jleony/nanoreth
1
0
Fork 0
mirror of https://github.com/hl-archive-node/nanoreth.git synced 2025-12-06 10:59:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

perf: misc Codec improvements (#5642)

Browse Source
This commit is contained in:
DaniPopes
2023-11-30 20:14:47 +01:00
committed by GitHub
parent 12d9559333
commit a4ed76d058
1 changed files with 5 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
crates/storage/codecs/src/lib.rs
View File

@ -89,7 +89,7 @@ impl_uint_compact!(u8, u64, u128);
impl<T> Compact for Vec<T> impl<T> Compact for Vec<T>
where where
T: Compact + Default, T: Compact,
{ {
/// Returns 0 since we won't include it in the `StructFlags`. /// Returns 0 since we won't include it in the `StructFlags`.
fn to_compact<B>(self, buf: &mut B) -> usize fn to_compact<B>(self, buf: &mut B) -> usize
@ -116,15 +116,11 @@ where
fn from_compact(buf: &[u8], _: usize) -> (Self, &[u8]) { fn from_compact(buf: &[u8], _: usize) -> (Self, &[u8]) {
let (length, mut buf) = decode_varuint(buf); let (length, mut buf) = decode_varuint(buf);
let mut list = Vec::with_capacity(length); let mut list = Vec::with_capacity(length);
#[allow(unused_assignments)]
let mut len = 0;
for _ in 0..length { for _ in 0..length {
#[allow(unused_assignments)] let len;
let mut element = T::default();
(len, buf) = decode_varuint(buf); (len, buf) = decode_varuint(buf);
(element, _) = T::from_compact(&buf[..len], len); let (element, _) = T::from_compact(&buf[..len], len);
buf.advance(len); buf.advance(len);
list.push(element); list.push(element);
@ -139,7 +135,6 @@ where
B: bytes::BufMut + AsMut<[u8]>, B: bytes::BufMut + AsMut<[u8]>,
{ {
encode_varuint(self.len(), buf); encode_varuint(self.len(), buf);
for element in self { for element in self {
element.to_compact(buf); element.to_compact(buf);
} }
@ -152,11 +147,8 @@ where
let mut list = Vec::with_capacity(length); let mut list = Vec::with_capacity(length);
for _ in 0..length { for _ in 0..length {
#[allow(unused_assignments)] let element;
let mut element = T::default();
(element, buf) = T::from_compact(buf, len); (element, buf) = T::from_compact(buf, len);
list.push(element); list.push(element);
} }
@ -331,7 +323,7 @@ where
fn decode_varuint(mut buf: &[u8]) -> (usize, &[u8]) { fn decode_varuint(mut buf: &[u8]) -> (usize, &[u8]) {
let mut value: usize = 0; let mut value: usize = 0;
for i in 0..33 { for i in 0usize..33 {
let byte = buf.get_u8(); let byte = buf.get_u8();
if byte < 128 { if byte < 128 {
value |= usize::from(byte) << (i * 7); value |= usize::from(byte) << (i * 7);