first copies from portal

app/Traits/NostrFetcherTrait.php

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+<?php
+
+namespace App\Traits;
+
+use App\Models\Profile;
+use swentel\nostr\Filter\Filter;
+use swentel\nostr\Key\Key;
+use swentel\nostr\Message\RequestMessage;
+use swentel\nostr\Relay\Relay;
+use swentel\nostr\Request\Request;
+use swentel\nostr\Subscription\Subscription;
+
+trait NostrFetcherTrait
+{
+
+    public function fetchProfile($npubs)
+    {
+        $hex = collect([]);
+        foreach ($npubs as $item) {
+            $hex->push([
+                'hex' => (new Key)->convertToHex($item),
+                'npub' => $item,
+            ]);
+        }
+
+        $subscription = new Subscription();
+        $subscriptionId = $subscription->setId();
+
+        $filter1 = new Filter();
+        $filter1->setKinds([0]); // You can add multiple kind numbers
+        $filter1->setAuthors($hex->pluck('hex')->toArray()); // You can add multiple author ids
+        $filters = [$filter1]; // You can add multiple filters.
+
+        $requestMessage = new RequestMessage($subscriptionId, $filters);
+
+        $relayUrl = 'wss://relay.nostr.band/';
+        $relay = new Relay($relayUrl);
+        $relay->setMessage($requestMessage);
+
+        $request = new Request($relay, $requestMessage);
+        $response = $request->send();
+
+        foreach ($response['wss://relay.nostr.band/'] as $item) {
+            try {
+                $result = json_decode($item->event->content, true, 512, JSON_THROW_ON_ERROR);
+            } catch (\JsonException $e) {
+                throw new \RuntimeException('Error decoding JSON: ' . $e->getMessage());
+            }
+            Profile::query()->updateOrCreate(
+                ['pubkey' => $item->event->pubkey],
+                [
+                    'name' => $result['name'] ?? null,
+                    'display_name' => $result['display_name'] ?? null,
+                    'picture' => $result['picture'] ?? null,
+                    'banner' => $result['banner'] ?? null,
+                    'website' => $result['website'] ?? null,
+                    'about' => $result['about'] ?? null,
+                    'nip05' => $result['nip05'] ?? null,
+                    'lud16' => $result['lud16'] ?? null,
+                    'lud06' => $result['lud06'] ?? null,
+                    'deleted' => $result['deleted'] ?? false,
+                ]
+            );
+        }
+
+    }
+
+}