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Relayer

Relayer is responsible for retrieving data and proof of other chains
Relayers act as intermediaries between the source chain and the destination chain. Their main functions are as follows:
  • Monitor and receive query requests emitted from the Gateway Contract on the source chain
  • Obtain proof based on the query requests
    • Use eth_getProof to obtain account proof and a storage proof
  • Send the proof as a transaction to the Gateway Contract on the source chain
Today, Futaba operates its own Relayer. In the future, we will provide a module to customize Relayer more easily to support Proof of Block Hash when using Konoha, and aim to build a Permissionless Relayer.
The current Fee for Relayer can be found in Estimate fee.