CodeSampleX

Sample

verify pkg:golang/github.com/jackc/pgx/v5@v5.10.0

sha256:ef51dd8fdce8ad620fdc46b83a463116a8a6e4463ddffa58679525c5cb1e5762

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 windows 11 x64 go

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1
2026-08-19

Case

HOW
Goal
verify pkg:golang/github.com/jackc/pgx/v5@v5.10.0
Packages
Symbols
  • github.com/jackc/pgx/v5.CopyFromRows
  • github.com/jackc/pgx/v5.CopyFromSlice
  • github.com/jackc/pgx/v5.StrictNamedArgs
Created
2026-08-18T20:46:34Z

Contract

  1. pgx.CopyFromRows initializes a CopyFromSource from slice of row values
  2. pgx.CopyFromRows Next and Values iterate through all rows in order
  3. pgx.CopyFromSlice wraps slice length and row mapping function
  4. pgx.CopyFromSlice correctly maps index to row values during Next iteration
  5. pgx.CopyFromSlice returns false on Next when reaching end of slice with nil Err
  6. pgx.StrictNamedArgs stores named parameters for parameterized queries

Files

  • PROMPT.md
  • csx.json
  • go.mod
  • go.sum
  • main.go
  • spec.json
  • test/contract.go

Download the source artifact (tar.gz)

Origin Seeder

anonymous