Class DbHeaderChain

Recently imported blocks.

Implements

HeaderChain

Index

Methods

Methods

isAncestor

isAncestor(
    pastHeaderSlot: number & WithBytesRepresentation<4> & WithOpaque<
        "TimeSlot[u32]",
    >,
    pastHeader: OpaqueHash & WithOpaque<"HeaderHash">,
    currentHeader: OpaqueHash & WithOpaque<"HeaderHash">,
): boolean
Check whether given pastBlock hash is part of the ancestor chain of currentBlock
Parameters
- pastHeaderSlot: number & WithBytesRepresentation<4> & WithOpaque<"TimeSlot[u32]">
- pastHeader: OpaqueHash & WithOpaque<"HeaderHash">
- currentHeader: OpaqueHash & WithOpaque<"HeaderHash">
Returns boolean
Implementation of HeaderChain.isAncestor
- Defined in packages/jam/transition/chain-stf.ts:40

`Static`new

new(blocks: BlocksDb): DbHeaderChain
Parameters
- blocks: BlocksDb
Returns DbHeaderChain
- Defined in packages/jam/transition/chain-stf.ts:34