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wannabet

wannabet is a public, onchain, peer-to-peer betting dapp deployed on Base. Bets are defined and placed upfront, wagers are held in an escrow contract, and a judge is assigned to determine a winner.

Features

  • Trustless, public wagers
  • Bet with any ERC20 on Base (website currently only supports USDC, WETH, and rETH)

Current Deployments

  • Contract (deployed on base)
  • Web app (deployed at wannabet.cc)
  • Indexer & API (deployed)
  • Bot (deployed on farcaster)
  • Frame (not production ready)

How it works

There are 3 roles in any given bet: a creator, participant, and a judge. The bet creator and participant put their wagers into an escrow contract with the createBet and acceptBet functions respectively, and the judge determines the winner with the settleBet function.

  1. Create a bet with BetFactory.sol createBet
  • Sends your wager to the escrow contract (requires a preliminary authorization txn)
  • Sends a fee
  • Creates a new deployed instance of Bet.sol with a "pending" status
  1. Accept, decline, or ignore a bet as the participant in Bet.sol
  • acceptBet
    • Sends the participant's wager (requires a preliminary authorization txn)
    • Sends a fee
    • Changes the bet status to "accepted"
  • declineBet
    • Returns the bet creator's wager
    • Changes the bet status to "declined"
  • Ignore (if not accepted or declined prior to the specified deadline)
    • Changes the bet status to "expired"
    • Allows the bet creator to run retrieveTokens to get their wager back
  1. If accepted, the judge can settle with settleBet
  • Sends all tokens to the winning party
  • Attaches a message as the judgement reasoning
  • To settle as a tie, the judge can pass address(0) as the winner, and the tokens will be evenly returned to both parties