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| 1 | +package mock |
| 2 | + |
| 3 | +import ( |
| 4 | + "crypto/sha256" |
| 5 | + "fmt" |
| 6 | + |
| 7 | + "cosmossdk.io/core/log" |
| 8 | + corestore "cosmossdk.io/core/store" |
| 9 | + |
| 10 | + storev2 "cosmossdk.io/store/v2" |
| 11 | + "cosmossdk.io/store/v2/commitment" |
| 12 | + "cosmossdk.io/store/v2/commitment/iavl" |
| 13 | + dbm "cosmossdk.io/store/v2/db" |
| 14 | + "cosmossdk.io/store/v2/proof" |
| 15 | + "cosmossdk.io/store/v2/storage" |
| 16 | + "cosmossdk.io/store/v2/storage/sqlite" |
| 17 | +) |
| 18 | + |
| 19 | +type MockStore struct { |
| 20 | + Storage storev2.VersionedDatabase |
| 21 | + Commiter storev2.Committer |
| 22 | +} |
| 23 | + |
| 24 | +func NewMockStorage(logger log.Logger, dir string) storev2.VersionedDatabase { |
| 25 | + storageDB, _ := sqlite.New(dir) |
| 26 | + ss := storage.NewStorageStore(storageDB, logger) |
| 27 | + return ss |
| 28 | +} |
| 29 | + |
| 30 | +func NewMockCommiter(logger log.Logger, actors ...string) storev2.Committer { |
| 31 | + treeMap := make(map[string]commitment.Tree) |
| 32 | + for _, actor := range actors { |
| 33 | + tree := iavl.NewIavlTree(dbm.NewMemDB(), logger, iavl.DefaultConfig()) |
| 34 | + treeMap[actor] = tree |
| 35 | + } |
| 36 | + sc, _ := commitment.NewCommitStore(treeMap, treeMap, dbm.NewMemDB(), logger) |
| 37 | + return sc |
| 38 | +} |
| 39 | + |
| 40 | +func NewMockStore(ss storev2.VersionedDatabase, sc storev2.Committer) *MockStore { |
| 41 | + return &MockStore{Storage: ss, Commiter: sc} |
| 42 | +} |
| 43 | + |
| 44 | +func (s *MockStore) GetLatestVersion() (uint64, error) { |
| 45 | + lastCommitID, err := s.LastCommitID() |
| 46 | + if err != nil { |
| 47 | + return 0, err |
| 48 | + } |
| 49 | + |
| 50 | + return lastCommitID.Version, nil |
| 51 | +} |
| 52 | + |
| 53 | +func (s *MockStore) StateLatest() (uint64, corestore.ReaderMap, error) { |
| 54 | + v, err := s.GetLatestVersion() |
| 55 | + if err != nil { |
| 56 | + return 0, nil, err |
| 57 | + } |
| 58 | + |
| 59 | + return v, NewMockReaderMap(v, s), nil |
| 60 | +} |
| 61 | + |
| 62 | +func (s *MockStore) Commit(changeset *corestore.Changeset) (corestore.Hash, error) { |
| 63 | + v, _, _ := s.StateLatest() |
| 64 | + err := s.Storage.ApplyChangeset(v, changeset) |
| 65 | + if err != nil { |
| 66 | + return []byte{}, err |
| 67 | + } |
| 68 | + |
| 69 | + err = s.Commiter.WriteChangeset(changeset) |
| 70 | + if err != nil { |
| 71 | + return []byte{}, err |
| 72 | + } |
| 73 | + |
| 74 | + commitInfo, err := s.Commiter.Commit(v + 1) |
| 75 | + fmt.Println("commitInfo", commitInfo, err) |
| 76 | + return []byte{}, err |
| 77 | +} |
| 78 | + |
| 79 | +func (s *MockStore) StateAt(version uint64) (corestore.ReaderMap, error) { |
| 80 | + info, err := s.Commiter.GetCommitInfo(version) |
| 81 | + if err != nil || info == nil { |
| 82 | + return nil, fmt.Errorf("failed to get commit info for version %d: %w", version, err) |
| 83 | + } |
| 84 | + return NewMockReaderMap(version, s), nil |
| 85 | +} |
| 86 | + |
| 87 | +func (s *MockStore) GetStateStorage() storev2.VersionedDatabase { |
| 88 | + return s.Storage |
| 89 | +} |
| 90 | + |
| 91 | +func (s *MockStore) GetStateCommitment() storev2.Committer { |
| 92 | + return s.Commiter |
| 93 | +} |
| 94 | + |
| 95 | +type Result struct { |
| 96 | + key []byte |
| 97 | + value []byte |
| 98 | + version uint64 |
| 99 | + proofOps []proof.CommitmentOp |
| 100 | +} |
| 101 | + |
| 102 | +func (s *MockStore) Query(storeKey []byte, version uint64, key []byte, prove bool) (storev2.QueryResult, error) { |
| 103 | + state, err := s.StateAt(version) |
| 104 | + reader, err := state.GetReader(storeKey) |
| 105 | + value, err := reader.Get(key) |
| 106 | + res := storev2.QueryResult{ |
| 107 | + Key: key, |
| 108 | + Value: value, |
| 109 | + Version: version, |
| 110 | + } |
| 111 | + return res, err |
| 112 | +} |
| 113 | + |
| 114 | +func (s *MockStore) LastCommitID() (proof.CommitID, error) { |
| 115 | + v, err := s.GetStateCommitment().GetLatestVersion() |
| 116 | + bz := sha256.Sum256([]byte{}) |
| 117 | + return proof.CommitID{ |
| 118 | + Version: v, |
| 119 | + Hash: bz[:], |
| 120 | + }, err |
| 121 | +} |
| 122 | + |
| 123 | +func (s *MockStore) SetInitialVersion(v uint64) error { |
| 124 | + return s.Commiter.SetInitialVersion(v) |
| 125 | +} |
| 126 | + |
| 127 | +func (s *MockStore) WorkingHash(changeset *corestore.Changeset) (corestore.Hash, error) { |
| 128 | + v, _, _ := s.StateLatest() |
| 129 | + err := s.Storage.ApplyChangeset(v, changeset) |
| 130 | + if err != nil { |
| 131 | + return []byte{}, err |
| 132 | + } |
| 133 | + |
| 134 | + err = s.Commiter.WriteChangeset(changeset) |
| 135 | + if err != nil { |
| 136 | + return []byte{}, err |
| 137 | + } |
| 138 | + return []byte{}, nil |
| 139 | +} |
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