tari_core 0.8.1

//  Copyright 2020, The Tari Project
//
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//  following conditions are met:
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//  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
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//  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.
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#![allow(clippy::type_complexity)]

use crate::chain_storage::ChainBlock;
use std::sync::Arc;
use tari_comms::peer_manager::NodeId;

#[derive(Default)]
pub(super) struct Hooks {
    on_progress_header: Vec<Box<dyn FnMut(u64, u64, &[NodeId]) + Send + Sync>>,
    on_progress_block: Vec<Box<dyn FnMut(Arc<ChainBlock>, u64, &[NodeId]) + Send + Sync>>,
    on_complete: Vec<Box<dyn FnMut(Arc<ChainBlock>) + Send + Sync>>,
    on_rewind: Vec<Box<dyn FnMut(Vec<Arc<ChainBlock>>) + Send + Sync>>,
}

impl Hooks {
    pub fn add_on_progress_header_hook<H>(&mut self, hook: H)
    where H: FnMut(u64, u64, &[NodeId]) + Send + Sync + 'static {
        self.on_progress_header.push(Box::new(hook));
    }

    pub fn call_on_progress_header_hooks(&mut self, height: u64, remote_tip_height: u64, sync_peers: &[NodeId]) {
        self.on_progress_header
            .iter_mut()
            .for_each(|f| (*f)(height, remote_tip_height, sync_peers));
    }

    pub fn add_on_progress_block_hook<H>(&mut self, hook: H)
    where H: FnMut(Arc<ChainBlock>, u64, &[NodeId]) + Send + Sync + 'static {
        self.on_progress_block.push(Box::new(hook));
    }

    pub fn call_on_progress_block_hooks(
        &mut self,
        block: Arc<ChainBlock>,
        remote_tip_height: u64,
        sync_peers: &[NodeId],
    )
    {
        self.on_progress_block
            .iter_mut()
            .for_each(|f| (*f)(block.clone(), remote_tip_height, sync_peers));
    }

    pub fn add_on_complete_hook<H>(&mut self, hook: H)
    where H: FnMut(Arc<ChainBlock>) + Send + Sync + 'static {
        self.on_complete.push(Box::new(hook));
    }

    pub fn call_on_complete_hooks(&mut self, final_block: Arc<ChainBlock>) {
        self.on_complete.iter_mut().for_each(|f| (*f)(final_block.clone()));
    }

    pub fn add_on_rewind_hook<H>(&mut self, hook: H)
    where H: FnMut(Vec<Arc<ChainBlock>>) + Send + Sync + 'static {
        self.on_rewind.push(Box::new(hook));
    }

    pub fn call_on_rewind_hooks(&mut self, blocks: Vec<Arc<ChainBlock>>) {
        self.on_rewind.iter_mut().for_each(|f| (*f)(blocks.clone()));
    }
}