From 3f718feb41609fa459eaee377556b66b73371827 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C4=99drzej=20Stuczy=C5=84ski?=
 <jedrzej.stuczynski@gmail.com>
Date: Mon, 30 May 2022 11:22:44 +0100
Subject: [PATCH] Created nymd internal coin

---
 .../validator-client/src/nymd/coin.rs         | 44 +++++++++++++++++++
 .../validator-client/src/nymd/mod.rs          |  1 +
 2 files changed, 45 insertions(+)
 create mode 100644 common/client-libs/validator-client/src/nymd/coin.rs

diff --git a/common/client-libs/validator-client/src/nymd/coin.rs b/common/client-libs/validator-client/src/nymd/coin.rs
new file mode 100644
index 0000000000..375af42372
--- /dev/null
+++ b/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)
+    }
+}
diff --git a/common/client-libs/validator-client/src/nymd/mod.rs b/common/client-libs/validator-client/src/nymd/mod.rs
index 03adeb8e5b..cef740c993 100644
--- a/common/client-libs/validator-client/src/nymd/mod.rs
+++ b/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;