pezkuwichain
b6d35f6faf
Updated 4763 files with dual copyright: - Parity Technologies (UK) Ltd. - Dijital Kurdistan Tech Institute
68 lines
2.4 KiB
Rust
68 lines
2.4 KiB
Rust
// This file is part of Bizinikiwi.
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// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
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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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use clap::Args;
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use pezsp_core::H256;
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use std::str::FromStr;
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fn parse_kx_secret(s: &str) -> Result<pezsc_mixnet::KxSecret, String> {
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H256::from_str(s).map(H256::to_fixed_bytes).map_err(|err| err.to_string())
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}
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/// Parameters used to create the mixnet configuration.
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#[derive(Debug, Clone, Args)]
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pub struct MixnetParams {
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/// Enable the mixnet service.
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///
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/// This will make the mixnet RPC methods available. If the node is running as a validator, it
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/// will also attempt to register and operate as a mixnode.
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#[arg(long)]
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pub mixnet: bool,
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/// The mixnet key-exchange secret to use in session 0.
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///
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/// Should be 64 hex characters, giving a 32-byte secret.
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///
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/// WARNING: Secrets provided as command-line arguments are easily exposed. Use of this option
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/// should be limited to development and testing.
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#[arg(long, value_name = "SECRET", value_parser = parse_kx_secret)]
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pub mixnet_session_0_kx_secret: Option<pezsc_mixnet::KxSecret>,
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}
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impl MixnetParams {
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/// Returns the mixnet configuration, or `None` if the mixnet is disabled.
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pub fn config(&self, is_authority: bool) -> Option<pezsc_mixnet::Config> {
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self.mixnet.then(|| {
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let mut config = pezsc_mixnet::Config {
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core: pezsc_mixnet::CoreConfig {
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session_0_kx_secret: self.mixnet_session_0_kx_secret,
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..Default::default()
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},
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..Default::default()
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};
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if !is_authority {
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// Only authorities can be mixnodes; don't attempt to register
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config.bizinikiwi.register = false;
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// Only mixnodes need to allow connections from non-mixnodes
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config.bizinikiwi.num_gateway_slots = 0;
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}
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config
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})
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}
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}
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