logos-storage/logos-storage-nim
1
0
Fork 0
mirror of https://github.com/logos-storage/logos-storage-nim.git synced 2026-01-08 08:23:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: resolve stuck peer refresh state preventing block discovery

Browse Source 
This prevents peers from becoming permanently invisible to block discovery when
they fail to respond to WantHave requests.
This commit is contained in:
Chrysostomos Nanakos 2025-09-26 20:16:30 +03:00
parent 25a2b3e9ed
commit 5efd08fb0e
No known key found for this signature in database
2 changed files with 17 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
codex/blockexchange/engine/engine.nim
View File

@ -206,17 +206,15 @@ proc refreshBlockKnowledge(self: BlockExcEngine) {.async: (raises: [CancelledErr
# want list in the coarsest way possible instead of over many
# small updates.
#
if peer.refreshInProgress:
trace "Peer refresh in progress", peer = peer.id
continue
# In dynamic swarms, staleness will dominate latency.
if peer.lastRefresh < self.pendingBlocks.lastInclusion or peer.isKnowledgeStale:
peer.refreshRequested()
# TODO: optimize this by keeping track of what was sent and sending deltas.
# This should allow us to run much more frequent refreshes, and be way more
# efficient about it.
await self.refreshBlockKnowledge(peer)
if peer.isKnowledgeStale or peer.lastRefresh < self.pendingBlocks.lastInclusion:
if not peer.refreshInProgress:
peer.refreshRequested()
# TODO: optimize this by keeping track of what was sent and sending deltas.
# This should allow us to run much more frequent refreshes, and be way more
# efficient about it.
await self.refreshBlockKnowledge(peer)
else:
trace "Not refreshing: peer is up to date", peer = peer.id

12
codex/blockexchange/peers/peercontext.nim
View File

@ -27,7 +27,7 @@ export payments, nitro
const
MinRefreshInterval = 1.seconds
MaxRefreshBackoff = 36 # 3 minutes
MaxRefreshBackoff = 36 # 36 seconds
type BlockExcPeerCtx* = ref object of RootObj
id*: PeerId
@ -45,7 +45,15 @@ type BlockExcPeerCtx* = ref object of RootObj
activityTimeout*: Duration
proc isKnowledgeStale*(self: BlockExcPeerCtx): bool =
self.lastRefresh + self.refreshBackoff * MinRefreshInterval < Moment.now()
let
staleness = self.lastRefresh + self.refreshBackoff * MinRefreshInterval < Moment.now()
if staleness and self.refreshInProgress:
trace "Cleaning up refresh state", peer = self.id
self.refreshInProgress = false
self.refreshBackoff = 1
staleness
proc isBlockSent*(self: BlockExcPeerCtx, address: BlockAddress): bool =
address in self.blocksSent