change decoder to decode block-sdk first tx to empty tx

app/app.go

@@ -98,7 +98,7 @@ import (
 	ibctm "github.com/cosmos/ibc-go/v7/modules/light-clients/07-tendermint"
 
 	// initia imports
-	initiaservice "github.com/initia-labs/initia/service"
+
 	ibctestingtypes "github.com/initia-labs/initia/x/ibc/testing/types"
 	icaauth "github.com/initia-labs/initia/x/intertx"
 	icaauthkeeper "github.com/initia-labs/initia/x/intertx/keeper"
@@ -993,17 +993,17 @@ func (app *MinitiaApp) Simulate(txBytes []byte) (sdk.GasInfo, *sdk.Result, error
 
 // RegisterTxService implements the Application.RegisterTxService method.
 func (app *MinitiaApp) RegisterTxService(clientCtx client.Context) {
-	initiaservice.RegisterTxService(
+	authtx.RegisterTxService(
 		app.BaseApp.GRPCQueryRouter(), clientCtx,
-		authtx.NewTxServer(clientCtx, app.Simulate, app.interfaceRegistry),
+		app.Simulate, app.interfaceRegistry,
 	)
 }
 
 // RegisterTendermintService implements the Application.RegisterTendermintService method.
 func (app *MinitiaApp) RegisterTendermintService(clientCtx client.Context) {
-	initiaservice.RegisterTendermintService(
-		app.BaseApp.GRPCQueryRouter(),
-		tmservice.NewQueryServer(clientCtx, app.interfaceRegistry, app.Query),
+	tmservice.RegisterTendermintService(
+		clientCtx, app.BaseApp.GRPCQueryRouter(),
+		app.interfaceRegistry, app.Query,
 	)
 }
 

app/params/config.go

@@ -0,0 +1,39 @@
+package params
+
+import (
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	signingtypes "github.com/cosmos/cosmos-sdk/types/tx/signing"
+	authtx "github.com/cosmos/cosmos-sdk/x/auth/tx"
+
+	blockproposalstypes "github.com/skip-mev/block-sdk/block/proposals/types"
+)
+
+type config struct {
+	client.TxConfig
+}
+
+func NewTxConfig(protoCodec codec.ProtoCodecMarshaler, enabledSignModes []signingtypes.SignMode) client.TxConfig {
+	return config{authtx.NewTxConfig(protoCodec, enabledSignModes)}
+}
+
+func (g config) TxDecoder() sdk.TxDecoder {
+	return func(txBytes []byte) (sdk.Tx, error) {
+		if tx, err := g.TxConfig.TxDecoder()(txBytes); err != nil {
+
+			// convert skip's custom message to empty tx
+			var metaData blockproposalstypes.ProposalInfo
+			if err := metaData.Unmarshal(txBytes); err == nil {
+				txbuilder := g.NewTxBuilder()
+				txbuilder.SetMemo("Tx is for BlockSDK")
+
+				return txbuilder.GetTx(), err
+			}
+
+			return tx, err
+		} else {
+			return tx, err
+		}
+	}
+}

app/params/proto.go

@@ -11,7 +11,7 @@ func MakeEncodingConfig() EncodingConfig {
 	amino := codec.NewLegacyAmino()
 	interfaceRegistry := types.NewInterfaceRegistry()
 	marshaler := codec.NewProtoCodec(interfaceRegistry)
-	txCfg := tx.NewTxConfig(marshaler, tx.DefaultSignModes)
+	txCfg := NewTxConfig(marshaler, tx.DefaultSignModes)
 
 	return EncodingConfig{
 		InterfaceRegistry: interfaceRegistry,