Nether Reactor block is back

This should never have been removed, it exists as an unobtainable block in vanilla which drops iron and diamond.

src/pocketmine/block/Block.php

@@ -316,7 +316,7 @@ class Block extends Position implements BlockIds, Metadatable{
 			self::registerBlock(new Beetroot());
 			self::registerBlock(new Stonecutter());
 			self::registerBlock(new GlowingObsidian());
-			//TODO: NETHERREACTOR
+			self::registerBlock(new NetherReactor());
 			//TODO: INFO_UPDATE
 			//TODO: INFO_UPDATE2
 			//TODO: MOVINGBLOCK

src/pocketmine/block/NetherReactor.php

@@ -0,0 +1,64 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\block;
+
+use pocketmine\item\Item;
+use pocketmine\item\Tool;
+
+class NetherReactor extends Solid{
+	protected $id = Block::NETHER_REACTOR;
+
+	public function __construct($meta = 0){
+		$this->meta = $meta;
+	}
+
+	public function getName(){
+		static $prefixes = [
+			"",
+			"Active ",
+			"Used "
+		];
+		return ($prefixes[$this->meta] ?? "") . "Nether Reactor Core";
+	}
+
+	public function getToolType(){
+		return Tool::TYPE_PICKAXE;
+	}
+
+	public function getHardness(){
+		return 3;
+	}
+
+	public function getDrops(Item $item){
+		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+			return [
+				[Item::IRON_INGOT, 0, 6],
+				[Item::DIAMOND, 0, 3]
+			];
+		}
+
+		return [];
+	}
+
+}