/** * @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); } }
/** * @param Buffer $hash * @return BlockIndex */ public function fetchIndex(Buffer $hash) { if (!$this->chainCache->containsHash($hash)) { throw new \RuntimeException('Index by this hash not known'); } return $this->headers->fetch($hash); }