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Co-authored-by: Alessandro Mazza <121622391+alessandromazza98@users.noreply.github.com> Co-authored-by: Supernovahs.eth <91280922+supernovahs@users.noreply.github.com> Co-authored-by: Oliver Nordbjerg <hi@notbjerg.me>
37 lines
1010 B
Rust
37 lines
1010 B
Rust
use crate::{Address, Bloom, Bytes, B256};
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use alloy_rlp::{RlpDecodable, RlpEncodable};
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use reth_codecs::{main_codec, Compact};
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/// Ethereum Log
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#[main_codec(rlp)]
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#[derive(Clone, Debug, PartialEq, Eq, RlpDecodable, RlpEncodable, Default)]
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pub struct Log {
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/// Contract that emitted this log.
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pub address: Address,
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/// Topics of the log. The number of logs depend on what `LOG` opcode is used.
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#[cfg_attr(
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any(test, feature = "arbitrary"),
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proptest(
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strategy = "proptest::collection::vec(proptest::arbitrary::any::<B256>(), 0..=5)"
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)
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)]
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pub topics: Vec<B256>,
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/// Arbitrary length data.
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pub data: Bytes,
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}
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/// Calculate receipt logs bloom.
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pub fn logs_bloom<'a, It>(logs: It) -> Bloom
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where
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It: IntoIterator<Item = &'a Log>,
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{
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let mut bloom = Bloom::ZERO;
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for log in logs {
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bloom.m3_2048(log.address.as_slice());
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for topic in &log.topics {
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bloom.m3_2048(topic.as_slice());
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}
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}
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bloom
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}
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