CodeSampleX

Exemplo

miniz_oxide 0.8.9

Amostra verificada para cargo miniz_oxide 0.8.9. O contrato rodou em rust 1 · linux alpine/x64 · docker e passou: compress_to_vec and decompress_to_vec…

sha256:d91cf12d6d3ae226d4442d0e328dd8b6c659bf48abcdc6a281f8db99fb4a5111

Esta rede oferece uma coisa: uma amostra que compila. Ela a executou em um sandbox e guardou o recibo assinado. Não classifica nem garante nada — se o mesmo código compila onde você está, ela não mediu. Quantas chaves de assinatura distintas enviaram um recibo de contrato aprovado. Uma é só o autor; mais de uma significa que outra pessoa também o compilou. Uma chave é gerada por conta própria e não tem identidade registrada por trás, então conta chaves, não pessoas. MIT-0

Evidência de execução

O ambiente declarado e as execuções assinadas ficam separados, para você ver exatamente o que esta amostra executou e onde.

Base da evidência
Contrato assinado aprovado
Recibos de verificação
1
Chaves de assinatura que o compilaram
1
Ambiente declarado linux · alpine · musl x64 cargo

Ambientes das execuções de verificação

Ambiente Contrato Etapas Execução
rust 1 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · cargo@1rust:1-alpine@sha256:a10e64dd139b…
2026-09-19

Caso

HOW
Objetivo
verify pkg:cargo/miniz_oxide@0.8.9
Pacotes
Criado
2026-09-18T18:41:21Z

Contrato

  1. compress_to_vec and decompress_to_vec compress and restore raw DEFLATE byte streams
  2. compress_to_vec_zlib and decompress_to_vec_zlib compress and restore zlib-wrapped byte streams
  3. decompress_to_vec_with_limit succeeds when output fits within the bound and returns HasMoreOutput when exceeded
  4. decompress_to_vec rejects corrupted input data returning DecompressError with status Failed
  5. compress_to_vec accepts CompressionLevel settings including BestSpeed and BestCompression

Arquivos

  • Cargo.lock
  • Cargo.toml
  • PROMPT.md
  • csx.json
  • spec.json
  • src/lib.rs
  • test/contract.rs

Baixar o artefato de código-fonte (tar.gz)

Código-fonte

Cargo.lock
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 4

[[package]]
name = "adler2"
version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"

[[package]]
name = "miniz_oxide"
version = "0.8.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
dependencies = [
 "adler2",
]

[[package]]
name = "sample-miniz-oxide"
version = "1.0.0"
dependencies = [
 "miniz_oxide",
]
Cargo.toml
[package]
name = "sample-miniz-oxide"
version = "1.0.0"
edition = "2021"
publish = false

[dependencies]
miniz_oxide = "=0.8.9"

[[bin]]
name = "contract"
path = "test/contract.rs"
PROMPT.md
Clean-room public code sample — generation instructions

Write a brand-new, minimal, self-contained code sample in this clean-room directory.
Do not copy, paraphrase, or reference any existing project source. Work only from this spec.

A csx.json manifest scaffold already exists. Do not recreate it from memory. Preserve its case.goal, packages and symbols; fill its empty case.contract with exact assertions and correct its environment, commands and verifierAdapter for the files you generate.

Goal: verify pkg:cargo/miniz_oxide@0.8.9
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:cargo/miniz_oxide@0.8.9

Rules:
  - One focused purpose; the smallest project that proves the goal.
  - Include a contract test (test/contract.*) that runs OFFLINE and exits 0 exactly when the goal behavior works.
  - Pin every dependency with a lockfile so resolution is reproducible.
  - No secrets, credentials, or tokens. No real URLs (only example.com or localhost). No absolute paths.
  - No personal names, emails, company names, or project identifiers of any kind.
  - No binaries and no generated output (node_modules, dist, target, venv, .git, .env).
  - Keep it under 200 files and 256KB packed.
csx.json
{"case":{"caseId":"case:sha256:1738654d32446ef46cc444da5a77c31b4e9cdee8a76974d55ffd5e2602c69c86","contract":["compress_to_vec and decompress_to_vec compress and restore raw DEFLATE byte streams","compress_to_vec_zlib and decompress_to_vec_zlib compress and restore zlib-wrapped byte streams","decompress_to_vec_with_limit succeeds when output fits within the bound and returns HasMoreOutput when exceeded","decompress_to_vec rejects corrupted input data returning DecompressError with status Failed","compress_to_vec accepts CompressionLevel settings including BestSpeed and BestCompression"],"goal":"verify pkg:cargo/miniz_oxide@0.8.9","kind":"HOW","packages":["pkg:cargo/miniz_oxide@0.8.9"],"schemaVersion":1},"contractCommand":["cargo","run","--offline"],"environment":{"arch":"x64","distro":"alpine","ecosystem":"cargo","libc":"musl","os":"linux","packageManager":"cargo","schemaVersion":1},"license":"MIT-0","packages":["pkg:cargo/miniz_oxide@0.8.9"],"schemaVersion":1,"subject":"pkg:cargo/miniz_oxide@0.8.9","verifierAdapter":"cargo@1"}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:cargo/miniz_oxide@0.8.9",
  "kind": "HOW",
  "packages": [
    "pkg:cargo/miniz_oxide@0.8.9"
  ]
}
src/lib.rs
//! Clean-room verification sample for miniz_oxide.

pub use miniz_oxide::*;
test/contract.rs
use miniz_oxide::deflate::{compress_to_vec, compress_to_vec_zlib, CompressionLevel};
use miniz_oxide::inflate::{decompress_to_vec, decompress_to_vec_zlib, decompress_to_vec_with_limit, TINFLStatus};

fn main() {
    let original = b"The quick brown fox jumps over the lazy dog. Repetition repetition repetition!";

    // 1. compress_to_vec and decompress_to_vec compress and restore raw DEFLATE byte streams
    let compressed_raw = compress_to_vec(original, 6);
    assert!(!compressed_raw.is_empty());
    let decompressed_raw = decompress_to_vec(&compressed_raw).expect("raw decompress should succeed");
    assert_eq!(original, &decompressed_raw[..]);

    // 2. compress_to_vec_zlib and decompress_to_vec_zlib compress and restore zlib-wrapped byte streams
    let compressed_zlib = compress_to_vec_zlib(original, 9);
    assert!(!compressed_zlib.is_empty());
    assert_ne!(compressed_raw, compressed_zlib, "zlib header should differ from raw deflate");
    let decompressed_zlib = decompress_to_vec_zlib(&compressed_zlib).expect("zlib decompress should succeed");
    assert_eq!(original, &decompressed_zlib[..]);

    // 3. decompress_to_vec_with_limit succeeds when output fits within the bound and returns HasMoreOutput when exceeded
    let decompressed_limit = decompress_to_vec_with_limit(&compressed_raw, 1024).expect("limit decompress should succeed");
    assert_eq!(original, &decompressed_limit[..]);
    let limit_err = decompress_to_vec_with_limit(&compressed_raw, 10).expect_err("should fail when limit is smaller than output");
    assert_eq!(limit_err.status, TINFLStatus::HasMoreOutput);

    // 4. decompress_to_vec rejects corrupted input data returning DecompressError with status Failed
    let corrupted_data = vec![0x00, 0x11, 0x22, 0x33, 0x44];
    let corrupt_err = decompress_to_vec(&corrupted_data).expect_err("corrupted data should fail decompression");
    assert_eq!(corrupt_err.status, TINFLStatus::Failed);

    // 5. compress_to_vec accepts CompressionLevel settings including BestSpeed and BestCompression
    let comp_fast = compress_to_vec(original, CompressionLevel::BestSpeed as u8);
    let decomp_fast = decompress_to_vec(&comp_fast).expect("fast decompression should succeed");
    assert_eq!(original, &decomp_fast[..]);

    let comp_best = compress_to_vec(original, CompressionLevel::BestCompression as u8);
    let decomp_best = decompress_to_vec(&comp_best).expect("best compression decompression should succeed");
    assert_eq!(original, &decomp_best[..]);

    println!("All miniz_oxide contract assertions passed successfully.");
}

Seeder de origem

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