpleDistributionTable

{{
  "language": "Solidity",
  "sources": {
    "contracts/src/demo/SimpleDistributionTableV2.sol": {
      "content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.28;

import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @title SimpleDistributionTable
 * @notice Table-based reward distribution for demo (no oracles, no calculators)
 * @dev Owner manually sets shares for each miner
 */
contract SimpleDistributionTable is Ownable {
    // ======== STATE ========

    struct MinerShares {
        address minerAddress;
        uint256 shares;
        string minerId; // Optional identifier
        bool isActive;
    }

    // Miner address => shares
    mapping(address => MinerShares) public miners;
    address[] public minerList;
    uint256 public totalShares;

    // ======== EVENTS ========

    event MinerAdded(address indexed miner, uint256 shares, string minerId);
    event MinerUpdated(address indexed miner, uint256 oldShares, uint256 newShares);
    event MinerRemoved(address indexed miner);
    event SharesRecalculated(uint256 totalShares);

    // ======== CONSTRUCTOR ========

    constructor() Ownable(msg.sender) {}

    // ======== MANAGEMENT ========

    function addMiner(
        address minerAddress,
        uint256 shares,
        string calldata minerId
    ) external onlyOwner {
        require(minerAddress != address(0), "Invalid address");
        require(shares > 0, "Shares must be > 0");
        require(!miners[minerAddress].isActive, "Miner already exists");

        miners[minerAddress] = MinerShares({
            minerAddress: minerAddress,
            shares: shares,
            minerId: minerId,
            isActive: true
        });

        minerList.push(minerAddress);
        totalShares += shares;

        emit MinerAdded(minerAddress, shares, minerId);
    }

    function updateMinerShares(address minerAddress, uint256 newShares) external onlyOwner {
        require(miners[minerAddress].isActive, "Miner not found");
        require(newShares > 0, "Shares must be > 0");

        uint256 oldShares = miners[minerAddress].shares;
        totalShares = totalShares - oldShares + newShares;
        miners[minerAddress].shares = newShares;

        emit MinerUpdated(minerAddress, oldShares, newShares);
    }

    function removeMiner(address minerAddress) external onlyOwner {
        require(miners[minerAddress].isActive, "Miner not found");

        totalShares -= miners[minerAddress].shares;
        miners[minerAddress].isActive = false;

        // Remove from list
        for (uint256 i = 0; i < minerList.length; i++) {
            if (minerList[i] == minerAddress) {
                minerList[i] = minerList[minerList.length - 1];
                minerList.pop();
                break;
            }
        }

        emit MinerRemoved(minerAddress);
    }

    // ======== DISTRIBUTION CALCULATION ========

    function calculateDistribution(uint256 totalAmount)
        external
        view
        returns (address[] memory recipients, uint256[] memory amounts)
    {
        require(totalShares > 0, "No shares");

        uint256 activeCount = 0;
        for (uint256 i = 0; i < minerList.length; i++) {
            if (miners[minerList[i]].isActive) {
                activeCount++;
            }
        }

        recipients = new address[](activeCount);
        amounts = new uint256[](activeCount);

        uint256 index = 0;
        uint256 distributed = 0;

        for (uint256 i = 0; i < minerList.length; i++) {
            address miner = minerList[i];
            if (miners[miner].isActive) {
                uint256 amount = (totalAmount * miners[miner].shares) / totalShares;
                recipients[index] = miner;
                amounts[index] = amount;
                distributed += amount;
                index++;
            }
        }

        // Handle remainder - give to first recipient
        if (distributed < totalAmount && activeCount > 0) {
            amounts[0] += (totalAmount - distributed);
        }
    }

    // ======== VIEWS ========

    function getMinerCount() external view returns (uint256) {
        uint256 count = 0;
        for (uint256 i = 0; i < minerList.length; i++) {
            if (miners[minerList[i]].isActive) {
                count++;
            }
        }
        return count;
    }

    function getAllMiners() external view returns (address[] memory) {
        uint256 activeCount = 0;
        for (uint256 i = 0; i < minerList.length; i++) {
            if (miners[minerList[i]].isActive) {
                activeCount++;
            }
        }

        address[] memory activeMiners = new address[](activeCount);
        uint256 index = 0;

        for (uint256 i = 0; i < minerList.length; i++) {
            if (miners[minerList[i]].isActive) {
                activeMiners[index] = minerList[i];
                index++;
            }
        }

        return activeMiners;
    }

    function getMinerShares(address minerAddress) external view returns (uint256) {
        return miners[minerAddress].shares;
    }

    function isMinerActive(address minerAddress) external view returns (bool) {
        return miners[minerAddress].isActive;
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/access/Ownable.sol": {
      "content": "// 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);
    }
}
"
    },
    "lib/openzeppelin-contracts/contracts/utils/Context.sol": {
      "content": "// 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": [
      "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
      "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
      "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
      "forge-std/=lib/openzeppelin-contracts/lib/forge-std/src/",
      "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
      "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
      "openzeppelin-contracts/=lib/openzeppelin-contracts/"
    ],
    "optimizer": {
      "enabled": true,
      "runs": 1
    },
    "metadata": {
      "useLiteralContent": false,
      "bytecodeHash": "ipfs",
      "appendCBOR": true
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "evmVersion": "prague",
    "viaIR": true
  }
}}