as.ether                Convert Wei to Ether.
as.finney               Convert Wei to Finney.
as.gwei                 Convert Wei to GWei.
as.kwei                 Convert Wei to kWei.
as.mwei                 Convert Wei to MWei.
as.szabo                Convert Wei to Szabo.
dec_to_hex              Convert decimal to hexadecimal.
eth_accounts            Returns addresses owned by client.
eth_blockNumber         Returns the number of most recent block.
eth_coinbase            Returns the client coinbase address.
eth_gasPrice            Returns the current gas price in wei.
eth_getBalance          Returns the balance (in Wei) of the account at
                        specified address.
eth_getBlock            Returns information about a specified block.
eth_getBlockTransactionCountByHash
                        Returns the number of transactions in a block
                        matching the given block hash.
eth_getBlockTransactionCountByNumber
                        Returns the number of transactions in a
                        specified block.
eth_getStorageAt        Returns the value from a storage position at a
                        given address.
eth_getTransactionByBlockHashAndIndex
                        Returns information about a transaction by
                        block hash and transaction index position.
eth_getTransactionByBlockNumberAndIndex
                        Returns information about a transaction by
                        block number and transaction index position.
eth_getTransactionByHash
                        Returns the information about a transaction.
eth_getTransactionCount
                        Returns the number of transactions sent from an
                        address.
eth_getTransactionReceipt
                        Returns the receipt of a transaction by
                        transaction hash.
eth_getUncleByBlockHashAndIndex
                        Returns information about an uncle of a block
                        by hash and uncle index position.
eth_getUncleByBlockNumberAndIndex
                        Returns information about a uncle of a block by
                        number and uncle index position.
eth_getUncleCountByBlockHash
                        Returns the number of uncles in a block from a
                        block matching the given block hash.
eth_getUncleCountByBlockNumber
                        Returns the number of uncles in a block from a
                        block matching the given block number.
eth_hashrate            Returns the number of hashes per second that
                        the node is mining with.
eth_mining              Returns true if client is actively mining new
                        blocks.
eth_protocolVersion     Returns the current ethereum protocol version.
eth_syncing             Returns an object with data about the sync
                        status.
ether                   ether: An R package for working with Ethereum.
get_blocks              Retrieve a series of blocks.
get_rpc_address         Get address used for RPC.
get_transactions        Retrieve transactions for a series of blocks.
hex_to_dec              Convert hexadecimal to decimal.
set_rpc_address         Set address used for RPC.
web3_clientVersion      Returns the current client version.
web3_sha3               Returns Keccak-256 (not the standardized
                        SHA3-256) of the given data.
