15280118615

// Copyright 2021. 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::{
    convert::{TryFrom, TryInto},
    sync::Arc,
    time::Instant,
};

use log::*;
use tari_comms::{
    peer_manager::NodeId,
    protocol::rpc::{Request, RpcStatus, RpcStatusResultExt},
    utils,
};
use tari_utilities::{hex::Hex, ByteArray};
use tokio::{sync::mpsc, task};

#[cfg(feature = "metrics")]
use crate::base_node::metrics;
use crate::{
    blocks::BlockHeader,
    chain_storage::{async_db::AsyncBlockchainDb, BlockchainBackend},
    proto,
    proto::base_node::{sync_utxos_response::Txo, SyncUtxosRequest, SyncUtxosResponse},
};

const LOG_TARGET: &str = "c::base_node::sync_rpc::sync_utxo_task";

pub(crate) struct SyncUtxosTask<B> {
    db: AsyncBlockchainDb<B>,
    peer_node_id: Arc<NodeId>,
}

impl<B> SyncUtxosTask<B>
where B: BlockchainBackend + 'static
{
    pub(crate) fn new(db: AsyncBlockchainDb<B>, peer_node_id: Arc<NodeId>) -> Self {
        Self { db, peer_node_id }
    }

    pub(crate) async fn run(
        self,
        request: Request<SyncUtxosRequest>,
        mut tx: mpsc::Sender<Result<SyncUtxosResponse, RpcStatus>>,
    ) -> Result<(), RpcStatus> {
        let msg = request.into_message();
        let start_hash = msg
            .start_header_hash
            .clone()
            .try_into()
            .rpc_status_bad_request("Invalid header hash")?;

        let start_header = self
            .db
            .fetch_header_by_block_hash(start_hash)
            .await
            .rpc_status_internal_error(LOG_TARGET)?
            .ok_or_else(|| RpcStatus::not_found("Start header hash was not found"))?;

        let end_hash = msg
            .end_header_hash
            .clone()
            .try_into()
            .rpc_status_bad_request("Invalid header hash")?;

        let end_header = self
            .db
            .fetch_header_by_block_hash(end_hash)
            .await
            .rpc_status_internal_error(LOG_TARGET)?
            .ok_or_else(|| RpcStatus::not_found("End header hash was not found"))?;
        if start_header.height > end_header.height {
            return Err(RpcStatus::bad_request(&format!(
                "Start header height({}) cannot be greater than the end header height({})",
                start_header.height, end_header.height
            )));
        }

        task::spawn(async move {
            debug!(
                target: LOG_TARGET,
                "Starting UTXO stream for peer '{}'", self.peer_node_id
            );
            if let Err(err) = self.start_streaming(&mut tx, start_header, end_header).await {
                debug!(
                    target: LOG_TARGET,
                    "UTXO stream errored for peer '{}': {}", self.peer_node_id, err
                );
                let _result = tx.send(Err(err)).await;
            }
            debug!(
                target: LOG_TARGET,
                "UTXO stream completed for peer '{}'", self.peer_node_id
            );
            #[cfg(feature = "metrics")]
            metrics::active_sync_peers().dec();
        });

        Ok(())
    }

    #[allow(clippy::too_many_lines)]
    async fn start_streaming(
        &self,
        tx: &mut mpsc::Sender<Result<SyncUtxosResponse, RpcStatus>>,
        mut current_header: BlockHeader,
        end_header: BlockHeader,
    ) -> Result<(), RpcStatus> {
        debug!(
            target: LOG_TARGET,
            "Starting stream task with current_header: {}, end_header: {}",
            current_header.hash().to_hex(),
            end_header.hash().to_hex(),
        );

        // If this is a pruned node and outputs have been requested for an initial sync, we need to discover and send
        // the outputs from the genesis block that have been pruned as well
        let mut pruned_genesis_block_outputs = Vec::new();
        let metadata = self
            .db
            .get_chain_metadata()
            .await
            .rpc_status_internal_error(LOG_TARGET)?;
        if current_header.height == 1 && metadata.is_pruned_node() {
            let genesis_block = self.db.fetch_genesis_block();
            for output in genesis_block.block().body.outputs() {
                let output_hash = output.hash();
                if self
                    .db
                    .fetch_output(output_hash)
                    .await
                    .rpc_status_internal_error(LOG_TARGET)?
                    .is_none()
                {
                    trace!(
                        target: LOG_TARGET,
                        "Spent genesis TXO (commitment '{}') to peer",
                        output.commitment.to_hex()
                    );
                    pruned_genesis_block_outputs.push(Ok(SyncUtxosResponse {
                        txo: Some(Txo::Commitment(output.commitment.as_bytes().to_vec())),
                        mined_header: current_header.hash().to_vec(),
                    }));
                }
            }
        }

        let start_header = current_header.clone();
        loop {
            let timer = Instant::now();
            let current_header_hash = current_header.hash();
            debug!(
                target: LOG_TARGET,
                "Streaming TXO(s) for block #{} ({})",
                current_header.height,
                current_header_hash.to_hex()
            );
            if tx.is_closed() {
                debug!(target: LOG_TARGET, "Peer '{}' exited TXO sync session early", self.peer_node_id);
                break;
            }

            let outputs_with_statuses = self
                .db
                .fetch_outputs_in_block_with_spend_state(current_header_hash, Some(end_header.hash()))
                .await
                .rpc_status_internal_error(LOG_TARGET)?;
            if tx.is_closed() {
                debug!(target: LOG_TARGET, "Peer '{}' exited TXO sync session early", self.peer_node_id);
                break;
            }

            let mut outputs = Vec::with_capacity(outputs_with_statuses.len());
            for (output, spent) in outputs_with_statuses {
                if output.is_burned() {
                    continue;
                }
                if !spent {
                    match proto::types::TransactionOutput::try_from(output.clone()) {
                        Ok(tx_ouput) => {
                            trace!(
                                target: LOG_TARGET,
                                "Unspent TXO (commitment '{}') to peer",
                                output.commitment.to_hex()
                            );
                            outputs.push(Ok(SyncUtxosResponse {
                                txo: Some(Txo::Output(tx_ouput)),
                                mined_header: current_header_hash.to_vec(),
                            }));
                        },
                        Err(e) => {
                            return Err(RpcStatus::general(&format!(
                                "Output '{}' RPC conversion error ({})",
                                output.hash().to_hex(),
                                e
                            )))
                        },
                    }
                }
            }
            debug!(
                target: LOG_TARGET,
                "Adding {} outputs in response for block #{} '{}'", outputs.len(),
                current_header.height,
                current_header_hash
            );

            let inputs_in_block = self
                .db
                .fetch_inputs_in_block(current_header_hash)
                .await
                .rpc_status_internal_error(LOG_TARGET)?;
            if tx.is_closed() {
                debug!(target: LOG_TARGET, "Peer '{}' exited TXO sync session early", self.peer_node_id);
                break;
            }

            let mut inputs = Vec::with_capacity(inputs_in_block.len());
            for input in inputs_in_block {
                let output_from_current_tranche = if let Some(mined_info) = self
                    .db
                    .fetch_output(input.output_hash())
                    .await
                    .rpc_status_internal_error(LOG_TARGET)?
                {
                    mined_info.mined_height >= start_header.height
                } else {
                    false
                };

                if output_from_current_tranche {
                    trace!(target: LOG_TARGET, "Spent TXO (hash '{}') not sent to peer", input.output_hash().to_hex());
                } else {
                    let input_commitment = match self.db.fetch_output(input.output_hash()).await {
                        Ok(Some(o)) => o.output.commitment,
                        Ok(None) => {
                            return Err(RpcStatus::general(&format!(
                                "Mined info for input '{}' not found",
                                input.output_hash().to_hex()
                            )))
                        },
                        Err(e) => {
                            return Err(RpcStatus::general(&format!(
                                "Input '{}' not found ({})",
                                input.output_hash().to_hex(),
                                e
                            )))
                        },
                    };
                    trace!(target: LOG_TARGET, "Spent TXO (commitment '{}') to peer", input_commitment.to_hex());
                    inputs.push(Ok(SyncUtxosResponse {
                        txo: Some(Txo::Commitment(input_commitment.as_bytes().to_vec())),
                        mined_header: current_header_hash.to_vec(),
                    }));
                }
            }
            debug!(
                target: LOG_TARGET,
                "Adding {} inputs in response for block #{} '{}'", inputs.len(),
                current_header.height,
                current_header_hash
            );

            let mut txos = Vec::with_capacity(outputs.len() + inputs.len());
            txos.append(&mut outputs);
            txos.append(&mut inputs);
            if start_header == current_header {
                debug!(
                    target: LOG_TARGET,
                    "Adding {} genesis block pruned inputs in response for block #{} '{}'", pruned_genesis_block_outputs.len(),
                    current_header.height,
                    current_header_hash
                );
                txos.append(&mut pruned_genesis_block_outputs);
            }
            let txos = txos.into_iter();

            // Ensure task stops if the peer prematurely stops their RPC session
            let txos_len = txos.len();
            if utils::mpsc::send_all(tx, txos).await.is_err() {
                break;
            }

            debug!(
                target: LOG_TARGET,
                "Streamed {} TXOs in {:.2?} (including stream backpressure)",
                txos_len,
                timer.elapsed()
            );

            if current_header.height + 1 > end_header.height {
                break;
            }

            current_header = self
                .db
                .fetch_header(current_header.height + 1)
                .await
                .rpc_status_internal_error(LOG_TARGET)?
                .ok_or_else(|| {
                    RpcStatus::general(&format!(
                        "Potential data consistency issue: header {} not found",
                        current_header.height + 1
                    ))
                })?;
        }

        debug!(
            target: LOG_TARGET,
            "TXO sync completed to Header hash = {}",
            current_header.hash().to_hex()
        );

        Ok(())
    }
}

1	// Copyright 2021. 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::{
24	convert::{TryFrom, TryInto},
25	sync::Arc,
26	time::Instant,
27	};
28
29	use log::*;
30	use tari_comms::{
31	peer_manager::NodeId,
32	protocol::rpc::{Request, RpcStatus, RpcStatusResultExt},
33	utils,
34	};
35	use tari_utilities::{hex::Hex, ByteArray};
36	use tokio::{sync::mpsc, task};
37
38	#[cfg(feature = "metrics")]
39	use crate::base_node::metrics;
40	use crate::{
41	blocks::BlockHeader,
42	chain_storage::{async_db::AsyncBlockchainDb, BlockchainBackend},
43	proto,
44	proto::base_node::{sync_utxos_response::Txo, SyncUtxosRequest, SyncUtxosResponse},
45	};
46
47	const LOG_TARGET: &str = "c::base_node::sync_rpc::sync_utxo_task";
48
49	pub(crate) struct SyncUtxosTask<B> {
50	db: AsyncBlockchainDb<B>,
51	peer_node_id: Arc<NodeId>,
52	}
53
54	impl<B> SyncUtxosTask<B>
55	where B: BlockchainBackend + 'static
56	{
57	pub(crate) fn new(db: AsyncBlockchainDb<B>, peer_node_id: Arc<NodeId>) -> Self {	2✔
58	Self { db, peer_node_id }	2✔
59	}	2✔
60
61	pub(crate) async fn run(	2✔
62	self,	2✔
63	request: Request<SyncUtxosRequest>,	2✔
64	mut tx: mpsc::Sender<Result<SyncUtxosResponse, RpcStatus>>,	2✔
65	) -> Result<(), RpcStatus> {	2✔
66	let msg = request.into_message();	2✔
67	let start_hash = msg	2✔
68	.start_header_hash	2✔
69	.clone()	2✔
70	.try_into()	2✔
71	.rpc_status_bad_request("Invalid header hash")?;	2✔
72
73	let start_header = self	2✔
74	.db	2✔
75	.fetch_header_by_block_hash(start_hash)	2✔
76	.await	2✔
77	.rpc_status_internal_error(LOG_TARGET)?	2✔
78	.ok_or_else(\|\| RpcStatus::not_found("Start header hash was not found"))?;	2✔
79
80	let end_hash = msg	1✔
81	.end_header_hash	1✔
82	.clone()	1✔
83	.try_into()	1✔
84	.rpc_status_bad_request("Invalid header hash")?;	1✔
85
86	let end_header = self	1✔
87	.db	1✔
88	.fetch_header_by_block_hash(end_hash)	1✔
89	.await	1✔
90	.rpc_status_internal_error(LOG_TARGET)?	1✔
91	.ok_or_else(\|\| RpcStatus::not_found("End header hash was not found"))?;	1✔
UNCOV 92	if start_header.height > end_header.height {	×
93	return Err(RpcStatus::bad_request(&format!(	×
94	"Start header height({}) cannot be greater than the end header height({})",	×
95	start_header.height, end_header.height	×
96	)));	×
UNCOV 97	}	×
UNCOV 98		×
UNCOV 99	task::spawn(async move {	×
UNCOV 100	debug!(	×
101	target: LOG_TARGET,	×
102	"Starting UTXO stream for peer '{}'", self.peer_node_id	×
103	);
UNCOV 104	if let Err(err) = self.start_streaming(&mut tx, start_header, end_header).await {	×
105	debug!(	×
106	target: LOG_TARGET,	×
107	"UTXO stream errored for peer '{}': {}", self.peer_node_id, err	×
108	);
109	let _result = tx.send(Err(err)).await;	×
UNCOV 110	}	×
UNCOV 111	debug!(	×
112	target: LOG_TARGET,	×
113	"UTXO stream completed for peer '{}'", self.peer_node_id	×
114	);
115	#[cfg(feature = "metrics")]
UNCOV 116	metrics::active_sync_peers().dec();	×
UNCOV 117	});	×
UNCOV 118		×
UNCOV 119	Ok(())	×
120	}	2✔
121
122	#[allow(clippy::too_many_lines)]
UNCOV 123	async fn start_streaming(	×
UNCOV 124	&self,	×
UNCOV 125	tx: &mut mpsc::Sender<Result<SyncUtxosResponse, RpcStatus>>,	×
UNCOV 126	mut current_header: BlockHeader,	×
UNCOV 127	end_header: BlockHeader,	×
UNCOV 128	) -> Result<(), RpcStatus> {	×
UNCOV 129	debug!(	×
130	target: LOG_TARGET,	×
131	"Starting stream task with current_header: {}, end_header: {}",	×
132	current_header.hash().to_hex(),	×
133	end_header.hash().to_hex(),	×
134	);
135
136	// If this is a pruned node and outputs have been requested for an initial sync, we need to discover and send
137	// the outputs from the genesis block that have been pruned as well
UNCOV 138	let mut pruned_genesis_block_outputs = Vec::new();	×
UNCOV 139	let metadata = self	×
UNCOV 140	.db	×
UNCOV 141	.get_chain_metadata()	×
UNCOV 142	.await	×
UNCOV 143	.rpc_status_internal_error(LOG_TARGET)?;	×
UNCOV 144	if current_header.height == 1 && metadata.is_pruned_node() {	×
145	let genesis_block = self.db.fetch_genesis_block();	×
146	for output in genesis_block.block().body.outputs() {	×
147	let output_hash = output.hash();	×
148	if self	×
149	.db	×
150	.fetch_output(output_hash)	×
151	.await	×
152	.rpc_status_internal_error(LOG_TARGET)?	×
153	.is_none()	×
154	{
155	trace!(	×
156	target: LOG_TARGET,	×
157	"Spent genesis TXO (commitment '{}') to peer",	×
158	output.commitment.to_hex()	×
159	);
160	pruned_genesis_block_outputs.push(Ok(SyncUtxosResponse {	×
161	txo: Some(Txo::Commitment(output.commitment.as_bytes().to_vec())),	×
162	mined_header: current_header.hash().to_vec(),	×
163	}));	×
164	}	×
165	}
UNCOV 166	}	×
167
UNCOV 168	let start_header = current_header.clone();	×
169	loop {
UNCOV 170	let timer = Instant::now();	×
UNCOV 171	let current_header_hash = current_header.hash();	×
UNCOV 172	debug!(	×
173	target: LOG_TARGET,	×
174	"Streaming TXO(s) for block #{} ({})",	×
175	current_header.height,	×
176	current_header_hash.to_hex()	×
177	);
UNCOV 178	if tx.is_closed() {	×
179	debug!(target: LOG_TARGET, "Peer '{}' exited TXO sync session early", self.peer_node_id);	×
180	break;	×
UNCOV 181	}	×
182
UNCOV 183	let outputs_with_statuses = self	×
UNCOV 184	.db	×
UNCOV 185	.fetch_outputs_in_block_with_spend_state(current_header_hash, Some(end_header.hash()))	×
UNCOV 186	.await	×
UNCOV 187	.rpc_status_internal_error(LOG_TARGET)?;	×
UNCOV 188	if tx.is_closed() {	×
189	debug!(target: LOG_TARGET, "Peer '{}' exited TXO sync session early", self.peer_node_id);	×
190	break;	×
UNCOV 191	}	×
UNCOV 192		×
UNCOV 193	let mut outputs = Vec::with_capacity(outputs_with_statuses.len());	×
UNCOV 194	for (output, spent) in outputs_with_statuses {	×
UNCOV 195	if output.is_burned() {	×
196	continue;	×
UNCOV 197	}	×
UNCOV 198	if !spent {	×
UNCOV 199	match proto::types::TransactionOutput::try_from(output.clone()) {	×
UNCOV 200	Ok(tx_ouput) => {	×
UNCOV 201	trace!(	×
202	target: LOG_TARGET,	×
203	"Unspent TXO (commitment '{}') to peer",	×
204	output.commitment.to_hex()	×
205	);
UNCOV 206	outputs.push(Ok(SyncUtxosResponse {	×
UNCOV 207	txo: Some(Txo::Output(tx_ouput)),	×
UNCOV 208	mined_header: current_header_hash.to_vec(),	×
UNCOV 209	}));	×
210	},
211	Err(e) => {	×
212	return Err(RpcStatus::general(&format!(	×
213	"Output '{}' RPC conversion error ({})",	×
214	output.hash().to_hex(),	×
215	e	×
216	)))	×
217	},
218	}
UNCOV 219	}	×
220	}
UNCOV 221	debug!(	×
222	target: LOG_TARGET,	×
223	"Adding {} outputs in response for block #{} '{}'", outputs.len(),	×
224	current_header.height,
225	current_header_hash
226	);
227
UNCOV 228	let inputs_in_block = self	×
UNCOV 229	.db	×
UNCOV 230	.fetch_inputs_in_block(current_header_hash)	×
UNCOV 231	.await	×
UNCOV 232	.rpc_status_internal_error(LOG_TARGET)?;	×
UNCOV 233	if tx.is_closed() {	×
234	debug!(target: LOG_TARGET, "Peer '{}' exited TXO sync session early", self.peer_node_id);	×
235	break;	×
UNCOV 236	}	×
UNCOV 237		×
UNCOV 238	let mut inputs = Vec::with_capacity(inputs_in_block.len());	×
UNCOV 239	for input in inputs_in_block {	×
UNCOV 240	let output_from_current_tranche = if let Some(mined_info) = self	×
UNCOV 241	.db	×
UNCOV 242	.fetch_output(input.output_hash())	×
UNCOV 243	.await	×
UNCOV 244	.rpc_status_internal_error(LOG_TARGET)?	×
245	{
UNCOV 246	mined_info.mined_height >= start_header.height	×
247	} else {
248	false	×
249	};
250
UNCOV 251	if output_from_current_tranche {	×
UNCOV 252	trace!(target: LOG_TARGET, "Spent TXO (hash '{}') not sent to peer", input.output_hash().to_hex());	×
253	} else {
UNCOV 254	let input_commitment = match self.db.fetch_output(input.output_hash()).await {	×
UNCOV 255	Ok(Some(o)) => o.output.commitment,	×
256	Ok(None) => {
257	return Err(RpcStatus::general(&format!(	×
258	"Mined info for input '{}' not found",	×
259	input.output_hash().to_hex()	×
260	)))	×
261	},
262	Err(e) => {	×
263	return Err(RpcStatus::general(&format!(	×
264	"Input '{}' not found ({})",	×
265	input.output_hash().to_hex(),	×
266	e	×
267	)))	×
268	},
269	};
UNCOV 270	trace!(target: LOG_TARGET, "Spent TXO (commitment '{}') to peer", input_commitment.to_hex());	×
UNCOV 271	inputs.push(Ok(SyncUtxosResponse {	×
UNCOV 272	txo: Some(Txo::Commitment(input_commitment.as_bytes().to_vec())),	×
UNCOV 273	mined_header: current_header_hash.to_vec(),	×
UNCOV 274	}));	×
275	}
276	}
UNCOV 277	debug!(	×
278	target: LOG_TARGET,	×
279	"Adding {} inputs in response for block #{} '{}'", inputs.len(),	×
280	current_header.height,
281	current_header_hash
282	);
283
UNCOV 284	let mut txos = Vec::with_capacity(outputs.len() + inputs.len());	×
UNCOV 285	txos.append(&mut outputs);	×
UNCOV 286	txos.append(&mut inputs);	×
UNCOV 287	if start_header == current_header {	×
UNCOV 288	debug!(	×
289	target: LOG_TARGET,	×
290	"Adding {} genesis block pruned inputs in response for block #{} '{}'", pruned_genesis_block_outputs.len(),	×
291	current_header.height,
292	current_header_hash
293	);
UNCOV 294	txos.append(&mut pruned_genesis_block_outputs);	×
UNCOV 295	}	×
UNCOV 296	let txos = txos.into_iter();	×
UNCOV 297		×
UNCOV 298	// Ensure task stops if the peer prematurely stops their RPC session	×
UNCOV 299	let txos_len = txos.len();	×
UNCOV 300	if utils::mpsc::send_all(tx, txos).await.is_err() {	×
301	break;	×
UNCOV 302	}	×
UNCOV 303		×
UNCOV 304	debug!(	×
305	target: LOG_TARGET,	×
306	"Streamed {} TXOs in {:.2?} (including stream backpressure)",	×
307	txos_len,	×
308	timer.elapsed()	×
309	);
310
UNCOV 311	if current_header.height + 1 > end_header.height {	×
UNCOV 312	break;	×
UNCOV 313	}	×
314
UNCOV 315	current_header = self	×
UNCOV 316	.db	×
UNCOV 317	.fetch_header(current_header.height + 1)	×
UNCOV 318	.await	×
UNCOV 319	.rpc_status_internal_error(LOG_TARGET)?	×
UNCOV 320	.ok_or_else(\|\| {	×
321	RpcStatus::general(&format!(	×
322	"Potential data consistency issue: header {} not found",	×
323	current_header.height + 1	×
324	))	×
UNCOV 325	})?;	×
326	}
327
UNCOV 328	debug!(	×
329	target: LOG_TARGET,	×
330	"TXO sync completed to Header hash = {}",	×
331	current_header.hash().to_hex()	×
332	);
333
UNCOV 334	Ok(())	×
UNCOV 335	}	×
336	}

tari-project / tari / 15280118615

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