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thedavidmeister avatar thedavidmeister commented on June 12, 2024 1

@pospi @maackle next holonix release that passes tests should have a working sim2h_server binary in it, so you can run your own for testing

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maackle avatar maackle commented on June 12, 2024

Probably best to stick to n3h if it works. It's the only one that has a chance of working with zero config. i.e., set globalOptions: {network: 'n3h'} in the orchestrator config

The error you show above for n3h has to do with some native node deps, in particular:

Error: /home/pospi/projects/holo-rea/oce-holo/node_modules/better-sqlite3/build/better_sqlite3.node: undefined symbol: _ZN2v816FunctionTemplate3NewEPNS_7IsolateEPFvRKNS_20FunctionCallbackInfoINS_5ValueEEEENS_5LocalIS4_EENSA_INS_9SignatureEEEiNS_19ConstructorBehaviorE

Can you try running it in a holonix nix shell? That might help. No need to include n3h as a dep by the way.

For the other configs:

  • memory will only work with singleConductorMiddleware (importable from try-o-rama) since memory networking can't connect separate conductor processes. Not recommended at the moment.
  • websocket just plain doesn't work yet
  • sim1h will work if you also spin up a local dynamodb instance (you can run dynamodb-memory from a holochain-rust nix-shell, but that's kind of a pain if you don't already have holochain-rust cloned)
  • sim2h won't even work at the moment, because support for it hasn't made it into a holochain release yet (and you'll still have to run a local server for it)

sim1h is the most reliable, n3h is the only no-config option that may work.

bear in mind that the network config can be a string or an object with a "type" key. The former is a shortcut. So both of these are valid config values:

globalConfig: {network: 'n3h'}

and

globalConfig: {network: {type: 'sim1h', dynamo_url: 'http://localhost:9000'}}

(there is no string-only config for sim1h, only for n3h, memory, and websocket)

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pospi avatar pospi commented on June 12, 2024

I am running from within Nix- see https://github.com/holo-rea/holo-rea/blob/master/default.nix

It looks like n3h isn't present in the latest Holonix releases? :/

10:08:25 info: 
☯☯☯ [[[CONDUCTOR alice]]]
☯ response: Err(ErrorMessage { msg: "Failed to execute \"n3h\" \"--version\": Os { code: 2, kind: NotFound, message: \"No such file or directory\" }" }
☯ 
☯ 
10:08:25 info: 
☸☸☸ [[[CONDUCTOR alice]]]
☸ stack backtrace:
☸    0: <failure::backtrace::Backtrace as core::default::Default>::default::hf47ec305011f6e9a (0x5569b349e5ff)
☸    1: holochain_net::ipc::n3h::sub_check_n3h_version::h2ab800f5bc859471 (0x5569b2f5e7ea)
☸    2: holochain_net::ipc::n3h::check_n3h_version::h13c40df9f85b4ff1 (0x5569b2f5cc43)
☸    3: holochain_net::ipc::n3h::get_verify_n3h::h25bfa3c137243952 (0x5569b2f58956)
☸    4: holochain_net::ipc::spawn::ipc_spawn::h39c6fce7925fc2ea (0x5569b2f5f94d)
☸    5: holochain_conductor_api::conductor::base::Conductor::boot_from_config::hfd0813cc0f559a5f (0x5569b2c01134)
☸    6: holochain::main::h42015483a858f682 (0x5569b36e2ec4)
☸    7: std::rt::lang_start::{{closure}}::hac2398bb76549806 (0x5569b36f02a3)
☸    8: main (0x5569b36dec8e)
☸    9: __libc_start_main (0x7f03d1fafb8e)
☸   10: _start (0x5569b28ef28a)
☸   11: <unknown> (0x0))
☸ 
10:08:25 info: 
☮☮☮ [[[CONDUCTOR alice]]]
☮ response: Err(ErrorMessage { msg: "Failed to execute \"n3h\" \"--appimage-extract-and-run\" \"--version\": Os { code: 2, kind: NotFound, message: \"No such file or directory\" }" }
☮ 
☮ stack backtrace:
☮    0: <failure::backtrace::Backtrace as core::default::Default>::default::hf47ec305011f6e9a (0x5569b349e5ff)
☮    1: holochain_net::ipc::n3h::sub_check_n3h_version::h2ab800f5bc859471 (0x5569b2f5e7ea)
☮ 
10:08:25 info: 
☉☉☉ [[[CONDUCTOR alice]]]
☉    2: holochain_net::ipc::n3h::check_n3h_version::h13c40df9f85b4ff1 (0x5569b2f5cd67)
☉    3: holochain_net::ipc::n3h::get_verify_n3h::h25bfa3c137243952 (0x5569b2f58956)
☉    4: holochain_net::ipc::spawn::ipc_spawn::h39c6fce7925fc2ea (0x5569b2f5f94d)
☉    5: holochain_conductor_api::conductor::base::Conductor::boot_from_config::hfd0813cc0f559a5f (0x5569b2c01134)
☉    6: holochain::main::h42015483a858f682 (0x5569b36e2ec4)
☉    7: std::rt::lang_start::{{closure}}::hac2398bb76549806 (0x5569b36f02a3)
☉    8: main (0x5569b36dec8e)
☉    9: __libc_start_main (0x7f03d1fafb8e)
☉   10: _start (0x5569b28ef28a)
☉   11: <unknown> (0x0))
☉

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maackle avatar maackle commented on June 12, 2024

@pospi those aren't actual problems. If there is no n3h available, it will be downloaded from the internet. But not before logging that unsettling error.

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pospi avatar pospi commented on June 12, 2024

If there is no n3h available, it will be downloaded from the internet.

Hmm... not for me. Am I supposed to add it as a dependency of my test package's package.json?

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pospi avatar pospi commented on June 12, 2024

No, wait. Cleared modules, re-added "n3h": "github:holochain/n3h#0.0.20-alpha" as a dependency, seems to be chewing through tests now.

Maybe worth adding n3h to peerDependencies? Is that still a thing?

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pospi avatar pospi commented on June 12, 2024

Not major, but I am also getting a heap of n3h debug output in my logs, even with logger: false. It begins with the following comment and is quite noisy-

★ ##############################################
★ # BEGIN N3H DEBUG SNAPSHOT DUMP
★ ##############################################

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maackle avatar maackle commented on June 12, 2024

@pospi yeah I was annoyed by that too. I think the latest n3h release contains this fix: holochain/n3h#114 which turns off the debug snapshot when N3H_QUIET=1 env var is set

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pospi avatar pospi commented on June 12, 2024

It looks like we can mostly close this issue... there isn't a solution yet, but this whole API is going to change in 0.3.x anyway and I'm confident the issues outlined here will be fixed with the new networking backends.

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