Function verify

utils/src/crypto.rs:189–195

Verify that a message was signed using a public key ```rust use utils::crypto::{keypair, sign, sign_recovery, verify}; let (private_key, public_key) = keypair(); let message = b"The message"; let signature = sign(message, &private_key).unwrap(); let serialized_signature = signature.serialize_compact(); let verified = verify(message, &serialized_signature, &public_key).unwrap(); assert!(verified

(message: &[u8], signature: &[u8], key: &PublicKey)

/// assert!(verified);
/// ```
pub fn verify(message: &[u8], signature: &[u8], key: &PublicKey) -> Result<bool> {
    let message = hash_message(message)?;
    let signature = EcdsaSignature::from_compact(signature)
        .map_err(|e| UtilsError::VerifyError(e.to_string()))?;

    Ok(CONTEXT.verify_ecdsa(&message, &signature, key).is_ok())
}

/// Recover a public key using a recoverable signature and signed message
///