Instance Property

tip

The local chainstate’s best block at the moment this BlockchainSync.Update was emitted.

let tip: BlockTip

Discussion

Advances monotonically within a single sync run: every BlockchainSync.Update.State.syncing emission has tip.height strictly greater than the previous one’s. During BlockchainSync.Update.State.preparing and terminal states, tip reflects whatever the chainstate read at that moment — including height 0 if the chainstate is fresh.