mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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9a1157465e
* Change instances of ValidatorAtIndex to ReadOnly where possible * Use ReadOnly for VerifyExit and Slashings * Move length check to before lock * Improve readonly tests * undo process attester changes * Fix test
54 lines
1.9 KiB
Go
54 lines
1.9 KiB
Go
package validator
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import (
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"context"
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ptypes "github.com/gogo/protobuf/types"
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ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
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"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
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"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
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opfeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/operation"
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"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
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"github.com/prysmaticlabs/prysm/shared/params"
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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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// ProposeExit proposes an exit for a validator.
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func (vs *Server) ProposeExit(ctx context.Context, req *ethpb.SignedVoluntaryExit) (*ptypes.Empty, error) {
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if req == nil {
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return nil, status.Error(codes.InvalidArgument, "nil request")
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}
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s, err := vs.HeadFetcher.HeadState(ctx)
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if err != nil {
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return nil, status.Errorf(codes.Internal, "Could not get head state: %v", err)
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}
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if req.Exit == nil {
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return nil, status.Error(codes.InvalidArgument, "voluntary exit does not exist")
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}
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if req.Signature == nil || len(req.Signature) != params.BeaconConfig().BLSSignatureLength {
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return nil, status.Error(codes.InvalidArgument, "invalid signature provided")
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}
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// Confirm the validator is eligible to exit with the parameters provided.
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val, err := s.ValidatorAtIndexReadOnly(req.Exit.ValidatorIndex)
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if err != nil {
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return nil, status.Error(codes.InvalidArgument, "validator index exceeds validator set length")
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}
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if err := blocks.VerifyExit(val, helpers.StartSlot(req.Exit.Epoch), s.Fork(), req, s.GenesisValidatorRoot()); err != nil {
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return nil, status.Error(codes.InvalidArgument, err.Error())
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}
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// Send the voluntary exit to the operation feed.
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vs.OperationNotifier.OperationFeed().Send(&feed.Event{
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Type: opfeed.ExitReceived,
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Data: &opfeed.ExitReceivedData{
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Exit: req,
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},
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})
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vs.ExitPool.InsertVoluntaryExit(ctx, s, req)
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return &ptypes.Empty{}, vs.P2P.Broadcast(ctx, req)
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}
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