sr25519.rs

// This file is part of Substrate.

// Copyright (C) 2019-2020 Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// 	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Integration tests for sr25519

use futures::executor::block_on;
use sp_runtime::generic::BlockId;
use sp_core::{
	crypto::Pair,
	traits::BareCryptoStorePtr,
	testing::{KeyStore, SR25519},
};
use substrate_test_runtime_client::{
	TestClientBuilder, DefaultTestClientBuilderExt, TestClientBuilderExt,
	runtime::TestAPI,
};
use sp_api::ProvideRuntimeApi;
use sp_application_crypto::sr25519::{AppPair, AppPublic};

#[test]
fn sr25519_works_in_runtime() {
	let keystore: BareCryptoStorePtr = KeyStore::new().into();
	let test_client = TestClientBuilder::new().set_keystore(keystore.clone()).build();
	let (signature, public) = test_client.runtime_api()
		.test_sr25519_crypto(&BlockId::Number(0))
		.expect("Tests `sr25519` crypto.");

	let supported_keys = block_on(keystore.read().keys(SR25519)).unwrap();
	assert!(supported_keys.contains(&public.clone().into()));
	assert!(AppPair::verify(&signature, "sr25519", &AppPublic::from(public)));
}