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Questions tagged [beacon-nodes]

Questions about Ethereum 2.0 clients, beacon nodes.

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Unable to match aggregation_bits with committee validators

I need to list the validators who have attested to a specific slot, to do so I'm interacting with an API exposed by a beacon node. The first step I do is to call /eth/v1/beacon/states/15687030/...
Nicolas Dominguez's user avatar
0 votes
1 answer
53 views

Error loading checkpoint state from remote: InvalidSsz(OffsetSkipsVariableBytes(584))

When I start the beacon node, the error as shown in the picture appears. What is the error?
muxi's user avatar
  • 1
0 votes
0 answers
27 views

Lodestar Becon Layer Error

I am trying to set up a beacon client for my private network, I got this error, Error: First offset must equal to fixedEnd 2736633 != 2736653. What does this mean? The config.yaml file for the beacon ...
Vidhan Mangla's user avatar
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0 answers
126 views

beacon-chain-1 level=error msg="Beacon node is not respecting the follow distance" prefix=execution

I am trying to set up and Eth V2 PoS blockchain However i keep on failing and have in the logs the info : beacon-chain-1 | time="2024-02-20 09:56:54" level=error msg="Beacon node is ...
Bruno's user avatar
  • 31
0 votes
1 answer
122 views

Sync committee submission period

Suppose a validator has a sync committee duty for slot X. Is he supposed to send his SyncCommitteeMessage exclusively in slot X? Or may he send during the epoch (similarly to the attestation duty)? ...
Matheus Franco's user avatar
3 votes
1 answer
825 views

How do I expose and beacon chain API securely over HTTP and test my API works?

Ethereum beacon chain nodes (Lighthouse, Prysm, others) provide Beacon Chain API in the port 5052. How does one securely expose this API over Internet?
Mikko Ohtamaa's user avatar
3 votes
1 answer
668 views

Are transactions duplicated in both beacon chain and execution layer?

What exactly is the content of blocks on the beacon chain? partially answers the question but still not complete to me. I understand that since the merge, execution layer info are in beacon chain. ...
Makubu's user avatar
  • 65
6 votes
2 answers
2k views

How to find if a block is finalized

Is there a simple way to find out if a given block is finalized in PoS Ethereum? Currently, I'm calling the endpoint ../eth/v1/beacon/states/finalized/finality_checkpoints of the Beacon Node and it ...
Majd TL's user avatar
  • 3,237
1 vote
1 answer
486 views

MEV-BOOST: Cannot connect to Builder

I am trying to experiment with mev-boost on goerli testnet but I am getting connection error in my beacon node log. MEV boost command: sudo docker run flashbots/mev-boost -goerli -relay-check -relays=...
Lucy's user avatar
  • 11
8 votes
1 answer
14k views

Post-merge network, but no beacon client seen. Please launch one to follow the chain!

Ethereum GOerli Network Sync stopped block number 7382822. And one warning come (Post-merge network, but no beacon client seen. Please launch one to follow the chain! ) how to start sync in goerli ...
System Admin's user avatar
3 votes
1 answer
210 views

What is Committe Index in Ethereum Beacon Chain?

The Ethereum beacon chain has a concept of committee index, and I do not understand it. What exactly is the committee index? Why was it needed? How many committee index are there per slot? One or many?...
Finlay Weber's user avatar
2 votes
1 answer
634 views

Withdrawal activation through a hard fork and the role of the Eth2 Deposit Contract post-Merge

As we all know, the withdrawals for Beacon Chain validators will only become available in a later hard fork post-Merge. Can anyone please explain in a little bit more detail or point me to an EIP or ...
lts.crypto's user avatar
1 vote
1 answer
86 views

Will Beacon node end up supporting smart contracts?

I am aware that part of the PoS migration is the Phase 2, which will introduce the Smart Contract Execution. What is not clear though is if beacon nodes would be expanded to support smart contract ...
Finlay Weber's user avatar
1 vote
1 answer
79 views

Is the recent beacon block the state of the beacon chain?

I am reading this The Beacon Chain Ethereum 2.0 explainer you need to read first where it states: The contents of the Beacon Chain is primarily a registry of validator addresses, the state of each ...
Finlay Weber's user avatar
1 vote
0 answers
54 views

What is the rationale behind the content of a beacon chain's block?

In this question where I asked What exactly is the content of blocks on the beacon chain? I got pointed to the data structure representing the content of the beacon chain, which is: class ...
Finlay Weber's user avatar
1 vote
1 answer
966 views

What exactly is the content of blocks on the beacon chain?

I am trying to wrap my head around how the POS ethereum will work and have so many questions. First one is basically about the beacon chain. What exactly would the blocks in the beacon chain contain? ...
Finlay Weber's user avatar
3 votes
1 answer
550 views

How large network traffic is expected for Ethereum 2.0 Staking node?

Would be interested what can be rough estimated network costs of running full staking client. For staking it's currently required to run: Eth1 node (Not counting initial sync which require initial ...
Jurosh's user avatar
  • 195
3 votes
2 answers
736 views

How to run slasher slashing detectors in Ethereum 2.0?

"A validator client will likely store tens or hundreds of MB of historical votes to prevent slashings." (Source) Do beacon nodes or validator clients automatically run slashing detectors? If ...
eth's user avatar
  • 85.9k
3 votes
1 answer
116 views

What is the tech stack behind the Teku client?

What are Teku's major components? What databases did it consider and decide on? Are there architectural elements and market goals that are particularly differentiated from how other beacon chain ...
eth's user avatar
  • 85.9k
4 votes
1 answer
385 views

What is the tech stack behind the Prysm client?

What are Prysm's major components? What databases did Prysm consider and decide on? Are there elements in Prysm's architecture that are particularly differentiated from the other beacon chain ...
eth's user avatar
  • 85.9k
2 votes
1 answer
186 views

What is the tech stack behind the Lighthouse client?

What are Lighthouse's major components? What databases did it consider and decide on? Are there elements in its architecture that are particularly differentiated from how other beacon chain clients ...
eth's user avatar
  • 85.9k
13 votes
2 answers
2k views

Will Eth 2.0 be implemented in geth (go-ethereum) or will it run on a new client?

Geth is the official implementation of Ethereum based on the coding language Go. Currently, there are 8 teams that are building Eth 2.0 https://www.coindesk.com/next-gen-buidlers-the-8-teams-working-...
Ethereunoob's user avatar