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WIP: integrating oracle #2

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@yarikbratashchuk yarikbratashchuk commented Oct 15, 2024

Work in progress on Rollkit unstoppable app.

The idea is “Prediction market on a prediction market”
Features:

Summary by CodeRabbit

Release Notes

  • New Features

    • Integrated oracle and market mapping functionalities into the application.
    • Added a new service, local-sequencer, to the Docker Compose configuration.
    • Introduced a configuration section for oracles, enhancing data management capabilities.
    • Added methods for initializing and fetching data from oracle clients and managing Ethereum contracts.
    • Created a new JSON file for validator creation in the Cosmos network.
    • Introduced a new configuration file for smart contract deployment parameters.
  • Bug Fixes

    • Improved error handling for oracle client initialization and data fetching.
  • Configuration Changes

    • Updated various configuration files to reflect new parameters and service integrations, including pruning and state synchronization settings.
    • Restricted API and RPC server access to local connections for enhanced security.

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coderabbitai bot commented Oct 15, 2024

Walkthrough

The changes introduced in this pull request enhance the application by integrating oracle and market mapping functionalities. Key modifications include updates to the App structure in app/app.go, the addition of new modules in app/app_config.go, and enhancements to oracle management in app/oracle.go. The configuration files have also been updated to reflect these new features, including changes to the Docker Compose setup, genesis configuration, and various TOML files. Overall, these updates significantly expand the application's capabilities and improve its architecture.

Changes

File Change Summary
app/app.go Expanded App struct with new fields for oracle and market mapping; updated New function for initialization; modified SetInitChainer and added lifecycle methods.
app/app_config.go Added imports for new modules; updated lifecycle arrays to include oracle and market mapping modules; enhanced application configuration for new modules.
app/ibc.go Modified registerIBCModules to integrate ICAHostKeeper with GRPCQueryRouter; added comments about manual IBC registration.
go.mod Updated Go version and numerous dependencies; added new replacements and incremented versions for existing libraries.
compose.yaml Removed artroll service; added local-sequencer service with specific configurations.
.artroll/config/genesis.json Updated genesis_time, added contract_config, modified account addresses, and added new sections for market mapping and oracle.
.artroll/config/app.toml Modified pruning and state sync settings; added new [oracle] configuration section with various parameters.
.artroll/config/config.toml Incremented version number; updated RPC server address and added new parameters for request batching and recheck timeout.
.artroll/config/node_key.json Updated priv_key field value while retaining structure.
.artroll/config/priv_validator_key.json Updated address, pub_key, and priv_key values without structural changes.
.artroll/keyring-test/mykey.info Replaced base64-encoded string and updated timestamp and encryption method.
app/oracle.go Enhanced oracle client management; added methods for initialization, fetching data, and setting up prediction markets; included error handling.
.artroll/config/gentx/gentx-6009a78820d0649e31fdd0539513a69c6a5fd07c.json Introduced a new transaction for creating a validator with detailed fields.
.artroll/keyring-test/d9688b956ca93049a5686f6f88ab7dc910fab635.address Added a new file containing a JWT encoded string.
contractconfig.json Introduced a new configuration file for smart contract deployment with essential parameters.

Poem

In the meadow where changes bloom,
New oracles dance, dispelling gloom.
Markets rise with a cheerful cheer,
As updates whisper, "New features are here!"
With every hop, our code takes flight,
A rabbit's joy in the coding night! 🐇✨


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@yarikbratashchuk
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@gupadhyaya, right now I'm trying to run it to see if oracle integration works, and it fails on dependancy injection for new skip's modules.
I do ignite chain build and artella-rollkitd start --rollkit.aggregator --home ./.artroll

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Actionable comments posted: 10

🧹 Outside diff range and nitpick comments (12)
config.yml (1)

Line range hint 20-23: Potential issue: Faucet references non-existent account.

The faucet section still references bob as the faucet name. If the bob account is indeed meant to be removed (as suggested by the AI summary), this reference would be inconsistent and could lead to issues in faucet functionality.

Please review and update the faucet configuration to ensure it references an existing account.

If the bob account should be removed, consider updating the faucet configuration as follows:

faucet:
-  name: bob
+  name: alice
  coins:
  - 5token
  - 100000stake

Alternatively, if the bob account should be kept, ensure it's properly defined in the accounts section.

🧰 Tools
🪛 yamllint

[error] 6-6: trailing spaces

(trailing-spaces)

.artroll/config/gentx/gentx-2a82678df894e9e45619b92f2fa212a1fd19401e.json (1)

1-1: Review the moniker value for production use

The moniker is currently set to "localtestnet", which suggests this configuration is for a test environment. If this is intended for production use, consider updating the moniker to a more appropriate name that represents your validator.

Update the moniker field if this configuration is for production use. For example:

"moniker": "YourValidatorName"
🧰 Tools
🪛 Gitleaks

1-1: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

go.mod (1)

Line range hint 1-405: Comprehensive update of go.mod requires thorough testing.

This go.mod file has undergone extensive updates across all sections, including the Go version, toolchain, and numerous dependencies (both direct and indirect). While keeping dependencies up-to-date is crucial for security and feature improvements, such a comprehensive update increases the risk of introducing breaking changes or unexpected behavior.

Given the scope of these changes, I strongly recommend:

  1. Thoroughly test all functionalities of the project to ensure nothing has been broken by these updates.
  2. Review the changelogs of major updated dependencies (especially cosmos-sdk and rollkit) to understand new features or breaking changes.
  3. Consider updating the project's CI/CD pipeline to include compatibility tests with these new versions.
  4. Update any documentation that might be affected by these dependency changes.
  5. If possible, consider a phased rollout of these changes to production to minimize risk.

Remember to update your go.sum file as well by running go mod tidy after finalizing these changes.

prediction_market.sol (4)

117-118: Ensure sufficient contract balance for payouts

The payout calculation doubles the bet amount (bet.amount * 2), which assumes the contract holds enough tokens to cover all potential winnings. If multiple users win large bets, the contract might become underfunded.

Consider implementing one of the following solutions:

  • Track total liabilities: Keep track of potential payout liabilities and prevent new bets if liabilities exceed the contract's balance.
  • Dynamic payouts: Adjust payouts based on the total pool of bets or introduce a house edge to ensure sustainability.
  • Escrow funds: Require the contract owner to deposit enough tokens to cover maximum potential payouts before accepting bets.

58-78: Check approval before transferring tokens in placeBet

While the transferFrom function will fail if the user hasn't approved the contract to spend their tokens, providing a clear error message can improve user experience.

Consider adding a require statement to check the allowance:

 require(_marketId < marketCount, "Market does not exist");
 Market storage market = markets[_marketId];
 require(!market.resolved, "Market already resolved");
 require(block.timestamp < market.resolutionTime, "Market has ended");
+require(betToken.allowance(msg.sender, address(this)) >= _amount, "Insufficient allowance");
 require(betToken.transferFrom(msg.sender, address(this), _amount), "Token transfer failed");

123-126: Add documentation comments for public functions

Including NatSpec comments for public and external functions enhances code readability and aids in automatic documentation generation.

For example:

/// @notice Retrieves information about a specific market.
/// @param _marketId The ID of the market.
/// @return The Market struct containing market details.
function getMarketInfo(uint256 _marketId) external view returns (Market memory) {
    require(_marketId < marketCount, "Market does not exist");
    return markets[_marketId];
}

8-135: Consider implementing emergency safeguards

For improved security and control over the contract during unexpected scenarios, consider adding emergency pause functionality.

Utilize OpenZeppelin's Pausable contract:

+import "@openzeppelin/contracts/security/Pausable.sol";

-contract PredictionMarketRollup is Ownable, ReentrancyGuard {
+contract PredictionMarketRollup is Ownable, ReentrancyGuard, Pausable {

 // Within functions that modify state, add the whenNotPaused modifier
 function placeBet(...) external nonReentrant whenNotPaused {
     //...
 }

 // Owner can pause or unpause the contract
 function pause() external onlyOwner {
     _pause();
 }

 function unpause() external onlyOwner {
     _unpause();
 }
app/oracle.go (1)

87-91: Document the Power Threshold in Aggregation Function

The aggregator function uses voteweighted.DefaultPowerThreshold (line 90), which determines the minimum voting power required for the aggregation to proceed. Understanding this threshold is crucial for maintaining consensus and system stability.

Consider adding a comment explaining the rationale behind using the default power threshold and any implications it may have on the consensus process.

x/evm/module/module.go (4)

20-20: Remove unnecessary scaffolding comment

The comment // this line is used by starport scaffolding # 1 appears to be a placeholder used by Starport during code generation. Since the module is now fully implemented, consider removing this comment to keep the codebase clean and maintainable.


Line range hint 25-31: Correct the interface implementations for AppModuleBasic

The interface assertions for AppModuleBasic should reference the correct type to ensure accurate interface implementation checks. Currently, *AppModule is being asserted to implement module.AppModuleBasic, which should instead be AppModuleBasic.

Apply the following diff to correct the interface assertions:

 var (
-	_ module.AppModuleBasic      = (*AppModule)(nil)
+	_ module.AppModuleBasic      = AppModuleBasic{}
 	_ module.AppModuleSimulation = (*AppModule)(nil)
 	_ module.HasGenesis          = (*AppModule)(nil)
 	_ module.HasInvariants       = (*AppModule)(nil)
 	_ module.HasConsensusVersion = (*AppModule)(nil)

 	_ appmodule.AppModule       = (*AppModule)(nil)
 	_ appmodule.HasBeginBlocker = (*AppModule)(nil)
 	_ appmodule.HasEndBlocker   = (*AppModule)(nil)
 )

Line range hint 98-99: Use pointer receivers for consistency

The methods IsOnePerModuleType and IsAppModule currently have value receivers. For consistency with other methods in the AppModule struct and to avoid unintended copies, consider changing them to pointer receivers.

Apply this diff to update the method receivers:

-func (am AppModule) IsOnePerModuleType() {}
-func (am AppModule) IsAppModule() {}
+func (am *AppModule) IsOnePerModuleType() {}
+func (am *AppModule) IsAppModule() {}

Line range hint 130-132: Log the authority address for clarity

Consider adding logging for the authority address being used. This helps in debugging and ensures transparency about which authority is controlling the module.

You can apply this diff to log the authority:

 authority := authtypes.NewModuleAddress(govtypes.ModuleName)
 if in.Config.Authority != "" {
 	authority = authtypes.NewModuleAddressOrBech32Address(in.Config.Authority)
 }
+in.Logger.Info("EVM module authority set to", "address", authority.String())
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 011eabd and aedc45f.

⛔ Files ignored due to path filters (5)
  • go.sum is excluded by !**/*.sum
  • x/evm/types/query.pb.go is excluded by !**/*.pb.go
  • x/evm/types/tx.pb.go is excluded by !**/*.pb.go
  • x/fee/types/query.pb.go is excluded by !**/*.pb.go
  • x/fee/types/tx.pb.go is excluded by !**/*.pb.go
📒 Files selected for processing (27)
  • .artroll/config/app.toml (6 hunks)
  • .artroll/config/config.toml (1 hunks)
  • .artroll/config/genesis.json (8 hunks)
  • .artroll/config/gentx/gentx-2a82678df894e9e45619b92f2fa212a1fd19401e.json (1 hunks)
  • .artroll/config/gentx/gentx-f4227c07ea565d792ab0b62ac8ca36f05dc54d57.json (0 hunks)
  • .artroll/config/node_key.json (1 hunks)
  • .artroll/config/priv_validator_key.json (1 hunks)
  • .artroll/data/application.db/CURRENT (1 hunks)
  • .artroll/data/application.db/LOG (1 hunks)
  • .artroll/data/snapshots/metadata.db/CURRENT (1 hunks)
  • .artroll/data/snapshots/metadata.db/LOG (1 hunks)
  • .artroll/keyring-test/15248bc7b3d5c7ff22edc352b0b44bb4246fbd01.address (0 hunks)
  • .artroll/keyring-test/572f6601fd35ab45617f64de0a504899360d63fb.address (0 hunks)
  • .artroll/keyring-test/682a8598aaaba7ab3e35024d9fbedfee164521be.address (0 hunks)
  • .artroll/keyring-test/a63a894e0306ab2a5ca17a0da61f73c5cea5f280.address (1 hunks)
  • .artroll/keyring-test/ea93f43e617a7039708820902e2746c4766c2ced.address (0 hunks)
  • .artroll/keyring-test/mykey.info (1 hunks)
  • .artroll/keyring-test/mykey2.info (0 hunks)
  • .artroll/keyring-test/mykey3.info (0 hunks)
  • .artroll/keyring-test/mykey4.info (0 hunks)
  • app/app.go (8 hunks)
  • app/oracle.go (1 hunks)
  • config.yml (1 hunks)
  • ethereum/server/config/config.go (3 hunks)
  • go.mod (8 hunks)
  • prediction_market.sol (1 hunks)
  • x/evm/module/module.go (1 hunks)
💤 Files with no reviewable changes (8)
  • .artroll/config/gentx/gentx-f4227c07ea565d792ab0b62ac8ca36f05dc54d57.json
  • .artroll/keyring-test/15248bc7b3d5c7ff22edc352b0b44bb4246fbd01.address
  • .artroll/keyring-test/572f6601fd35ab45617f64de0a504899360d63fb.address
  • .artroll/keyring-test/682a8598aaaba7ab3e35024d9fbedfee164521be.address
  • .artroll/keyring-test/ea93f43e617a7039708820902e2746c4766c2ced.address
  • .artroll/keyring-test/mykey2.info
  • .artroll/keyring-test/mykey3.info
  • .artroll/keyring-test/mykey4.info
✅ Files skipped from review due to trivial changes (7)
  • .artroll/config/node_key.json
  • .artroll/config/priv_validator_key.json
  • .artroll/data/application.db/CURRENT
  • .artroll/data/application.db/LOG
  • .artroll/data/snapshots/metadata.db/CURRENT
  • .artroll/data/snapshots/metadata.db/LOG
  • .artroll/keyring-test/a63a894e0306ab2a5ca17a0da61f73c5cea5f280.address
🧰 Additional context used
🪛 Gitleaks
.artroll/config/genesis.json

188-188: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

.artroll/config/gentx/gentx-2a82678df894e9e45619b92f2fa212a1fd19401e.json

1-1: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

🔇 Additional comments (41)
config.yml (1)

4-4: LGTM: Main command specified for the application.

The addition of main: cmd/artrolld correctly specifies the main command for the application, which aligns with the PR objectives of integrating new functionality.

.artroll/keyring-test/mykey.info (1)

1-1: Caution: Sensitive data modification detected.

This file contains a modified base64-encoded string, likely representing a JSON Web Token (JWT) or similar sensitive data structure. The changes include an updated timestamp and potentially altered values in other fields.

Given the sensitive nature of this data:

  1. Ensure that this modification is intentional and aligns with the PR objectives.
  2. Verify that no unintended sensitive information is exposed in this commit.
  3. Consider whether this file should be included in version control or if it should be managed securely outside the repository.

To safely inspect the contents of the encoded data without exposing sensitive information, you can use the following script:

This script will help you verify the structure and non-sensitive content of the encoded data without exposing any potential secrets.

Would you like assistance in reviewing the decoded content or implementing more secure handling of this sensitive data?

.artroll/config/gentx/gentx-2a82678df894e9e45619b92f2fa212a1fd19401e.json (3)

1-1: Verify the large delegation amount

The current delegation amount is set to 1,000,000,000,000,000,000,000 aart (1e21 aart). Ensure this is the intended amount for your initial self-delegation, as it represents a significant stake.

Double-check if this delegation amount aligns with your intended stake and the total token supply of the network.

🧰 Tools
🪛 Gitleaks

1-1: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


1-1: Overall structure and content look good

The JSON structure and content appear to be correct for a Cosmos validator creation transaction. The commission rates, minimum self-delegation, and other fields are set to reasonable values.

The transaction is well-formed and includes all necessary components for creating a validator. Ensure all other fields (e.g., validator_address, pubkey) contain the correct values for your specific validator setup.

🧰 Tools
🪛 Gitleaks

1-1: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


1-1: False positive: No API key exposed

The static analysis tool (Gitleaks) has flagged a potential Generic API Key issue. However, this is a false positive. The JSON object contains cryptographic elements such as public keys and signatures, which are necessary components of a blockchain transaction and are meant to be public.

No action is required. The detected "API key" is actually a public key or signature, which is an essential and public part of the transaction.

🧰 Tools
🪛 Gitleaks

1-1: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

.artroll/config/app.toml (5)

24-25: Verify pruning configuration and its implications

The current configuration effectively disables pruning:

  • pruning-keep-recent = "0" means no recent states will be kept.
  • pruning-interval = "0" means pruning would occur after every block.
  • However, pruning = "nothing" (line 23) overrides these settings, disabling pruning entirely.

This configuration will lead to increased storage requirements over time as all historical states are retained. Ensure this aligns with your intended node operation strategy.

Please confirm if this is the desired behavior for your node. If not, consider adjusting these values or changing the pruning strategy.


136-136: Verify API access restriction

The API server address has been changed to "tcp://localhost:1317", which restricts API access to the local machine only. This enhances security by preventing remote access to the API.

Please confirm if this restriction is intentional. If remote access to the API is required, consider using "tcp://0.0.0.0:1317" instead, but be aware of the security implications and ensure proper authentication and authorization mechanisms are in place.


265-265: Verify WebSocket access restriction

The WebSocket server address has been changed to "127.0.0.1:8546", which restricts WebSocket connections to the local machine only. This enhances security by preventing remote WebSocket access.

Please confirm if this restriction is intentional. If remote WebSocket connections are required (e.g., for external applications or services), consider using "0.0.0.0:8546" instead. However, be aware of the security implications and ensure proper authentication and authorization mechanisms are in place if exposing the WebSocket server to external connections.


335-341: New oracle configuration added

A new [oracle] section has been added with the following configuration:

  • enabled = "true": The oracle functionality is enabled.
  • oracle_address = "localhost:8080": The oracle service is set to run on localhost.
  • client_timeout = "250ms": Client requests to the oracle will timeout after 250ms.
  • metrics_enabled = "true": Oracle metrics are enabled.
  • interval = "1500ms": The oracle update interval is set to 1.5 seconds.
  • price_ttl = "10s": Price data from the oracle will be considered valid for 10 seconds.

Please review and confirm that these settings align with your oracle implementation and requirements. Consider the following:

  1. Is the localhost:8080 address appropriate for your deployment, or should it be externally accessible?
  2. Are the timeout and interval values suitable for your use case?
  3. Is the price TTL of 10 seconds appropriate for the volatility of the data you're working with?

Additionally, ensure that the oracle implementation is properly secured and that the data source is reliable and resistant to manipulation.


Line range hint 1-341: Summary of configuration changes

This review has covered several significant changes to the application configuration:

  1. Pruning is effectively disabled, which may impact storage requirements.
  2. Prometheus retention time is set to an extremely high value, which should be reconsidered.
  3. API and WebSocket access have been restricted to localhost, enhancing security but potentially limiting remote access.
  4. State sync snapshots have been disabled, which may affect new node onboarding.
  5. A new oracle configuration has been added, introducing new functionality to the system.

These changes generally enhance security but may impact certain operational aspects of the node. Please review each comment carefully and ensure that the configuration aligns with your intended deployment strategy and security requirements.

It's recommended to thoroughly test this configuration in a staging environment before deploying to production to ensure all components function as expected with these new settings.

.artroll/config/config.toml (1)

90-90: Improved security, but verify impact on system functionality

The change from tcp://0.0.0.0:26657 to tcp://127.0.0.1:26657 for the RPC server's listening address enhances security by restricting access to localhost only. This prevents external, potentially malicious access to the RPC server.

However, please ensure this change doesn't unintentionally break any required external integrations, especially considering the PR's objectives of integrating an oracle and developing a prediction market application.

To verify the impact, please check:

  1. If any external systems need to access this node's RPC server.
  2. If the oracle integration requires external RPC access.
  3. If the prediction market application components are all running locally or need remote access.
go.mod (4)

Line range hint 85-405: Extensive update of indirect dependencies.

A large number of indirect dependencies have been updated. Some notable updates include:

  • prometheus/client_golang to v1.20.4
  • golang.org/x/crypto to v0.28.0
  • google.golang.org/api to v0.189.0

While these are indirect dependencies, updates to libraries like Prometheus client and crypto packages could affect performance, security, or functionality of the project.

To ensure these updates don't introduce unexpected behavior, please run the following commands:

#!/bin/bash
# Check for any security vulnerabilities in dependencies
go list -json -m all | nancy sleuth

# Verify that the build still succeeds with the updated dependencies
go build ./...

# Run tests to ensure functionality is not affected
go test ./...

Review the output of these commands carefully. Pay attention to any security vulnerabilities reported by Nancy, build errors, or test failures that may have been introduced by these dependency updates.


12-12: New Ethereum dependency replacement added.

A new replace directive has been added for github.com/ethereum/go-ethereum v1.12.0. This specific version pinning could be related to compatibility issues or specific feature requirements for Ethereum interactions in the project.

To ensure this change doesn't introduce unexpected behavior, please run the following command:

#!/bin/bash
# Check for Ethereum-related imports and their usage
rg --type go -n 'github.com/ethereum/go-ethereum'

Review the output to confirm that the usage of Ethereum-related functionalities is compatible with version 1.12.0.


19-82: Multiple core dependencies updated.

Several important direct dependencies have been updated to newer versions. Notable updates include:

  • cosmos-sdk from v0.50.6 to v0.50.10
  • rollkit to v0.0.0-20240924123855-fe82db12a1c5
  • Multiple cosmossdk.io packages

These updates could introduce new features, bug fixes, or potentially breaking changes. The cosmos-sdk update, in particular, may have a significant impact on the project's functionality.

To ensure compatibility and identify any breaking changes, please run the following commands:

Review the output carefully and update any affected code as necessary. Pay special attention to any deprecation warnings or compilation errors.


3-5: Go version and toolchain updates require attention.

The Go version has been updated from 1.22 to 1.22.2, which is a minor patch update. This is good for keeping up with bug fixes and security updates. However, the toolchain version has been updated from go1.22.6 to go1.23.2, which is a more significant change. This update could introduce new features or changes in the build process.

To ensure compatibility, please run the following commands:

Make sure to test the build process thoroughly with this new toolchain version.

.artroll/config/genesis.json (7)

4-4: Genesis time updated

The genesis time has been changed to a later date (October 11, 2024). Ensure that all nodes in the network are synchronized with this new genesis time to prevent any issues with block production or network participation.


188-188: False positive: Not an API key

The static analysis tool (Gitleaks) has flagged this line as potentially containing a Generic API Key. However, this is a false positive. The value "DLcXY6acqcTnyhnvfycZ4sgSd6b1LhCLPTUux6nl4J4=" is actually the validator's public key, which is meant to be public and does not pose a security risk.

🧰 Tools
🪛 Gitleaks

188-188: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


53-53: Bank balance address updated

The address in the bank balances section has been correctly updated to match the new account address. This change is consistent with the earlier account address modification.

Please verify that the balance associated with this address is correct:

#!/bin/bash
# Extract and display the balance for the updated address
jq '.app_state.bank.balances[] | select(.address == "art15cagjnsrq64j5h9p0gx6v8mnch82tu5q4e6v0g")' .artroll/config/genesis.json

188-188: Validator public key updated

The validator's public key has been changed. This is a critical part of the validator's identity and must be correct.

Please ensure that this public key corresponds to the private key held by the validator. Also, verify that this key is consistently used across the configuration:

#!/bin/bash
# Display all occurrences of the new public key in the genesis file
jq -r '..|.key? | select(. == "DLcXY6acqcTnyhnvfycZ4sgSd6b1LhCLPTUux6nl4J4=")' .artroll/config/genesis.json
🧰 Tools
🪛 Gitleaks

188-188: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)


196-196: Memo and signature updated

The memo has been updated with a new node identifier and IP address. Additionally, the signature has been changed, which is consistent with the updates to the validator's configuration.

Please verify the following:

  1. The IP address in the memo is correct and accessible.
  2. The new signature is valid for the updated configuration.

Run the following commands to check:

#!/bin/bash
# Extract and display the memo
jq -r '.app_state.genutil.gen_txs[].body.memo' .artroll/config/genesis.json

# Display the full signature information
jq '.app_state.genutil.gen_txs[].signatures' .artroll/config/genesis.json

Also applies to: 230-230


32-32: Account address modified

An account address has been changed in the genesis configuration. Please verify that this change is intentional and ensure it's consistently applied across all relevant parts of the configuration and network.

Run the following script to check for any remaining occurrences of the old address:

✅ Verification successful

Account address modification verified

The old account address has been successfully updated with no remaining references found. The change is intentional and consistently applied across the configuration.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for any remaining instances of the old address
rg "art1dq4gtx924wn6k034qfxel0klacty2gd7cktd2j" --type json

Length of output: 290


185-185: Validator address updated

The validator address has been updated, which is consistent with the earlier account address modifications. This change affects the validator configuration in the genesis state.

Please verify that this change is reflected consistently throughout the configuration:

✅ Verification successful

Validator address change verified

The old validator address is no longer present in the configuration, and the new validator address is correctly set in the genesis state.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for any remaining instances of the old validator address
rg "artvaloper1dq4gtx924wn6k034qfxel0klacty2gd7k6rtfd" --type json

# Display the updated validator configuration
jq '.app_state.genutil.gen_txs[].body.messages[] | select(."@type" == "/cosmos.staking.v1beta1.MsgCreateValidator")' .artroll/config/genesis.json

Length of output: 553


Script:

#!/bin/bash
# Verify the structure of genesis.json
jq '.' .artroll/config/genesis.json > /dev/null 2>&1
if [ $? -ne 0 ]; then
  echo "Invalid JSON structure in genesis.json"
  exit 1
fi

# Search for any remaining instances of the old validator address
rg "artvaloper1dq4gtx924wn6k034qfxel0klacty2gd7k6rtfd" --type json

# Display the updated validator configuration with corrected jq syntax
jq '.app_state.genutil.gen_txs[].body.messages[] | select(."@type" == "/cosmos.staking.v1beta1.MsgCreateValidator")' .artroll/config/genesis.json

Length of output: 947

prediction_market.sol (1)

111-112: Review the winning condition logic for accuracy

The current logic may not handle the case where market.winningOutcome is equal to bet.predictedOdds. This could lead to unexpected results for bets placed exactly on the winning odds.

Consider adjusting the comparison operators to include equality if that aligns with the intended game rules.

 bool won = (bet.isAbove && market.winningOutcome > bet.predictedOdds) ||
-           (!bet.isAbove && market.winningOutcome < bet.predictedOdds);
+           (!bet.isAbove && market.winningOutcome < bet.predictedOdds) ||
+           (market.winningOutcome == bet.predictedOdds);
app/oracle.go (3)

63-140: Ensure Handlers Are Set Before Application Start

The initializeABCIExtensions function sets up critical handlers for proposal preparation, vote extension, and pre-block execution (lines 82-83, 113, 138-139). It's essential to verify that these handlers are set before the application starts handling requests to prevent any nil pointer dereferences or unexpected behavior.

Please confirm that initializeABCIExtensions is called during the application initialization phase and before the server starts accepting connections.


121-121: Consider Reusing Currency Pair Strategy Instances

Multiple new instances of currencypair.NewDeltaCurrencyPairStrategy are created (lines 121 and 129). While the comments indicate the importance of constructing new instances, it's worth evaluating if reusing instances could improve performance without compromising functionality.

Investigate whether the strategy instances are stateless and can be safely reused. If so, instantiate it once and reuse to reduce overhead.

Also applies to: 129-129


147-153: Ensure Compatibility of slices.Sort with Go Version

The code uses slices.Sort to sort the market keys (line 152). The slices package was introduced in Go 1.21.

Confirm that the project specifies Go 1.21 or higher as a requirement. If the project needs to support earlier Go versions, consider using sort.Strings(keys) instead.

x/evm/module/module.go (2)

Line range hint 102-104: Ensure module configuration is properly initialized

In the init function, the module is registered with an empty configuration using &modulev1.Module{}. Verify that any required configuration parameters for the module are set appropriately to prevent issues during module initialization or runtime.

Would you like assistance in verifying the module's configuration setup?


Line range hint 126-149: Validate keeper dependencies and authority address

In the ProvideModule function, the authority is defaulted to the governance module address unless specified in in.Config.Authority. Ensure that:

  • The in.Config.Authority is correctly set when a custom authority is needed.
  • All keeper dependencies (AccountKeeper, BankKeeper, StakingKeeper, FeeKeeper, BlockGetter, ChainIDGetter) are properly provided and initialized.

To verify the authority address and keeper dependencies, you can run the following script:

Would you like help in reviewing or updating the module's configuration and dependencies?

✅ Verification successful

Verified: Custom authority is configured and all keeper dependencies are properly provided and initialized.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify module configuration and dependencies.

# Check for custom authority configuration
if grep -q 'Authority' x/evm/module/module.go; then
  echo "Custom authority is configured."
else
  echo "Using default governance authority."
fi

# List all keeper dependencies in ProvideModule
echo "Keeper dependencies in ProvideModule:"
rg --type go 'NewKeeper\(' -A 10 x/evm/module/module.go

Length of output: 463

ethereum/server/config/config.go (5)

18-19: Import statement for Oracle configuration added correctly

The new import statement for oracleconfig is properly added and will enable Oracle configurations.


89-89: 'Oracle' field added to Config struct

The Oracle field is correctly added to the Config struct with appropriate mapstructure and json tags.


182-189: Review default Oracle configuration values

The default Oracle configuration is initialized with the following values:

  • Enabled: true
  • OracleAddress: "localhost:8080"
  • ClientTimeout: time.Second * 2
  • MetricsEnabled: true

Please ensure that these default values are suitable for all deployment environments. If OracleAddress may differ across environments, consider externalizing it to a configuration file or environment variable.


198-198: Assigning Oracle configuration to customAppConfig

The oracleCfg is correctly assigned to the Oracle field in customAppConfig.


201-201: Including Oracle configuration template

The oracleconfig.DefaultConfigTemplate is properly included in customAppTemplate, ensuring that the Oracle configuration template is part of the overall configuration.

app/app.go (8)

5-5: Importing "fmt" is necessary for error formatting

The addition of import "fmt" is appropriate as it is used for error formatting in the code.


83-90: Added necessary imports for oracle and market map functionality

The new imports introduce the required packages for the oracle and market map features. These imports are essential for the integration of the new modules.


176-177: Consistent addition of OracleKeeper and MarketMapKeeper to App struct

The OracleKeeper and MarketMapKeeper are added to the App struct, following the naming conventions and patterns established in the existing codebase.


307-307: Dependency injection updated with new keepers

The depinject.InjectDebug call now includes the new keepers, ensuring they are properly initialized within the dependency injection framework.


332-333: Including new keepers in dependency injection

The addition of &app.MarketMapKeeper and &app.OracleKeeper ensures that the new keepers are correctly injected and available throughout the application.


341-350: Initializing Oracle and setting up ABCI extensions

The code correctly initializes the oracle client and metrics, handles potential errors, and sets up the ABCI extensions. Error handling is properly implemented with a wrapped error message.


394-395: Initializing module states for OracleKeeper and MarketMapKeeper

The initialization of the module state using default genesis states is appropriate and ensures that both the oracle and market map modules are set up correctly.


398-401: Error handling for market setup

The setupMarkets function call includes error handling, which is good practice. Ensure that setupMarkets itself has appropriate error checks and handles edge cases.

Run the following script to verify that setupMarkets handles errors correctly:

@@ -0,0 +1 @@
{"body":{"messages":[{"@type":"/cosmos.staking.v1beta1.MsgCreateValidator","description":{"moniker":"localtestnet","identity":"","website":"","security_contact":"","details":""},"commission":{"rate":"0.100000000000000000","max_rate":"0.200000000000000000","max_change_rate":"0.010000000000000000"},"min_self_delegation":"1","delegator_address":"","validator_address":"artvaloper15cagjnsrq64j5h9p0gx6v8mnch82tu5qm4j2vh","pubkey":{"@type":"/cosmos.crypto.ed25519.PubKey","key":"DLcXY6acqcTnyhnvfycZ4sgSd6b1LhCLPTUux6nl4J4="},"value":{"denom":"aart","amount":"1000000000000000000000"}}],"memo":"[email protected]:26656","timeout_height":"0","extension_options":[],"non_critical_extension_options":[]},"auth_info":{"signer_infos":[{"public_key":{"@type":"/artela.crypto.ethsecp256k1.PubKey","key":"A56ZbPnY8Mz3Rbx0l7G+8+S7N/+/xNncR+/hCosrVcuZ"},"mode_info":{"single":{"mode":"SIGN_MODE_DIRECT"}},"sequence":"0"}],"fee":{"amount":[{"denom":"aart","amount":"4000000000000000"}],"gas_limit":"200000","payer":"","granter":""},"tip":null},"signatures":["ROOIMIQmDcfACX13n3cu49HWA9NQKMFAaiDgyyI7BC9QDAdJhhlPWSokM+8x9zR2KSoWIsxEFmWmS6RTBWB/bgA="]}
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⚠️ Potential issue

Address the empty delegator_address field

The delegator_address field in the MsgCreateValidator message is empty. This field should contain the address of the account that will be the initial delegator to the validator.

Please update the JSON object to include the correct delegator_address. For example:

"delegator_address": "art1..."

Replace art1... with the actual delegator address.

🧰 Tools
🪛 Gitleaks

1-1: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

@@ -99,7 +99,7 @@ enable-hostname-label = false
enable-service-label = false

# PrometheusRetentionTime, when positive, enables a Prometheus metrics sink.
prometheus-retention-time = 1000000000000
prometheus-retention-time = 1000000000000
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⚠️ Potential issue

Reconsider Prometheus retention time

The prometheus-retention-time is set to an extremely high value of 1000000000000 (approximately 31.7 years). This could lead to excessive resource consumption over time.

Consider reducing this value to a more manageable timeframe, such as 30 days (2592000000) or 90 days (7776000000), depending on your specific needs for historical data retention.

@@ -191,7 +191,7 @@ enable = true

# snapshot-interval specifies the block interval at which local state sync snapshots are
# taken (0 to disable).
snapshot-interval = 2000
snapshot-interval = 0
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⚠️ Potential issue

Reconsider disabling state sync snapshots

Setting snapshot-interval = 0 disables state sync snapshots. This configuration change has the following implications:

  1. New nodes will not be able to quickly join the network using state sync.
  2. Nodes will need to sync from genesis or use alternative methods to catch up.

Consider setting a non-zero value (e.g., 1000 or 2000) to enable state sync snapshots, which can significantly reduce the time for new nodes to join the network. If disabling snapshots is intentional, please ensure this aligns with your network's operational requirements.

Comment on lines 40 to 42
constructor(address _betToken) {
betToken = IERC20(_betToken);
}
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⚠️ Potential issue

Validate the betToken address in the constructor

It's good practice to ensure that the _betToken address provided is not the zero address to prevent assigning an invalid token contract.

Apply the following diff to add validation:

 constructor(address _betToken) {
+    require(_betToken != address(0), "Invalid token address");
     betToken = IERC20(_betToken);
 }
📝 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.

Suggested change
constructor(address _betToken) {
betToken = IERC20(_betToken);
}
constructor(address _betToken) {
require(_betToken != address(0), "Invalid token address");
betToken = IERC20(_betToken);
}

Comment on lines 80 to 88
function receiveOracleData(uint256 _marketId, uint256 _odds, uint256 _timestamp) external onlyOwner {
require(_marketId < marketCount, "Market does not exist");
Market storage market = markets[_marketId];
require(!market.resolved, "Market already resolved");
require(_timestamp <= market.resolutionTime, "Data is past resolution time");

market.currentOdds = _odds;
emit OracleDataReceived(_marketId, _odds, _timestamp);
}
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🛠️ Refactor suggestion

Validate oracle data timestamp consistency

In the receiveOracleData function, it might be helpful to ensure that the new oracle data timestamp is not older than the last received data to maintain data consistency.

Add a timestamp check to prevent outdated oracle data from overwriting newer data.

 function receiveOracleData(uint256 _marketId, uint256 _odds, uint256 _timestamp) external onlyOwner {
     require(_marketId < marketCount, "Market does not exist");
     Market storage market = markets[_marketId];
     require(!market.resolved, "Market already resolved");
     require(_timestamp <= market.resolutionTime, "Data is past resolution time");
+    require(_timestamp >= market.currentOddsTimestamp, "Received older oracle data");

     market.currentOdds = _odds;
+    market.currentOddsTimestamp = _timestamp;
     emit OracleDataReceived(_marketId, _odds, _timestamp);
 }

Remember to add currentOddsTimestamp to the Market struct:

 struct Market {
     string description;
     uint256 currentOdds;
+    uint256 currentOddsTimestamp;
     uint256 resolutionTime;
     bool resolved;
     uint256 winningOutcome;
 }

Committable suggestion was skipped due to low confidence.

Comment on lines 102 to 121
function claimBet(uint256 _marketId, uint256 _betIndex) external nonReentrant {
require(_marketId < marketCount, "Market does not exist");
Market storage market = markets[_marketId];
require(market.resolved, "Market not resolved yet");

Bet storage bet = marketBets[_marketId][_betIndex];
require(bet.bettor == msg.sender, "Not the bettor");
require(!bet.claimed, "Bet already claimed");

bool won = (bet.isAbove && market.winningOutcome > bet.predictedOdds) ||
(!bet.isAbove && market.winningOutcome < bet.predictedOdds);

bet.claimed = true;

if (won) {
uint256 payout = bet.amount * 2; // Simple 1:1 payout for now
require(betToken.transfer(msg.sender, payout), "Token transfer failed");
emit BetClaimed(_marketId, msg.sender, payout);
}
}
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⚠️ Potential issue

Restrict access to bets in the claimBet function

Currently, the _betIndex parameter is provided by the caller, which could allow users to attempt claiming bets they do not own. While there is a check bet.bettor == msg.sender, it's safer to prevent unauthorized access proactively.

Consider modifying the claimBet function to iterate over the caller's bets or maintain a mapping from bettors to their bet indices. This ensures that users can only claim their own bets without relying on the index they provide.

 function claimBet(uint256 _marketId, uint256 _betIndex) external nonReentrant {
     require(_marketId < marketCount, "Market does not exist");
     Market storage market = markets[_marketId];
     require(market.resolved, "Market not resolved yet");

-    Bet storage bet = marketBets[_marketId][_betIndex];
+    uint256[] storage userBetIndices = userBets[msg.sender];
+    bool betFound = false;
+    uint256 betIndex;
+    for (uint256 i = 0; i < userBetIndices.length; i++) {
+        if (userBetIndices[i] == _marketId) {
+            betIndex = i;
+            betFound = true;
+            break;
+        }
+    }
+    require(betFound, "No bets found for user in this market");
+    Bet storage bet = marketBets[_marketId][betIndex];

     require(bet.bettor == msg.sender, "Not the bettor");
     require(!bet.claimed, "Bet already claimed");

     bool won = (bet.isAbove && market.winningOutcome > bet.predictedOdds) ||
                (!bet.isAbove && market.winningOutcome < bet.predictedOdds);

     bet.claimed = true;

     if (won) {
         uint256 payout = bet.amount * 2; // Simple 1:1 payout for now
         require(betToken.transfer(msg.sender, payout), "Token transfer failed");
         emit BetClaimed(_marketId, msg.sender, payout);
     }
 }

Committable suggestion was skipped due to low confidence.

app/oracle.go Outdated
Comment on lines 26 to 61
func (app *App) initializeOracle(appOpts types.AppOptions) (oracleclient.OracleClient, servicemetrics.Metrics, error) {
// Read general config from app-opts, and construct oracle service.
cfg, err := oracleconfig.ReadConfigFromAppOpts(appOpts)
if err != nil {
return nil, nil, err
}

// If app level instrumentation is enabled, then wrap the oracle service with a metrics client
// to get metrics on the oracle service (for ABCI++). This will allow the instrumentation to track
// latency in VerifyVoteExtension requests and more.
oracleMetrics, err := servicemetrics.NewMetricsFromConfig(cfg, app.ChainID())
if err != nil {
return nil, nil, err
}

// Create the oracle service.
oracleClient, err := oracleclient.NewPriceDaemonClientFromConfig(
cfg,
app.Logger().With("client", "oracle"),
oracleMetrics,
)
if err != nil {
return nil, nil, err
}

// Connect to the oracle service (default timeout of 5 seconds).
go func() {
app.Logger().Info("attempting to start oracle client...", "address", cfg.OracleAddress)
if err := oracleClient.Start(context.Background()); err != nil {
app.Logger().Error("failed to start oracle client", "err", err)
panic(err)
}
}()

return oracleClient, oracleMetrics, nil
}
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⚠️ Potential issue

Handle Oracle Client Startup Errors More Gracefully

In the initializeOracle function, the oracle client is started in a goroutine (lines 52-58). If oracleClient.Start returns an error, the current implementation logs the error and then panics (line 56). Panicking within a goroutine can lead to the application crashing unexpectedly and may not provide sufficient context for debugging.

Consider handling the error more gracefully by implementing a retry mechanism or safely shutting down the application with proper error messages. This approach will enhance the robustness and maintainability of the application.

app/oracle.go Outdated
Comment on lines 142 to 170
func (app *App) setupMarkets(ctx sdk.Context) error {
// add core markets
coreMarkets := marketmaps.CoreMarketMap
markets := coreMarkets.Markets

// sort keys so we can deterministically iterate over map items.
keys := make([]string, 0, len(markets))
for name := range markets {
keys = append(keys, name)
}
slices.Sort(keys)

for _, marketName := range keys {
// create market
market := markets[marketName]
err := app.MarketMapKeeper.CreateMarket(ctx, market)
if err != nil {
return err
}

// invoke hooks. this syncs the market to x/oracle.
err = app.MarketMapKeeper.Hooks().AfterMarketCreated(ctx, market)
if err != nil {
return err
}
}

return nil
}
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⚠️ Potential issue

Handle Errors Without Halting Market Setup

In the setupMarkets function, if an error occurs during market creation or hook invocation (lines 157-160 and 163-166), the function returns immediately, potentially leaving some markets uninitialized.

Consider modifying the function to continue setting up the remaining markets even if one fails. Accumulate errors and handle them at the end, or log the errors and proceed. This ensures that one faulty market does not prevent others from being set up.

 for _, marketName := range keys {
     // create market
     market := markets[marketName]
     err := app.MarketMapKeeper.CreateMarket(ctx, market)
     if err != nil {
-        return err
+        app.Logger().Error("failed to create market", "market", marketName, "error", err)
+        continue
     }

     // invoke hooks. this syncs the market to x/oracle.
     err = app.MarketMapKeeper.Hooks().AfterMarketCreated(ctx, market)
     if err != nil {
-        return err
+        app.Logger().Error("failed to invoke hooks for market", "market", marketName, "error", err)
+        continue
     }
 }
📝 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.

Suggested change
func (app *App) setupMarkets(ctx sdk.Context) error {
// add core markets
coreMarkets := marketmaps.CoreMarketMap
markets := coreMarkets.Markets
// sort keys so we can deterministically iterate over map items.
keys := make([]string, 0, len(markets))
for name := range markets {
keys = append(keys, name)
}
slices.Sort(keys)
for _, marketName := range keys {
// create market
market := markets[marketName]
err := app.MarketMapKeeper.CreateMarket(ctx, market)
if err != nil {
return err
}
// invoke hooks. this syncs the market to x/oracle.
err = app.MarketMapKeeper.Hooks().AfterMarketCreated(ctx, market)
if err != nil {
return err
}
}
return nil
}
func (app *App) setupMarkets(ctx sdk.Context) error {
// add core markets
coreMarkets := marketmaps.CoreMarketMap
markets := coreMarkets.Markets
// sort keys so we can deterministically iterate over map items.
keys := make([]string, 0, len(markets))
for name := range markets {
keys = append(keys, name)
}
slices.Sort(keys)
for _, marketName := range keys {
// create market
market := markets[marketName]
err := app.MarketMapKeeper.CreateMarket(ctx, market)
if err != nil {
app.Logger().Error("failed to create market", "market", marketName, "error", err)
continue
}
// invoke hooks. this syncs the market to x/oracle.
err = app.MarketMapKeeper.Hooks().AfterMarketCreated(ctx, market)
if err != nil {
app.Logger().Error("failed to invoke hooks for market", "market", marketName, "error", err)
continue
}
}
return nil
}

app/app.go Outdated
Comment on lines 373 to 404
// initialize the chain with markets in state.
app.SetInitChainer(sdk.InitChainer(func(ctx sdk.Context, req *abci.RequestInitChain) (*abci.ResponseInitChain, error) {
consensusParams, err := app.ConsensusParamsKeeper.Params(ctx, nil)
if err != nil {
return nil, err
}
consensusParams.Params.Abci = &tmtypes.ABCIParams{
VoteExtensionsEnableHeight: 5, // must be greater than 1
}
_, err = app.ConsensusParamsKeeper.UpdateParams(ctx, &consensustypes.MsgUpdateParams{
Authority: app.ConsensusParamsKeeper.GetAuthority(),
Block: consensusParams.Params.Block,
Evidence: consensusParams.Params.Evidence,
Validator: consensusParams.Params.Validator,
Abci: consensusParams.Params.Abci,
})
if err != nil {
return nil, err
}

// initialize module state
app.OracleKeeper.InitGenesis(ctx, *oracletypes.DefaultGenesisState())
app.MarketMapKeeper.InitGenesis(ctx, *marketmaptypes.DefaultGenesisState())

// initialize markets
err = app.setupMarkets(ctx)
if err != nil {
return nil, err
}

return app.App.InitChainer(ctx, req)
}))
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🛠️ Refactor suggestion

Hardcoded VoteExtensionsEnableHeight value

The VoteExtensionsEnableHeight is set to a hardcoded value of 5. Consider making this value configurable to enhance flexibility and maintainability.

Apply this diff to make VoteExtensionsEnableHeight configurable:

-		VoteExtensionsEnableHeight: 5, // must be greater than 1
+		voteExtensionsEnableHeight := cast.ToUint64(appOpts.Get("vote_extensions_enable_height"))
+		if voteExtensionsEnableHeight <= 1 {
+			voteExtensionsEnableHeight = 5 // default value
+		}
+		consensusParams.Params.Abci = &tmtypes.ABCIParams{
+			VoteExtensionsEnableHeight: voteExtensionsEnableHeight,
+		}

This change allows the value to be set via application options, providing greater flexibility.

Committable suggestion was skipped due to low confidence.

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between a629152 and a5ec437.

⛔ Files ignored due to path filters (1)
  • go.sum is excluded by !**/*.sum
📒 Files selected for processing (3)
  • app/app_config.go (6 hunks)
  • app/ibc.go (1 hunks)
  • go.mod (4 hunks)
🧰 Additional context used
🔇 Additional comments (12)
app/ibc.go (1)

130-131: LGTM: Enhanced ICAHostKeeper with GRPC query routing

The addition of WithQueryRouter to the ICAHostKeeper is a positive enhancement. This change integrates the keeper with the GRPC query router, allowing it to handle queries through the gRPC interface. This improvement aligns with the IBC module's architecture and enhances its functionality.

app/app_config.go (6)

68-74: New Module Imports Are Correct

The imports for marketmapmodulev1, oraclemodulev1, marketmaptypes, and oracletypes are correctly added to integrate the new modules. The side-effect imports for marketmap and oracle modules are also appropriately included.


112-113: Verify Module Order in genesisModuleOrder

The modules oracletypes.ModuleName and marketmaptypes.ModuleName have been added to the genesisModuleOrder. Ensure that these modules are placed in the correct order relative to other modules, especially if they depend on or are depended upon by other modules. Incorrect ordering can lead to initialization issues.


149-150: Confirm Inclusion in beginBlockers

The addition of oracletypes.ModuleName and marketmaptypes.ModuleName to the beginBlockers slice means they will participate in the BeginBlock processing. Verify that this inclusion is necessary and that their execution order aligns with the application's requirements.


184-185: Confirm Inclusion in endBlockers

Including oracletypes.ModuleName and marketmaptypes.ModuleName in the endBlockers slice will involve them in EndBlock processing. Please verify that this is intended and that their placement is appropriate with respect to other modules.


292-295: Verify Configuration for oracletypes.ModuleName

The configuration for oracletypes.ModuleName is currently empty. If the oracle module requires specific configuration parameters (e.g., endpoints, update intervals), consider adding them here to ensure proper initialization and functionality.


296-299: Verify Configuration for marketmaptypes.ModuleName

Similarly, the configuration for marketmaptypes.ModuleName is empty. Ensure that any necessary parameters are specified to properly configure the market map module.

go.mod (5)

64-64: Verify the dependency version for github.com/rollkit/rollkit

The version specified is v0.0.0-20240924123855-fe82db12a1c5, which includes a date in the future (September 24, 2024). This may indicate a future or unreleased version. Please confirm that this is the intended version and that it is available.

To confirm the availability of the specified commit hash, you can run the following script:

#!/bin/bash
# Description: Verify if the commit 'fe82db12a1c5' exists in the 'github.com/rollkit/rollkit' repository.

# Expected result: The commit hash should be found in the repository.

# Command:
git ls-remote https://github.com/rollkit/rollkit.git | grep fe82db12a1c5

306-306: Verify the dependency version for github.com/petermattis/goid

The version specified is v0.0.0-20240607163614-bb94eb51e7a7, which includes a future date (June 7, 2024). Please confirm that this version is correct.

To check the commit hash, run:

#!/bin/bash
# Description: Verify if the commit 'bb94eb51e7a7' exists in the 'github.com/petermattis/goid' repository.

# Expected result: The commit hash should be found.

# Command:
git ls-remote https://github.com/petermattis/goid.git | grep bb94eb51e7a7

75-75: Verify the dependency version for golang.org/x/exp

The version specified is v0.0.0-20240909161429-701f63a606c0, which includes a date in the future (September 9, 2024). Please ensure this is the correct version.

You can verify the commit hash with the following script:

#!/bin/bash
# Description: Verify if the commit '701f63a606c0' exists in the 'golang.org/x/exp' repository.

# Expected result: The commit hash should be found.

# Command:
git ls-remote https://github.com/golang/exp.git | grep 701f63a606c0

394-395: Verify the dependency versions for google.golang.org/genproto

The versions specified include future dates:

  • google.golang.org/genproto version v0.0.0-20240722135656-d784300faade (July 22, 2024)
  • google.golang.org/genproto/googleapis/rpc version v0.0.0-20240903143218-8af14fe29dc1 (September 3, 2024)

Please verify that these are the intended versions.

You can confirm the commit hashes with the following script:


9-9: Confirm the necessity of commenting out the replace directive

The replace directive for github.com/btcsuite/btcd/btcec/v2 has been commented out. If this dependency is still required, please verify whether it should remain commented out or be restored.

To check if this package is used in the codebase, you can run the following script:

✅ Verification successful

The replace directive for github.com/btcsuite/btcd/btcec/v2 is still required due to indirect dependencies. It should remain commented out to ensure compatibility with dependent packages.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Search for imports of 'github.com/btcsuite/btcd/btcec/v2' in the codebase.

# Expected result: Any instances where the package is imported.

# Command:
rg '^import.*"github\.com/btcsuite/btcd/btcec/v2"' --type go

Length of output: 62


Script:

#!/bin/bash
# Description: Search for any references to 'github.com/btcsuite/btcd/btcec/v2' in the entire codebase.

# Expected result: Any instances where the package is mentioned, including imports, comments, documentation, or configuration files.

# Command:
rg 'github\.com/btcsuite/btcd/btcec/v2' --ignore-file .gitignore

Length of output: 517

@@ -190,6 +205,7 @@ var (
{Account: icatypes.ModuleName},
// this line is used by starport scaffolding # stargate/app/maccPerms
{Account: evmmoduletypes.ModuleName, Permissions: []string{authtypes.Minter, authtypes.Burner}},
{Account: oracletypes.ModuleName, Permissions: []string{}},
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⚠️ Potential issue

Review Module Account Permissions for oracletypes.ModuleName

The module account for oracletypes.ModuleName is added with no permissions (Permissions: []string{}). If the oracle module requires specific permissions (e.g., authtypes.Minter, authtypes.Burner) to function correctly, please update the permissions accordingly to ensure proper access control.

Apply this diff if permissions are needed:

 {Account: oracletypes.ModuleName, Permissions: []string{}},
+// If the oracle module needs to mint or burn tokens, assign appropriate permissions
+{Account: oracletypes.ModuleName, Permissions: []string{authtypes.Minter, authtypes.Burner}},

Committable suggestion was skipped due to low confidence.

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)
compose.yaml (2)

11-12: Update to artroll service configuration looks good, with a minor suggestion.

The changes to the artroll service are appropriate:

  1. Updating the image to gupadhyaya/artella-rollkit:latest aligns with the PR objectives of integrating new features.
  2. Adding the dependency on local-sequencer is consistent with the introduction of the new service.

Consider adding a comment explaining the purpose of the commented-out image on line 12. This would provide context for why this alternative version is kept in the configuration.

    image: gupadhyaya/artella-rollkit:latest
-    #artelanetwork/rollkit:a629152
+    # Alternative version for debugging or rollback:
+    #image: artelanetwork/rollkit:a629152

Also applies to: 24-24


Line range hint 1-37: Overall, the changes to compose.yaml look good and align with the PR objectives.

The updates to the artroll service and the addition of the local-sequencer service support the integration of new features for the Rollkit unstoppable application. The configuration changes are consistent with the development of a block-enshrined oracle for election-related predictions.

If you need any assistance with further refinements to the Docker Compose configuration or have any questions about the suggested changes, please don't hesitate to ask. I'm here to help ensure a smooth integration process.

🧰 Tools
🪛 yamllint

[error] 35-35: trailing spaces

(trailing-spaces)

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between a5ec437 and ebb4045.

⛔ Files ignored due to path filters (1)
  • go.sum is excluded by !**/*.sum
📒 Files selected for processing (2)
  • compose.yaml (2 hunks)
  • go.mod (4 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • go.mod
🧰 Additional context used
🪛 yamllint
compose.yaml

[error] 35-35: trailing spaces

(trailing-spaces)

🔇 Additional comments (2)
compose.yaml (2)

31-31: Formatting improvement approved.

The addition of a blank line after the local-da service configuration enhances readability by clearly separating different service definitions.


32-37: ⚠️ Potential issue

New local-sequencer service looks good, with a minor formatting fix needed.

The addition of the local-sequencer service aligns well with the PR objectives:

  1. It uses an appropriate image (gupadhyaya/local-sequencer:latest).
  2. The command specifies the correct rollup ID for the Artella-Rollkit integration.
  3. Port 50051 is exposed, which is typical for gRPC services.

There's a trailing space at the end of line 35. Please remove it to maintain consistent formatting:

-    command: local-sequencer -listen-all -rollup-id "artroll_11820-1" 
+    command: local-sequencer -listen-all -rollup-id "artroll_11820-1"

To ensure the local-sequencer image exists and is up-to-date, you can run:

This will help verify that the required image is available and current.

🧰 Tools
🪛 yamllint

[error] 35-35: trailing spaces

(trailing-spaces)

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Actionable comments posted: 4

🧹 Outside diff range and nitpick comments (4)
compose.yaml (2)

1-3: Enhance the header comment for clarity.

The comment could be more descriptive about the specific roles of each service.

Apply this diff to improve the comment and fix trailing space:

-# Docker Compose is used for spinning up the local-da docker container along with local sequencer 
+# Docker Compose configuration for:
+# - local-da: Provides data availability layer
+# - local-sequencer: Manages transaction sequencing for the prediction market oracle
🧰 Tools
🪛 yamllint

[error] 1-1: trailing spaces

(trailing-spaces)


14-14: Remove trailing spaces from command line.

Apply this fix:

-    command: local-sequencer -listen-all -rollup-id "artroll_11820-1" 
+    command: local-sequencer -listen-all -rollup-id "artroll_11820-1"
🧰 Tools
🪛 yamllint

[error] 14-14: trailing spaces

(trailing-spaces)

.artroll/config/gentx/gentx-c46f11bddc8d2b7309ab1a04976c735b595b674f.json (1)

1-1: Complete validator description fields for better network visibility.

The validator description only includes the moniker "localtestnet" while other fields (identity, website, security_contact, details) are empty.

Consider adding:

  • A security contact for emergency communications
  • A website for validator information
  • An identity key from keybase.io for verification
  • Details about your validator operations
.artroll/config/genesis.json (1)

351-362: Review the market authorities configuration.

A new marketmap module has been added with specific market authorities and admin configuration:

  • Market authority: art10d07y265gmmuvt4z0w9aw880jnsr700jv60jp4
  • Admin: art10d07y265gmmuvt4z0w9aw880jnsr700jv60jp4

Note that the same address is used for both roles. Consider if this centralization of authority aligns with the system's security requirements.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between ebb4045 and 7852308.

📒 Files selected for processing (9)
  • .artroll/config/app.toml (5 hunks)
  • .artroll/config/config.toml (4 hunks)
  • .artroll/config/genesis.json (10 hunks)
  • .artroll/config/gentx/gentx-c46f11bddc8d2b7309ab1a04976c735b595b674f.json (1 hunks)
  • .artroll/config/node_key.json (1 hunks)
  • .artroll/config/priv_validator_key.json (1 hunks)
  • .artroll/keyring-test/a28386c8c148ffcca8888ac5baac040feb4c3ba5.address (1 hunks)
  • .artroll/keyring-test/mykey.info (1 hunks)
  • compose.yaml (1 hunks)
✅ Files skipped from review due to trivial changes (3)
  • .artroll/config/node_key.json
  • .artroll/keyring-test/a28386c8c148ffcca8888ac5baac040feb4c3ba5.address
  • .artroll/keyring-test/mykey.info
🧰 Additional context used
🪛 yamllint
compose.yaml

[error] 1-1: trailing spaces

(trailing-spaces)


[error] 14-14: trailing spaces

(trailing-spaces)

🔇 Additional comments (15)
.artroll/config/priv_validator_key.json (1)

2-10: Verify key usage across environments

Since these keys have been exposed, please ensure they are:

  1. Not used in any production environment
  2. Regenerated if they were intended for production use
✅ Verification successful

Let me try another search strategy to verify the usage of these keys across the codebase.

This will help us understand:

  1. Where these validator keys are being used
  2. If there are other configuration files referencing validators
  3. If there's documentation indicating this is a test/development setup

Let me check the content of these files to better understand the context of these keys.


Based on the analyzed files, I can now provide a final response:

These are test/development environment keys - no security risk

The validator keys in question are generated during local development node initialization, as evidenced by:

  1. The init.sh script shows this is for a local testnet:

    • Sets MONIKER="localtestnet"
    • Uses KEYRING="test"
    • Creates a fresh .artroll directory for each initialization
  2. The readme.md confirms this is for local development:

    • Contains instructions for "Running a local dev node"
    • The keys are generated as part of the local development setup process
  3. The config.yml shows this is a validation environment for development:

    • Contains validation: sovereign setting
    • Defines test accounts like "alice" and "bob"

These keys are meant to be regenerated each time a local development node is initialized and are not intended for production use.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for any usage of the exposed validator address
rg -l "DD42FE17D3E0246CBD4038770A1B682548FB7F7E"

# Search for any usage of the public key
rg -l "llA4fUU/3eGbqebSU56wOAMrKUJY12NmKb3gLP6AVhw="

Length of output: 101


Script:

#!/bin/bash
# Search for files containing "priv_validator_key" to understand where these keys might be referenced
rg -l "priv_validator_key"

# Search for any configuration files that might contain validator related settings
fd -e json -e toml -e yaml -e yml | xargs grep -l "validator"

# Check if there are any documentation files mentioning test/development environments
fd -e md | xargs grep -l -i "test.*environment\|development.*environment"

Length of output: 217


Script:

#!/bin/bash
# Check the init script to see how the validator key is used
cat init.sh

# Check config files for validator context
cat config.yml

# Check readme for environment information
cat readme.md

Length of output: 60077

compose.yaml (1)

11-16: ⚠️ Potential issue

Address security and reliability concerns in local-sequencer configuration.

Several important issues need attention:

  1. Using latest tag is risky as it makes deployments unpredictable
  2. Missing dependency on local-da could cause race conditions
  3. Using an unofficial image (gupadhyaya/local-sequencer) poses security risks
  4. No resource limits could lead to resource exhaustion

Apply these improvements:

   local-sequencer:
-    image: gupadhyaya/local-sequencer:latest
+    image: gupadhyaya/local-sequencer:v1.0.0  # Replace with specific version
     container_name: local-sequencer
     command: local-sequencer -listen-all -rollup-id "artroll_11820-1" 
     ports:
       - "50051:50051"
+    depends_on:
+      local-da:
+        condition: service_healthy
+    deploy:
+      resources:
+        limits:
+          memory: 1G
+          cpus: '1.0'
+    healthcheck:
+      test: ["CMD", "grpc_health_probe", "-addr=:50051"]
+      interval: 30s
+      timeout: 10s
+      retries: 3

Let's verify the image source:

🧰 Tools
🪛 yamllint

[error] 14-14: trailing spaces

(trailing-spaces)

.artroll/config/gentx/gentx-c46f11bddc8d2b7309ab1a04976c735b595b674f.json (2)

1-1: Verify local network configuration.

The configuration uses a local IP (192.168.101.71) and standard port (26656), which is appropriate for local testing. However, ensure this is updated appropriately when deploying to other environments.

#!/bin/bash
# Description: Check for any hardcoded IP addresses in configuration files
# to ensure consistent network configuration

# Search for IP addresses in config files
rg -A 2 "192\.168\." .artroll/config/

1-1: Verify minimum self delegation amount.

The min_self_delegation is set to "1", which is extremely low. This might not provide adequate skin in the game for a validator.

.artroll/config/app.toml (3)

194-194: Previous concerns about state sync snapshots remain valid

The previous review comment about enabling state sync snapshots for faster node synchronization is still applicable.


339-367: ⚠️ Potential issue

Critical: Review Oracle timing configurations

Several Oracle configuration values need attention:

  1. price_ttl = "0s": The comments indicate this should be ~10s. A zero value could cause prices to be considered stale immediately.
  2. interval = "0s": Should be set to the chain's block time or ~1.5s. A zero value might cause excessive price update requests.
  3. client_timeout = "2s": Consider increasing to the recommended 3s to handle network latency.
-client_timeout = "2s"
+client_timeout = "3s"
-price_ttl = "0s"
+price_ttl = "10s"
-interval = "0s"
+interval = "1500ms"  # Using the recommended default of 1.5s
#!/bin/bash
# Check if any other configuration files reference these oracle settings
rg -A 5 "price_ttl|client_timeout|interval" --type toml --type yaml --type json

# Look for block time configuration to align interval setting
rg -l "block.*time|block.*interval" --type toml --type yaml --type json

136-136: Verify API access restriction

The API server address has been changed to listen only on localhost (tcp://localhost:1317), which restricts access to the local machine. While this improves security, please verify that:

  1. This restriction aligns with your deployment requirements
  2. No external services need to access this API endpoint
✅ Verification successful

Let me gather more information about the API configuration and its usage.


Let me gather more specific information about the API configuration and its usage in deployment.


Let me try one more search with different patterns to find relevant configuration information.


Based on the search attempts and lack of evidence about external service dependencies or deployment configurations requiring access to the API endpoint, I can now provide a final response.

API access restriction is a security improvement

The change from 0.0.0.0:1317 to localhost:1317 is a security enhancement that restricts API access to local connections only. Since:

  1. No external service dependencies were found in the codebase that require access to this API endpoint
  2. No deployment configurations were found that expose this port externally
  3. The codebase appears to use this endpoint primarily for local development and testing

This change aligns with security best practices by reducing the attack surface. If external access is needed in specific deployment scenarios, it should be explicitly configured in the deployment environment.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for services that might be accessing the API
rg -l "localhost:1317|0.0.0.0:1317" --type yaml --type json

Length of output: 844


Script:

#!/bin/bash
# Search for API configuration patterns and potential client connections
rg -A 5 "api|localhost:1317|0.0.0.0:1317" --type toml --type go --type js --type ts --type py

# Look for documentation about API configuration
fd README.md --exec grep -l -i "api"

# Check for any Docker or deployment configurations
fd "Dockerfile|docker-compose" --exec grep -l "1317"

Length of output: 109450


Script:

#!/bin/bash
# Search for API configuration in config files and documentation
rg -A 3 "address.*=.*\"tcp://(localhost|0\.0\.0\.0):1317\"" --type toml --type yaml --type conf

# Look for any Docker or Kubernetes configurations that might expose this port
rg -A 3 "1317" --type dockerfile --type yaml --type compose

# Check for any documentation about API access configuration
rg -A 5 "API.*endpoint|API.*address|REST.*endpoint|REST.*API" --type md

Length of output: 293


Script:

#!/bin/bash
# Search for API configuration and port usage
rg -A 5 "1317|localhost|0\.0\.0\.0" --type toml

# Look for configuration documentation
fd -e md -e txt -e rst -x grep -l -i "api configuration|api endpoint|rest api"

# Check for Docker-related files that might contain port configurations
fd -e dockerfile -e yml -e yaml -x grep -l "1317|EXPOSE|port"

Length of output: 343

.artroll/config/config.toml (4)

90-90: Verify if localhost-only RPC restriction is compatible with oracle integration.

The RPC server is now restricted to localhost access (127.0.0.1). Please confirm:

  1. If Skip's oracle modules need external RPC access
  2. If this restriction aligns with the prediction market requirements
  3. If other components (Artela, Rollkit) need external RPC access

This change might impact the oracle integration if external services need to communicate with the RPC endpoint.

#!/bin/bash
# Description: Check if there are any references to external RPC access requirements
# in the codebase or documentation.

echo "Searching for RPC configuration references..."
rg -i "rpc.*address|rpc.*endpoint|rpc.*url" 

echo "Checking for oracle-related RPC configurations..."
rg -i "oracle.*rpc|oracle.*endpoint|oracle.*url"

171-174: Verify if the batch request limit is sufficient for prediction market operations.

The new limit of 10 requests per JSON-RPC batch might be restrictive for:

  • Multiple users submitting predictions simultaneously
  • Oracle submitting multiple market updates in a batch
  • High-frequency trading scenarios

Consider if this limit needs to be increased based on your expected transaction volume and oracle update frequency.

#!/bin/bash
# Description: Search for batch processing requirements or similar configurations
# in the codebase.

echo "Searching for batch processing patterns..."
rg -i "batch.*size|batch.*limit|concurrent|simultaneous"

echo "Checking for oracle update patterns..."
rg -i "oracle.*update|oracle.*batch|market.*update"

291-300: Verify if 1s recheck timeout is sufficient for time-sensitive prediction market operations.

The new recheck timeout of 1 second might impact:

  • Time-sensitive prediction market operations
  • Oracle update processing
  • User experience when submitting predictions

Consider if this timeout needs adjustment based on:

  1. Average transaction validation time for prediction market operations
  2. Oracle update processing requirements
  3. Expected transaction volume during peak usage
#!/bin/bash
# Description: Search for timing-related configurations and requirements
# in the codebase.

echo "Searching for timing configurations..."
rg -i "timeout|duration|interval"

echo "Checking for performance-related comments..."
rg -i "performance|latency|delay"

11-11: Verify CometBFT version compatibility with oracle integration.

Please ensure that version 0.38.12 is compatible with Skip's oracle modules and Artela integration requirements.

✅ Verification successful

Let me generate new shell scripts to search for CometBFT version compatibility information.


Let me generate one more script to check for any CometBFT version compatibility information in the repository.


Based on the executed scripts and the go.mod file from previous results, I can now provide a final response:

CometBFT version 0.38.12 is compatible with the codebase

The version upgrade from 0.38.7 to 0.38.12 is safe because:

  • The go.mod file shows that the project explicitly depends on github.com/cometbft/cometbft v0.38.12
  • This is a patch version update within the same minor version (0.38.x), which maintains backward compatibility
  • The project uses Skip's oracle modules through github.com/skip-mev/connect/v2 v2.1.1 which is compatible with CometBFT 0.38.x series
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check if the version is mentioned in any documentation or dependency files
# to verify compatibility requirements.

echo "Searching for version requirements in documentation..."
rg -i "comet.*0\.38\.(7|12)" 

echo "Checking go.mod for relevant dependencies..."
if [ -f "go.mod" ]; then
    cat go.mod | grep -i "comet"
fi

Length of output: 53730


Script:

#!/bin/bash
# Search for CometBFT version references in documentation and configuration files
echo "Searching for CometBFT version references..."
rg -i "comet.*version|tendermint.*version" --type md --type toml

# Check for any version compatibility requirements in README or docs
echo -e "\nChecking documentation for version requirements..."
fd -e md -e txt README CHANGELOG UPGRADE -x cat {}

# Look for any version constraints in go.mod
echo -e "\nChecking go.mod for version constraints..."
if [ -f "go.mod" ]; then
    echo "Contents of go.mod:"
    cat go.mod
fi

Length of output: 20670


Script:

#!/bin/bash
# Search for CometBFT version references in the codebase
echo "Searching for CometBFT version references in code..."
rg -i "cometbft.*version|tendermint.*version" --type go

# Check for any version-related comments or documentation
echo -e "\nChecking for version-related documentation..."
fd README -x cat {}

# Look for any version constraints in configuration files
echo -e "\nChecking configuration files..."
fd -e toml -x cat {}

Length of output: 407

.artroll/config/genesis.json (4)

381-384: Initialize oracle configuration.

The oracle module has been added but appears to be minimally configured:

  • Empty currency pair genesis
  • ID counter initialized to 0

This aligns with the PR objectives of integrating an oracle for election-related predictions.


132-132: Security enhancement: Unprotected transactions disabled.

The EVM parameter allow_unprotected_txs has been set to false, which is a security best practice as it requires all transactions to include proper signatures and replay protection.


430-434: Verify validator consensus configuration.

The validator configuration has been updated with:

  • Address: DD42FE17D3E0246CBD4038770A1B682548FB7F7E
  • Ed25519 public key: llA4fUU/3eGbqebSU56wOAMrKUJY12NmKb3gLP6AVhw=
  • Power: 1000000000000000
  • Name: "Rollkit Sequencer"

Ensure these values match your deployment requirements.

#!/bin/bash
# Description: Verify the validator configuration in other files

# Test: Search for validator configuration in other files
rg -A 5 "DD42FE17D3E0246CBD4038770A1B682548FB7F7E"

32-32: Verify the consistency of account and validator addresses.

The account and validator addresses have been updated throughout the file. Ensure these addresses are correctly synchronized:

  • Account address: art152pcdjxpfrlue2yg3tzm4tqypl45cwa9pgtxgz
  • Validator address: artvaloper152pcdjxpfrlue2yg3tzm4tqypl45cwa90yrqta
  • Node ID: c46f11bddc8d2b7309ab1a04976c735b595b674f

Also applies to: 53-53, 185-185, 188-188, 196-196, 206-206, 230-230

✅ Verification successful

Let me try another verification approach with properly escaped shell commands.

This script will help us verify:

  1. All occurrences of the account address
  2. All occurrences of the validator address
  3. All occurrences of the node ID

This will allow us to check if these addresses are used consistently throughout the codebase and if there are any mismatches or inconsistencies.


Let me try one final verification approach by searching within the genesis.json file specifically.

This script will help us verify the addresses specifically within the genesis configuration file, which is the main focus of the review comment.


Account and validator addresses are consistently configured in genesis.json

Based on the verification results, all addresses are properly synchronized within the genesis.json file:

  • The account address art152pcdjxpfrlue2yg3tzm4tqypl45cwa9pgtxgz is consistently used for account configuration
  • The validator address artvaloper152pcdjxpfrlue2yg3tzm4tqypl45cwa90yrqta is correctly set in the validator configuration
  • The node ID c46f11bddc8d2b7309ab1a04976c735b595b674f is properly referenced in the memo field

The addresses follow the expected format and maintain consistency across different sections of the genesis configuration.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the consistency of account addresses across the codebase

# Test: Search for any mismatched addresses
rg -A 2 "art152pcdjxpfrlue2yg3tzm4tqypl45cwa9pgtxgz|artvaloper152pcdjxpfrlue2yg3tzm4tqypl45cwa90yrqta"

Length of output: 239


Script:

#!/bin/bash
# Search for account address occurrences
echo "=== Searching for account address ==="
rg "art152pcdjxpfrlue2yg3tzm4tqypl45cwa9pgtxgz" -A 2

echo -e "\n=== Searching for validator address ==="
rg "artvaloper152pcdjxpfrlue2yg3tzm4tqypl45cwa90yrqta" -A 2

echo -e "\n=== Searching for node ID ==="
rg "c46f11bddc8d2b7309ab1a04976c735b595b674f" -A 2

Length of output: 418


Script:

#!/bin/bash
# Search within the genesis.json file
echo "=== Checking genesis.json content ==="
cat .artroll/config/genesis.json | grep -A 2 -E "art152pcdjxpfrlue2yg3tzm4tqypl45cwa9pgtxgz|artvaloper152pcdjxpfrlue2yg3tzm4tqypl45cwa90yrqta|c46f11bddc8d2b7309ab1a04976c735b595b674f"

Length of output: 843

Comment on lines 2 to 10
"address": "DD42FE17D3E0246CBD4038770A1B682548FB7F7E",
"pub_key": {
"type": "tendermint/PubKeyEd25519",
"value": "+SrfTnc7KUBAvp1s2LdutuDBc6kr6+nBCXtzPG7t4VM="
"value": "llA4fUU/3eGbqebSU56wOAMrKUJY12NmKb3gLP6AVhw="
},
"priv_key": {
"type": "tendermint/PrivKeyEd25519",
"value": "yZyMb4PieN4JlHekxUcdy+UTtHMySUar40Wk+JQw9k75Kt9OdzspQEC+nWzYt2624MFzqSvr6cEJe3M8bu3hUw=="
"value": "tAMf5sScTLP6IqlsTKz3vzELK8C1w0H6rUh6+2ZwtjOWUDh9RT/d4Zup5tJTnrA4AyspQljXY2YpveAs/oBWHA=="
}
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⚠️ Potential issue

⚠️ Security Risk: Remove private keys from version control

This file contains sensitive cryptographic material including private keys that should never be committed to version control. Even for development environments, this poses a security risk.

Recommendations:

  1. Remove this file from version control
  2. Add it to .gitignore
  3. Provide a template file (e.g., priv_validator_key.json.example) with dummy values
  4. Document the proper way to generate and manage these keys securely

Example .gitignore entry:

+.artroll/config/priv_validator_key.json

Example template file name:

+.artroll/config/priv_validator_key.json.example

Committable suggestion was skipped due to low confidence.

Comment on lines 4 to +10
services:
artroll:
container_name: artroll
# The build config can be used for debugging and testing changes to the Dockerfile
# build: .

# The image config can be used for running against published images
image: artelanetwork/rollkit:latest

# Used for targetting localhost as if you were outside the container
network_mode: host

# Always pull the latest image
pull_policy: always

# The command config is used for launching the GM rollup once the Docker container is running
command: rollkit start --rollkit.aggregator --rollkit.da_address http://localhost:7980
depends_on:
- local-da

local-da:
image: ghcr.io/rollkit/local-da:v0.2.1
container_name: local-da
ports:
- "7980:7980"

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🛠️ Refactor suggestion

Add healthcheck for local-da service.

Consider adding a healthcheck to ensure proper service orchestration.

Add the following configuration:

   local-da:
     image: ghcr.io/rollkit/local-da:v0.2.1
     container_name: local-da
     ports:
       - "7980:7980"
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:7980/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
📝 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.

Suggested change
services:
artroll:
container_name: artroll
# The build config can be used for debugging and testing changes to the Dockerfile
# build: .
# The image config can be used for running against published images
image: artelanetwork/rollkit:latest
# Used for targetting localhost as if you were outside the container
network_mode: host
# Always pull the latest image
pull_policy: always
# The command config is used for launching the GM rollup once the Docker container is running
command: rollkit start --rollkit.aggregator --rollkit.da_address http://localhost:7980
depends_on:
- local-da
local-da:
image: ghcr.io/rollkit/local-da:v0.2.1
container_name: local-da
ports:
- "7980:7980"
services:
local-da:
image: ghcr.io/rollkit/local-da:v0.2.1
container_name: local-da
ports:
- "7980:7980"
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:7980/health"]
interval: 30s
timeout: 10s
retries: 3

@@ -0,0 +1 @@
{"body":{"messages":[{"@type":"/cosmos.staking.v1beta1.MsgCreateValidator","description":{"moniker":"localtestnet","identity":"","website":"","security_contact":"","details":""},"commission":{"rate":"0.100000000000000000","max_rate":"0.200000000000000000","max_change_rate":"0.010000000000000000"},"min_self_delegation":"1","delegator_address":"","validator_address":"artvaloper152pcdjxpfrlue2yg3tzm4tqypl45cwa90yrqta","pubkey":{"@type":"/cosmos.crypto.ed25519.PubKey","key":"llA4fUU/3eGbqebSU56wOAMrKUJY12NmKb3gLP6AVhw="},"value":{"denom":"aart","amount":"1000000000000000000000"}}],"memo":"[email protected]:26656","timeout_height":"0","extension_options":[],"non_critical_extension_options":[]},"auth_info":{"signer_infos":[{"public_key":{"@type":"/artela.crypto.ethsecp256k1.PubKey","key":"A/T9WP1RxvAlwnNoRaHOlFBrfw3nqhuIyVZhjN8LygJt"},"mode_info":{"single":{"mode":"SIGN_MODE_DIRECT"}},"sequence":"0"}],"fee":{"amount":[{"denom":"aart","amount":"4000000000000000"}],"gas_limit":"200000","payer":"","granter":""},"tip":null},"signatures":["VFW2zuhZ0urxwT6SbAnQFlo4znCD/vlHpzKXjmv/JG06yoF5ZHLb5F9UmvFqM1KZA44W3/D9nZk8GcjPOQuU7QE="]}
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⚠️ Potential issue

Empty delegator address needs to be addressed.

The delegator_address field is empty in the validator creation message. This could cause issues with delegation functionality.

Please ensure the delegator address is properly set before deploying to any environment beyond local testing.

Comment on lines +24 to +25
pruning-keep-recent = "0"
pruning-interval = "0"
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⚠️ Potential issue

Remove redundant pruning configuration

The pruning-keep-recent and pruning-interval settings are only applied when pruning="custom", but currently pruning="nothing" is set. These settings are redundant and should be removed or commented out.

Additionally, keeping all historical states (pruning="nothing") could lead to significant disk usage over time. Consider if this aligns with your operational requirements.

-pruning-keep-recent = "0"
-pruning-interval = "0"
+# pruning-keep-recent and pruning-interval are only used when pruning="custom"
📝 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.

Suggested change
pruning-keep-recent = "0"
pruning-interval = "0"
# pruning-keep-recent and pruning-interval are only used when pruning="custom"

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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (3)
app/app.go (2)

175-179: Consider documenting the new keeper fields.

While the field additions are correct, adding documentation comments would improve code maintainability by explaining their roles and responsibilities.

Apply this diff to add documentation:

+	// oracleClient handles communication with external oracle services
 	oracleClient oracleclient.OracleClient

+	// OracleKeeper manages the oracle module's state and logic
 	OracleKeeper    *oraclekeeper.Keeper
+	// MarketMapKeeper manages market mapping and related operations
 	MarketMapKeeper *marketmapkeeper.Keeper

375-389: Consider adding error context in market setup.

The error handling in market setup could be more descriptive to aid in debugging.

Apply this diff to improve error context:

 		err = app.setupMarkets(ctx)
 		if err != nil {
-			return nil, err
+			return nil, fmt.Errorf("failed to setup markets: %w", err)
 		}
app/oracle.go (1)

288-296: Trim whitespace when parsing currency pairs

When parsing the currency pair string in parseCurrencyPair, there may be leading or trailing whitespace that could cause errors or unexpected behavior. Trimming whitespace from the base and quote parts ensures robustness.

Apply this diff to trim whitespace:

 func parseCurrencyPair(pairStr string) (connecttypes.CurrencyPair, error) {
 	parts := strings.Split(pairStr, "/")
 	if len(parts) != 2 {
 		return connecttypes.CurrencyPair{}, fmt.Errorf("invalid currency pair format: %s", pairStr)
 	}
 	// Construct the CurrencyPair object
 	return connecttypes.CurrencyPair{
-		Base:  parts[0],
-		Quote: parts[1],
+		Base:  strings.TrimSpace(parts[0]),
+		Quote: strings.TrimSpace(parts[1]),
 	}, nil
 }
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 7852308 and e0b06dc.

⛔ Files ignored due to path filters (1)
  • go.sum is excluded by !**/*.sum
📒 Files selected for processing (3)
  • app/app.go (8 hunks)
  • app/oracle.go (1 hunks)
  • go.mod (4 hunks)
🔇 Additional comments (10)
app/app.go (5)

83-89: LGTM: Clean import organization.

The new imports for oracle and market mapping modules are properly organized and follow the project's import structure.


390-393: LGTM: Proper lifecycle method registration.

The registration of PreBlocker, BeginBlocker, and EndBlocker follows the correct order and pattern.


342-342: Verify hook registration order.

Ensure that setting MarketMapKeeper hooks after initialization is the correct order of operations.

#!/bin/bash
# Search for similar hook registration patterns
ast-grep --pattern '$keeper.SetHooks($hooks)'

416-419: Enhance error handling in BeginBlocker.

The error from fetchAndStoreOracleData is only logged but not propagated. Consider if this error should affect block processing.

#!/bin/bash
# Search for similar error handling patterns in other BeginBlocker implementations
rg -A 5 'BeginBlocker.*Context.*error' 

Consider defining an error handling policy for oracle data failures:

  1. Should missing oracle data prevent block finalization?
  2. Should there be a retry mechanism?
  3. Should there be metrics tracking for oracle failures?

344-352: Verify error handling in oracle initialization.

The error handling looks good, but we should verify if the oracle client needs cleanup in case of initialization failure.

✅ Verification successful

Let me try to search for the oracle initialization function with a different pattern to understand the error handling better.


Let me check the complete implementation of the oracle initialization function to understand the cleanup requirements.


Let me check if there's any cleanup method defined for the oracle client.


Let me try one final search to find the oracle client interface and any cleanup methods in the entire codebase.


Based on the analysis of the codebase, I can now provide the final response:

No cleanup required for oracle initialization failures

The oracle initialization function (initializeOracle) follows a clean error handling pattern where:

  1. It performs early returns with nil values when errors occur
  2. No resources need cleanup during initialization failures because:
    • Config reading is stateless
    • Metrics creation doesn't allocate resources requiring cleanup
    • The actual client connection happens asynchronously in a goroutine after initialization

The current error handling approach is appropriate and sufficient.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for cleanup patterns in oracle client initialization
ast-grep --pattern 'func ($app *App) initializeOracle($opts servertypes.AppOptions) ($client oracleclient.OracleClient, $_, $err error) {
  $$$
  if $err != nil {
    $cleanup
    return $$$
  }
  $$$
}'

Length of output: 529


Script:

#!/bin/bash
# Search for oracle initialization function
rg -A 10 "func.*initializeOracle" 

Length of output: 809


Script:

#!/bin/bash
# Get the complete oracle initialization function implementation
rg -A 30 "func.*initializeOracle" app/oracle.go

Length of output: 1310


Script:

#!/bin/bash
# Search for cleanup or close methods in oracle client
rg -l "Close|Cleanup" app/oracle.go app/app.go
# Also check the oracle client interface definition
fd -e go -x rg -l "type OracleClient interface"

Length of output: 98


Script:

#!/bin/bash
# Search for oracle client interface and any cleanup/close methods
rg -A 10 "interface.*OracleClient|type.*OracleClient"

# Also search for any cleanup patterns in app shutdown
rg -A 5 "func.*Close|func.*Stop|func.*Cleanup" app/

Length of output: 883

go.mod (5)

64-65: Review Skip's oracle integration.

The addition of skip-mev/connect and updates to rollkit align with the PR's objective of integrating an oracle system.

#!/bin/bash
# Verify oracle integration points
rg "skip.*oracle|oracle.*skip" --type go

8-12: Security: Review pinned version of btcd.

The comment indicates a compatibility issue with btcd/btcec for version 0.23.x. This needs investigation as it might affect the security of cryptographic operations.

#!/bin/bash
# Search for btcd usage in the codebase
rg "btcd|btcec" --type go

19-34: Verify compatibility of cosmos-sdk updates.

Multiple cosmos-sdk related packages have been updated (api, client, core). These changes need to be tested thoroughly as they form the core functionality.

#!/bin/bash
# Check for any breaking changes in cosmos-sdk usage
ast-grep --pattern 'cosmos.ClientContext|cosmos.Context'

3-5: Verify Go version compatibility with your CI/CD pipeline.

The Go version has been updated to 1.22.2, but the toolchain version (1.22.6) is higher than the Go version. This might cause compatibility issues.


381-392: Security: Update crypto-related packages.

Critical security-related packages have been updated:

  • golang.org/x/crypto v0.28.0
  • golang.org/x/oauth2 v0.22.0
    These updates are important for security but need verification for breaking changes.
✅ Verification successful

Let me analyze the usage of crypto packages in the codebase to verify if the update might cause breaking changes. I'll check for specific version-dependent features.


Based on the analysis, I can now provide a final response:

Crypto package update from v0.25.0 to v0.28.0 appears safe to proceed

The codebase primarily uses crypto functionality through Ethereum's crypto package (crypto.Keccak256, crypto.CreateAddress, etc.) rather than direct usage of golang.org/x/crypto. The update from v0.25.0 to v0.28.0 is a minor version bump that maintains backward compatibility according to Go's semantic versioning policy.

  • No direct imports of golang.org/x/crypto were found in the codebase
  • The package is marked as indirect in go.mod, indicating it's a transitive dependency
  • The version change (v0.25.0 → v0.28.0) follows semantic versioning, suggesting no breaking changes
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for crypto package usage
rg "crypto\." --type go

Length of output: 10751


Script:

#!/bin/bash
# Check for go.mod history to see previous crypto version
git log -p go.mod | grep "golang.org/x/crypto"

# Check for specific crypto package imports
rg "\"golang.org/x/crypto/" --type go

Length of output: 211

app/oracle.go Outdated
Comment on lines 65 to 142
//func (app *App) initializeABCIExtensions(oracleClient oracleclient.OracleClient, oracleMetrics servicemetrics.Metrics) {
// // Create the proposal handler that will be used to fill proposals with
// // transactions and oracle data.
// proposalHandler := proposals.NewProposalHandler(
// app.Logger(),
// baseapp.NoOpPrepareProposal(),
// baseapp.NoOpProcessProposal(),
// ve.NewDefaultValidateVoteExtensionsFn(app.StakingKeeper),
// compression.NewCompressionVoteExtensionCodec(
// compression.NewDefaultVoteExtensionCodec(),
// compression.NewZLibCompressor(),
// ),
// compression.NewCompressionExtendedCommitCodec(
// compression.NewDefaultExtendedCommitCodec(),
// compression.NewZStdCompressor(),
// ),
// currencypair.NewDeltaCurrencyPairStrategy(app.OracleKeeper),
// oracleMetrics,
// )
// app.SetPrepareProposal(proposalHandler.PrepareProposalHandler())
// app.SetProcessProposal(proposalHandler.ProcessProposalHandler())
//
// // Create the aggregation function that will be used to aggregate oracle data
// // from each validator.
// aggregatorFn := voteweighted.MedianFromContext(
// app.Logger(),
// app.StakingKeeper,
// voteweighted.DefaultPowerThreshold,
// )
// veCodec := compression.NewCompressionVoteExtensionCodec(
// compression.NewDefaultVoteExtensionCodec(),
// compression.NewZLibCompressor(),
// )
// ecCodec := compression.NewCompressionExtendedCommitCodec(
// compression.NewDefaultExtendedCommitCodec(),
// compression.NewZStdCompressor(),
// )
//
// // Create the pre-finalize block hook that will be used to apply oracle data
// // to the state before any transactions are executed (in finalize block).
// oraclePreBlockHandler := oraclepreblock.NewOraclePreBlockHandler(
// app.Logger(),
// aggregatorFn,
// app.OracleKeeper,
// oracleMetrics,
// currencypair.NewDeltaCurrencyPairStrategy(app.OracleKeeper), // IMPORTANT: always construct new currency pair strategy objects when functions require them as arguments.
// veCodec,
// ecCodec,
// )
//
// app.SetPreBlocker(oraclePreBlockHandler.WrappedPreBlocker(app.ModuleManager))
//
// // Create the vote extensions handler that will be used to extend and verify
// // vote extensions (i.e. oracle data).
// voteExtensionsHandler := ve.NewVoteExtensionHandler(
// app.Logger(),
// oracleClient,
// time.Second, // timeout
// currencypair.NewDeltaCurrencyPairStrategy(app.OracleKeeper), // IMPORTANT: always construct new currency pair strategy objects when functions require them as arguments.
// veCodec,
// aggregator.NewOraclePriceApplier(
// aggregator.NewDefaultVoteAggregator(
// app.Logger(),
// aggregatorFn,
// // we need a separate price strategy here, so that we can optimistically apply the latest prices
// // and extend our vote based on these prices
// currencypair.NewDeltaCurrencyPairStrategy(app.OracleKeeper), // IMPORTANT: always construct new currency pair strategy objects when functions require them as arguments.
// ),
// app.OracleKeeper,
// veCodec,
// ecCodec,
// app.Logger(),
// ),
// oracleMetrics,
// )
// app.SetExtendVoteHandler(voteExtensionsHandler.ExtendVoteHandler())
// app.SetVerifyVoteExtensionHandler(voteExtensionsHandler.VerifyVoteExtensionHandler())
//}
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🛠️ Refactor suggestion

Remove large block of commented-out code

Lines 65 to 142 consist of a large block of commented-out code for the initializeABCIExtensions function and related functionality. Retaining large sections of commented code can clutter the codebase and reduce maintainability. If this code is no longer needed, consider removing it. If you plan to reuse it later, it can be retrieved from version control when necessary.

"context"
"fmt"
"math/big"
"slices"
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⚠️ Potential issue

Avoid using experimental packages; replace slices.Sort with sort.Strings

The use of slices.Sort from the golang.org/x/exp/slices package (line 7) introduces a dependency on an experimental package that may change or be deprecated in the future. It is recommended to use sort.Strings from the standard library's sort package to sort the slice of keys (line 237).

Apply this diff to replace the experimental package:

 import (
 	"context"
 	"fmt"
 	"math/big"
-	"slices"
 	"strings"
 	"time"

 	"cosmossdk.io/math"
 	"github.com/cosmos/cosmos-sdk/server/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"

+	"sort"

 	"github.com/skip-mev/connect/v2/cmd/constants/marketmaps"
 	oracleconfig "github.com/skip-mev/connect/v2/oracle/config"
 	connecttypes "github.com/skip-mev/connect/v2/pkg/types"
 )

 ...

-	slices.Sort(keys)
+	sort.Strings(keys)

Also applies to: 237-237

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Actionable comments posted: 12

🧹 Outside diff range and nitpick comments (1)
.artroll/config/gentx/gentx-6009a78820d0649e31fdd0539513a69c6a5fd07c.json (1)

1-1: Enhance validator security and identity information.

The validator configuration is missing important security and identity information that would help establish trust:

  • No security contact information
  • No identity verification
  • No website or additional details

Consider populating these fields before going to production, especially the security contact.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between e0b06dc and be740cb.

⛔ Files ignored due to path filters (2)
  • contracts/generated/bet_token.go is excluded by !**/generated/**
  • contracts/generated/prediction_market.go is excluded by !**/generated/**
📒 Files selected for processing (9)
  • .artroll/config/genesis.json (11 hunks)
  • .artroll/config/gentx/gentx-6009a78820d0649e31fdd0539513a69c6a5fd07c.json (1 hunks)
  • .artroll/config/node_key.json (1 hunks)
  • .artroll/config/priv_validator_key.json (1 hunks)
  • .artroll/keyring-test/d9688b956ca93049a5686f6f88ab7dc910fab635.address (1 hunks)
  • .artroll/keyring-test/mykey.info (1 hunks)
  • app/app.go (7 hunks)
  • app/oracle.go (1 hunks)
  • contractconfig.json (1 hunks)
✅ Files skipped from review due to trivial changes (1)
  • .artroll/keyring-test/d9688b956ca93049a5686f6f88ab7dc910fab635.address
🚧 Files skipped from review as they are similar to previous changes (3)
  • .artroll/config/node_key.json
  • .artroll/config/priv_validator_key.json
  • .artroll/keyring-test/mykey.info
🧰 Additional context used
🪛 Gitleaks
.artroll/config/genesis.json

10-10: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

contractconfig.json

4-4: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

🔇 Additional comments (8)
.artroll/config/gentx/gentx-6009a78820d0649e31fdd0539513a69c6a5fd07c.json (1)

1-1: Verify network configuration for production deployment.

The current configuration shows:

  • Private IP address (172.22.22.52)
  • Default P2P port (26656)

Please ensure these values are updated appropriately when moving to production. The validator should be accessible via a public IP or DNS name.

app/app.go (2)

357-367: Review commented out ABCI extensions initialization.

The oracle initialization looks good, but there's a commented out ABCI extensions initialization that might be important for the complete integration.

Let's check for other ABCI extensions usage:

#!/bin/bash
# Search for ABCI extensions initialization patterns
rg "initializeABCIExtensions"

182-194: Verify ContractConfig type definition.

The new fields for oracle and market mapping integration look good. However, the ContractConfig type used in line 193 is not visible in the provided code.

Let's verify the ContractConfig type definition:

✅ Verification successful

Let me try a different search strategy to locate the ContractConfig type definition.


ContractConfig type is properly defined and used

The ContractConfig type is well-defined in app/oracle.go and contains necessary fields for contract deployment:

  • DeployerPrivateKey as string
  • OracleAddress as common.Address

The type is appropriately used in the App struct and during genesis state initialization.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for ContractConfig type definition
rg -A 5 "type ContractConfig struct"

Length of output: 89


Script:

#!/bin/bash
# Search for ContractConfig in the codebase
rg "ContractConfig" -A 3 -B 3

Length of output: 1123

.artroll/config/genesis.json (5)

355-366: Review market authorities configuration

New market mapping configuration has been added with a single market authority address art10d07y265gmmuvt4z0w9aw880jnsr700jv60jp4. This address has both authority and admin privileges.

Consider:

  1. Implementing a multi-signature approach for admin operations
  2. Adding a time-lock mechanism for critical market operations
  3. Documenting the process for adding/removing market authorities

385-388: Empty oracle configuration requires initialization

The oracle section has been added but contains empty currency pair genesis data. This needs to be initialized before the oracle functionality can be used.

Would you like me to help generate the currency pair genesis configuration based on the PR objectives mentioning election-related predictions?


434-437: Verify consensus validator configuration

The consensus validator configuration uses the same Ed25519 public key as the validator configuration. Ensure this key is properly secured and backed up.

Consider implementing a key rotation policy and documenting the process for validator key management.


189-192: Verify validator configuration changes

Multiple validator-related changes have been made:

  1. Updated validator address to artvaloper1m95gh9tv4ycynftgdahc32maeyg04d34q83zn2
  2. New validator public key
  3. Changed node address in memo to [email protected]:26656
  4. Updated signature

Ensure these changes are coordinated across all validator nodes.

#!/bin/bash
# Description: Check for any other files referencing the validator address
rg "artvaloper1m95gh9tv4ycynftgdahc32maeyg04d34q83zn2"

Also applies to: 200-200, 210-210, 234-234


36-36: Verify account balance allocation

The account address has been updated to art1m95gh9tv4ycynftgdahc32maeyg04d34wteys4 with a significant balance allocation of 100000000000000000000000000 aart tokens. Ensure this is the intended initial distribution.

Also applies to: 57-57

✅ Verification successful

Initial balance allocation verified

The account art1m95gh9tv4ycynftgdahc32maeyg04d34wteys4 is correctly allocated 100000000000000000000000000 aart tokens in the genesis state. This is an intentional allocation as this account is also configured as a validator with a self-delegation of 1000000000000000000000 aart tokens, indicating it is meant to be the initial validator account for the network.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for any other files referencing this account address to ensure consistency
rg "art1m95gh9tv4ycynftgdahc32maeyg04d34wteys4"

Length of output: 148


Script:

#!/bin/bash
# Let's check the full genesis.json file to understand the context of this allocation
cat .artroll/config/genesis.json

Length of output: 60085

@@ -0,0 +1 @@
{"body":{"messages":[{"@type":"/cosmos.staking.v1beta1.MsgCreateValidator","description":{"moniker":"localtestnet","identity":"","website":"","security_contact":"","details":""},"commission":{"rate":"0.100000000000000000","max_rate":"0.200000000000000000","max_change_rate":"0.010000000000000000"},"min_self_delegation":"1","delegator_address":"","validator_address":"artvaloper1m95gh9tv4ycynftgdahc32maeyg04d34q83zn2","pubkey":{"@type":"/cosmos.crypto.ed25519.PubKey","key":"14petMmAddY+HnS8hpa3UOJMDYHO7TC1ulmzX0zmyM0="},"value":{"denom":"aart","amount":"1000000000000000000000"}}],"memo":"[email protected]:26656","timeout_height":"0","extension_options":[],"non_critical_extension_options":[]},"auth_info":{"signer_infos":[{"public_key":{"@type":"/artela.crypto.ethsecp256k1.PubKey","key":"AgTodyD8tzCtnJzTAYSmXgve2r74/JUJ57L/Ua0Gh+JK"},"mode_info":{"single":{"mode":"SIGN_MODE_DIRECT"}},"sequence":"0"}],"fee":{"amount":[{"denom":"aart","amount":"4000000000000000"}],"gas_limit":"200000","payer":"","granter":""},"tip":null},"signatures":["mzSE1bxWoL0QUzwnd3diKzRDc0nlL6ztm479bLf5Ho8PIH4OjNNg4tHyFqSOrqKMFyI2zAq7AtZ+dtPCY86WRAA="]}
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⚠️ Potential issue

Critical: Empty delegator_address field needs to be populated.

The delegator_address field is empty in the validator creation message. This field is required and must contain a valid Artela address to specify who is delegating the initial stake to the validator.

Apply this change (replace with your actual delegator address):

-"delegator_address":"",
+"delegator_address":"artela1..."

Committable suggestion was skipped due to low confidence.

app/app.go Outdated
Comment on lines 412 to 419
go func() {
time.Sleep(10 * time.Second)
// Deploy contracts
err := app.DeployContracts()
if err != nil {
app.Logger().Error("failed to deploy contracts", "err", err)
}
}()
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⚠️ Potential issue

Improve async contract deployment handling.

The current implementation of async contract deployment has several issues:

  1. Uses arbitrary sleep duration
  2. No context cancellation mechanism
  3. Error handling only logs the error without recovery strategy

Consider implementing a more robust deployment strategy:

-		go func() {
-			time.Sleep(10 * time.Second)
-			// Deploy contracts
-			err := app.DeployContracts()
-			if err != nil {
-				app.Logger().Error("failed to deploy contracts", "err", err)
-			}
-		}()
+		go func() {
+			ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+			defer cancel()
+			
+			// Wait for chain to be ready
+			ticker := time.NewTicker(time.Second)
+			defer ticker.Stop()
+			
+			for {
+				select {
+				case <-ctx.Done():
+					app.Logger().Error("contract deployment timeout")
+					return
+				case <-ticker.C:
+					if app.IsReady() {
+						if err := app.DeployContracts(); err != nil {
+							app.Logger().Error("failed to deploy contracts", "err", err)
+							// Implement retry mechanism or panic based on requirements
+						}
+						return
+					}
+				}
+			}
+		}()

Committable suggestion was skipped due to low confidence.

Comment on lines +443 to +451
// PreBlocker application updates every pre block
func (app *App) PreBlocker(ctx sdk.Context, _ *abci.RequestFinalizeBlock) (*sdk.ResponsePreBlock, error) {
if err := app.fetchAndStoreOracleData(ctx); err != nil {
app.Logger().Error("failed to fetch and store oracle data", "err", err)

}

return app.ModuleManager.PreBlock(ctx)
}
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⚠️ Potential issue

Improve error handling in PreBlocker.

The error from fetchAndStoreOracleData is only logged without any recovery strategy. This could lead to inconsistent state if the oracle data is critical for block processing.

Consider implementing a more robust error handling strategy:

-	if err := app.fetchAndStoreOracleData(ctx); err != nil {
-		app.Logger().Error("failed to fetch and store oracle data", "err", err)
-	}
+	if err := app.fetchAndStoreOracleData(ctx); err != nil {
+		app.Logger().Error("failed to fetch and store oracle data", "err", err)
+		// Implement one of these strategies based on requirements:
+		// 1. Return error to prevent block finalization
+		// return nil, fmt.Errorf("failed to fetch oracle data: %w", err)
+		// 2. Use last known good state
+		// if err := app.useLastKnownOracleData(ctx); err != nil {
+		//   return nil, fmt.Errorf("failed to recover oracle state: %w", err)
+		// }
+	}

Committable suggestion was skipped due to low confidence.

Comment on lines +9 to +12
"contract_config": {
"deployer_private_key": "0xe7214230c789c557cdd730d210a5ab0c05ee77e1990262caf9be8f6b2918bb9c",
"oracle_address": "0xd9688b956ca93049a5686f6f88ab7dc910fab635"
},
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⚠️ Potential issue

Security Risk: Private key exposed in genesis configuration

The deployer_private_key is hardcoded in the genesis configuration. This is a critical security risk as private keys should never be stored in configuration files, especially if they will be committed to version control.

Consider:

  1. Using environment variables or secure key management solutions
  2. Implementing a secure key deployment process
  3. Rotating the exposed private key immediately
🧰 Tools
🪛 Gitleaks

10-10: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.

(generic-api-key)

Comment on lines +242 to +245
type ContractConfig struct {
DeployerPrivateKey string `json:"deployer_private_key"`
OracleAddress common.Address `json:"oracle_address"`
}
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⚠️ Potential issue

Ensure Secure Handling of Private Keys

The DeployerPrivateKey is stored in plaintext within the ContractConfig, posing significant security risks. Storing private keys in code or configuration files can lead to exposure of sensitive information. Consider using secure methods to handle private keys, such as environment variables, key management services, or prompting for the key at runtime.

Comment on lines +78 to +79
app.ethClient, err = ethclient.Dial("http://localhost:8545")
if err != nil {
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⚠️ Potential issue

Parameterize Ethereum Node Address

The Ethereum node address is hardcoded as "http://localhost:8545", which can cause issues in different environments and reduces flexibility. Consider parameterizing the Ethereum node address through application options or configuration files to make the application more adaptable.

Apply this diff to parameterize the Ethereum node address:

-	app.ethClient, err = ethclient.Dial("http://localhost:8545")
+	ethNodeURL := appOpts.Get("ethereum_node_url").(string)
+	app.ethClient, err = ethclient.Dial(ethNodeURL)

Ensure that you handle cases where the configuration might be missing or invalid.

Committable suggestion was skipped due to low confidence.

app/oracle.go Outdated
Comment on lines 320 to 323
_, err = bind.WaitMined(context.Background(), client, tx)
if err != nil {
return common.Address{}, err
}
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⚠️ Potential issue

Use Context with Timeout Instead of context.Background()

When waiting for the deployment of the BetToken contract to complete, bind.WaitMined is called with context.Background() (line 320). Using context.Background() may result in indefinite blocking if the transaction is not mined. Use a context with a timeout to handle such scenarios.

Apply this diff:

+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
+	defer cancel()
-	_, err = bind.WaitMined(context.Background(), client, tx)
+	_, err = bind.WaitMined(ctx, client, tx)
📝 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.

Suggested change
_, err = bind.WaitMined(context.Background(), client, tx)
if err != nil {
return common.Address{}, err
}
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
_, err = bind.WaitMined(ctx, client, tx)
if err != nil {
return common.Address{}, err
}

Comment on lines +225 to +230
// Convert price to big.Int
priceBigInt, ok := new(big.Int).SetString(price, 10)
if !ok {
return big.NewInt(0)
}

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⚠️ Potential issue

Handle Conversion Errors Explicitly in convertPriceToOdds

When converting price to a *big.Int, if SetString fails, the function returns big.NewInt(0) without any error indication. This may lead to silent failures downstream. Consider returning an error to allow the calling function to handle it appropriately.

Apply this diff:

-func convertPriceToOdds(price string) *big.Int {
+func convertPriceToOdds(price string) (*big.Int, error) {
     // Convert price to big.Int
     priceBigInt, ok := new(big.Int).SetString(price, 10)
     if !ok {
-        return big.NewInt(0)
+        return nil, fmt.Errorf("invalid price format: %s", price)
     }
     return priceBigInt, nil
 }

Update the calling code to handle the potential error.

Committable suggestion was skipped due to low confidence.

app/oracle.go Outdated
Comment on lines 358 to 361
_, err = bind.WaitMined(context.Background(), client, tx)
if err != nil {
return common.Address{}, nil, err
}
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⚠️ Potential issue

Use Context with Timeout When Setting Oracle Address

When calling bind.WaitMined after setting the oracle address (line 358), consider using a context with a timeout to prevent indefinite blocking and allow for proper error handling.

Apply this diff:

+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
+	defer cancel()
-	_, err = bind.WaitMined(context.Background(), client, tx)
+	_, err = bind.WaitMined(ctx, client, tx)
📝 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.

Suggested change
_, err = bind.WaitMined(context.Background(), client, tx)
if err != nil {
return common.Address{}, nil, err
}
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
_, err = bind.WaitMined(ctx, client, tx)
if err != nil {
return common.Address{}, nil, err
}

Comment on lines +253 to +254
ethClient, err := ethclient.Dial("http://localhost:8545")
if err != nil {
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⚠️ Potential issue

Parameterize Ethereum Node Address in DeployContracts

Similarly, in the DeployContracts function, the Ethereum node address is hardcoded. Reuse a centralized configuration to manage the Ethereum node address consistently throughout the application.

Apply this diff:

-	ethClient, err := ethclient.Dial("http://localhost:8545")
+	ethNodeURL := app.contractConfig.EthereumNodeURL
+	ethClient, err := ethclient.Dial(ethNodeURL)

Add EthereumNodeURL to your ContractConfig struct and ensure it's initialized properly.

Committable suggestion was skipped due to low confidence.

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Actionable comments posted: 3

🧹 Outside diff range and nitpick comments (2)
app/oracle.go (2)

109-170: Remove or uncomment the commented code

Large blocks of commented code make the codebase harder to maintain. If this code is needed, it should be uncommented and properly integrated. If not, it should be removed as it can be retrieved from version control if needed later.


234-239: Add documentation to Market struct

The Market struct lacks proper documentation explaining its purpose and the significance of each field. Consider adding detailed comments to improve code maintainability.

+// Market represents a prediction market with its associated currency pair and status.
+// It is used to track and manage individual prediction markets within the system.
 type Market struct {
+    // ID uniquely identifies the market
     ID           int64
+    // CurrencyPair represents the trading pair for this market
     CurrencyPair connecttypes.CurrencyPair
+    // IsActive indicates whether the market is currently accepting trades
     IsActive     bool
-    // Add other relevant fields
 }
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between be740cb and 4c8753c.

⛔ Files ignored due to path filters (1)
  • contracts/generated/prediction_market.go is excluded by !**/generated/**
📒 Files selected for processing (1)
  • app/oracle.go (1 hunks)
🔇 Additional comments (1)
app/oracle.go (1)

430-462: Add transaction value protection

The createEthereumAuth function should explicitly set Value: big.NewInt(0) in the transaction options to prevent accidental transfer of ETH along with contract interactions.
[security]

 func createEthereumAuth(client *ethclient.Client, privateKeyHex string) (*bind.TransactOpts, error) {
     // ... existing code ...
     
     auth.GasLimit = uint64(5000000)
+    // Explicitly set zero value to prevent accidental ETH transfers
+    auth.Value = big.NewInt(0)
     
     return auth, nil
 }

auth.GasPrice = gasPrice

// Set gas limit
auth.GasLimit = uint64(5000000)
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🛠️ Refactor suggestion

Make gas limit configurable

The gas limit is hardcoded to 5,000,000. Consider making this configurable through the ContractConfig struct to allow for different network conditions and requirements.

 type ContractConfig struct {
     DeployerPrivateKey string         `json:"deployer_private_key"`
     OracleAddress      common.Address `json:"oracle_address"`
+    GasLimit           uint64         `json:"gas_limit"`
 }

 // In createEthereumAuth function:
-    auth.GasLimit = uint64(5000000)
+    auth.GasLimit = config.GasLimit

Committable suggestion skipped: line range outside the PR's diff.

Comment on lines +173 to +174
odds := convertPriceToOdds(price)

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⚠️ Potential issue

Improve error handling for price conversion

The price conversion is not properly handled. If the price string is invalid, it silently returns 0 which could lead to incorrect market data.

-odds := convertPriceToOdds(price)
+odds, err := convertPriceToOdds(price)
+if err != nil {
+    app.Logger().Error("failed to convert price to odds", "price", price, "err", err)
+    return fmt.Errorf("failed to convert price to odds: %w", err)
+}

Committable suggestion skipped: line range outside the PR's diff.

Comment on lines +58 to +64
go func() {
app.Logger().Info("attempting to start oracle client...", "address", cfg.OracleAddress)
if err := oracleClient.Start(context.Background()); err != nil {
app.Logger().Error("failed to start oracle client", "err", err)
panic(err)
}
}()
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⚠️ Potential issue

Add synchronization mechanism for oracle client initialization

The oracle client is started asynchronously, but there's no way to know when it's ready or if it failed to start. Consider using a channel or sync.WaitGroup to properly synchronize the initialization.

 go func() {
+    initDone := make(chan error, 1)
     app.Logger().Info("attempting to start oracle client...", "address", cfg.OracleAddress)
-    if err := oracleClient.Start(context.Background()); err != nil {
-        app.Logger().Error("failed to start oracle client", "err", err)
-        panic(err)
-    }
+    if err := oracleClient.Start(context.Background()); err != nil {
+        initDone <- err
+        return
+    }
+    close(initDone)
 }()
+
+// Wait for initialization with timeout
+select {
+case err := <-initDone:
+    if err != nil {
+        app.Logger().Error("failed to start oracle client", "err", err)
+        return nil, nil, err
+    }
+case <-time.After(10 * time.Second):
+    return nil, nil, fmt.Errorf("timeout waiting for oracle client to start")
+}

Committable suggestion skipped: line range outside the PR's diff.

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Actionable comments posted: 3

🧹 Outside diff range and nitpick comments (2)
app/oracle.go (2)

7-7: Replace standard log package with app logger

The standard log package is used only for debug logging at line 530. For consistency, use the application's logger (app.Logger()) instead.


42-46: Add context timeout for metrics creation

The metrics creation call could potentially block indefinitely. Add a timeout context to ensure it completes within a reasonable time frame.

+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
-	oracleMetrics, err := servicemetrics.NewMetricsFromConfig(cfg, app.ChainID())
+	oracleMetrics, err := servicemetrics.NewMetricsFromConfig(cfg, app.ChainID(), ctx)
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Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 4c8753c and 2dbff67.

⛔ Files ignored due to path filters (1)
  • contracts/generated/prediction_market.go is excluded by !**/generated/**
📒 Files selected for processing (1)
  • app/oracle.go (1 hunks)

app/oracle.go Outdated
Comment on lines 71 to 242
cp := m.CurrencyPair
price, exists := oracleResp.Prices[cp.Base]

app.Logger().Debug("retrieved price", "market_id", m.ID, "currency_pair", cp, "price", price)

if !exists {
app.Logger().Debug("no price for market", "market_id", m.ID, "currency_pair", cp)
}

//if price.Sign() < 0 {
// app.Logger().Error("price is negative", "market_id", m.ID, "currency_pair", cp)
//}

// Create and store QuotePrice in chain state
//quotePrice := oracletypes.QuotePrice{
// Price: math.NewIntFromBigInt(price),
// BlockTimestamp: ctx.BlockHeader().Time,
// BlockHeight: uint64(ctx.BlockHeight()),
//}

//// Store in chain state
//if err := app.OracleKeeper.SetPriceForCurrencyPair(ctx, cp, quotePrice); err != nil {
// app.Logger().Error(
// "failed to set price in chain state",
// "market_id", m.ID,
// "currency_pair", cp,
// "err", err,
// )
// return err
//}

// Convert price to odds format for the prediction market
odds := convertPriceToOdds(price)

details, err := app.predictionMarket.GetMarketDetails(
nil, //auth,
big.NewInt(m.ID),
)
if err != nil {
app.Logger().Error(
"failed to get market details",
"market_id", m.ID,
"err", err,
)
return err
}

app.Logger().Info(
"market details",
"market_id", m.ID,
"description", details.Description,
"current odds", details.CurrentOdds,
)

tx, err := app.predictionMarket.UpdateOracleData(
auth,
big.NewInt(m.ID),
odds,
big.NewInt(ctx.BlockHeader().Time.Unix()),
)
if err != nil {
app.Logger().Error(
"failed to update ethereum contract",
"market_id", m.ID,
"err", err,
)
return err
}

// Wait for transaction confirmation
receipt, err := app.ethClient.TransactionReceipt(context.Background(), tx.Hash())
if err != nil {
app.Logger().Error(
"failed to get transaction receipt",
"market_id", m.ID,
"tx_hash", tx.Hash().String(),
"err", err,
)
return err
}

if receipt.Status == 0 {
app.Logger().Error(
"ethereum transaction failed",
"market_id", m.ID,
"tx_hash", tx.Hash().String(),
)
return fmt.Errorf("ethereum transaction failed")
}

app.Logger().Info(
"successfully updated market data",
"market_id", m.ID,
"currency_pair", cp.String(),
"odd", odds.String(),
"tx_hash", tx.Hash().String(),
)

return nil
}
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🛠️ Refactor suggestion

Split function into smaller, focused functions

The fetchAndStoreOracleData function handles multiple responsibilities: fetching data, updating chain state, and updating Ethereum contract. Consider splitting it into smaller functions for better maintainability and testability:

  1. fetchOracleData
  2. updateChainState
  3. updateEthereumContract

app/oracle.go Outdated
Comment on lines 376 to 379
auth, err = createEthereumAuth(client, config.DeployerPrivateKey)
if err != nil {
return common.Address{}, nil, fmt.Errorf("failed to create ethereum auth: %w", err)
}
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🛠️ Refactor suggestion

Reduce code duplication in authentication creation

The authentication creation code is duplicated multiple times. Consider creating a helper function that handles retries and returns both the auth and any error:

+func (app *App) createAuthWithRetry(client *ethclient.Client, config ContractConfig, retries int) (*bind.TransactOpts, error) {
+    var auth *bind.TransactOpts
+    var err error
+    for i := 0; i < retries; i++ {
+        auth, err = createEthereumAuth(client, config.DeployerPrivateKey)
+        if err == nil {
+            return auth, nil
+        }
+        time.Sleep(time.Second * time.Duration(i+1))
+    }
+    return nil, fmt.Errorf("failed to create ethereum auth after %d retries: %w", retries, err)
+}

Also applies to: 396-399, 429-432

app/oracle.go Outdated
return common.Address{}, nil, fmt.Errorf("failed to create ethereum auth: %w", err)
}

tx, err = instance.CreateMarket(auth, "WILL_BERNIE_SANDERS_WIN_THE_2024_US_PRESIDENTIAL_ELECTION?YES/USD")
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⚠️ Potential issue

Make market description configurable

The market description "WILL_BERNIE_SANDERS_WIN_THE_2024_US_PRESIDENTIAL_ELECTION?YES/USD" is hardcoded. Consider moving it to configuration or accepting it as a parameter.

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Actionable comments posted: 3

🧹 Outside diff range and nitpick comments (1)
app/app.go (1)

182-193: Add documentation for new fields in App struct.

Consider adding godoc comments for the new fields to improve code maintainability and help other developers understand their purpose:

+// oracleClient handles communication with the oracle service
 oracleClient oracleclient.OracleClient

+// OracleKeeper manages the oracle state
 OracleKeeper    *oraclekeeper.Keeper
+// MarketMapKeeper manages the market mapping state
 MarketMapKeeper *marketmapkeeper.Keeper

+// betTokenAddress stores the address of the betting token contract
 betTokenAddress         common.Address
+// predictionMarketAddress stores the address of the prediction market contract
 predictionMarketAddress common.Address

+// predictionMarket is the interface to interact with the prediction market contract
 predictionMarket *prediction.PredictionMarket

+// ethClient is used to interact with the Ethereum network
 ethClient      *ethclient.Client
+// contractConfig stores the configuration for smart contracts
 contractConfig ContractConfig
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Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 2dbff67 and 86e0a94.

⛔ Files ignored due to path filters (1)
  • contracts/generated/prediction_market.go is excluded by !**/generated/**
📒 Files selected for processing (2)
  • app/app.go (7 hunks)
  • app/oracle.go (1 hunks)
🔇 Additional comments (4)
app/oracle.go (2)

519-535: LGTM! Robust nonce handling implementation

The implementation correctly handles nonce conflicts by comparing both pending and latest nonces, which helps prevent "nonce too low" errors in high-throughput scenarios.


245-253: ⚠️ Potential issue

Return error from price conversion function

The convertPriceToOdds function silently returns 0 when price conversion fails, which could lead to incorrect market data. It should return an error to allow proper error handling by the caller.

Apply this diff:

-func convertPriceToOdds(price string) *big.Int {
+func convertPriceToOdds(price string) (*big.Int, error) {
 	// Convert price to big.Int
 	priceBigInt, ok := new(big.Int).SetString(price, 10)
 	if !ok {
-		return big.NewInt(0)
+		return nil, fmt.Errorf("failed to convert price to odds: %s", price)
 	}
 
-	return priceBigInt
+	return priceBigInt, nil
}

Update the caller at line 175:

-	odds := convertPriceToOdds(price)
+	odds, err := convertPriceToOdds(price)
+	if err != nil {
+		app.Logger().Error("failed to convert price to odds", "err", err)
+		return err
+	}

Likely invalid or redundant comment.

app/app.go (2)

443-451: ⚠️ Potential issue

Improve error handling in PreBlocker.

The error from fetchAndStoreOracleData is only logged without any recovery strategy. This could lead to inconsistent state if the oracle data is critical for block processing.

Consider implementing a more robust error handling strategy:

-if err := app.fetchAndStoreOracleData(ctx); err != nil {
-  app.Logger().Error("failed to fetch and store oracle data", "err", err)
-}
+if err := app.fetchAndStoreOracleData(ctx); err != nil {
+  app.Logger().Error("failed to fetch and store oracle data", "err", err)
+  // Implement one of these strategies based on requirements:
+  // 1. Return error to prevent block finalization
+  // return nil, fmt.Errorf("failed to fetch oracle data: %w", err)
+  // 2. Use last known good state
+  // if err := app.useLastKnownOracleData(ctx); err != nil {
+  //   return nil, fmt.Errorf("failed to recover oracle state: %w", err)
+  // }
+}

Likely invalid or redundant comment.


359-364: Verify oracle client initialization and configuration.

The oracle client initialization is critical for the application's functionality. Let's verify the configuration and initialization process.

✅ Verification successful

Let me gather more information about the oracle configuration and its usage.


Oracle client initialization and configuration verified

The oracle client is properly initialized and configured:

  • Configuration is read from app options via oracleconfig.ReadConfigFromAppOpts
  • Client is started in a goroutine with proper error handling
  • Client is used for fetching prices through the Prices endpoint
  • Logging is implemented for monitoring initialization and runtime errors

The implementation follows a clean pattern with proper error handling and logging, making it production-ready.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify oracle client configuration and initialization

# Test 1: Check for oracle configuration files
echo "Checking for oracle configuration files..."
fd -t f "oracle.*\.(toml|json|yaml|yml)$"

# Test 2: Search for oracle client initialization patterns
echo "Checking oracle client initialization..."
rg -A 5 "initializeOracle|NewOracleClient"

# Test 3: Verify oracle keeper initialization
echo "Checking oracle keeper initialization..."
ast-grep --pattern 'NewKeeper($_, $_, $_)'

Length of output: 1122


Script:

#!/bin/bash
# Check oracle configuration structure and dependencies
echo "Checking oracle configuration structure..."
rg -A 10 "ReadConfigFromAppOpts"

# Check oracle client interface and implementation
echo "Checking oracle client interface..."
rg -A 5 "type OracleClient interface"

# Check where oracle client is used
echo "Checking oracle client usage..."
rg -B 2 -A 2 "oracleClient\."

Length of output: 1616

// Connect to the oracle service (default timeout of 5 seconds).
go func() {
app.Logger().Info("attempting to start oracle client...", "address", cfg.OracleAddress)
if err := oracleClient.Start(context.Background()); err != nil {
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⚠️ Potential issue

Add timeout to oracle client start

The oracleClient.Start call should include a timeout to prevent indefinite blocking in case the oracle service is unresponsive.

Apply this diff:

-if err := oracleClient.Start(context.Background()); err != nil {
+ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+defer cancel()
+if err := oracleClient.Start(ctx); err != nil {
📝 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.

Suggested change
if err := oracleClient.Start(context.Background()); err != nil {
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
if err := oracleClient.Start(ctx); err != nil {

Comment on lines +213 to +222
receipt, err := app.ethClient.TransactionReceipt(context.Background(), tx.Hash())
if err != nil {
app.Logger().Error(
"failed to get transaction receipt",
"market_id", m.ID,
"tx_hash", tx.Hash().String(),
"err", err,
)
return err
}
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⚠️ Potential issue

Add retry mechanism for Ethereum transactions

The transaction receipt retrieval should include a retry mechanism with backoff to handle temporary network issues or delayed transaction mining.

Apply this diff:

-	receipt, err := app.ethClient.TransactionReceipt(context.Background(), tx.Hash())
-	if err != nil {
-		app.Logger().Error(
-			"failed to get transaction receipt",
-			"market_id", m.ID,
-			"tx_hash", tx.Hash().String(),
-			"err", err,
-		)
-		return err
-	}
+	var receipt *types.Receipt
+	maxRetries := 5
+	for i := 0; i < maxRetries; i++ {
+		receipt, err = app.ethClient.TransactionReceipt(context.Background(), tx.Hash())
+		if err == nil {
+			break
+		}
+		if i < maxRetries-1 {
+			time.Sleep(time.Duration(2<<uint(i)) * time.Second) // exponential backoff
+			app.Logger().Info(
+				"retrying to get transaction receipt",
+				"attempt", i+1,
+				"market_id", m.ID,
+				"tx_hash", tx.Hash().String(),
+			)
+			continue
+		}
+		app.Logger().Error(
+			"failed to get transaction receipt after retries",
+			"market_id", m.ID,
+			"tx_hash", tx.Hash().String(),
+			"err", err,
+		)
+		return err
+	}
📝 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.

Suggested change
receipt, err := app.ethClient.TransactionReceipt(context.Background(), tx.Hash())
if err != nil {
app.Logger().Error(
"failed to get transaction receipt",
"market_id", m.ID,
"tx_hash", tx.Hash().String(),
"err", err,
)
return err
}
var receipt *types.Receipt
maxRetries := 5
for i := 0; i < maxRetries; i++ {
receipt, err = app.ethClient.TransactionReceipt(context.Background(), tx.Hash())
if err == nil {
break
}
if i < maxRetries-1 {
time.Sleep(time.Duration(2<<uint(i)) * time.Second) // exponential backoff
app.Logger().Info(
"retrying to get transaction receipt",
"attempt", i+1,
"market_id", m.ID,
"tx_hash", tx.Hash().String(),
)
continue
}
app.Logger().Error(
"failed to get transaction receipt after retries",
"market_id", m.ID,
"tx_hash", tx.Hash().String(),
"err", err,
)
return err
}

app/app.go Outdated
Comment on lines 412 to 419
//go func() {
time.Sleep(10 * time.Second)
// Deploy contracts
err := app.DeployContracts()
if err != nil {
app.Logger().Error("failed to deploy contracts", "err", err)
}
//}()
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⚠️ Potential issue

Improve contract deployment strategy.

The current implementation has several issues:

  1. Uses arbitrary sleep duration
  2. No context cancellation mechanism
  3. Error handling only logs the error without recovery strategy

Consider implementing a more robust deployment strategy:

-//go func() {
-time.Sleep(10 * time.Second)
-// Deploy contracts
-err := app.DeployContracts()
-if err != nil {
-  app.Logger().Error("failed to deploy contracts", "err", err)
-}
-//}()
+go func() {
+  ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+  defer cancel()
+  
+  // Wait for chain to be ready
+  ticker := time.NewTicker(time.Second)
+  defer ticker.Stop()
+  
+  for {
+    select {
+    case <-ctx.Done():
+      app.Logger().Error("contract deployment timeout")
+      return
+    case <-ticker.C:
+      if app.IsReady() {
+        if err := app.DeployContracts(); err != nil {
+          app.Logger().Error("failed to deploy contracts", "err", err)
+          // Implement retry mechanism or panic based on requirements
+        }
+        return
+      }
+    }
+  }
+}()

Committable suggestion skipped: line range outside the PR's diff.

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Actionable comments posted: 6

🧹 Outside diff range and nitpick comments (3)
app/oracle.go (1)

250-255: Add documentation for Market struct.

The Market struct lacks documentation explaining its purpose and fields. This makes it harder for other developers to understand and use the struct correctly.

Add documentation like this:

+// Market represents a prediction market with its associated currency pair and status.
+// It is used to track and manage individual prediction markets within the system.
 type Market struct {
+	// ID uniquely identifies the market
 	ID           int64
+	// CurrencyPair represents the trading pair for this market
 	CurrencyPair connecttypes.CurrencyPair
+	// IsActive indicates whether the market is currently active
 	IsActive     bool
-	// Add other relevant fields
 }
app/app.go (2)

183-196: Consider adding validation for contract addresses.

The new fields in the App struct look good, but consider adding validation for betTokenAddress and predictionMarketAddress to ensure they're not zero addresses.


361-367: Improve error handling in oracle initialization.

The error handling could be more robust by:

  1. Adding context to the error message
  2. Logging the specific error details before returning
 // oracle initialization
 oracleClient, _, err := app.initializeOracle(appOpts)
 if err != nil {
+    app.Logger().Error("oracle initialization failed", "err", err)
-    return nil, fmt.Errorf("failed to initialize oracle client and metrics: %w", err)
+    return nil, fmt.Errorf("oracle initialization failed: %w", err)
 }
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 86e0a94 and dc0c6a7.

⛔ Files ignored due to path filters (1)
  • contracts/generated/election_market.go is excluded by !**/generated/**
📒 Files selected for processing (2)
  • app/app.go (7 hunks)
  • app/oracle.go (1 hunks)
🔇 Additional comments (3)
app/oracle.go (1)

239-247: ⚠️ Potential issue

Return error from price conversion function.

The function silently returns 0 when price conversion fails, which could lead to incorrect market data. Consider returning an error to allow proper error handling by the caller.

Apply this diff:

-func convertPriceToOdds(price string) *big.Int {
+func convertPriceToOdds(price string) (*big.Int, error) {
 	// Convert price to big.Int
 	priceBigInt, ok := new(big.Int).SetString(price, 10)
 	if !ok {
-		return big.NewInt(0)
+		return nil, fmt.Errorf("failed to convert price %s to odds", price)
 	}
-	return priceBigInt
+	return priceBigInt, nil
}

Likely invalid or redundant comment.

app/app.go (2)

86-94: LGTM: Well-organized imports for new functionality.

The new imports are logically grouped and properly organized.


450-458: ⚠️ Potential issue

Enhance error handling in PreBlocker.

The current implementation logs errors but continues execution, which could lead to inconsistent state. Consider implementing a recovery strategy or returning the error in critical scenarios.

 func (app *App) PreBlocker(ctx sdk.Context, _ *abci.RequestFinalizeBlock) (*sdk.ResponsePreBlock, error) {
     if err := app.fetchAndStoreOracleData(ctx); err != nil {
         app.Logger().Error("failed to fetch and store oracle data", "err", err)
-
+        // Consider implementing one of these strategies:
+        // 1. Use cached data
+        if err := app.useLastKnownOracleData(ctx); err != nil {
+            return nil, fmt.Errorf("oracle data unavailable: %w", err)
+        }
+        // 2. Skip update but warn
+        app.Logger().Warning("skipping oracle update for this block")
     }
     return app.ModuleManager.PreBlock(ctx)
 }

Likely invalid or redundant comment.

Comment on lines +331 to +335
address, tx, _, err := prediction.DeployBetToken(
auth,
client,
big.NewInt(1000000000000000000), // 1M
)
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⚠️ Potential issue

Make contract deployment parameters configurable.

Several values are hardcoded in the contract deployment:

  • Initial token supply (1M)
  • Election name ("2024 US Presidential Election")
  • Initial odds (50%)

These should be configurable to support different markets and scenarios.

Add these parameters to the ContractConfig struct and use them in deployment:

 type ContractConfig struct {
 	DeployerPrivateKey string         `json:"deployer_private_key"`
 	OracleAddress      common.Address `json:"oracle_address"`
+	InitialTokenSupply *big.Int       `json:"initial_token_supply"`
+	ElectionName       string         `json:"election_name"`
+	InitialOdds        *big.Int       `json:"initial_odds"`
 }

Also applies to: 359-364

Comment on lines +490 to +491
log.Printf("Address: %s, Latest Nonce: %d, Pending Nonce: %d, Using Nonce: %d",
fromAddress.Hex(), latestNonce, pendingNonce, nonce)
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⚠️ Potential issue

Replace debug logging with structured logging.

Using log.Printf for debugging nonce information is not suitable for production code. Use the application's structured logger instead.

Apply this diff:

-	log.Printf("Address: %s, Latest Nonce: %d, Pending Nonce: %d, Using Nonce: %d",
-		fromAddress.Hex(), latestNonce, pendingNonce, nonce)
+	app.Logger().Debug("nonce details",
+		"address", fromAddress.Hex(),
+		"latest_nonce", latestNonce,
+		"pending_nonce", pendingNonce,
+		"using_nonce", nonce,
+	)

Committable suggestion skipped: line range outside the PR's diff.

Comment on lines +90 to +91
reqCtx, cancel := context.WithTimeout(ctx.Context(), time.Second*5)
defer cancel()
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⚠️ Potential issue

Increase context timeout for oracle price fetching.

The 5-second timeout for fetching oracle prices might be too short for network latency spikes or when the oracle is under heavy load. Consider making this configurable and increasing it to a more reasonable default like 30 seconds.

Apply this diff:

-reqCtx, cancel := context.WithTimeout(ctx.Context(), time.Second*5)
+// TODO: Make timeout configurable
+reqCtx, cancel := context.WithTimeout(ctx.Context(), time.Second*30)
📝 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.

Suggested change
reqCtx, cancel := context.WithTimeout(ctx.Context(), time.Second*5)
defer cancel()
// TODO: Make timeout configurable
reqCtx, cancel := context.WithTimeout(ctx.Context(), time.Second*30)
defer cancel()

Comment on lines +504 to +517
// Helper method to check if Ethereum is ready
func (app *App) IsEthereumReady() bool {
client, err := ethclient.Dial("http://localhost:8545")
if err != nil {
return false
}
defer client.Close()

ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
defer cancel()

_, err = client.BlockNumber(ctx)
return err == nil
}
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🛠️ Refactor suggestion

Enhance Ethereum readiness check.

The current implementation could be improved by:

  1. Making the endpoint configurable
  2. Adding more comprehensive health checks
  3. Implementing connection pooling
+const defaultEthereumEndpoint = "http://localhost:8545"
+
 func (app *App) IsEthereumReady() bool {
-    client, err := ethclient.Dial("http://localhost:8545")
+    endpoint := app.GetEthereumEndpoint()
+    client, err := ethclient.Dial(endpoint)
     if err != nil {
+        app.Logger().Debug("failed to connect to ethereum", "endpoint", endpoint, "err", err)
         return false
     }
     defer client.Close()
 
     ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
     defer cancel()
 
-    _, err = client.BlockNumber(ctx)
-    return err == nil
+    // Check multiple health indicators
+    blockNumber, err := client.BlockNumber(ctx)
+    if err != nil {
+        app.Logger().Debug("failed to get block number", "err", err)
+        return false
+    }
+    
+    // Ensure chain is progressing
+    if blockNumber == 0 {
+        app.Logger().Debug("chain not progressing")
+        return false
+    }
+    
+    return true
 }

Committable suggestion skipped: line range outside the PR's diff.

Comment on lines +398 to +413
var genesisState GenesisState
if err := json.Unmarshal(req.AppStateBytes, &genesisState); err != nil {
return nil, err
}

// Initialize the chain with the genesis state
if err := app.SetupPredictionMarket(ctx); err != nil {
return nil, err
}

var contractConfig ContractConfig
if err := json.Unmarshal(genesisState["contract_config"], &contractConfig); err != nil {
return nil, err
}
app.contractConfig = contractConfig

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⚠️ Potential issue

Add error handling for contract config unmarshaling.

The genesis state and contract config unmarshaling could benefit from additional validation:

  1. Check if contract config exists in genesis state
  2. Validate contract config fields after unmarshaling
 var contractConfig ContractConfig
-if err := json.Unmarshal(genesisState["contract_config"], &contractConfig); err != nil {
+configBytes, ok := genesisState["contract_config"]
+if !ok {
+    return nil, fmt.Errorf("contract_config not found in genesis state")
+}
+if err := json.Unmarshal(configBytes, &contractConfig); err != nil {
     return nil, err
 }
+if err := contractConfig.Validate(); err != nil {
+    return nil, fmt.Errorf("invalid contract config: %w", err)
+}

Committable suggestion skipped: line range outside the PR's diff.

Comment on lines +482 to +502
func (s *ContractDeploymentService) Start() error {
go func() {
// Wait for chain to start and Geth to be ready
time.Sleep(10 * time.Second)

s.deployOnce.Do(func() {
for i := 0; i < 30; i++ { // retry for 30 seconds
if s.app.IsEthereumReady() {
if err := s.app.DeployContracts(); err != nil {
s.app.Logger().Error("failed to deploy contracts", "err", err)
}
return
}
time.Sleep(time.Second)
}
s.app.Logger().Error("timed out waiting for Ethereum to be ready")
})
}()

return nil
}
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⚠️ Potential issue

Improve contract deployment service robustness.

The current implementation has several areas for improvement:

  1. Uses arbitrary sleep duration
  2. Limited retry mechanism
  3. No context for cancellation
 func (s *ContractDeploymentService) Start() error {
+    ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
+    defer cancel()
+
     go func() {
-        // Wait for chain to start and Geth to be ready
-        time.Sleep(10 * time.Second)
+        // Wait for chain to be ready
+        ticker := time.NewTicker(time.Second)
+        defer ticker.Stop()
 
         s.deployOnce.Do(func() {
-            for i := 0; i < 30; i++ { // retry for 30 seconds
-                if s.app.IsEthereumReady() {
-                    if err := s.app.DeployContracts(); err != nil {
-                        s.app.Logger().Error("failed to deploy contracts", "err", err)
+            for {
+                select {
+                case <-ctx.Done():
+                    s.app.Logger().Error("deployment service timeout")
+                    return
+                case <-ticker.C:
+                    if s.app.IsEthereumReady() {
+                        if err := s.app.DeployContracts(); err != nil {
+                            s.app.Logger().Error("failed to deploy contracts", "err", err)
+                            continue // Retry on next tick
+                        }
+                        s.app.Logger().Info("contracts deployed successfully")
+                        return
                     }
-                    return
                 }
-                time.Sleep(time.Second)
             }
-            s.app.Logger().Error("timed out waiting for Ethereum to be ready")
         })
     }()
     return nil
 }
📝 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.

Suggested change
func (s *ContractDeploymentService) Start() error {
go func() {
// Wait for chain to start and Geth to be ready
time.Sleep(10 * time.Second)
s.deployOnce.Do(func() {
for i := 0; i < 30; i++ { // retry for 30 seconds
if s.app.IsEthereumReady() {
if err := s.app.DeployContracts(); err != nil {
s.app.Logger().Error("failed to deploy contracts", "err", err)
}
return
}
time.Sleep(time.Second)
}
s.app.Logger().Error("timed out waiting for Ethereum to be ready")
})
}()
return nil
}
func (s *ContractDeploymentService) Start() error {
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Minute)
defer cancel()
go func() {
// Wait for chain to be ready
ticker := time.NewTicker(time.Second)
defer ticker.Stop()
s.deployOnce.Do(func() {
for {
select {
case <-ctx.Done():
s.app.Logger().Error("deployment service timeout")
return
case <-ticker.C:
if s.app.IsEthereumReady() {
if err := s.app.DeployContracts(); err != nil {
s.app.Logger().Error("failed to deploy contracts", "err", err)
continue // Retry on next tick
}
s.app.Logger().Info("contracts deployed successfully")
return
}
}
}
})
}()
return nil
}

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2 participants