mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-22 07:58:02 +00:00
Andrew Jones
46 lines
1.5 KiB
Rust
46 lines
1.5 KiB
Rust
// Copyright 2019-2022 Parity Technologies (UK) Ltd.
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// This file is part of subxt.
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//
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// subxt is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// subxt is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with subxt. If not, see <http://www.gnu.org/licenses/>.
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//! To run this example, a local polkadot node should be running.
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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/v0.9.11/polkadot" --output /usr/local/bin/polkadot --location
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//! polkadot --dev --tmp
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//! ```
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use subxt::ClientBuilder;
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#[subxt::subxt(runtime_metadata_path = "examples/polkadot_metadata.scale")]
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pub mod polkadot {}
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#[async_std::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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env_logger::init();
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let api = ClientBuilder::new()
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.build()
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.await?
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.to_runtime_api::<polkadot::RuntimeApi<polkadot::DefaultConfig>>();
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let mut iter = api.storage().system().account_iter(None).await?;
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while let Some((key, account)) = iter.next().await? {
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println!("{}: {}", hex::encode(key), account.data.free);
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}
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Ok(())
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}
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