code: def size_of_type(abi_type):
      
      if 'string' in abi_type:
          return None
      if 'byte' in abi_type:
          return None
      if '[' in abi_type:
          return None
      if abi_type == 'bool':
          return 8
      if abi_type == 'address':
          return 160
      return int(re.sub(r"\D", "", abi_type))
docs: Returns size in bits of abi_type