15423730966

Committed 03 Jun 2025 05:20PM UTC coverage: 72.329% (-0.4%) from 72.763%

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SWvheerden

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update readme

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/base_layer/core/src/base_node/state_machine_service/initializer.rs

// Copyright 2020. 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.

use std::sync::Arc;

use log::*;
use tari_comms::{connectivity::ConnectivityRequester, PeerManager};
use tari_comms_dht::Dht;
use tari_service_framework::{async_trait, ServiceInitializationError, ServiceInitializer, ServiceInitializerContext};
use tokio::sync::{broadcast, watch};

use crate::{
    base_node::{
        chain_metadata_service::ChainMetadataHandle,
        state_machine_service::{
            handle::StateMachineHandle,
            state_machine::{BaseNodeStateMachine, BaseNodeStateMachineConfig},
            states::StatusInfo,
        },
        sync::SyncValidators,
        LocalNodeCommsInterface,
    },
    chain_storage::{async_db::AsyncBlockchainDb, BlockchainBackend},
    consensus::ConsensusManager,
    proof_of_work::randomx_factory::RandomXFactory,
    transactions::CryptoFactories,
};

const LOG_TARGET: &str = "c::bn::state_machine_service::initializer";

pub struct BaseNodeStateMachineInitializer<B> {
    db: AsyncBlockchainDb<B>,
    config: BaseNodeStateMachineConfig,
    rules: ConsensusManager,
    factories: CryptoFactories,
    randomx_factory: RandomXFactory,
    bypass_range_proof_verification: bool,
}

impl<B> BaseNodeStateMachineInitializer<B>
where B: BlockchainBackend + 'static
{
    pub fn new(
        db: AsyncBlockchainDb<B>,
        config: BaseNodeStateMachineConfig,
        rules: ConsensusManager,
        factories: CryptoFactories,
        randomx_factory: RandomXFactory,
        bypass_range_proof_verification: bool,
    ) -> Self {
        Self {
            db,
            config,
            rules,
            factories,
            randomx_factory,
            bypass_range_proof_verification,
        }
    }
}

#[async_trait]
impl<B> ServiceInitializer for BaseNodeStateMachineInitializer<B>
where B: BlockchainBackend + 'static
{
    async fn initialize(&mut self, context: ServiceInitializerContext) -> Result<(), ServiceInitializationError> {
        trace!(target: LOG_TARGET, "Initializing Base Node State Machine Service");
        let (state_event_publisher, _) = broadcast::channel(500);
        let (status_event_sender, status_event_receiver) = watch::channel(StatusInfo::new());

        let handle = StateMachineHandle::new(
            state_event_publisher.clone(),
            status_event_receiver,
            context.get_shutdown_signal(),
        );
        context.register_handle(handle);

        let factories = self.factories.clone();
        let rules = self.rules.clone();
        let db = self.db.clone();
        let config = self.config.clone();
        let randomx_factory = self.randomx_factory.clone();
        let bypass_range_proof_verification = self.bypass_range_proof_verification;

        context.spawn_when_ready(move |handles| async move {
            let chain_metadata_service = handles.expect_handle::<ChainMetadataHandle>();
            let node_local_interface = handles.expect_handle::<LocalNodeCommsInterface>();
            let connectivity = handles.expect_handle::<ConnectivityRequester>();
            let peer_manager = handles.expect_handle::<Arc<PeerManager>>();

            let sync_validators =
                SyncValidators::full_consensus(rules.clone(), factories, bypass_range_proof_verification);

            let dht = handles.expect_handle::<Dht>();
            let node = BaseNodeStateMachine::new(
                db,
                node_local_interface,
                connectivity,
                chain_metadata_service.get_event_stream(),
                peer_manager,
                dht.subscribe_dht_events(),
                config,
                sync_validators,
                status_event_sender,
                state_event_publisher,
                randomx_factory,
                rules,
                handles.get_shutdown_signal(),
            );
            node.run().await;
            info!(target: LOG_TARGET, "Base Node State Machine Service has shut down");
        });
        debug!(target: LOG_TARGET, "Base Node State Machine Service initialized");

        Ok(())
    }
}

1	// Copyright 2020. The Tari Project
2	//
3	// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
4	// following conditions are met:
5	//
6	// 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
7	// disclaimer.
8	//
9	// 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
10	// following disclaimer in the documentation and/or other materials provided with the distribution.
11	//
12	// 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
13	// products derived from this software without specific prior written permission.
14	//
15	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
16	// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17	// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18	// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19	// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
20	// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
21	// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22
23	use std::sync::Arc;
24
25	use log::*;
26	use tari_comms::{connectivity::ConnectivityRequester, PeerManager};
27	use tari_comms_dht::Dht;
28	use tari_service_framework::{async_trait, ServiceInitializationError, ServiceInitializer, ServiceInitializerContext};
29	use tokio::sync::{broadcast, watch};
30
31	use crate::{
32	base_node::{
33	chain_metadata_service::ChainMetadataHandle,
34	state_machine_service::{
35	handle::StateMachineHandle,
36	state_machine::{BaseNodeStateMachine, BaseNodeStateMachineConfig},
37	states::StatusInfo,
38	},
39	sync::SyncValidators,
40	LocalNodeCommsInterface,
41	},
42	chain_storage::{async_db::AsyncBlockchainDb, BlockchainBackend},
43	consensus::ConsensusManager,
44	proof_of_work::randomx_factory::RandomXFactory,
45	transactions::CryptoFactories,
46	};
47
48	const LOG_TARGET: &str = "c::bn::state_machine_service::initializer";
49
50	pub struct BaseNodeStateMachineInitializer<B> {
51	db: AsyncBlockchainDb<B>,
52	config: BaseNodeStateMachineConfig,
53	rules: ConsensusManager,
54	factories: CryptoFactories,
55	randomx_factory: RandomXFactory,
56	bypass_range_proof_verification: bool,
57	}
58
59	impl<B> BaseNodeStateMachineInitializer<B>
60	where B: BlockchainBackend + 'static
61	{
62	pub fn new(	×
63	db: AsyncBlockchainDb<B>,	×
64	config: BaseNodeStateMachineConfig,	×
65	rules: ConsensusManager,	×
66	factories: CryptoFactories,	×
67	randomx_factory: RandomXFactory,	×
68	bypass_range_proof_verification: bool,	×
69	) -> Self {	×
70	Self {	×
71	db,	×
72	config,	×
73	rules,	×
74	factories,	×
75	randomx_factory,	×
76	bypass_range_proof_verification,	×
77	}	×
78	}	×
79	}
80
81	#[async_trait]
82	impl<B> ServiceInitializer for BaseNodeStateMachineInitializer<B>
83	where B: BlockchainBackend + 'static
84	{
85	async fn initialize(&mut self, context: ServiceInitializerContext) -> Result<(), ServiceInitializationError> {	×
86	trace!(target: LOG_TARGET, "Initializing Base Node State Machine Service");	×
87	let (state_event_publisher, _) = broadcast::channel(500);	×
88	let (status_event_sender, status_event_receiver) = watch::channel(StatusInfo::new());	×
89		×
90	let handle = StateMachineHandle::new(	×
91	state_event_publisher.clone(),	×
92	status_event_receiver,	×
93	context.get_shutdown_signal(),	×
94	);	×
95	context.register_handle(handle);	×
96		×
97	let factories = self.factories.clone();	×
98	let rules = self.rules.clone();	×
99	let db = self.db.clone();	×
100	let config = self.config.clone();	×
101	let randomx_factory = self.randomx_factory.clone();	×
102	let bypass_range_proof_verification = self.bypass_range_proof_verification;	×
103		×
104	context.spawn_when_ready(move \|handles\| async move {	×
105	let chain_metadata_service = handles.expect_handle::<ChainMetadataHandle>();	×
106	let node_local_interface = handles.expect_handle::<LocalNodeCommsInterface>();	×
107	let connectivity = handles.expect_handle::<ConnectivityRequester>();	×
108	let peer_manager = handles.expect_handle::<Arc<PeerManager>>();	×
109		×
110	let sync_validators =	×
111	SyncValidators::full_consensus(rules.clone(), factories, bypass_range_proof_verification);	×
112		×
113	let dht = handles.expect_handle::<Dht>();	×
114	let node = BaseNodeStateMachine::new(	×
115	db,	×
116	node_local_interface,	×
117	connectivity,	×
118	chain_metadata_service.get_event_stream(),	×
119	peer_manager,	×
120	dht.subscribe_dht_events(),	×
121	config,	×
122	sync_validators,	×
123	status_event_sender,	×
124	state_event_publisher,	×
125	randomx_factory,	×
126	rules,	×
127	handles.get_shutdown_signal(),	×
128	);	×
129	node.run().await;	×
130	info!(target: LOG_TARGET, "Base Node State Machine Service has shut down");	×
131	});	×
132	debug!(target: LOG_TARGET, "Base Node State Machine Service initialized");	×
133
134	Ok(())	×
135	}	×
136	}

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