Class InMemoryService

constructor

• new InMemoryService(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      data: {
          info: ServiceAccountInfo;
          lookupHistory: HashDictionary<
              Blake2bHash & pvm.WithOpaque<"PreimageHash">,
              LookupHistoryItem[],
          >;
          preimages: HashDictionary<
              Blake2bHash & pvm.WithOpaque<"PreimageHash">,
              PreimageItem,
          >;
          storage: Map<string, StorageItem>;
      },
  ): InMemoryService

  Parameters

  • serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<"ServiceId[u32]">

    Service id.

  • data: {
        info: ServiceAccountInfo;
        lookupHistory: HashDictionary<
            Blake2bHash & pvm.WithOpaque<"PreimageHash">,
            LookupHistoryItem[],
        >;
        preimages: HashDictionary<
            Blake2bHash & pvm.WithOpaque<"PreimageHash">,
            PreimageItem,
        >;
        storage: Map<string, StorageItem>;
    }

    Service details.

    • info: ServiceAccountInfo

      https://graypaper.fluffylabs.dev/#/85129da/383303383303?v=0.6.3

    • ReadonlylookupHistory: HashDictionary<
          Blake2bHash & pvm.WithOpaque<"PreimageHash">,
          LookupHistoryItem[],
      >

      https://graypaper.fluffylabs.dev/#/85129da/115400115800?v=0.6.3

    • Readonlypreimages: HashDictionary<Blake2bHash & pvm.WithOpaque<"PreimageHash">, PreimageItem>

      https://graypaper.fluffylabs.dev/#/85129da/10f90010f900?v=0.6.3

    • Readonlystorage: Map<string, StorageItem>

      https://graypaper.fluffylabs.dev/#/85129da/10f80010f800?v=0.6.3

  Returns InMemoryService

Readonlydata

ReadonlyserviceId

clone

• clone(): InMemoryService

  Return identical InMemoryService which does not share any references.

  Returns InMemoryService

getEntries

• getEntries(): ServiceEntries

  Returns ServiceEntries

getInfo

• getInfo(): ServiceAccountInfo

  Retrieve service account info.

  Returns ServiceAccountInfo

getLookupHistory

• getLookupHistory(
      hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">,
      len: U32,
  ):
      | readonly (
          number & WithBytesRepresentation<4> & pvm.WithOpaque<"TimeSlot[u32]">
      )[] & pvm.WithOpaque<"0-3 timeslots">
      | null

  Retrieve lookup history of a preimage.

  Parameters

  • hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">
  • len: U32

  Returns
      | readonly (
          number & WithBytesRepresentation<4> & pvm.WithOpaque<"TimeSlot[u32]">
      )[] & pvm.WithOpaque<"0-3 timeslots">
      | null

getPreimage

• getPreimage(
      hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">,
  ): BytesBlob | null

  Retrieve a preimage.

  Parameters

  • hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">

  Returns BytesBlob | null

getStorage

• getStorage(rawKey: BytesBlob & pvm.WithOpaque<"storage key">): BytesBlob | null

  Read one particular storage item.

  Parameters

  • rawKey: BytesBlob & pvm.WithOpaque<"storage key">

  Returns BytesBlob | null

hasPreimage

• hasPreimage(hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">): boolean

  Check if preimage is present without retrieving the blob.

  Parameters

  • hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">

  Returns boolean

StaticcopyFrom

• copyFrom(service: Service, entries: ServiceEntries): InMemoryService

  Create a new in-memory service from another state service by copying all given entries.

  Parameters

  • service: Service
  • entries: ServiceEntries

  Returns InMemoryService