feat: add register_coin_with_cap function

.changeset/hungry-days-glow.md

@@ -0,0 +1,5 @@
+---
+'@axelar-network/axelar-cgp-sui': patch
+---
+
+Support mint/burn token register mode in Example module

move/example/sources/its/its.move

@@ -11,7 +11,7 @@ module example::its {
     };
     use relayer_discovery::{discovery::RelayerDiscovery, transaction::{Self, Transaction}};
     use std::{ascii::{Self, String}, type_name};
-    use sui::{address, clock::Clock, coin::{CoinMetadata, Coin}, event, hex, sui::SUI};
+    use sui::{address, clock::Clock, coin::{CoinMetadata, Coin, TreasuryCap}, event, hex, sui::SUI};
 
     // -------
     // Structs
@@ -136,6 +136,26 @@ module example::its {
         )
     }
 
+    /// Registers a coin with the Interchain Token Service (ITS), using the provided `TreasuryCap` to manage the coin.
+    /// The `TreasuryCap` gives the ITS control over minting and burning of this coin.
+    public fun register_coin_with_cap<TOKEN>(
+        its: &mut InterchainTokenService,
+        coin_metadata: &CoinMetadata<TOKEN>,
+        treasury_cap: TreasuryCap<TOKEN>,
+    ): TokenId {
+        let coin_info = coin_info::from_info<TOKEN>(
+            coin_metadata.get_name(),
+            coin_metadata.get_symbol(),
+            coin_metadata.get_decimals(),
+        );
+        let coin_management = coin_management::new_with_cap(treasury_cap);
+
+        its.register_coin(
+            coin_info,
+            coin_management,
+        )
+    }
+
     public fun deploy_remote_interchain_token<TOKEN>(
         its: &mut InterchainTokenService,
         gateway: &mut Gateway,

test/testdata/interface_example_its.json

@@ -62,6 +62,16 @@
         "coin_metadata#0#0": "&CoinMetadata<TOKEN>"
       },
       "returnType": "TokenId"
+    },
+    "register_coin_with_cap<TOKEN>": {
+      "name": "register_coin_with_cap<TOKEN>",
+      "visibility": "public",
+      "params": {
+        "its#0#0": "&mut InterchainTokenService",
+        "coin_metadata#0#0": "&CoinMetadata<TOKEN>",
+        "treasury_cap#0#0": "TreasuryCap<TOKEN>"
+      },
+      "returnType": "TokenId"
     }
   }
 }