safe lovelace conversion

spacebudz · Jan 31, 2025 · 524f79e · 524f79e
1 parent cb3435b
commit 524f79e
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diff --git a/src/core/libs/lucid_core/pkg/lucid_core_bg.wasm b/src/core/libs/lucid_core/pkg/lucid_core_bg.wasm
diff --git a/src/core/libs/lucid_core/src/codec.rs b/src/core/libs/lucid_core/src/codec.rs
@@ -565,7 +565,8 @@ impl TryFrom<Assets> for Value {
     type Error = CoreErr;
     fn try_from(assets: Assets) -> Result<Self, Self::Error> {
         let mut assets_inner = assets.0.clone();
-        let lovelace = assets_inner.remove("lovelace").unwrap_or(0) as u64;
+        let lovelace = u64::try_from(assets_inner.remove("lovelace").unwrap_or(0))
+            .map_err(|_| CoreError::msg("lovelace cannot be negative"))?;
         if assets_inner.len() > 0 {
             let mut value: BTreeMap<Vec<u8>, BTreeMap<Vec<u8>, i128>> = BTreeMap::new();
             for (unit, quantity) in assets_inner.into_iter() {