github.com/klaytn/klaytn@v1.10.2/datasync/chaindatafetcher/repository.go (about)

     1  // Copyright 2020 The klaytn Authors
     2  // This file is part of the klaytn library.
     3  //
     4  // The klaytn library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The klaytn library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the klaytn library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package chaindatafetcher
    18  
    19  import (
    20  	"time"
    21  
    22  	"github.com/klaytn/klaytn/blockchain"
    23  	"github.com/klaytn/klaytn/datasync/chaindatafetcher/types"
    24  )
    25  
    26  const (
    27  	InsertRetryInterval = 500 * time.Millisecond
    28  	InsertMaxRetry      = 100
    29  )
    30  
    31  type HandleChainEventFn func(blockchain.ChainEvent, types.RequestType) error
    32  
    33  //go:generate mockgen -destination=./mocks/repository_mock.go -package=mocks github.com/klaytn/klaytn/datasync/chaindatafetcher Repository
    34  //go:generate mockgen -destination=./mocks/checkpoint_db_mock.go -package=mocks github.com/klaytn/klaytn/datasync/chaindatafetcher CheckpointDB
    35  //go:generate mockgen -destination=./mocks/component_setter_mock.go -package=mocks github.com/klaytn/klaytn/datasync/chaindatafetcher ComponentSetter
    36  
    37  type Repository interface {
    38  	HandleChainEvent(event blockchain.ChainEvent, dataType types.RequestType) error
    39  }
    40  
    41  type CheckpointDB interface {
    42  	ReadCheckpoint() (int64, error)
    43  	WriteCheckpoint(checkpoint int64) error
    44  }
    45  
    46  type ComponentSetter interface {
    47  	SetComponent(component interface{})
    48  }