Files
serai/coins/ethereum/src/tests/schnorr.rs
2024-06-13 15:57:08 -04:00

94 lines
2.6 KiB
Rust

use std::sync::Arc;
use rand_core::OsRng;
use group::ff::PrimeField;
use k256::Scalar;
use frost::{
curve::Secp256k1,
algorithm::IetfSchnorr,
tests::{algorithm_machines, sign},
};
use alloy_core::primitives::Address;
use alloy_sol_types::SolCall;
use alloy_rpc_types_eth::{TransactionInput, TransactionRequest};
use alloy_simple_request_transport::SimpleRequest;
use alloy_rpc_client::ClientBuilder;
use alloy_provider::{Provider, RootProvider};
use alloy_node_bindings::{Anvil, AnvilInstance};
use crate::{
Error,
crypto::*,
tests::{key_gen, deploy_contract, abi::schnorr as abi},
};
async fn setup_test() -> (AnvilInstance, Arc<RootProvider<SimpleRequest>>, Address) {
let anvil = Anvil::new().spawn();
let provider = RootProvider::new(
ClientBuilder::default().transport(SimpleRequest::new(anvil.endpoint()), true),
);
let wallet = anvil.keys()[0].clone().into();
let client = Arc::new(provider);
let address = deploy_contract(client.clone(), &wallet, "TestSchnorr").await.unwrap();
(anvil, client, address)
}
#[tokio::test]
async fn test_deploy_contract() {
setup_test().await;
}
pub async fn call_verify(
provider: &RootProvider<SimpleRequest>,
contract: Address,
public_key: &PublicKey,
message: &[u8],
signature: &Signature,
) -> Result<(), Error> {
let px: [u8; 32] = public_key.px.to_repr().into();
let c_bytes: [u8; 32] = signature.c.to_repr().into();
let s_bytes: [u8; 32] = signature.s.to_repr().into();
let call = TransactionRequest::default().to(contract).input(TransactionInput::new(
abi::verifyCall::new((px.into(), message.to_vec().into(), c_bytes.into(), s_bytes.into()))
.abi_encode()
.into(),
));
let bytes = provider.call(&call).await.map_err(|_| Error::ConnectionError)?;
let res =
abi::verifyCall::abi_decode_returns(&bytes, true).map_err(|_| Error::ConnectionError)?;
if res._0 {
Ok(())
} else {
Err(Error::InvalidSignature)
}
}
#[tokio::test]
async fn test_ecrecover_hack() {
let (_anvil, client, contract) = setup_test().await;
let (keys, public_key) = key_gen();
const MESSAGE: &[u8] = b"Hello, World!";
let algo = IetfSchnorr::<Secp256k1, EthereumHram>::ietf();
let sig =
sign(&mut OsRng, &algo, keys.clone(), algorithm_machines(&mut OsRng, &algo, &keys), MESSAGE);
let sig = Signature::new(&public_key, MESSAGE, sig).unwrap();
call_verify(&client, contract, &public_key, MESSAGE, &sig).await.unwrap();
// Test an invalid signature fails
let mut sig = sig;
sig.s += Scalar::ONE;
assert!(call_verify(&client, contract, &public_key, MESSAGE, &sig).await.is_err());
}