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@QuantumExplorer QuantumExplorer commented Jun 4, 2025

Issue being fixed or feature implemented

This update allows the document_state_transition_entropy parameter to be optional, improving flexibility in document state transitions.

What was done?

  • Changed document_state_transition_entropy from a required [u8; 32] array to an Option<[u8; 32]>.
  • Updated logic to handle cases where entropy is not provided, generating it randomly when necessary.
  • Modified the document creation and replacement transition methods to accommodate the new optional parameter.

How Has This Been Tested?

The changes were tested through existing unit tests that cover document state transitions, ensuring that both the creation and replacement scenarios function correctly with and without the entropy parameter.

Breaking Changes

None

Checklist

  • I have performed a self-review of my own code
  • I have commented my code, particularly in hard-to-understand areas
  • I have added or updated relevant unit/integration/functional/e2e tests
  • I have added ! to the title and described breaking changes in the corresponding section if my code contains any.

For repository code-owners and collaborators only

  • I have assigned this pull request to a milestone

Summary by CodeRabbit

  • New Features
    • Improved document creation and replacement process by allowing optional entropy input; if not provided, entropy is generated automatically.
  • Refactor
    • Updated document handling to distinguish between creation and replacement based on document revision, streamlining the transition process for users.

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coderabbitai bot commented Jun 4, 2025

Walkthrough

The PutDocument trait and its implementation for Document were updated to accept an optional entropy parameter for document state transitions. The logic for creating or replacing documents now generates entropy internally if not provided, and distinguishes between creation and replacement based on the document's revision. Method signatures were updated accordingly.

Changes

File(s) Change Summary
packages/rs-sdk/src/platform/transition/put_document.rs Updated PutDocument trait and Document impl: entropy parameter is now optional; logic added for entropy generation and transition type selection based on revision; method signatures updated.

Poem

In the field where documents grow,
Entropy now can ebb or flow.
If you forget, the code will make
A random seed for ID’s sake.
Creation or replace—it’s clear,
The bunny coder hops with cheer! 🐇✨

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@QuantumExplorer QuantumExplorer changed the title feat:! make document state transition entropy optional feat(sdk)!: make document state transition entropy optional Jun 4, 2025
@QuantumExplorer QuantumExplorer added this to the v2.0.0 milestone Jun 4, 2025
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Actionable comments posted: 1

🧹 Nitpick comments (2)
packages/rs-sdk/src/platform/transition/put_document.rs (2)

70-72: Simplify the revision check for better readability and safety.

The current revision check could be simplified and made more readable:

-        let transition = if self.revision().is_some()
-            && self.revision().unwrap() != INITIAL_REVISION
-        {
+        let transition = if matches!(self.revision(), Some(revision) if revision != INITIAL_REVISION) {

This approach avoids calling unwrap() and is more idiomatic Rust.


70-111: Consider refactoring for improved maintainability.

The method has grown complex with the addition of creation vs replacement logic. Consider extracting the branching logic into separate helper methods:

async fn put_to_platform(...) -> Result<StateTransition, Error> {
    let new_identity_contract_nonce = // existing logic...
    
    let transition = if self.is_replacement_scenario() {
        self.create_replacement_transition(/* params */).await?
    } else {
        self.create_creation_transition(/* params */).await?
    };
    
    transition.broadcast(sdk, Some(settings)).await?;
    Ok(transition)
}

This would improve readability and make the code easier to test and maintain.

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Reviewing files that changed from the base of the PR and between a714980 and 2bdbdc4.

📒 Files selected for processing (1)
  • packages/rs-sdk/src/platform/transition/put_document.rs (6 hunks)
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Learnt from: QuantumExplorer
PR: dashpay/platform#2257
File: packages/rs-drive-abci/src/mimic/test_quorum.rs:159-164
Timestamp: 2024-11-20T16:16:01.830Z
Learning: QuantumExplorer prefers not to receive auto-generated messages asking to post on social media.
⏰ Context from checks skipped due to timeout of 90000ms (5)
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🔇 Additional comments (3)
packages/rs-sdk/src/platform/transition/put_document.rs (3)

5-6: LGTM! Import additions are appropriate.

The added imports for random number generation and the INITIAL_REVISION constant are necessary for the new optional entropy functionality.

Also applies to: 9-9


54-54: LGTM! Implementation signatures correctly match trait updates.

The implementation method signatures are updated consistently with the trait definition changes.

Also applies to: 122-122


85-98: LGTM! Entropy generation logic is secure and correct.

The entropy generation logic properly handles the optional parameter:

  • Uses secure StdRng::from_entropy() for random generation
  • Correctly generates document ID when entropy is created
  • Properly handles document immutability through cloning

The implementation is functionally sound and follows security best practices.

@pauldelucia
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I would include in the title that we are also making put_document do Replace instead of Create if not initial revision

@QuantumExplorer QuantumExplorer changed the title feat(sdk)!: make document state transition entropy optional feat(sdk)!: make document state transition entropy optional, will do a replace if revision is not 1. Jun 4, 2025
@QuantumExplorer QuantumExplorer merged commit d28f4e7 into v2.0-dev Jun 4, 2025
47 of 49 checks passed
@QuantumExplorer QuantumExplorer deleted the featoptional-document-state-transition-entropy branch June 4, 2025 08:37
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3 participants