Various projects aim to improve user experience by enabling recurring fee subscriptions, delegated conditional execution or sponsored gas. These second layer execution markets all share the need for a relayer that submits signed user transactions to the network.
The aim of this project is to implement a decentralized relay network, with enough modularity that could support the various use-cases mentioned above. A prototype of this idea, with a focus on supporting Gnosis Safe as identity proxy and whisper as pubsub protocol, was recently implemented by the Hermes Network team at ETHBerlin.
In order to run a relayer, you'll need to have an IPFS node with pubsub enabled running. Install and setup IPFS, then run daemon:
ipfs daemon --enable-pubsub-experimentRelayer also needs access to an Ethereum chain. By default, it connects to Rinkeby, through Infura.
Clone the repository and install the dependencies via dep:
dep ensureRelay-network currently only works with ethbase. For using with ethbase, start a relayer, which listens on a pubsub topic, and submits the logs to the ethbase contract:
MNEMONIC="____" go run cmd/relayer/main.goThen, run ethbasepub, which subscribes to the logs emitted by event emitters registered in Ethbase, generates a proof for the log, and sends it to the relayer via IPFS pubsub.
go run cmd/ethbasepub/main.go