Add asserts to ensure block heights are not too large.

2026-03-14 10:22:38 +00:00 · 2019-02-20 12:36:54 +11:00
parent d8584cbed2
commit 2fbdc53147
2 changed files with 8 additions and 2 deletions
--- a/eth2/types/src/slot_epoch_macros.rs
+++ b/eth2/types/src/slot_epoch_macros.rs
@@ -25,12 +25,14 @@ macro_rules! impl_into_u32 {
    ($main: ident) => {
        impl Into<u32> for $main {
            fn into(self) -> u32 {
+                assert!(self.0 < u64::from(std::u32::MAX), "Lossy conversion to u32");
                self.0 as u32
            }
        }

        impl $main {
            pub fn as_u32(&self) -> u32 {
+                assert!(self.0 < u64::from(std::u32::MAX), "Lossy conversion to u32");
                self.0 as u32
            }
        }