chore: add script to compare bytecode

Signed-off-by: Tomás Migone <tomas@edgeandnode.com>

Author: tmigone

scripts/bytecode-diff.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if [ "$#" -ne 2 ]; then
+  echo "Usage: $0 <artifacts-dir-1> <artifacts-dir-2>"
+  exit 1
+fi
+
+DIR1="$1"
+DIR2="$2"
+
+TMPDIR=$(mktemp -d)
+
+# Function to extract, strip metadata, and chunk bytecode
+process() {
+  local file="$1"
+  local out="$2"
+
+  jq -r '.deployedBytecode' "$file" | fold -w 64 > "$out"
+}
+
+# Find all JSON files in DIR1
+find "$DIR1" -type f -name '*.json' ! -name '*dbg.json' ! -name 'I*.json' | while read -r file1; do
+  # Get relative path
+  rel_path="${file1#$DIR1/}"
+  file2="$DIR2/$rel_path"
+
+  if [ ! -f "$file2" ]; then
+    echo "⚠️  Missing in second dir: $rel_path"
+    continue
+  fi
+
+  tmp1="$TMPDIR/1"
+  tmp2="$TMPDIR/2"
+
+  process "$file1" "$tmp1"
+  process "$file2" "$tmp2"
+
+  if ! diff -q "$tmp1" "$tmp2" > /dev/null; then
+    echo "🧨 Difference found in: $rel_path"
+    if command -v colordiff &> /dev/null; then
+      colordiff -u "$tmp1" "$tmp2"
+    else
+      diff -u "$tmp1" "$tmp2"
+    fi
+    echo
+  fi
+done
+
+rm -rf "$TMPDIR"