Farcaster Market Prediction Smart Contracts

This contract will enable the on-chain market prediction app in a decentralized social way

• Attest: record an address's price prediction value on-chain
• Compare Price with Oracle
• Rewarding: distribute the rewards to the winners

Architecture

Related Repos

• Farcaster MarketSense Scripts
• Farcaster MarketSense Smart Contracts
• Farcaster MarketSense Frames

Deployed Contracts

• Base: 0xDDb6BDf0E5A51d772c98FA3A29bF2297c437d6bc
• Linea: 0x6213ff5c597c21bc0d5230dc001a09b998546410
• Hedera: 0x6213FF5C597c21BC0d5230DC001a09B998546410
• Arbitrum: 0x6213ff5c597c21bc0d5230dc001a09b998546410

Components

• Front-end: run on Vercel + Warpcaster(with Frames)
• Smart Contracts: can run on any EVM Compatible blockchain
• Back-end

Chainlink Oracle Address

https://data.chain.link/feeds?categories=Crypto

Base

• WBTC/USD: 0xCCADC697c55bbB68dc5bCdf8d3CBe83CdD4E071E

Linea

• BTC/USD: 0x7A99092816C8BD5ec8ba229e3a6E6Da1E628E1F9
• ETH/USD: 0x3c6Cd9Cc7c7a4c2Cf5a82734CD249D7D593354dA

Arbitrum

• BTC/USD: 0x6ce185860a4963106506C203335A2910413708e9
• ETH/USD: 0x639Fe6ab55C921f74e7fac1ee960C0B6293ba612

Supera V1 Oracle for Hedera Blockchain

• Pull Contract: 0x41AB2059bAA4b73E9A3f55D30Dff27179e0eA181
• Storage Contract: 0xD02cc7a670047b6b012556A88e275c685d25e0c9

Related Assets Address

• Base WBTC: 0x1ceA84203673764244E05693e42E6Ace62bE9BA5

Documentation

https://book.getfoundry.sh/

Usage

Build

$ forge build

Test

$ forge test

Format

$ forge fmt

Gas Snapshots

$ forge snapshot

Anvil

$ anvil

Deploy

$ forge script script/Counter.s.sol:CounterScript --rpc-url <your_rpc_url> --private-key <your_private_key>

Cast

$ cast <subcommand>

Help

$ forge --help
$ anvil --help
$ cast --help