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https://github.com/pezkuwichain/pezkuwi-subxt.git
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bc53b9a03a
* Change copyright year to 2023 from 2022 * Fix incorrect update of copyright year * Remove years from copy right header * Fix remaining files * Fix typo in a header and remove update-copyright.sh
60 lines
2.2 KiB
Rust
60 lines
2.2 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// This program 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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// This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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//! Helpers for outgoing and incoming light client requests.
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/// For incoming light client requests.
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pub mod handler;
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use sc_network_common::{config::ProtocolId, request_responses::ProtocolConfig};
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use std::time::Duration;
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/// Generate the light client protocol name from the genesis hash and fork id.
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fn generate_protocol_name<Hash: AsRef<[u8]>>(genesis_hash: Hash, fork_id: Option<&str>) -> String {
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let genesis_hash = genesis_hash.as_ref();
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if let Some(fork_id) = fork_id {
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format!("/{}/{}/light/2", array_bytes::bytes2hex("", genesis_hash), fork_id)
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} else {
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format!("/{}/light/2", array_bytes::bytes2hex("", genesis_hash))
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}
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}
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/// Generate the legacy light client protocol name from chain specific protocol identifier.
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fn generate_legacy_protocol_name(protocol_id: &ProtocolId) -> String {
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format!("/{}/light/2", protocol_id.as_ref())
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}
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/// Generates a [`ProtocolConfig`] for the light client request protocol, refusing incoming
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/// requests.
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pub fn generate_protocol_config<Hash: AsRef<[u8]>>(
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protocol_id: &ProtocolId,
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genesis_hash: Hash,
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fork_id: Option<&str>,
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) -> ProtocolConfig {
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ProtocolConfig {
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name: generate_protocol_name(genesis_hash, fork_id).into(),
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fallback_names: std::iter::once(generate_legacy_protocol_name(protocol_id).into())
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.collect(),
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max_request_size: 1 * 1024 * 1024,
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max_response_size: 16 * 1024 * 1024,
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request_timeout: Duration::from_secs(15),
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inbound_queue: None,
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}
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}
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