logos-messaging-nim/waku/incentivization/reputation_manager.nim

48 lines
1.5 KiB
Nim

import tables, std/options
import ../waku_lightpush/[rpc, common]
import libp2p/peerid
type
ResponseQuality* = enum
BadResponse
GoodResponse
# Encode reputation indicator as Option[bool]:
# some(true) => GoodRep
# some(false) => BadRep
# none(bool) => unknown / not set
ReputationManager* = ref object
reputationOf*: Table[PeerId, Option[bool]]
proc init*(T: type ReputationManager): ReputationManager =
return ReputationManager(reputationOf: initTable[PeerId, Option[bool]]())
proc setReputation*(
manager: var ReputationManager, peer: PeerId, repValue: Option[bool]
) =
manager.reputationOf[peer] = repValue
proc getReputation*(manager: ReputationManager, peer: PeerId): Option[bool] =
if peer in manager.reputationOf:
result = manager.reputationOf[peer]
else:
result = none(bool)
# Evaluate the quality of a LightPushResponse by checking its status code
proc evaluateResponse*(response: LightPushResponse): ResponseQuality =
if response.statusCode == LightpushStatusCode.SUCCESS.uint32:
return GoodResponse
else:
return BadResponse
# Update reputation of the peer based on the quality of the response
proc updateReputationFromResponse*(
manager: var ReputationManager, peer: PeerId, response: LightPushResponse
) =
let respQuality = evaluateResponse(response)
case respQuality
of BadResponse:
manager.setReputation(peer, some(false)) # false => BadRep
of GoodResponse:
manager.setReputation(peer, some(true)) # true => GoodRep