Unanswered Questions
21 questions with no 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 ...
- 857
6
votes
0
answers
235
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
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 ...
- 857
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
...
- 857
2
votes
0
answers
51
views
Parachain doesn't produce blocks(collation wasn't advertised to any validator)
I'm currently engaged with the Polkadot relay chain version 1.1.0, and I've encountered an issue in the parachain where block production is not occurring. My configuration involves two validators in ...
- 857
2
votes
0
answers
48
views
fill assetId in local substrate into dex pallet
I'm trying to create a decentralized exchange (dEX) in Substrate and I have a function called create_exchange that has two parameters: asset_id and liquidity_token_id. I'm having trouble filling the ...
- 1,275
1
vote
0
answers
55
views
Why Balance is not deducted from source- signer in parity-bridges-common?
I was working on parity-common-bridges and was transferring balance from millau chain to rialto chain account using this script.
RUST_LOG=runtime=trace,bin-substrate=trace,bridge=trace \
./target/...
- 5,767
1
vote
0
answers
45
views
Compiling cumulus v0.9.36 with --no-default-features
When attempting to compile cumulus on branch polkadot-v0.9.36 while disabling standard features, this error occurs:
nologik@nologik-laptop dkg-substrate % cargo check --workspace --no-default-features
...
- 151
1
vote
0
answers
157
views
purge-chain for local testnets requires rococo-native feature enabled
I completed the Connect a local parachain tutorial and during cleanup purge-chain for the collator node failed:
% ./target/release/parachain-collator purge-chain --base-path /tmp/parachain/alice
Error:...
- 238
0
votes
0
answers
24
views
Zero-knowledge Cross-Chain
I have an idea about integrating ZKP (Zero-Knowledge Proof) into XCM communication. Currently, when performing cross-chain operations between two parachains, we need to go through a relay and open an ...
- 1
0
votes
0
answers
15
views
substrate chain's blocks are getting mined very slow all of a sudden
Earlier the blocks were getting mined with an average of 6 seconds. Now the average time to mine a new block since a day is 9 minutes. All the validator nodes are active.They're running their nodes on ...
0
votes
0
answers
9
views
How are boot nodes fetched for system chains / parathreads?
The Polkadot JS API api.rpc.syncstate.genSyncSpec, that fetches boot nodes for the relay chains, is not an available function for system chains.
What is the process of gathering boot nodes for system /...
- 191
0
votes
0
answers
21
views
Error while configuring pallet_ethereum in substrate parachain template
I am trying to configure pallet_ethereum with my substrate parachain.
I am following along this tutorial:
https://www.youtube.com/watch?v=V9KfvhoqLJ4
I implemented following commits as per ...
- 11.2k
0
votes
0
answers
16
views
Unable to build substrate-parachain-template?
As i was building substrate-parachain-template on tag polkadot-v1.0.0, I encountered the following error
Can anyone guide me through this.
- 317
0
votes
0
answers
48
views
Mitigating Single Point of Failure in a Distributed Blockchain Network Setup(Substrate & Polkadot)
We have deployed a blockchain network using five cloud machines distributed across various geographical locations, with each machine running a specific node type crucial for the network’s ...
