MemCacheManager class

In memory database implementation benefits: very fast drawbacks: does not persist

Implemented types

• CacheManager

Constructors

MemCacheManager()

Properties

cashuKeysets ↔ Map<String, Set<CahsuKeyset>>

String for mint Url

getter/setter pair

cashuMintInfos ↔ Set<CashuMintInfo>

getter/setter pair

cashuProofs ↔ Map<String, Set<CashuProof>>

String for mint Url

getter/setter pair

decryptedEventPayloadRecords ↔ Map<String, DecryptedEventPayloadRecord>

In memory decrypted payload sidecar storage keyed by "$eventId|$viewerPubKey"

getter/setter pair

eventCacheStateRecords ↔ Map<String, EventCacheStateRecord>

In memory derived event-state storage keyed by eventId.

getter/setter pair

eventDeliveryRecords ↔ Map<String, EventDeliveryRecord>

In memory event delivery storage keyed by eventId

getter/setter pair

events ↔ Map<String, Nip01Event>

In memory storage

getter/setter pair

eventSources ↔ Map<String, String>

In memory provenance storage keyed by "$eventId|$relayUrl"

getter/setter pair

filterFetchedRangeRecords ↔ Map<String, FilterFetchedRangeRecord>

In memory storage for filter fetched range records Key is filterHash:relayUrl:rangeStart

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

nip05s ↔ Map<String, Nip05>

In memory storage indexed by pubKey

getter/setter pair

nip05sByIdentifier ↔ Map<String, Nip05>

In memory storage indexed by nip05 identifier

getter/setter pair

relayDeliveryTargets ↔ Map<String, RelayDeliveryTarget>

In memory relay delivery target storage keyed by "$eventId|$relayUrl"

getter/setter pair

relaySets ↔ Map<String, RelaySet>

In memory storage

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

userRelayLists ↔ Map<String, UserRelayList>

In memory storage

getter/setter pair

wallets ↔ Set<Wallet>

getter/setter pair

Methods

addEventSource({required String eventId, required String relayUrl}) → Future<void>

Adds one provenance relay for a stored event.

override

addEventSources({required String eventId, required Iterable<String> relayUrls}) → Future<void>

override

clearAll() → Future<void>

Clears all cached data.

override

close() → Future<void>

closes the cache manger
used to close the db

override

evict(EvictionPolicy policy) → Future<EvictionResult>

Run one eviction pass according to policy.

override

getCashuSecretCounter({required String mintUrl, required String keysetId}) → Future<int>

override

getKeysets({String? mintUrl}) → Future<List<CahsuKeyset>>

get all keysets if no mintUrl is provided \

override

getMintInfos({List<String>? mintUrls}) → Future<List<CashuMintInfo>?>

return all if no mintUrls are provided

override

getProofs({String? mintUrl, String? keysetId, CashuProofState state = CashuProofState.unspend}) → Future<List<CashuProof>>

override

loadContactList(String pubKey) → Future<ContactList?>

override

loadDecryptedEventPayloadRecord({required String eventId, required String viewerPubKey}) → Future<DecryptedEventPayloadRecord?>

override

loadDecryptedEventPayloadRecords({String? eventId, String? viewerPubKey, DecryptedPayloadStatus? status, int? limit}) → Future<List<DecryptedEventPayloadRecord>>

override

loadEvent(String id) → Future<Nip01Event?>

Loads the raw stored event by id.

override

loadEventDeliveryRecord(String eventId) → Future<EventDeliveryRecord?>

override

loadEventDeliveryRecords({EventDeliveryStatus? status, int? limit}) → Future<List<EventDeliveryRecord>>

override

loadEvents({List<String>? ids, List<String>? pubKeys, List<int>? kinds, Map<String, List<String>>? tags, int? since, int? until, String? search, int? limit}) → Future<List<Nip01Event>>

Load visible events from cache with flexible filtering.

override

loadEventSources(String eventId) → Future<List<String>>

override

loadFilterFetchedRangeRecords(String filterHash) → Future<List<FilterFetchedRangeRecord>>

Load all fetched range records for a filter hash

override

loadFilterFetchedRangeRecordsByRelay(String filterHash, String relayUrl) → Future<List<FilterFetchedRangeRecord>>

Load all fetched range records for a filter hash and relay

override

loadFilterFetchedRangeRecordsByRelayUrl(String relayUrl) → Future<List<FilterFetchedRangeRecord>>

Load all fetched range records for a relay (all filters)

override

loadMetadata(String pubKey) → Future<Metadata?>

override

loadMetadatas(List<String> pubKeys) → Future<List<Metadata?>>

override

loadNip05({String? pubKey, String? identifier}) → Future<Nip05?>

override

loadNip05s(List<String> pubKeys) → Future<List<Nip05?>>

override

loadRelayDeliveryTarget({required String eventId, required String relayUrl}) → Future<RelayDeliveryTarget?>

override

loadRelayDeliveryTargets({String? eventId, String? relayUrl, RelayDeliveryState? state, bool excludeAcked = false, int? limit}) → Future<List<RelayDeliveryTarget>>

override

loadRelaySet(String name, String pubKey) → Future<RelaySet?>

override

loadUserRelayList(String pubKey) → Future<UserRelayList?>

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

removeAllContactLists() → Future<void>

override

removeAllDecryptedEventPayloadRecords() → Future<void>

override

removeAllEventDeliveryRecords() → Future<void>

override

removeAllEvents() → Future<void>

override

removeAllEventsByPubKey(String pubKey) → Future<void>

override

removeAllFilterFetchedRangeRecords() → Future<void>

Remove all filter fetched range records

override

removeAllMetadatas() → Future<void>

override

removeAllNip05s() → Future<void>

override

removeAllRelayDeliveryTargets() → Future<void>

override

removeAllRelaySets() → Future<void>

override

removeAllUserRelayLists() → Future<void>

override

removeContactList(String pubKey) → Future<void>

override

removeDecryptedEventPayloadRecord({required String eventId, required String viewerPubKey}) → Future<void>

override

removeDecryptedEventPayloadRecords(String eventId) → Future<void>

override

removeEvent(String id) → Future<void>

override

removeEventDeliveryRecord(String eventId) → Future<void>

override

removeEvents({List<String>? ids, List<String>? pubKeys, List<int>? kinds, Map<String, List<String>>? tags, int? since, int? until}) → Future<void>

Remove events from cache with flexible filtering.

override

removeEventSources(String eventId) → Future<void>

override

removeFilterFetchedRangeRecords(String filterHash) → Future<void>

Remove all fetched range records for a filter hash

override

removeFilterFetchedRangeRecordsByFilterAndRelay(String filterHash, String relayUrl) → Future<void>

Remove fetched range records for a specific filter hash and relay

override

removeFilterFetchedRangeRecordsByRelay(String relayUrl) → Future<void>

Remove all fetched range records for a relay

override

removeMetadata(String pubKey) → Future<void>

override

removeMintInfo({required String mintUrl}) → Future<void>

override

removeNip05(String pubKey) → Future<void>

override

removeProofs({required List<CashuProof> proofs, required String mintUrl}) → Future<void>

override

removeRelayDeliveryTarget({required String eventId, required String relayUrl}) → Future<void>

override

removeRelayDeliveryTargets(String eventId) → Future<void>

override

removeRelaySet(String name, String pubKey) → Future<void>

override

removeUserRelayList(String pubKey) → Future<void>

override

saveContactList(ContactList contactList) → Future<void>

override

saveContactLists(List<ContactList> list) → Future<void>

override

saveDecryptedEventPayloadRecord(DecryptedEventPayloadRecord record) → Future<void>

Persist one plaintext sidecar for an encrypted event.

override

saveDecryptedEventPayloadRecords(List<DecryptedEventPayloadRecord> records) → Future<void>

override

saveEvent(Nip01Event event) → Future<void>

override

saveEventDeliveryRecord(EventDeliveryRecord record) → Future<void>

Persist aggregate delivery state for one event.

override

saveEventDeliveryRecords(List<EventDeliveryRecord> records) → Future<void>

override

saveEvents(List<Nip01Event> events) → Future<void>

override

saveFilterFetchedRangeRecord(FilterFetchedRangeRecord record) → Future<void>

Save a filter fetched range record

override

saveFilterFetchedRangeRecords(List<FilterFetchedRangeRecord> records) → Future<void>

Save multiple filter fetched range records

override

saveKeyset(CahsuKeyset keyset) → Future<void>

cashu methods

override

saveMetadata(Metadata metadata) → Future<void>

override

saveMetadatas(List<Metadata> list) → Future<void>

override

saveMintInfo({required CashuMintInfo mintInfo}) → Future<void>

override

saveNip05(Nip05 nip05) → Future<void>

override

saveNip05s(List<Nip05> nip05s) → Future<void>

override

saveProofs({required List<CashuProof> proofs, required String mintUrl}) → Future<void>

override

saveRelayDeliveryTarget(RelayDeliveryTarget target) → Future<void>

Persist one relay-specific delivery target.

override

saveRelayDeliveryTargets(List<RelayDeliveryTarget> targets) → Future<void>

override

saveRelaySet(RelaySet relaySet) → Future<void>

override

saveUserRelayList(UserRelayList userRelayList) → Future<void>

Store a precomputed user relay list projection.

override

saveUserRelayLists(List<UserRelayList> userRelayLists) → Future<void>

override

searchEvents({List<String>? ids, List<String>? authors, List<int>? kinds, Map<String, List<String>>? tags, int? since, int? until, String? search, int limit = 100}) → Future<Iterable<Nip01Event>>

search events
ids - list of event ids
authors - list of authors pubKeys
kinds - list of kinds
tags - map of tags
since - timestamp
until - timestamp
search - search string to match against content
limit - limit of results
returns list of events

override

searchMetadatas(String search, int limit) → Future<Iterable<Metadata>>

Search for metadata by name, nip05

override

setCashuSecretCounter({required String mintUrl, required String keysetId, required int counter}) → Future<void>

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited