public function testLookup()
{
$hash = str_pad("", 32, "");
$buffer = new Buffer($hash);
$height = 0;
$cache = new ChainCache([$hash]);
try {
$lookup = $cache->getHash($height);
$this->assertEquals($hash, $lookup->getBinary());
$this->assertEquals($height, $cache->getHeight($buffer));
$result = true;
} catch (\Exception $e) {
$result = false;
}
$this->assertTrue($result, 'cache item exists');
}
/**
* @param Buffer $hash
* @return int
*/
public function getHeightFromHash(Buffer $hash)
{
return $this->chainCache->getHeight($hash);
}