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solana-with-rpc-optimizations
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Check shred type in is_duplicate (#14050)

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sakridge 2020-12-10 18:20:08 -08:00 committed by GitHub
parent 164b7895b3
commit aa2751e614
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2 changed files with 32 additions and 9 deletions
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9
core/src/window_service.rs
View File

@ -88,9 +88,12 @@ fn run_check_duplicate(
) -> Result<()> { ) -> Result<()> {
let check_duplicate = |shred: Shred| -> Result<()> { let check_duplicate = |shred: Shred| -> Result<()> {
if !blockstore.has_duplicate_shreds_in_slot(shred.slot()) { if !blockstore.has_duplicate_shreds_in_slot(shred.slot()) {
if let Some(existing_shred_payload) = if let Some(existing_shred_payload) = blockstore.is_shred_duplicate(
blockstore.is_shred_duplicate(shred.slot(), shred.index(), &shred.payload) shred.slot(),
{ shred.index(),
&shred.payload,
shred.is_data(),
) {
blockstore.store_duplicate_slot( blockstore.store_duplicate_slot(
shred.slot(), shred.slot(),
existing_shred_payload, existing_shred_payload,

32
ledger/src/blockstore.rs
View File

@ -2714,10 +2714,20 @@ impl Blockstore {
// Returns the existing shred if `new_shred` is not equal to the existing shred at the // Returns the existing shred if `new_shred` is not equal to the existing shred at the
// given slot and index as this implies the leader generated two different shreds with // given slot and index as this implies the leader generated two different shreds with
// the same slot and index // the same slot and index
pub fn is_shred_duplicate(&self, slot: u64, index: u32, new_shred: &[u8]) -> Option<Vec<u8>> { pub fn is_shred_duplicate(
let res = self &self,
.get_data_shred(slot, index as u64) slot: u64,
.expect("fetch from DuplicateSlots column family failed"); index: u32,
new_shred: &[u8],
is_data: bool,
) -> Option<Vec<u8>> {
let res = if is_data {
self.get_data_shred(slot, index as u64)
.expect("fetch from DuplicateSlots column family failed")
} else {
self.get_coding_shred(slot, index as u64)
.expect("fetch from DuplicateSlots column family failed")
};
res.map(|existing_shred| { res.map(|existing_shred| {
if existing_shred != new_shred { if existing_shred != new_shred {
@ -7279,11 +7289,21 @@ pub mod tests {
// Check if shreds are duplicated // Check if shreds are duplicated
assert_eq!( assert_eq!(
blockstore.is_shred_duplicate(slot, 0, &duplicate_shred.payload), blockstore.is_shred_duplicate(
slot,
0,
&duplicate_shred.payload,
duplicate_shred.is_data()
),
Some(shred.payload.clone()) Some(shred.payload.clone())
); );
assert!(blockstore assert!(blockstore
.is_shred_duplicate(slot, 0, &non_duplicate_shred.payload) .is_shred_duplicate(
slot,
0,
&non_duplicate_shred.payload,
duplicate_shred.is_data()
)
.is_none()); .is_none());
// Store a duplicate shred // Store a duplicate shred