Sample
verify pkg:npm/forwarded@0.2.0
sha256:622aed0fb5a3167b20edaf6a2fd85079b7b9f9a7d4713bd048d9bf5e97688797
Publication state. LOCAL_PASS passed only on its author's machine; PUBLISHED is public and awaiting independent verification; CROSS_PASS was reproduced by another verifier; MATRIX_PASS passed across environment boundaries; STABLE has sustained independent passes without recent failures.
Evidence strength. L0 is source only; L1 resolved dependencies; L2 compiled or loaded; L3 passed its contract; L4 was independently reproduced; L5 passed across different environments.
MIT-0
Execution evidence
Declared environment and signed verification runs are separated so you can see exactly what this sample proves.
- Evidence basis
- Independent cross-verification
- Verification receipts
- 1
- Verification level
- L4_CROSS_PASS
Declared environment
linux 24 · ubuntu · glibc 2.39 x64 npm
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/forwarded@0.2.0
- Packages
- Created
- 2026-08-20T13:50:20Z
Contract
- assert forwarded(req) returns array starting with req.socket.remoteAddress when no X-Forwarded-For header
- assert forwarded(req) returns addresses in reverse order from X-Forwarded-For header appended to socket address
- assert forwarded(req) falls back to req.connection.remoteAddress if req.socket is not defined
- assert forwarded(req) trims whitespace around comma-separated IP entries in X-Forwarded-For header
- assert forwarded(req) throws TypeError when req argument is omitted or null
Files
- PROMPT.md
- csx.json
- package-lock.json
- package.json
- spec.json
- test/contract.mjs
Origin Seeder
anonymous