Massive refactor

 - expose more functions to testing (tests to come)
 - separate store, view, update, and operate functionalty and interfaces

contracts/components/FismoAccess.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import { FismoView } from "./FismoView.sol";
+import { FismoStore } from "./FismoStore.sol";
+import { FismoEvents } from "../domain/FismoEvents.sol";
+
+/**
+ * @title FismoControl
+ *
+ * @notice Fismo access control
+ *
+ * @author Cliff Hall <[email protected]> (https://twitter.com/seaofarrows)
+ */
+contract FismoAccess is FismoView {
+
+    modifier onlyOwner() {
+        require(msg.sender == FismoStore.getStore().owner, "Only owner may call");
+        _;
+    }
+
+    modifier onlyOperator(bytes4 _machineId) {
+        Machine storage machine = getMachine(_machineId);
+        require(msg.sender == machine.operator, "Only operator may call");
+        _;
+    }
+
+}