Questions tagged [async-backing]

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3 votes
3 answers
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"Slot number mismatch" after runtime upgrade

I'm upgrading a Parachain from Polkadot v1.6 to v1.8 (in one go). I followed all the instructions provided on the Polkadot wiki and I'm now applying the changes in step 3. I start a local network (...
Daan van der Plas's user avatar
1 vote
0 answers
12 views

"Invalid" error thrown after enabling async backing

After enabling async backing for our parachain, it started throwing an "Invalid" error every time an extrinsic is called, for example, performing a transfer or creating an asset,the strange ...
Sebastian's user avatar
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3 votes
0 answers
20 views

Upgrading parachain runtime for async backing "Timing by Block Number" question?

After reviewing this guide on upgrading the runtime of a parachain for async backing, I have a few questions regarding the "Timing by Block Number" section of phase 3, it mentions that ...
Sebastian's user avatar
  • 407
0 votes
0 answers
13 views

What is the expected time from sending a extrinsic to a block it's in being finalised?

Can we predict an average time derived from consensus, async backing and what other factors can impact this time? Thanks
metricaez's user avatar
0 votes
1 answer
27 views

Async operations with substrate library in python

I am curious, does the current python library support Async operations ? For some reason, I am getting an Aenter error when calling the substrate in python library. Thanks
PutsandCalls's user avatar
0 votes
0 answers
37 views

Assertion Failed error when minimumPeriod is set to 0

I'm currently working on upgrading a parachain to use Asynchronous Backing which requires a change in the pallet_timestamp making the MinimumPeriod = 0 impl pallet_timestamp::Config for Runtime { ....
Valentin Fernandez's user avatar
2 votes
0 answers
51 views

What is a ConsensusHook?

https://github.com/paritytech/polkadot-sdk/blob/769bdd3ff33a291cbc70a800a3830638467e42a2/cumulus/pallets/parachain-system/src/consensus_hook.rs#L61 The definition of a [ConsensusHook] trait for ...
Purple_Turtle's user avatar