parachain-template: genesis config presets added #4739

michalkucharczyk · 2024-06-08T09:36:01Z

Gensis config presets moved from parachain-template-node binary into parachain-template-runtime runtime.

kianenigma

Would we make different choices if we know we want this code in all 3 runtimes? maybe reusing parts of it?

We need indeed want this code to also be in the solochain and minimal runtime as well :)

kianenigma · 2024-06-10T00:20:37Z

templates/parachain/runtime/src/genesis_config_presets.rs

+pub const PRESET_LOCAL_TESTNET: &str = "local_testnet";
+
+/// Preset configuration name for a development environment.
+pub const PRESET_DEVELOPMENT: &str = "development";


One annoying little detail about this is that if you don't put chian_type: Dev in the chain-spec, PJS apps won't show the accounts to you. There is a CLI flag for that two, but seem annoying to repeat development many times.

./chain-spec-builder --chain-type development --preset development etc etc

We either create a ticket in PJS apps to change this (prob better), or we think about how we can improve it on our side. Maybe a chain-spec-builder --dev that does both? combined with running the chain in --dev it sounds like a good dev ex to me.

# compile wasm # ./chain-spec-builder --runtime wasm --dev > spec.json # ./omni-node --chain spec.json --dev

cc @gupnik @shawntabrizi

chain-spec-builder --dev

This would assume that presets' naming is somehow standardized. Every runtime shall provide something in order to make flags in some other tool work correctly. This is probably OK, question is we want to go in that direction.

To me it sounds reasonable that these are separate flags. You could have multiple runtime presets for development, all of them with chainType "Dev".

I was thinking how one could do the pjs route. I think currently pjs calls the system_chainType RPC which gets its data directly from the chain spec. If we don't want to use the chain-spec property for this, we would need another easy way to tell that we are a dev chain.

We can keep separate flags, --dev can be convenient shortcut.

yeah, let's keep all things configurable in the super-user mode, but one --dev that makes some assumptions is a good nice to have.

michalkucharczyk · 2024-06-10T06:07:58Z

Would we make different choices if we know we want this code in all 3 runtimes? maybe reusing parts of it?

We need indeed want this code to also be in the solochain and minimal runtime as well :)

To which part are you referring to?
I think this is the part that will be duplicated:

const SAFE_XCM_VERSION: u32 = xcm::prelude::XCM_VERSION;
pub fn get_from_seed<TPublic: Public>(seed: &str) -> <TPublic::Pair as Pair>::Public {
pub fn get_collator_keys_from_seed(seed: &str) -> AuraId {
pub fn get_account_id_from_seed<TPublic: Public>(seed: &str) -> AccountId
pub fn template_session_keys(keys: AuraId) -> SessionKeys {

This could be moved to common crate, but at the moment template runtimes are not having common base (e.g. every runtime type is different). solochain does not need collator.
Maybe those functions are not really needed and all the key generation could be simplified. I did not look at this yet.

This could be done in some follow-up step.

PierreBesson · 2024-07-24T09:23:05Z

We are eager to have this merged to improve the parachain developer experience. This will allow customizing chainspecs for launching networks in a generic and easy way without requiring the node binary just the chain-spec-builder + runtime file.

michalkucharczyk · 2024-07-24T10:09:34Z

@skunert @kianenigma what is your opinion - could we merge it and improve it further in follow-up PRs?

paritytech-cicd-pr · 2024-07-24T10:12:15Z

The CI pipeline was cancelled due to failure one of the required jobs.
Job name: cargo-clippy
Logs: https://gitlab.parity.io/parity/mirrors/polkadot-sdk/-/jobs/6796229

skunert

From my side looks good, I think we can merge this.

kianenigma · 2024-08-02T16:13:38Z

Oh, I also did something similar to this as a part of #5117, and in fact wanted to extract it into a separate PR!

But great to see it already exist, review will follow now.

templates/parachain/runtime/src/genesis_config_presets.rs

kianenigma · 2024-08-02T16:18:24Z

templates/parachain/runtime/src/genesis_config_presets.rs

+			),
+		],
+		vec![
+			get_account_id_from_seed::<sr25519::Public>("Alice"),


Ah i have seen this crap in a lot of places being copy pasted 🙈

Similarly, I have what I think is a better way in #5117:

sp_keyring::Keyring::iter()

re-export it from frame as well for better discover-ability.

I like it. Not sure however, if Keyring actually shall go to frame?
Let's do this in the followup - there will following work for solochain and minimal.

Some common parts need to be extracted, probably the accounts in presets can be unified somehow.
(also see #4739 (comment) which needs to be addressed).

@iulianbarbu this is a pretty easy one for you to pick up :)

@kianenigma I am a bit late to the party. Based on the context on this thread I get that we want to do something like sp_keyring::Keyring::Alice.to_account_id() for the specific line where the thread started, and in general, for creating vec's we want to create them based on sp_keyring::Keyring::iter().

I do not get the context around re-export it from 'frame' as well for better discover-ability. Maybe we can sync offline (to not pollute anymore this merged PR) and maybe open an issue (if there isn't one) which clarifies next steps.

It is about exporting that from the frame main library:

polkadot-sdk/substrate/frame/src/lib.rs

Line 171 in e002e31

pub use sp_keyring::AccountKeyring;

Which was initially proposed by @kianenigma in this (not merged) #5117 PR.

re-export it from 'frame' as well for better discover-ability basically means that you don't need extra use / crate dep (sp_keyring) when defining presets, it is just imported by frame::runtime.

I see now. Thanks!

Please also see https://github.com/paritytech/polkadot-sdk/pull/5327/files#r1758961989

I am trying re-export sp-keyring from frame in #5899, @kianenigma are you doing the similar work?

No, I am not doing a similar thing.

kianenigma

Looks good, just have a few suggestions

I think a cool and bold next step in the omni direction would be to actually feature gate the entire node in our templates, and if you run it, show you a message that would show you instead how you should run your chain with chopsticks + polkadot-parachain + chain-spec-builder + frame-omni-bencher.

I've been meaning to write some kind of a guide about how to mix the above 4 into a project and use them, but haven't managed to get it together. Perhaps it is finally time.

…plates-parachain

# Description Closes [#5790](#5790). Useful for starting nodes based on minimal/solochain when doing development or for testing omni node with less happy code paths. It is reusing the presets defined for the nodes chain specs. ## Integration Specifically useful for development/testing if generating chain-specs for `minimal` or `solochain` runtimes from `templates` directories. ## Review Notes Added `genesis_config_presets` modules for both minimal/solochain. I reused the presets defined in each node `chain_spec` module correspondingly. ### PRDOC Not sure who uses templates, maybe node devs and runtime devs at start of their learning journey, but happy to get some guidance on how to write the prdoc if needed. ### Thinking out loud I saw concerns around sharing functionality for such genesis config presets between the template chains. I think there might be a case for doing that, on the lines of this comment: #4739 (comment). I would add that `parachains-common::genesis_config_heleper` contains a few methods from those mentioned, but I am unsure if using it as a dependency for templates is correct. Feels like the comment suggests there should be a `commons` crate concerning just `templates`, which I agree with to some degree, if we assume `cumulus` needs might be driven in certain directions that are not relevant to `templates` and vice versa. However I am not so certain about this, so would welcome some thoughts, since I am seeing `parachains-common` being used already in a few runtime implementations: https://crates.io/crates/parachains-common/reverse_dependencies?page=3, so might be a good candidate already for the `common` logic. --------- Signed-off-by: Iulian Barbu <[email protected]>

parachain-template: genesis config presets added

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michalkucharczyk requested review from kianenigma and a team June 8, 2024 09:36

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michalkucharczyk added 2 commits June 8, 2024 14:52

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Merge branch 'master' into mku-presets-for-templates-parachain

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kianenigma mentioned this pull request Aug 5, 2024

Make polkadot-sdk templates OMNI and GREAT again -- part 2 #5242

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michalkucharczyk mentioned this pull request Aug 30, 2024

Moved presets to the testnet runtimes #5327

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Parent issue for stable2409 LTS release #5583

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Refactor get_account_id_from_seed / get_from_seed to one common place #5705

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templates: add genesis config presets for minimal/solochain #5868

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Update polkadot-sdk from stable2407 to stable2409 moonbeam-foundation/moonbeam#2994

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parachain-template: genesis config presets added #4739

parachain-template: genesis config presets added #4739

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