mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Ashley
fb442c9112
* Add cli to wasm tests, update and bring closer to the substrate browser code * Remove ws.js * Update cli/src/browser.rs Co-Authored-By: Pierre Krieger <pierre.krieger1708@gmail.com> * Update browser.rs Co-authored-by: Gavin Wood <gavin@parity.io> Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
54 lines
1.9 KiB
Rust
54 lines
1.9 KiB
Rust
// Copyright 2019-2020 Parity Technologies (UK) Ltd.
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// This file is part of Substrate.
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// Substrate 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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// Substrate 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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// You should have received a copy of the GNU General Public License
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// along with Substrate. If not, see <http://www.gnu.org/licenses/>.
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use log::info;
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use wasm_bindgen::prelude::*;
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use browser_utils::{
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Client,
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browser_configuration, set_console_error_panic_hook, init_console_log,
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};
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use std::str::FromStr;
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/// Starts the client.
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#[wasm_bindgen]
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pub async fn start_client(chain_spec: String, log_level: String) -> Result<Client, JsValue> {
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start_inner(chain_spec, log_level)
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.await
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.map_err(|err| JsValue::from_str(&err.to_string()))
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}
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async fn start_inner(chain_spec: String, log_level: String) -> Result<Client, Box<dyn std::error::Error>> {
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set_console_error_panic_hook();
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init_console_log(log_level.parse()?)?;
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let chain_spec = service::PolkadotChainSpec::from_json_bytes(chain_spec.as_bytes().to_vec())
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.map_err(|e| format!("{:?}", e))?;
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let config = browser_configuration(chain_spec).await?;
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info!("Polkadot browser node");
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info!(" version {}", config.full_version());
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info!(" by Parity Technologies, 2017-2020");
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info!("Chain specification: {}", config.expect_chain_spec().name());
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info!("Node name: {}", config.name);
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info!("Roles: {:?}", config.roles);
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// Create the service. This is the most heavy initialization step.
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let service = service::kusama_new_light(config)
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.map_err(|e| format!("{:?}", e))?;
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Ok(browser_utils::start_client(service))
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}
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