erigon
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erigontech
Support Gnosis Chain (formerly xDai)
Rationale
Currently, the Gnosis Chain (formerly xDai) is supported by two clients: OpenEthereum and Nethermind. OpenEthereum will stop working when The Merge happens, so people should get off it ASAP. On the other side, Nethermind seems to be somewhat of a memory hog and additionally, there should be client diversity, a network should not be in the hands of a single client. In addition, in https://medium.com/openethereum/gnosis-joins-erigon-formerly-turbo-geth-to-release-next-gen-ethereum-client-c6708dd06dd was touted as the client that all OpenEthereum users should switch to, but for those running a Gnosis Chain node (no matter if a validating or non-validating one), it's not a valid alternative right now.
Implementation
I know the largest issue there is probably the AuRa consensus algorithm used on that chain right now - even more as it will be replaced by the Beacon Chain consensus (hopefully) in the near future. Still it would be great if we could run Erigon at least in a non-validating form before The Merge so client diversity on that chain could be upheld to some degree.
https://github.com/ledgerwatch/erigon/tree/devel/consensus/aura
PoA mainnet is already supported by erigon
https://github.com/ledgerwatch/erigon/blob/devel/params/config.go#L274
So, adding support for Gnosis Chain wouldn't be a hassle
Bumping this issue as well. We just began node operations on gnosis and having to run openethereum as a backup to nethermind isn't something I want to support longer than I have to. Really looking forward to getting erigon in the mix instead!
The ETA for Erigon supporting Gnosis Chain is 3 months after the Merge happens on Ethereum mainnet. See also https://forum.gnosis.io/t/erigon-gnosisdao-proposal/4105.
Implemented in PRs #4671, #5479, #5487, #5488, #5600, #5617, #5645, #5685, #5700, #5717, #5737, #5783, #5798, #5820, #5873, #5929, #5989, and #5997.