Revert "Problem: require gas in RecvPacket is inaccurate when ReceiverChainIsSource (crypto-org-chain#1458)"

This reverts commit 0ef63b9.

Author: mmsqe

CHANGELOG.md

@@ -5,7 +5,6 @@
 ### State Machine Breaking
 
 * [#1407](https://github.com/crypto-org-chain/cronos/pull/1407) Add end-to-end encryption module.
-* [#1458](https://github.com/crypto-org-chain/cronos/pull/1458) Adjust require gas for recvPacket when ReceiverChainIsSource.
 
 ### Improvements
 

x/cronos/keeper/precompiles/relayer.go

@@ -13,8 +13,6 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
-	ibctransfertypes "github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"
-	channeltypes "github.com/cosmos/ibc-go/v7/modules/core/04-channel/types"
 	cronosevents "github.com/crypto-org-chain/cronos/v2/x/cronos/events"
 	"github.com/crypto-org-chain/cronos/v2/x/cronos/events/bindings/cosmos/precompile/relayer"
 	"github.com/crypto-org-chain/cronos/v2/x/cronos/types"
@@ -60,10 +58,6 @@ const (
 	UpdateClientAndAcknowledgement       = "updateClientAndAcknowledgement"
 	UpdateClientAndTimeout               = "updateClientAndTimeout"
 	UpdateClientAndTimeoutOnClose        = "updateClientAndTimeoutOnClose"
-
-	GasForUpdateClient              = 111894
-	GasWhenReceiverChainIsSource    = 51705
-	GasWhenReceiverChainIsNotSource = 144025
 )
 
 func init() {
@@ -99,7 +93,7 @@ func init() {
 		case ChannelCloseConfirm:
 			relayerGasRequiredByMethod[methodID] = 31199
 		case RecvPacket:
-			relayerGasRequiredByMethod[methodID] = GasWhenReceiverChainIsNotSource
+			relayerGasRequiredByMethod[methodID] = 144025
 		case Acknowledgement:
 			relayerGasRequiredByMethod[methodID] = 61781
 		case Timeout:
@@ -113,7 +107,7 @@ func init() {
 		case UpdateClientAndChannelOpenConfirm:
 			relayerGasRequiredByMethod[methodID] = 132734
 		case UpdateClientAndRecvPacket:
-			relayerGasRequiredByMethod[methodID] = GasForUpdateClient + GasWhenReceiverChainIsNotSource
+			relayerGasRequiredByMethod[methodID] = 257120
 		case UpdateClientAndConnectionOpenInit:
 			relayerGasRequiredByMethod[methodID] = 131649
 		case UpdateClientAndConnectionOpenAck:
@@ -171,34 +165,6 @@ func (bc *RelayerContract) RequiredGas(input []byte) (gas uint64) {
 	var methodID [4]byte
 	copy(methodID[:], input[:4])
 	requiredGas, ok := relayerGasRequiredByMethod[methodID]
-	method, err := irelayerABI.MethodById(methodID[:])
-	if err != nil {
-		panic(err)
-	}
-	if method.Name == RecvPacket || method.Name == UpdateClientAndRecvPacket {
-		args, err := method.Inputs.Unpack(input[4:])
-		if err != nil {
-			panic(err)
-		}
-		i := args[0].([]byte)
-		if method.Name == UpdateClientAndRecvPacket {
-			i = args[1].([]byte)
-		}
-		var msg channeltypes.MsgRecvPacket
-		if err = bc.cdc.Unmarshal(i, &msg); err != nil {
-			panic(err)
-		}
-		var data ibctransfertypes.FungibleTokenPacketData
-		if err = ibctransfertypes.ModuleCdc.UnmarshalJSON(msg.Packet.GetData(), &data); err != nil {
-			panic(err)
-		}
-		if ibctransfertypes.ReceiverChainIsSource(msg.Packet.GetSourcePort(), msg.Packet.GetSourceChannel(), data.Denom) {
-			requiredGas = GasWhenReceiverChainIsSource
-			if method.Name == UpdateClientAndRecvPacket {
-				requiredGas += GasForUpdateClient
-			}
-		}
-	}
 	intrinsicGas, _ := core.IntrinsicGas(input, nil, false, bc.isHomestead, bc.isIstanbul, bc.isShanghai)
 	defer func() {
 		methodName := relayerMethodNamedByMethod[methodID]