initial

src/clients/useCommands.ts

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+import { getEventHash } from 'nostr-tools/event';
+import type { Event as NostrEvent } from 'nostr-tools/event';
+
+import usePool from '@/clients/usePool';
+
+type UseCommands = {
+  publishTextNote: ({ content }: { content: string }) => Promise<void>;
+};
+
+const useCommands = (): UseCommands => {
+  const pool = usePool();
+
+  const publishTextNote = async ({
+    relayUrls,
+    pubkey,
+    content,
+  }: {
+    relayUrls: string[];
+    pubkey: string;
+    content: string;
+  }) => {
+    const preSignedEvent: NostrEvent = {
+      kind: 1,
+      pubkey,
+      created_at: Math.floor(Date.now() / 1000),
+      tags: [],
+      content,
+    };
+    preSignedEvent.id = getEventHash(preSignedEvent);
+    const signedEvent = await window.nostr.signEvent(preSignedEvent);
+
+    return relayUrls.map(async (relayUrl) => {
+      const relay = await pool().ensureRelay(relayUrl);
+      const pub = relay.publish(signedEvent);
+
+      return new Promise((resolve, reject) => {
+        pub.on('ok', () => {
+          console.log(`${relayUrl} has accepted our event`);
+          resolve(null);
+        });
+        pub.on('failed', (reason: any) => {
+          console.log(`failed to publish to ${relayUrl}: ${reason}`);
+          reject(reason);
+        });
+      });
+    });
+  };
+
+  return { publishTextNote };
+};
+
+export default useCommands;