Error: Rococo development wasm not available

[brunopgalvao]

When I run:

zombienet --provider native spawn ./zombienet.toml 

according to the README in this repo, I get the following:

╔════════════════════╤════════════════════════════════════════════════════════════════════════════════════════════════════╗
║ 🧟 Zombienet 🧟    │ Initiation                                                                                         ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Provider           │ native                                                                                             ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Namespace          │ zombie-96f8a2c63c3f7edf93981a6408bb1248                                                            ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Temp Dir           │ /var/folders/vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-96f8a2c63c3f7edf93981a6408bb1248_-3657-xR… ║
╚════════════════════╧════════════════════════════════════════════════════════════════════════════════════════════════════╝
┌─────────────────────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ Pod                     │ temp                                                                                               │
├─────────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ Status                  │ Launching                                                                                          │
├─────────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ Command                 │ bash -c polkadot build-spec --chain rococo-local --disable-default-bootnode > /var/fo              │
│                         │ lders/vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-96f8a2c63c3f7edf93981a6408bb1248_-3657-xR         │
│                         │ EJet39Ivr3/cfg/rococo-local-plain.json                                                             │
└─────────────────────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
Error:  	 Error: Command failed with exit code 1: bash -c polkadot build-spec --chain rococo-local --disable-default-bootnode > /var/folders/vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-96f8a2c63c3f7edf93981a6408bb1248_-3657-xREJet39Ivr3/cfg/rococo-local-plain.json
Error: 
   0: Invalid input: Rococo development wasm not available

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.

[kianenigma]

Hey, thanks for reporting this!

Since fixes to templates should happen in the polkadot-sdk, I will transfer this issue there + assign it to the right person/project.

So far, it seems like your polkadot binary is not compiled such to have the native --chain rococo-local binary in it.

Where have you donwloaded/build it from?

[kianenigma]

It does seem like that in the released polkadot binary, the development chain-specs such as rococo are not available:

[Parity] ./polkadot-aarch64-apple-darwin build-spec --chain rococo-local
Error:
   0: Invalid input: Rococo development wasm not available

Backtrace omitted. Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.

[brunopgalvao]

Hey, thanks for reporting this!

Since fixes to templates should happen in the polkadot-sdk, I will transfer this issue there + assign it to the right person/project.

So far, it seems like your polkadot binary is not compiled such to have the native --chain rococo-local binary in it.

Where have you donwloaded/build it from?

Yes I was following the README in this repo and used the polkadot-aarch64-apple-darwin binary from the release.

[kianenigma]

I see that the omni-node package is not enabling these features, which seems to be a mistake.

Bit surprised about Polkadot -- quite likely we do the release builds with --default-features and manually re-enable the important ones.

I can understand that we want the release binary to be lean, but at the same time it is a blow to the DX to not be able to use the released polkadot binaries for testing with ZN. I think we should one defacto testing relay chain spec in the binary, be it rococo or paseo.

@brunopgalvao in the meantime though, you can edit the zombienet config to point to a rococo chain-spec json file path instead of the hardcoded one. cc @pepoviola

[brunopgalvao]

I edited the zombienet.toml file like so:

[relaychain]
default_command = "../polkadot-sdk/target/release/polkadot"
chain = "rococo-local"
chain_spec_path = "./rococo-local-plain.json"

[[relaychain.nodes]]
name = "alice"
validator = true
ws_port = 9944

[[relaychain.nodes]]
name = "bob"
validator = true
ws_port = 9955

[[parachains]]
id = 1000

[parachains.collator]
name = "charlie"
ws_port = 9988
command = "parachain-template-node"

I now get the following error:

zombienet --provider native spawn ./zombienet.toml                                                                                           
╔════════════════════╤════════════════════════════════════════════════════════════════════════════════════════════════════╗
║ 🧟 Zombienet 🧟    │ Initiation                                                                                         ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Provider           │ native                                                                                             ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Namespace          │ zombie-939a79542ac3732612b96ad9c4b6bbd2                                                            ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Temp Dir           │ /var/folders/vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-939a79542ac3732612b96ad9c4b6bbd2_-26599-0… ║
╚════════════════════╧════════════════════════════════════════════════════════════════════════════════════════════════════╝
┌─────────────────────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ Pod                     │ temp                                                                                               │
├─────────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ Status                  │ Launching                                                                                          │
├─────────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ Command                 │ bash -c parachain-template-node build-spec  --disable-default-bootnode > /var/folders              │
│                         │ /vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-939a79542ac3732612b96ad9c4b6bbd2_-26599-0eVIKO         │
│                         │ T9dBff/cfg/undefined-plain.json                                                                    │
└─────────────────────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
Error:           Error: Command failed with exit code 127: bash -c parachain-template-node build-spec  --disable-default-bootnode > /var/folders/vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-939a79542ac3732612b96ad9c4b6bbd2_-26599-0eVIKOT9dBff/cfg/undefined-plain.json
bash: parachain-template-node: command not found

Do I need to manually generate and specify the parachain chain spec as well?

Also, just to note, when I compile the polkadot-sdk repo (cargo build --release) and do not manually specify the chain spec, I get the following output:

zombienet --provider native spawn ./zombienet.toml 
╔════════════════════╤════════════════════════════════════════════════════════════════════════════════════════════════════╗
║ 🧟 Zombienet 🧟    │ Initiation                                                                                         ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Provider           │ native                                                                                             ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Namespace          │ zombie-2497f8ead679cac01db11fa648e66fca                                                            ║
╟────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Temp Dir           │ /var/folders/vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-2497f8ead679cac01db11fa648e66fca_-25690-2… ║
╚════════════════════╧════════════════════════════════════════════════════════════════════════════════════════════════════╝
┌─────────────────────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ Pod                     │ temp                                                                                               │
├─────────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ Status                  │ Launching                                                                                          │
├─────────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ Command                 │ bash -c ../polkadot-sdk/target/release/polkadot build-spec --chain rococo-local --dis              │
│                         │ able-default-bootnode > /var/folders/vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-2497f8ead6         │
│                         │ 79cac01db11fa648e66fca_-25690-21B62f1pwdhn/cfg/rococo-local-plain.json                             │
└─────────────────────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
┌────────────────────────────────────────┬────────────────────────────────────────────────────────────────────────────────┐
│ Pod                                    │ temp                                                                           │
├────────────────────────────────────────┼────────────────────────────────────────────────────────────────────────────────┤
│ Status                                 │ Ready                                                                          │
└────────────────────────────────────────┴────────────────────────────────────────────────────────────────────────────────┘
┌─────────────────────────┬────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ Pod                     │ temp-1                                                                                             │
├─────────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ Status                  │ Launching                                                                                          │
├─────────────────────────┼────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ Command                 │ bash -c parachain-template-node build-spec  --disable-default-bootnode > /var/folders              │
│                         │ /vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-2497f8ead679cac01db11fa648e66fca_-25690-21B62f         │
│                         │ 1pwdhn/cfg/undefined-plain.json                                                                    │
└─────────────────────────┴────────────────────────────────────────────────────────────────────────────────────────────────────┘
Error:           Error: Command failed with exit code 127: bash -c parachain-template-node build-spec  --disable-default-bootnode > /var/folders/vl/txnq6gdj22s9rn296z0md27w0000gn/T/zombie-2497f8ead679cac01db11fa648e66fca_-25690-21B62f1pwdhn/cfg/undefined-plain.json
bash: parachain-template-node: command not found

Notice how in the temp pod I actually get the rococo-local-plain.json chain spec but then in temp-1 I get undefined.