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fetcher_fake.go
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fetcher_fake.go
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// Copyright 2020 The klaytn Authors
// This file is part of the klaytn library.
//
// The klaytn library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The klaytn library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the klaytn library. If not, see <http://www.gnu.org/licenses/>.
package fetcher
import (
"time"
"github.com/klaytn/klaytn/blockchain/types"
"github.com/klaytn/klaytn/common"
)
type FakeFetcher struct{}
func NewFakeFetcher() *FakeFetcher {
logger.Warn("fetcher is disabled; no data will be fetched from peers")
return &FakeFetcher{}
}
func (*FakeFetcher) Enqueue(peer string, block *types.Block) error { return nil }
func (*FakeFetcher) FilterBodies(peer string, transactions [][]*types.Transaction, time time.Time) [][]*types.Transaction {
return nil
}
func (*FakeFetcher) FilterHeaders(peer string, headers []*types.Header, time time.Time) []*types.Header {
return nil
}
func (*FakeFetcher) Notify(peer string, hash common.Hash, number uint64, time time.Time, headerFetcher HeaderRequesterFn, bodyFetcher BodyRequesterFn) error {
return nil
}
func (*FakeFetcher) Start() {}
func (*FakeFetcher) Stop() {}