prysm-pulse/validator/client/beacon-api/propose_exit.go

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package beacon_api
import (
"bytes"
"context"
"encoding/json"
"strconv"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/pkg/errors"
"github.com/prysmaticlabs/prysm/v3/beacon-chain/rpc/apimiddleware"
ethpb "github.com/prysmaticlabs/prysm/v3/proto/prysm/v1alpha1"
)
func (c beaconApiValidatorClient) proposeExit(ctx context.Context, signedVoluntaryExit *ethpb.SignedVoluntaryExit) (*ethpb.ProposeExitResponse, error) {
if signedVoluntaryExit == nil {
return nil, errors.New("signed voluntary exit is nil")
}
if signedVoluntaryExit.Exit == nil {
return nil, errors.New("exit is nil")
}
jsonSignedVoluntaryExit := apimiddleware.SignedVoluntaryExitJson{
Exit: &apimiddleware.VoluntaryExitJson{
Epoch: strconv.FormatUint(uint64(signedVoluntaryExit.Exit.Epoch), 10),
ValidatorIndex: strconv.FormatUint(uint64(signedVoluntaryExit.Exit.ValidatorIndex), 10),
},
Signature: hexutil.Encode(signedVoluntaryExit.Signature),
}
marshalledSignedVoluntaryExit, err := json.Marshal(jsonSignedVoluntaryExit)
if err != nil {
return nil, errors.Wrap(err, "failed to marshal signed voluntary exit")
}
if _, err := c.jsonRestHandler.PostRestJson(ctx, "/eth/v1/beacon/pool/voluntary_exits", nil, bytes.NewBuffer(marshalledSignedVoluntaryExit), nil); err != nil {
return nil, errors.Wrap(err, "failed to send POST data to REST endpoint")
}
exitRoot, err := signedVoluntaryExit.Exit.HashTreeRoot()
if err != nil {
return nil, errors.Wrap(err, "failed to compute exit root")
}
return &ethpb.ProposeExitResponse{
ExitRoot: exitRoot[:],
}, nil
}