feat: upload the files

contracts/MuonNodeManager.sol

@@ -0,0 +1,356 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.19;
+
+import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
+import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
+import "./interfaces/IMuonNodeManager.sol";
+
+contract MuonNodeManager is
+    Initializable,
+    AccessControlUpgradeable,
+    IMuonNodeManager
+{
+    bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE");
+    bytes32 public constant DAO_ROLE = keccak256("DAO_ROLE");
+
+    // nodeId => Node
+    mapping(uint64 => Node) public nodes;
+
+    // nodeAddress => nodeId
+    mapping(address => uint64) public nodeAddressIds;
+
+    // stakerAddress => nodeId
+    mapping(address => uint64) public stakerAddressIds;
+
+    uint64 public lastNodeId;
+
+    // muon nodes check lastUpdateTime to sync their memory
+    uint256 public lastUpdateTime;
+
+    // commit_id => git commit id
+    mapping(string => string) public configs;
+
+    uint64 public lastRoleId;
+
+    // hash(role) => role id
+    mapping(bytes32 => uint64) public roleIds;
+
+    // role id => node id => index + 1
+    mapping(uint64 => mapping(uint64 => uint16)) public nodesRoles;
+
+    // node id => tier
+    mapping(uint64 => uint64) public tiers;
+
+    /**
+     * @dev Modifier to update the lastUpdateTime state variable.
+     */
+    modifier updateState() {
+        lastUpdateTime = block.timestamp;
+        _;
+    }
+
+    /**
+     * @dev Modifier to update the lastEditTime of a specific node.
+     * @param nodeId The id of the node.
+     */
+    modifier updateNodeState(uint64 nodeId) {
+        nodes[nodeId].lastEditTime = block.timestamp;
+        _;
+    }
+
+    function __MuonNodeManagerUpgradeable_init() internal initializer {
+        __AccessControl_init();
+
+        _setupRole(DEFAULT_ADMIN_ROLE, msg.sender);
+        _setupRole(ADMIN_ROLE, msg.sender);
+        _setupRole(DAO_ROLE, msg.sender);
+
+        lastNodeId = 0;
+        lastUpdateTime = block.timestamp;
+        lastRoleId = 0;
+    }
+
+    /**
+     * @dev Initializes the contract.
+     */
+    function initialize() external initializer {
+        __MuonNodeManagerUpgradeable_init();
+    }
+
+    function __MuonNodeManagerUpgradeable_init_unchained()
+        internal
+        initializer
+    {}
+
+    /**
+     * @dev Adds a new node.
+     * Only callable by the ADMIN_ROLE.
+     * @param _nodeAddress The address of the node.
+     * @param _stakerAddress The address of the staker associated with the node.
+     * @param _peerId The peer ID of the node.
+     * @param _active Indicates whether the node is active or not.
+     */
+    function addNode(
+        address _nodeAddress,
+        address _stakerAddress,
+        string calldata _peerId,
+        bool _active
+    )
+        public
+        override
+        onlyRole(ADMIN_ROLE)
+        updateState
+    {
+        require(nodeAddressIds[_nodeAddress] == 0, "Node address is already registered.");
+
+        require(
+            stakerAddressIds[_stakerAddress] == 0,
+            "Staker address is already registered."
+        );
+
+        lastNodeId++;
+        nodes[lastNodeId] = Node({
+            id: lastNodeId,
+            nodeAddress: _nodeAddress,
+            stakerAddress: _stakerAddress,
+            peerId: _peerId,
+            active: _active,
+            roles: new uint64[](0),
+            startTime: block.timestamp,
+            lastEditTime: block.timestamp,
+            endTime: 0
+        });
+
+        nodeAddressIds[_nodeAddress] = lastNodeId;
+        stakerAddressIds[_stakerAddress] = lastNodeId;
+
+        emit NodeAdded(lastNodeId, nodes[lastNodeId]);
+    }
+
+    /**
+     * @dev Allows the admins to deactivate the nodes.
+     * Only callable by the ADMIN_ROLE.
+     * @param nodeId The ID of the node to be deactivated.
+     */
+    function deactiveNode(uint64 nodeId)
+        public
+        override
+        onlyRole(ADMIN_ROLE)
+        updateState
+        updateNodeState(nodeId)
+    {
+        require(nodes[nodeId].id == nodeId, "Node ID not found.");
+
+        require(nodes[nodeId].active, "Node is already deactivated.");
+
+        nodes[nodeId].endTime = block.timestamp;
+        nodes[nodeId].active = false;
+
+        emit NodeDeactivated(nodeId);
+    }
+
+    /**
+     * @dev Adds a role to a given node.
+     * Only callable by the DAO_ROLE.
+     * @param nodeId The ID of the node.
+     * @param roleId The ID of the role.
+     */
+    function setNodeRole(uint64 nodeId, uint64 roleId)
+        public
+        onlyRole(DAO_ROLE)
+        updateState
+        updateNodeState(nodeId)
+    {
+        require(nodes[nodeId].active, "Node is not active.");
+
+        require(roleId > 0 && roleId <= lastRoleId, "Invalid role ID.");
+
+        require(
+            nodesRoles[roleId][nodeId] == 0,
+            "Role is already assigned to this node."
+        );
+
+        nodes[nodeId].roles.push(roleId);
+        nodesRoles[roleId][nodeId] = uint16(nodes[nodeId].roles.length);
+        emit NodeRoleSet(nodeId, roleId);
+    }
+
+    /**
+     * @dev Removes a role from a given node.
+     * Only callable by the DAO_ROLE.
+     * @param nodeId The ID of the node.
+     * @param roleId The ID of the role.
+     */
+    function unsetNodeRole(uint64 nodeId, uint64 roleId)
+        public
+        onlyRole(DAO_ROLE)
+        updateState
+        updateNodeState(nodeId)
+    {
+        require(roleId > 0 && roleId <= lastRoleId, "Invalid role ID.");
+
+        require(
+            nodesRoles[roleId][nodeId] > 0,
+            "Node does not have this role."
+        );
+
+        uint16 index = nodesRoles[roleId][nodeId] - 1;
+        uint64 lRoleId = nodes[nodeId].roles[nodes[nodeId].roles.length - 1];
+        nodes[nodeId].roles[index] = lRoleId;
+        nodesRoles[lRoleId][nodeId] = index + 1;
+        nodes[nodeId].roles.pop();
+        nodesRoles[roleId][nodeId] = 0;
+        emit NodeRoleUnset(nodeId, roleId);
+    }
+
+    /**
+     * @dev Returns whether a given node has a given role.
+     * @param nodeId The ID of the node.
+     * @param role The role to check.
+     * @return A boolean indicating whether the node has the role.
+     */
+    function nodeHasRole(uint64 nodeId, bytes32 role)
+        public
+        view
+        returns (bool)
+    {
+        return nodesRoles[roleIds[role]][nodeId] > 0;
+    }
+
+    /**
+     * @dev Returns a list of roles associated with a node.
+     * @param nodeId The ID of the node.
+     * @return An array of role IDs.
+     */
+    function getNodeRoles(uint64 nodeId) public view returns (uint64[] memory) {
+        return nodes[nodeId].roles;
+    }
+
+    /**
+     * @dev Returns the information of a node.
+     * @param nodeId The ID of the node.
+     * @return The node information.
+     */
+    function getNode(uint64 nodeId) public view returns (Node memory) {
+        Node memory node = nodes[nodeId];
+        node.roles = getNodeRoles(nodeId);
+        return node;
+    }
+
+    /**
+     * @dev Returns a list of nodes that have been edited.
+     * @param _lastEditTime The time of the last edit.
+     * @param _from The starting node ID.
+     * @param _to The ending node ID.
+     * @return nodesList An array of edited nodes.
+     */
+    function getEditedNodes(
+        uint256 _lastEditTime,
+        uint64 _from,
+        uint64 _to
+    ) public view returns (Node[] memory nodesList) {
+        _from = _from > 0 ? _from : 1;
+        _to = _to <= lastNodeId ? _to : lastNodeId;
+        require(_from <= _to, "Invalid range of node IDs.");
+
+        nodesList = new Node[](100);
+        uint64 n = 0;
+        for (uint64 i = _from; i <= _to && n < 100; i++) {
+            Node memory node = nodes[i];
+
+            if (node.lastEditTime > _lastEditTime) {
+                nodesList[n] = node;
+                nodesList[n].roles = getNodeRoles(i);
+                n++;
+            }
+        }
+
+        // Resize the array to remove any unused elements
+        assembly {
+            mstore(nodesList, n)
+        }
+    }
+
+    /**
+     * @dev Returns the information of a node associated with the provided node address.
+     * @param _addr The node address.
+     * @return node The node information.
+     */
+    function nodeAddressInfo(address _addr)
+        public
+        view
+        returns (Node memory node)
+    {
+        node = nodes[nodeAddressIds[_addr]];
+    }
+
+    /**
+     * @dev Returns the information of a node associated with the provided staker address.
+     * @param _addr The staker address.
+     * @return node The node information.
+     */
+    function stakerAddressInfo(address _addr)
+        public
+        view
+        override
+        returns (Node memory node)
+    {
+        node = nodes[stakerAddressIds[_addr]];
+    }
+
+    /**
+     * @dev Returns the tier of a node.
+     * @param nodeId The ID of the node.
+     * @return The tier of the node.
+     */
+    function getTier(uint64 nodeId) external view override returns (uint64) {
+        return tiers[nodeId];
+    }
+
+    /**
+     * @dev Sets the tier of a node.
+     * Only callable by the DAO_ROLE.
+     * @param nodeId The ID of the node.
+     * @param tier The tier to set.
+     */
+    function setTier(uint64 nodeId, uint64 tier) public onlyRole(DAO_ROLE) {
+        tiers[nodeId] = tier;
+        emit TierSet(nodeId, tier);
+    }
+
+    /**
+     * @dev Sets a configuration value.
+     * Only callable by the DAO_ROLE.
+     * @param key The key of the configuration value.
+     * @param val The value to be set.
+     */
+    function setConfig(string memory key, string memory val)
+        public
+        onlyRole(DAO_ROLE)
+    {
+        configs[key] = val;
+        emit ConfigSet(key, val);
+    }
+
+    /**
+     * @dev Adds a new role.
+     * Only callable by the DAO_ROLE.
+     * @param role The role to be added.
+     */
+    function addNodeRole(bytes32 role) public onlyRole(DAO_ROLE) {
+        require(roleIds[role] == 0, "This role has already been added.");
+
+        lastRoleId++;
+        roleIds[role] = lastRoleId;
+        emit NodeRoleAdded(role, lastRoleId);
+    }
+
+    // ======== Events ========
+    event NodeAdded(uint64 indexed nodeId, Node node);
+    event NodeDeactivated(uint64 indexed nodeId);
+    event ConfigSet(string indexed key, string value);
+    event NodeRoleAdded(bytes32 indexed role, uint64 roleId);
+    event NodeRoleSet(uint64 indexed nodeId, uint64 indexed roleId);
+    event NodeRoleUnset(uint64 indexed nodeId, uint64 indexed roleId);
+    event TierSet(uint64 indexed nodeId, uint64 indexed tier);
+}