Files
pezkuwi-subxt/examples/submit_and_watch.rs
T
David Craven 6f27489378 Double map and plain storage support, introduce macros (#93)
* Support custom clients.

* Simplify trait bounds.

* Plain and double map storage support.

* Simplify more trait bounds.

* Add proc macro.

* Add Call, Event and Store traits.

* Update proc-macros.

* Add with_system for proc-macro.

* proc-macro: test: support signature and extra fields.

* proc-macro: test: support sharing state accross steps.

* proc-macro: test: fetch state sequentially.

* Elide lifetimes.

* Add test for plain storage.

* Run rustfmt.
2020-04-28 20:04:26 +01:00

48 lines
1.6 KiB
Rust

// Copyright 2019 Parity Technologies (UK) Ltd.
// This file is part of substrate-subxt.
//
// subxt is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// subxt is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with substrate-subxt. If not, see <http://www.gnu.org/licenses/>.
use sp_keyring::AccountKeyring;
use substrate_subxt::{
balances,
DefaultNodeRuntime as Runtime,
};
#[async_std::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
env_logger::init();
let signer = AccountKeyring::Alice.pair();
let dest = AccountKeyring::Bob.to_account_id().into();
let cli = substrate_subxt::ClientBuilder::<Runtime>::new()
.build()
.await?;
let xt = cli.xt(signer, None).await?;
let xt_result = xt
.watch()
.submit(balances::TransferCall {
to: &dest,
amount: 10_000,
})
.await?;
if let Some(event) = xt_result.find_event::<balances::TransferEvent<_>>()? {
println!("Balance transfer success: value: {:?}", event.amount);
} else {
println!("Failed to find Balances::Transfer Event");
}
Ok(())
}