chore: make sure that the cairo_native flag works in python (#2465)

.github/actions/bootstrap/action.yml

@@ -1,6 +1,10 @@
 runs:
   using: "composite"
   steps:
+    # required to clone native as a gitsubmodule
+    - name: Submodules update.
+      run: git submodule update --init --recursive
+      shell: bash
     - name: Install rust.
       uses: ./.github/actions/install_rust
     - name: Install cairo native.

.github/workflows/blockifier_ci.yml

@@ -48,8 +48,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          # required to clone native as a gitsubmodule
-          submodules: recursive
           fetch-depth: 0
       - uses: ./.github/actions/bootstrap
       # No features - build blockifier without features activated by dependencies in the workspace.

.github/workflows/main.yml

@@ -32,8 +32,6 @@ jobs:
       # Environment setup.
       - uses: actions/checkout@v4
         with:
-          # required to clone native as a git submodule
-          submodules: recursive
           # Fetch the entire history. Required to checkout the merge target commit, so the diff can
           # be computed.
           fetch-depth: 0

.github/workflows/upload_artifacts_workflow.yml

@@ -10,7 +10,7 @@ env:
 
 jobs:
   native-blockifier-artifacts-push:
-    runs-on: starkware-ubuntu-20-04-medium
+    runs-on: starkware-ubuntu-latest-medium
     steps:
       - name: Get commit hash prefix for PR update
         env:

crates/native_blockifier/Cargo.toml

@@ -27,7 +27,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 # TODO(Dori, 1/1/2025): Add the "jemalloc" feature to the blockifier crate when possible.
-blockifier = { workspace = true, features = ["testing"] }
+blockifier = { workspace = true, features = ["cairo_native", "testing"] }
 cairo-lang-starknet-classes.workspace = true
 cairo-vm.workspace = true
 indexmap.workspace = true

scripts/build_native_blockifier.sh

@@ -7,6 +7,10 @@ function clean() {
     rm -rf venv || true
 }
 
+function init_submodule() {
+    echo "Initializing submodule..."
+    git submodule update --init --recursive
+}
 
 function build() {
     echo "Building..."
@@ -16,4 +20,5 @@ function build() {
     clean
 }
 
+init_submodule &&
 build