Fallback VRF is a mechanism designed to fulfill missing or unfulfilled VRF requests. By creating a fallback task alongside your main VRF task, you can ensure that all requests are fulfilled in any scenario. Setting up a fallback task for VRF is a straightforward process. Here’s a step-by-step guide to help you create one.

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1. Deploy VRF Compatible Contract

Before deploying Fallback VRF, ensure that your contract is compatible with VRF. You can quickly set up one by heading over to the quick start guide.

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2. Select Deployment Network

Navigate to the Gelato app and ensure you choose the same network where both your Main VRF task and VRF compatible contracts are deployed. Fallback VRF

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3. Enter Fallback Parameters

Fallback VRF has three main parameters:
  • From Block: The block number from which the fallback will start analyzing missing events. It is recommended to use the block number of your VRF-compatible contract deployment.
  • Time: The interval at which the fallback task checks for missing events.
  • Contract Address: The address of your deployed VRF-compatible contract.

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4. Launch your Fallback VRF Instance

Once all details are correctly entered, go ahead and launch your Fallback Gelato VRF instance.