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Added TinyRlp encoding for bloom filter and logs #1117

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Added TinyRlp encoding for bloom filter and logs #1117

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16 changes: 5 additions & 11 deletions zkevm-circuits/src/witness/receipt.rs
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Original file line number Diff line number Diff line change
@@ -1,13 +1,11 @@
use ethers_core::{
types::{Bloom, Log},
utils::rlp::{Encodable, RlpStream},
utils::rlp::{Encodable, RlpStream, TinyRlp},
};

/// EVM log's receipt.
#[derive(Clone, Debug, Default)]
pub struct Receipt {
/// Denotes the ID of the tx.
pub id: usize,
/// Denotes whether or not the tx was executed successfully.
pub status: u8,
/// Denotes the cumulative gas used by the tx execution.
Expand All @@ -23,13 +21,9 @@ impl Encodable for Receipt {
s.begin_list(4);
s.append(&self.status);
s.append(&self.cumulative_gas_used);
s.append(&self.bloom);
s.begin_list(self.logs.len());
for log in self.logs.iter() {
s.begin_list(3);
s.append(&log.address);
s.append_list(&log.topics);
s.append(&log.data.0);
}
// Encode bloom filter using TinyRlp to reduce code size
s.append(&TinyRlp(&self.bloom.0));
// Use TinyRlp to encode logs to reduce code size
s.append_list(&self.logs.iter().map(|log| TinyRlp(log)).collect::<Vec<_>>());
}
}
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