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-rw-r--r--eth/sync.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/eth/sync.go b/eth/sync.go
index 16d85d1f1..9e8b21a7c 100644
--- a/eth/sync.go
+++ b/eth/sync.go
@@ -89,6 +89,13 @@ func (pm *ProtocolManager) synchronise(peer *peer) {
return
}
+ // FIXME if we have the hash in our chain and the TD of the peer is
+ // much higher than ours, something is wrong with us or the peer.
+ // Check if the hash is on our own chain
+ if pm.chainman.HasBlock(peer.recentHash) {
+ return
+ }
+
// Get the hashes from the peer (synchronously)
err := pm.downloader.Synchronise(peer.id, peer.recentHash)
if err != nil && err == downloader.ErrBadPeer {