pub mod dto;
pub use dto::*;
use hmac::{Hmac, Mac, NewMac};
use sha2::Sha256;
pub fn verify_signature(secret_key: &str, payload: &[u8], signature: &str) -> bool {
let mut mac = Hmac::<Sha256>::new_from_slice(secret_key.as_bytes())
.expect("HMAC can take key of any size");
mac.update(payload);
let payload_sig = format!("{:#x}", mac.finalize().into_bytes());
payload_sig == signature
}