Class PartiallyUpdatedState<T>

constructor

• new PartiallyUpdatedState<T extends StateSlice = StateSlice>(
      state: T,
      stateUpdate?: jam_host_calls.AccumulationStateUpdate,
  ): jam_host_calls.PartiallyUpdatedState<T>

  Type Parameters

  • T extends StateSlice = StateSlice

  Parameters

  • state: T

    Original (unmodified state).

  • OptionalstateUpdate: jam_host_calls.AccumulationStateUpdate

  Returns jam_host_calls.PartiallyUpdatedState<T>

Readonlystate

ReadonlystateUpdate

createService

• createService(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      newInfo: ServiceAccountInfo,
      newLookupHistory: LookupHistoryItem,
  ): void

  Parameters

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

  Returns void

getLookupHistory

• getLookupHistory(
      currentTimeslot: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "TimeSlot[u32]",
      >,
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">,
      length: U64,
  ): LookupHistoryItem | null

  Get status of a preimage of current service taking into account any updates.

  Parameters

  • currentTimeslot: number & WithBytesRepresentation<4> & pvm.WithOpaque<"TimeSlot[u32]">
  • serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<"ServiceId[u32]">
  • hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">
  • length: U64

  Returns LookupHistoryItem | null

getPreimage

• getPreimage(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">,
  ): BytesBlob | null

  Parameters

  • serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<"ServiceId[u32]">
  • hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">

  Returns BytesBlob | null

getPrivilegedServices

• getPrivilegedServices(): PrivilegedServices

  Returns PrivilegedServices

getServiceInfo

• getServiceInfo(
      destination:
          | number & WithBytesRepresentation<4> & pvm.WithOpaque<
              "ServiceId[u32]",
          >
          | null,
  ): ServiceAccountInfo
  | null

  Retrieve info of service with given id.

  NOTE the info may be updated compared to what is in the state.

  Takes into account ejected and newly created services as well.

  Parameters

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

  Returns ServiceAccountInfo | null

getStorage

• getStorage(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      rawKey: BytesBlob & pvm.WithOpaque<"storage key">,
  ): BytesBlob | null

  Parameters

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

  Returns BytesBlob | null

hasPreimage

• hasPreimage(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">,
  ): boolean

  Returns true if the preimage is already provided either in current accumulation scope or earlier.

  NOTE: Does not check if the preimage is available, we just check the existence in preimages map.

  Parameters

  • serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<"ServiceId[u32]">
  • hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">

  Returns boolean

updatePreimage

• updatePreimage(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      newUpdate: UpdatePreimage,
  ): void

  Update a preimage.

  Note we store all previous entries as well, since there might be a sequence of: provide -> remove and both should update the end state somehow.

  Parameters

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

  Returns void

updateServiceInfo

• updateServiceInfo(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      newInfo: ServiceAccountInfo,
  ): void

  Parameters

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

  Returns void

updateServiceStorageUtilisation

• updateServiceStorageUtilisation(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      items: number,
      bytes: bigint,
      serviceInfo: ServiceAccountInfo,
  ): pvm.Result<typeof pvm.OK, "insufficient funds">

  Parameters

  • serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<"ServiceId[u32]">
  • items: number
  • bytes: bigint
  • serviceInfo: ServiceAccountInfo

  Returns pvm.Result<typeof pvm.OK, "insufficient funds">

updateStorage

• updateStorage(
      serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<
          "ServiceId[u32]",
      >,
      key: BytesBlob & pvm.WithOpaque<"storage key">,
      value: BytesBlob | null,
  ): void

  Parameters

  • serviceId: number & WithBytesRepresentation<4> & pvm.WithOpaque<"ServiceId[u32]">
  • key: BytesBlob & pvm.WithOpaque<"storage key">
  • value: BytesBlob | null

  Returns void