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34 lines
1.2 KiB
Rust
34 lines
1.2 KiB
Rust
use super::{BranchNodeCompact, StoredNibblesSubKey};
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/// Account storage trie node.
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
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#[cfg_attr(any(test, feature = "serde"), derive(serde::Serialize, serde::Deserialize))]
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pub struct StorageTrieEntry {
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/// The nibbles of the intermediate node
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pub nibbles: StoredNibblesSubKey,
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/// Encoded node.
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pub node: BranchNodeCompact,
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}
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// NOTE: Removing reth_codec and manually encode subkey
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// and compress second part of the value. If we have compression
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// over whole value (Even SubKey) that would mess up fetching of values with seek_by_key_subkey
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#[cfg(any(test, feature = "reth-codec"))]
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impl reth_codecs::Compact for StorageTrieEntry {
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fn to_compact<B>(&self, buf: &mut B) -> usize
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where
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B: bytes::BufMut + AsMut<[u8]>,
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{
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let nibbles_len = self.nibbles.to_compact(buf);
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let node_len = self.node.to_compact(buf);
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nibbles_len + node_len
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}
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fn from_compact(buf: &[u8], len: usize) -> (Self, &[u8]) {
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let (nibbles, buf) = StoredNibblesSubKey::from_compact(buf, 33);
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let (node, buf) = BranchNodeCompact::from_compact(buf, len - 33);
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let this = Self { nibbles, node };
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(this, buf)
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}
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}
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