Questions tagged [substrate-parachain-template]
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114
questions
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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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1
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32
views
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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0
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71
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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 ...
1
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1
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30
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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 ...
- 1,208
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36
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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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1
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50
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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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2
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89
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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
--> /...
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1
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1
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57
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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....
- 1,208
2
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1
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95
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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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30
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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/...
- 1,208
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83
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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 ...
- 293
1
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1
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34
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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.
- 1,208
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46
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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 ...
- 1,208
0
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1
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10
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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?
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2
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29
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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
...
- 1,208
2
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1
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29
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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?
- 1,208
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1
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45
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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 ...
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2
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1
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48
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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 ...
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1
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73
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 = [&...
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1
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17
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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?
- 1,208
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26
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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 ...
- 293
3
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1
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64
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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
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0
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20
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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 ...
- 297
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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 ...
- 148
3
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4
answers
126
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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 ...
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3
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2
answers
111
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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?
- 297
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1
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52
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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 ...
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50
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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 ...
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34
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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 ...
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39
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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
...
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3
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1
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47
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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 ...
- 293
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50
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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 ...
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45
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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 ...
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8
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1
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113
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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 ...
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1
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136
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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 ...
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2
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125
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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 ...
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1
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61
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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 ...
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240
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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-...
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3
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1
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57
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How to troubleshoot synchronisation issues between two nodes in a local Substrate blockchain network using server?
I am trying to set up a local blockchain network using the Substrate framework and two separate servers running on Alice (port 9944) and Bob (port 9944). However, I am encountering an issue where the ...
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127
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Subxt call to custom pallet method returning `wasm 'unreachable'` - (`TaggedTransactionQueue_validate_transaction`)
So I am trying to submit extrinsics to a running parachain node using subxt, but encounter a Codec error.
The parachain is based on the substrate-parachain-template, the relay chain is compiled ...
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2
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1
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48
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Cargo update error - " no matching package named `sp-beefy` found"
I am trying to run cargo update but I keep getting this error
error: no matching package named `sp-beefy` found
location searched: https://github.com/paritytech/substrate?branch=master
required by ...
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1
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41
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Implementing contract token transfers between users in a Substrate-based DEX
I am working on a decentralized exchange (DEX) using the Substrate framework, and I need help with transferring non-native tokens between user accounts within the DEX.
Suppose a user creates a token ...
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1
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0
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55
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Why Balance is not deducted from source- signer in parity-bridges-common?
I was working on parity-common-bridges and was transferring balance from millau chain to rialto chain account using this script.
RUST_LOG=runtime=trace,bin-substrate=trace,bridge=trace \
./target/...
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2
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1
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83
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How to make orml-traits and orml-tokens compatible with sp-io version 7.0.0 in a Substrate project?
I am working on a Substrate project and want to use the orml-traits and orml-tokens crates in my custom pallet. I have added these crates to my Cargo.toml:
orml-tokens = { git = "https://github....
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2
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72
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No authoring in network using custom keys, a local Rococo chain specification, and a modified substrate-parachain-template
I have read through the documentation on Substrate.io and have created a network of nodes in both a relay and parachain with custom keys. The network is running in Kubernetes (I would like to have ...
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2
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141
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Is it possible to specify parachains in the Polkadot chain specification for local testing?
I noticed that the chain specification for Polkadot contains a paras field that is empty. I have not been able to find any documentation on what it is used for or if I can specify parachains there to ...
- 123
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0
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37
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Parachain Implementation in local PC [duplicate]
We create a local parachain implementation in our PC followed by this steps:- (https://docs.substrate.io/test/set-up-a-test-network/) using cargo build --release steps i got error. I attached my ...
- 135
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307
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error[E0207]: the type parameter `T` is not constrained by the impl trait, self type, or predicates
Below is my block of code where I am implementing this trait Config. I am not sure what I am doing wrong here I keep getting error "the type parameter T is not constrained by the impl trait, self ...
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