All Questions
Tagged with substrate-node-template substrate-node
69 questions
1
vote
0
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22
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sp-io v38.0.0 cannot find function `malloc` in module `crate::allocator`
I'm building custom solochain using polkadot-sdk-solochain-template.
After I've added some dependencies and fixed error with implementation I'm starting to get the sp-io error:
cannot find function `...
0
votes
0
answers
10
views
How to Generate Substrate Keys for a Custom SS58 Format (e.g., 567)?
I am working on a Substrate-based blockchain and need to generate keys for my network, which uses a custom SS58FORMAT = 567. I am using the key subcommand from my Substrate node executable. However, ...
- 269
0
votes
0
answers
9
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Resolving Frame-Metadata Version Conflict Between Dependencies while updating version of substrate project
There seems to be a frame-metadata crate error where 2 versions are being referenced which is causing the error. The 2 versions are v16.0.0 and v18.0.0. The issue is that the substrate-wasm-builder ...
1
vote
2
answers
149
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Resolving Sandbox Host Function Access After Deprecation in Polkadot v0.9.35
I am currently working on a Substrate-based solo chain that has migrated from polkadot-v0.9.34 to polkadot-v0.9.35 and is now on the stable branch 2409. In v0.9.35, the Sandbox host functions were ...
- 2,100
0
votes
1
answer
27
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Can't find substrate-node-template
I'm new to substrate.I'm following the a tutorial on youtube https://www.youtube.com/watch?v=G897F8Gw1PM&list=PL5dTjWUk_cPYdb4j2RH8BHEAK3z_ZME1j&index=2 and the substrate docs to build a local ...
1
vote
1
answer
21
views
What should be `Good Enough` requirement for Substrate based chain?
I am working on a Substrate based chain. I want to make sure my chain is up to par for Polkadot community.
For example: my chain should use latest Polkadot SDK stable version.
Are there other things, ...
- 568
3
votes
2
answers
73
views
use of undeclared crate or module `alloc` when upgrade to `v1.13.0`
I got this error below when running psvm -v 1.13.0
error[E0433]: failed to resolve: use of undeclared crate or module `alloc`
--> /Users/chungquantin/.cargo/registry/src/index.crates.io-...
- 348
1
vote
0
answers
42
views
frame-benchmarking-0.35.0: use of undeclared crate or module `alloc`
I am trying to upgrade the base-parachain to v1.13.0 and got an issue with the frame-benchmarking. This error coming from the frame-benchmarking crate which throws an error
error[E0433]: failed to ...
- 348
4
votes
1
answer
110
views
Unable to compile upgrade parachain node after running `psvm v1.13.0`
I am trying to upgrade my parachain node from v1.12.0 to v1.13.0 using psvm but it does not compile successfully due to some mismatch conversion error of libp2p. I believe this PR must cause that ...
- 348
0
votes
1
answer
15
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How to fix `cargo clippy` error for `#[pallet::call]` and `#[pallet::generate_deposit(pub(crate) fn deposit_event)]`
I have added a clippy check #![warn(clippy::missing_docs_in_private_items)] on the top of my pallet. I have added documents at all required places. However I am still getting below errors for #[pallet:...
- 568
0
votes
0
answers
29
views
Error following the tutorial Authorize specific nodes [duplicate]
i am following the tutorial Authorize specific nodes, but when i arrive to the point where i have to add the line
construct_runtime!(
pub enum Runtime where
Block = Block,
NodeBlock = opaque::...
- 1
0
votes
2
answers
58
views
Where do I find the construct_runtime macro?
I'm trying to do the tutorial Authorize specific nodes, however I'm not sure where to find the construct_runtime macro in my lib.rs file. The tutorial requires the line NodeAuthorization: ...
- 13
0
votes
1
answer
23
views
Fixed Amount of Minting per block?
If i want to mint specific amount of native coin by the end of every block where should i implement the logic . Do i customize the pallet-template using pallet hooks , or do i implement a existing ...
0
votes
0
answers
28
views
What is a minimal requirements for a Frontier Template based blockchain's network?
I'm trying to figure out what a minimal blockchain would look like using substrate's frontier node.
What I'm trying to build:
A public minimal blockchain network
Aura consensus model
EVM and Ethereum ...
- 101
0
votes
1
answer
18
views
How to Sync Two Boot Nodes for Redundancy?
I'm working on a blockchain project and want to ensure uninterrupted block production even if one of our boot nodes goes down. How can we effectively sync two boot nodes so that if one goes offline, ...
0
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0
answers
48
views
Mitigating Single Point of Failure in a Distributed Blockchain Network Setup(Substrate & Polkadot)
We have deployed a blockchain network using five cloud machines distributed across various geographical locations, with each machine running a specific node type crucial for the network’s ...
0
votes
2
answers
77
views
Build Error with `tikv-jemalloc-sys v0.5.4+5.3.0-patched` in Substrate Node Template
I am encountering a build error when running cargo build --release on a Substrate Node Template project. Here is the error message:
error: failed to run custom build command for `tikv-jemalloc-sys v0....
0
votes
1
answer
70
views
Implementing Load Balancing for Multiple Validator Nodes on AWS: Seeking Suggestions
I've set up two instances on AWS, each running a validator node for a blockchain project. Here’s a quick breakdown of my configuration:
First Server: Runs a validator node and a reverse proxy. It's ...
-1
votes
1
answer
36
views
What is the max value we can use for `--rpc-max-connections ` flag of substrate node template?
I am using substrate node template. We know it comes with many flag . I want to know specifics about --rpc-max-conections . We know that default is 100 but i want to know is there any maximum ...
0
votes
0
answers
16
views
How to send data from parachain to relaycahin
Hello everyone I am working on a project where I need to send some data or messages from my custom parachain to a custom relaychain, then I want to map with a particular account and store it on ...
0
votes
1
answer
59
views
Compilation Error with Substrate on Rust Nightly: #![feature] May Not Be Used on the Stable Release Channel
I'm working on a Substrate-based blockchain project and encountering a compilation error when trying to build my node runtime. The error indicates that nightly features are being used while the stable ...
- 923
0
votes
1
answer
20
views
How to transfer assets from parachain to relay chain
As I'm new to substrate and polkadot I don't know how to transfer assets from parachain to relay chain using xcm can anyone please help me to do this.
0
votes
1
answer
34
views
Resolving "Bootnode on a Different Chain" Error in Substrate Network Setup
I am in the process of setting up a Substrate-based blockchain network and encountered a challenging issue while trying to connect my node to a bootnode. The error I'm facing is as follows:
Bootnode ...
0
votes
0
answers
60
views
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
votes
1
answer
44
views
Substrate Offchain Worker - failed to fetch sample price
I am trying to use Substrate Offchain Worker. I implemented as mentioned here https://github.com/paritytech/polkadot-sdk/tree/master/substrate/frame/examples/offchain-worker.
I am using same sample
...
- 568
2
votes
1
answer
127
views
Syncing with a chain that requires host functions deprecated by the Substrate
I'm working on upgrading a Substrate-based standalone chain that was launched several years ago.
Recently, we made a transition from polkadot-v0.9.34 to polkadot-v0.9.35. After we did that, we are no ...
- 317
0
votes
0
answers
13
views
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
votes
0
answers
19
views
Not able to add any crates in substrate-node-template
I am working on substrate.where I want to use some of create like pinata_sdk,Openssl etc but I am not able to import or add in cargo.tmol file where I add I get this error: `
--- stderr
Compiling sp-...
1
vote
2
answers
55
views
Is there a standalone node-template that points to the polkadot-sdk repo?
Are there are node templates that one can use readily without tinkering with the versions and tags? Something that works out of the box?
And it should point to the polkadot-sdk repo and not the ...
- 123
3
votes
0
answers
52
views
Explorer compatibility with blockchain node version v1.0.0
The issue I ran in is finding an explorer version, which is compatible with substrate version v1.0.0.
I found that version of explorer below v0.133.1 (https://github.com/polkadot-js/apps/releases/tag/...
- 151
1
vote
1
answer
44
views
How can I change --rpc-max-connections on already running substrate-based node?
I have already running substrate-based node and I started to get error:
429 Too many requests: Too many connections.
This happens due to HTTP requests that my FE produces. After research I ...
1
vote
0
answers
24
views
"EVM front tier remote code execution vulnerability"
Anyone using the latest EVM frontTier Pallet their - seems to be a possibility for a remote attacker to exploit your nodes remotely and control the nodes and every other nodes within your system, that'...
- 11
1
vote
0
answers
28
views
How to Fetch data at the time of block production?
Can I implement a pallet which holds the node information and at the block production time we can use this node information?
- 2,100
3
votes
1
answer
49
views
How to add vector fields in the block header?
I want to add a vector fields in the block header of substrate chain. Is this possible?
If yes, How can i do that? Do we have any reference code for it?
Thanks in advance
- 2,100
1
vote
1
answer
66
views
while building an application logic (use macros in a custom pallet) [duplicate]
[][in build an application logic im facing this error im new to substrate please help me fix this.]
- 31
2
votes
0
answers
69
views
segmentation fault ERROR
I just started in learning substrate and I want to run the example. I take the tutorial on the site https://docs.substrate.io/install/macos/.
I have already done all steps. I tried run test blockchain ...
- 21
0
votes
0
answers
36
views
Build a blockchain
I'm following substrate documentation in that build a blockchain tutorial while following the monitoring node metrics tutorial.
I got stuck while installing prometheus on my ec2 instance is there any ...
- 31
0
votes
0
answers
66
views
Maintained Substrate-NPoS-template?
Substrate has a substrate-node-template with Aura consensus which is well maintained and updated time to time. Do we have a same kind of template for NPoS consensus which is well maintained and ...
- 769
3
votes
1
answer
80
views
How to add custom account as initial authorities in chain_spec.rs file
I've successfully added custom accounts in the Sudo account and pre-funded accounts following this stack adding an account but I also wanted to set custom accounts as initial PoA authorities.
Thank ...
- 31
1
vote
1
answer
38
views
Polkadot JS query response types are missing
No types for blockchain query responses are available in our IDE.
Doing any query like this
await blockchain.api.query.assets.asset(id, (res) => {
const info = res.toJSON()
console.log(&...
- 361
1
vote
1
answer
47
views
I got this error while building a blockchain (building a local blockchain)
when i run node template without --ws external its producing blocks but when i run with --ws external its giving me error please help me fix this im new to substrate.
- 31
1
vote
0
answers
17
views
RelaychainwithChainbridge
We have tried to connect my relay chain with Chainbridge, but I got errors (SUB to ETH and ETH to SUB). I could not replace the existing relay chain with my relay chain. Please let me know the ...
- 135
2
votes
1
answer
108
views
How to customize pallet_contracts?
We have our own chain where we've added pallet_contracts pallet for writing and deploying smart contract. We just want to give permission to upload smart contract for few users only. Someone please ...
- 1,253
0
votes
0
answers
55
views
Stable coin in substrate
How can a stablecoin be developed on a Substrate-based blockchain? I came across this question, which suggests following the implementation approach of Acala. However, are there alternative methods to ...
- 1,253
2
votes
1
answer
84
views
Substrate - Change logging library
Is there some way to change the logging library or at least the logging format? I need a way of having the logs output in JSON format.
What I tried:
Installed the tracing-subscriber pallet with json ...
0
votes
2
answers
76
views
<C as TrieCacheProvider<H>>::Cache<'_>` does not live long enough
I found the exact same first issue here and I checked I don't have any duplicate dependencies. I also try cargo clean & cargo update command, nothing changes.
ganesholi@Ganeshs-MacBook-Air ...
- 1,253
0
votes
2
answers
242
views
unexpected argument '--ws-port' found
I am preparing local relay chain from this tutorial. Configure polkadot and added raw-local-chainspec.json file but while running first validator, it gives this error.
ganesholi@Ganeshs-MacBook-Air ...
- 1,253
0
votes
1
answer
91
views
Can't configure the test network settings
I am trying to Configure the test network settings. I am following this tutorial.
This is my config.toml file
[relaychain]
default_command = "./binaries/polkadot/polkadot"
default_args = [&...
- 1,253
2
votes
1
answer
45
views
Configure test network file
I am trying Simulate Parachain tutorial, in configure the test network settings, there is step to create a configuration file config.toml. Can we create that file in any directory or should we need to ...
- 1,253
2
votes
1
answer
83
views
Steps to connect chain to rococo test
I have chain built using substrate-node-template. Now what are the steps to connect my chain to Rococo test network?
- 1,253