CodeSampleX

Sample

Parse and validate PostgreSQL connection strings with pgx.ParseConfig

sha256:635ee57d2105b7b06fdc9856eccd2fd70bac83aec99fdf20c8758bd8887a463e

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
Parse and validate PostgreSQL connection strings with pgx.ParseConfig
Packages
Symbols
  • ParseConfig
Created
2026-08-19T07:57:32Z

Contract

  1. pgx.ParseConfig parses standard PostgreSQL connection URI with credentials and database
  2. pgx.ParseConfig parses key-value DSN connection strings
  3. pgx.ParseConfig extracts runtime parameters such as application_name and search_path
  4. pgx.ParseConfig applies default port 5432 when omitted in URI
  5. pgx.ParseConfig returns an error when given an invalid connection string or port

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous