Questions tagged [frontier]
Questions about the most popular Substrate EVM framework.
69
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64
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eth_getLogs is returning empty array on Astar
With recent updates in frontier eth_getLogs is returning empty array
curl -X POST --data '{"id": 1, "jsonrpc":"2.0","method": "eth_getLogs","...
- 296
1
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0
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37
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Failed to resolve dependencies with pallet-staking in frontier
i am trying to implement n-POS in my frontier and i had to use pallet-staking for that. but when i try to use this dependency in my cargo.TOML file it start giving me error related to frame-...
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0
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34
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Frontier node template fails to build
I've just checked out the latest frontier version from master branch (28c4bce). When I'm trying to run ./node-template-release.sh I'm getting the following error. How to fix this?
Compiling pallet-...
- 1,023
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2
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53
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Pallet declares internal migrations (which *might* execute). On-chain `StorageVersion(0)` vs current storage version `StorageVersion(0)`
After a runtime upgrade on Frontier, these warnings are logged:
In this case, the pallets are related to Frontier only, but that seems possible for any FRAME pallets.
Does anything need to be done ...
- 185
1
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1
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45
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unresolved import sc_rpc::Metadata
i try to import fc-rpc on fronter.
but got some error message
Compiling fc-rpc v2.0.0-dev (https://github.com/paritytech/frontier.git#9d4ccba8)
error[E0432]: unresolved import `sc_rpc::Metadata`
--&...
- 111
1
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2
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106
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How do I know if I will need a storage migration along a forkless upgrade?
I have a blockchain running a version of Frontier from september 2021, and want to upgrade it to the latest commits.
I'm prepared to do a forkless upgrade, but who do I know if I will need storage ...
- 185
2
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2
answers
91
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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 ...
- 121
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1
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149
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 ...
- 171
1
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1
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174
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 `...
- 87
3
votes
2
answers
97
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 ...
- 87
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38
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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
272
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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....
- 1,033
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39
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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 ...
- 171
1
vote
2
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132
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
113
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-...
- 497
3
votes
1
answer
62
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?
- 325
1
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1
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44
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<_, ...
- 427
8
votes
2
answers
428
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>>{
...
- 427
1
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1
answer
59
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
- 185