Interface Service

ReadonlyserviceId

getInfo

• getInfo(): ServiceAccountInfo

  Retrieve service account info.

  Returns ServiceAccountInfo

getLookupHistory

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

  Retrieve lookup history of a preimage.

  Parameters

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

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

getPreimage

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

  Retrieve a preimage.

  Parameters

  • hash: Blake2bHash & WithOpaque<"PreimageHash">

  Returns BytesBlob | null

getStorage

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

  Read one particular storage item.

  Parameters

  • storage: BytesBlob & WithOpaque<"storage key">

  Returns BytesBlob | null

hasPreimage

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

  Check if preimage is present without retrieving the blob.

  Parameters

  • hash: Blake2bHash & WithOpaque<"PreimageHash">

  Returns boolean