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PG Herveou
2135fa872b
see #2189 This PR does the following: - Bring the user api functions into a new pallet-contracts-uapi (They are currently defined in ink! [here])(https://github.com/paritytech/ink/blob/master/crates/env/src/engine/on_chain/ext.rs) - Add older api versions and unstable to the user api trait. - Remove pallet-contracts-primitives and bring the types it defined in uapi / pallet-contracts - Add the infrastructure to build fixtures from Rust files and test it works by replacing `dummy.wat` and `call.wat` - Move all the doc from wasm/runtime.rs to pallet-contracts-uapi. This will be done in a follow up: - convert the rest of the test from .wat to rust - bring risc-v uapi up to date with wasm - finalize the uapi host fns, making sure everything is codegen from the source host fns in pallet-contracts --------- Co-authored-by: Alexander Theißen <alex.theissen@me.com>
77 lines
2.7 KiB
Rust
77 lines
2.7 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use sp_runtime::traits::Hash;
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use std::{env::var, fs, path::PathBuf};
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fn wat_root_dir() -> PathBuf {
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match (var("CARGO_MANIFEST_DIR"), var("CARGO_PKG_NAME")) {
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// When `CARGO_MANIFEST_DIR` is not set, Rust resolves relative paths from the root folder
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(Err(_), _) => "substrate/frame/contracts/fixtures/data".into(),
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(Ok(path), Ok(s)) if s == "pallet-contracts" => PathBuf::from(path).join("fixtures/data"),
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(Ok(path), Ok(s)) if s == "pallet-contracts-mock-network" =>
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PathBuf::from(path).parent().unwrap().join("fixtures/data"),
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(Ok(_), pkg_name) => panic!("Failed to resolve fixture dir for tests from {pkg_name:?}."),
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}
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}
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/// Load a given wasm module represented by a .wat file and returns a wasm binary contents along
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/// with it's hash.
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///
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/// The fixture files are located under the `fixtures/` directory.
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fn legacy_compile_module<T>(
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fixture_name: &str,
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) -> anyhow::Result<(Vec<u8>, <T::Hashing as Hash>::Output)>
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where
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T: frame_system::Config,
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{
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let fixture_path = wat_root_dir().join(format!("{fixture_name}.wat"));
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let wasm_binary = wat::parse_file(fixture_path)?;
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let code_hash = T::Hashing::hash(&wasm_binary);
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Ok((wasm_binary, code_hash))
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}
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/// Load a given wasm module and returns a wasm binary contents along with it's hash.
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/// Use the legacy compile_module as fallback, if the rust fixture does not exist yet.
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pub fn compile_module<T>(
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fixture_name: &str,
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) -> anyhow::Result<(Vec<u8>, <T::Hashing as Hash>::Output)>
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where
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T: frame_system::Config,
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{
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let out_dir: std::path::PathBuf = env!("OUT_DIR").into();
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let fixture_path = out_dir.join(format!("{fixture_name}.wasm"));
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match fs::read(fixture_path) {
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Ok(wasm_binary) => {
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let code_hash = T::Hashing::hash(&wasm_binary);
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Ok((wasm_binary, code_hash))
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},
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Err(_) => legacy_compile_module::<T>(fixture_name),
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}
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}
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#[cfg(test)]
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mod test {
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#[test]
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fn out_dir_should_have_compiled_mocks() {
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let out_dir: std::path::PathBuf = env!("OUT_DIR").into();
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let dummy_wasm = out_dir.join("dummy.wasm");
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println!("dummy_wasm: {:?}", dummy_wasm);
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assert!(dummy_wasm.exists());
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}
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}
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