Gelato VRF on Berachain

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Repository

• Code: github.com/berachain/guides/tree/main/apps/gelato-vrf
• README (raw): raw README

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Official documentation

• Gelato VRF — deploy and manage VRF tasks.

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Requirements

• Node v20.0.0 or greater, npm or yarn
• Wallet with $BERA — Bepolia Faucet
• Hardhat

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Stack

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Quick start

1. Clone and install
   git clone https://github.com/berachain/guides.git && cd guides/apps/gelato-vrf
   npm install
   
2. Configure .env from .env.example: PRIVATE_KEY, DEDICATED_MSG_SENDER, and later SC_ADDRESS (your deployed contract).
3. Deploy
   npx hardhat deploy --network berachain
   
   Note the deployed address from deployments/ and set SC_ADDRESS in .env.
4. Create a Gelato VRF task at app.gelato.network/vrf: choose Berachain Bepolia, enter your requester contract address, then launch the VRF instance.
5. Request randomness
   npx hardhat run ./scripts/requestRandomness.ts --network berachain
   
   Monitor execution in the Gelato app.

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Key files