add switch

x/cronos/keeper/precompiles/bank.go

@@ -18,8 +18,7 @@ import (
 )
 
 const (
-	EVMDenomPrefix          = "evm/"
-	BankContractRequiredGas = 21000
+	EVMDenomPrefix = "evm/"
 )
 
 var (
@@ -53,8 +52,21 @@ func (bc *BankContract) Address() common.Address {
 
 // RequiredGas calculates the contract gas use
 func (bc *BankContract) RequiredGas(input []byte) uint64 {
-	// TODO estimate required gas
-	return BankContractRequiredGas
+	methodID := input[:4]
+	method, err := bankABI.MethodById(methodID)
+	if err != nil {
+		return 0
+	}
+	switch method.Name {
+	case "mint", "burn":
+		return 1000
+	case "balanceOf":
+		return 1000
+	case "transfer":
+		return 1000
+	default:
+		return 0
+	}
 }
 
 func (bc *BankContract) IsStateful() bool {

x/cronos/keeper/precompiles/ica.go

@@ -54,7 +54,21 @@ func (ic *IcaContract) Address() common.Address {
 
 // RequiredGas calculates the contract gas use
 func (ic *IcaContract) RequiredGas(input []byte) uint64 {
-	return ICAContractRequiredGas
+	methodID := input[:4]
+	method, err := icaABI.MethodById(methodID)
+	if err != nil {
+		return 0
+	}
+	switch method.Name {
+	case "registerAccount":
+		return 1000
+	case "queryAccount":
+		return 1000
+	case "submitMsgs":
+		return 1000
+	default:
+		return 0
+	}
 }
 
 func (ic *IcaContract) IsStateful() bool {

x/cronos/keeper/precompiles/relayer.go

@@ -12,8 +12,6 @@ import (
 	cronosevents "github.com/crypto-org-chain/cronos/v2/x/cronos/events"
 )
 
-const RelayerContractRequiredGas = 300000
-
 var RelayerContractAddress = common.BytesToAddress([]byte{101})
 
 type RelayerContract struct {
@@ -37,7 +35,43 @@ func (bc *RelayerContract) Address() common.Address {
 
 // RequiredGas calculates the contract gas use
 func (bc *RelayerContract) RequiredGas(input []byte) uint64 {
-	return RelayerContractRequiredGas
+	prefix := int(binary.LittleEndian.Uint32(input[:prefixSize4Bytes]))
+	switch prefix {
+	case prefixCreateClient:
+		return 300000
+	case prefixUpdateClient:
+		return 300000
+	case prefixUpgradeClient:
+		return 300000
+	case prefixSubmitMisbehaviour:
+		return 300000
+	case prefixConnectionOpenInit:
+		return 300000
+	case prefixConnectionOpenTry:
+		return 300000
+	case prefixConnectionOpenAck:
+		return 300000
+	case prefixConnectionOpenConfirm:
+		return 300000
+	case prefixChannelOpenInit:
+		return 300000
+	case prefixChannelOpenTry:
+		return 300000
+	case prefixChannelOpenAck:
+		return 300000
+	case prefixChannelOpenConfirm:
+		return 300000
+	case prefixRecvPacket:
+		return 300000
+	case prefixAcknowledgement:
+		return 300000
+	case prefixTimeout:
+		return 300000
+	case prefixTimeoutOnClose:
+		return 300000
+	default:
+		return 0
+	}
 }
 
 func (bc *RelayerContract) IsStateful() bool {