code.vegaprotocol.io/vega@v0.79.0/datanode/networkhistory/protocol_upgrade_handler.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package networkhistory
    17  
    18  import (
    19  	"context"
    20  	"fmt"
    21  
    22  	"code.vegaprotocol.io/vega/core/events"
    23  	"code.vegaprotocol.io/vega/datanode/service"
    24  	"code.vegaprotocol.io/vega/logging"
    25  )
    26  
    27  type eventSender interface {
    28  	Send(events.Event) error
    29  }
    30  
    31  type ProtocolUpgradeHandler struct {
    32  	log                     *logging.Logger
    33  	protocolUpgradeService  *service.ProtocolUpgrade
    34  	eventSender             eventSender
    35  	createAndPublishSegment func(ctx context.Context, chainID string, toHeight int64) error
    36  }
    37  
    38  func NewProtocolUpgradeHandler(
    39  	log *logging.Logger,
    40  	protocolUpgradeService *service.ProtocolUpgrade,
    41  	eventSender eventSender,
    42  	createAndPublishSegment func(ctx context.Context, chainID string, toHeight int64) error,
    43  ) *ProtocolUpgradeHandler {
    44  	return &ProtocolUpgradeHandler{
    45  		log:                     log.Named("protocol-upgrade-handler"),
    46  		protocolUpgradeService:  protocolUpgradeService,
    47  		createAndPublishSegment: createAndPublishSegment,
    48  		eventSender:             eventSender,
    49  	}
    50  }
    51  
    52  func (t *ProtocolUpgradeHandler) OnProtocolUpgradeEvent(ctx context.Context, chainID string,
    53  	lastCommittedBlockHeight int64,
    54  ) error {
    55  	if err := t.createAndPublishSegment(ctx, chainID, lastCommittedBlockHeight); err != nil {
    56  		t.log.Error("Failed to create and publish segment", logging.Error(err))
    57  		return fmt.Errorf("failed to create and publish segment: %w", err)
    58  	}
    59  
    60  	t.log.Debug("Created and published segment", logging.Int64("last_committed_block_height", lastCommittedBlockHeight))
    61  
    62  	t.protocolUpgradeService.SetProtocolUpgradeStarted()
    63  
    64  	if err := t.eventSender.Send(events.NewProtocolUpgradeDataNodeReady(ctx, lastCommittedBlockHeight)); err != nil {
    65  		t.log.Error("Failed to send data node upgrade event", logging.Error(err))
    66  		return err
    67  	}
    68  
    69  	t.log.Debug("Notified Core about being ready for protocol upgrade", logging.Int64("last_committed_block_height", lastCommittedBlockHeight))
    70  
    71  	return nil
    72  }
    73  
    74  func (t *ProtocolUpgradeHandler) GetProtocolUpgradeStarted() bool {
    75  	return t.protocolUpgradeService.GetProtocolUpgradeStarted()
    76  }