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feat: ethereum-specific receipt (#13295)
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Original file line number | Diff line number | Diff line change |
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use alloc::vec::Vec; | ||
use alloy_consensus::{ | ||
Eip2718EncodableReceipt, Eip658Value, ReceiptWithBloom, RlpDecodableReceipt, | ||
RlpEncodableReceipt, TxReceipt, TxType, Typed2718, | ||
}; | ||
use alloy_primitives::{Bloom, Log}; | ||
use alloy_rlp::{BufMut, Decodable, Encodable, Header}; | ||
use reth_primitives_traits::InMemorySize; | ||
use serde::{Deserialize, Serialize}; | ||
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/// Typed ethereum transaction receipt. | ||
/// Receipt containing result of transaction execution. | ||
#[derive(Clone, Debug, PartialEq, Eq, Default, Serialize, Deserialize)] | ||
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))] | ||
#[cfg_attr(feature = "reth-codec", derive(reth_codecs::CompactZstd))] | ||
#[cfg_attr(feature = "reth-codec", reth_codecs::add_arbitrary_tests)] | ||
#[cfg_attr(feature = "reth-codec", reth_zstd( | ||
compressor = reth_zstd_compressors::RECEIPT_COMPRESSOR, | ||
decompressor = reth_zstd_compressors::RECEIPT_DECOMPRESSOR | ||
))] | ||
pub struct Receipt { | ||
/// Receipt type. | ||
#[serde(with = "tx_type_serde")] | ||
pub tx_type: TxType, | ||
/// If transaction is executed successfully. | ||
/// | ||
/// This is the `statusCode` | ||
pub success: bool, | ||
/// Gas used | ||
pub cumulative_gas_used: u64, | ||
/// Log send from contracts. | ||
pub logs: Vec<Log>, | ||
} | ||
|
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impl Receipt { | ||
/// Returns length of RLP-encoded receipt fields with the given [`Bloom`] without an RLP header. | ||
pub fn rlp_encoded_fields_length(&self, bloom: &Bloom) -> usize { | ||
self.success.length() + | ||
self.cumulative_gas_used.length() + | ||
bloom.length() + | ||
self.logs.length() | ||
} | ||
|
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/// RLP-encodes receipt fields with the given [`Bloom`] without an RLP header. | ||
pub fn rlp_encode_fields(&self, bloom: &Bloom, out: &mut dyn BufMut) { | ||
self.success.encode(out); | ||
self.cumulative_gas_used.encode(out); | ||
bloom.encode(out); | ||
self.logs.encode(out); | ||
} | ||
|
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/// Returns RLP header for inner encoding. | ||
pub fn rlp_header_inner(&self, bloom: &Bloom) -> Header { | ||
Header { list: true, payload_length: self.rlp_encoded_fields_length(bloom) } | ||
} | ||
|
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/// RLP-decodes the receipt from the provided buffer. This does not expect a type byte or | ||
/// network header. | ||
pub fn rlp_decode_inner( | ||
buf: &mut &[u8], | ||
tx_type: TxType, | ||
) -> alloy_rlp::Result<ReceiptWithBloom<Self>> { | ||
let header = Header::decode(buf)?; | ||
if !header.list { | ||
return Err(alloy_rlp::Error::UnexpectedString); | ||
} | ||
|
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let remaining = buf.len(); | ||
|
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let success = Decodable::decode(buf)?; | ||
let cumulative_gas_used = Decodable::decode(buf)?; | ||
let logs_bloom = Decodable::decode(buf)?; | ||
let logs = Decodable::decode(buf)?; | ||
|
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if buf.len() + header.payload_length != remaining { | ||
return Err(alloy_rlp::Error::UnexpectedLength); | ||
} | ||
|
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Ok(ReceiptWithBloom { | ||
receipt: Self { cumulative_gas_used, tx_type, success, logs }, | ||
logs_bloom, | ||
}) | ||
} | ||
} | ||
|
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impl Eip2718EncodableReceipt for Receipt { | ||
fn eip2718_encoded_length_with_bloom(&self, bloom: &Bloom) -> usize { | ||
!self.tx_type.is_legacy() as usize + self.rlp_header_inner(bloom).length_with_payload() | ||
} | ||
|
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fn eip2718_encode_with_bloom(&self, bloom: &Bloom, out: &mut dyn BufMut) { | ||
if !self.tx_type.is_legacy() { | ||
out.put_u8(self.tx_type as u8); | ||
} | ||
self.rlp_header_inner(bloom).encode(out); | ||
self.rlp_encode_fields(bloom, out); | ||
} | ||
} | ||
|
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impl RlpEncodableReceipt for Receipt { | ||
fn rlp_encoded_length_with_bloom(&self, bloom: &Bloom) -> usize { | ||
let mut len = self.eip2718_encoded_length_with_bloom(bloom); | ||
if !self.tx_type.is_legacy() { | ||
len += Header { | ||
list: false, | ||
payload_length: self.eip2718_encoded_length_with_bloom(bloom), | ||
} | ||
.length(); | ||
} | ||
|
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len | ||
} | ||
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fn rlp_encode_with_bloom(&self, bloom: &Bloom, out: &mut dyn BufMut) { | ||
if !self.tx_type.is_legacy() { | ||
Header { list: false, payload_length: self.eip2718_encoded_length_with_bloom(bloom) } | ||
.encode(out); | ||
} | ||
self.eip2718_encode_with_bloom(bloom, out); | ||
} | ||
} | ||
|
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impl RlpDecodableReceipt for Receipt { | ||
fn rlp_decode_with_bloom(buf: &mut &[u8]) -> alloy_rlp::Result<ReceiptWithBloom<Self>> { | ||
let header_buf = &mut &**buf; | ||
let header = Header::decode(header_buf)?; | ||
|
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// Legacy receipt, reuse initial buffer without advancing | ||
if header.list { | ||
return Self::rlp_decode_inner(buf, TxType::Legacy) | ||
} | ||
|
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// Otherwise, advance the buffer and try decoding type flag followed by receipt | ||
*buf = *header_buf; | ||
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let remaining = buf.len(); | ||
let tx_type = TxType::decode(buf)?; | ||
let this = Self::rlp_decode_inner(buf, tx_type)?; | ||
|
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if buf.len() + header.payload_length != remaining { | ||
return Err(alloy_rlp::Error::UnexpectedLength); | ||
} | ||
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Ok(this) | ||
} | ||
} | ||
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impl TxReceipt for Receipt { | ||
type Log = Log; | ||
|
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fn status_or_post_state(&self) -> Eip658Value { | ||
self.success.into() | ||
} | ||
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fn status(&self) -> bool { | ||
self.success | ||
} | ||
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fn bloom(&self) -> Bloom { | ||
alloy_primitives::logs_bloom(self.logs()) | ||
} | ||
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fn cumulative_gas_used(&self) -> u128 { | ||
self.cumulative_gas_used as u128 | ||
} | ||
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fn logs(&self) -> &[Log] { | ||
&self.logs | ||
} | ||
} | ||
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impl Typed2718 for Receipt { | ||
fn ty(&self) -> u8 { | ||
self.tx_type as u8 | ||
} | ||
} | ||
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impl InMemorySize for Receipt { | ||
fn size(&self) -> usize { | ||
self.tx_type.size() + | ||
core::mem::size_of::<bool>() + | ||
core::mem::size_of::<u64>() + | ||
self.logs.capacity() * core::mem::size_of::<Log>() | ||
} | ||
} | ||
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impl reth_primitives_traits::Receipt for Receipt {} | ||
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/// TODO: Remove once <https://github.com/alloy-rs/alloy/pull/1780> is released. | ||
mod tx_type_serde { | ||
use alloy_primitives::{U64, U8}; | ||
|
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use super::*; | ||
|
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pub(crate) fn serialize<S>(tx_type: &TxType, serializer: S) -> Result<S::Ok, S::Error> | ||
where | ||
S: serde::Serializer, | ||
{ | ||
let value: U8 = (*tx_type).into(); | ||
value.serialize(serializer) | ||
} | ||
|
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pub(crate) fn deserialize<'de, D>(deserializer: D) -> Result<TxType, D::Error> | ||
where | ||
D: serde::Deserializer<'de>, | ||
{ | ||
U64::deserialize(deserializer)?.try_into().map_err(serde::de::Error::custom) | ||
} | ||
} |
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