Abstracts away the network communications; silently enforces configuration
(e.g. tor-only mode).
/**
* Fetch all of the updates from the remote server.
*
* @param Channel $chan
* @param string $url
* @param string $root Which Merkle root are we starting at?
* @return TreeUpdate[]
*/
protected function fetchTreeUpdates(Channel $chan, string $url, string $root) : array
{
try {
return $this->parseTreeUpdateResponse($chan, $this->hail->getSignedJSON($url . API::get('fetch_keys') . '/' . $root, $chan->getPublicKey()));
} catch (SignatureFailed $ex) {
$state = State::instance();
if (IDE_HACKS) {
$state->logger = new Ledger();
}
$state->logger->alert('Signature failed!', \Airship\throwableToArray($ex));
}
return [];
}
