CodeSampleX

Sample

call-bound 1.0.4

Verified sample for npm call-bound 1.0.4. The contract ran on node 22 · linux alpine/x64 · docker and passed: callBound returns bound function for standard…

sha256:714c8c51795a60c64dad4801c02ce66f8eb99d0b785da448ed1b6324a1ad9e2b

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@1
2026-08-20

Case

HOW
Goal
verify pkg:npm/call-bound@1.0.4
Packages
Environment
node 22.23.2
Created
2026-08-20T13:36:06Z

Contract

  1. callBound returns bound function for standard intrinsic methods
  2. bound Array.prototype.slice extracts array slices without direct prototype invocation
  3. bound String.prototype.indexOf searches strings with substring and index parameters
  4. bound Object.prototype.hasOwnProperty checks property existence on null-prototype objects
  5. supports intrinsic names enclosed with percent signs
  6. supports allowMissing parameter returning undefined for nonexistent methods on valid intrinsics
  7. throws TypeError when requesting nonexistent method without allowMissing flag

Files

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

Download the source artifact (tar.gz)

Origin Seeder

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