Unanswered Questions
153 questions with no upvoted or accepted answers
7
votes
0
answers
195
views
How to generate a Moonbeam Unified Account using Subkey?
In the Moonbeam Unified documentation here, it says that Moonbeam natively supports "Ethereum-style address (H160 format), which is 40+2 hex-characters long, in a Substrate based chain" and ...
- 2,376
6
votes
0
answers
215
views
Subxt call to custom pallet method returning `wasm 'unreachable'` - (`TaggedTransactionQueue_validate_transaction`)
So I am trying to submit extrinsics to a running parachain node using subxt, but encounter a Codec error.
The parachain is based on the substrate-parachain-template, the relay chain is compiled ...
- 847
6
votes
0
answers
234
views
How to use the default Substrate CLI rpc-cors values without using rpc-cors=all for a Collator node and connect from Polkadot.js Apps
I want to be able to connect a collator node using https://polkadot.js.org/apps that is based on the substrate-parachain-template using branch 'polkadot-v0.9.18' and is being run as a parachain in ...
- 2,376
5
votes
0
answers
155
views
Genesis Sync and History: Are Archive Nodes Indispensable?
I've been exploring the intricacies of node types in Polkadot and other Substrate-based networks and came across a scenario that has left me curious. I understand that full nodes and archive nodes ...
- 501
5
votes
0
answers
62
views
Is there any good way to keep an intermediate state for an operation between several transactions/blocks in a BABE/GRANDPA-based chain?
I know that the best practices suggest designing transactions (pallet calls) in a way that executes the operation atomically and doesn't keep any intermediate states. This guarantees, that in case a ...
- 317
5
votes
0
answers
98
views
I want to use Parity SCALE codec in Solidity? Is there any implementation of scale codec to decode bytes?
I want to decode bytes on the Solidity side that was decoded with scale codec.
Is the any implementation of scale codec (decode) on the Solidity side?
- 2,376
5
votes
0
answers
38
views
eip-681 equivalent for Polkadot to generate qrcodes
I'm developing an app and there I have the possibility to generate qrcodes to ask for payments in multiple blockchains using multiple tokens. For EVM blockchains I do have the eip681 to guide me (...
- 847
5
votes
0
answers
62
views
How to use sp_tracing?
When I walk through the sp_tracing documents, it's an overview and does not show us how to use it
I have some questions about sp_tracing:
How to use it? What command that we run it? (Debug Mode?)
...
- 750
5
votes
0
answers
94
views
fp_evm::GenesisAccount causes StakingElection.fail
As the title says, I have added EVM Compatibility to my NPoS runtime(using chainsafe/substrate-node-template), and when i run my node with Alice and Bob validators, the StakingElection begins to fail.
...
- 374
4
votes
1
answer
146
views
Parathread not producing block on Rococo registered using CoreTime
I am trying to list a parathread on Rococo using core time. I have followed all instructions mentioned here. I followed below steps:
I registered a ParaId and onboarded Parathread as usual but didn't ...
CommunityBot
- 1
4
votes
0
answers
38
views
How to use a custom syncing logic?
I want to create a node with a different syncing logic than SyncingEngine (I have my own struct that implements the same API as SyncingEngine). To be clear, I want to use the substrate NetworkService
...
- 847
4
votes
0
answers
171
views
EVM compatible chains and Substrate Bridges
I am looking for a bridging solution between EVM compatible chains and a substrate-based solo chain (i.e. not a parachain).
The bridges is purely for cross chain asset transfer.
I am aware of the ...
- 847
3
votes
0
answers
52
views
Explorer compatibility with blockchain node version v1.0.0
The issue I ran in is finding an explorer version, which is compatible with substrate version v1.0.0.
I found that version of explorer below v0.133.1 (https://github.com/polkadot-js/apps/releases/tag/...
- 151
3
votes
1
answer
49
views
How to add vector fields in the block header?
I want to add a vector fields in the block header of substrate chain. Is this possible?
If yes, How can i do that? Do we have any reference code for it?
Thanks in advance
CommunityBot
- 1
3
votes
1
answer
80
views
How to add custom account as initial authorities in chain_spec.rs file
I've successfully added custom accounts in the Sudo account and pre-funded accounts following this stack adding an account but I also wanted to set custom accounts as initial PoA authorities.
Thank ...
CommunityBot
- 1