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use correct fork digest when broadcasting blob sidecars and sync msgs #6440

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Jul 23, 2024
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use correct fork digest when broadcasting blob sidecars and sync msgs #6440

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17 changes: 11 additions & 6 deletions beacon_chain/networking/eth2_network.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -2694,23 +2694,28 @@ proc broadcastBlobSidecar*(
node: Eth2Node, subnet_id: BlobId, blob: deneb.BlobSidecar):
Future[SendResult] {.async: (raises: [CancelledError], raw: true).} =
let
forkPrefix = node.forkDigestAtEpoch(node.getWallEpoch)
topic = getBlobSidecarTopic(forkPrefix, subnet_id)
contextEpoch = blob.signed_block_header.message.slot.epoch
topic = getBlobSidecarTopic(
node.forkDigestAtEpoch(contextEpoch), subnet_id)
node.broadcast(topic, blob)

proc broadcastSyncCommitteeMessage*(
node: Eth2Node, msg: SyncCommitteeMessage,
subcommitteeIdx: SyncSubcommitteeIndex):
Future[SendResult] {.async: (raises: [CancelledError], raw: true).} =
let topic = getSyncCommitteeTopic(
node.forkDigestAtEpoch(node.getWallEpoch), subcommitteeIdx)
let
contextEpoch = msg.slot.epoch
topic = getSyncCommitteeTopic(
node.forkDigestAtEpoch(contextEpoch), subcommitteeIdx)
node.broadcast(topic, msg)

proc broadcastSignedContributionAndProof*(
node: Eth2Node, msg: SignedContributionAndProof):
Future[SendResult] {.async: (raises: [CancelledError], raw: true).} =
let topic = getSyncCommitteeContributionAndProofTopic(
node.forkDigestAtEpoch(node.getWallEpoch))
let
contextEpoch = msg.message.contribution.slot.epoch
topic = getSyncCommitteeContributionAndProofTopic(
node.forkDigestAtEpoch(contextEpoch))
node.broadcast(topic, msg)

proc broadcastLightClientFinalityUpdate*(
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