Questions tagged [frontier]
Questions about the most popular Substrate EVM framework.
103
questions
2
votes
2
answers
143
views
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 ...
- 85
1
vote
1
answer
350
views
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 ...
- 369
1
vote
1
answer
393
views
no function or associated item named `set_block_number` found for struct `frame_system::Pallet` in the current scope
I have updated rust version. when i try to build the frontier template i am getting the below error:
*
error[E0599]: no function or associated item named `set_block_number` found for struct `...
- 99
3
votes
2
answers
124
views
Implementing min gas fee for pallet_evm
I have my base currency as 18 decimals like 1_000_000_000_000_000_000. I want to set my base fee to charge using 1_000_000_000_000_000_000 for each evm transaction. How can i do? currently i have done ...
- 99
1
vote
0
answers
45
views
Read Token Contract Information
I would like to read contract information(especially name, symbol, decimal, owner) from token contracts like shown here: https://moonbeam.moonscan.io/token/0x818ec0a7fe18ff94269904fced6ae3dae6d6dc0b#...
- 61
1
vote
1
answer
349
views
trait bound `H256: TypeInfo` is not satisfied; `TypeInfo` is not implemented for `H256, H160, H64, ethereum_types::U256`
Frontier(pallet-ethereum) project failed to compile after updating from polkadot-v0.9.17 to v0.9.18
Compiling polkadot-runtime v0.9.18 (https://github.com/paritytech/polkadot?branch=release-v0.9....
- 1,193
2
votes
0
answers
49
views
frontier ethereum pallet integration, the trait `fc_rpc::format::Formatter` is not implemented for `Geth` [closed]
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 ...
- 369
1
vote
2
answers
249
views
Where can I find frontier evm precompile documentation?
I'm trying to learn how to implement EVM pre-compiles in substrate (frontier), but I cannot find any documentation anywhere. If I try and reference something like moonbeam I fall into dependency hell. ...
- 35
4
votes
1
answer
171
views
Frontier-node-template compilation error on Windows
I am trying to run the frontier-node-template:https://github.com/substrate-developer-hub/frontier-node-template/
But it gives an error as shown below. I tried to change the
rustup default nightly-...
- 827
4
votes
1
answer
102
views
Existential deposit in EVM compatible address
I understand that there is an existential deposit for native token. But, there is any existential deposit for EVM compatible address H160?
- 769
3
votes
1
answer
77
views
How does 'into_account_id' function of pallet_evm works?
I'm working with pallet_evm of Frontier to support EVM, I want to map the Substrate account with the EVM account
#[pallet::storage]
pub type Mapping<T: Config> = StorageMap<_, ...
- 489
8
votes
3
answers
785
views
How to bind an Ethereum H160 address with a Substrate H256 address?
I'm trying to bind a H160 address with a H256 address, if we
assume this function:
fn bind(origin: OriginFor<T>, address: H160 , signature: [u8; 130]) -> Result<(), Error<T>>{
...
- 489
1
vote
1
answer
82
views
Can I make a frontier node only accept json-rpc read methods?
Is there a way to filter ethereum json-rpc methods to only allow read calls, not writing? ie, filter out sendTransaction, sendRawTransaction, create, etc
- 355