[2.0] Use impl Into<_> for Coin constructor

CHANGELOG.md

@@ -19,11 +19,15 @@ and this project adheres to
   ([#1874])
 - cosmwasm-vm: Make `CacheOptions` non-exhaustive and add a constructor.
   ([#1898])
+- cosmwasm-std: `Coin::new` now takes `Into<Uint128>` instead of `u128` as the
+  first argument and `DecCoin::new` takes `Into<Decimal256>` instead of
+  `Decimal256`. ([#1902])
 
 [#1874]: https://github.com/CosmWasm/cosmwasm/pull/1874
 [#1879]: https://github.com/CosmWasm/cosmwasm/pull/1879
 [#1890]: https://github.com/CosmWasm/cosmwasm/pull/1890
 [#1898]: https://github.com/CosmWasm/cosmwasm/pull/1898
+[#1902]: https://github.com/CosmWasm/cosmwasm/pull/1902
 
 ## [1.5.0-rc.0]
 

MIGRATING.md

@@ -62,6 +62,13 @@ major releases of `cosmwasm`. Note that you can also view the
   +Uint128::new(123456).mul_floor(Decimal::percent(1));
   ```
 
+- When calling `Coin::new`, you now have to explicitly specify the integer type:
+
+  ```diff
+  -Coin::new(1234, "uatom")
+  +Coin::new(1234u128, "uatom")
+  ```
+
 ## 1.4.x -> 1.5.0
 
 - Update `cosmwasm-*` dependencies in Cargo.toml (skip the ones you don't use):

packages/std/src/coin.rs

@@ -11,9 +11,9 @@ pub struct Coin {
 }
 
 impl Coin {
-    pub fn new(amount: u128, denom: impl Into<String>) -> Self {
+    pub fn new(amount: impl Into<Uint128>, denom: impl Into<String>) -> Self {
         Coin {
-            amount: Uint128::new(amount),
+            amount: amount.into(),
             denom: denom.into(),
         }
     }
@@ -195,16 +195,16 @@ mod tests {
 
     #[test]
     fn parse_coin() {
-        let expected = Coin::new(123, "ucosm");
+        let expected = Coin::new(123u128, "ucosm");
         assert_eq!("123ucosm".parse::<Coin>().unwrap(), expected);
         // leading zeroes should be ignored
         assert_eq!("00123ucosm".parse::<Coin>().unwrap(), expected);
         // 0 amount parses correctly
-        assert_eq!("0ucosm".parse::<Coin>().unwrap(), Coin::new(0, "ucosm"));
+        assert_eq!("0ucosm".parse::<Coin>().unwrap(), Coin::new(0u128, "ucosm"));
         // ibc denom should work
         let ibc_str = "11111ibc/27394FB092D2ECCD56123C74F36E4C1F926001CEADA9CA97EA622B25F41E5EB2";
         let ibc_coin = Coin::new(
-            11111,
+            11111u128,
             "ibc/27394FB092D2ECCD56123C74F36E4C1F926001CEADA9CA97EA622B25F41E5EB2",
         );
         assert_eq!(ibc_str.parse::<Coin>().unwrap(), ibc_coin);
@@ -244,7 +244,7 @@ mod tests {
 
     #[test]
     fn debug_coin() {
-        let coin = Coin::new(123, "ucosm");
+        let coin = Coin::new(123u128, "ucosm");
         assert_eq!(format!("{coin:?}"), r#"Coin { 123 "ucosm" }"#);
     }
 }

packages/std/src/ibc.rs

@@ -791,7 +791,7 @@ mod tests {
         let msg = IbcMsg::Transfer {
             channel_id: "channel-123".to_string(),
             to_address: "my-special-addr".into(),
-            amount: Coin::new(12345678, "uatom"),
+            amount: Coin::new(12345678u128, "uatom"),
             timeout: IbcTimeout::with_timestamp(Timestamp::from_nanos(1234567890)),
         };
         let encoded = to_string(&msg).unwrap();

packages/std/src/query/bank.rs

@@ -106,11 +106,11 @@ mod tests {
 
     #[test]
     fn private_constructor_works() {
-        let response = AllBalanceResponse::new(vec![Coin::new(1234, "uatom")]);
+        let response = AllBalanceResponse::new(vec![Coin::new(1234u128, "uatom")]);
         assert_eq!(
             response,
             AllBalanceResponse {
-                amount: vec![Coin::new(1234, "uatom")]
+                amount: vec![Coin::new(1234u128, "uatom")]
             }
         );
     }

packages/std/src/query/distribution.rs

@@ -1,7 +1,7 @@
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
-use crate::Addr;
+use crate::{Addr, Decimal256};
 
 use super::query_response::QueryResponseType;
 
@@ -63,14 +63,14 @@ pub struct DecCoin {
     ///
     /// Some chains have choosen atto (10^-18) for their token's base denomination. If we used `Decimal` here, we could only store
     /// 340282366920938463463.374607431768211455atoken which is 340.28 TOKEN.
-    pub amount: crate::Decimal256,
+    pub amount: Decimal256,
 }
 
 impl DecCoin {
-    pub fn new(amount: crate::Decimal256, denom: impl Into<String>) -> Self {
+    pub fn new(amount: impl Into<Decimal256>, denom: impl Into<String>) -> Self {
         Self {
             denom: denom.into(),
-            amount,
+            amount: amount.into(),
         }
     }
 }