add chain name to token_id derivation

move/interchain_token_service/sources/types/token_id.move

@@ -34,6 +34,7 @@ public fun to_u256(token_id: &TokenId): u256 {
 }
 
 public fun from_info<T>(
+    chain_name: &ascii::String,
     name: &String,
     symbol: &ascii::String,
     decimals: &u8,
@@ -42,6 +43,7 @@ public fun from_info<T>(
 ): TokenId {
     let mut vec = address::from_u256(PREFIX_SUI_TOKEN_ID).to_bytes();
     vec.append(bcs::to_bytes(&type_name::get<T>()));
+    vec.append(bcs::to_bytes(chain_name));
     vec.append(bcs::to_bytes(name));
     vec.append(bcs::to_bytes(symbol));
     vec.append(bcs::to_bytes(decimals));
@@ -51,10 +53,12 @@ public fun from_info<T>(
 }
 
 public(package) fun from_coin_data<T>(
+    chain_name: &ascii::String,
     coin_info: &CoinInfo<T>,
     coin_management: &CoinManagement<T>,
 ): TokenId {
     from_info<T>(
+        chain_name,
         &coin_info.name(),
         &coin_info.symbol(),
         &coin_info.decimals(),

move/interchain_token_service/sources/versioned/interchain_token_service_v0.move

@@ -201,7 +201,7 @@ public(package) fun register_coin<T>(
     coin_info: CoinInfo<T>,
     coin_management: CoinManagement<T>,
 ): TokenId {
-    let token_id = token_id::from_coin_data(&coin_info, &coin_management);
+    let token_id = token_id::from_coin_data(self.chain_name(), &coin_info, &coin_management);
 
     self.add_registered_coin(token_id, coin_management, coin_info);
 
@@ -493,8 +493,8 @@ public(package) fun disallow_function(
     self.version_control.disallow_function(version, function_name);
 }
 
-public(package) fun chain_name(self: &InterchainTokenService_v0): String {
-    self.chain_name
+public(package) fun chain_name(self: &InterchainTokenService_v0): &String {
+    &self.chain_name
 }
 
 // -----------------