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Add local cluster test to repro slot hash expiry bug (#21873)

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This commit is contained in:
Ashwin Sekar
2022-01-10 00:58:21 -05:00
committed by GitHub
parent 39327ec753
commit eeec1ce2ad
4 changed files with 250 additions and 9 deletions
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18
sdk/program/src/slot_hashes.rs
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@ -7,9 +7,23 @@ use {
std::{iter::FromIterator, ops::Deref},
};
pub use crate::clock::Slot;
pub const MAX_ENTRIES: usize = 512; // about 2.5 minutes to get your vote in
pub use crate::clock::Slot;
// This is to allow tests with custom slot hash expiry to avoid having to generate
// 512 blocks for such tests.
static mut NUM_ENTRIES: usize = MAX_ENTRIES;
pub fn get_entries() -> usize {
unsafe { NUM_ENTRIES }
}
pub fn set_entries_for_tests_only(_entries: usize) {
unsafe {
NUM_ENTRIES = _entries;
}
}
pub type SlotHash = (Slot, Hash);
@ -23,7 +37,7 @@ impl SlotHashes {
Ok(index) => (self.0)[index] = (slot, hash),
Err(index) => (self.0).insert(index, (slot, hash)),
}
(self.0).truncate(MAX_ENTRIES);
(self.0).truncate(get_entries());
}
pub fn position(&self, slot: &Slot) -> Option<usize> {
self.binary_search_by(|(probe, _)| slot.cmp(probe)).ok()