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import nacl from 'https://esm.sh/tweetnacl@1.0.3';
/** * @name naclDecrypt * @summary Decrypts a message using the supplied secretKey and nonce * @description * Returns an decrypted message, using the `secret` and `nonce`. * @example * <BR> * * ```javascript * import { naclDecrypt } from 'https://deno.land/x/polkadot@0.2.33/util-crypto/mod.ts'; * * naclDecrypt([...], [...], [...]); // => [...] * ``` */export function naclDecrypt (encrypted: Uint8Array, nonce: Uint8Array, secret: Uint8Array): Uint8Array | null {  return nacl.secretbox.open(encrypted, nonce, secret) || null;}