message: Deleted unused block
diff: @@ -48,35 +48,6 @@ fn string_or_number<'de, D>(deserializer: D) -> Result<Option<u64>, D::Error>
  _ => Err(serde::de::Error::custom(format!("Invalid Node transaction"))),
  }
  }
  -//
  -//
  -//fn string_or_number<'de, D>(deserializer: D) -> Result<Option<u64>, D::Error> where D: Deserializer<'de> {
  -// struct StringOrNumberVisitor;
  -//
  -// impl<'de> de::Visitor<'de> for StringOrNumberVisitor {
  -// type Value = Option<u64>;
  -//
  -// fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
  -// formatter.write_str("an integer or a string")
  -// }
  -//
  -// fn visit_str<E>(self, v: &str) -> Result<Self::Value, E> where E: de::Error,
  -// {
  -// match v.parse::<u64>() {
  -// Ok(num) => return Ok(Some(num)),
  -// Err(err) => return Err(serde::de::Error::custom(format!("Invalid Node transaction: {:?}", err)))
  -// }
  -// }
  -//
  -// fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E> where E: de::Error, {
  -// return Ok(Some(v));
  -// }
  -//
  -// fn visit_none<E>(self) -> Result<Self::Value, E> where E: de::Error, { Ok(None) }
  -// }
  -//
  -// deserializer.deserialize_u64(StringOrNumberVisitor)
  -//}
  #[derive(Serialize, Deserialize, Debug, Eq, PartialEq)]
  pub struct NodeTransaction {
  