Fix the padding bug for Uint256 and Uint512

CosmWasm · Sep 2, 2021 · eb2284f · eb2284f
1 parent f00fafd
commit eb2284f
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/packages/std/src/math/uint256.rs b/packages/std/src/math/uint256.rs
@@ -222,7 +222,11 @@ impl From<Uint256> for String {
 
 impl fmt::Display for Uint256 {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        self.0.fmt(f)
+        // The inner type doesn't work as expected with padding, so we
+        // work around that.
+        let unpadded = self.0.to_string();
+
+        f.pad_integral(true, "", &unpadded)
     }
 }
 

diff --git a/packages/std/src/math/uint512.rs b/packages/std/src/math/uint512.rs
@@ -253,7 +253,11 @@ impl From<Uint512> for String {
 
 impl fmt::Display for Uint512 {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        self.0.fmt(f)
+        // The inner type doesn't work as expected with padding, so we
+        // work around that.
+        let unpadded = self.0.to_string();
+
+        f.pad_integral(true, "", &unpadded)
     }
 }