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https://gitlab.com/pulsechaincom/prysm-pulse.git
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1a0a399bed
* Handle highest slot = 0 * TestStore_GenesisState_CanGetHighestBelow * TestStore_GenesisBlock_CanGetHighestAt * Merge refs/heads/master into handle-genesis
54 lines
2.0 KiB
Go
54 lines
2.0 KiB
Go
package rpc
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import (
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"context"
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"github.com/pkg/errors"
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ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
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slashpb "github.com/prysmaticlabs/prysm/proto/slashing"
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"github.com/prysmaticlabs/prysm/slasher/db"
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"github.com/prysmaticlabs/prysm/slasher/detection"
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log "github.com/sirupsen/logrus"
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"go.opencensus.io/trace"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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// Server defines a server implementation of the gRPC Slasher service,
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// providing RPC endpoints for retrieving slashing proofs for malicious validators.
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type Server struct {
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ctx context.Context
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detector *detection.Service
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slasherDB db.Database
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}
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// IsSlashableAttestation returns an attester slashing if the attestation submitted
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// is a slashable vote.
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func (ss *Server) IsSlashableAttestation(ctx context.Context, req *ethpb.IndexedAttestation) (*slashpb.AttesterSlashingResponse, error) {
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ctx, span := trace.StartSpan(ctx, "detection.IsSlashableAttestation")
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defer span.End()
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//TODO(#5189) add signature validation to prevent DOS attack on the endpoint.
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if err := ss.slasherDB.SaveIndexedAttestation(ctx, req); err != nil {
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log.WithError(err).Error("Could not save indexed attestation")
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return nil, status.Errorf(codes.Internal, "Could not save indexed attestation: %v: %v", req, err)
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}
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slashings, err := ss.detector.DetectAttesterSlashings(ctx, req)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "Could not detect attester slashings for attestation: %v: %v", req, err)
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}
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if len(slashings) < 1 {
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if err := ss.detector.UpdateSpans(ctx, req); err != nil {
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log.WithError(err).Error("Could not update spans")
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}
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}
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return &slashpb.AttesterSlashingResponse{
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AttesterSlashing: slashings,
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}, nil
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}
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// IsSlashableBlock returns an proposer slashing if the block submitted
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// is a double proposal.
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func (ss *Server) IsSlashableBlock(ctx context.Context, req *ethpb.SignedBeaconBlockHeader) (*slashpb.ProposerSlashingResponse, error) {
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return nil, errors.New("unimplemented")
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}
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