mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-21 19:11:05 +00:00
James Wilson
ce0a82e322
* remove unneeded Config bounds and BlockNumber associated type * clippy and fmt
40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
// Copyright 2019-2022 Parity Technologies (UK) Ltd.
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// This file is dual-licensed as Apache-2.0 or GPL-3.0.
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// see LICENSE for license details.
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//! To run this example, a local polkadot node should be running. Example verified against polkadot v0.9.28-9ffe6e9e3da.
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//!
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//! E.g.
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//! ```bash
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//! curl "https://github.com/paritytech/polkadot/releases/download/v0.9.28/polkadot" --output /usr/local/bin/polkadot --location
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//! polkadot --dev --tmp
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//! ```
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use std::time::Duration;
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use subxt::{
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OnlineClient,
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PolkadotConfig,
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};
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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tracing_subscriber::fmt::init();
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// Create a client to use:
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let api = OnlineClient::<PolkadotConfig>::new().await?;
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// Start a new tokio task to perform the runtime updates while
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// utilizing the API for other use cases.
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let update_client = api.updater();
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tokio::spawn(async move {
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let result = update_client.perform_runtime_updates().await;
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println!("Runtime update failed with result={result:?}");
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});
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// If this client is kept in use a while, it'll update its metadata and such
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// as needed when the node it's pointed at updates.
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tokio::time::sleep(Duration::from_secs(10_000)).await;
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Ok(())
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}
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