fix: add missing license fields for cargo-deny audit

[xdustinface]

Adds license = "CC0-1.0" to fuzz/Cargo.toml and rpc-integration-test/Cargo.toml to pass cargo-deny license checks added in the CI overhaul PR #253.

Summary by CodeRabbit

• Chores
  • Added CC0-1.0 license metadata to project package manifests across repository components.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

📝 Walkthrough

Walkthrough

Added license = "CC0-1.0" metadata to package manifests and a related script; no behavioral or runtime changes.

Changes

Cohort / File(s)	Summary
License metadata addition fuzz/Cargo.toml, rpc-integration-test/Cargo.toml	Added license = "CC0-1.0" to the [package] section in each manifest.
Related script update fuzz/generate-files.sh	Script updated (references/outputs) to reflect the fuzz/Cargo.toml manifest change.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 I nibble metadata, neat and bright,
Two manifests wear CC0 tonight,
A tiny hop, a license clear,
Public domain — the meadow cheer! ✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'fix: add missing license fields for cargo-deny audit' accurately describes the main change—adding license fields to Cargo.toml files to resolve cargo-deny audit requirements.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/cargo-deny

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between c6f8398 and bf6389a.

📒 Files selected for processing (1)

• fuzz/generate-files.sh

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (18)

• GitHub Check: fuzz (hashes_ripemd160)
• GitHub Check: fuzz (hashes_sha1)
• GitHub Check: fuzz (hashes_sha512)
• GitHub Check: fuzz (hashes_sha256)
• GitHub Check: SPV Components Tests
• GitHub Check: RPC Tests (stable, true)
• GitHub Check: fuzz (dash_deserialize_script)
• GitHub Check: Core Components Tests
• GitHub Check: fuzz (dash_deserialize_block)
• GitHub Check: fuzz (hashes_json)
• GitHub Check: fuzz (dash_outpoint_string)
• GitHub Check: fuzz (hashes_cbor)
• GitHub Check: fuzz (dash_deserialize_address)
• GitHub Check: fuzz (dash_script_bytes_to_asm_fmt)
• GitHub Check: fuzz (dash_deserialize_amount)
• GitHub Check: fuzz (dash_deser_net_msg)
• GitHub Check: Pre-commit (ubuntu-latest)
• GitHub Check: Pre-commit (macos-latest)

🔇 Additional comments (1)

fuzz/generate-files.sh (1)

17-17: License field correctly added.

The license = "CC0-1.0" field is correctly placed in the [package] section of the generated fuzz/Cargo.toml and will satisfy cargo-deny audit requirements. CC0-1.0 (public domain dedication) is the standard choice across the project's test and fuzz crates.

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Actionable comments posted: 1

📜 Review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 3884314 and c6f8398.

📒 Files selected for processing (2)

• fuzz/Cargo.toml
• rpc-integration-test/Cargo.toml

🧰 Additional context used

📓 Path-based instructions (1)

**/*.{rs,toml}

📄 CodeRabbit inference engine (CLAUDE.md)

Never hardcode network parameters, addresses, or keys

Files:

• rpc-integration-test/Cargo.toml
• fuzz/Cargo.toml

🧠 Learnings (1)

📚 Learning: 2025-12-22T17:59:37.849Z

Learnt from: CR
Repo: dashpay/rust-dashcore PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-22T17:59:37.849Z
Learning: Applies to Cargo.toml : The API is currently unstable (version 0.x.x) and breaking changes may occur in minor version updates

Applied to files:

• rpc-integration-test/Cargo.toml
• fuzz/Cargo.toml

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (19)

• GitHub Check: fuzz (dash_deserialize_amount)
• GitHub Check: fuzz (dash_deserialize_script)
• GitHub Check: fuzz (hashes_sha512_256)
• GitHub Check: fuzz (hashes_sha1)
• GitHub Check: fuzz (hashes_json)
• GitHub Check: fuzz (dash_deser_net_msg)
• GitHub Check: fuzz (hashes_sha512)
• GitHub Check: fuzz (dash_deserialize_address)
• GitHub Check: fuzz (dash_script_bytes_to_asm_fmt)
• GitHub Check: fuzz (dash_deserialize_witness)
• GitHub Check: fuzz (hashes_sha256)
• GitHub Check: fuzz (hashes_cbor)
• GitHub Check: fuzz (dash_deserialize_block)
• GitHub Check: fuzz (hashes_ripemd160)
• GitHub Check: fuzz (dash_outpoint_string)
• GitHub Check: Key Wallet Components Tests
• GitHub Check: Pre-commit (ubuntu-latest)
• GitHub Check: Pre-commit (macos-latest)
• GitHub Check: RPC Tests (stable, true)

🔇 Additional comments (1)

rpc-integration-test/Cargo.toml (1)

4-4: LGTM! License field addition satisfies cargo-deny requirements.

The CC0-1.0 license (public domain dedication) is appropriate for test code and resolves the cargo-deny audit requirement mentioned in the PR objectives.