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authorPéter Szilágyi <peterke@gmail.com>2017-05-26 21:04:12 +0800
committerPéter Szilágyi <peterke@gmail.com>2017-05-26 21:04:12 +0800
commitafdd23b5cab227ae6edef3d78ec74b05c7872b55 (patch)
tree3a6f2cf91e1db4744b61f37e8fd7442cd574c681 /eth/handler.go
parentcb809c03da18bf45f961a931dfd4c765de144e66 (diff)
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eth: don't import propagated blocks during fastsync
Diffstat (limited to 'eth/handler.go')
-rw-r--r--eth/handler.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/eth/handler.go b/eth/handler.go
index 16e371227..8c2f5660d 100644
--- a/eth/handler.go
+++ b/eth/handler.go
@@ -171,6 +171,11 @@ func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, ne
return blockchain.CurrentBlock().NumberU64()
}
inserter := func(blocks types.Blocks) (int, error) {
+ // If fast sync is running, deny importing weird blocks
+ if atomic.LoadUint32(&manager.fastSync) == 1 {
+ log.Warn("Discarded bad propagated block", "number", blocks[0].Number(), "hash", blocks[0].Hash())
+ return 0, nil
+ }
atomic.StoreUint32(&manager.acceptTxs, 1) // Mark initial sync done on any fetcher import
return manager.blockchain.InsertChain(blocks)
}