Prem Chaitanya Prathi 92ea373520
feat(mix): cover traffic with constant rate
- Integrate ConstantRateCoverTraffic from libp2p mix module with default
  totalSlots = userMessageLimit (or 2) and 10s epoch
- Add --mix-user-message-limit and --mix-disable-spam-protection CLI flags
  with corresponding MixConfBuilder accessors and MixConf fields
- Wrap mixRlnSpamProtection construction so it is skipped when spam
  protection is disabled, with a nil guard in setupSpamProtectionCallbacks
- Add waku/common/option_shims.nim restoring valueOr/withValue templates
  for std/options (removed upstream by results), and import it across
  modules that relied on the old behavior
- Sink chat2mix logs to textlines (stdout) instead of textlines[file] to
  work around a chronicles compile-time macro-eval bug under Nim 2.2.4
- Rename ExtendedKademliaDiscoveryParams -> ExtendedServiceDiscoveryParams
  to match the kad_disco -> service_discovery rename in nim-libp2p
- Bump nim-libp2p to e1bbda4f6 (PR #2243 "cover traffic with constant
  rate") and mix-rln-spam-protection-plugin to 153d0c0 (PR #5 cover
  traffic epoch change support); both pre-libp2p_mix-extraction
- Add simulations/mixnet/check_cover_traffic.sh for monitoring
  mix_cover_* / mix_slot_* metrics, plus per-node cover-traffic configs
2026-05-20 18:30:09 +05:30

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TOML

log-level = "TRACE"
relay = true
mix = true
filter = true
store = true
lightpush = true
max-connections = 150
peer-exchange = false
metrics-logging = false
metrics-server = true
cluster-id = 2
discv5-discovery = false
discv5-udp-port = 9000
discv5-enr-auto-update = true
enable-kad-discovery = true
rest = true
rest-admin = true
ports-shift = 1
num-shards-in-network = 1
shard = [0]
agent-string = "nwaku-mix"
nodekey = "f98e3fba96c32e8d1967d460f1b79457380e1a895f7971cecc8528abe733781a"
mixkey = "a87db88246ec0eedda347b9b643864bee3d6933eb15ba41e6d58cb678d813258"
rendezvous = false
listen-address = "127.0.0.1"
nat = "extip:127.0.0.1"
ext-multiaddr = ["/ip4/127.0.0.1/tcp/60001"]
ext-multiaddr-only = true
ip-colocation-limit=0
mix-user-message-limit=4
mix-disable-spam-protection=false