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[feature] update proof-of-work to allow setting required rounds (#4186)

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# Description

This updates our proof-of-work middleware, NoLLaMas, to work on a more easily configurable algorithm (thank you f0x for bringing this to my attention!). Instead of requiring that a solution with pre-determined number of '0' chars be found, it now pre-computes a result with a pre-determined nonce value that it expects the client to iterate up-to. (though with some level of jitter applied, to prevent it being too-easily gamed). This allows the user to configure roughly how many hash-encode rounds they want their clients to have to complete.

## Checklist

- [x] I/we have read the [GoToSocial contribution guidelines](https://codeberg.org/superseriousbusiness/gotosocial/src/branch/main/CONTRIBUTING.md).
- [x] I/we have discussed the proposed changes already, either in an issue on the repository, or in the Matrix chat.
- [x] I/we have not leveraged AI to create the proposed changes.
- [x] I/we have performed a self-review of added code.
- [x] I/we have written code that is legible and maintainable by others.
- [x] I/we have commented the added code, particularly in hard-to-understand areas.
- [x] I/we have made any necessary changes to documentation.
- [ ] I/we have added tests that cover new code.
- [x] I/we have run tests and they pass locally with the changes.
- [x] I/we have run `go fmt ./...` and `golangci-lint run`.

Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4186
Co-authored-by: kim <grufwub@gmail.com>
Co-committed-by: kim <grufwub@gmail.com>
This commit is contained in:
kim 2025-05-26 11:57:50 +02:00 • committed by tobi
commit 326e04283a
23 changed files with 4350 additions and 160 deletions
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4
test/envparsing.sh
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@ -20,7 +20,7 @@ EXPECT=$(cat << "EOF"
"127.0.0.1/32"
],
"advanced-rate-limit-requests": 6969,
"advanced-scraper-deterrence-difficulty": 5,
"advanced-scraper-deterrence-difficulty": 500000,
"advanced-scraper-deterrence-enabled": true,
"advanced-sender-multiplier": -1,
"advanced-throttling-multiplier": -1,
@ -309,7 +309,7 @@ GTS_SYSLOG_ADDRESS='127.0.0.1:6969' \
GTS_ADVANCED_COOKIES_SAMESITE='strict' \
GTS_ADVANCED_RATE_LIMIT_EXCEPTIONS="192.0.2.0/24,127.0.0.1/32" \
GTS_ADVANCED_RATE_LIMIT_REQUESTS=6969 \
GTS_ADVANCED_SCRAPER_DETERRENCE_DIFFICULTY=5 \
GTS_ADVANCED_SCRAPER_DETERRENCE_DIFFICULTY=500000 \
GTS_ADVANCED_SCRAPER_DETERRENCE_ENABLED=true \
GTS_ADVANCED_SENDER_MULTIPLIER=-1 \
GTS_ADVANCED_THROTTLING_MULTIPLIER=-1 \