Questions tagged [nodes]
Related to running or maintaining a node (aka client) on a network.
64
questions
2
votes
1
answer
51
views
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:...
- 499
2
votes
0
answers
29
views
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
votes
1
answer
33
views
How to join substrate as infrastructure provider
I wanted to know the complete process of joining polkadot builders as infrastructure provider but could not get a proper guide explaining that. Can someone please tell the process and what happens in ...
2
votes
0
answers
27
views
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
2
votes
1
answer
52
views
How to create different accounts in Substrate?
I would like to build a blockchain with Substrate where people can trade with products. They can log in in web, where they can see only their balances and products.I created private/public keypairs to ...
- 55
2
votes
1
answer
41
views
How to debug/solve this frontier integration issue?
I am currently in the process of integrating the frontier with the solo chain. Following the integration, when I attempted to deploy the contract using Remix, it appears to be stuck, with no ...
- 775
0
votes
1
answer
27
views
While authorizing specific nodes in building a blockchain i got the following error
I got this error while authorizing specific nodes in building a blockchain.
It gives me error like this.
error: failed to select a version for `bounded-collections`.
... required by package `sp-...
- 31
1
vote
1
answer
67
views
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
0
votes
0
answers
25
views
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
3
votes
1
answer
26
views
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
2
votes
1
answer
54
views
Validating node, how connet to polkadot.js
For running validate nodes, through set up, now i can see my node on the telemetry. but I don't know how to connect to polkadot.js.
polka wiki says
"You can generate your Session keys in the ...
- 61
1
vote
1
answer
61
views
Rejected connection: Transport(handshake was not a GET request)
When I start my node in the M2, it is continuously showing this error
.
- 664
9
votes
2
answers
223
views
Grandpa stuck at "Polling"
I am trying to spin up a small BABE PoS network of four nodes and not able to get GRANDPA to start.
It's hard to know what exact pieces of information to provide, here are some notes.
A few notes:
I ...
- 530
3
votes
1
answer
68
views
babe-worker failed after upgrade to 0.9.42
After upgrading to 0.9.42, we have ERROR tokio-runtime-worker sc_service::task_manager: Essential task babe-worker failed. Shutting down service. error starting the node using cargo run -- --dev. ...
3
votes
0
answers
29
views
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
1
vote
1
answer
34
views
How can i fetch the node identity from cli?
How we can fetch the node identity(local node identity in snapshort) after running the node i would need it so that i can make process automatic to start the second node by using that node key
- 1,896
2
votes
2
answers
72
views
Problems adding trusted Nodes on different machines on Windows 11(WSL)
I Cannot get the two Substrate Nodes to Work together in a local Network between two different PC running on Win11 + WSL
I have followed the Tutorial and everything seems ok till the point that i am ...
- 63
2
votes
1
answer
80
views
How can I set multiple bootnodes and have them communicate with each other?
I would like to know how i can set up multiple bootnodes that share the same state. Would doing this require the bootnodes to share the same database? I know this is basic substrate staff but it would ...
- 69
3
votes
1
answer
43
views
Add ed25519 address to chain_spec.rs
Trying to add an ed25519 address to the chain_spec file.
The node_template has the defaults
vec
- 341
3
votes
0
answers
46
views
How do i upgrade the council through a runtime Upgrade?
I have written code for a storage migration but unfortunately the council members are not displaying after the runtime upgrade. Below is the code I wrote for the storage migration
const COUNCIL_PREFIX:...
- 69
3
votes
1
answer
46
views
Substrate Node wont restart
We are running a substrate node in testing/development and the server ran out of disk space. We cleared up space by deleting the log files and now the node wont start.
Service(Client(RuntimeApiError(...
- 341
0
votes
1
answer
31
views
Substrate Deployment for Prod/Staging
I am wondering where do you deploy your substrate nodes for production or staging? Do you deploy the nodes to some cloud servers? How many connected nodes are sufficient to keep the network running?
- 1
3
votes
2
answers
120
views
Is there anyway to tell if a transaction was submitted by a light client on a substrate blockchain?
Interested in calculating the number of transactions submitted by type of node. Ie seeing how many transactions are originating from light clients vs full-nodes.
- 335
0
votes
2
answers
145
views
Problem Connecting Digital Ocean RPC Node to Polkadot-JS (NGINX Configuration Problem?)
I have established an RPC node on a Digital Ocean droplet and configured NGINX and SSL according to the instructions at the polkadot wiki. Configurations below. Connecting on wss://koabd.rocks or wss:/...
- 269
1
vote
1
answer
28
views
Public Tor dot Onion addresses for Polkadot, Kusama and Edgeware nodes
Hello Polkadot Ecosystem!
There are several public node operators, however, I was not able to find one that had support for .onion addresses. Public .onion nodes is something that has been in the ...
- 319
0
votes
1
answer
36
views
How to get PeerID or local node identity in bash script to enable running other node using it as bootnode in a command in script?
I want to write a script that runs node01, node02, node03 in relay chain network setup.
How do I get local node identity generated from running node 01?
Also I am confused on how the first validator ...
2
votes
1
answer
65
views
Retrieve block index after transaction is sent
I am a developer integrating Polkadot JS to my app. I am creating an offline transaction which I am sending via the Polkadot Api RPC. In return I get the txid, but it does not help me to retrieve the ...
1
vote
1
answer
67
views
Astar Startup Error after upgrading from version v4.23.0 to v4.33.0
Good day, everyone!
I'm running an Astar validator node.
When I upgraded the version from v4.23.0 to v4.33.0, an error occurred.
2022-11-24 02:06:57 Astar Collator
2022-11-24 02:06:57 :vサイン: version ...
- 23
3
votes
1
answer
63
views
How can a full node reconstruct the entire chain state using just block headers?
Reading the docs, something confused me :
Although older blocks are discarded, full nodes retain all of the block headers from the genesis block to the most recent block to validate that the state is ...
- 3,702
2
votes
1
answer
179
views
Recovering From No Space on Device
Whilst running a Polkadot node, the VPS ran out of disk space.
After re-sizing the box, restarting the service gives a DB version error:
0: Backend error: Database version cannot be read
Is this ...
- 227
2
votes
1
answer
20
views
Is it possible to delete the network peer database without deleting the chain data?
The Substrate chain and Parachain data directory contains 3 sub-directories, db, keystore, and network.
A long time ago the network directory used to contain the database of peers, but now appears to ...
- 446
3
votes
0
answers
95
views
Error importing blocks after upgrading to v0.9.32
After upgrading the node to v0.9.32 I started seeing this error message:
2022-11-11 14:03:44 💔 Error importing block 0x2062a73f1dee2fd35ad6ac25c641b08bf94cf6390b9fc7a8480d7b8ea9412eab: consensus ...
- 173
0
votes
1
answer
19
views
Is it possible to use Regex crate within a pallet?
I'm trying to get the regex crate to work on a pallet to check for an extrinsic input, but I can't get node to compile. Although I don't have the specific error to show, the question is if it is ...
- 1,104
1
vote
1
answer
39
views
tokenDecimals = 10 Causes Astronomical Fees - How To Change tokenDecimals On A Running Chain?
We have started a test chain with tokenDecimals = 10 in the chain spec JSON. The chain is running beautifully BUT fees are astronomical. For example, it takes 2.6 Billion to run for council. We are ...
- 269
0
votes
1
answer
61
views
Add Validators to your substrate node template
I generate key pairs on my first machine and modify the customspec.json and generate customspecRaw.json and distribute my customspecRaw.json to other machines I want to add. Okay My question is that ...
- 138
1
vote
1
answer
53
views
How do nodes reach a consensus on storage items from a custom pallet?
If I have a StorageValue which is for example a rust BTree, and my custom pallets interacts with that BTree which should an invariant - let's say it's a BTree of integers, and n can be added to that ...
- 13
1
vote
1
answer
91
views
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
1
answer
34
views
Forcing node traffic to local network
We would like to force all our local node traffic to use the local network instead of the internet to communicate between eachother. Any best practice to do this?
- 33
3
votes
0
answers
83
views
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
0
votes
1
answer
38
views
Are Periodic Grandpa Voter Errors To Be Expected?
We have been losing anywhere from one to three nodes at a time with Grandpa Voter Errors at random block numbers ranging from 1600 to over 183K. Thus far we have not found any configuration in the ...
- 269
0
votes
0
answers
22
views
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 ...
- 1,110
1
vote
3
answers
73
views
How to check how many blocks of polkadot node are synced?
I've started the syncing of polkadot node and I want to check how many blocks have synced can anyone tell me how would I do that?
- 73
1
vote
1
answer
135
views
How to get the hex decoded version of a Peer Id?
I see this example on Substrate's docs:
Node key: c12b6d18942f5ee8528c8e2baf4e147b5c5c18710926ea492d09cbd9f6c9f82a
PeerID (generated from the node key): ...
- 159
1
vote
1
answer
85
views
Memory leak after upgrading client to polkadot-0.9.22
We just upgraded our node client to polkadot-0.9.22 and experienced regular memory leaks to all nodes. I tried to look into Prometheus but there is not much helpful information we can find out.
Have ...
- 98
2
votes
1
answer
128
views
Grafana Dashboard not populating the basic node metrics data
I am unable to populate substrate node metrics data in Grafana dashboard. I was following the instructions as shared in substrate doc Visualise Node Metrics
I am able to establish the connection ...
- 183
2
votes
1
answer
58
views
Running a listener node in ReadOnly mode
I would like to run a non-validator node (listener node) and prevent it from accepting and broadcasting transactions (ReadOnly mode). Except for accepting transactions, I would like it to behave like ...
- 337
5
votes
0
answers
85
views
How are polkadot bootnodes set up? [duplicate]
I'm trying to set up my own public blockchain and have been running into issues when setting up a bootnode to be accessible over DNS rather than IP4. Based on the Polkadot chain specification, their ...
- 489
3
votes
3
answers
506
views
How to setup bootnode to use DNS address instead of IP4?
I currently have a node running on the cloud and I've set its websocket port to a custom domain following Polkadot's Nginx config (here). I would like to be able to use this node as a bootnode for ...
- 489
3
votes
2
answers
200
views
How to connect to cloud hosted node using WebSocket?
I'm currently running a node on a cloud machine and I'm running into several issues when trying to connect to it using the Polkadot Portal.
I've tried doing it in two ways, the first is by running the ...
- 489
2
votes
1
answer
142
views
How to connect two nodes running on different computers?
I'm currently trying to deploy a private blockchain and I'm having problems trying to have nodes running on different machines but still communicating with each other.
I've created a docker image ...
- 489