* init commit * Add simulation request * Push progress * revert CalculateGas changes * Fix simulation response unmarshal * Fix tests * Fix import * Fix tests * refactor * fix simulation response unmarshalling Co-authored-by: Jack Zampolin <jack.zampolin@gmail.com> Co-authored-by: Alessio Treglia <alessio@tendermint.com> Co-authored-by: anilCSE <anil@vitwit.com>