imp(ante): refactor for increased AnteHandler performance (#1393)

x/evm/keeper/params.go

@@ -24,35 +24,35 @@ func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
 
 // GetChainConfig returns the chain configuration parameter.
 func (k Keeper) GetChainConfig(ctx sdk.Context) types.ChainConfig {
-	chainCfg := types.ChainConfig{}
+	var chainCfg types.ChainConfig
 	k.paramSpace.GetIfExists(ctx, types.ParamStoreKeyChainConfig, &chainCfg)
 	return chainCfg
 }
 
 // GetEVMDenom returns the EVM denom.
 func (k Keeper) GetEVMDenom(ctx sdk.Context) string {
-	evmDenom := ""
+	var evmDenom string
 	k.paramSpace.GetIfExists(ctx, types.ParamStoreKeyEVMDenom, &evmDenom)
 	return evmDenom
 }
 
 // GetEnableCall returns true if the EVM Call operation is enabled.
 func (k Keeper) GetEnableCall(ctx sdk.Context) bool {
-	enableCall := false
+	var enableCall bool
 	k.paramSpace.GetIfExists(ctx, types.ParamStoreKeyEnableCall, &enableCall)
 	return enableCall
 }
 
 // GetEnableCreate returns true if the EVM Create contract operation is enabled.
 func (k Keeper) GetEnableCreate(ctx sdk.Context) bool {
-	enableCreate := false
+	var enableCreate bool
 	k.paramSpace.GetIfExists(ctx, types.ParamStoreKeyEnableCreate, &enableCreate)
 	return enableCreate
 }
 
 // GetAllowUnprotectedTxs returns true if unprotected txs (i.e non-replay protected as per EIP-155) are supported by the chain.
 func (k Keeper) GetAllowUnprotectedTxs(ctx sdk.Context) bool {
-	allowUnprotectedTx := false
+	var allowUnprotectedTx bool
 	k.paramSpace.GetIfExists(ctx, types.ParamStoreKeyAllowUnprotectedTxs, &allowUnprotectedTx)
 	return allowUnprotectedTx
 }