Merge branch 'brent/fix-dec-display' (#1774)

* origin/brent/fix-dec-display:
  changelog: #1774
  fix Display for Dec

.changelog/unreleased/bug-fixes/1774-fix-dec-display.md

@@ -0,0 +1,2 @@
+- Fixes buggy Display for the Dec type when the number is some multiple of 10
+  ([\#1774](https://github.com/anoma/namada/pull/1774))

core/src/types/dec.rs

@@ -410,7 +410,8 @@ impl Display for Dec {
             str_pre.push_str(string.as_str());
             string = str_pre;
         };
-        let stripped_string = string.trim_end_matches(['.', '0']);
+        let stripped_string = string.trim_end_matches('0');
+        let stripped_string = stripped_string.trim_end_matches('.');
         if stripped_string.is_empty() {
             f.write_str("0")
         } else if is_neg {
@@ -620,4 +621,11 @@ mod test_dec {
         let larger = Dec::from_str("32418116583.390243854642").unwrap();
         assert!(smaller < larger);
     }
+
+    #[test]
+    fn test_dec_display() {
+        let num = Dec::from_str("14000.0000").unwrap();
+        let s = format!("{}", num);
+        assert_eq!(s, String::from("14000"));
+    }
 }