pezkuwichain
b6d35f6faf
Updated 4763 files with dual copyright: - Parity Technologies (UK) Ltd. - Dijital Kurdistan Tech Institute
52 lines
1.7 KiB
Rust
52 lines
1.7 KiB
Rust
// This file is part of Bizinikiwi.
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// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
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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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//! This fixture calls the `ownCodeHash` function on the
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//! `System` pre-compile.
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#![allow(unused_imports)]
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#![no_std]
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#![no_main]
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include!("../panic_handler.rs");
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use core::num::NonZero;
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use uapi::{HostFn, HostFnImpl as api, u256_bytes};
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use hex_literal::hex;
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#[no_mangle]
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#[polkavm_derive::polkavm_export]
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pub extern "C" fn deploy() { }
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#[no_mangle]
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#[polkavm_derive::polkavm_export]
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pub extern "C" fn call() {
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let mut output_buf = [0u8; 32];
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let output = &mut &mut output_buf[..];
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let _ = api::call(
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uapi::CallFlags::READ_ONLY,
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&uapi::SYSTEM_PRECOMPILE_ADDR,
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u64::MAX, // How much ref_time to devote for the execution. u64::MAX = use all.
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u64::MAX, // How much proof_size to devote for the execution. u64::MAX = use all.
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&[u8::MAX; 32], // No deposit limit.
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&[0u8; 32], // Value transferred to the contract.
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&uapi::solidity_selector("ownCodeHash()"),
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Some(output),
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).unwrap();
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assert_ne!(output_buf, [0u8; 32]);
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api::return_value(uapi::ReturnFlags::empty(), &output_buf);
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}
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