@Test
public void invDownloadTxMultiPeer() throws Exception {
// Check co-ordination of which peer to download via the memory pool.
VersionMessage ver = new VersionMessage(unitTestParams, 100);
InetSocketAddress address = new InetSocketAddress("127.0.0.1", 4242);
Peer peer2 = new Peer(unitTestParams, ver, new PeerAddress(address), blockChain, memoryPool);
peer2.addWallet(wallet);
VersionMessage peerVersion = new VersionMessage(unitTestParams, OTHER_PEER_CHAIN_HEIGHT);
peerVersion.clientVersion = 70001;
peerVersion.localServices = VersionMessage.NODE_NETWORK;
connect();
InboundMessageQueuer writeTarget2 = connect(peer2, peerVersion);
// Make a tx and advertise it to one of the peers.
BigInteger value = Utils.toNanoCoins(1, 0);
Transaction tx = createFakeTx(unitTestParams, value, this.address);
InventoryMessage inv = new InventoryMessage(unitTestParams);
InventoryItem item = new InventoryItem(InventoryItem.Type.Transaction, tx.getHash());
inv.addItem(item);
inbound(writeTarget, inv);
// We got a getdata message.
GetDataMessage message = (GetDataMessage) outbound(writeTarget);
assertEquals(1, message.getItems().size());
assertEquals(tx.getHash(), message.getItems().get(0).hash);
assertTrue(memoryPool.maybeWasSeen(tx.getHash()));
// Advertising to peer2 results in no getdata message.
inbound(writeTarget2, inv);
pingAndWait(writeTarget2);
assertNull(outbound(writeTarget2));
}
private void connectWithVersion(int version) throws Exception {
VersionMessage peerVersion = new VersionMessage(unitTestParams, OTHER_PEER_CHAIN_HEIGHT);
peerVersion.clientVersion = version;
peerVersion.localServices = VersionMessage.NODE_NETWORK;
writeTarget = connect(peer, peerVersion);
}