Class UpdatePreimage

Readonlyaction

hash

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

  Returns Blake2bHash & pvm.WithOpaque<"PreimageHash">

length

• get length(): U32

  Returns U32

Staticprovide

• provide(
      __namedParameters: {
          preimage: PreimageItem;
          providedFor: number & WithBytesRepresentation<4> & pvm.WithOpaque<
              "ServiceId[u32]",
          >;
          slot: | number & WithBytesRepresentation<4> & pvm.WithOpaque<
              "TimeSlot[u32]",
          >
          | null;
      },
  ): UpdatePreimage

  A preimage is provided. We should update the lookuphistory and add the preimage to db.

  Parameters

  • __namedParameters: {
        preimage: PreimageItem;
        providedFor: number & WithBytesRepresentation<4> & pvm.WithOpaque<
            "ServiceId[u32]",
        >;
        slot: | number & WithBytesRepresentation<4> & pvm.WithOpaque<
            "TimeSlot[u32]",
        >
        | null;
    }

  Returns UpdatePreimage

Staticremove

• remove(
      __namedParameters: {
          hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">;
          length: U32;
      },
  ): UpdatePreimage

  The preimage should be removed completely from the database.

  Parameters

  • __namedParameters: { hash: Blake2bHash & pvm.WithOpaque<"PreimageHash">; length: U32 }

  Returns UpdatePreimage

StaticupdateOrAdd

• updateOrAdd(
      __namedParameters: { lookupHistory: LookupHistoryItem },
  ): UpdatePreimage

  Update the lookup history of some preimage or add a new one (request).

  Parameters

  • __namedParameters: { lookupHistory: LookupHistoryItem }

  Returns UpdatePreimage