Why hasn’t cold storage (offline signing) been supported by Bitcoin Core (GUI) up till now (0.19.0.1)?

Is there any deep reason not to support this? Or is this merely a “good idea, but no volunteers” situation? By the way, although Bitcoin Core had supported BIP32 several years ago, it uses hardened derivation for addresses, which makes it impossible for the watch-only side to derive new addresses for receiving/change, or used addresses…

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Is it recommended to have class methods return void on success, then return exception on failure?

I’m currently working with PHP and have been doing in and else inside a try and catch block. it looks like this try { if (!Class::classMethod()) { throw new Exception(“error!”); } if (!Class::anotherClassMethod()) { throw new Exception(“another type of error!”); } } catch (Exception $e) { // send error message to index.php as a readable…

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Using a proxies with PHP Simple HTML DOM

I’m having some issues getting PHP Simple HTML DOM Parser to work with a proxy. When I try to scrape something, it scrapes using my server IP, not proxies… Here is my code: $headers = array( ‘Proxy-Authorization’ => ‘Basic $auth’, ‘User-Agent’ => ‘Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0’, ); $arrContextOptions=array( “ssl”=>array( “verify_peer”=>false,…

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