/**
* @param BlockIndex $index
*/
public function add(BlockIndex $index)
{
if ($index->getHeader()->getPrevBlock() !== $this->getHash($index->getHeight() - 1)->getHex()) {
throw new \RuntimeException('ChainCache: New BlockIndex does not refer to last');
}
$binary = hex2bin($index->getHash());
$this->hashByHeight[] = $binary;
$this->heightByHash[$binary] = $index->getHeight();
}
/**
* @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;
}
public function testBlockIndex()
{
$headerHex = '0100000000000000000000000000000000000000000000000000000000000000000000003ba3edfd7a7b12b27ac72c3e67768f617fc81bc3888a51323a9fb8aa4b1e5e4a29ab5f49ffff001d1dac2b7c';
$header = BlockHeaderFactory::fromHex($headerHex);
$hash = $header->getHash();
$height = 0;
$work = 0;
$index = new BlockIndex($hash, $height, $work, $header);
$this->assertEquals($hash, $index->getHash());
$this->assertEquals($height, $index->getHeight());
$this->assertEquals($work, $index->getWork());
$this->assertSame($header, $index->getHeader());
}
/**
* @param Buffer|null $hashStop
* @return BlockLocator
*/
public function getBlockLocator(Buffer $hashStop = null)
{
echo 'Produce Blocks locator (' . $this->lastBlock->getHeight() . ') ' . PHP_EOL;
return $this->getLocator($this->lastBlock->getHeight(), $hashStop);
}
/**
* @param BlockIndex $prevIndex
* @param BlockHeaderInterface $header
* @return BlockIndex
*/
public function makeIndex(BlockIndex $prevIndex, BlockHeaderInterface $header)
{
return new BlockIndex($header->getHash()->getHex(), $this->math->add($prevIndex->getHeight(), 1), $this->math->add($this->pow->getWork($header->getBits()), $prevIndex->getWork()), $header);
}
/**
* @param BlockInterface $block
* @param BlockIndex $prevBlockIndex
* @return bool
*/
public function checkContextual(BlockInterface $block, BlockIndex $prevBlockIndex)
{
$newHeight = $prevBlockIndex->getHeight() + 1;
$newTime = $block->getHeader()->getTimestamp();
foreach ($block->getTransactions() as $transaction) {
if (!$this->checkTransactionIsFinal($transaction, $newHeight, $newTime)) {
throw new \RuntimeException('Block contains a non-final transaction');
}
}
return $this;
}
