Apply rules from phpstan max level

Author: akondas

src/Node/Peer.php

@@ -26,12 +26,12 @@ public function send(Message $message): void
 
     public function host(): string
     {
-        return parse_url($this->connection->getRemoteAddress(), PHP_URL_HOST);
+        return parse_url((string) $this->connection->getRemoteAddress(), PHP_URL_HOST);
     }
 
     public function port(): int
     {
-        return parse_url($this->connection->getRemoteAddress(), PHP_URL_PORT);
+        return parse_url((string) $this->connection->getRemoteAddress(), PHP_URL_PORT);
     }
 
     /**

tests/NodeTest.php

@@ -17,9 +17,11 @@ final class NodeTest extends TestCase
 
     public function setUp(): void
     {
+        /** @var P2pServer $p2pServer */
+        $p2pServer = $this->createMock(P2pServer::class);
         $this->node = new Node(
             new Miner(new Blockchain(Block::genesis()), new ZeroPrefix()),
-            $this->createMock(P2pServer::class)
+            $p2pServer
         );
     }