Otter

Access control at the blob data level for Sui blockchain applications.

Installation

npm install otter-protocol

Features

• Encrypt and chunk data for decentralized storage
• Decrypt chunked and unchunked blobs
• Support for multiple pricing models (allowlist, subscription, chunk-based)
• Integration with Sui, Walrus, and Seal protocols

Usage

Encryption

import { encryptAndChunk } from 'otter-protocol';

const result = await encryptAndChunk({
  data: new Uint8Array([...]),
  packageId: '0x...',
  module: 'allowlist',
  // ... other options
});

Decryption

import { parseChunkedBlobHeader, extractEncryptedChunks, dechunk } from 'otter-protocol';

const header = parseChunkedBlobHeader(blobData);
const chunks = extractEncryptedChunks(blobData, header);
const decrypted = await dechunk({
  chunks,
  header,
  // ... other options
});

License

Apache-2.0