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3 votes
Accepted

How to run a `polkadot-dev` or `kusama-dev` node?

The -dev and -local chains are not available in the polkadot-sdk nodes since their corresponding chain-spec has been removed and is now present in the fellowship repo along with the other runtimes. So ...
Alberto Nicolas Penayo's user avatar
2 votes

I want to Send data to relaychain from parachain?

You can place any payload you want in a Call and send it over as Transact. You can learn more about Transact here. But, as @liamaharon is asking, it is questionable whether you actually need to send a ...
kianenigma's user avatar
  • 2,799
2 votes
Accepted

Which one is the latest release polkadot-v1.12.0 or release-polkadot-v1.12.0 or release-crates-io-v1.12.0?

crates-io-* is for crates.io. polkadot-* is a tag for release. release-* is a branch. It corresponds to that version and may include minor updates. For me, I always use release-*.
AurevoirXavier's user avatar
  • 10.7k
1 vote
Accepted

Error: could not compile `sc-network` when bumping to v1.11.0

The problem is that litep2p is currently pulled in as a git dependency and this is not fixed to a specific commit. You should be able to fix it locally for you by running the following command: cargo ...
bkchr's user avatar
  • 11.6k
1 vote

Implementing Load Balancing for Multiple Validator Nodes on AWS: Seeking Suggestions

Normally load balancing would be done by services like nginx/haproxy (locally) or cloudflare (external). If you are using polkadot.js I suppose you have some kind of ssl enabled proxying already (...
stakeworld's user avatar
1 vote
Accepted

Setting collection metadata

It is failing with IncorrectMetadata because your provided metadata is too long, i.e longer than the StringLimit constant of pallet_nfts::Config. Metadata is stored as BoundedVec, which is bounded by ...
dastansam's user avatar
  • 591
1 vote

getting error while building substrate blockchain?

The compiler has already told you. Need a &[..]. Try call .as_slice() on your BoundedVec type.
AurevoirXavier's user avatar
  • 10.7k
1 vote

What are the differences between these polkadot binaries: polkadot, polkadot-parachain, polkadot-prepare-worker, polkadot-execute-worker?

All three binaries are needed to properly run a validator node. The main polkadot binary is started by a user to run the node, as it always has been. After this PR (98.6% OF DEVELOPERS CANNOT REVIEW ...
Alex Bean's user avatar
  • 5,757
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
  • 5,757

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