Coin uses same output for Debug as Display

Author: ethanfrey

packages/std/src/coin.rs

@@ -4,7 +4,7 @@ use std::fmt;
 
 use crate::math::Uint128;
 
-#[derive(Serialize, Deserialize, Clone, Default, Debug, PartialEq, Eq, JsonSchema)]
+#[derive(Serialize, Deserialize, Clone, Default, PartialEq, Eq, JsonSchema)]
 pub struct Coin {
     pub denom: String,
     pub amount: Uint128,
@@ -19,6 +19,12 @@ impl Coin {
     }
 }
 
+impl fmt::Debug for Coin {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}{}", self.amount, self.denom)
+    }
+}
+
 impl fmt::Display for Coin {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         // We use the formatting without a space between amount and denom,
@@ -166,4 +172,10 @@ mod tests {
         // less than same type
         assert!(has_coins(&wallet, &coin(777, "ETH")));
     }
+
+    #[test]
+    fn debug_coin() {
+        let coin = Coin::new(123, "ucosm");
+        assert_eq!(format!("{:?}", coin), "123ucosm");
+    }
 }