add ack cb

app/app.go

@@ -659,6 +659,8 @@ func New(
 	var icaControllerStack porttypes.IBCModule
 	icaControllerStack = icacontroller.NewIBCMiddleware(icaAuthIBCModule, app.ICAControllerKeeper)
 	icaControllerStack = ibcfee.NewIBCMiddleware(icaControllerStack, app.IBCFeeKeeper)
+	// Since the callbacks middleware itself is an ics4wrapper, it needs to be passed to the ica controller keeper
+	app.ICAControllerKeeper.WithICS4Wrapper(icaControllerStack.(porttypes.Middleware))
 	const maxCallbackGas = uint64(1000000)
 	icaControllerStack = ibccallbacks.NewIBCMiddleware(icaControllerStack, app.IBCFeeKeeper, app.CronosKeeper, maxCallbackGas)
 

x/cronos/keeper/keeper.go

@@ -2,6 +2,7 @@ package keeper
 
 import (
 	"fmt"
+	"math/big"
 	"strings"
 
 	"cosmossdk.io/errors"
@@ -20,6 +21,7 @@ import (
 	ibcexported "github.com/cosmos/ibc-go/v7/modules/core/exported"
 	"github.com/crypto-org-chain/cronos/v2/x/cronos/types"
 	"github.com/ethereum/go-ethereum/common"
+	ethtypes "github.com/ethereum/go-ethereum/core/types"
 	// this line is used by starport scaffolding # ibc/keeper/import
 )
 
@@ -292,6 +294,24 @@ func (k Keeper) IBCOnAcknowledgementPacketCallback(
 	contractAddress,
 	packetSenderAddress string,
 ) error {
+	relayerAddr := common.BytesToAddress(relayer.Bytes())
+	nonce := k.evmKeeper.GetNonce(ctx, relayerAddr)
+	precompileAddr := common.HexToAddress(contractAddress)
+	msg := ethtypes.NewMessage(
+		types.EVMModuleAddress,
+		&precompileAddr,
+		nonce,
+		big.NewInt(0), // amount
+		DefaultGasCap,
+		big.NewInt(0), nil, nil, // gasPrice
+		packet.Data,
+		nil,   // accessList
+		false, // isFake
+	)
+	_, err := k.evmKeeper.ApplyMessage(ctx, msg, nil, true)
+	if err != nil {
+		return err
+	}
 	// return k.processMockCallback(ctx, callbacktypes.CallbackTypeAcknowledgementPacket, packetSenderAddress)
 	return nil
 }

x/cronos/keeper/precompiles/ica.go

@@ -134,6 +134,7 @@ func (ic *IcaContract) Run(evm *vm.EVM, contract *vm.Contract, readonly bool) ([
 		icaMsgData := icatypes.InterchainAccountPacketData{
 			Type: icatypes.EXECUTE_TX,
 			Data: data,
+			Memo: fmt.Sprintf(`{"src_callback": {"address": "%s"}}`, icaContractAddress.String()),
 		}
 		timeoutDuration := time.Duration(timeout.Uint64())
 		seq := uint64(0)