0G Storage is the storage layer for the ZeroGravity data availability (DA) system. The 0G Storage layer holds three important features:
- Buit-in - It is natively built into the ZeroGravity DA system for data storage and retrieval.
- General purpose - It is designed to support atomic transactions, mutable kv stores as well as archive log systems to enable wide range of applications with various data types.
- Incentive - Instead of being just a decentralized database, 0G Storage introduces PoRA mining algorithm to incentivize storage network participants.
To dive deep into the technical details, continue reading 0G Storage Spec.
We provide a SDK for users to easily integrate 0G Storage in their applications with the following features:
- File Merkle Tree Class
- Flow Contract Types
- RPC methods support
- File upload
- Support browser environment
- Tests for different environments (In Progress)
- File download (In Progress)
Please refer to Deployment page for detailed steps to compile and start a 0G Storage node.
- Required python version: 3.8, 3.9, 3.10, higher version is not guaranteed (e.g. failed to install
pysha3). - Install dependencies under root folder:
pip3 install -r requirements.txt
Python test framework will launch blockchain fullnodes at local for storage node to interact with. There are 2 kinds of fullnodes supported:
- Conflux eSpace node (by default).
- BSC node (geth).
For Conflux eSpace node, the test framework will automatically compile the binary at runtime, and copy the binary to tests/tmp folder. For BSC node, the test framework will automatically download the latest version binary from github to tests/tmp folder.
Alternatively, you could also manually copy specific versoin binaries (conflux or geth) to the tests/tmp folder. Note, do NOT copy released conflux binary on github, since block height of some CIPs are hardcoded.
For testing, it's also dependent on the following repos:
- 0G Storage Contract: It essentially provides two abi interfaces for 0G Storage Node to interact with the on-chain contracts.
- ZgsFlow: It contains apis to submit chunk data.
- PoraMine: It contains apis to submit PoRA answers.
- 0G Storage Client: It is used to interact with certain 0G Storage Nodes to upload/download files.
Go to the tests folder and run following command to run all tests:
python test_all.py
or, run any single test, e.g.
python sync_test.py
To make contributions to the project, please follow the guidelines here.