tmp/src/pow.rs

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/*
* mCaptcha - A proof of work based DoS protection system
* Copyright © 2021 Aravinth Manivannan <realravinth@batsense.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
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//! PoW datatypes used in client-server interaction
use pow_sha256::PoW;
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use serde::{Deserialize, Serialize};
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pub use pow_sha256::ConfigBuilder;
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/// PoW requirement datatype that is be sent to clients for generating PoW
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#[derive(Clone, Serialize, Deserialize, Debug)]
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pub struct PoWConfig {
pub string: String,
pub difficulty_factor: u32,
}
impl PoWConfig {
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/// create new instance of [PoWConfig]
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pub fn new(m: u32) -> Self {
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use crate::utils::get_random;
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PoWConfig {
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string: get_random(32),
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difficulty_factor: m,
}
}
}
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/// PoW datatype that clients send to server
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#[derive(Clone, Serialize, Deserialize, Debug)]
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pub struct Work {
pub string: String,
pub result: String,
pub nonce: u64,
}
impl From<Work> for PoW<String> {
fn from(w: Work) -> Self {
use pow_sha256::PoWBuilder;
PoWBuilder::default()
.result(w.result)
.nonce(w.nonce)
.build()
.unwrap()
}
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}