revert to non-wrapping lower_n_bits

iotaledger · Oct 12, 2023 · ae8c131 · ae8c131
1 parent b1d064c
commit ae8c131
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sdk/src/types/block/mana/structure.rs b/sdk/src/types/block/mana/structure.rs
@@ -211,7 +211,7 @@ const fn upper_bits(v: u64) -> u64 {
 /// Returns the lower n bits of a u64 value.
 const fn lower_n_bits(v: u64, n: u8) -> u64 {
     debug_assert!(n <= 64);
-    v & ((1 << n) - 1)
+    v & u64::MAX >> (64 - n)
 }
 
 /// Returns the lower 32 bits of a u64 value.