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Unanswered Questions

27 questions with no upvoted or accepted answers
0 votes
0 answers
10 views

Why does pallet-babe have a `MaxNominators` configuration?

Going through the pallet again for a project and I can see that it has a config item for MaxNominators which unsurprisingly has the following description: The maximum number of nominators for each ...
0 votes
0 answers
10 views

How can implement less frequent empty block and instant confirmation for transactions by modifying babe consensus?

async fn propose_with( self, inherent_data: InherentData, inherent_digests: Digest, deadline: time::Instant, block_size_limit: Option<usize>, ) -> ...
1 vote
0 answers
35 views

Why does a block in Substrate-based blockchain have no author and no reward points?

We encountered an issue in our Substrate-based blockchain network where a block has no author and no reward points were given to any validator. This block was finalised. The block was an era-...
0 votes
0 answers
19 views

What can Substrate and Polkadot do for me?

What is the best and quickest way, for a layman, who has very little, to no experience, at all, in coding and/or developing, to play catch-up, so that he/she might be brought-up-to-speed, enough to ...
0 votes
0 answers
17 views

What is the expected time from sending a extrinsic to a block it's in being finalised?

Can we predict an average time derived from consensus, async backing and what other factors can impact this time? Thanks
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 ...
0 votes
0 answers
62 views

How to convert `AccountId` to `AuthorityId`

699 | acc_vec.push((account_id, userInfo.weight.saturated_into::<u64>())); | ^^^^^^^^^^ expected `Public`, found associated type | ...
1 vote
0 answers
28 views

How to Fetch data at the time of block production?

Can I implement a pallet which holds the node information and at the block production time we can use this node information?
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 ...
0 votes
1 answer
54 views

BABE halts at block 100

2023-12-26 11:46:18.019 WARN tokio-runtime-worker babe: Error with block built on 0x54a0fbd3703e9d3311c3f51913714b84fc7b09b143251fcaf826dcdc6cf1e388: Import failed: Expected epoch change to happen at ...
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 ...
0 votes
0 answers
25 views

"Troubleshooting Block Production Issue After Switching to ECDSA Signature Scheme in Substrate-based Blockchain"

I've transitioned the signature scheme to ECDSA on a Substrate-based chain, following Moonbeam's approach. However, it's worth noting that Moonbeam utilizes Aura for block production, whereas ...
1 vote
0 answers
37 views

Replace GRANDPA finanlity

Hello can someone please help me understand all steps and all functions needed to be implemented for replacing finality gadget in experimental substrate chain?
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<...
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 ...

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