Gaia

Inspiration

Gaia was inspired by the idea of delivering custom data to smart contracts. Imagine a system where users can simply upload an API or have a website that can easily submit outside information onto the blockchain.

What it does

Gaia looks for sports data (football fixtures) on a particular day and updates the fixtures and their timestamps accordingly. When a match is completed, the results are delivered onto the blockchain.

How we built it

The smart contract was built using Solidity and Chainlink products. A time-based automation is used to get daily match fixtures and their starting times. Afterward, the outcome of a fixture is called after some time using custom Keepers. We used automated functions to get real-world data using Chainlink functions.

Challenges we ran into

Writing JavaScript functions was difficult when returning the JavaScript-encoded data types to Solidity data types. Chainlink's documentation and Functions Playground provided helpful insights. It was also challenging to manage multiple upkeepers. Getting the API from a single central source poses a centralized risk.

Accomplishments that we're proud of

Using Chainlink Functions and Automation to get real match data.

What we learned

Getting real data on-chain is very expensive. It is essential to keep on-chain data very minimal.

What's next for Gaia

Gaia could list more sports data.
Gaia could broadcast data to different blockchains.

Built With

• foundry
• scafold-eth
• solidity