* Set up block hash to height mapping storage and fixed linting issues
* fix typos
* Set up module query for block height
* fix bug with block mappings and implemented get block by hash
* Fix other consensus hash references
* Set up framework for sending transaction with correct args and nonce mutex locking
* Set up printing ethereum address through emintkeys and getting chainid from flags
* Implemented defaults for eth_sendTransaction
* Fix bug with no data provided
* Updated comments and error, as well as RLP encoded tx bytes for return instead of amino encoded