pezkuwichain
4666047395
Updated 4763 files with dual copyright: - Parity Technologies (UK) Ltd. - Dijital Kurdistan Tech Institute
76 lines
2.8 KiB
Rust
76 lines
2.8 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
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// This file is part of Pezcumulus.
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// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
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// Pezcumulus 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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// Pezcumulus 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 Pezcumulus. If not, see <http://www.gnu.org/licenses/>.
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//! Teyrchain bootnode request-response protocol configuration.
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use pezsc_network::{
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request_responses::IncomingRequest, service::traits::NetworkBackend, ProtocolName,
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};
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use pezsp_runtime::traits::Block as BlockT;
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use std::time::Duration;
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/// Maximum number of addresses allowed in the response.
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pub const MAX_ADDRESSES: usize = 32;
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/// Expected maximum number of simultaneous requests from remote peers.
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/// Should be enough for a testnet with a plenty of nodes starting at the same time.
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const INBOUND_CHANNEL_SIZE: usize = 1000;
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/// Maximum request size. Should be enough to fit SCALE-compact-encoded `para_id`.
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const MAX_REQUEST_SIZE: u64 = 128;
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/// Maximum response size as per RFC.
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const MAX_RESPONSE_SIZE: u64 = 16 * 1024;
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/// Request-response protocol timeout.
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const TIMEOUT: Duration = Duration::from_secs(20);
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/// Bootnode request-response protocol name given a genesis hash and fork id.
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pub fn paranode_protocol_name<Hash: AsRef<[u8]>>(
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genesis_hash: Hash,
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fork_id: Option<&str>,
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) -> ProtocolName {
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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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// This is not stated in RFC-0008, but other pezkuwi protocol names are based on `fork_id`
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// if it is present, so we also use it here.
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format!("/{}/{}/paranode", array_bytes::bytes2hex("", genesis_hash), fork_id)
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} else {
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format!("/{}/paranode", array_bytes::bytes2hex("", genesis_hash))
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}
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.into()
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}
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/// Bootnode request-response protocol config.
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pub fn bootnode_request_response_config<
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Hash: AsRef<[u8]>,
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B: BlockT,
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N: NetworkBackend<B, <B as BlockT>::Hash>,
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>(
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genesis_hash: Hash,
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fork_id: Option<&str>,
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) -> (N::RequestResponseProtocolConfig, async_channel::Receiver<IncomingRequest>) {
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let (inbound_tx, inbound_rx) = async_channel::bounded(INBOUND_CHANNEL_SIZE);
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let config = N::request_response_config(
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paranode_protocol_name(genesis_hash, fork_id),
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Vec::new(),
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MAX_REQUEST_SIZE,
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MAX_RESPONSE_SIZE,
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TIMEOUT,
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Some(inbound_tx),
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);
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(config, inbound_rx)
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}
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