Add bash script to generate proof_as_field

test_programs/execution_success/assert_statement_recursive/gen_vk.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+set -eu
+
+# Parameter validation
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 \$PROJECT_PATH \$PROJECT_NAME"
+    exit 1
+fi
+
+PROJECT_PATH=$1
+PROJECT_NAME=$2
+
+ARTIFACT_FILE=$PROJECT_PATH/target/$PROJECT_NAME.json
+PROOF_FILE=$PROJECT_PATH/proofs/$PROJECT_NAME.proof
+BB=~/.nargo/backends/acvm-backend-barretenberg/backend_binary
+
+if [ ! -f "$ARTIFACT_FILE" ]; then
+    echo "Error: File $ARTIFACT_FILE not exist. Please run 'nargo compile'"
+    exit 1
+fi
+
+if [ ! -f "$PROOF_FILE" ]; then
+    echo "Error: File $PROOF_FILE not exist. Please run 'nargo prove'"
+    exit 1
+fi
+
+# Generate vk
+jq -r '.bytecode' $ARTIFACT_FILE | base64 -d > acir.tmp
+$BB write_vk -b acir.tmp -o vk.tmp
+$BB vk_as_fields -k vk.tmp -o vk_fields.tmp
+
+VK_HASH=$(jq -r '.[0]' vk_fields.tmp)
+echo "vk_hash = $VK_HASH" > target/temp.toml
+
+VK_AS_FIELDS=$(jq -r '.[1:]' vk_fields.tmp)
+echo "vk_as_fields = $VK_AS_FIELDS" >> target/vk_hash_and_fields.toml
+echo "Generated target/vk_hash_and_fields.toml"
+
+# Convert hex proof to binary format
+xxd -r -p ./proofs/$PROJECT_NAME.proof > ./proofs/$PROJECT_NAME.bin.proof
+# Adding one public parameter with value 2
+echo -n '0000000000000000000000000000000000000000000000000000000000000002' | xxd -r -p >> ./proofs/$PROJECT_NAME.bin.proof
+
+# Convert proof binary to toml
+$BB proof_as_fields -k vk.tmp -p proofs/$PROJECT_NAME.bin.proof -o target/proof_as_fields.toml
+echo "Generated target/proof_as_fields.toml"
+
+# Cleanup
+rm acir.tmp
+rm vk_fields.tmp
+rm vk.tmp