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package transaction
import (
"context"
"errors"
"gitlab.com/gitlab-org/gitaly/internal/helper"
"gitlab.com/gitlab-org/gitaly/internal/praefect/transactions"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc/codes"
)
type Server struct {
txMgr *transactions.Manager
}
func NewServer(txMgr *transactions.Manager) gitalypb.RefTransactionServer {
return &Server{
txMgr: txMgr,
}
}
// VoteTransaction is called by a client who's casting a vote on a reference
// transaction, blocking until a vote across all participating nodes has been
// completed.
func (s *Server) VoteTransaction(ctx context.Context, in *gitalypb.VoteTransactionRequest) (*gitalypb.VoteTransactionResponse, error) {
err := s.txMgr.VoteTransaction(ctx, in.TransactionId, in.Node, in.ReferenceUpdatesHash)
if err != nil {
switch {
case errors.Is(err, transactions.ErrNotFound):
return nil, helper.ErrNotFound(err)
case errors.Is(err, transactions.ErrTransactionCanceled):
return nil, helper.DecorateError(codes.Canceled, err)
case errors.Is(err, transactions.ErrTransactionVoteFailed):
return &gitalypb.VoteTransactionResponse{
State: gitalypb.VoteTransactionResponse_ABORT,
}, nil
default:
return nil, helper.ErrInternal(err)
}
}
return &gitalypb.VoteTransactionResponse{
State: gitalypb.VoteTransactionResponse_COMMIT,
}, nil
}
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