mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-22 10:18:01 +00:00
James Wilson
b4eb406ee5
* Add and use subxt-signer crate for WASM compatible signing * cargo fmt * dev keypairs already references * WIP fix various breakages * re-jig features to be simpler and various test fixes etc * doc and web fix * fix various bits and pieces * fix a test I broke * dev-deps can't be linked to in docs, hrmph * cargo fmt * another doc link * document the subxt_signer crate more thoroughly * move feature flag for consistency * more docs, no default subxt feature flag on signer, update release instrs * Add missing license header * unwrap_inner => into_inner * extend a test a little to better check derive junctions * note more clearly that the crypto bits come from sp_core::crypto
35 lines
1.2 KiB
Rust
35 lines
1.2 KiB
Rust
use subxt::{OnlineClient, PolkadotConfig};
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use subxt_signer::sr25519::dev;
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// Generate an interface that we can use from the node's metadata.
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#[subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata_small.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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// Create a new API client, configured to talk to Polkadot nodes.
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let api = OnlineClient::<PolkadotConfig>::new().await?;
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// Build a balance transfer extrinsic.
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let dest = dev::bob().public_key().into();
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let balance_transfer_tx = polkadot::tx().balances().transfer(dest, 10_000);
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// Submit the balance transfer extrinsic from Alice, and wait for it to be successful
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// and in a finalized block. We get back the extrinsic events if all is well.
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let from = dev::alice();
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let events = api
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.tx()
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.sign_and_submit_then_watch_default(&balance_transfer_tx, &from)
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.await?
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.wait_for_finalized_success()
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.await?;
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// Find a Transfer event and print it.
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let transfer_event = events.find_first::<polkadot::balances::events::Transfer>()?;
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if let Some(event) = transfer_event {
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println!("Balance transfer success: {event:?}");
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}
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Ok(())
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}
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