mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Bastian Köcher
7b56ab15b4
* Run cargo fmt on the whole code base * Second run * Add CI check * Fix compilation * More unnecessary braces * Handle weights * Use --all * Use correct attributes... * Fix UI tests * AHHHHHHHHH * 🤦 * Docs * Fix compilation * 🤷 * Please stop * 🤦 x 2 * More * make rustfmt.toml consistent with polkadot Co-authored-by: André Silva <andrerfosilva@gmail.com>
89 lines
3.2 KiB
Rust
89 lines
3.2 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2021 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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/// Use this to override host functions.
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/// eg
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/// ```rust
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/// use test_runner::override_host_functions;
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/// pub struct SignatureVerificationOverride;
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///
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/// impl sp_wasm_interface::HostFunctions for SignatureVerificationOverride {
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/// fn host_functions() -> Vec<&'static dyn sp_wasm_interface::Function> {
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/// override_host_functions!(
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/// "ext_crypto_ecdsa_verify_version_1", EcdsaVerify,
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/// )
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/// }
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/// }
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/// ```
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#[macro_export]
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macro_rules! override_host_functions {
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($($fn_name:expr, $name:ident,)*) => {{
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let mut host_functions = vec![];
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$(
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struct $name;
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impl sp_wasm_interface::Function for $name {
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fn name(&self) -> &str {
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&$fn_name
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}
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fn signature(&self) -> sp_wasm_interface::Signature {
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sp_wasm_interface::Signature {
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args: std::borrow::Cow::Owned(vec![
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sp_wasm_interface::ValueType::I32,
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sp_wasm_interface::ValueType::I64,
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sp_wasm_interface::ValueType::I32,
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]),
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return_value: Some(sp_wasm_interface::ValueType::I32),
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}
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}
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fn execute(
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&self,
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context: &mut dyn sp_wasm_interface::FunctionContext,
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_args: &mut dyn Iterator<Item = sp_wasm_interface::Value>,
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) -> Result<Option<sp_wasm_interface::Value>, String> {
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<bool as sp_runtime_interface::host::IntoFFIValue>::into_ffi_value(true, context)
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.map(sp_wasm_interface::IntoValue::into_value)
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.map(Some)
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}
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}
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host_functions.push(&$name as &'static dyn sp_wasm_interface::Function);
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)*
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host_functions
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}};
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}
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/// Provides host functions that overrides runtime signature verification
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/// to always return true.
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pub struct SignatureVerificationOverride;
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impl sp_wasm_interface::HostFunctions for SignatureVerificationOverride {
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fn host_functions() -> Vec<&'static dyn sp_wasm_interface::Function> {
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override_host_functions!(
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"ext_crypto_ecdsa_verify_version_1",
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EcdsaVerify,
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"ext_crypto_ed25519_verify_version_1",
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Ed25519Verify,
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"ext_crypto_sr25519_verify_version_1",
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Sr25519Verify,
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"ext_crypto_sr25519_verify_version_2",
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Sr25519VerifyV2,
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)
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}
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}
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