diff --git a/.github/workflows/end2end.yml b/.github/workflows/end2end.yml
index 64fbc13..cd6040e 100644
--- a/.github/workflows/end2end.yml
+++ b/.github/workflows/end2end.yml
@@ -34,6 +34,12 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Set environment variables for generate_contract_input.py (Nova URL and commit)
+        id: parse-comment
+        run:
+          echo "::set-env name=NOVA_URL::https://github.com/lurk-lab/Nova"
+          echo "::set-env name=NOVA_COMMIT::ea4f75c225cb29f523780858ec84f1ff51c229bc"
+        
       - name: Checkout PR branch
         run: gh pr checkout $PR_NUMBER
         env:
@@ -55,9 +61,13 @@ jobs:
           echo "CONTRACT_ADDRESS=$(forge script script/Deployment.s.sol:NovaVerifierDeployer --fork-url $ANVIL_URL --private-key $ANVIL_PRIVATE_KEY --broadcast --non-interactive | sed -n 's/.*Contract Address: //p' | tail -1)" >> $GITHUB_OUTPUT
         id: deployment
 
+      - name: Generate proof and public parameters from commit hash
+        run: |
+          python ci_pasta_keys_verifier_script.py $NOVA_URL $NOVA_COMMIT
+
       - name: Load proof and public parameters
         run: |
-          python loader.py pp-verifier-key.json pp-compressed-snark.json ${{steps.deployment.outputs.CONTRACT_ADDRESS}} $ANVIL_URL $ANVIL_PRIVATE_KEY
+          python loader.py vk.json compressed-snark.json ${{steps.deployment.outputs.CONTRACT_ADDRESS}} $ANVIL_URL $ANVIL_PRIVATE_KEY
 
       - name: Check proof verification status
         run: |
diff --git a/generate_contract_input.py b/generate_contract_input.py
new file mode 100644
index 0000000..03e87e2
--- /dev/null
+++ b/generate_contract_input.py
@@ -0,0 +1,57 @@
+import subprocess
+import sys
+import os
+import re
+
+file_path = 'rust-reference-info.txt'
+
+def parse_variables_from_file(file_path):
+    variables = {}
+    with open(file_path, 'r') as file:
+        content = file.read()
+        # Define regex patterns for matching variables
+        nova_url_pattern = r'\$NOVA_URL\s*=\s*\"(.+?)\"'
+        nova_commit_pattern = r'\$NOVA_COMMIT\s*=\s*\"(.+?)\"'
+
+        # Match variables using regular expressions
+        nova_url_match = re.search(nova_url_pattern, content)
+        nova_commit_match = re.search(nova_commit_pattern, content)
+
+        # Extract matched variables
+        if nova_url_match:
+            variables['NOVA_URL'] = nova_url_match.group(1)
+        if nova_commit_match:
+            variables['NOVA_COMMIT'] = nova_commit_match.group(1)
+
+    return variables
+
+# python generate_contract_input.py https://github.com/artem-bakuta/Nova.git 3838031868ca3f2783c01299546849860bfd36d2
+if __name__ == "__main__":
+    nova_repo_arg = ""
+    nova_commit_arg = ""
+
+    if len(sys.argv) > 1:
+        nova_repo_arg = sys.argv[1]
+        nova_commit_arg = sys.argv[2]
+
+    # Configurations
+    parsed_variables = parse_variables_from_file(file_path)
+    nova_repo_url = nova_repo_arg if nova_repo_arg else parsed_variables['NOVA_URL']
+    nova_commit_hash = nova_commit_arg if nova_commit_arg else parsed_variables['NOVA_COMMIT']
+    print("Pulling project from: " + nova_repo_url + " " + nova_commit_hash)
+    target_directory = "verify_cache"
+    nova_directory = "nova"
+
+    if os.path.exists(target_directory):
+        subprocess.run(['rm', '-rf', target_directory], check=True)
+    os.mkdir(target_directory)
+    os.mkdir(target_directory + "/" + nova_directory)
+    os.chdir(target_directory)
+    os.system(f"git clone {nova_repo_url} {nova_directory}")
+    os.chdir(nova_directory)
+    os.system(f"git checkout {nova_commit_hash}")
+
+    # Build the Nova project
+    os.system(f"cargo test solidity_compatibility_e2e_pasta --release -- --ignored")
+    print("Copy generated keys from Nova...")
+    os.system(f"cp vk.json compressed-snark.json ../../.")
diff --git a/rust-reference-info.txt b/rust-reference-info.txt
new file mode 100644
index 0000000..389c460
--- /dev/null
+++ b/rust-reference-info.txt
@@ -0,0 +1,7 @@
+# generate_contract_input.py script params
+
+# NOVA_URL variable
+$NOVA_URL = "https://github.com/lurk-lab/Nova.git"
+
+# NOVA_COMMIT variable
+$NOVA_COMMIT = "d5f5fb5e557b99cb111f2d5693aa34fe30722750"
\ No newline at end of file