Flare Hackathon Guide - ETH Oxford

Flare is offering a total of $12,000 in prizes. On this page, you will find links to all the resources & details that will help you get started building on Flare. If you have any questions, feel free to reach out to our team at the booth or on our Discord :)

→ LINK to Register for ETH Oxford Hackathon ←

Bounty Prizes & Submission details are at the End 👇

👨‍💻 Developer Resources:

If you need anything - visit us at the booth and we will help you. We are happy to provide you with

API keys to get full access to the RPC for all Flare’s networks and Sepolia testnet
API keys for attestation clients needed for the state connector
Additional tokens for coston and sepolia (if the faucets don’t provide enough)
Testnet ERC20 tokens that are automatically relayed between Coston and Sepolia (usefull for bridge)

Generic Tutorials:

Flare Tech Docs are the ultimate resource to learn about Flare & its core protocols

FTSO:

FTSO Tutorial: Flare Time Series Oracle provides continuous estimations for different types of data - Price Feeds.
Observe the FTSO status in real time https://flare-ftso-monitor.flare.network/data-providers
FTSO prices are automatically relayed to connected chains and can similarly be reused there (sepolia).

State connector:

State Connector blogpost series : Specifically curated blogpost entries for hackathon with code examples.
**Specification:** Official specification of the protocol together with attestation types.
Attestation clients:
- https://attestation-coston.flare.network/verifier/btc/api-doc
- https://attestation-coston.flare.network/verifier/doge/api-doc
- https://attestation-coston.flare.network/verifier/xrp/api-doc
- https://evm-verifier.flare.network/verifier/api-doc (supports testETH - sepolia, testSGB - coston)
- Verifier (when you need to construct a proof): https://attestation-coston.flare.network/attestation-client/api-doc#/
- Attestation clients require an API-KEY, you can find it here or come to the booth and get it.
- All state connector data is relayed to https://sepolia.etherscan.io/address/0xfa83a1919f578c8a2fbf9e9ea2c85906fdc717a2 so you can use flare data on Sepolia also. This gives you two way communication between Coston and Sepolia. It has the same user interface as state connector on Coston.
```
  Verifiers on sepolia:
  IEVMTransactionVerification: 0x0bd4a6D3eFbB0aa8b191AE71E7dfF41c10fe8B9F
  IAddressValidityVerification: 0xCdeaDFFb01ed6Ca76b7d84D6090205721f1Bb7cd
  IBalanceDecreasingTransactionVerification: 0x6F7Fd32d10E97db4f4b997217ab26a620D0C9595
  IConfirmedBlockHeightExistsVerification: 0xaD8EF7Da369B6fF8F5178aF2FFAE2Acd6E9D563a
  IPaymentVerification: 0xC976dD804F8A931abC274B17A4b223FBDE360Be4
  IReferencedPaymentNonexistenceVerification: 0x82e35B6Dd9fE269DD07abb32B06653437671ae2E
```
State Connector Tutorial: State Connector allows anyone to query non-changing, verifiable information (such as blockchain data) from outside the Flare network.
State Connector Attestation Types