chore(contracts-rfq): gas bench script (#3283)

* chore: add gas:bench script

* ci: use the defined script

.github/workflows/solidity.yml

@@ -267,7 +267,9 @@ jobs:
       - name: Run tests and generate gas report
         working-directory: './packages/${{matrix.package}}'
         # Run separate set of tests (no fuzzing) to get accurate average gas cost estimates
-        run: forge test --mc GasBenchmark --gas-report > "../../gas-report-${{ matrix.package }}.ansi"
+        # Note: we use `npm run` with `--if-present` flag, allows not to define a gas:bench script in every package
+        # This is not natively supported by yarn yet, see: https://github.com/yarnpkg/yarn/pull/7159
+        run: npm run gas:bench --if-present > "../../gas-report-${{ matrix.package }}.ansi"
 
       - name: Compare gas reports
         uses: Rubilmax/[email protected]

packages/contracts-rfq/package.json

@@ -20,6 +20,7 @@
     "build:slither": "forge build --out=out --build-info --force",
     "test:coverage": "echo 'Please use foundry'",
     "test": "forge test",
+    "gas:bench": "forge test --mc GasBenchmark --gas-report",
     "lint": "forge fmt && npm run solhint",
     "lint:check": "forge fmt --check && npm run solhint:check",
     "ci:lint": "npm run lint:check",