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feat: update committee from the committee definions TXs (#3911)
Description --- Update the validation node based on the committee definitions. Fixes the bug that I was not able to create asset. How Has This Been Tested? --- Manually (but only adding, since we don't have committee change option). But should work fine.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // Copyright 2022. The Tari Project | ||
| // | ||
| // Redistribution and use in source and binary forms, with or without modification, are permitted provided that the | ||
| // following conditions are met: | ||
| // | ||
| // 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following | ||
| // disclaimer. | ||
| // | ||
| // 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the | ||
| // following disclaimer in the documentation and/or other materials provided with the distribution. | ||
| // | ||
| // 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote | ||
| // products derived from this software without specific prior written permission. | ||
| // | ||
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | ||
| // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | ||
| // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | ||
| // USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
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| use std::{ | ||
| collections::HashMap, | ||
| sync::{ | ||
| atomic::{AtomicBool, Ordering}, | ||
| Arc, | ||
| }, | ||
| }; | ||
|
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| use tari_dan_core::models::AssetDefinition; | ||
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| #[derive(Debug)] | ||
| pub struct Asset { | ||
| definition: AssetDefinition, | ||
| current_state: bool, | ||
| // Changes in the committee for this asset. | ||
| // Mined height of the change TXs, and the involvement in the committe (true = part of committee) | ||
| next_states: HashMap<u64, bool>, | ||
| kill_signal: Option<Arc<AtomicBool>>, | ||
| } | ||
|
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| impl Asset { | ||
| pub fn new(definition: AssetDefinition) -> Self { | ||
| Self { | ||
| definition, | ||
| current_state: false, | ||
| next_states: HashMap::new(), | ||
| kill_signal: None, | ||
| } | ||
| } | ||
|
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| pub fn update_height<Fstart>(&mut self, height: u64, start: Fstart) | ||
| where Fstart: Fn(AssetDefinition) -> Arc<AtomicBool> { | ||
| if let Some((&height, &involvement)) = self | ||
| .next_states | ||
| .iter() | ||
| .find(|(&mined_height, _)| mined_height <= height) | ||
| { | ||
| // State change | ||
| if self.current_state != involvement { | ||
| if involvement { | ||
| self.kill_signal = Some(start(self.definition.clone())); | ||
| } else { | ||
| // Switch on the kill signal for the asset to end processing | ||
| let stop = self.kill_signal.clone().unwrap(); | ||
| stop.as_ref().store(true, Ordering::Relaxed); | ||
| self.kill_signal = None; | ||
| } | ||
| } | ||
| self.current_state = involvement; | ||
| // We have the current state set and we will keep only future updates | ||
| self.next_states | ||
| .retain(|&effective_height, _| effective_height > height); | ||
| // Monitor this asset if we are part of committee or there is a next state | ||
| } | ||
| } | ||
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| // If we are part of committe or there is a next state then monitor this asset | ||
| pub fn should_monitor(&self) -> bool { | ||
| self.current_state || !self.next_states.is_empty() | ||
| } | ||
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| pub fn add_state(&mut self, height: u64, involvement: bool) { | ||
| self.next_states.insert(height, involvement); | ||
| } | ||
|
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| pub fn is_committee_member(&self) -> bool { | ||
| self.current_state | ||
| } | ||
| } |
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