module Eth
module Eth::Abi
module Eth::Abi::Constant
module Eth::Chain
module Eth::Eip712
module Eth::Signature
module Eth::Tx
module Eth::Unit
module Eth::Util
class Eth::Abi::DecodingError
class Eth::Abi::EncodingError
class Eth::Abi::Type
class Eth::Abi::Type::ParseError
class Eth::Abi::ValueOutOfBounds
class Eth::Address
class Eth::Address::CheckSumError
class Eth::Chain::ReplayProtectionError
class Eth::Eip712::TypedDataError
class Eth::Key
class Eth::Key::Decrypter
class Eth::Key::Decrypter::DecrypterError
class Eth::Key::Encrypter
class Eth::Key::Encrypter::EncrypterError
class Eth::Signature::SignatureError
class Eth::Tx::DecoderError
class Eth::Tx::Eip1559
class Eth::Tx::Eip2930
class Eth::Tx::Legacy
class Eth::Tx::ParameterError
class Eth::Tx::TransactionTypeError
eth
0.5.0
# all_lowercase?
def all_lowercase? address.match /(?:0[xX])[a-f0-9]{40}/ end