17033178607

Committed 18 Aug 2025 06:45AM UTC coverage: 54.49% (-0.007%) from 54.497%

Build # 17033178607

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Commit Message

Merge branch 'development' of github.com:tari-project/tari into odev

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0.0

/base_layer/core/src/base_node/rpc/query_service.rs

// Copyright 2025 The Tari Project
// SPDX-License-Identifier: BSD-3-Clause

use std::cmp;

use log::trace;
use serde_valid::{validation, Validate};
use tari_common_types::{types, types::FixedHashSizeError};
use tari_utilities::{hex::Hex, ByteArray, ByteArrayError};
use thiserror::Error;

use crate::{
    base_node::{
        rpc::{
            models::{
                self,
                BlockUtxoInfo,
                GetUtxosByBlockRequest,
                GetUtxosByBlockResponse,
                MinimalUtxoSyncInfo,
                SyncUtxosByBlockRequest,
                SyncUtxosByBlockResponse,
                TipInfoResponse,
                TxLocation,
                TxQueryResponse,
            },
            BaseNodeWalletQueryService,
        },
        state_machine_service::states::StateInfo,
        StateMachineHandle,
    },
    chain_storage::{async_db::AsyncBlockchainDb, BlockchainBackend, ChainStorageError},
    mempool::{service::MempoolHandle, MempoolServiceError, TxStorageResponse},
    transactions::transaction_components::TransactionOutput,
};

const LOG_TARGET: &str = "c::bn::rpc::query_service";

#[derive(Debug, Error)]
pub enum Error {
    #[error("Failed to get chain metadata: {0}")]
    FailedToGetChainMetadata(#[from] ChainStorageError),
    #[error("Header not found at height: {height}")]
    HeaderNotFound { height: u64 },
    #[error("Signature conversion error: {0}")]
    SignatureConversion(ByteArrayError),
    #[error("Mempool service error: {0}")]
    MempoolService(#[from] MempoolServiceError),
    #[error("Serde validation error: {0}")]
    SerdeValidation(#[from] validation::Errors),
    #[error("Hash conversion error: {0}")]
    HashConversion(#[from] FixedHashSizeError),
    #[error("Start header hash not found")]
    StartHeaderHashNotFound,
    #[error("End header hash not found")]
    EndHeaderHashNotFound,
    #[error("Header hash not found")]
    HeaderHashNotFound,
    #[error("Start header height {start_height} cannot be greater than the end header height {end_height}")]
    HeaderHeightMismatch { start_height: u64, end_height: u64 },
}

pub struct Service<B> {
    db: AsyncBlockchainDb<B>,
    state_machine: StateMachineHandle,
    mempool: MempoolHandle,
}

impl<B: BlockchainBackend + 'static> Service<B> {
    pub fn new(db: AsyncBlockchainDb<B>, state_machine: StateMachineHandle, mempool: MempoolHandle) -> Self {
        Self {
            db,
            state_machine,
            mempool,
        }
    }

    fn state_machine(&self) -> StateMachineHandle {
        self.state_machine.clone()
    }

    fn db(&self) -> &AsyncBlockchainDb<B> {
        &self.db
    }

    fn mempool(&self) -> MempoolHandle {
        self.mempool.clone()
    }

    async fn fetch_kernel(&self, signature: types::Signature) -> Result<TxQueryResponse, Error> {
        let db = self.db();

        match db.fetch_kernel_by_excess_sig(signature.clone()).await? {
            None => (),
            Some((_, block_hash)) => match db.fetch_header_by_block_hash(block_hash).await? {
                None => (),
                Some(header) => {
                    let response = TxQueryResponse {
                        location: TxLocation::Mined,
                        mined_header_hash: Some(block_hash.to_vec()),
                        mined_height: Some(header.height),
                        mined_timestamp: Some(header.timestamp.as_u64()),
                    };
                    return Ok(response);
                },
            },
        };

        // If not in a block then check the mempool
        let mut mempool = self.mempool();
        let mempool_response = match mempool.get_tx_state_by_excess_sig(signature.clone()).await? {
            TxStorageResponse::UnconfirmedPool => TxQueryResponse {
                location: TxLocation::InMempool,
                mined_header_hash: None,
                mined_height: None,
                mined_timestamp: None,
            },
            TxStorageResponse::ReorgPool |
            TxStorageResponse::NotStoredOrphan |
            TxStorageResponse::NotStoredTimeLocked |
            TxStorageResponse::NotStoredAlreadySpent |
            TxStorageResponse::NotStoredConsensus |
            TxStorageResponse::NotStored |
            TxStorageResponse::NotStoredFeeTooLow |
            TxStorageResponse::NotStoredAlreadyMined => TxQueryResponse {
                location: TxLocation::NotStored,
                mined_timestamp: None,
                mined_height: None,
                mined_header_hash: None,
            },
        };

        Ok(mempool_response)
    }

    async fn fetch_utxos_by_block(&self, request: GetUtxosByBlockRequest) -> Result<GetUtxosByBlockResponse, Error> {
        request.validate()?;

        let hash = request.header_hash.clone().try_into()?;

        let header = self
            .db()
            .fetch_header_by_block_hash(hash)
            .await?
            .ok_or_else(|| Error::HeaderHashNotFound)?;

        // fetch utxos
        let outputs_with_statuses = self.db.fetch_outputs_in_block_with_spend_state(hash, None).await?;

        let outputs = outputs_with_statuses
            .into_iter()
            .map(|(output, _spent)| output)
            .collect::<Vec<TransactionOutput>>();

        // if its empty, we need to send an empty vec of outputs.
        let utxo_block_response = GetUtxosByBlockResponse {
            outputs,
            height: header.height,
            header_hash: hash.to_vec(),
            mined_timestamp: header.timestamp.as_u64(),
        };

        Ok(utxo_block_response)
    }

    #[allow(clippy::too_many_lines)]
    async fn fetch_utxos(&self, request: SyncUtxosByBlockRequest) -> Result<SyncUtxosByBlockResponse, Error> {
        // validate and fetch inputs
        request.validate()?;

        let hash = request.start_header_hash.clone().try_into()?;

        let start_header = self
            .db()
            .fetch_header_by_block_hash(hash)
            .await?
            .ok_or_else(|| Error::StartHeaderHashNotFound)?;

        let tip_header = self.db.fetch_tip_header().await?;
        // we only allow wallets to ask for a max of 100 blocks at a time and we want to cache the queries to ensure
        // they are in batch of 100 and we want to ensure they request goes to the nearest 100 block height so
        // we can cache all wallet's queries
        let increase = ((start_header.height + 100) / 100) * 100;
        let end_height = cmp::min(tip_header.header().height, increase);

        // pagination
        let start_header_height = start_header.height + (request.page * request.limit);
        let start_header = self
            .db
            .fetch_header(start_header_height)
            .await?
            .ok_or_else(|| Error::HeaderNotFound {
                height: start_header_height,
            })?;

        if start_header.height > tip_header.header().height {
            return Err(Error::HeaderHeightMismatch {
                start_height: start_header.height,
                end_height: tip_header.header().height,
            });
        }

        // fetch utxos
        let mut utxos = vec![];
        let mut current_header = start_header;
        let mut fetched_utxos = 0;
        let next_header_to_request;
        loop {
            let current_header_hash = current_header.hash();

            trace!(
                target: LOG_TARGET,
                "current header = {} ({})",
                current_header.height,
                current_header_hash.to_hex()
            );

            let outputs_with_statuses = self
                .db
                .fetch_outputs_in_block_with_spend_state(current_header.hash(), None)
                .await?;
            let mut inputs = self
                .db
                .fetch_inputs_in_block(current_header.hash())
                .await?
                .into_iter()
                .map(|input| input.output_hash().to_vec())
                .collect::<Vec<Vec<u8>>>();

            let outputs = outputs_with_statuses
                .into_iter()
                .map(|(output, _spent)| output)
                .collect::<Vec<TransactionOutput>>();

            for output_chunk in outputs.chunks(2000) {
                let inputs_to_send = if inputs.is_empty() {
                    Vec::new()
                } else {
                    let num_to_drain = inputs.len().min(2000);
                    inputs.drain(..num_to_drain).collect()
                };

                let output_block_response = BlockUtxoInfo {
                    outputs: output_chunk
                        .iter()
                        .map(|output| MinimalUtxoSyncInfo {
                            output_hash: output.hash().to_vec(),
                            commitment: output.commitment().to_vec(),
                            encrypted_data: output.encrypted_data().as_bytes().to_vec(),
                            sender_offset_public_key: output.sender_offset_public_key.to_vec(),
                        })
                        .collect(),
                    inputs: inputs_to_send,
                    height: current_header.height,
                    header_hash: current_header_hash.to_vec(),
                    mined_timestamp: current_header.timestamp.as_u64(),
                };
                utxos.push(output_block_response);
            }
            // We might still have inputs left to send if they are more than the outputs
            for input_chunk in inputs.chunks(2000) {
                let output_block_response = BlockUtxoInfo {
                    outputs: Vec::new(),
                    inputs: input_chunk.to_vec(),
                    height: current_header.height,
                    header_hash: current_header_hash.to_vec(),
                    mined_timestamp: current_header.timestamp.as_u64(),
                };
                utxos.push(output_block_response);
            }

            fetched_utxos += 1;

            if current_header.height >= tip_header.header().height {
                next_header_to_request = vec![];
                break;
            }
            if fetched_utxos >= request.limit {
                next_header_to_request = current_header.hash().to_vec();
                break;
            }

            current_header =
                self.db
                    .fetch_header(current_header.height + 1)
                    .await?
                    .ok_or_else(|| Error::HeaderNotFound {
                        height: current_header.height + 1,
                    })?;
            if current_header.height == end_height {
                next_header_to_request = current_header.hash().to_vec();
                break; // Stop if we reach the end height}
            }
        }

        let has_next_page = (end_height.saturating_sub(current_header.height)) > 0;

        Ok(SyncUtxosByBlockResponse {
            blocks: utxos,
            has_next_page,
            next_header_to_scan: next_header_to_request,
        })
    }
}

#[async_trait::async_trait]
impl<B: BlockchainBackend + 'static> BaseNodeWalletQueryService for Service<B> {
    type Error = Error;

    async fn get_tip_info(&self) -> Result<TipInfoResponse, Self::Error> {
        let state_machine = self.state_machine();
        let status_watch = state_machine.get_status_info_watch();
        let is_synced = match status_watch.borrow().state_info {
            StateInfo::Listening(li) => li.is_synced(),
            _ => false,
        };

        let metadata = self.db.get_chain_metadata().await?;

        Ok(TipInfoResponse {
            metadata: Some(metadata),
            is_synced,
        })
    }

    async fn get_header_by_height(&self, height: u64) -> Result<models::BlockHeader, Self::Error> {
        let result = self
            .db
            .fetch_header(height)
            .await?
            .ok_or(Error::HeaderNotFound { height })?
            .into();
        Ok(result)
    }

    async fn get_height_at_time(&self, epoch_time: u64) -> Result<u64, Self::Error> {
        trace!(target: LOG_TARGET, "requested_epoch_time: {}", epoch_time);
        let tip_header = self.db.fetch_tip_header().await?;

        let mut left_height = 0u64;
        let mut right_height = tip_header.height();

        while left_height <= right_height {
            let mut mid_height = (left_height + right_height) / 2;

            if mid_height == 0 {
                return Ok(0u64);
            }
            // If the two bounds are adjacent then perform the test between the right and left sides
            if left_height == mid_height {
                mid_height = right_height;
            }

            let mid_header = self
                .db
                .fetch_header(mid_height)
                .await?
                .ok_or_else(|| Error::HeaderNotFound { height: mid_height })?;
            let before_mid_header = self
                .db
                .fetch_header(mid_height - 1)
                .await?
                .ok_or_else(|| Error::HeaderNotFound { height: mid_height - 1 })?;
            trace!(
                target: LOG_TARGET,
                "requested_epoch_time: {}, left: {}, mid: {}/{} ({}/{}), right: {}",
                epoch_time,
                left_height,
                mid_height,
                mid_height-1,
                mid_header.timestamp.as_u64(),
                before_mid_header.timestamp.as_u64(),
                right_height
            );
            if epoch_time < mid_header.timestamp.as_u64() && epoch_time >= before_mid_header.timestamp.as_u64() {
                trace!(
                    target: LOG_TARGET,
                    "requested_epoch_time: {}, selected height: {}",
                    epoch_time, before_mid_header.height
                );
                return Ok(before_mid_header.height);
            } else if mid_height == right_height {
                trace!(
                    target: LOG_TARGET,
                    "requested_epoch_time: {epoch_time}, selected height: {right_height}"
                );
                return Ok(right_height);
            } else if epoch_time <= mid_header.timestamp.as_u64() {
                right_height = mid_height;
            } else {
                left_height = mid_height;
            }
        }

        Ok(0u64)
    }

    async fn transaction_query(
        &self,
        signature: crate::base_node::rpc::models::Signature,
    ) -> Result<TxQueryResponse, Self::Error> {
        let signature = signature.try_into().map_err(Error::SignatureConversion)?;

        let response = self.fetch_kernel(signature).await?;

        Ok(response)
    }

    async fn sync_utxos_by_block(
        &self,
        request: SyncUtxosByBlockRequest,
    ) -> Result<SyncUtxosByBlockResponse, Self::Error> {
        self.fetch_utxos(request).await
    }

    async fn get_utxos_by_block(
        &self,
        request: GetUtxosByBlockRequest,
    ) -> Result<GetUtxosByBlockResponse, Self::Error> {
        self.fetch_utxos_by_block(request).await
    }

    async fn get_utxos_mined_info(
        &self,
        request: models::GetUtxosMinedInfoRequest,
    ) -> Result<models::GetUtxosMinedInfoResponse, Self::Error> {
        request.validate()?;

        let mut utxos = vec![];

        let tip_header = self.db().fetch_tip_header().await?;
        for hash in request.hashes {
            let hash = hash.try_into()?;
            let output = self.db().fetch_output(hash).await?;
            if let Some(output) = output {
                utxos.push(models::MinedUtxoInfo {
                    utxo_hash: hash.to_vec(),
                    mined_in_hash: output.header_hash.to_vec(),
                    mined_in_height: output.mined_height,
                    mined_in_timestamp: output.mined_timestamp,
                });
            }
        }

        Ok(models::GetUtxosMinedInfoResponse {
            utxos,
            best_block_hash: tip_header.hash().to_vec(),
            best_block_height: tip_header.height(),
        })
    }

    async fn get_utxos_deleted_info(
        &self,
        request: models::GetUtxosDeletedInfoRequest,
    ) -> Result<models::GetUtxosDeletedInfoResponse, Self::Error> {
        request.validate()?;

        let mut utxos = vec![];

        let must_include_header = request.must_include_header.clone().try_into()?;
        if self
            .db()
            .fetch_header_by_block_hash(must_include_header)
            .await?
            .is_none()
        {
            return Err(Error::HeaderHashNotFound);
        }

        let tip_header = self.db().fetch_tip_header().await?;
        for hash in request.hashes {
            let hash = hash.try_into()?;
            let output = self.db().fetch_output(hash).await?;

            if let Some(output) = output {
                // is it still unspent?
                let input = self.db().fetch_input(hash).await?;
                if let Some(i) = input {
                    utxos.push(models::DeletedUtxoInfo {
                        utxo_hash: hash.to_vec(),
                        found_in_header: Some((output.mined_height, output.header_hash.to_vec())),
                        spent_in_header: Some((i.spent_height, i.header_hash.to_vec())),
                    });
                } else {
                    utxos.push(models::DeletedUtxoInfo {
                        utxo_hash: hash.to_vec(),
                        found_in_header: Some((output.mined_height, output.header_hash.to_vec())),
                        spent_in_header: None,
                    });
                }
            } else {
                utxos.push(models::DeletedUtxoInfo {
                    utxo_hash: hash.to_vec(),
                    found_in_header: None,
                    spent_in_header: None,
                });
            }
        }

        Ok(models::GetUtxosDeletedInfoResponse {
            utxos,
            best_block_hash: tip_header.hash().to_vec(),
            best_block_height: tip_header.height(),
        })
    }
}

1	// Copyright 2025 The Tari Project
2	// SPDX-License-Identifier: BSD-3-Clause
3
4	use std::cmp;
5
6	use log::trace;
7	use serde_valid::{validation, Validate};
8	use tari_common_types::{types, types::FixedHashSizeError};
9	use tari_utilities::{hex::Hex, ByteArray, ByteArrayError};
10	use thiserror::Error;
11
12	use crate::{
13	base_node::{
14	rpc::{
15	models::{
16	self,
17	BlockUtxoInfo,
18	GetUtxosByBlockRequest,
19	GetUtxosByBlockResponse,
20	MinimalUtxoSyncInfo,
21	SyncUtxosByBlockRequest,
22	SyncUtxosByBlockResponse,
23	TipInfoResponse,
24	TxLocation,
25	TxQueryResponse,
26	},
27	BaseNodeWalletQueryService,
28	},
29	state_machine_service::states::StateInfo,
30	StateMachineHandle,
31	},
32	chain_storage::{async_db::AsyncBlockchainDb, BlockchainBackend, ChainStorageError},
33	mempool::{service::MempoolHandle, MempoolServiceError, TxStorageResponse},
34	transactions::transaction_components::TransactionOutput,
35	};
36
37	const LOG_TARGET: &str = "c::bn::rpc::query_service";
38
39	#[derive(Debug, Error)]
40	pub enum Error {
41	#[error("Failed to get chain metadata: {0}")]
42	FailedToGetChainMetadata(#[from] ChainStorageError),
43	#[error("Header not found at height: {height}")]
44	HeaderNotFound { height: u64 },
45	#[error("Signature conversion error: {0}")]
46	SignatureConversion(ByteArrayError),
47	#[error("Mempool service error: {0}")]
48	MempoolService(#[from] MempoolServiceError),
49	#[error("Serde validation error: {0}")]
50	SerdeValidation(#[from] validation::Errors),
51	#[error("Hash conversion error: {0}")]
52	HashConversion(#[from] FixedHashSizeError),
53	#[error("Start header hash not found")]
54	StartHeaderHashNotFound,
55	#[error("End header hash not found")]
56	EndHeaderHashNotFound,
57	#[error("Header hash not found")]
58	HeaderHashNotFound,
59	#[error("Start header height {start_height} cannot be greater than the end header height {end_height}")]
60	HeaderHeightMismatch { start_height: u64, end_height: u64 },
61	}
62
63	pub struct Service<B> {
64	db: AsyncBlockchainDb<B>,
65	state_machine: StateMachineHandle,
66	mempool: MempoolHandle,
67	}
68
69	impl<B: BlockchainBackend + 'static> Service<B> {
70	pub fn new(db: AsyncBlockchainDb<B>, state_machine: StateMachineHandle, mempool: MempoolHandle) -> Self {	×
71	Self {	×
72	db,	×
73	state_machine,	×
74	mempool,	×
75	}	×
76	}	×
77
78	fn state_machine(&self) -> StateMachineHandle {	×
79	self.state_machine.clone()	×
80	}	×
81
82	fn db(&self) -> &AsyncBlockchainDb<B> {	×
83	&self.db	×
84	}	×
85
86	fn mempool(&self) -> MempoolHandle {	×
87	self.mempool.clone()	×
88	}	×
89
90	async fn fetch_kernel(&self, signature: types::Signature) -> Result<TxQueryResponse, Error> {	×
91	let db = self.db();	×
92		×
93	match db.fetch_kernel_by_excess_sig(signature.clone()).await? {	×
94	None => (),	×
95	Some((_, block_hash)) => match db.fetch_header_by_block_hash(block_hash).await? {	×
96	None => (),	×
97	Some(header) => {	×
98	let response = TxQueryResponse {	×
99	location: TxLocation::Mined,	×
100	mined_header_hash: Some(block_hash.to_vec()),	×
101	mined_height: Some(header.height),	×
102	mined_timestamp: Some(header.timestamp.as_u64()),	×
103	};	×
104	return Ok(response);	×
105	},
106	},
107	};
108
109	// If not in a block then check the mempool
110	let mut mempool = self.mempool();	×
111	let mempool_response = match mempool.get_tx_state_by_excess_sig(signature.clone()).await? {	×
112	TxStorageResponse::UnconfirmedPool => TxQueryResponse {	×
113	location: TxLocation::InMempool,	×
114	mined_header_hash: None,	×
115	mined_height: None,	×
116	mined_timestamp: None,	×
117	},	×
118	TxStorageResponse::ReorgPool \|
119	TxStorageResponse::NotStoredOrphan \|
120	TxStorageResponse::NotStoredTimeLocked \|
121	TxStorageResponse::NotStoredAlreadySpent \|
122	TxStorageResponse::NotStoredConsensus \|
123	TxStorageResponse::NotStored \|
124	TxStorageResponse::NotStoredFeeTooLow \|
125	TxStorageResponse::NotStoredAlreadyMined => TxQueryResponse {	×
126	location: TxLocation::NotStored,	×
127	mined_timestamp: None,	×
128	mined_height: None,	×
129	mined_header_hash: None,	×
130	},	×
131	};
132
133	Ok(mempool_response)	×
134	}	×
135
136	async fn fetch_utxos_by_block(&self, request: GetUtxosByBlockRequest) -> Result<GetUtxosByBlockResponse, Error> {	×
137	request.validate()?;	×
138
139	let hash = request.header_hash.clone().try_into()?;	×
140
141	let header = self	×
142	.db()	×
143	.fetch_header_by_block_hash(hash)	×
144	.await?	×
145	.ok_or_else(\|\| Error::HeaderHashNotFound)?;	×
146
147	// fetch utxos
148	let outputs_with_statuses = self.db.fetch_outputs_in_block_with_spend_state(hash, None).await?;	×
149
150	let outputs = outputs_with_statuses	×
151	.into_iter()	×
152	.map(\|(output, _spent)\| output)	×
153	.collect::<Vec<TransactionOutput>>();	×
154		×
155	// if its empty, we need to send an empty vec of outputs.	×
156	let utxo_block_response = GetUtxosByBlockResponse {	×
157	outputs,	×
158	height: header.height,	×
159	header_hash: hash.to_vec(),	×
160	mined_timestamp: header.timestamp.as_u64(),	×
161	};	×
162		×
163	Ok(utxo_block_response)	×
164	}	×
165
166	#[allow(clippy::too_many_lines)]
167	async fn fetch_utxos(&self, request: SyncUtxosByBlockRequest) -> Result<SyncUtxosByBlockResponse, Error> {	×
168	// validate and fetch inputs	×
169	request.validate()?;	×
170
171	let hash = request.start_header_hash.clone().try_into()?;	×
172
173	let start_header = self	×
174	.db()	×
175	.fetch_header_by_block_hash(hash)	×
176	.await?	×
177	.ok_or_else(\|\| Error::StartHeaderHashNotFound)?;	×
178
179	let tip_header = self.db.fetch_tip_header().await?;	×
180	// we only allow wallets to ask for a max of 100 blocks at a time and we want to cache the queries to ensure
181	// they are in batch of 100 and we want to ensure they request goes to the nearest 100 block height so
182	// we can cache all wallet's queries
183	let increase = ((start_header.height + 100) / 100) * 100;	×
184	let end_height = cmp::min(tip_header.header().height, increase);	×
185		×
186	// pagination	×
187	let start_header_height = start_header.height + (request.page * request.limit);	×
188	let start_header = self	×
189	.db	×
190	.fetch_header(start_header_height)	×
191	.await?	×
192	.ok_or_else(\|\| Error::HeaderNotFound {	×
193	height: start_header_height,	×
194	})?;	×
195
196	if start_header.height > tip_header.header().height {	×
197	return Err(Error::HeaderHeightMismatch {	×
198	start_height: start_header.height,	×
199	end_height: tip_header.header().height,	×
200	});	×
201	}	×
202		×
203	// fetch utxos	×
204	let mut utxos = vec![];	×
205	let mut current_header = start_header;	×
206	let mut fetched_utxos = 0;	×
207	let next_header_to_request;
208	loop {
209	let current_header_hash = current_header.hash();	×
210		×
211	trace!(	×
212	target: LOG_TARGET,	×
213	"current header = {} ({})",	×
214	current_header.height,	×
215	current_header_hash.to_hex()	×
216	);
217
218	let outputs_with_statuses = self	×
219	.db	×
220	.fetch_outputs_in_block_with_spend_state(current_header.hash(), None)	×
221	.await?;	×
222	let mut inputs = self	×
223	.db	×
224	.fetch_inputs_in_block(current_header.hash())	×
225	.await?	×
226	.into_iter()	×
227	.map(\|input\| input.output_hash().to_vec())	×
228	.collect::<Vec<Vec<u8>>>();	×
229		×
230	let outputs = outputs_with_statuses	×
231	.into_iter()	×
232	.map(\|(output, _spent)\| output)	×
233	.collect::<Vec<TransactionOutput>>();	×
234
235	for output_chunk in outputs.chunks(2000) {	×
236	let inputs_to_send = if inputs.is_empty() {	×
237	Vec::new()	×
238	} else {
239	let num_to_drain = inputs.len().min(2000);	×
240	inputs.drain(..num_to_drain).collect()	×
241	};
242
243	let output_block_response = BlockUtxoInfo {	×
244	outputs: output_chunk	×
245	.iter()	×
246	.map(\|output\| MinimalUtxoSyncInfo {	×
247	output_hash: output.hash().to_vec(),	×
248	commitment: output.commitment().to_vec(),	×
249	encrypted_data: output.encrypted_data().as_bytes().to_vec(),	×
250	sender_offset_public_key: output.sender_offset_public_key.to_vec(),	×
251	})	×
252	.collect(),	×
253	inputs: inputs_to_send,	×
254	height: current_header.height,	×
255	header_hash: current_header_hash.to_vec(),	×
256	mined_timestamp: current_header.timestamp.as_u64(),	×
257	};	×
258	utxos.push(output_block_response);	×
259	}	×
260	// We might still have inputs left to send if they are more than the outputs
261	for input_chunk in inputs.chunks(2000) {	×
262	let output_block_response = BlockUtxoInfo {	×
263	outputs: Vec::new(),	×
264	inputs: input_chunk.to_vec(),	×
265	height: current_header.height,	×
266	header_hash: current_header_hash.to_vec(),	×
267	mined_timestamp: current_header.timestamp.as_u64(),	×
268	};	×
269	utxos.push(output_block_response);	×
270	}	×
271
272	fetched_utxos += 1;	×
273		×
274	if current_header.height >= tip_header.header().height {	×
275	next_header_to_request = vec![];	×
276	break;	×
277	}	×
278	if fetched_utxos >= request.limit {	×
279	next_header_to_request = current_header.hash().to_vec();	×
280	break;	×
281	}	×
282
283	current_header =	×
284	self.db	×
285	.fetch_header(current_header.height + 1)	×
286	.await?	×
287	.ok_or_else(\|\| Error::HeaderNotFound {	×
288	height: current_header.height + 1,	×
289	})?;	×
290	if current_header.height == end_height {	×
291	next_header_to_request = current_header.hash().to_vec();	×
292	break; // Stop if we reach the end height}	×
293	}	×
294	}
295
296	let has_next_page = (end_height.saturating_sub(current_header.height)) > 0;	×
297		×
298	Ok(SyncUtxosByBlockResponse {	×
299	blocks: utxos,	×
300	has_next_page,	×
301	next_header_to_scan: next_header_to_request,	×
302	})	×
303	}	×
304	}
305
306	#[async_trait::async_trait]
307	impl<B: BlockchainBackend + 'static> BaseNodeWalletQueryService for Service<B> {
308	type Error = Error;
309
310	async fn get_tip_info(&self) -> Result<TipInfoResponse, Self::Error> {	×
311	let state_machine = self.state_machine();	×
312	let status_watch = state_machine.get_status_info_watch();	×
313	let is_synced = match status_watch.borrow().state_info {	×
314	StateInfo::Listening(li) => li.is_synced(),	×
315	_ => false,	×
316	};
317
318	let metadata = self.db.get_chain_metadata().await?;	×
319
320	Ok(TipInfoResponse {	×
321	metadata: Some(metadata),	×
322	is_synced,	×
323	})	×
324	}	×
325
326	async fn get_header_by_height(&self, height: u64) -> Result<models::BlockHeader, Self::Error> {	×
327	let result = self	×
328	.db	×
329	.fetch_header(height)	×
330	.await?	×
331	.ok_or(Error::HeaderNotFound { height })?	×
332	.into();	×
333	Ok(result)	×
334	}	×
335
336	async fn get_height_at_time(&self, epoch_time: u64) -> Result<u64, Self::Error> {	×
337	trace!(target: LOG_TARGET, "requested_epoch_time: {}", epoch_time);	×
338	let tip_header = self.db.fetch_tip_header().await?;	×
339
340	let mut left_height = 0u64;	×
341	let mut right_height = tip_header.height();	×
342
343	while left_height <= right_height {	×
344	let mut mid_height = (left_height + right_height) / 2;	×
345		×
346	if mid_height == 0 {	×
347	return Ok(0u64);	×
348	}	×
349	// If the two bounds are adjacent then perform the test between the right and left sides	×
350	if left_height == mid_height {	×
351	mid_height = right_height;	×
352	}	×
353
354	let mid_header = self	×
355	.db	×
356	.fetch_header(mid_height)	×
357	.await?	×
358	.ok_or_else(\|\| Error::HeaderNotFound { height: mid_height })?;	×
359	let before_mid_header = self	×
360	.db	×
361	.fetch_header(mid_height - 1)	×
362	.await?	×
363	.ok_or_else(\|\| Error::HeaderNotFound { height: mid_height - 1 })?;	×
364	trace!(	×
365	target: LOG_TARGET,	×
366	"requested_epoch_time: {}, left: {}, mid: {}/{} ({}/{}), right: {}",	×
367	epoch_time,	×
368	left_height,	×
369	mid_height,	×
370	mid_height-1,	×
371	mid_header.timestamp.as_u64(),	×
372	before_mid_header.timestamp.as_u64(),	×
373	right_height
374	);
375	if epoch_time < mid_header.timestamp.as_u64() && epoch_time >= before_mid_header.timestamp.as_u64() {	×
376	trace!(	×
377	target: LOG_TARGET,	×
378	"requested_epoch_time: {}, selected height: {}",	×
379	epoch_time, before_mid_header.height
380	);
381	return Ok(before_mid_header.height);	×
382	} else if mid_height == right_height {	×
383	trace!(	×
384	target: LOG_TARGET,	×
NEW 385	"requested_epoch_time: {epoch_time}, selected height: {right_height}"	×
386	);
387	return Ok(right_height);	×
388	} else if epoch_time <= mid_header.timestamp.as_u64() {	×
389	right_height = mid_height;	×
390	} else {	×
391	left_height = mid_height;	×
UNCOV 392	}	×
393	}
394
395	Ok(0u64)	×
UNCOV 396	}	×
397
398	async fn transaction_query(
399	&self,
400	signature: crate::base_node::rpc::models::Signature,
401	) -> Result<TxQueryResponse, Self::Error> {	×
UNCOV 402	let signature = signature.try_into().map_err(Error::SignatureConversion)?;	×
403
UNCOV 404	let response = self.fetch_kernel(signature).await?;	×
405
406	Ok(response)	×
UNCOV 407	}	×
408
409	async fn sync_utxos_by_block(
410	&self,
411	request: SyncUtxosByBlockRequest,
412	) -> Result<SyncUtxosByBlockResponse, Self::Error> {	×
413	self.fetch_utxos(request).await	×
UNCOV 414	}	×
415
416	async fn get_utxos_by_block(
417	&self,
418	request: GetUtxosByBlockRequest,
419	) -> Result<GetUtxosByBlockResponse, Self::Error> {	×
420	self.fetch_utxos_by_block(request).await	×
UNCOV 421	}	×
422
423	async fn get_utxos_mined_info(
424	&self,
425	request: models::GetUtxosMinedInfoRequest,
426	) -> Result<models::GetUtxosMinedInfoResponse, Self::Error> {	×
UNCOV 427	request.validate()?;	×
428
UNCOV 429	let mut utxos = vec![];	×
430
431	let tip_header = self.db().fetch_tip_header().await?;	×
432	for hash in request.hashes {	×
433	let hash = hash.try_into()?;	×
434	let output = self.db().fetch_output(hash).await?;	×
435	if let Some(output) = output {	×
436	utxos.push(models::MinedUtxoInfo {	×
437	utxo_hash: hash.to_vec(),	×
438	mined_in_hash: output.header_hash.to_vec(),	×
439	mined_in_height: output.mined_height,	×
440	mined_in_timestamp: output.mined_timestamp,	×
441	});	×
UNCOV 442	}	×
443	}
444
445	Ok(models::GetUtxosMinedInfoResponse {	×
446	utxos,	×
447	best_block_hash: tip_header.hash().to_vec(),	×
448	best_block_height: tip_header.height(),	×
449	})	×
UNCOV 450	}	×
451
452	async fn get_utxos_deleted_info(
453	&self,
454	request: models::GetUtxosDeletedInfoRequest,
455	) -> Result<models::GetUtxosDeletedInfoResponse, Self::Error> {	×
UNCOV 456	request.validate()?;	×
457
UNCOV 458	let mut utxos = vec![];	×
459
460	let must_include_header = request.must_include_header.clone().try_into()?;	×
461	if self	×
462	.db()	×
463	.fetch_header_by_block_hash(must_include_header)	×
464	.await?	×
UNCOV 465	.is_none()	×
466	{
467	return Err(Error::HeaderHashNotFound);	×
UNCOV 468	}	×
469
470	let tip_header = self.db().fetch_tip_header().await?;	×
471	for hash in request.hashes {	×
472	let hash = hash.try_into()?;	×
UNCOV 473	let output = self.db().fetch_output(hash).await?;	×
474
UNCOV 475	if let Some(output) = output {	×
476	// is it still unspent?
477	let input = self.db().fetch_input(hash).await?;	×
478	if let Some(i) = input {	×
479	utxos.push(models::DeletedUtxoInfo {	×
480	utxo_hash: hash.to_vec(),	×
481	found_in_header: Some((output.mined_height, output.header_hash.to_vec())),	×
482	spent_in_header: Some((i.spent_height, i.header_hash.to_vec())),	×
483	});	×
484	} else {	×
485	utxos.push(models::DeletedUtxoInfo {	×
486	utxo_hash: hash.to_vec(),	×
487	found_in_header: Some((output.mined_height, output.header_hash.to_vec())),	×
488	spent_in_header: None,	×
489	});	×
490	}	×
491	} else {	×
492	utxos.push(models::DeletedUtxoInfo {	×
493	utxo_hash: hash.to_vec(),	×
494	found_in_header: None,	×
495	spent_in_header: None,	×
496	});	×
UNCOV 497	}	×
498	}
499
500	Ok(models::GetUtxosDeletedInfoResponse {	×
501	utxos,	×
502	best_block_hash: tip_header.hash().to_vec(),	×
503	best_block_height: tip_header.height(),	×
504	})	×
UNCOV 505	}	×
506	}

tari-project / tari / 17033178607

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