github.com/klaytn/klaytn@v1.10.2/datasync/downloader/downloader_fake.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 downloader
    18  
    19  import (
    20  	"math/big"
    21  
    22  	"github.com/klaytn/klaytn"
    23  	"github.com/klaytn/klaytn/blockchain/types"
    24  	"github.com/klaytn/klaytn/common"
    25  	"github.com/klaytn/klaytn/node/cn/snap"
    26  	"github.com/klaytn/klaytn/reward"
    27  )
    28  
    29  // fakeDownloader do nothing
    30  type FakeDownloader struct{}
    31  
    32  func NewFakeDownloader() *FakeDownloader {
    33  	logger.Warn("downloader is disabled; no data will be downloaded from peers")
    34  	return &FakeDownloader{}
    35  }
    36  
    37  func (*FakeDownloader) RegisterPeer(id string, version int, peer Peer) error { return nil }
    38  func (*FakeDownloader) UnregisterPeer(id string) error                       { return nil }
    39  
    40  func (*FakeDownloader) DeliverBodies(id string, transactions [][]*types.Transaction) error {
    41  	return nil
    42  }
    43  func (*FakeDownloader) DeliverHeaders(id string, headers []*types.Header) error      { return nil }
    44  func (*FakeDownloader) DeliverNodeData(id string, data [][]byte) error               { return nil }
    45  func (*FakeDownloader) DeliverReceipts(id string, receipts [][]*types.Receipt) error { return nil }
    46  func (*FakeDownloader) DeliverStakingInfos(id string, stakingInfos []*reward.StakingInfo) error {
    47  	return nil
    48  }
    49  
    50  func (*FakeDownloader) DeliverSnapPacket(peer *snap.Peer, packet snap.Packet) error {
    51  	return nil
    52  }
    53  
    54  func (*FakeDownloader) Terminate() {}
    55  func (*FakeDownloader) Synchronise(id string, head common.Hash, td *big.Int, mode SyncMode) error {
    56  	return nil
    57  }
    58  func (*FakeDownloader) Progress() klaytn.SyncProgress { return klaytn.SyncProgress{} }
    59  func (*FakeDownloader) Cancel()                       {}
    60  
    61  func (*FakeDownloader) GetSnapSyncer() *snap.Syncer                      { return nil }
    62  func (*FakeDownloader) SyncStakingInfo(id string, from, to uint64) error { return nil }
    63  func (*FakeDownloader) SyncStakingInfoStatus() *SyncingStatus            { return nil }