Files
pezkuwi-subxt/substrate/frame/contracts/fixtures/contracts/sr25519_verify.rs
T
PG Herveou bd80dcf685 Contracts: Translate .wat fixtures to rust (#2654)
- Translate all pallet-contracts fixtures from `wat` to Rust files.
- Fix read_sandbox_memory_as to not use MaxEncodedLen as this could
break if used with types with a non-fixed encoded len.

---------

Co-authored-by: alvicsam <alvicsam@gmail.com>
Co-authored-by: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>
Co-authored-by: Alexander Theißen <alex.theissen@me.com>
Co-authored-by: command-bot <>
2024-01-12 20:10:54 +00:00

49 lines
1.3 KiB
Rust

// This file is part of Substrate.
// Copyright (C) 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.
#![no_std]
#![no_main]
use common::input;
use uapi::{HostFn, HostFnImpl as api};
#[no_mangle]
#[polkavm_derive::polkavm_export]
pub extern "C" fn deploy() {}
#[no_mangle]
#[polkavm_derive::polkavm_export]
pub extern "C" fn call() {
input!(
signature: [u8; 64],
pub_key: [u8; 32],
msg: [u8; 11],
);
let exit_status = match api::sr25519_verify(
&signature.try_into().unwrap(),
msg,
&pub_key.try_into().unwrap(),
) {
Ok(_) => 0u32,
Err(code) => code as u32,
};
// Exit with success and take transfer return code to the output buffer.
api::return_value(uapi::ReturnFlags::empty(), &exit_status.to_le_bytes());
}