Add address lookup table program (#21616)

* Add address lookup table program * feedback
2021-12-10 16:02:16 -05:00
parent a5a0dabe7b
commit 9b41ddd9ba
21 changed files with 1665 additions and 4 deletions
--- a/sdk/program/src/slot_hashes.rs
+++ b/sdk/program/src/slot_hashes.rs
@ -25,6 +25,9 @@ impl SlotHashes {
        }
        (self.0).truncate(MAX_ENTRIES);
    }
+    pub fn position(&self, slot: &Slot) -> Option<usize> {
+        self.binary_search_by(|(probe, _)| slot.cmp(probe)).ok()
+    }
    #[allow(clippy::trivially_copy_pass_by_ref)]
    pub fn get(&self, slot: &Slot) -> Option<&Hash> {
        self.binary_search_by(|(probe, _)| slot.cmp(probe))