prysm-pulse/beacon-chain/rpc/prysm/v1alpha1/validator/exit.go
Radosław Kapka bb319e02e8
Event support for contribution_and_proof and voluntary_exit (#9779)
* Event support for `contribution_and_prrof`

* event test

* fix panic in tests

* fix

* Revert "Auxiliary commit to revert individual files from dc8d01a15f0056c1fb48733219feab6461f71695"

This reverts commit f5f198564079781f80e1a045cefad7c27f89af25.

* remove receiver

* revive test

* move sending events to sync package

* remove receiver

* remove notification test

* build file

* notifier tests

* revert removal of exit event in API

* simplify exit test

* send notification in contribution API method

* test fix

Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2021-10-28 08:56:22 +00:00

59 lines
1.9 KiB
Go

package validator
import (
"context"
"github.com/prysmaticlabs/prysm/beacon-chain/core/blocks"
"github.com/prysmaticlabs/prysm/beacon-chain/core/feed"
opfeed "github.com/prysmaticlabs/prysm/beacon-chain/core/feed/operation"
"github.com/prysmaticlabs/prysm/config/params"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
// ProposeExit proposes an exit for a validator.
func (vs *Server) ProposeExit(ctx context.Context, req *ethpb.SignedVoluntaryExit) (*ethpb.ProposeExitResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "nil request")
}
s, err := vs.HeadFetcher.HeadState(ctx)
if err != nil {
return nil, status.Errorf(codes.Internal, "Could not get head state: %v", err)
}
if req.Exit == nil {
return nil, status.Error(codes.InvalidArgument, "voluntary exit does not exist")
}
if req.Signature == nil || len(req.Signature) != params.BeaconConfig().BLSSignatureLength {
return nil, status.Error(codes.InvalidArgument, "invalid signature provided")
}
// Confirm the validator is eligible to exit with the parameters provided.
val, err := s.ValidatorAtIndexReadOnly(req.Exit.ValidatorIndex)
if err != nil {
return nil, status.Error(codes.InvalidArgument, "validator index exceeds validator set length")
}
if err := blocks.VerifyExitAndSignature(val, s.Slot(), s.Fork(), req, s.GenesisValidatorRoot()); err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
vs.OperationNotifier.OperationFeed().Send(&feed.Event{
Type: opfeed.ExitReceived,
Data: &opfeed.ExitReceivedData{
Exit: req,
},
})
vs.ExitPool.InsertVoluntaryExit(ctx, s, req)
r, err := req.Exit.HashTreeRoot()
if err != nil {
return nil, status.Errorf(codes.Internal, "Could not get tree hash of exit: %v", err)
}
return &ethpb.ProposeExitResponse{
ExitRoot: r[:],
}, vs.P2P.Broadcast(ctx, req)
}