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PeerGroup: Fix NullPointerException in handleNewPeer() if no download peer could be selected.

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This commit is contained in:
Andreas Schildbach
2019-01-31 18:17:30 +01:00
parent 5d6ae4082b
commit e3e4e3f32a
1 changed files with 8 additions and 5 deletions
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5
core/src/main/java/org/bitcoinj/core/PeerGroup.java
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@@ -1515,13 +1515,16 @@ public class PeerGroup implements TransactionBroadcaster {
for (Wallet wallet : wallets) for (Wallet wallet : wallets)
peer.addWallet(wallet); peer.addWallet(wallet);
if (downloadPeer == null) { if (downloadPeer == null) {
Peer newDownloadPeer = selectDownloadPeer(peers);
if (newDownloadPeer != null) {
setDownloadPeer(newDownloadPeer);
// Kick off chain download if we aren't already doing it. // Kick off chain download if we aren't already doing it.
setDownloadPeer(selectDownloadPeer(peers));
boolean shouldDownloadChain = downloadListener != null && chain != null; boolean shouldDownloadChain = downloadListener != null && chain != null;
if (shouldDownloadChain) { if (shouldDownloadChain) {
startBlockChainDownloadFromPeer(downloadPeer); startBlockChainDownloadFromPeer(downloadPeer);
} }
} }
}
// Make sure the peer knows how to upload transactions that are requested from us. // Make sure the peer knows how to upload transactions that are requested from us.
peer.addBlocksDownloadedEventListener(Threading.SAME_THREAD, peerListener); peer.addBlocksDownloadedEventListener(Threading.SAME_THREAD, peerListener);
peer.addGetDataEventListener(Threading.SAME_THREAD, peerListener); peer.addGetDataEventListener(Threading.SAME_THREAD, peerListener);