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Do not callback if nothing to download from peer. Resolves issue 61

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This commit is contained in:
Miron Cuperman (devrandom) 2011-07-28 19:27:22 +00:00
parent dfad026523
commit 3327e02f80
1 changed files with 8 additions and 6 deletions
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14
src/com/google/bitcoin/core/Peer.java
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@ -366,13 +366,15 @@ public class Peer {
* downloaded the same number of blocks that the peer advertised having in its version handshake message.
*/
public void startBlockChainDownload() throws IOException {
for (PeerEventListener listener : eventListeners) {
synchronized (listener) {
listener.onChainDownloadStarted(this, getPeerBlocksToGet());
}
}
// TODO: peer might still have blocks that we don't have, and even have a heavier
// chain even if the chain block count is lower.
if (getPeerBlocksToGet() > 0) {
for (PeerEventListener listener : eventListeners) {
synchronized (listener) {
listener.onChainDownloadStarted(this, getPeerBlocksToGet());
}
}
// When we just want as many blocks as possible, we can set the target hash to zero.
blockChainDownload(Sha256Hash.ZERO_HASH);
}