feat(sdk): added transfer transition to rs-sdk #2289
Conversation
|
Caution Review failedThe pull request is closed. WalkthroughThe changes in this pull request enhance the Changes
Possibly related PRs
Suggested labels
Suggested reviewers
Thank you for using CodeRabbit. We offer it for free to the OSS community and would appreciate your support in helping us grow. If you find it useful, would you consider giving us a shout-out on your favorite social media? 🪧 TipsChatThere are 3 ways to chat with CodeRabbit:
Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments. CodeRabbit Commands (Invoked using PR comments)
Other keywords and placeholders
CodeRabbit Configuration File (
|
![coderabbitai[bot]](https://avatars.githubusercontent.com/in/347564?s=60&v=4){kind=small}
There was a problem hiding this comment.
Actionable comments posted: 7
🧹 Outside diff range and nitpick comments (5)
packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/v2.rs (1)
7-7: Consider simplifying the field name.
Based on previous feedback in similar contexts, since this field is already within the identity state transitions scope, the identity_to_identity prefix might be redundant. Consider simplifying to just transfer_transition.
- identity_to_identity_transfer_transition: 0,
+ transfer_transition: 0,packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/methods/v0/mod.rs (1)
16-26: Consider adding parameter documentation.
The method signature is well-structured, but would benefit from documentation explaining:
- Parameter requirements and constraints
- The purpose of the optional parameters
- Expected error conditions
Add rustdoc comments like this:
/// Creates a new identity credit transfer transition.
///
/// # Parameters
/// * `identity` - The source identity initiating the transfer
/// * `to_identity_with_identifier` - The destination identity identifier
/// * `amount` - The amount of credits to transfer
/// * `user_fee_increase` - Fee configuration for the transaction
/// * `signer` - Implementation handling the transaction signing
/// * `signing_withdrawal_key_to_use` - Optional specific key for signing
/// * `nonce` - Transaction nonce for replay protection
/// * `platform_version` - Platform version reference
/// * `version` - Optional feature version override
///
/// # Returns
/// A Result containing either the created StateTransition or a ProtocolErrorpackages/rs-sdk/src/platform/transition/transfer.rs (2)
25-25: Clarify the purpose of signing_transfer_key_to_use
Consider adding more detail to explain how signing_transfer_key_to_use affects the transfer process, especially in cases where it is None.
9-11: Optimize imports by grouping
Consider grouping imports from the same module to enhance readability.
Apply this diff to group the imports:
use dpp::identity::signer::Signer;
-use dpp::identity::{Identity, IdentityPublicKey};
-use dpp::state_transition::identity_credit_transfer_transition::methods::IdentityCreditTransferTransitionMethodsV0;
-use dpp::state_transition::identity_credit_transfer_transition::IdentityCreditTransferTransition;
+use dpp::identity::{Identity, IdentityPublicKey, signer::Signer};
+use dpp::state_transition::identity_credit_transfer_transition::{
+ IdentityCreditTransferTransition,
+ methods::IdentityCreditTransferTransitionMethodsV0,
+};
use dpp::state_transition::proof_result::StateTransitionProofResult;packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/v0/v0_methods.rs (1)
19-81: Simplify feature gating by moving the attribute to the impl block
Since the entire impl block for IdentityCreditTransferTransitionMethodsV0 depends on the state-transition-signing feature (as it contains only the try_from_identity method), consider moving the #[cfg(feature = "state-transition-signing")] attribute from the method level (line 20) to the impl block level (line 19). This enhances readability and ensures any future methods added to this implementation are correctly feature-gated.
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
📒 Files selected for processing (8)
- packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/methods/mod.rs (1 hunks)
- packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/methods/v0/mod.rs (1 hunks)
- packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/v0/v0_methods.rs (1 hunks)
- packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/mod.rs (1 hunks)
- packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/v1.rs (1 hunks)
- packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/v2.rs (1 hunks)
- packages/rs-sdk/src/platform/transition.rs (1 hunks)
- packages/rs-sdk/src/platform/transition/transfer.rs (1 hunks)
🧰 Additional context used
📓 Learnings (1)
packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/v2.rs (2)
Learnt from: shumkov
PR: dashpay/platform#2201
File: packages/rs-platform-version/src/version/v2.rs:1186-1188
Timestamp: 2024-10-03T11:51:06.980Z
Learning: In the `IdentityTransitionVersions` structure within `packages/rs-platform-version/src/version/v2.rs`, the field `credit_withdrawal` does not need the `identity_` prefix since it is already encompassed within identity state transitions.
Learnt from: shumkov
PR: dashpay/platform#2201
File: packages/rs-platform-version/src/version/v2.rs:1186-1188
Timestamp: 2024-10-09T00:22:57.778Z
Learning: In the `IdentityTransitionVersions` structure within `packages/rs-platform-version/src/version/v2.rs`, the field `credit_withdrawal` does not need the `identity_` prefix since it is already encompassed within identity state transitions.
🔇 Additional comments (7)
packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/mod.rs (1)
10-10: LGTM! Verify version initialization in related modules.
The new field follows the established pattern and integrates well with the existing structure. The change aligns with the PR objective of adding transfer transition capability.
Let's verify the version initialization in the related modules:
✅ Verification successful
The new field is properly initialized in both version modules ✅
The verification confirms that identity_to_identity_transfer_transition is correctly initialized:
- In v1.rs with version
0 - In v2.rs with version
0
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify that the new field is properly initialized in v1.rs and v2.rs
# Test: Check version initialization in v1.rs and v2.rs
echo "Checking version initialization in v1.rs and v2.rs:"
rg -A 10 "STATE_TRANSITION_CONVERSION_VERSIONS_V[12]" packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/v*.rs
Length of output: 2815
packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/v1.rs (1)
7-7: LGTM! Verify version consistency across codebase.
The addition of identity_to_identity_transfer_transition with version 0 is well-structured and aligns with the PR objectives for adding transfer capability.
Let's verify the version number consistency across the codebase:
✅ Verification successful
Version numbers are consistent across the codebase
The verification confirms that identity_to_identity_transfer_transition is consistently set to version 0 in both v1.rs and v2.rs files, which is appropriate for a new feature introduction. The field is also properly defined in the mod.rs file.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check version numbers used for identity_to_identity_transfer_transition across different version files
# Test: Search for all occurrences of the new transition field
# Expect: Consistent version numbers across v1.rs, v2.rs, and other version files
rg -A 1 "identity_to_identity_transfer_transition:" packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/
Length of output: 1111
packages/rs-platform-version/src/version/dpp_versions/dpp_state_transition_conversion_versions/v2.rs (1)
7-7: LGTM! Version number is consistent.
The initial version number of 0 for the new transition type aligns with the versioning pattern used for other transition types in the structure.
packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/methods/v0/mod.rs (1)
1-10: LGTM! Well-organized imports with proper feature gating.
The imports are correctly organized and appropriately gated behind the state-transition-signing feature flag where necessary.
packages/rs-sdk/src/platform/transition/transfer.rs (1)
42-42: Error handling for nonce retrieval
Ensure that the error returned by sdk.get_identity_nonce provides sufficient context for debugging in case of failure.
Run the following script to check how errors are handled when retrieving the nonce:
✅ Verification successful
Based on the gathered information, I can now provide the final response:
Error handling for nonce retrieval is properly implemented
The get_identity_nonce implementation includes comprehensive error handling through a well-defined Error enum that provides detailed context:
- Network errors are captured via
DapiClientError - Protocol-related issues are handled through
Protocolvariant - Drive and proof verification errors have dedicated variants
- All error variants include descriptive messages
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Verify error handling for identity nonce retrieval.
# Expected: Find all instances where `get_identity_nonce` is called and ensure errors are handled appropriately.
rg "get_identity_nonce\(.*\)\.await\?\s*\?" -A 5
Length of output: 50
Script:
#!/bin/bash
# Let's try a simpler pattern to find get_identity_nonce usage
rg "get_identity_nonce" -A 5
# Also search for the implementation to understand error handling
ast-grep --pattern 'fn get_identity_nonce($$$) { $$$ }'
Length of output: 15754
Script:
#!/bin/bash
# Let's check the implementation of get_identity_nonce in the SDK
rg -A 20 "pub async fn get_identity_nonce" packages/rs-sdk/src/sdk.rs
Length of output: 953
Script:
#!/bin/bash
# Let's see the complete implementation and error handling
rg -A 50 "pub async fn get_identity_nonce" packages/rs-sdk/src/sdk.rs
# Also check for Error type definition
rg "pub enum Error" packages/rs-sdk/src/
Length of output: 2187
Script:
#!/bin/bash
# Let's check the Error enum definition
rg -A 20 "pub enum Error" packages/rs-sdk/src/error.rs
Length of output: 786
packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/v0/v0_methods.rs (2)
32-41: Initialization of IdentityCreditTransferTransitionV0 is correct
The construction of the IdentityCreditTransferTransitionV0 instance includes all necessary fields and correctly initializes the state transition.
73-77: Verify the use of None for security level requirement in sign_external
In the transition.sign_external call, the security_level_requirement parameter is set to None (line 76). Ensure that this is intentional and that bypassing the security level requirement aligns with the desired security model.
| @@ -9,6 +9,7 @@ pub mod put_document; | |||
| pub mod put_identity; | |||
| pub mod put_settings; | |||
| pub mod top_up_identity; | |||
| mod transfer; | |||
There was a problem hiding this comment.
Consider making the transfer module public.
The module should be declared as pub mod transfer; instead of mod transfer; since:
- This is a new feature for credit transfers that needs to be accessible to users of the SDK
- Other transfer-related modules in this file (e.g.,
transfer_document) are public - Making it private might limit the usability of the credit transfer feature
Apply this diff to fix the visibility:
-mod transfer;
+pub mod transfer;📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| mod transfer; | |
| pub mod transfer; |
| fn try_from_identity<S: Signer>( | ||
| identity: &Identity, | ||
| to_identity_with_identifier: Identifier, | ||
| amount: u64, |
There was a problem hiding this comment.
💡 Codebase verification
Based on the searches performed, we haven't found any existing validation for the amount in the credit transfer transition. Since this involves financial operations (credit transfers between identities), proper validation is crucial for security and system integrity. Let me generate the final response:
Amount validation is required for secure credit transfers
The current implementation lacks essential validations for the credit transfer amount:
- No minimum amount validation to prevent dust transfers
- No maximum limit checks to prevent excessive transfers
- No balance verification against the source identity's available credits
These validations are crucial for maintaining system integrity and preventing potential abuse of the credit transfer mechanism.
🔗 Analysis chain
Consider adding amount validation.
The amount parameter is defined as u64 without apparent validation. Consider whether there should be:
- Minimum transfer amount validation
- Maximum transfer limit checks
- Balance verification against the source identity
Let's check if there are any existing amount validations:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for amount validation patterns in the codebase
rg -A 5 "amount.*validate|validate.*amount"
Length of output: 45
Script:
#!/bin/bash
# Let's search for any validation related to amount in the identity credit transfer
rg -A 10 "amount" packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/
# Also check for any validation traits or implementations
ast-grep --pattern 'impl Validate for IdentityCreditTransferTransition'
Length of output: 16013
Script:
#!/bin/bash
# Let's search for validation implementations in the state transition module
rg -A 10 "impl.*Validate.*IdentityCreditTransfer"
# Also check for any balance or credit validation patterns
rg -A 10 "validate.*balance|balance.*check|credit.*check" packages/rs-dpp/src/state_transition/
Length of output: 149
Script:
#!/bin/bash
# Let's check for validation modules and state validation
rg -A 10 "validate" packages/rs-dpp/src/state_transition/state_transitions/identity/identity_credit_transfer_transition/
# Also search for any validation traits or state validation modules
fd validation packages/rs-dpp/src/state_transition/ --exec rg -l "IdentityCreditTransfer"
# Check for any balance or credit related validation in validation modules
fd validation packages/rs-dpp/src/state_transition/ --exec rg -A 5 "amount|balance|credit" {}
Length of output: 1354
| match version.unwrap_or( | ||
| platform_version | ||
| .dpp | ||
| .state_transition_conversion_versions | ||
| .identity_to_identity_transfer_transition, | ||
| ) { | ||
| 0 => Ok(IdentityCreditTransferTransitionV0::try_from_identity( | ||
| identity, | ||
| to_identity_with_identifier, | ||
| amount, | ||
| user_fee_increase, | ||
| signer, | ||
| signing_withdrawal_key_to_use, | ||
| nonce, | ||
| platform_version, | ||
| version, | ||
| )?), | ||
| version => Err(ProtocolError::UnknownVersionMismatch { | ||
| method: "IdentityCreditTransferTransition::try_from_identity".to_string(), | ||
| known_versions: vec![0], | ||
| received: version, | ||
| }), |
There was a problem hiding this comment.
Fix variable shadowing of version to prevent type confusion
The variable version is being shadowed within the match expression, changing it from Option<FeatureVersion> to FeatureVersion (u16). This can lead to confusion and potential bugs, especially when passing version to try_from_identity, which expects an Option<FeatureVersion>. To avoid this, consider renaming the unwrapped version to version_value and updating the error handling accordingly.
Apply this diff to fix the issue:
33- match version.unwrap_or(
34- platform_version
35- .dpp
36- .state_transition_conversion_versions
37- .identity_to_identity_transfer_transition,
38- ) {
39- 0 => Ok(IdentityCreditTransferTransitionV0::try_from_identity(
40- identity,
41- to_identity_with_identifier,
42- amount,
43- user_fee_increase,
44- signer,
45- signing_withdrawal_key_to_use,
46- nonce,
47- platform_version,
48- version,
49- )?),
50- version => Err(ProtocolError::UnknownVersionMismatch {
51- method: "IdentityCreditTransferTransition::try_from_identity".to_string(),
52- known_versions: vec![0],
53- received: version,
54- }),
55- }
+ let version_value = version.unwrap_or(
+ platform_version
+ .dpp
+ .state_transition_conversion_versions
+ .identity_to_identity_transfer_transition,
+ );
+ match version_value {
+ 0 => Ok(IdentityCreditTransferTransitionV0::try_from_identity(
+ identity,
+ to_identity_with_identifier,
+ amount,
+ user_fee_increase,
+ signer,
+ signing_withdrawal_key_to_use,
+ nonce,
+ platform_version,
+ version,
+ )?),
+ unknown_version => Err(ProtocolError::UnknownVersionMismatch {
+ method: "IdentityCreditTransferTransition::try_from_identity".to_string(),
+ known_versions: vec![0],
+ received: unknown_version,
+ }),
+ }📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| match version.unwrap_or( | |
| platform_version | |
| .dpp | |
| .state_transition_conversion_versions | |
| .identity_to_identity_transfer_transition, | |
| ) { | |
| 0 => Ok(IdentityCreditTransferTransitionV0::try_from_identity( | |
| identity, | |
| to_identity_with_identifier, | |
| amount, | |
| user_fee_increase, | |
| signer, | |
| signing_withdrawal_key_to_use, | |
| nonce, | |
| platform_version, | |
| version, | |
| )?), | |
| version => Err(ProtocolError::UnknownVersionMismatch { | |
| method: "IdentityCreditTransferTransition::try_from_identity".to_string(), | |
| known_versions: vec![0], | |
| received: version, | |
| }), | |
| let version_value = version.unwrap_or( | |
| platform_version | |
| .dpp | |
| .state_transition_conversion_versions | |
| .identity_to_identity_transfer_transition, | |
| ); | |
| match version_value { | |
| 0 => Ok(IdentityCreditTransferTransitionV0::try_from_identity( | |
| identity, | |
| to_identity_with_identifier, | |
| amount, | |
| user_fee_increase, | |
| signer, | |
| signing_withdrawal_key_to_use, | |
| nonce, | |
| platform_version, | |
| version, | |
| )?), | |
| unknown_version => Err(ProtocolError::UnknownVersionMismatch { | |
| method: "IdentityCreditTransferTransition::try_from_identity".to_string(), | |
| known_versions: vec![0], | |
| received: unknown_version, | |
| }), | |
| } |
| match result { | ||
| StateTransitionProofResult::VerifiedPartialIdentity(identity) => { | ||
| identity.balance.ok_or(Error::DapiClientError( | ||
| "expected an identity balance after transfer".to_string(), | ||
| )) | ||
| } | ||
| _ => Err(Error::DapiClientError("proved a non identity".to_string())), | ||
| } |
There was a problem hiding this comment.
Improve error messages for clarity
The error messages could be made more descriptive to aid in debugging.
Apply this diff to enhance the error messages:
identity.balance.ok_or(Error::DapiClientError(
- "expected an identity balance after transfer".to_string(),
+ "Expected an identity balance after transfer but found None.".to_string(),
))
}
- _ => Err(Error::DapiClientError("proved a non identity".to_string())),
+ _ => Err(Error::DapiClientError("State transition proof result is not a VerifiedPartialIdentity.".to_string())),
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| match result { | |
| StateTransitionProofResult::VerifiedPartialIdentity(identity) => { | |
| identity.balance.ok_or(Error::DapiClientError( | |
| "expected an identity balance after transfer".to_string(), | |
| )) | |
| } | |
| _ => Err(Error::DapiClientError("proved a non identity".to_string())), | |
| } | |
| match result { | |
| StateTransitionProofResult::VerifiedPartialIdentity(identity) => { | |
| identity.balance.ok_or(Error::DapiClientError( | |
| "Expected an identity balance after transfer but found None.".to_string(), | |
| )) | |
| } | |
| _ => Err(Error::DapiClientError("State transition proof result is not a VerifiedPartialIdentity.".to_string())), | |
| } |
| /// If signing_withdrawal_key_to_use is not set, we will try to use one in the signer that is | ||
| /// available for the transfer |
There was a problem hiding this comment.
Inconsistent naming in the documentation comment
The parameter is named signing_transfer_key_to_use, but the comment refers to signing_withdrawal_key_to_use. To avoid confusion, please update the comment to match the parameter name.
Apply this diff to fix the inconsistency:
/// If signing_transfer_key_to_use is not set, we will try to use one in the signer that is
-/// available for the transfer
+/// available for the transfer.Committable suggestion was skipped due to low confidence.
| let user_fee_increase = settings.and_then(|settings| settings.user_fee_increase); | ||
| let state_transition = IdentityCreditTransferTransition::try_from_identity( | ||
| self, | ||
| to_identity_id, | ||
| amount, | ||
| user_fee_increase.unwrap_or_default(), | ||
| signer, |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Handle user_fee_increase more explicitly
Currently, user_fee_increase is extracted using and_then and defaults to zero if None. Consider handling the absence of user_fee_increase more explicitly to improve code readability.
Refactor the code as follows:
- let user_fee_increase = settings.and_then(|settings| settings.user_fee_increase);
- let state_transition = IdentityCreditTransferTransition::try_from_identity(
- self,
- to_identity_id,
- amount,
- user_fee_increase.unwrap_or_default(),
+ let user_fee_increase = settings
+ .and_then(|s| s.user_fee_increase)
+ .unwrap_or_default();
+ let state_transition = IdentityCreditTransferTransition::try_from_identity(
+ self,
+ to_identity_id,
+ amount,
+ user_fee_increase,📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| let user_fee_increase = settings.and_then(|settings| settings.user_fee_increase); | |
| let state_transition = IdentityCreditTransferTransition::try_from_identity( | |
| self, | |
| to_identity_id, | |
| amount, | |
| user_fee_increase.unwrap_or_default(), | |
| signer, | |
| let user_fee_increase = settings | |
| .and_then(|s| s.user_fee_increase) | |
| .unwrap_or_default(); | |
| let state_transition = IdentityCreditTransferTransition::try_from_identity( | |
| self, | |
| to_identity_id, | |
| amount, | |
| user_fee_increase, | |
| signer, |
| "specified withdrawal public key cannot be used for signing" | ||
| .to_string(), |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Enhance error messages for improved clarity
The current error messages:
"specified withdrawal public key cannot be used for signing"(lines 50-51)"no transfer public key"(line 66)
are generic and may not provide sufficient context during debugging. Consider including additional details such as the key ID, expected key purposes, or security levels to help developers quickly identify the issue.
Also applies to: 66-67
QuantumExplorer
changed the title
Issue being fixed or feature implemented
There was no ability to transfer credits in rs-sdk
What was done?
Added ability to transfer credits to rs-sdk.
How Has This Been Tested?
Breaking Changes
Not breaking.
Checklist:
For repository code-owners and collaborators only
Summary by CodeRabbit
Release Notes
New Features
transfermodule for state transitions related to identity credit transfers.TransferToIdentitytrait with an asynchronous methodtransfer_creditsfor transferring credits between identities.Improvements
DPPStateTransitionConversionVersionsstructure to include a new transition type related to identity transfers.