Unanswered Questions
40 questions with no upvoted or accepted answers
5
votes
0
answers
49
views
Adhering to size limit of a block
We do track weight during block creation/block import, but weight only cares about execution time and with 2D weights also about storage proof size.
We do keep track of size in propose here but only ...
- 295
3
votes
0
answers
25
views
Difficulty Storing Consensus-Derived Value in Storage: Observing Value in Pallet Log but Not in Storage
I'm trying to store a value obtained from the consensus, specifically sc_consensus_babe::fn import_block. While I can observe the value in the pallet through the log, it doesn't seem to be stored in ...
- 2,100
3
votes
0
answers
43
views
How to assign some number to the miners in POW substrate chain?
I'm working with POW substrate chain and I want to assign some number to the miners according to the work they have done earlier. Is it possible? If yes can we fetch those numbers during the block ...
- 2,100
3
votes
0
answers
38
views
Are justifications of finalized block canonical?
Justifications are external to the signed part of the Substrate block, meaning they change after block is produced initially.
However, I'm wondering if there is any assumption in Substrate (or ...
- 551
3
votes
0
answers
86
views
Difference between "ink_primitives::AccountId" and just default "AccountId" type
I try to solve Rust's error that I included below:
= note: expected struct `Mapping<ink::ink_primitives::AccountId, u128>`
found reference `&Mapping<ink::ink_primitives::...
- 769
3
votes
0
answers
96
views
Switching from Aura to Babe - 'Current state of blockchain has invalid authorities set'
I'm attempting to switch a node from using Aura to Babe by copying the usage of Babe in some public chains.
However when I run multiple nodes together I get the error:
Unable to fetch auxiliary data ...
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
3
votes
0
answers
85
views
Validator node dropping peers after producing a block followed by a reorg
We are seeing some strange behaviour with some (not all) of our validator nodes. We are using the standard BABE / GRANDPA pallets.
When it is their turn to produce a block, they produce the block, but ...
- 131
2
votes
0
answers
34
views
How to convert AccountId from [hexadecimal, SS58Check]?[Updated]
I have two 2 storage in the pallet :
#[pallet::storage]
#[pallet::getter(fn subscriber)]
pub type Subscriber<T:Config> = StorageValue<_, BoundedVec<T::AccountId, T::...
- 2,100
2
votes
0
answers
46
views
Proof-of-Work Substrate Chain with Multiple Validators
I'm working on a Proof-of-Work (POW) substrate chain. Assuming we have four validators, all of which have enabled on-chain workers (OCW), is it accurate to state that each validator's OCW fetches data ...
- 2,100
2
votes
0
answers
47
views
hybrid consensus
I try to implement the hybrid consensus from the substrate recipes book but it keeps failing. I tried to use the sha3 algorithm for PoW but I keep getting this error:
"the trait PowAlgorithm<...
- 21
2
votes
0
answers
86
views
Switching from `Aura` to `Babe` consensus causes error "Incomplete block import pipeline" on genesis block
I am trying to switch from Aura to Babe consensus. After successful building and node start I am getting an error "Block import error: Incomplete block import pipeline.". This happens with ...
2
votes
0
answers
51
views
PoW custom consensus with remote calls
I'm trying to implement a new consensus in Substrate.
The consensus is similar to PoW but requires querying other nodes to generate the work/proof. Would implementing the PowAlgorithm trait and ...
- 21
2
votes
0
answers
41
views
How do pallet and consensus model/algorithm/infrastructure work together?
Hi guys I am new to blockchain and susbtrate, so these questions would be stupid to you...But I really need some help here...
How does substrate ensure anything has been done inside the pallet will ...
- 8,455
2
votes
0
answers
31
views
Produce blocks only if there are incoming transactions
Is there a way to produce blocks only if there are incoming transactions. Thus not producing empty blocks?
Do we need to build a palette for that or what exactly?
- 171