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feat: support for wasm extension bridge#3814

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arcbtc wants to merge 4 commits intodevfrom
wasm_minimal
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feat: support for wasm extension bridge#3814
arcbtc wants to merge 4 commits intodevfrom
wasm_minimal

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@arcbtc arcbtc commented Feb 25, 2026 •
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Facilitates https://github.com/lnbits/wasm parent extension
Once WASM extension is installed extensions like https://github.com/lnbits/paidtasks can be vibe coded, not vetted and shared safely.

In two minds over this pr/concept.

  • Extensions with permissions is very useful
  • Giving permission for spending can cause a lot of damage and having as a wasm makes it impossible to review
  • The wasm not having access to system files, envs and having its processing restricted adds a lot of value.
  • Building an extension using the extension builder and python in MUCH easier (maybe the wasm framework just needs a little more work to be made easier)

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codecov Bot commented Mar 11, 2026 •
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Codecov Report

❌ Patch coverage is 10.63830% with 84 lines in your changes missing coverage. Please review.
✅ Project coverage is 56.20%. Comparing base (1f98aa2) to head (3aa01d9).

Files with missing lines Patch % Lines
lnbits/app.py 5.26% 36 Missing ⚠️
lnbits/core/helpers.py 4.16% 23 Missing ⚠️
lnbits/core/views/extension_api.py 11.53% 23 Missing ⚠️
lnbits/tasks.py 33.33% 2 Missing ⚠️
Additional details and impacted files 
@@            Coverage Diff             @@
##              dev    #3814      +/-   ##
==========================================
- Coverage   56.44%   56.20%   -0.25%     
==========================================
  Files         123      123              
  Lines       16943    17037      +94     
==========================================
+ Hits         9564     9576      +12     
- Misses       7379     7461      +82

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@arcbtc
make
3aa01d9 
add wasmtime


bundle


mypy fix


mypy


mypy


pyright


pyright


pyright


make


lock file
@arcbtc arcbtc marked this pull request as ready for review March 11, 2026 23:47
@arcbtc arcbtc changed the title feat: minimal settings for wasm extension bridge feat: support for wasm extension bridge Mar 12, 2026
@motorina0 motorina0 marked this pull request as draft March 19, 2026 08:40
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