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11 votes
Accepted

How do I spin up a testnet with Zombienet?

You'll need to download the Zombienet executable. You can find linux and macOS executables of the Zombienet CLI here: https://github.com/paritytech/zombienet/releases Download the Zombienet CLI ...
Bruno's user avatar
  • 8,315
4 votes
Accepted

Connecting a rococo-local based parachain to a private polkadot-local based relay chain

Finally I get the answer of my question : it was a silly network issue. What's sad is that I forced --bootnodes '...' options in my collator startup command but it didn't raise any connection issue. ...
Mathilde Ffrench's user avatar
3 votes

"Account cannot be created" when trying to transfer statemine token to sibling parachain

There's an referendum open for make USDT sufficient in statemint: https://polkadot.polkassembly.io/referendum/80 The referendum passed, there's 28 days delay to the change be applied
Lohann Paterno Coutinho Ferrei's user avatar
3 votes

Upgrade Rococo fork, error would exhaust block limits (no pallet_scheduler)

Put through the upgrade with sudo.sudoUncheckedWeight instead of sudo.sudo. If using the apps UI, the sudo page does have a toggle to swap this this second call aka the "with weight override"...
Jaco's user avatar
  • 5,865
2 votes

On our own rococo staging chain is it possible to bypass the long onboarding process for parachains, with Sudo?

It takes 2 sessions for the chain to fully onboard as a parathread. https://docs.substrate.io/tutorials/v3/cumulus/rococo/#register-as-a-parathread
Bruno's user avatar
  • 8,315
2 votes

On our own rococo staging chain is it possible to bypass the long onboarding process for parachains, with Sudo?

You can compile polkadot with --features fast-runtime and most actions (onboarding, democracy) will require a lot less time.
Squirrel's user avatar
  • 3,849
2 votes

How to add charlie node to local relay-chain?

BEEFY (Bridge Efficiency Enabling Finality Yielder) is a secondary protocol running alongside GRANDPA to support efficient bridging with non-Substrate blockchains. https://github.com/paritytech/...
Bruno's user avatar
  • 8,315
2 votes
Accepted

Attempting to establish hrmp channels on rococo-local reports `Execution errored at 0: Unimplemented`

From the logs and your comment, it looks like you are sending hrmpInitOpenChannel and hrmpAcceptOpenChannel to the other parachain? You actually want to send these to the Relay Chain. If that doesn't ...
joepetrowski's user avatar
  • 2,955
2 votes
Accepted

How do I reset my parachain's state?

If all you want to do is reset the state for your parachain: If you want to reset the state and upload new code then you can use utility.batchAll() and call paras.forceSetCurrentHead() and paras....
Bruno's user avatar
  • 8,315
2 votes

How to compile polkadot node with only rococo runtime

You can compile the rococo-runtime package and its dependencies with cargo build --release -p rococo-runtime. On master this compiles 638 packages instead of the full 1819, and is a flag that you can ...
seadanda's user avatar
2 votes

Rococo polkadot-launch parachain doesn't create blocks

Obtain the "raw" chain definition that you originally used to launch polkadot-launch after copying the latest binary of your parachain to the polkadot-launch bin/ directory. Ensure you are ...
Luke Schoen's user avatar
  • 2,346
1 vote

Rococo polkadot-launch parachain doesn't create blocks

Are you customizing your RunCommand struct in cli.rs? I've faced this issue where blocked are not being finalized while customizing the RunCommand struct. (In my case, I was not providing the correct ...
Pawan Bisht's user avatar
1 vote

How to compile polkadot node with only rococo runtime

I don't think you can do that with the latest code. It's a feautre of its dependency. https://github.com/paritytech/polkadot-sdk/blob/76994356fcaeda77a5c21958ef4e2597e1c74b05/polkadot/Cargo.toml#L29 ...
AurevoirXavier's user avatar
  • 10.6k
1 vote

Error on Simulate parachains in a test network

This is a known issue you can follow here: Error: Race when use multiple parachains in native (default concurrency). Until is fixed you can use the workaround suggested by Javier: Add the flag -c 1 ...
Alex Bean's user avatar
  • 5,747
1 vote
Accepted

cannot bind unix socket: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } error

The problem is in the helm charts configuration, especially when node.customNodeKey value is defined in custom values provided. The thing is that it mounts custom node key into the /tmp/ folder with ...
Oleg Kalenik's user avatar
1 vote
Accepted

"Account cannot be created" when trying to transfer statemine token to sibling parachain

thanks for the responses The reason this transfer was not working in this case, is because the sibling parachain account was not created. I had mistakenly assumed that the parachain relay sovereign ...
insipx's user avatar
  • 373
1 vote

"Account cannot be created" when trying to transfer statemine token to sibling parachain

USDT is sufficient in Statemine. If you want your test to work on your local you will have to make USDT sufficient as well. As Lohann pointed, it will be soon also sufficient in Statemint. Here you ...
NachoPal's user avatar
  • 514
1 vote

Do I need to bump the versions of a new release manually before making a runtime upgrade from a Polkadot release-v0.9.xx?

As noted here: https://docs.substrate.io/tutorials/get-started/forkless-upgrade When upgrading the chain, you need to manually increment the spec_version. Here are the changes for release-v0.9.28, ...
Bruno's user avatar
  • 8,315
1 vote

On our own rococo staging chain is it possible to bypass the long onboarding process for parachains, with Sudo?

You can use paras.forceQueueAction(paraId) to make the onboarding happen in the very next session. I am afraid that this is the only and fastest way that I know to make this process faster. I don't ...
Alejandro Martínez's user avatar

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