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fix bug, peer may be nil

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This commit is contained in:
Jae Kwon
2015-03-25 12:21:52 -07:00
parent 94c3a51760
commit 938eda979b
1 changed files with 4 additions and 5 deletions
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9
blockchain/reactor.go
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@@ -112,11 +112,10 @@ func (bcR *BlockchainReactor) Receive(chId byte, src *p2p.Peer, msgBytes []byte)
log.Warn("Error decoding message", "error", err)
return
}
log.Info("BlockchainReactor received message", "msg", msg_)
log.Debug("BlockchainReactor received message", "msg", msg_)
switch msg := msg_.(type) {
case BlockRequestMessage:
log.Debug("Got BlockRequest", "msg", msg)
// Got a request for a block. Respond with block if we have it.
block := bcR.store.LoadBlock(msg.Height)
if block != nil {
@@ -129,11 +128,9 @@ func (bcR *BlockchainReactor) Receive(chId byte, src *p2p.Peer, msgBytes []byte)
// TODO peer is asking for things we don't have.
}
case BlockResponseMessage:
log.Debug("Got BlockResponse", "msg", msg)
// Got a block.
bcR.pool.AddBlock(msg.Block, src.Key)
case PeerStatusMessage:
log.Debug("Got PeerStatus", "msg", msg)
// Got a peer status.
bcR.pool.SetPeerHeight(src.Key, msg.Height)
default:
@@ -165,7 +162,9 @@ FOR_LOOP:
case peerId := <-bcR.timeoutsCh: // chan string
// Peer timed out.
peer := bcR.sw.Peers().Get(peerId)
bcR.sw.StopPeerForError(peer, errors.New("BlockchainReactor Timeout"))
if peer != nil {
bcR.sw.StopPeerForError(peer, errors.New("BlockchainReactor Timeout"))
}
case _ = <-trySyncTicker.C: // chan time
var lastValidatedBlock *types.Block
SYNC_LOOP: