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Fixed depth tracking

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This commit is contained in:
arkpar 2016-01-27 19:27:11 +01:00
parent 698fa11e76
commit 7f187674fc
1 changed files with 6 additions and 2 deletions
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8
util/src/rlp/rlpstream.rs
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@ -25,6 +25,7 @@ impl ListInfo {
pub struct RlpStream {
unfinished_lists: ElasticArray16<ListInfo>,
encoder: BasicEncoder,
finished_list: bool,
}
impl Stream for RlpStream {
@ -32,6 +33,7 @@ impl Stream for RlpStream {
RlpStream {
unfinished_lists: ElasticArray16::new(),
encoder: BasicEncoder::new(),
finished_list: false,
}
}
@ -42,15 +44,16 @@ impl Stream for RlpStream {
}
fn append<'a, E>(&'a mut self, value: &E) -> &'a mut Self where E: Encodable {
let depth = self.unfinished_lists.len();
self.finished_list = false;
value.rlp_append(self);
if depth == self.unfinished_lists.len() {
if !self.finished_list {
self.note_appended(1);
}
self
}
fn begin_list(&mut self, len: usize) -> &mut RlpStream {
self.finished_list = false;
match len {
0 => {
// we may finish, if the appended list len is equal 0
@ -155,6 +158,7 @@ impl RlpStream {
self.encoder.insert_list_len_at_pos(len, x.position);
self.note_appended(1);
}
self.finished_list = should_finish;
}
/// Drain the object and return the underlying ElasticArray.