mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-25 04:47:56 +00:00
Alexandru Vasile
6ce9983506
* examples: Use tokio instead of std async Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * test-runtime: Use tokio instead of std async Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * subxt: Use tokio instead of std async Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io> * examples: Use only necessary tokio features Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
58 lines
1.9 KiB
Rust
58 lines
1.9 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. Example verified against polkadot 0.9.18-f6d6ab005d-aarch64-macos.
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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/v0.9.13/polkadot" --output /usr/local/bin/polkadot --location
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//! polkadot --dev --tmp
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//! ```
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use sp_keyring::AccountKeyring;
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use subxt::{
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ClientBuilder,
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DefaultConfig,
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PairSigner,
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PolkadotExtrinsicParams,
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};
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#[subxt::subxt(runtime_metadata_path = "examples/polkadot_metadata.scale")]
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pub mod polkadot {}
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#[tokio::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 signer = PairSigner::new(AccountKeyring::Alice.pair());
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let dest = AccountKeyring::Bob.to_account_id().into();
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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<DefaultConfig, PolkadotExtrinsicParams<DefaultConfig>>>();
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let hash = api
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.tx()
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.balances()
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.transfer(dest, 123_456_789_012_345)
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.sign_and_submit_default(&signer)
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.await?;
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println!("Balance transfer extrinsic submitted: {}", hash);
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Ok(())
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}
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