Pass TimeConfig to LightClientManager (#7625)

* Pass TimeConfig to LightClientManager

nextLcSyncTaskDelay needs to compute time from slot so needs TimeConfig.

* One more initialization

Author: etan-status

beacon_chain/libnimbus_lc/libnimbus_lc.nim

@@ -467,6 +467,7 @@ proc ETHLightClientStoreGetMillisecondsToNextSyncTask(
   ## * Number of milliseconds until `ETHLightClientStoreGetNextSyncTask`
   ##   should be called again to obtain the next light client sync task.
   asRef(rng).nextLcSyncTaskDelay(
+    beaconClock[].timeConfig,
     wallTime = beaconClock[].now(),
     finalized = store[].finalized_header.beacon.slot.sync_committee_period,
     optimistic = store[].optimistic_header.beacon.slot.sync_committee_period,

beacon_chain/light_client.nim

@@ -175,7 +175,7 @@ proc createLightClient(
         GENESIS_SLOT.sync_committee_period
 
   lightClient.manager = LightClientManager.init(
-    lightClient.network, rng, getTrustedBlockRoot,
+    lightClient.network, rng, lightClient.cfg.time, getTrustedBlockRoot,
     bootstrapVerifier, updateVerifier, finalityVerifier, optimisticVerifier,
     isLightClientStoreInitialized, isNextSyncCommitteeKnown,
     getFinalizedPeriod, getOptimisticPeriod, getBeaconTime,

beacon_chain/sync/light_client_manager.nim

@@ -55,6 +55,7 @@ type
   LightClientManager* = object
     network: Eth2Node
     rng: ref HmacDrbgContext
+    timeConfig: TimeConfig
     getTrustedBlockRoot: GetTrustedBlockRootCallback
     bootstrapVerifier: BootstrapVerifier
     updateVerifier: UpdateVerifier
@@ -72,6 +73,7 @@ func init*(
     T: type LightClientManager,
     network: Eth2Node,
     rng: ref HmacDrbgContext,
+    timeConfig: TimeConfig,
     getTrustedBlockRoot: GetTrustedBlockRootCallback,
     bootstrapVerifier: BootstrapVerifier,
     updateVerifier: UpdateVerifier,
@@ -88,6 +90,7 @@ func init*(
   LightClientManager(
     network: network,
     rng: rng,
+    timeConfig: timeConfig,
     getTrustedBlockRoot: getTrustedBlockRoot,
     bootstrapVerifier: bootstrapVerifier,
     updateVerifier: updateVerifier,
@@ -399,7 +402,8 @@ proc loop(self: LightClientManager) {.async: (raises: [CancelledError]).} =
         wallTime
       else:
         wallTime + self.rng.nextLcSyncTaskDelay(
-          wallTime, finalized, optimistic, isNextSyncCommitteeKnown,
+          self.timeConfig, wallTime,
+          finalized, optimistic, isNextSyncCommitteeKnown,
           didLatestSyncTaskProgress = didProgress)
     wasGossipSupported = isGossipSupported
 

beacon_chain/sync/light_client_sync_helpers.nim

@@ -1,5 +1,5 @@
 # beacon_chain
-# Copyright (c) 2022-2024 Status Research & Development GmbH
+# Copyright (c) 2022-2025 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).
@@ -110,6 +110,7 @@ func computeDelayWithJitter*(
 
 func nextLcSyncTaskDelay*(
     rng: ref HmacDrbgContext,
+    timeConfig: TimeConfig,
     wallTime: BeaconTime,
     finalized: SyncCommitteePeriod,
     optimistic: SyncCommitteePeriod,