/**
* @param BufferInterface $hash
* @return int
*/
public function getHeightFromHash(BufferInterface $hash)
{
if (!$this->containsHash($hash)) {
throw new \RuntimeException('Hash not found');
}
return $this->view->getHeightFromHash($hash);
}
/**
* @param ChainViewInterface $headerChain
* @param BufferInterface $startHash
* @throws \RuntimeException
* @throws \Exception
* @return Inventory[]
*/
private function relativeNextInventory(ChainViewInterface $headerChain, BufferInterface $startHash)
{
if (!$headerChain->containsHash($startHash)) {
throw new \RuntimeException('Hash not found in this chain');
}
$startHeight = $headerChain->getHeightFromHash($startHash) + 1;
$stopHeight = min($startHeight + self::DOWNLOAD_AMOUNT, $headerChain->getIndex()->getHeight());
$nInFlight = count($this->inFlight);
$request = [];
for ($i = $startHeight; $i < $stopHeight && $nInFlight < self::MAX_IN_FLIGHT; $i++) {
$request[] = Inventory::block($headerChain->getHashFromHeight($i));
$nInFlight++;
}
return $request;
}
