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Questions tagged [parachain-collator]

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Parachain not syncing with peers

An instance is already running a parachain collator node and is producing block. Is collating: yes [Relaychain] 🏷 Local node identity is: 12D3KooWLhkaoFSGV2JfXea1BGTEAv2R5PE4v2b1nHZMo1ZGtXDG [...
Sudip Ghimire's user avatar
5 votes
0 answers
169 views

Parachain nodes become idle

The following nodes are Subsocial parachain nodes. We use polkadot-v0.9.16 as our dependencies version. Gonna upgrade soon, but we need to solve the collators issues before. Occasionally some of the ...
F3Joule's user avatar
  • 63
4 votes
1 answer
137 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 ...
Boleng's user avatar
  • 523
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 ...
polkaperson's user avatar
4 votes
0 answers
42 views

Testing Moonbeam parachain staking

I have added Moonbeam parachain staking in our code.Can anyone please provide the full step to test it. I'm following this tutorial: https://docs.moonbeam.network/tokens/staking/stake/#staking-your-...
Vitthal agarwal's user avatar
2 votes
0 answers
17 views

Did validators reject my parachain candidate or not recieve it at all?

I'm running a local network based on rococo-local with two relay chain validators and a single collator on parachain 2000. I've set up the network according to the tutorial Part 1 relay chain and Part ...
JoshOrndorff's user avatar
  • 1,201
2 votes
0 answers
106 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 ...
Sudip Ghimire's user avatar
2 votes
1 answer
89 views

Is there any benchmarking tool for parachain collator node performance?

Like there is e.g. polkadot benchmark machine --chain kusama --verify-duration 60 for the relaychain, is there something similar for the parachains? If not maybe some custom tool for measuring ...
Curu's user avatar
  • 93
1 vote
0 answers
34 views

Collator throwing "set_validation_data inherent needs to be present in every block!" error every so often

I'm running 2 collators for a rococo parachain, and every so often they throw the following error: 2024-01-26 15:37:24 [Parachain] 1 storage transactions are left open by the runtime. Those will be ...
Sebastian's user avatar
  • 411
1 vote
0 answers
42 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 ...
Arunjot Singh's user avatar
1 vote
2 answers
62 views

Unable to connect to collator using rpc

I'm running a few collators for a parachain connected to polkadot, but after they've been running for sometime we stop being able to connect using rpc, we are using polkadot v1.3.0, does anyone know ...
Sebastian's user avatar
  • 411
1 vote
0 answers
45 views

Errors shown during runtime time uprgrade, are they normal?

I've just performed a runtime upgrade for a parachain running on rococo, and although the runtime upgrade succeeded in the end, the log seems to show that it the upgrade was run 3 times, and the first ...
Sebastian's user avatar
  • 411
1 vote
1 answer
105 views

Parachain not including all transactions from tx pool into block

Context OriginTrail Parachain Mainnet is pushing significant amount of transactions (175k/day) - with tendency of growth Collators are filling blocks up at ~25% of block weight, with a large pending ...
NZT's user avatar
  • 23
1 vote
1 answer
27 views

How many collators are selected at a time or we can say same block height to authorise a parachain block?

"I'm trying to understand the mechanics of parachain block authorization in blockchain networks like Polkadot and similar multi-chain systems. Specifically, I'd like to know: How many collators ...
the dev's user avatar
  • 477
1 vote
0 answers
60 views

Parachain stuck at authoring runtime upgrade block

Our testnet parachain is stuck exactly at the block in which the runtime upgrade is authored. It was authorized and enacted via parachainSystem as recommended. The upgrade neither includes any ...
William Freudenberger's user avatar
1 vote
0 answers
50 views

Moonbase parachain collator not producing blocks using zombienet

I am trying to run zombienet tests with 2 polkadot relay chain nodes and 1 parachain collator running the moonbeam binary. The test config is as follows: test.toml [settings] timeout = 1000 [...
Mihail Kirov's user avatar
1 vote
1 answer
83 views

production-like parachain setup and launch

I wanted to try out starting multple parachain node and not only one node-collator like in this documentation. How can I remove the force-authoring successfully and have multiple nodes that uses the ...
lucgerrits's user avatar
1 vote
1 answer
46 views

How to solve the error of 'Block invalid'

I'm facing this issue after starting parachain: Note: I have changed the consensus mechanism from aura to nimbus(moonbeam use this). Can anyone please help me to solve this issue ? Thanks in advance !...
Deepak Chaudhary's user avatar
1 vote
0 answers
154 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:...
stano's user avatar
  • 238
1 vote
0 answers
80 views

ERROR reports occur when parallelchain synchronize KSM blocks

2022-05-24 08:13:38.060 INFO main sc_service::builder: [Parachain] 📦 Highest known block at #0 2022-05-24 08:13:38.060 INFO tokio-runtime-worker substrate_prometheus_endpoint: [...
99kies's user avatar
  • 753
0 votes
1 answer
18 views

How to add new collator to a running parachain at runtime?

I have a parachain with kusama as relay chain and it is live. I am looking for the right set of steps to add new collators to the running chain in runtime. The initial chainspec does not have any info ...
Mrigesh Patni's user avatar
0 votes
0 answers
12 views

How to debug memory usage by collator?

I was wondering what would be the best way to debug the memory usage by a collator? I started a new collator for an existing polkadot parachain, it is currently syncing and sometimes the memory spikes ...
Sebastian's user avatar
  • 411
0 votes
0 answers
44 views

Parachain does not producing blocks

When I link a relay chain to the parachain using the Local chain type, it successfully generates blocks. However, upon changing the chain type to live in chain_spec.rs, block production fails, and an ...
Arunjot Singh's user avatar
0 votes
0 answers
25 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 ...
Nitesh B.'s user avatar
  • 101
0 votes
0 answers
90 views

revert option is not working

We are facing a returning "Too many sibling blocks inserted" error then all 4 collator nodes would stop block production. I did some research into the issue and one of the possible solution ...
Zoltan75's user avatar