Unanswered Questions
149 questions with no upvoted or accepted answers
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
1
answer
52
views
How to use @polkadot/react-components? version issue
I have tried to use @polkadot/react-componentsin React project
Here, AddressInfo component component is from @polkadot/react-components
When I try to use this component, I got this issue
I'd really ...
CommunityBot
- 1
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
63
views
How to configure XCMP queue drop threshold?
The XCMP queue drops messages if they exceed the limit:
if (count as u32) < drop_threshold {
status[i].message_metadata.push((sent_at, format));
} else {
debug_assert!(
false,
...
- 418
5
votes
0
answers
290
views
XCM Barrier blocked execution: when transferring XC-20 between 2 local Moonbase parachains
The setup is:
polkadot-launch
1 relay chain: polkadot-0.9.18 rococo
2 parachains: moonbeam-0.24.0 moonbase-local
paraId 1000
paraId 1001
open hrmp channel via polkadot-launch
Transferring DOT ...
- 61
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
61
views
What is the core functionality (pallets) that should be part of the specification
We are working on an alternative implementation of the Polkadot protocol, but since the spec is missing a lot of details regarding the Runtime, we rely heavily on the Substrate implementation.
So we ...
- 309
4
votes
0
answers
29
views
Inclusion of Collator In Parachain Lease
I understand that allocating a collator node (or a few) to each chain w/a Parachain slot per era is overkill from a trust perspective. However, from a developer's perspective, it would reduce a ...
- 41
3
votes
0
answers
48
views
Integrating External Data into Blockchain: Can Validators Fetch and Incorporate API-sourced Data?
Is it feasible for validators to retrieve information from external APIs, particularly news data, and seamlessly incorporate it into the blockchain?
- 827
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
3
votes
0
answers
37
views
the function or associated item `offchain_worker` exists for struct
i wanna add a new pallet in substrate runtime.rs
this is the contract of the file :
#![cfg_attr(not(feature = "std"), no_std)]
/// Edit this file to define custom logic or remove it if it ...
- 847
3
votes
0
answers
44
views
How to execute/apply extra logic when xcm call delivered and deposit is succeed? or register callback?
I want to execute extra logic when xcm call deliver and deposit succeed.
I can pass extra parameters in beneficiary MultiLocation with a description what todo next.
I have a MultiLocation
...
- 847
3
votes
1
answer
82
views
How can I sign and execute transactions using custom origin(20 bytes address) in PolkadotJS
I have a pallet which ensures a particular custom origin of H160(20 bytes). Actually, this pallet is to ensure that the Origin is that of an ethereum address(20 bytes).
I am therefore writing ...
CommunityBot
- 1
3
votes
1
answer
321
views
How to implement a POC for a new consensus algorithm in substrate?
I am currently working on a substrate project that uses the PoA consensus algorithm. I would like to implement a POC for a new consensus algorithm. I have some experience with substrate but I'm new to ...
CommunityBot
- 1