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authorPéter Szilágyi <peterke@gmail.com>2015-09-29 00:27:31 +0800
committerPéter Szilágyi <peterke@gmail.com>2015-10-19 15:03:09 +0800
commitf186b390182da7af368e7a5a1e9eff8d690b7414 (patch)
treefeb1410fe848dae9eed22c585bc0ebaab713f5a1 /eth/downloader/modes.go
parentc33cc382b3561ca91871111933f81653bfd8532f (diff)
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eth/downloader: add fast and light sync strategies
Diffstat (limited to 'eth/downloader/modes.go')
-rw-r--r--eth/downloader/modes.go26
1 files changed, 26 insertions, 0 deletions
diff --git a/eth/downloader/modes.go b/eth/downloader/modes.go
new file mode 100644
index 000000000..8916dbb79
--- /dev/null
+++ b/eth/downloader/modes.go
@@ -0,0 +1,26 @@
+// 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 block-chain history from full blocks
+ FastSync // Quikcly download the headers, full sync only at the chain head
+ LightSync // Download only the headers and terminate afterwards
+)