Files
pezkuwi-subxt/polkadot/cli/src/browser.rs
T
Cecile Tonglet 73af2d5816 Companion PR for https://github.com/paritytech/substrate/pull/7463 (#1948)
* Adapt service creation to new substrate API

* Fix test

* WIP

* Revert "WIP"

This reverts commit 816a3633e91abc943b12b2bfa77ce98b959e78b2.

* WIP

* Adapt to current code

* Fix tests

* Yet another fix

* CLEANUP

* WIP

* WIP

* WIP

* Adapt code to changes on substrate

* Adapt code

* Introduce kick.

* Fixes

* WIP

* WIP

* WIP

* WIP

* Bump

* Update sp-io

* WIP

Co-authored-by: Gav Wood <gavin@parity.io>
Co-authored-by: Parity Benchmarking Bot <admin@parity.io>
2021-01-20 12:45:25 +00:00

55 lines
2.2 KiB
Rust

// Copyright 2019-2020 Parity Technologies (UK) Ltd.
// This file is part of Substrate.
// Substrate 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.
// Substrate 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. If not, see <http://www.gnu.org/licenses/>.
use log::info;
use wasm_bindgen::prelude::*;
use browser_utils::{
Client,
browser_configuration, init_logging_and_telemetry, set_console_error_panic_hook,
};
/// Starts the client.
#[wasm_bindgen]
pub async fn start_client(chain_spec: String, log_level: String) -> Result<Client, JsValue> {
start_inner(chain_spec, log_level)
.await
.map_err(|err| JsValue::from_str(&err.to_string()))
}
async fn start_inner(chain_spec: String, log_directives: String) -> Result<Client, Box<dyn std::error::Error>> {
set_console_error_panic_hook();
let telemetry_worker = init_logging_and_telemetry(&log_directives)?;
let chain_spec = service::PolkadotChainSpec::from_json_bytes(chain_spec.as_bytes().to_vec())
.map_err(|e| format!("{:?}", e))?;
let telemetry_handle = telemetry_worker.handle();
let config = browser_configuration(chain_spec, Some(telemetry_handle)).await?;
info!("Polkadot browser node");
info!(" version {}", config.impl_version);
info!(" by Parity Technologies, 2017-2020");
info!("📋 Chain specification: {}", config.chain_spec.name());
info!("🏷 Node name: {}", config.network.node_name);
info!("👤 Role: {}", config.display_role());
// Create the service. This is the most heavy initialization step.
let (task_manager, rpc_handlers, _) = service::build_light(config).map_err(|e| format!("{:?}", e))?;
task_manager.spawn_handle().spawn("telemetry", telemetry_worker.run());
Ok(browser_utils::start_client(task_manager, rpc_handlers))
}