nimbus-eth2/beacon_chain/networking/peer_scores.nim

60 lines
2.2 KiB
Nim

# beacon_chain
# Copyright (c) 2018-2024 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
const
NewPeerScore* = 300
## Score which will be assigned to newly connected peer
PeerScoreLowLimit* = 0
## Score after which peer will be kicked
PeerScoreHighLimit* = 1000
## Max value of peer's score
PeerScorePoorRequest* = -50
## This peer is not responding on time or behaving improperly otherwise
PeerScoreInvalidRequest* = -500
## This peer is sending malformed or nonsensical data
PeerScoreNoStatus* = -100
## Peer did not answer `status` request.
PeerScoreStaleStatus* = -50
## Peer's `status` answer did not progress in time.
PeerScoreUseless* = -10
## Peer's latest head is lower then ours.
PeerScoreGoodStatus* = 50
## Peer's `status` answer is fine.
PeerScoreNoValues* = -100
## Peer did not respond in time to a request.
PeerScoreGoodBatchValue* = 5
## Individual portion of peer's multi-step answer is fine.
PeerScoreGoodValues* = 100
## Peer's answer to our request is fine.
PeerScoreBadValues* = -1000
## Peer's response contains incorrect data.
PeerScoreBadResponse* = -1000
## Peer's response is not in requested range.
PeerScoreMissingValues* = -25
## Peer response contains too much missing data - this can happen either
## because a long reorg happened or the peer is falsely trying to convince
## us that a long reorg happened.
PeerScoreUnviableFork* = -200
## Peer responded with data from an unviable fork - are they on a
## different chain?
type
SyncResponseKind* {.pure.} = enum
Good, Empty
SyncResponseStats* = array[int(high(SyncResponseKind)) + 1, uint64]
template get*(a: SyncResponseStats, index: SyncResponseKind): uint64 =
a[int(index)]
template update*(a: var SyncResponseStats, index: SyncResponseKind,
value: uint64) =
a[int(index)] += value