Questions tagged [nodes]
Related to running or maintaining a node (aka client) on a network.
23 questions with no upvoted or accepted answers
3
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How I use Database Snapshot Services correct
I want use Database Snapshot Services, because making genesis to last block takes too much time.... so I used POLKACHU site, the code is.
" curl -o - -L https://snapshots.polkachu.com/snapshots/...
- 61
3
votes
0
answers
32
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How to migrate / backup & restore ink smart contract storage?
Is there a way to backup ink smart contract storage and later restore on another chain? Lets say we have chain with 3 validators and deployed smart contract containing certain information in its ...
- 83
3
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0
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95
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Block import error: Backend error: Can't canonicalize missing block number #{BLOCK_NUMBER} when importing {BLOCK_HASH}
I'm trying syncing a new Khala node (based on polkadot-v0.9.30 branch) from 0,
few hours later, I can see the output like this:
2022-11-01 07:08:54 [Parachain] Block import error: Backend error: Can't ...
- 31
3
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0
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77
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What should the cors origin be for localhost?
Blocked connection to WebSockets server from untrusted origin: Some("file://")
I can't figure out what I should use as an argument for rpc-cors to make this websocket connection. I've ...
- 3,832
2
votes
0
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23
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How to calculate the node work?
I'm working on POW substrate chain, I need to calculate the workdone by each node[how much a node contribute to the chain].
Is there any way to calculate this?
- 2,100
2
votes
1
answer
96
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Do Polkadot Nodes Not Maintain the Complete Chain History?
I'm using Polkadot version 1.3.0-7c9fd83805c. When syncing a node with the command:
➜ ~ polkadot --tmp
I've encountered an error preventing me from retrieving the genesis block:
-32000: Client error:...
- 501
2
votes
0
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36
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What is the rationale behind the node architecture (Runtime + Host)
Is the separation of the Runtime business logic from the host intended solely for enabling forkless upgrades, or does it also aim to facilitate compatibility with different hosts?
- 309
2
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41
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wasm compilation for later rust versions
I am running a parachain on Ubuntu 22.04 jammy. where i am using polkadot 9.43. I see that in release notes it is said that nightly-2023-05-22 was tested for this substrate version https://github.com/...
- 165
1
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10
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why finalization of chain stops after adding more than 1 validator on single node?
i have my substrate blockchain running with 3 validator setup .when i add more than 1 validator on single node and i.e sometimes even 3 or 4 the finalization of my chain stops .
what is the reason ...
- 373
1
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0
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33
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Is it possible to run a node with only build file and boot node of the chain?
If i have build file(i.e target file) and boot node of the substrate chain.
Can I join the network by running my validator node?
Note: Our goal is to minimise the effort required for users who wish to ...
- 2,100
1
vote
1
answer
135
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Change session keys in new chain spec
Chain spec primary_chain is defined under node/src/chain_spec.rs
Steps to reproduce:
generate default chain spec for primary_chain
./collator build-spec --chain primary_chain > spec.json
Edit ...
- 686
1
vote
0
answers
64
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What's the meaning of "low connectivity, authority lookup failed for too many validators"?
My validator node shows the issue "low connectivity, authority lookup failed for too many validators", what does this mean? And is it dangerous for the safety of the chain?
- 43
1
vote
1
answer
77
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kusama upload/download bandwidth speed so low
I'm running a Kusama node with a actual network speed ranging from over 100MB/s to 500MB/s on both sides.
However, I'm facing issues with slow block propagation time and low upload/download bandwidth ...
- 61
1
vote
1
answer
71
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Rejected connection: Transport(handshake was not a GET request)
When I start my node in the M2, it is continuously showing this error
.
- 857
0
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3
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What should `public-addr` be beyond the public ip/dns?
I think I am missing something about how Substrate is interacting with libp2p.
Base question: When setting the public-addr parameter for a parachain and internal relay chain node, I have found that ...
- 433
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16
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Nodes Not Peering Despite Proper Setup
We launched a public network and have over 40 validators. But now, nodes that I’m personally remote accessing aren’t syncing or producing blocks. Here is a picture:
I performed the same actions each ...
0
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10
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same extrinsic hash but different transaction and transaction broadcast issue
Is it possible for different transactions to have the same txid? My address on Polkadot is
https://polkadot.subscan.io/account/16iAvH56VJWsZDU2cRZUPY9RPRcf5pvmB93PfpJ6fDx5Wvdq?tab=transfer
. Among ...
- 11
0
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60
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Bittensor Subtensor Chain
Does anyone know how to run a public subtensor node and synchronize with Bittensor network on nakamoto instead of the current finney ? There are some nodes currently running on nakamoto chain.
I am ...
0
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17
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unable to discover and connect the peer to the --chain contracts-rococo-local
I'm trying to have my node discover and connect to the blockchain terminal so that the peer count will update from 0 peers to 1 peers. However, I keep getting this message:
2024-03-15 18:38:36.394 ...
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13
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Connecting a libp2p node to the Substrate Parachain Network
Goal
Add a libp2p node to the Substrate parachain network to have Idle 0 peers to 1 peer.
Method
I'm using mdns as the discovery mechanism.
Libp2p Config:
const options = {
peerId: peerId,
addresses:...
0
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answers
25
views
I'm trying to connect my node to the parachain that im logging in with on my express backend
My goal is to be able to see the discover, incoming connection, and accepting connection in the parachain network, which I'm guessing should update the Idle 0 Peers to 1 Peer.
I'm still currently ...
0
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34
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when running a validating nodes, firewall setting is essential?
when running a nodes, firewall is essential?
i used this command sudo ufw allow 3033/tpc but it`s result is "ERROR: Bad port"
what`s the problem? can i just done "sudo ufw enable" ...
- 61
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34
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Node is loosing peers, it there a way to force lock a connection
One of our nodes is struggling to keep its peers and often gets disconnected from the other nodes. This node is in our set of bootnodes.
Is there a way to flag the peers connection between (boot)nodes ...
- 1,275