working signature

sig.rs

use std::fmt::format;

use parity_scale_codec::{ Encode, Decode};
use sp_core::{H256, H512, Pair};
use sp_core::sr25519::{Signature};

fn main() {
	let print_string = generate("//Alice", Vote::Yes);
    println!("Alice - Yes - {}", fm(print_string));

	let print_string = generate("//Bob", Vote::No);
    println!("Bob - No - {}", fm(print_string));
	
}

#[derive(Clone, Eq, PartialEq, Encode, Decode)]
pub enum Vote {
	Yes,
	No
}

fn generate(key: &str, vote: Vote) -> String {
	let pair: sp_core::sr25519::Pair = Pair::from_string(key, None).unwrap();
	//println!("{}", fm(format!("{:02x?}", pair.public().0)));
	let payload = (vote, 10u32).encode();
	let payload = payload.as_slice().to_owned();
	let signed = pair.sign(&payload);
	//println!("{}", verify(signed.0));
	format!("{:02x?}", signed.0)
}

fn verify(load: [u8; 64]) -> bool {
	let pair: sp_core::sr25519::Pair = Pair::from_string("//Bob", None).unwrap();
	let s = Signature::from_raw(load);
	let payload = (Vote::Yes, 10u32).encode();
	sp_core::sr25519::Pair::verify(&s, payload, &pair.public())
}

fn fm(s: String) -> String {
	let print_string = s.replace(", ", "");
	let print_string = print_string.replace('[', "");
	print_string.replace(']', "")
}