evm: refactor dup state transition code (#674)

* Problem: state transition code is duplicated

Closes: #672

Solution:
- move gas refund out from ApplyMessage
- move check into ApplyMessage
- move evm construction into ApplyMessage
- ensure context stack is clean after ApplyMessage return

fix unit tests

undo rename

add underflow check

* improve performance

- don't duplicate params loading
- passing EVMConfig around as pointer

rpc/ethereum/namespaces/eth/filters/filters.go

@@ -177,7 +177,7 @@ func (f *Filter) blockLogs(header *ethtypes.Header) ([]*ethtypes.Log, error) {
 		return []*ethtypes.Log{}, errors.Wrapf(err, "failed to fetch logs block number %d", header.Number.Int64())
 	}
 
-	var unfiltered []*ethtypes.Log
+	unfiltered := make([]*ethtypes.Log, 0)
 	for _, logs := range logsList {
 		unfiltered = append(unfiltered, logs...)
 	}