nostr-tools 内部でも使っている noble-secp256k1 で "破壊的変更" が来てた。

Nostr に関連しそうなのはこの辺。シュノア署名は @noble/curves に移動。今まで非同期だったのが同期になった等。

```

-import * as secp from '@noble/secp256k1';

+import { secp256k1, schnorr } from '@noble/curves/secp256k1';

+import * as utils from '@noble/curves/abstract/utils';

+import { sha256 } from '@noble/hashes/sha256';

-event.sig = secp.utils.bytesToHex(await secp.schnorr.sign(event.id, getPrivateKey(account)));

-// console.assert(await secp.schnorr.verify(event.sig, event.id, event.pubkey));

+event.sig = utils.bytesToHex(schnorr.sign(event.id, getPrivateKey(account)));

+// console.assert(schnorr.verify(event.sig, event.id, event.pubkey));

-const key = secp.getSharedSecret(privkey, '02' + pubkey);

+const key = secp256k1.getSharedSecret(privkey, '02' + pubkey);

```

https://github.com/susumuota/nostr-keyx/commit/1c405ac1568a01b8d8129cff1a3bdb2d09e79338

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