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I want to use unified accounts for a Substrate-based EVM chain. I've looked into the mooonbeam implementation, and they are using it with a custom module pallet-author-inherent which is used for block authoring.

Is it possible to implement unified-accounts while using AURA for block authoring?

I've also checked the difference in source codes of both pallets and it turns out that AuthorInherent implements FindAuthor<T::AccountId> while AURA uses FindAuthor<u32>. Can anybody explain the difference and guide me where should I start if I want to use AURA instead of AuthorInherent for block authoring with unified-accounts?

Thank you!

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Check Darwinia2.0. We are doing this now.

https://github.com/darwinia-network/darwinia-2.0

But for the session keys, it's still Sr25519. This is decided by AURA.

Key point: https://github.com/polkadot-js/apps/pull/8396.

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  • I get this error the trait "From<sp_core::H160>" is not implemented for "AccountId32" when I set FromH160 as AddressMapping type.
    – Discardo
    Jan 13 at 5:29
  • I don't know where did you get this. Some code or link would be helpful.
    – AurevoirXavier
    Jan 13 at 7:08
  • I'm getting this error on this line. Appreciate your help regarding this
    – Discardo
    Jan 13 at 7:21
  • github.com/Ali-Usama/EVM-Node-Template/blob/…. You are still using the AccountId32. You should change it to AccountId20 if you follow Moonbeam's solution.
    – AurevoirXavier
    Jan 13 at 8:50
  • I've updated my genesis accounts to the Darwinia style here, but on the polkadot explorer there are still accounts with H256 addresses, please check here
    – Discardo
    Jan 19 at 19:17

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