/**
* @param BufferInterface $hash
* @return BlockIndexInterface
*/
public function fetchIndex(BufferInterface $hash)
{
if (!$this->view->containsHash($hash)) {
throw new \RuntimeException('Index by this hash not known');
}
return $this->db->fetchIndex($hash);
}
/**
* @param BlockInterface $genesisBlock
*/
public function init(BlockInterface $genesisBlock)
{
$hash = $genesisBlock->getHeader()->getHash();
$index = $this->db->fetchIndex($hash);
try {
$this->db->fetchBlock($hash);
} catch (\Exception $e) {
echo $e->getMessage() . PHP_EOL;
$this->db->insertBlock($index->getHash(), $genesisBlock, new BlockSerializer(Bitcoin::getMath(), new BlockHeaderSerializer(), new TransactionSerializer()));
}
}
/**
* @param BufferInterface $hash
* @param BlockHeaderInterface $header
* @return BlockIndexInterface
* @throws \Exception
*/
public function accept(BufferInterface $hash, BlockHeaderInterface $header, $haveBlock = false)
{
$isTip = $this->chains->isTip($hash);
if ($isTip instanceof ChainViewInterface) {
return $isTip->getIndex();
}
if ($haveBlock) {
$hasBlockTip = $this->chains->hasBlockTip($header);
if ($hasBlockTip instanceof BlockIndexInterface) {
return $this->getNextIndex($hash, $hasBlockTip, $header);
}
}
if ($this->chains->isKnownHeader($hash)) {
return $this->db->fetchIndex($hash);
}
$batch = $this->prepareBatch([$header]);
$index = $batch->getIndices()[0];
$this->applyBatch($batch);
return $index;
}
/**
* @param DbInterface $db
* @throws \Exception
*/
public function initialize(DbInterface $db)
{
$this->db = $db;
$this->genesis = $db->fetchIndex($this->params->getGenesisBlockHeader()->getHash());
foreach ($this->segments as $segment) {
$this->processSegment($db, $segment);
}
$this->updateGreatestWork();
}
/**
* @param BufferInterface $hash
* @return BlockIndexInterface
*/
public function fetchIndex(BufferInterface $hash)
{
echo __FUNCTION__ . PHP_EOL;
return $this->db->fetchIndex($hash);
}
