Create pi_network_module_5: Storage.sol

blockchain_integration/pi_network/features/pi_network_smart_contract_architecture/pi_network_module_5: Storage.sol

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+pragma solidity ^0.8.0;
+
+import "./AccessControl.sol";
+
+contract Storage {
+    using AccessControl for address;
+
+    // Mapping of storage data
+    mapping (string => bytes) public data;
+
+    // Event emitted when new storage data is updated
+    event NewData(string indexed key, bytes value);
+
+    // Function to update storage data
+    function updateData(string memory _key, bytes memory _value) public onlyAdmin {
+        data[_key] = _value;
+        emit NewData(_key, _value);
+    }
+
+    // Function to get storage data
+    function getData(string memory _key) public view returns (bytes memory) {
+        return data[_key];
+    }
+}