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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169

// Copyright (c) The Diem Core Contributors
// SPDX-License-Identifier: Apache-2.0

// Copyright 2021 Conflux Foundation. All rights reserved.
// Conflux is free software and distributed under GNU General Public License.
// See http://www.gnu.org/licenses/

//! This module provides mock dbreader for tests.

use crate::{DBReaderForPoW, DbReader, StartupInfo, TreeState};
use anyhow::Result;
use diem_crypto::HashValue;
use diem_types::{
    account_address::AccountAddress,
    account_state_blob::{AccountStateBlob, AccountStateWithProof},
    committed_block::CommittedBlock,
    contract_event::ContractEvent,
    epoch_change::EpochChangeProof,
    ledger_info::LedgerInfoWithSignatures,
    proof::{AccumulatorConsistencyProof, SparseMerkleProof},
    reward_distribution_event::RewardDistributionEventV2,
    transaction::{TransactionListWithProof, TransactionWithProof, Version},
};

/// This is a mock of the dbreader in tests.
pub struct MockDbReader;

impl DbReader for MockDbReader {
    fn get_epoch_ending_ledger_infos(
        &self, _start_epoch: u64, _end_epoch: u64,
    ) -> Result<EpochChangeProof> {
        unimplemented!()
    }

    fn get_transactions(
        &self, _start_version: Version, _batch_size: u64,
        _ledger_version: Version, _fetch_events: bool,
    ) -> Result<TransactionListWithProof> {
        unimplemented!()
    }

    fn get_block_timestamp(&self, _version: u64) -> Result<u64> {
        unimplemented!()
    }

    fn get_latest_account_state(
        &self, _address: AccountAddress,
    ) -> Result<Option<AccountStateBlob>> {
        unimplemented!()
    }

    /// Returns the latest ledger info.
    fn get_latest_ledger_info(&self) -> Result<LedgerInfoWithSignatures> {
        unimplemented!()
    }

    fn get_startup_info(
        &self, _need_pos_state: bool,
    ) -> Result<Option<StartupInfo>> {
        unimplemented!()
    }

    fn get_txn_by_account(
        &self, _address: AccountAddress, _seq_num: u64,
        _ledger_version: Version, _fetch_events: bool,
    ) -> Result<Option<TransactionWithProof>> {
        unimplemented!()
    }

    fn get_state_proof_with_ledger_info(
        &self, _known_version: u64, _ledger_info: LedgerInfoWithSignatures,
    ) -> Result<(EpochChangeProof, AccumulatorConsistencyProof)> {
        unimplemented!()
    }

    fn get_state_proof(
        &self, _known_version: u64,
    ) -> Result<(
        LedgerInfoWithSignatures,
        EpochChangeProof,
        AccumulatorConsistencyProof,
    )> {
        unimplemented!()
    }

    fn get_account_state_with_proof(
        &self, _address: AccountAddress, _version: Version,
        _ledger_version: Version,
    ) -> Result<AccountStateWithProof> {
        unimplemented!()
    }

    fn get_account_state_with_proof_by_version(
        &self, _address: AccountAddress, _version: Version,
    ) -> Result<(
        Option<AccountStateBlob>,
        SparseMerkleProof<AccountStateBlob>,
    )> {
        unimplemented!()
    }

    fn get_latest_state_root(&self) -> Result<(Version, HashValue)> {
        unimplemented!()
    }

    fn get_latest_tree_state(&self) -> Result<TreeState> { unimplemented!() }

    fn get_epoch_ending_ledger_info(
        &self, _known_version: u64,
    ) -> Result<LedgerInfoWithSignatures> {
        unimplemented!()
    }
}

impl DBReaderForPoW for MockDbReader {
    fn get_latest_ledger_info_option(
        &self,
    ) -> Option<LedgerInfoWithSignatures> {
        todo!()
    }

    fn get_block_ledger_info(
        &self, _consensus_block_id: &HashValue,
    ) -> anyhow::Result<LedgerInfoWithSignatures> {
        todo!()
    }

    fn get_events_by_version(
        &self, _start_version: u64, _end_version: u64,
    ) -> anyhow::Result<Vec<ContractEvent>> {
        todo!()
    }

    fn get_epoch_ending_blocks(
        &self, _start_epoch: u64, _end_epoch: u64,
    ) -> anyhow::Result<Vec<HashValue>> {
        todo!()
    }

    fn get_reward_event(
        &self, _epoch: u64,
    ) -> anyhow::Result<RewardDistributionEventV2> {
        todo!()
    }

    fn get_committed_block_by_hash(
        &self, _block_hash: &HashValue,
    ) -> anyhow::Result<CommittedBlock> {
        todo!()
    }

    fn get_committed_block_hash_by_view(
        &self, _view: u64,
    ) -> Result<HashValue> {
        todo!()
    }

    fn get_ledger_info_by_voted_block(
        &self, _block_id: &HashValue,
    ) -> Result<LedgerInfoWithSignatures> {
        todo!()
    }

    fn get_block_hash_by_epoch_and_round(
        &self, _epoch: u64, _round: u64,
    ) -> Result<HashValue> {
        todo!()
    }
}