Questions tagged [block-production]
The block-production tag has no usage guidance.
16
questions with no upvoted or accepted answers
6
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0
answers
54
views
No block produced/validated on parachain for almost a day
We upgraded our testnet Shibuya yesterday, for which we have our own validator network, and block production stalled for almost a whole day. The block on which it was stuck was the one where the ...
- 562
4
votes
0
answers
68
views
How does primary slots and secondary vrf slots work?
I am struggling to understand some behaviour on a custom 7 validators solochain.
Currently using babe with a 1/4 primary slots probability, the block time is 20 sec, and we have ...
- 189
3
votes
0
answers
36
views
How to add custom process without exceeding the block time?
The question can seem weird but here is the geist of it :
In a custom chain with 20 sec block time, we have a different format of header that includes more information. At the end of the block, we ...
- 189
3
votes
0
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97
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Proposals not getting processed, Consensus Issues on Rococo
Context:
A parachain in Rococo is missing more block slots than I would expect it to at fairly random times.
Version: Polkadot v0.9.42
Number of Collators: 3
Logging:
(Perhaps I am missing the correct ...
- 433
3
votes
0
answers
66
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
44
views
How to solve Failed to get runtime version issue?
I recently upgraded the chain from version 0.9.36 to 1.0.0. Following this update, when attempting to perform a runtime upgrade on the blockchain, I encountered an error that resulted in the chain no ...
- 775
2
votes
0
answers
29
views
No new blocks with dockerized local RPC node
I want to run the substrate node locally(with docker) to use it as an RPC provider(via ws). I want to use "author.pendingExtrinsics" method as well as "chain.subscribeNewHeads" and ...
2
votes
0
answers
89
views
Collator not producing block
Changes made
In previous version things were fine. In this change, I added pallet-staking in the collator.
Here Staking is pallet_staking::{Pallet,...}
Configured pallet_staking with reference ( but ...
- 686
2
votes
0
answers
44
views
Rococo Status & Issues
lately Rococo has been producing blocks very slowly.
Not sure if this is the best place to ask, but where can we find more information about this? Or where to ask about this if this isn't the correct ...
- 562
1
vote
0
answers
20
views
No Block production with multiple nodes / AURA
I have a solo-chain with PoA consensus, MILLISECS_PER_BLOCK of 1000, 5MB of MAX_BLOCK_SIZE, and 400ms of MAXIMUM_BLOCK_WEIGHT. The chain produces and finalizes blocks when there's a single authoring ...
- 382
1
vote
0
answers
42
views
Recovering a Bricked (no block production) Parachain on Rococo, Kusama, & Polkadot
Introduction
In the Substrate ecosystem, a bricked parachain – one that has halted block production – presents a unique set of challenges. This situation can occur in various environments, notably on ...
- 101
1
vote
0
answers
45
views
how to solve Networking or low-level protocol error?
I am running solochain so randomly my chain stop producing blocks and giving this error.
Every time when chain giving this error i need to stop and re-run the node.
substrate version using: v1.0.0
Can ...
- 1,896
0
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0
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71
views
Rococo testnet Parachain is not Producing Blocks?
I'm trying to connect to rococo testnet as a parachain using own customized parachain !
It works locally and produces blocks when connected to local Relay chain
But when connected to Rococo it doesn't ...
0
votes
0
answers
20
views
Collator starts after more than 10 hours on Azure cloud
I am migrating from AWS to Azure Cloud. I have two parachain collators running. One on AWS (yet to migrate) and another on Azure Cloud (migrated).
Whenever I restart the service on AWS, it hardly ...
- 101
0
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0
answers
28
views
Our on_initialize function takes approximately 5 seconds, this breaks the parachain eventually
We need to run an on-initialize function that runs for 5 to 6 seconds. The error we run into when we do this is "Block production took too long".
We have tried to increase the ...
- 127
0
votes
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125
views
Node Does not Produce Blocks
I've been trying to implement a PoW consensus for my node. It was based on node template, the recipe and Kulupu's implementation of PoW. So I did quite a lot of changes to the node template and thus I'...
- 474