mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-05-06 04:28:01 +00:00
Tadeo hepperle
72 lines
2.3 KiB
Rust
72 lines
2.3 KiB
Rust
// Copyright 2019-2020
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// Parity Technologies (UK) Ltd. Technologies (UK) Ltd.
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//
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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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#![allow(internal_features)]
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#![feature(lang_items, start)]
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#![feature(alloc_error_handler)]
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#![no_std]
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#[start]
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fn start(_argc: isize, _argv: *const *const u8) -> isize {
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main();
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0
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}
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#[lang = "eh_personality"]
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#[no_mangle]
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pub extern "C" fn rust_eh_personality() {}
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#[panic_handler]
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fn panic(_info: &core::panic::PanicInfo) -> ! {
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unsafe {
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libc::abort();
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}
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}
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use libc_alloc::LibcAlloc;
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#[global_allocator]
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static ALLOCATOR: LibcAlloc = LibcAlloc;
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//////////////////////////////////////////////////////////////////////////////
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// use subxt_core::utils::H256;
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// Note: Panics in this function will lead to `Aborted (core dumped)` and a non-zero exit status => suitable for CI tests.
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fn main() {
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let metadata_bytes: &[u8] = include_bytes!("../../../artifacts/polkadot_metadata_small.scale");
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// let genesis_hash = {
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// let h = "91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3";
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// let bytes = hex::decode(h).unwrap();
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// H256::from_slice(&bytes)
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// };
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// // 2. A runtime version (system_version constant on a Substrate node has these):
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// let runtime_version = subxt::backend::RuntimeVersion {
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// spec_version: 9370,
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// transaction_version: 20,
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// };
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// // 3. Metadata (I'll load it from the downloaded metadata, but you can use
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// // `subxt metadata > file.scale` to download it):
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// let metadata = {
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// let bytes: &[u8] = include_bytes!("../polkadot_metadata_small.scale");
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// Metadata::decode(&mut &*bytes).unwrap()
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// };
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// // Create an offline client using the details obtained above:
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// let api = OfflineClient::<PolkadotConfig>::new(genesis_hash, runtime_version, metadata);
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}
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