Add codesize tests

contracts/staking/test/codesize.ts

@@ -0,0 +1,22 @@
+import { chaiSetup, constants, getCodesizeFromArtifact } from '@0x/contracts-test-utils';
+import * as chai from 'chai';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+import { artifacts } from '../src';
+
+describe.skip('Contract Size Checks', () => {
+    describe('Staking', () => {
+        it('should have a codesize less than the maximum', async () => {
+            const actualSize = getCodesizeFromArtifact(artifacts.Staking);
+            expect(actualSize).to.be.lt(constants.MAX_CODE_SIZE);
+        });
+    });
+    describe('StakingProxy', () => {
+        it('should have a codesize less than the maximum', async () => {
+            const actualSize = getCodesizeFromArtifact(artifacts.StakingProxy);
+            expect(actualSize).to.be.lt(constants.MAX_CODE_SIZE);
+        });
+    });
+});