/
type.go
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/
type.go
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// Copyright (C) 2017 go-nebulas authors
//
// This file is part of the go-nebulas library.
//
// the go-nebulas library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// the go-nebulas 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with the go-nebulas library. If not, see <http://www.gnu.org/licenses/>.
//
package sync
import (
"errors"
"github.com/nebulasio/go-nebulas/metrics"
)
// Error Types
var (
ErrTooSmallGapToSync = errors.New("the gap between syncpoint and current tail is smaller than a dynasty interval, ignore the sync task")
ErrCannotFindBlockByHeight = errors.New("cannot find the block at given height")
ErrCannotFindBlockByHash = errors.New("cannot find the block with the given hash")
ErrWrongChunkHeaderRootHash = errors.New("wrong chunk header root hash")
ErrWrongChunkDataRootHash = errors.New("wrong chunk data root hash")
ErrWrongChunkDataSize = errors.New("wrong chunk data size")
ErrInvalidBlockHashInChunk = errors.New("invalid block hash in chunk data")
ErrWrongBlockHashInChunk = errors.New("wrong block hash in chunk data compared with chunk header")
)
// Contants
const (
MaxChunkPerSyncRequest = 10
ConcurrentSyncChunkDataCount = 10
GetChunkDataTimeout = 10 // 10s.
)
// Metrics
var (
metricsCachedSync = metrics.NewGauge("neb.sync.cached")
)