WIP: Charging module

contracts/implementations/Charging/Charging.sol

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.13;
+
+import "../../libraries/ChargingStorage.sol";
+
+import {ADMIN_ROLE} from "../../shared/Roles.sol";
+
+import "@solidstate/contracts/access/access_control/AccessControlInternal.sol";
+
+/**
+ * @title Charging
+ * @notice TODO Documentation
+ */
+contract Charging is AccessControlInternal {
+    event OperationCostSet(bytes32 operation, uint256 cost);
+
+    // TODO Documentation
+    function setOperationCost(
+        bytes32 operation,
+        uint256 cost
+    ) external onlyRole(ADMIN_ROLE) {
+        ChargingStorage.getStorage().operationCost[operation] = cost;
+
+        emit OperationCostSet(operation, cost);
+    }
+}

contracts/implementations/Charging/ChargingInternal.sol

@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.13;
+
+import "../../libraries/SharedStorage.sol";
+import "../../libraries/ChargingStorage.sol";
+
+import "@openzeppelin/contracts/interfaces/IERC20.sol";
+
+/**
+ * @title ChargingInternal
+ * @notice TODO Documentation
+ */
+library ChargingInternal {
+    // TODO Documentation
+    function _chargeDcx(address sender, bytes32 operation) internal {
+        SharedStorage.Storage storage s = SharedStorage.getStorage();
+
+        uint256 cost = ChargingStorage.getStorage().operationCost[operation];
+
+        IERC20(s.dimoCredit).transferFrom(sender, s.foundation, cost);
+    }
+}

contracts/implementations/tableland/DeviceDefinitionTable.sol

@@ -45,10 +45,7 @@ contract DeviceDefinitionTable is AccessControlInternal {
         string model,
         uint256 year
     );
-    event DeviceDefinitionDeleted(
-        uint256 indexed tableId,
-        string id
-    );
+    event DeviceDefinitionDeleted(uint256 indexed tableId, string id);
 
     /**
      * @notice Creates a new definition table associated with a specific manufacturer
@@ -294,7 +291,12 @@ contract DeviceDefinitionTable is AccessControlInternal {
 
         emit DeviceDefinitionUpdated(tableId, data.id, data.model, data.year);
 
-        _updateDeviceDefinitionData(tablelandTables, tableId, data.id, data.metadata);
+        _updateDeviceDefinitionData(
+            tablelandTables,
+            tableId,
+            data.id,
+            data.metadata
+        );
     }
 
     /**
@@ -487,21 +489,21 @@ contract DeviceDefinitionTable is AccessControlInternal {
         string calldata id,
         string calldata metadata
     ) private {
-
         // Set the values to update
-        string memory setters = string.concat("metadata=", string(abi.encodePacked("'", metadata, "'")));
+        string memory setters = string.concat(
+            "metadata=",
+            string(abi.encodePacked("'", metadata, "'"))
+        );
         // Specify filters for which row to update
-        string memory filters = string.concat("id=", string(abi.encodePacked("'", id, "'")));
+        string memory filters = string.concat(
+            "id=",
+            string(abi.encodePacked("'", id, "'"))
+        );
 
         tablelandTables.mutate(
             address(this),
             tableId,
-            SQLHelpers.toUpdate(
-                "",
-                tableId,
-                setters,
-                filters
-            )
+            SQLHelpers.toUpdate("", tableId, setters, filters)
         );
     }
 
@@ -518,16 +520,15 @@ contract DeviceDefinitionTable is AccessControlInternal {
         string calldata id
     ) private {
         // Specify filters for which row to delete
-        string memory filters = string.concat("id=", string(abi.encodePacked("'", id, "'")));
+        string memory filters = string.concat(
+            "id=",
+            string(abi.encodePacked("'", id, "'"))
+        );
 
         tablelandTables.mutate(
             address(this),
             tableId,
-            SQLHelpers.toDelete(
-                "",
-                tableId,
-                filters
-            )
+            SQLHelpers.toDelete("", tableId, filters)
         );
     }
 }

contracts/libraries/ChargingStorage.sol

@@ -0,0 +1,29 @@
+//SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.13;
+
+import "../interfaces/IDimo.sol";
+import "../interfaces/ILicense.sol";
+
+// TODO Documentation
+/**
+ * @title ChargingStorage
+ * @notice Storage of the Charging contract
+ */
+library ChargingStorage {
+    bytes32 internal constant CHARGING_STORAGE_SLOT =
+        keccak256("DIMORegistry.charging.storage");
+
+    struct Storage {
+        // TODO Use Enumerable Set ?
+        mapping(bytes32 => uint256) operationCost;
+    }
+
+    /* solhint-disable no-inline-assembly */
+    function getStorage() internal pure returns (Storage storage s) {
+        bytes32 slot = CHARGING_STORAGE_SLOT;
+        assembly {
+            s.slot := slot
+        }
+    }
+    /* solhint-enable no-inline-assembly */
+}

contracts/libraries/SharedStorage.sol

@@ -0,0 +1,28 @@
+//SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.13;
+
+// TODO Documentation
+/**
+ * @title SharedStorage
+ * @notice Storage of shared variables
+ */
+library SharedStorage {
+    bytes32 internal constant SHARED_STORAGE_SLOT =
+        keccak256("DIMORegistry.shared.storage");
+
+    struct Storage {
+        address foundation; // TODO Maybe a better name
+        address dimoCredit;
+        address dimoToken;
+        address manufacturerLicense; // TODO to deprecate AdLicenseValidator
+    }
+
+    /* solhint-disable no-inline-assembly */
+    function getStorage() internal pure returns (Storage storage s) {
+        bytes32 slot = SHARED_STORAGE_SLOT;
+        assembly {
+            s.slot := slot
+        }
+    }
+    /* solhint-enable no-inline-assembly */
+}