Farcaster Devs
A channel for builders on Farcaster to ask questions and get support
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This weekend @alezsavz won $115 USDC from the @livecaster x @tipn pot during the /f1 British Grand Prix Livecast. At the heart of this experience was composability across mini apps + snapchain + smart contracts on @base. Here's how it worked: The Tipn team ( @kompreni @niftytime.eth) has built Tipn Actions which allow Tipn to do more than transfer USDC between FIDs. You can programmatically trigger onchain “actions” whenever a tip is sent via Tipn when someone likes a cast. In Livecaster's case, when chat participants received protocol reactions, the tipn action would transfer the tip money to a jackpot smart contract I wrote called LiveTipnPot. It would accumulate USDC from tips and every tip granted you an entree into the pot. Throughout the F1 race as people casted bangers I tipped them from the livecaster account via a like + tipn. That earned them entries to win the pot. The Tipn action was configured so that only likes sent via livecaster app id (there are seperate signers for the app) would trigger the action. Entries were weighted so the more bangers you posted and more you got tipped, the higher your chances of winning. Shout out to the Tipn team for also contributing a hefty amount of tips and entries! By the end of the 1.5 hour long race, the pot contract had accumulated $115 USDC and nearly 300 entries for ~40 wallets. Then the draw() function from the contract was called, seeded with the final number of replies in the thread, to pick one of the random entries onchain and transfer the entire USDC pot balance to them. One lucky livecaster got $115 USDC for talking about F1 on a Sunday morning in a Farcaster mini app. That's like going to your local sports bar and winning $115 just for showing up and bringing good vibes. There's something magical about multiple apps talking to each other onchain without users having to do anything other than show up and use a mini app. It feels like you're just casting and liking casts but under the hood the onchain legos are moving money around in ways that unlock new social finance experiences. Shout out @neynar for the infrastructure unlocking this too! Cross chain. Composable. Mini-app enabled. Non-crypto content on crypto rails. Magic ✨
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