Interface HeaderChain

isAncestor

• isAncestor(
      pastBlockSlot: number & WithBytesRepresentation<4> & WithOpaque<
          "TimeSlot[u32]",
      >,
      pastBlock: OpaqueHash & WithOpaque<"HeaderHash">,
      currentBlock: OpaqueHash & WithOpaque<"HeaderHash">,
  ): boolean

  Check whether given pastBlock hash is part of the ancestor chain of currentBlock

  Parameters

  • pastBlockSlot: number & WithBytesRepresentation<4> & WithOpaque<"TimeSlot[u32]">
  • pastBlock: OpaqueHash & WithOpaque<"HeaderHash">
  • currentBlock: OpaqueHash & WithOpaque<"HeaderHash">

  Returns boolean