storj
Ongoing Storj v3 development. Decentralized cloud object storage that is affordable, easy to use, private, and secure.
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Quick Overview
Storj is an open-source, decentralized cloud storage platform that leverages blockchain technology and a distributed network of nodes to provide secure, private, and efficient data storage. It aims to create a more resilient and cost-effective alternative to traditional centralized cloud storage services.
Pros
- Increased privacy and security through end-to-end encryption and decentralized storage
- Potentially lower costs compared to traditional cloud storage providers
- Improved data redundancy and availability through distributed storage
- Open-source nature allows for community contributions and transparency
Cons
- Relatively new technology, which may lead to potential stability issues
- Limited ecosystem compared to established cloud storage providers
- Requires users to manage their own encryption keys, which can be challenging for some
- Performance may vary depending on network conditions and node availability
Getting Started
To get started with Storj as a user:
- Create an account on the Storj website (https://www.storj.io/)
- Download and install the Storj Uplink CLI or use the web interface
- Generate an API key and access grant
- Use the Uplink CLI or web interface to upload and manage your files
For developers interested in integrating Storj into their applications:
- Install the Uplink library for your preferred programming language
- Obtain an access grant from the Storj satellite
- Use the library to interact with the Storj network, such as uploading and downloading files
Example using the Go SDK:
import (
"context"
"fmt"
"io"
"os"
"storj.io/uplink"
)
func main() {
access, err := uplink.ParseAccess("your-access-grant")
if err != nil {
fmt.Println("Error parsing access grant:", err)
return
}
project, err := uplink.OpenProject(context.Background(), access)
if err != nil {
fmt.Println("Error opening project:", err)
return
}
defer project.Close()
// Upload a file
upload, err := project.UploadObject(context.Background(), "your-bucket", "path/to/object", nil)
if err != nil {
fmt.Println("Error starting upload:", err)
return
}
data, err := os.Open("local-file.txt")
if err != nil {
fmt.Println("Error opening local file:", err)
return
}
defer data.Close()
_, err = io.Copy(upload, data)
if err != nil {
fmt.Println("Error uploading data:", err)
upload.Abort()
return
}
err = upload.Commit()
if err != nil {
fmt.Println("Error committing object:", err)
return
}
fmt.Println("File uploaded successfully")
}
This example demonstrates how to use the Storj Go SDK to upload a file to the Storj network. Remember to replace "your-access-grant", "your-bucket", and "path/to/object" with your actual values.
Competitor Comparisons
Reference implementation of the Filecoin protocol, written in Go
Pros of Lotus
- More active development with frequent updates and contributions
- Larger community and ecosystem support
- Advanced consensus mechanism (Proof-of-Replication and Proof-of-Spacetime)
Cons of Lotus
- Higher complexity and steeper learning curve
- Requires more computational resources for mining and validation
- Less focus on user-friendly interfaces and tools
Code Comparison
Lotus (Go):
func (sm *StorageMiner) RunPreCommitWatcher(ctx context.Context) error {
for {
select {
case <-ctx.Done():
return nil
case evt := <-sm.preCommitEvents:
if err := sm.handlePreCommitEvent(ctx, evt); err != nil {
log.Errorf("failed to handle pre-commit event: %+v", err)
}
}
}
}
Storj (Go):
func (s *Service) Run(ctx context.Context) error {
group, ctx := errgroup.WithContext(ctx)
for _, task := range s.tasks {
task := task
group.Go(func() error {
return task.Run(ctx)
})
}
return group.Wait()
}
The code snippets show different approaches to handling concurrent tasks. Lotus uses a select statement for event handling, while Storj employs an error group for managing multiple tasks concurrently.
An IPFS implementation in Go
Pros of Kubo
- More established project with a larger community and ecosystem
- Supports a wider range of use cases beyond file storage, including content addressing and distributed web hosting
- Implements a content-addressed system, allowing for efficient deduplication and content verification
Cons of Kubo
- Can be more resource-intensive, especially for nodes storing large amounts of data
- Network performance can be inconsistent due to the decentralized nature of content discovery
- Less focus on incentivization and tokenomics compared to Storj
Code Comparison
Kubo (Go):
node, err := core.NewNode(ctx, &core.BuildCfg{
Online: true,
Routing: libp2p.DHTOption,
Repo: repo,
})
Storj (Go):
uplink, err := uplink.NewUplink(ctx, nil)
project, err := uplink.OpenProject(ctx, satelliteAddress)
bucket, err := project.CreateBucket(ctx, bucketName)
Both projects use Go as their primary language, but their APIs differ significantly due to their distinct architectures and goals. Kubo focuses on peer-to-peer content addressing, while Storj emphasizes distributed cloud storage with encryption and access management.
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Storj V3 Network
Storj is building a distributed cloud storage network. Check out our white paper for more info!
Storj is an S3-compatible platform and suite of distributed applications that allows you to store data in a secure and distributed manner. Your files are encrypted, broken into little pieces and stored in a global distributed network of computers. Luckily, we also support allowing you (and only you) to retrieve those files!
Table of Contents
Contributing to Storj
All of our code for Storj v3 is open source. If anything feels off, or if you feel that some functionality is missing, please check out the contributing page. There you will find instructions for sharing your feedback, building the tool locally, and submitting pull requests to the project.
A Note about Versioning
While we are practicing semantic versioning for our client libraries such as uplink, we are not practicing semantic versioning in this repo, as we do not intend for it to be used via Go modules. We may have backwards-incompatible changes between minor and patch releases in this repo.
Start using Storj
Our wiki has documentation and tutorials. Check out these three tutorials:
License
This repository is currently licensed with the AGPLv3 license.
For code released under the AGPLv3, we request that contributors sign our updated Contributor License Agreement (CLA) v2 so that we can relicense the code under Apache v2, or other licenses in the future.
Support
If you have any questions or suggestions please reach out to us on our community forum or file a ticket at https://support.storj.io/.
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