CodeSampleX

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golang.org/x/net v0.42.0

검증된 샘플 — golang golang.org/x/net v0.42.0. go 1.26 · linux debian/x64 · docker에서 contract를 실행해 통과했습니다: html.Parse parses an HTML document and returns a root…

sha256:3c08d1b2974d7bf973250b4da3993fc8614387e5ce5f2155cf995613b87f3b39

이 네트워크가 제공하는 것은 하나입니다. 빌드되는 샘플. 샌드박스에서 돌리고 서명된 영수증을 보관합니다. 등급을 매기지 않고 무엇도 보증하지 않습니다 — 같은 코드가 당신 환경에서 빌드되는지는 측정한 적이 없습니다. 통과한 계약 영수증을 낸 서로 다른 서명 키의 수입니다. 하나면 작성자 혼자이고, 둘 이상이면 다른 사람도 빌드했다는 뜻입니다. 키는 스스로 만드는 것이고 뒤에 등록된 신원이 없으므로, 세는 것은 사람이 아니라 키입니다. MIT-0

실행 증거

선언된 환경과 서명된 실행을 분리해 두었습니다. 이 샘플이 무엇을 어디서 실행했는지 그대로 볼 수 있습니다.

증거 기준
서명된 컨트랙트 통과
검증 영수증
1
빌드한 서명 키
1
선언된 환경 go 1.26 linux 24 · ubuntu · glibc 2.39 x64 go 1.26 go go 1

검증 실행 환경

환경 컨트랙트 단계 실행일
go 1.26 · linux debian/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1golang:1.26@sha256:e30143be198a…		 2026-09-15

케이스

HOW
목표
verify pkg:golang/golang.org/x/net@v0.42.0
패키지
환경
go 1.26.6
생성일
2026-09-15T03:45:26Z

컨트랙트

  1. html.Parse parses an HTML document and returns a root Node with Type equal to html.DocumentNode
  2. A DocumentNode has a nil Parent and contains the top-level DoctypeNode and ElementNode as children
  3. html.Render successfully serializes a tree rooted at a DocumentNode back to an HTML string

파일

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

소스 아티팩트 내려받기 (tar.gz)

소스

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:golang/golang.org/x/net@v0.42.0
Kind: HOW

Use EXACTLY these public packages and versions:
  - pkg:golang/golang.org/x/net@v0.42.0

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:sha256:60cb200296bf171467309d48b029384c077fd971ede99646a414bbac10091e96","contract":["html.Parse parses an HTML document and returns a root Node with Type equal to html.DocumentNode","A DocumentNode has a nil Parent and contains the top-level DoctypeNode and ElementNode as children","html.Render successfully serializes a tree rooted at a DocumentNode back to an HTML string"],"goal":"verify pkg:golang/golang.org/x/net@v0.42.0","kind":"HOW","packages":["pkg:golang/golang.org/x/net@v0.42.0"],"schemaVersion":1},"contractCommand":["go","run","./test"],"environment":{"arch":"x64","distro":"ubuntu","ecosystem":"golang","language":"go","libc":"glibc","libcVersion":"2.39","os":"linux","osVersionBucket":"24","packageManager":"go","packageManagerVersion":"1.26.6","runtime":"go","runtimeVersion":"1.26.6","schemaVersion":1},"license":"MIT-0","packages":["pkg:golang/golang.org/x/net@v0.42.0"],"schemaVersion":1,"subject":"pkg:golang/golang.org/x/net@v0.42.0","verifierAdapter":"golang@1"}
go.mod
module example.com/sample

go 1.26.6

require golang.org/x/net v0.42.0
go.sum
golang.org/x/net v0.42.0 h1:jzkYrhi3YQWD6MLBJcsklgQsoAcw89EcZbJw8Z614hs=
golang.org/x/net v0.42.0/go.mod h1:FF1RA5d3u7nAYA4z2TkclSCKh68eSXtiFwcWQpPXdt8=
main.go
package main

import (
	"fmt"
	"log"
	"strings"

	"golang.org/x/net/html"
)

func main() {
	rawHTML := `<!DOCTYPE html><html><head><title>Sample</title></head><body><h1>CodeSampleX</h1></body></html>`

	doc, err := html.Parse(strings.NewReader(rawHTML))
	if err != nil {
		log.Fatalf("failed to parse HTML: %v", err)
	}

	if doc.Type == html.DocumentNode {
		fmt.Println("Parsed root node is a DocumentNode")
	}

	for child := doc.FirstChild; child != nil; child = child.NextSibling {
		switch child.Type {
		case html.DoctypeNode:
			fmt.Printf("Found Doctype child: %s\n", child.Data)
		case html.ElementNode:
			fmt.Printf("Found Element child: <%s>\n", child.Data)
		}
	}
}
spec.json
{
  "schemaVersion": 1,
  "goal": "verify pkg:golang/golang.org/x/net@v0.42.0",
  "kind": "HOW",
  "packages": [
    "pkg:golang/golang.org/x/net@v0.42.0"
  ]
}
test/contract.go
package main

import (
	"bytes"
	"fmt"
	"os"
	"strings"

	"golang.org/x/net/html"
)

func main() {
	// Assertion 1: html.Parse parses an HTML document and returns a root Node with Type equal to html.DocumentNode
	rawHTML := `<!DOCTYPE html><html><head><title>Test</title></head><body><p>Hello World</p></body></html>`
	doc, err := html.Parse(strings.NewReader(rawHTML))
	if err != nil {
		fmt.Fprintf(os.Stderr, "assertion 1 failed: html.Parse returned error: %v\n", err)
		os.Exit(1)
	}
	if doc == nil {
		fmt.Fprintf(os.Stderr, "assertion 1 failed: doc is nil\n")
		os.Exit(1)
	}
	if doc.Type != html.DocumentNode {
		fmt.Fprintf(os.Stderr, "assertion 1 failed: expected Type %v (DocumentNode), got %v\n", html.DocumentNode, doc.Type)
		os.Exit(1)
	}
	if doc.Data != "" {
		fmt.Fprintf(os.Stderr, "assertion 1 failed: expected empty Data for DocumentNode, got %q\n", doc.Data)
		os.Exit(1)
	}

	// Assertion 2: A DocumentNode has a nil Parent and contains the top-level DoctypeNode and ElementNode as children
	if doc.Parent != nil {
		fmt.Fprintf(os.Stderr, "assertion 2 failed: expected nil Parent for DocumentNode, got %v\n", doc.Parent)
		os.Exit(1)
	}

	doctypeChild := doc.FirstChild
	if doctypeChild == nil || doctypeChild.Type != html.DoctypeNode || doctypeChild.Data != "html" {
		fmt.Fprintf(os.Stderr, "assertion 2 failed: expected first child to be DoctypeNode with Data 'html', got %+v\n", doctypeChild)
		os.Exit(1)
	}
	if doctypeChild.Parent != doc {
		fmt.Fprintf(os.Stderr, "assertion 2 failed: expected doctype child Parent to point to DocumentNode\n")
		os.Exit(1)
	}

	htmlElemChild := doctypeChild.NextSibling
	if htmlElemChild == nil || htmlElemChild.Type != html.ElementNode || htmlElemChild.Data != "html" {
		fmt.Fprintf(os.Stderr, "assertion 2 failed: expected second child to be ElementNode <html>, got %+v\n", htmlElemChild)
		os.Exit(1)
	}
	if htmlElemChild.Parent != doc {
		fmt.Fprintf(os.Stderr, "assertion 2 failed: expected html elem child Parent to point to DocumentNode\n")
		os.Exit(1)
	}

	// Assertion 3: html.Render successfully serializes a tree rooted at a DocumentNode back to an HTML string
	var buf bytes.Buffer
	if err := html.Render(&buf, doc); err != nil {
		fmt.Fprintf(os.Stderr, "assertion 3 failed: html.Render returned error: %v\n", err)
		os.Exit(1)
	}
	rendered := buf.String()
	expected := `<!DOCTYPE html><html><head><title>Test</title></head><body><p>Hello World</p></body></html>`
	if rendered != expected {
		fmt.Fprintf(os.Stderr, "assertion 3 failed: expected rendered HTML %q, got %q\n", expected, rendered)
		os.Exit(1)
	}

	fmt.Println("All contract assertions passed.")
}

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