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A decentralized storage abstraction middleware framework
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.gitignore adding first proof of concept to github May 23, 2018


With storagestack you can use middleware to control the flow of storing data into a storage system.

When we see the rise of decentralized applications it is important to build upon a framework to control the content in these distributed systems. This will help to implement common functionality within the space.

This provides you with the application object of storagestack

import { ss } from '@storagestack/core';


A provider is an abstract definition of a storage mechanism. Every provider can set, get and delete content.

You can register a provider on the application object of storagestack.

ss.registerProvider(new MemoryProvider());

Or when you want to use a pattern ...

ss.registerProvider(new MemoryProvider(), '*-index.json');

Take a look in the core library to the provider interface.

We have implementations for:

  • Blockstack
  • IPFS
  • Localstorage
  • Memory


You will have also an ability to define middleware to transform your storage content to the content you want for your application.

You register a middleware by providing a pattern when the middleware needs to be handled and the middleware implementation.

ss.use('*', new UpperMiddleware());

When you want to create your own middleware you can just implement the 'MiddlewareStack' interface.

An example of a middleware implementation that has a counter and transforms the content to uppercase when it is been set.

class UpperMiddleware implements MiddlewareStack {
    count = 1;
    set(storageInfo: StorageInfo, next: () => void) {
        storageInfo.content = storageInfo.content.toUpperCase();
    get(storageInfo: StorageInfo, next: () => void) {
        storageInfo.content = `${this.count} ${storageInfo.origin}`;

! StorageStack is on heavy development to get it stable, so be aware of a lof of version updates.

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