fix launch tool to specify the ibcfee version at chain link

contrib/launchtools/README.md

@@ -30,7 +30,7 @@ minitiad launch $TARGET_NETWORK --with-config [path-to-config]
   "l1_config": {
     "chain_id": "initiation-1",
     "rpc_url": "https://rpc.initiation-1.initia.xyz:443",
-    "gas_prices": "0.15uinit"
+    "gas_prices": "0.015uinit"
   },
   "l2_config": {
     "chain_id": "minitia-XDzNjd-1",

contrib/launchtools/config.go

@@ -260,7 +260,7 @@ func (l1config *L1Config) Finalize(buf *bufio.Reader) error {
 	}
 
 	if l1config.GasPrices == "" {
-		l1config.GasPrices = "0.15uinit"
+		l1config.GasPrices = "0.015uinit"
 	}
 
 	_, err := sdk.ParseDecCoins(l1config.GasPrices)

contrib/launchtools/steps/ibc.go

@@ -16,6 +16,9 @@ import (
 	relayertypes "github.com/cosmos/relayer/v2/relayer"
 	relayerconfig "github.com/cosmos/relayer/v2/relayer/chains/cosmos"
 
+	ibcfeetypes "github.com/cosmos/ibc-go/v8/modules/apps/29-fee/types"
+	ibctransfertypes "github.com/cosmos/ibc-go/v8/modules/apps/transfer/types"
+
 	"github.com/initia-labs/OPinit/contrib/launchtools"
 )
 
@@ -238,18 +241,36 @@ func initializeRelayerKeyring(config *launchtools.Config) func(*Relayer) error {
 // link creates a default transfer channel between the chains
 // it does all the heavy lifting of creating the channel, connection, and client
 func link(r *Relayer) error {
-	r.logger.Info("linking chains for relayer...")
+	versionBz, err := json.Marshal(ibcfeetypes.Metadata{
+		FeeVersion: ibcfeetypes.Version,
+		AppVersion: ibctransfertypes.Version,
+	})
+	if err != nil {
+		return err
+	}
+
+	r.logger.Info("linking chains for relayer...", "version", string(versionBz))
 	return r.run([]string{
 		"tx",
 		"link",
 		RelayerPathName,
+		"--version",
+		string(versionBz),
 	})
 }
 
 // linkWithports is the same as link, however ports are specified
 func linkWithPorts(srcPort string, dstPort string, version string) func(*Relayer) error {
 	return func(r *Relayer) error {
-		r.logger.Info("linking chains for relayer...")
+		versionBz, err := json.Marshal(ibcfeetypes.Metadata{
+			FeeVersion: ibcfeetypes.Version,
+			AppVersion: version,
+		})
+		if err != nil {
+			return err
+		}
+
+		r.logger.Info("linking chains for relayer...", "version", string(versionBz))
 		return r.run([]string{
 			"tx",
 			"link",
@@ -259,7 +280,7 @@ func linkWithPorts(srcPort string, dstPort string, version string) func(*Relayer
 			"--dst-port",
 			dstPort,
 			"--version",
-			version,
+			string(versionBz),
 		})
 	}
 }