Created nymd internal coin

common/client-libs/validator-client/src/nymd/coin.rs

@@ -0,0 +1,44 @@
+// Copyright 2022 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+use std::fmt;
+
+pub use cosmrs::Coin as CosmosCoin;
+pub use cosmwasm_std::Coin as CosmWasmCoin;
+
+// the reason the coin is created here as opposed to different place in the codebase is that
+// eventually we want to either publish the cosmwasm client separately or commit it to
+// some other project, like cosmrs. Either way, in that case we can't really have
+// a dependency on an internal type
+pub struct Coin {
+    pub amount: u128,
+    pub denom: String,
+}
+
+impl fmt::Display for Coin {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{}{}", self.amount, self.denom)
+    }
+}
+
+impl From<Coin> for CosmosCoin {
+    fn from(coin: Coin) -> Self {
+        assert!(
+            coin.amount <= u64::MAX as u128,
+            "the coin amount is higher than the maximum supported by cosmrs"
+        );
+
+        CosmosCoin {
+            denom: coin
+                .denom
+                .parse()
+                .expect("the coin should have had a valid denom!"),
+            amount: (coin.amount as u64).into(),
+        }
+    }
+}
+
+impl From<Coin> for CosmWasmCoin {
+    fn from(coin: Coin) -> Self {
+        CosmWasmCoin::new(coin.amount, coin.denom)
+    }
+}

common/client-libs/validator-client/src/nymd/mod.rs

@@ -46,6 +46,7 @@ pub use cosmrs::{bip32, AccountId, Decimal, Denom};
 pub use signing_client::Client as SigningNymdClient;
 pub use traits::{VestingQueryClient, VestingSigningClient};
 
+pub mod coin;
 pub mod cosmwasm_client;
 pub mod error;
 pub mod fee;