A FVM compatible deal bounty contract example that demonstrates one way of implementing a Data DAO on Filecoin.
This repo contains a solidity contract template that lists data bounties to claim, and pays out the bounty upon the deal proven to be made with the builtin filecoin builtin market.
To build and test you will need to install foundry which depends on cargo. After installing foundry simple run
make buildto compile the contracts.
If you build an extension to this MVP contract this repo hopes to be a good home for it. Follow the contribution guidelines to add your extended contracts back here where they can be shared with other developers.
Filecoin is an open-source cloud storage marketplace, protocol, and incentive layer. It allows a very flexible system for clients (wanting to store data) and Storage Providers (SPs) to negotiate the storage of data between them.
The Filecoin network is a massive decentralised storage network with over 16EB of committed storage capacity across over 4,000 Storage Providers (SPs) worldwide. The Filecoin blockchain is a L1 blockchain that is used to broadcast, negotiate, and store the "storage deals" between clients (entities wanting to store data), and SPs. The actual data storage itself is carried out off-chain for efficiency and scalability.
In this example smart contract, for simplicity, all deal making happens outside of the smart contact. The smart contract itself does not initiate the making of any deals itself, but incentivizes other parties to make those deals and supply the resultant deal ID back to the smart contract to verify.
There are many ways you can store data on Filecoin, you can find more details here. To better design a DataDAO or a data bounty operation, you'd benefit a lot from understanding the data onboarding flow with storage providers, see the tutorial here if you haven't already!
A simple deal bounty contract consists a list of the data CIDs that it incentives to store on Filecoin. Once a storage deals is made for the listed data, the data bounty hunter can claim the data bounty by providing the deal ID. The contract will check with the Filecoin storage market to confirm whether the supplied deal ID is activated and stores the claimed data. Once validated, the deal bounty contract will pay the bounty hunter out.
The deal bounty contract consists of four conceptual steps:
| Step | Who | What is happening | Why |
|---|---|---|---|
| Deploy | contract owner | address that deployed contracts is the owner of the contract, and the individual that can call addCID | create a contract and setting up rules to follow |
| AddCID | data pinners | set up data cids that the contract will incentivize in deals | add request for a deal in the filecoin network, "store data" function |
| Fund | contract funders | add FIL to the contract to later pay out deals | ensure the deal actually gets stored by providing funds for bounty hunter and (indirect) storage provider |
| Claim | bounty hunter | claim the incentive to complete the cycle | pay back the bounty hunter for doing work for the contract |
- A simple data DAO can be implemented with a client that adds the bounties through a voting mechanism
- Perpetual storage contracts can by implemented with clients that funds deals with defi mechanisms and recycle cids from expiring deals into their authorization sets
- Trustless third party data funding can be implemented with 1) public ability to list the bounty 2) a funding mechanism that associates payments with particular cids
You can find us easily at the Filecoin Slack workspace(filecoin.io/slack) - #fil-lotus-dev