Reduce startup time in local network mode

What problem does your feature solve?

The image is used for local testing and CI testing. The startup time directly impacts a developers ability to get started, and for CI directly impacts build times.

What would you like to see?

Faster image start to the point where an account can be funded via friendbot.

What alternatives are there?

Do nothing.

cc @stellar/devx

On my own system it takes about 28 seconds to get a successful response from friendbot.

From the logs below, looks like friendbot spends about 7 seconds waiting for Horizon to start after it's told to start.

Startup time can vary, I just got 20 seconds total, RPC was ready after 16 seconds, friendbot was ready 5 seconds after that.

root@7fc53fb4b1a0:/var/log/supervisor# cat friendbot-stdout---supervisor-e5c1k4o1.log
false
Waiting for horizon to be available...
false
Waiting for horizon to be available...
false
Waiting for horizon to be available...
false
Waiting for horizon to be available...
false
Waiting for horizon to be available...
true
starting friendbot...
2025/04/10 05:00:38 Found all valid params, now creating 10 minions
time="2025-04-10T05:00:38.044Z" level=error msg="creating minion accounts: refreshing bot seqnum: getting account detail: horizon error: \"Still Ingesting\" - check horizon.Error.Problem for more information" pid=579
true
starting friendbot...
2025/04/10 05:00:38 Found all valid params, now creating 10 minions
2025/04/10 05:00:38 Creating 10 new minion accounts
2025/04/10 05:00:38 Submitted create accounts tx for 10 minions successfully
2025/04/10 05:00:38 Adding 10 minions to friendbot
time="2025-04-10T05:00:38.967Z" level=info msg="starting friendbot server - devel" pid=885
time="2025-04-10T05:00:38.967Z" level=info msg="listening on 0.0.0.0:8002" pid=885

I believe re-writing Friendbot to use RPC will achieve this goal passively. We won't need to run Horizon anymore for a lot of scenarios as well

Switching Friendbot to RPC would shave possibly 5 seconds based on the above test. I wonder if there's a way we can get an order of magnitude improvement. For example, if there's a way to get 30 seconds to 5 seconds.

This issue is stale because it has been open for 90 days with no activity.

Switching Friendbot to RPC

this would be great, created #791 to track

Switching Friendbot to RPC

Being tracked here:

Add support for using RPC instead of Horizon friendbot#5

This issue is stale because it has been open for 90 days with no activity.

Start up time has been reduced by these changes:

When Horizon is removed as a default, that'll probably be the last big thing that'll reduce start up time.

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Reduce startup time in local network mode #682

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Reduce startup time in local network mode #682

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What problem does your feature solve?

What would you like to see?

What alternatives are there?

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leighmcculloch commented on Apr 10, 2025

leighmcculloch commented on Apr 10, 2025

ifropc commented on Apr 10, 2025

leighmcculloch commented on Apr 10, 2025

github-actions commented on Jul 10, 2025

github-actions commented on Oct 9, 2025

sreuland commented on Oct 10, 2025

leighmcculloch commented on Oct 11, 2025

github-actions commented on Jan 9, 2026

leighmcculloch commented on Jan 12, 2026

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