Questions tagged [collator]

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Onboarding new collator to live network

I have set up a PoA parachain network with predefined 2 authorities which are assigned to the two collators joining the network. So far I've figured out how to manually update the chain-spec ...
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1 vote
1 answer
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Collator reward and inflation

What would be the recommended approach to introduce inflation for block production/collator reward? Is NegativeImbalance a good place for this, or implementing a separate pallet that schedules ...
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Parachain blocks stopped finalizing after adding another collator

I had setup the relay chain and parachain (collator-1) in a local testnet enviornment on different servers and blocks was finalizing for both. But after 1 month I tried adding another collator(...
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3 votes
1 answer
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Relation between Collator and staking?

Can anyone please explain what is the relation between collator and staking rewards ?
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1 vote
1 answer
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Staking rewards for collator services

How to add Staking rewards for collator services for Node operators ?
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3 answers
36 views

Zombienet: test fails after changing parachain id

Originally I had this network definition file: [relaychain] default_image = "docker.io/paritypr/polkadot-debug:master" default_command = "polkadot" default_args = [ "-...
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How many collators need to be set on the parachain?

Background our parachain has won the slot and will launch in the future. So, we firstly face the question of how many collators should be setup in our parachain. Here are some of my questions: ...
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  • 183
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1 answer
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About collator staking pallet

i'm reading collator-selection pallet. i notice that when distribute the reward to the collator, the reward is the half of pallet account. why does it not distribute all the balance of pallet account? ...
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  • 183
2 votes
1 answer
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Run parachain as local regular chain

Working on a parachain, the executable that is build is a collator node. It will run both the parachain and the relay-chain nodes. For pallet development (pure product, unrelated to the chain being a ...
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1 vote
1 answer
39 views

Collator panicked at 'Storage root must match that calculated.'

We have a few collators for the Kintsugi parachain actively syncing and producing blocks when they suddenly fall-over due to the following error: Apr 02 21:06:00 ubuntu-s-2vcpu-4gb-amd-fra1-01 ...
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7 votes
1 answer
42 views

How does a collator or validator choose their signing key?

If I were to insert multiple (valid) author keys over RPC, how does a collator or validator choose which key to sign with when producing a block? As far as I know this cannot be set on start-up.
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4 votes
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Why are parachain candidate blocks from only one collator being backed and added on-chain at a time when there are multiple collators?

Environment: Test machine: 1x mac-m1-pro local Relay chain (rococo-local): 2x relay chain nodes Parachains: 2x collators (Alice and Bob) Parachain consensus: aura I started the network locally and ...
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  • 531
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Collator can't connect to parachain network upon wasm panic

upon an extrinsic call one of our collators stopped to produce blocks and here's the error log snippet: 2022-03-21 14:48:50 [Parachain] panicked at 'Transaction will be valid in the future', /cargo-...
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  • 121
3 votes
2 answers
49 views

Is it ok to combine RPC node with collator together?

For a parachain is it ok to have RPC and collator in one node? If not why? I'd love to hear some deeper explanation.
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  • 33
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1 answer
37 views

How many collators of a registered parachain must be synchronised with the Rococo relay chain for that parachain to generate and finalize blocks?

I want to determine the minimum amount of collators that a specific parachain that is registered on the Rococo network must have running in order for them to generate and finalize blocks once they ...
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7 votes
2 answers
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What is the difference between full nodes, authoring nodes, and/or collator nodes

What is the difference between the different types of nodes?
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