Ethereum Fe Smart Contract Hello World Message

helloworld.fe

# The `contract` keyword defines a new contract type
contract HelloWorld:
    message: String<100>

    pub fn __init__(self, _message: String<100>):
        self.message = _message
    pub fn update(self, newMessage: String<100>):
        self.message = newMessage
    pub fn getMessage(self) -> String<100>:
        return self.message.to_mem()