chore: add pre-commit

Author: arad-starkware

.github/workflows/on-pull-request.yaml

@@ -6,20 +6,19 @@ on:
       - main
 
 jobs:
-  verify_flows:
+  pre-commit:
     runs-on: ubuntu-latest
-
+    env:
+      SKIP: "scarb-toml-url-lock"
     steps:
       - uses: actions/checkout@v4
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - uses: foundry-rs/setup-snfoundry@v3
         with:
-          python-version: '3.x'
-
-      - name: Check all flows have tests
-        run: |
-          python scripts/check_all_flows_have_test.py --allow-duplicate-tests
+          starknet-foundry-version: "0.49.0"
+      - uses: software-mansion/setup-scarb@v1
+        with:
+          scarb-version: "2.12.2"
+      - uses: pre-commit/[email protected]
 
   test:
     runs-on: ubuntu-latest
@@ -45,7 +44,3 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: coverage/coverage.lcov
           fail_ci_if_error: true
-
-      - name: Check formatting
-        run: |
-          scarb fmt -w --check

.pre-commit-config.yaml

@@ -8,3 +8,15 @@ repos:
         pass_filenames: false
         files: ^Scarb\.toml$
         stages: [commit]
+      - id: ensure-flow-struct-tests
+        name: ensure flow structs have tests
+        entry: scripts/check_all_flows_have_test.py --allow-duplicate-tests
+        language: system
+        pass_filenames: false
+        stages: [commit]
+      - id: cairo-scarb-fmt
+        name: check cairo code is formatted
+        entry: scarb fmt -w --check
+        language: system
+        pass_filenames: false
+        stages: [commit]

scripts/check_all_flows_have_test.py

@@ -1,3 +1,5 @@
+#! /usr/bin/env python3
+
 from io import BufferedReader
 from re import search
 from argparse import ArgumentParser, Namespace