Procedurally generate EnumerableSet and EnumerableMap (#3429)

scripts/generate/templates/EnumerableSetMock.js

@@ -0,0 +1,56 @@
+const format = require('../format-lines');
+
+const TYPES = [
+  { name: 'Bytes32Set', type: 'bytes32' },
+  { name: 'AddressSet', type: 'address' },
+  { name: 'UintSet', type: 'uint256' },
+];
+
+const header = `\
+pragma solidity ^0.8.0;
+
+import "../utils/structs/EnumerableSet.sol";
+`;
+
+const customSetMock = ({ name, type }) => `\
+// ${name}
+contract Enumerable${name}Mock {
+    using EnumerableSet for EnumerableSet.${name};
+
+    event OperationResult(bool result);
+
+    EnumerableSet.${name} private _set;
+
+    function contains(${type} value) public view returns (bool) {
+        return _set.contains(value);
+    }
+
+    function add(${type} value) public {
+        bool result = _set.add(value);
+        emit OperationResult(result);
+    }
+
+    function remove(${type} value) public {
+        bool result = _set.remove(value);
+        emit OperationResult(result);
+    }
+
+    function length() public view returns (uint256) {
+        return _set.length();
+    }
+
+    function at(uint256 index) public view returns (${type}) {
+        return _set.at(index);
+    }
+
+    function values() public view returns (${type}[] memory) {
+        return _set.values();
+    }
+}
+`;
+
+// GENERATE
+module.exports = format(
+  header,
+  ...TYPES.map(details => customSetMock(details)),
+);