pallet_contracts_fixtures/
lib.rs

1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: Apache-2.0
5
6// Licensed under the Apache License, Version 2.0 (the "License");
7// you may not use this file except in compliance with the License.
8// You may obtain a copy of the License at
9//
10// 	http://www.apache.org/licenses/LICENSE-2.0
11//
12// Unless required by applicable law or agreed to in writing, software
13// distributed under the License is distributed on an "AS IS" BASIS,
14// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15// See the License for the specific language governing permissions and
16// limitations under the License.
17
18use sp_runtime::traits::Hash;
19use std::{fs, path::PathBuf};
20
21/// Load a given wasm module and returns a wasm binary contents along with it's hash.
22/// Use the legacy compile_module as fallback, if the rust fixture does not exist yet.
23pub fn compile_module<T>(
24	fixture_name: &str,
25) -> anyhow::Result<(Vec<u8>, <T::Hashing as Hash>::Output)>
26where
27	T: frame_system::Config,
28{
29	let out_dir: PathBuf = env!("OUT_DIR").into();
30	let fixture_path = out_dir.join(format!("{fixture_name}.wasm"));
31	let binary = fs::read(fixture_path)?;
32	let code_hash = T::Hashing::hash(&binary);
33	Ok((binary, code_hash))
34}
35
36#[cfg(test)]
37mod test {
38	#[test]
39	fn out_dir_should_have_compiled_mocks() {
40		let out_dir: std::path::PathBuf = env!("OUT_DIR").into();
41		assert!(out_dir.join("dummy.wasm").exists());
42	}
43}
pallet_contracts_fixtures/lib.rs

pallet_contracts_fixtures/
lib.rs
