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perf: iterate through nibbles (#17820)

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Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>
This commit is contained in:
daksh
2025-08-13 00:24:35 +05:30
committed by GitHub
parent 810790c767
commit 443d16f6f7
3 changed files with 9 additions and 5 deletions
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4
Cargo.lock generated
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@@ -5986,9 +5986,9 @@ dependencies = [
[[package]]
name = "nybbles"
version = "0.4.1"
version = "0.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "675b3a54e5b12af997abc8b6638b0aee51a28caedab70d4967e0d5db3a3f1d06"
checksum = "2ff79de40513a478a9e374a480f897c2df829d48dcc64a83e4792a57fe231c64"
dependencies = [
"alloy-rlp",
"arbitrary",

2
Cargo.toml
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@@ -546,7 +546,7 @@ linked_hash_set = "0.1"
lz4 = "1.28.1"
modular-bitfield = "0.11.2"
notify = { version = "8.0.0", default-features = false, features = ["macos_fsevent"] }
nybbles = { version = "0.4.0", default-features = false }
nybbles = { version = "0.4.2", default-features = false }
once_cell = { version = "1.19", default-features = false, features = ["critical-section"] }
parking_lot = "0.12"
paste = "1.0"

8
crates/trie/common/src/nibbles.rs
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@@ -28,7 +28,9 @@ impl reth_codecs::Compact for StoredNibbles {
where
B: bytes::BufMut + AsMut<[u8]>,
{
buf.put_slice(&self.0.to_vec());
for i in self.0.iter() {
buf.put_u8(i);
}
self.0.len()
}
@@ -77,7 +79,9 @@ impl reth_codecs::Compact for StoredNibblesSubKey {
assert!(self.0.len() <= 64);
// right-pad with zeros
buf.put_slice(&self.0.to_vec());
for i in self.0.iter() {
buf.put_u8(i);
}
static ZERO: &[u8; 64] = &[0; 64];
buf.put_slice(&ZERO[self.0.len()..]);