CodeSampleX

Sample

edit WebAssembly binary AST nodes using wasm-edit

sha256:3e2a5cb18d495da969e9397b89d7c6e231bc805010f53da8e2159af01e16f0da

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…
2026-08-27

Case

HOW
Goal
edit WebAssembly binary AST nodes using wasm-edit
Packages
Symbols
  • add
  • edit
Environment
node 22.23.2
Created
2026-08-27T23:28:16Z

Contract

  1. assert add inserts AST nodes into a WebAssembly binary ArrayBuffer
  2. assert edit modifies AST nodes in-place within a WebAssembly binary ArrayBuffer
  3. assert edit removes AST nodes when path.remove() is called in visitor
  4. assert addWithAST inserts AST nodes using a pre-decoded Program AST
  5. assert editWithAST updates AST nodes using a pre-decoded Program AST

Files

  • PROMPT.md
  • csx.json
  • index.js
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.mjs

Download the source artifact (tar.gz)

Origin Seeder

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