pezkuwichain
b6d35f6faf
Updated 4763 files with dual copyright: - Parity Technologies (UK) Ltd. - Dijital Kurdistan Tech Institute
45 lines
1.4 KiB
Rust
45 lines
1.4 KiB
Rust
// This file is part of Bizinikiwi.
|
|
|
|
// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
|
|
// 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.
|
|
|
|
//! This uses the call data load API to first the first input byte.
|
|
//! This single input byte is used as the offset for a second call
|
|
//! to the call data load API.
|
|
//! The output of the second API call is returned.
|
|
|
|
#![no_std]
|
|
#![no_main]
|
|
include!("../panic_handler.rs");
|
|
|
|
use uapi::{HostFn, HostFnImpl as api, ReturnFlags};
|
|
|
|
#[no_mangle]
|
|
#[polkavm_derive::polkavm_export]
|
|
pub extern "C" fn deploy() {}
|
|
|
|
#[no_mangle]
|
|
#[polkavm_derive::polkavm_export]
|
|
pub extern "C" fn call() {
|
|
let mut buf = [0; 32];
|
|
api::call_data_load(&mut buf, 0);
|
|
|
|
let offset = buf[31] as u32;
|
|
let mut buf = [0; 32];
|
|
api::call_data_load(&mut buf, offset);
|
|
|
|
api::return_value(ReturnFlags::empty(), &buf);
|
|
}
|