CreateFunctionQuery hex2bytes (children 2)
 Identifier hex2bytes
 Function lambda (children 1)
  ExpressionList (children 2)
   Function tuple (children 1)
    ExpressionList (children 1)
     Identifier address
   Function CAST (children 1)
    ExpressionList (children 2)
     Function unhexPrefixed (children 1)
      ExpressionList (children 1)
       Identifier address
     Literal \'FixedString(20)\'
