-
Notifications
You must be signed in to change notification settings - Fork 4.4k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Separate file for ImmutableDeserializedPacket type
- Loading branch information
Showing
5 changed files
with
149 additions
and
105 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| use { | ||
| crate::transaction_priority_details::{ | ||
| GetTransactionPriorityDetails, TransactionPriorityDetails, | ||
| }, | ||
| solana_perf::packet::Packet, | ||
| solana_sdk::{ | ||
| hash::Hash, | ||
| message::Message, | ||
| sanitize::SanitizeError, | ||
| short_vec::decode_shortu16_len, | ||
| signature::Signature, | ||
| transaction::{SanitizedVersionedTransaction, VersionedTransaction}, | ||
| }, | ||
| std::{cmp::Ordering, mem::size_of}, | ||
| thiserror::Error, | ||
| }; | ||
|
|
||
| #[derive(Debug, Error)] | ||
| pub enum DeserializedPacketError { | ||
| #[error("ShortVec Failed to Deserialize")] | ||
| // short_vec::decode_shortu16_len() currently returns () on error | ||
| ShortVecError(()), | ||
| #[error("Deserialization Error: {0}")] | ||
| DeserializationError(#[from] bincode::Error), | ||
| #[error("overflowed on signature size {0}")] | ||
| SignatureOverflowed(usize), | ||
| #[error("packet failed sanitization {0}")] | ||
| SanitizeError(#[from] SanitizeError), | ||
| #[error("transaction failed prioritization")] | ||
| PrioritizationFailure, | ||
| } | ||
|
|
||
| #[derive(Debug, PartialEq, Eq)] | ||
| pub struct ImmutableDeserializedPacket { | ||
| original_packet: Packet, | ||
| transaction: SanitizedVersionedTransaction, | ||
| message_hash: Hash, | ||
| is_simple_vote: bool, | ||
| priority_details: TransactionPriorityDetails, | ||
| } | ||
|
|
||
| impl ImmutableDeserializedPacket { | ||
| pub fn new( | ||
| packet: Packet, | ||
| priority_details: Option<TransactionPriorityDetails>, | ||
| ) -> Result<Self, DeserializedPacketError> { | ||
| let versioned_transaction: VersionedTransaction = packet.deserialize_slice(..)?; | ||
| let sanitized_transaction = SanitizedVersionedTransaction::try_from(versioned_transaction)?; | ||
| let message_bytes = packet_message(&packet)?; | ||
| let message_hash = Message::hash_raw_message(message_bytes); | ||
| let is_simple_vote = packet.meta.is_simple_vote_tx(); | ||
|
|
||
| // drop transaction if prioritization fails. | ||
| let priority_details = priority_details | ||
| .or_else(|| sanitized_transaction.get_transaction_priority_details()) | ||
| .ok_or(DeserializedPacketError::PrioritizationFailure)?; | ||
|
|
||
| Ok(Self { | ||
| original_packet: packet, | ||
| transaction: sanitized_transaction, | ||
| message_hash, | ||
| is_simple_vote, | ||
| priority_details, | ||
| }) | ||
| } | ||
|
|
||
| pub fn original_packet(&self) -> &Packet { | ||
| &self.original_packet | ||
| } | ||
|
|
||
| pub fn transaction(&self) -> &SanitizedVersionedTransaction { | ||
| &self.transaction | ||
| } | ||
|
|
||
| pub fn message_hash(&self) -> &Hash { | ||
| &self.message_hash | ||
| } | ||
|
|
||
| pub fn is_simple_vote(&self) -> bool { | ||
| self.is_simple_vote | ||
| } | ||
|
|
||
| pub fn priority(&self) -> u64 { | ||
| self.priority_details.priority | ||
| } | ||
|
|
||
| pub fn compute_unit_limit(&self) -> u64 { | ||
| self.priority_details.compute_unit_limit | ||
| } | ||
| } | ||
|
|
||
| impl PartialOrd for ImmutableDeserializedPacket { | ||
| fn partial_cmp(&self, other: &Self) -> Option<Ordering> { | ||
| Some(self.cmp(other)) | ||
| } | ||
| } | ||
|
|
||
| impl Ord for ImmutableDeserializedPacket { | ||
| fn cmp(&self, other: &Self) -> Ordering { | ||
| self.priority().cmp(&other.priority()) | ||
| } | ||
| } | ||
|
|
||
| /// Read the transaction message from packet data | ||
| fn packet_message(packet: &Packet) -> Result<&[u8], DeserializedPacketError> { | ||
| let (sig_len, sig_size) = packet | ||
| .data(..) | ||
| .and_then(|bytes| decode_shortu16_len(bytes).ok()) | ||
| .ok_or(DeserializedPacketError::ShortVecError(()))?; | ||
| sig_len | ||
| .checked_mul(size_of::<Signature>()) | ||
| .and_then(|v| v.checked_add(sig_size)) | ||
| .and_then(|msg_start| packet.data(msg_start..)) | ||
| .ok_or(DeserializedPacketError::SignatureOverflowed(sig_size)) | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use { | ||
| super::*, | ||
| solana_sdk::{signature::Keypair, system_transaction}, | ||
| }; | ||
|
|
||
| #[test] | ||
| fn simple_deserialized_packet() { | ||
| let tx = system_transaction::transfer( | ||
| &Keypair::new(), | ||
| &solana_sdk::pubkey::new_rand(), | ||
| 1, | ||
| Hash::new_unique(), | ||
| ); | ||
| let packet = Packet::from_data(None, &tx).unwrap(); | ||
| let deserialized_packet = ImmutableDeserializedPacket::new(packet, None); | ||
|
|
||
| assert!(matches!(deserialized_packet, Ok(_))); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters