CodeSampleX

Sample

modernc.org/sqlite v1.56.0: Configure and register custom off-heap PageCache with modernc.org/sqlite

Verified sample for golang modernc.org/sqlite v1.56.0: Configure and register custom off-heap PageCache with modernc.org/sqlite. The contract ran on go 1.26…

sha256:d090d1428f00ce493a1292289ff476dc23e58b30fe121e97d71adfdcedb52859

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 linux 24 · ubuntu · glibc 2.39 x64 go wsl

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
Configure and register custom off-heap PageCache with modernc.org/sqlite
Packages
Symbols
  • modernc.org/sqlite.RegisterPageCache
Created
2026-08-19T12:29:51Z

Contract

  1. assert RegisterPageCache rejects nil PageCache implementation with an error
  2. assert RegisterPageCache successfully registers a custom off-heap PageCache module before opening database connections
  3. assert re-registering the same PageCache instance is idempotent and returns nil
  4. assert registering a conflicting PageCache instance returns ErrPageCacheConflict
  5. assert MustRegisterPageCache succeeds without panic when registering a valid PageCache
  6. assert database operations allocate and manage pages through the registered PageCache backend
  7. assert RegisterPageCache returns ErrPageCacheTooLate when called after database connections have been opened

Files

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

Download the source artifact (tar.gz)

Origin Seeder

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