sui_indexer_alt_jsonrpc/data/
checkpoints.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
// Copyright (c) Mysten Labs, Inc.
// SPDX-License-Identifier: Apache-2.0

use std::{
    collections::{BTreeSet, HashMap},
    sync::Arc,
};

use async_graphql::dataloader::Loader;
use diesel::{ExpressionMethods, QueryDsl};
use sui_indexer_alt_schema::{checkpoints::StoredCheckpoint, schema::kv_checkpoints};
use sui_types::{
    crypto::AuthorityQuorumSignInfo,
    messages_checkpoint::{CheckpointContents, CheckpointSummary},
};

use super::{bigtable_reader::BigtableReader, error::Error, pg_reader::PgReader};

/// Key for fetching a checkpoint's content by its sequence number.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub(crate) struct CheckpointKey(pub u64);

#[async_trait::async_trait]
impl Loader<CheckpointKey> for PgReader {
    type Value = StoredCheckpoint;
    type Error = Arc<Error>;

    async fn load(
        &self,
        keys: &[CheckpointKey],
    ) -> Result<HashMap<CheckpointKey, Self::Value>, Self::Error> {
        use kv_checkpoints::dsl as c;

        if keys.is_empty() {
            return Ok(HashMap::new());
        }

        let mut conn = self.connect().await.map_err(Arc::new)?;

        let seqs: BTreeSet<_> = keys.iter().map(|d| d.0 as i64).collect();
        let checkpoints: Vec<StoredCheckpoint> = conn
            .results(c::kv_checkpoints.filter(c::sequence_number.eq_any(seqs)))
            .await
            .map_err(Arc::new)?;

        Ok(checkpoints
            .into_iter()
            .map(|c| (CheckpointKey(c.sequence_number as u64), c))
            .collect())
    }
}

#[async_trait::async_trait]
impl Loader<CheckpointKey> for BigtableReader {
    type Value = (
        CheckpointSummary,
        CheckpointContents,
        AuthorityQuorumSignInfo<true>,
    );
    type Error = Arc<Error>;

    async fn load(
        &self,
        keys: &[CheckpointKey],
    ) -> Result<HashMap<CheckpointKey, Self::Value>, Self::Error> {
        if keys.is_empty() {
            return Ok(HashMap::new());
        }

        let checkpoint_keys: Vec<_> = keys.iter().map(|k| k.0).collect();

        Ok(self
            .checkpoints(&checkpoint_keys)
            .await?
            .into_iter()
            .map(|c| {
                (
                    CheckpointKey(c.summary.sequence_number),
                    (c.summary, c.contents, c.signatures),
                )
            })
            .collect())
    }
}