mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-26 05:17:22 +00:00
41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
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package sync
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import (
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"context"
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"time"
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"github.com/gogo/protobuf/proto"
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"github.com/prysmaticlabs/go-ssz"
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"github.com/prysmaticlabs/prysm/beacon-chain/p2p"
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ethpb "github.com/prysmaticlabs/prysm/proto/eth/v1alpha1"
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"github.com/prysmaticlabs/prysm/shared/bytesutil"
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)
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// validateBeaconAttestation validates that the block being voted for passes validation before forwarding to the
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// network.
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func (r *RegularSync) validateBeaconAttestation(ctx context.Context, msg proto.Message, p p2p.Broadcaster) bool {
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att := msg.(*ethpb.Attestation)
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attRoot, err := ssz.HashTreeRoot(att)
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if err != nil {
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log.WithError(err).Error("Failed to hash attestation")
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}
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// Only valid blocks are saved in the database.
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if !r.db.HasBlock(ctx, bytesutil.ToBytes32(att.Data.BeaconBlockRoot)) {
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log.Warn("Ignored incoming attestation that points to a block that isn't in the database.")
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return false
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}
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if recentlySeenRoots.Get(string(attRoot[:])) != nil {
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return false
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}
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recentlySeenRoots.Set(string(attRoot[:]), true /*value*/, 365*24*time.Hour /*TTL*/)
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if err := p.Broadcast(ctx, msg); err != nil {
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log.WithError(err).Error("Failed to broadcast message")
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}
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return true
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}
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