Questions tagged [substrate-parachain-template]
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122
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Why my collator node produce only #1 block and not finalize it?
I am trying to running collator node by using this tutorial, I have secured testnet and everything is configured by my side but the issue is just #1 block produce but it is not finalizing. Can someone ...
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29
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execute_block, initialize_block, apply_extrinsic, finalize_block, offchain_worker exists for struct `Executive` but its trait bound were not satisfied
I developed substrate parachain with custom pallets. Actually I wanna add OCW functionality to one of my pallets. After I updated runtime code and added CreateSignedTransaction implementation I tried ...
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25
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Parachain Not Compiling
We are updating parachain template in v1.6.0,when building by using cargo build --release, we're getting weird error.
Can someone suggest what we are doing wrong?
Github repo
ErrorFile Link
...
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15
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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
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1
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38
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Must-have Parachain pallets
Which are the absolute must-have pallets that need to be added to a runtime to make it parachain-compatible?
I am looking at the parachain template.
Are the XCM helpers necessary?
2
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0
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70
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Parathread not producing block on Rococo registered using CoreTime
I am trying to list a parathread on Rococo using core time. I have followed all instructions mentioned here. I followed below steps:
I registered a ParaId and onboarded Parathread as usual but didn't ...
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17
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Getting inconsistent block time even after implementing asynchronous backing in parachain
i am getting block time of parachain 12 to 30 sec even after implementing asynchronous backing in it.what can be the issue??
1
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38
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Parachain doesn't produce blocks(collation wasn't advertised to any validator)
I'm currently engaged with the Polkadot relay chain version 1.1.0, and I've encountered an issue in the parachain where block production is not occurring. My configuration involves two validators in ...
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42
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Parachain does not producing blocks
When I link a relay chain to the parachain using the Local chain type, it successfully generates blocks. However, upon changing the chain type to live in chain_spec.rs, block production fails, and an ...
0
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1
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69
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Up-to-date substrate template
Since code was migrated to polkadot-sdk monorepo, what is the recommended way to obtain up-to-date parachain or standalone substrate template? I am interested in something that is migrated to v1.5.0
...
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58
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Rococo testnet Parachain is not peering and Producing Blocks
I found similar questions but it doesn't help me. I am struggling to peers two node and produce block. Everything works fine in rococo-local, Below is the process that I followed,
collator-node01
./...
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1
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36
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unexpected argument 'key' found while generating keys
I want to generate keys for my parachain-template-node but using this command gives me error.
ganesholi@Ganeshs-MacBook-Air xcav-parachain % ./target/release/parachain-template-node key generate --...
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98
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Rococo testnet Parachain is not Producing Blocks?
I'm trying to connect to rococo testnet as a parachain using own customized parachain !
It works locally and produces blocks when connected to local Relay chain
But when connected to Rococo it doesn't ...
2
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1
answer
39
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Error on Simulate parachains in a test network
I am trying to Simulate parachains in a test network and following this tutorial but I am getting this error. Someone please advice what I am doing wrong?
Error: Error: Command failed with exit ...
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1
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50
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What does Alice polkadot account mean?
In the polkadot account there is a private key and a public key.
What does the predefined account "Alice" means? I mean in the pre defined account is "Alice" is the title of the ...
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1
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54
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Polkadot v43 failed to send issue with tx pool
Zombienet + polkadot v43
two errors:
DEBUG tokio-runtime-worker txpool: [0xd7165975185efe4f63425ab930021c89f166fda20d0e4f564f61c9ebd491640e] Error importing: TooLowPriority { old: 13700, new: 513 }
...
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2
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106
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How to fix the trait `parity_scale_codec::MaxEncodedLen` is not implemented for `parity_scale_codec::Compact<sp_runtime::Perbill>`?
When building my parachain, I run into the error:
error[E0277]: the trait bound `parity_scale_codec::Compact<sp_runtime::Perbill>: parity_scale_codec::MaxEncodedLen` is not satisfied
--> /...
1
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1
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81
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can't start test network using zombienet-macos
I am using polkadot from polkadot-sdk github repo and from this article to Simulate parachains in a test network, it says to checkout latest release of polkadot which might be git checkout release-v1....
2
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1
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178
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panicked at 'assertion failed: `(left == right)`
I am having a setup of relay chain and two parachains are connected to it, I was running some test cases and during that i encounter an error
thread 'test::...
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1
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40
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How to test parachain after slots acquired?
I have acquired parachain in rococo test chain with parachain 4,285.
After that I try to start the collator node using following command as shown in Acquire a testnet slots tutorial,
./target/release/...
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1
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101
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Getting Command failed with exit code when running substrate-parachain-template version polkadot-v1.0.0 with zombienet
I am getting the below error when I build and run substrate-parachain-template using zombienet. I am using the latest release (master branch of substate-parachain-template) which uses the latest ...
1
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1
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36
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why assigned rococo parachain slots in parathread?
My assigned slots Id in rococo, it was listed in parachain-overview section but now it is in Parathread section with leases 456 - 460. What is the meaning of this? Someone please explain.
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48
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What after slot assigned?
We now assigned slots here.
and I can see my paraId in Network->Parachains->Overview section.
I also started the collator node but not blocks are producing. this is log after running collator ...
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17
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Token Symbol doesn't change in extend-parachain-template
I have changed properties of token here github repo, but symbol of token doesn't change while running node in dev mode ./target/release/parachain-template-node --dev. Is this because of parachain?
2
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1
answer
33
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Rococo Slot Request problem on adding file
When requesting Rococo slots here, there are two options:
Upload your Genesis Head (genesis state) - Do not submit a compressed
file.
Upload your Validation Code (genesis runtime Wasm) - Do not
...
2
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1
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51
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What is the difference between port vs rpc-port?
While starting node, what is the difference between --port and --rpc-port?
0
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1
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59
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Thread 'main' panicked at 'Validator in session 1 missing keys!'
Now I am acquiring testnet slots in rococo, In modify-the-chain-specification-file steps 5, it says Add the public key for your account to the session keys section. I added like this,
but while ...
2
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1
answer
53
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Error with block built on Import failed: Unexpected epoch change
I am using release-v1.0.0 of polkadot. I am going through this tutorial and running two relay chain node but got this error,
Error with block built on ...
0
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1
answer
81
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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 = [&...
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1
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19
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No block are producing in substrate parachain template
I am using substrate parachain template. I run node using ./target/release/parachain-template-node --dev command. No block are producing. Should I need to add pallet-grandpa as well?
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40
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When sending Transact XCM Instruction, how to specify the pallet which contains the extrinsic to execute on target parachain?
When sending Transact XCM Instruction from parachain A, how do I specify (or how does the xcm-executor know) the pallet / pallet id on the target Parachain B which contains the extrinsic to be ...
4
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1
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81
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Failed to Decode Error?
I was trying to transfer nft from relay chain to parachain through transact instruction of Xcm.
Here is snippet of code I am using
Xcm(vec![Transact {
origin_kind:OriginKind::Xcm,
...
2
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1
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58
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How to programmatically execute xcm message from Patachain A to execute an extrinsic on Parachain B
I have a local relaychain setup with 2 parachains Parachain A and Parachain B .
I will like to execute an XCM message from Parachain A to execute an extrinsic on Parachain B using the Transact ...
1
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1
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32
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New to Rust: Seeking Clarification on RuntimeEvent Type Resolution in Substrate-Parachain-Template
I'm a newcomer to Rust and have been working with the Substrate-Parachain-Template. So far, I've managed to get everything to compile and run without issue, which is a good start.
However, I've come ...
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24
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Unpredicatable Block time in parachain?
I connected two parachains with Relay chain. While working on xcm functionality, I discovered that block time of parachain changes. Generally block time of parachain in parachain-node-template is 12 ...
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2
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56
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No governance within substrate-parachain-template
Does anyone know why the template provided in this repo doesn't include any governance? I noticed that the Cumulus repo does include a sudo.
I run a parachain using this template and was unable to ...
3
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4
answers
136
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Getting ump.InvalidFormat at relaychain when sending XCM message
I am getting ump.InvalidFormat when I sending a XCM / UMP from local a local parachain setup to relay chain to. the message instruction is[1][withdraw, buydeposit, deposit] on the relaychain
I am ...
3
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2
answers
117
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error: `<C as TrieCacheProvider<H>>::Cache<'_>` does not live long enough
I'm adding ping pallet in the parachain and i'm facing this issue
Can anyone guide me through this?
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1
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61
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How to use pallet Instance in Xcm?
I was using xcm and while filling parameters in destination, I encountered through a field Interior:xcmv2multilocationJunction
and i selected x1 there . After that there is x1:xcmv2Junction which ...
1
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1
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52
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Can we modify storages using Cross Chain Message Passing(XCM)?
I am currently working on transferring NFTs from one chain to another using XCM. To accomplish this, I need to remove the NFTs from the storage of the source chain and add them to the storage of ...
3
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0
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37
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the function or associated item `offchain_worker` exists for struct
i wanna add a new pallet in substrate runtime.rs
this is the contract of the file :
#![cfg_attr(not(feature = "std"), no_std)]
/// Edit this file to define custom logic or remove it if it ...
3
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43
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How to execute/apply extra logic when xcm call delivered and deposit is succeed? or register callback?
I want to execute extra logic when xcm call deliver and deposit succeed.
I can pass extra parameters in beneficiary MultiLocation with a description what todo next.
I have a MultiLocation
...
3
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1
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49
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Local Parachain blocks not getting finalized - logs show websocket error
I am following the build a parachain
however, after I run the parachain collator and the relay chain validators, and then make a transfer from one account to another (Alice to Bob) on the parachain ...
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1
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53
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Getting error while biding in relaychain for adding my parachain into relay-chain
I'm trying to connect my parachain to a relay-chain locally via auction.
I bid in the auction and set the auction ending period to 2 minutes,
The bidding process is done but after the bidding I got ...
0
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1
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48
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How polkadot open their slot for auction?
I was make a private network in relay-chain and parachain and connected parachain into relay chain through sudo assign slot pallet & slot locally.
but i want to add my parachain into relay-chain ...
8
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1
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138
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Support WeightV2 in a substrate chain?
I started working from the substrate-parachain-template and added the pallet_contracts to the runtime. When I open the Contracts UI, I'm getting the error message that states the node does not support ...
5
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1
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152
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How to make a parachain runtime upgrade
I´m trying to make a parachain runtime upgrade without a migration, as a way to understand the process before trying with a migration.
I´m using version 0.9.40 of polkadot for the relay chain and the ...
4
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2
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139
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How to configure polkadot + parachain locally to validate parachain block each 6 sec?
I want to spin up parachain LOCALLY faster. each 6 sec.
How to configure polkadot with parachain?
I have seen this and this
and this post
So my zombienet contains
polkadot(obviusly😊)
and two ...
2
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1
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66
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How do i verify i have the correct version of substrate binaries and libraries as required by substrate-parachain-template?
How do I verify I have the correct version of substrate binaries and libraries as required by substrate-parachain-template, and How do I write a rust-toolchain.toml file that matches the versions ...
5
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1
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274
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(Parachain) cannot create a runtime error=Other("cannot deserialize module: unknown Opcode(192)")
I was following the substrate SDK official documentation for building a parachain on the Polkadot blockchain, and in the connect a local parachain tutorial(https://docs.substrate.io/tutorials/build-a-...