A few tips for how to upgrade a Rococo fork
This is ofcourse valid for other runtimes, but we (Pop-Art Relay Testnet) are using a Rococo fork, which doesn’t have pallet_scheduler out the box.
Instead of running the extrinsic:
sudo > setCode(code)
We will be using:
sudo > setCodeWithoutChecks(code)
This will upgrade the runtime without checking the weight.
Use the most compressed wasm available which you will find in: .
/target/release/wbuild/rococo-runtime/rococo_runtime.compact.compressed.wasm
That should do the trick!
This is a quick guide to set up an RPC node so that you can interact with your blockchain via a UI such as https://polkadot.js.org/apps.
Here is the command to launch a non-validating, non-archive, full (RPC) node:
Once your node is running, you can interact with it by going to https://polkadot.js.org/apps and clicking the drop down in the top-left corner > development > Local Node and the clicking “Switch” at the top of the screen.

If your ` — ws-port` is not 9944 then instead click Custom and enter the custom port.