Questions tagged [ethereum]

Users asking questions related to the Ethereum network.

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using ethereum accounts for BABE and Grandpa

I have applied the Moonbeam style unified account to match my substrate accounts with the evm. But I still couldn't figure it out how to use those accounts as my session keys for BABE and Grandpa. Is ...
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Ethereum chain as a Substrate chain

Is it technically possible to upgrade Ethereum to be Substrate compatible blockchain? I understand there is likely to be strong resistance toward such idea in ETH community but I am interested only ...
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the trait `WrapperTypeEncode` is not implemented for `ethereum_types::H256` & `ethereum_types::U256`

I am using: ethereum-type version = "0.12", codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"]} scale-...
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Enabling the std feature on environmental crate

I'm trying to use the environmental crate (link: https://docs.rs/environmental/1.1.3/src/environmental/lib.rs.html#64) to work with EVM and ethereum transactions. But it seems like adding either ...
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2 votes
1 answer
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convert ethereum public key to substrate public key

given a known ethereum public key, is it possible to determine a substrate public key for the same account (for the purpose of an airdrop)? i believe that substrate keys are interchangeable across ...
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3 votes
1 answer
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How to convert a Substrate address to an Etherum address? [duplicate]

How can I convert a Substrate address to an Etherum address? There is an EVM to substrate address conversion that Edgeware provides: https://edgewa.re/keygen
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How do ECDSA subkeys differ from Bitcoin/Ethereum keys?

As far as I understand, besides the ed25519 and sr25519 signatures, there is a compatibility mode for ECDSA keypairs that should use the secp256k1 curve. Both Bitcoin and Ethereum use the secp256k1 ...
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frontier ethereum pallet integration, the trait `fc_rpc::format::Formatter` is not implemented for `Geth`

I'm trying to copy a function from the frontier pallet(fc_rpc::format::Formatter), I copied it to a file and imported that. frontier-752fb1c28a6c675a/ea37e8f/client/rpc/src/format.rs It's the same ...
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What are precompiled in moonbeam and relevant EVM enabled chains? [closed]

What are precompiled in moonbeam and relevant EVM-enabled chains? and why we should use it if we are going to create EVM enabled chain?
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Process ethereum transactions in an offchain worker

I need to process Ethereum transactions in a substrate offchain worker. I already include EVM and Ethereum pallets, but I also need to do some communications with runtime code running as solidity ...
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