go-ethereum/eth/downloader/modes.go
2017-02-27 13:16:40 +02:00

35 lines
1.3 KiB
Go

// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package downloader
// SyncMode represents the synchronisation mode of the downloader.
type SyncMode int
const (
FullSync SyncMode = iota // Synchronise the entire blockchain history from full blocks
FastSync // Quickly download the headers, full sync only at the chain head
LightSync // Download only the headers and terminate afterwards
)
// syncModeLabels contains a mapping of sync modes to textual label used by the
// logging system.
var syncModeLabels = map[SyncMode]string{
FullSync: "full",
FastSync: "fast",
LightSync: "light",
}