Create RollupManager.sol

blockchain_integration/pi_network/pi-network-layer2-scaling/contracts/rollups/RollupManager.sol

@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+contract RollupManager {
+    mapping(address => bool) public operators;
+    address public owner;
+
+    event OperatorAdded(address indexed operator);
+    event OperatorRemoved(address indexed operator);
+
+    modifier onlyOwner() {
+        require(msg.sender == owner, "Not the owner");
+        _;
+    }
+
+    constructor() {
+        owner = msg.sender;
+    }
+
+    function addOperator(address _operator) external onlyOwner {
+        require(!operators[_operator], "Already an operator");
+        operators[_operator] = true;
+        emit OperatorAdded(_operator);
+    }
+
+    function removeOperator(address _operator) external onlyOwner {
+        require(operators[_operator], "Not an operator");
+        operators[_operator] = false;
+        emit OperatorRemoved(_operator);
+    }
+
+    function isOperator(address _address) external view returns (bool) {
+        return operators[_address];
+    }
+}