/**
* @param ChainState $state
* @param ChainCache $chainView
* @param Peer $peer
* @param Inventory[] $items
*/
public function advertised(ChainState $state, ChainCache $chainView, Peer $peer, array $items)
{
$chain = $state->getChain();
$fetch = [];
$lastUnknown = null;
foreach ($items as $inv) {
$hash = $inv->getHash();
if ($chain->containsHash($hash)) {
if (!$chainView->containsHash($hash)) {
$fetch[] = $inv;
}
} else {
$lastUnknown = $hash;
}
}
if (null !== $lastUnknown) {
echo "send headers\n";
$peer->getheaders($state->getHeadersLocator($lastUnknown));
$this->peerState->fetch($peer)->updateBlockAvailability($state, $lastUnknown);
}
if (count($fetch) > 0) {
echo 'SEND GETDATA:' . count($fetch) . '\\n';
$peer->getdata($fetch);
}
}
/**
* @expectedException \RuntimeException
* @expectedExceptionMessage ChainCache: New BlockIndex does not refer to last
*/
public function testFailsAddingToCache()
{
$hash = str_pad("", 32, "");
$another = str_pad("", 32, "€");
$cache = new ChainCache([$hash]);
$next = new BlockIndex(new Buffer(str_pad("", 32, "A")), 1, '1', new BlockHeader(1, new Buffer($another), new Buffer('', 32), 0, new Buffer(), 0));
$cache->add($next);
}
/**
* @param BlockIndex $index
*/
public function updateTip(BlockIndex $index)
{
if ($this->index->getHash() !== $index->getHeader()->getPrevBlock()) {
throw new \RuntimeException('Header: Header does not extend this chain');
}
if ($index->getHeight() - 1 != $this->index->getHeight()) {
throw new \RuntimeException('Header: Incorrect chain height');
}
$this->chainCache->add($index);
$this->index = $index;
}
