Iroh 98 update

[rustonbsd]

Summary by CodeRabbit

• Chores
  • Version bumped to 0.3.1
  • Updated dependencies: ed25519-dalek, iroh, iroh-gossip, and rand
  • Added getrandom dependency
  • Updated examples and tests to reflect API changes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 91c57659-ef6e-40ce-bc51-a2de33b95aee

📥 Commits

Reviewing files that changed from the base of the PR and between 0c076a2 and b814d30.

📒 Files selected for processing (2)

• Cargo.toml
• README.md

📝 Walkthrough

Walkthrough

The PR updates the crate version to 0.3.1, removes the homepage metadata field, and bumps dependencies including ed25519-dalek, iroh, iroh-gossip, and adds getrandom. Secret key generation across examples, tests, and internal crypto code is refactored to call SecretKey::generate() without explicit RNG arguments instead of passing &mut rand::rng().

Changes

Cohort / File(s)	Summary
Dependency & Version Updates Cargo.toml, README.md	Incremented version to 0.3.1, removed homepage field. Bumped ed25519-dalek (3.0.0-pre.1 → 3.0.0-pre.6), iroh/iroh-gossip (0.97 → 0.98), rand (0.9 → 0.10), and added getrandom 0.4. Reformatted tokio and tracing-subscriber feature arrays without semantic changes. Updated README examples to reflect new versions.
Example Files examples/chat.rs, examples/chat_no_wait.rs, examples/e2e_test.rs, examples/full_config.rs, examples/secret_rotation.rs, examples/simple.rs, examples/without_mergers.rs	Consistently refactored secret key generation from SecretKey::generate(&mut rand::rng()) to parameterless SecretKey::generate() across all examples.
Internal Crypto Implementation src/crypto/record.rs	Updated Record::encrypt to construct a SysRng-backed CSPRNG wrapper (UnwrapErr(SysRng)) and pass it to ed25519_dalek::SigningKey::generate instead of using rand::rng().
Test Files src/gossip/topic/topic.rs, tests/tests.rs	Updated test setup code to call SecretKey::generate() without external RNG arguments in multiple test functions.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Poem

🐰 New versions hop into place,
Dependencies updated with grace,
Keys now generate on their own,
No RNG hand-holds are shown—
A cleaner, simpler codebase zone!

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title 'Iroh 98 update' accurately describes the primary change: updating the iroh dependency from 0.97 to 0.98 across Cargo.toml, README, and examples.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

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[coderabbitai]

Actionable comments posted: 3

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@Cargo.toml`:
- Line 51: The getrandom dependency in Cargo.toml is missing the sys_rng feature
required to expose SysRng and the rand_core re-export used by
src/crypto/record.rs (SysRng and UnwrapErr); update the getrandom entry to
include "sys_rng" in its features (e.g., features = ["std", "sys_rng"]) while
keeping default-features = false so that SysRng and the rand_core items are
available to the code that imports SysRng/UnwrapErr.
- Around line 47-51: The rand dependency in Cargo.toml is missing the
"thread_rng" feature required by calls to rand::rng() (used in tests and
src/gossip/sender.rs); update the rand entry's features list to include
"thread_rng" so the crate builds with thread-local RNG support (i.e., add
"thread_rng" alongside "std" and "std_rng" in the rand = { ... features = [...]
} declaration).

In `@README.md`:
- Around line 14-22: Remove the unused rand dependency from the quick-start
Cargo snippet: delete the line containing "rand = \"0.9\"" so the example's
dependencies match the code (which no longer uses rand for key generation) and
avoid introducing a mismatched/unused direct dependency; update the dependency
list that includes anyhow, tokio, ed25519-dalek, iroh, iroh-gossip, and
distributed-topic-tracker accordingly.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 0d492a2b-af05-438d-953f-35b14cd53414

📥 Commits

Reviewing files that changed from the base of the PR and between 5841c15 and 0c076a2.

⛔ Files ignored due to path filters (1)

• Cargo.lock is excluded by !**/*.lock

📒 Files selected for processing (12)

• Cargo.toml
• README.md
• examples/chat.rs
• examples/chat_no_wait.rs
• examples/e2e_test.rs
• examples/full_config.rs
• examples/secret_rotation.rs
• examples/simple.rs
• examples/without_mergers.rs
• src/crypto/record.rs
• src/gossip/topic/topic.rs
• tests/tests.rs