AddressVar registers a gethcommon.Address custom flag with specified name, default value, and usage string.

AddressVar registers a gethcommon.Address custom flag with specified name, and shorthand, default value, and usage string.

BigIntVar register a *big.Int custom flag with specified name, default value, and usage string.

BigIntVar registers a *big.Int custom flag with specified name and shorthand, default value, and usage string.

BlockNumberVar registers a *big.Int blocknumber custom flag with specified name, default value, and usage string.

BlockNumberVar registers a *big.Int blocknumber custom flag with specified name and shorthand, default value, and usage string.

CallOptsVar registers a set of custom flags for eth1.CallOpts.

TransactOptsVar registers a set of custom flags for eth1.TransactOpts.