Method length

src/node.rs:604–636

(&self)

    }

    fn length(&self) -> usize {
        let prefix = self.prefix();
        match self.kind() {
            NodeKind::StorageLeaf { .. } => {
                // this just has to be an estimate for `Vec::with_capacity`
                prefix.len() + 32 + 10 // 10 is just a buffer
            }
            NodeKind::AccountLeaf { .. } => {
                // this just has to be an estimate for `Vec::with_capacity`
                prefix.len() + 32 + 8 + 32 + 37 + 10 // 10 is just a buffer
            }
            NodeKind::Branch { children } => {
                if prefix.is_empty() {
                    let mut payload_length = 1;
                    for child in children.iter() {
                        if let Some(child) = child {
                            payload_length += child.rlp().len();
                        } else {
                            payload_length += 1;
                        }
                    }
                    payload_length + length_of_length(payload_length)
                } else {
                    let mut encoded_key_len = prefix.len() / 2 + 1;
                    if encoded_key_len != 1 {
                        encoded_key_len += length_of_length(encoded_key_len);
                    }
                    let payload_length = encoded_key_len + 33;
                    payload_length + length_of_length(payload_length)
                }
            }
        }
    }
}

#[inline]