message: Small fix for MerkleUtils
diff: @@ -141,7 +141,10 @@ library Lib_MerkleUtils {
  defaultHashes[0] = keccak256(abi.encodePacked(uint256(0)));
  for (uint256 i = 1; i < defaultHashes.length; i++) {
  - defaultHashes[i] = keccak256(abi.encodePacked(defaultHashes[i-1]));
  + defaultHashes[i] = keccak256(abi.encodePacked(
  + defaultHashes[i-1],
  + defaultHashes[i-1]
  + ));
  }
  return defaultHashes;
  