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Hello @jhead12, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
Summary of Changes
This pull request focuses on implementing token-gated access control for Livepeer streams, and includes several key changes. It introduces an ESLint configuration for the project, implements access control logic using smart accounts and token balances, and refactors the token gating API endpoint. The Lit Protocol integration appears to be removed. The changes also include updates to dependencies and player components.
Highlights
- ESLint Configuration: Adds a comprehensive ESLint configuration (
.eslintrc.js) to enforce code quality and consistency. - Access Control Resolver: Implements an
AccessControlResolverclass to validate access based on access keys, token balances, and asset accessibility. This includes defining interfaces forWebhookPayloadandWebhookContext. - Token Gate API Endpoint Refactor: Refactors the
/api/livepeer/token-gate/route.tsendpoint to use theAccessControlResolverfor access validation and simplifies the access key generation for testing purposes. - Environment Variable Validation: Introduces a utility function
validateEnvVariablesto ensure that required environment variables are set. - Player Component Updates: Updates the
DemoPlayercomponent to include control visibility management and playback ID tracking. Also updatesPreviewPlayerto useReturnType<typeof setTimeout>. - Lit Protocol Integration Removal: Removes components and related code associated with Lit Protocol, including
LitProtocolStatus.tsx,LitSmartAccount.tsx, and several files inlib/sdk/lit/.
Changelog
Click here to see the changelog
- .eslintrc.js
- Adds a new ESLint configuration file with recommended rules and plugins for TypeScript, React, and import statements.
- Enforces single quotes and warns on console.log statements and unused variables.
- app/api/livepeer/livepeerActions.ts
- Comments out the original import of
WebhookContextand replaces it with a type import from a new location. - Adds a TODO comment to replace the import path with the correct one.
- Comments out the original import of
- app/api/livepeer/token-gate/lib/access-control-resolver.ts
- Creates a new file implementing access control logic.
- Defines interfaces
WebhookPayloadandWebhookContext. - Implements
AccessControlResolverclass with methods to validate access keys, check token balances, and asset accessibility. - Includes placeholder implementations for access key generation and validation.
- app/api/livepeer/token-gate/lib/env-validation.ts
- Creates a new file to validate required environment variables.
- app/api/livepeer/token-gate/lib/smart-account-service.ts
- Creates a new file to manage smart account client and address retrieval.
- app/api/livepeer/token-gate/route.ts
- Refactors the POST and GET methods to use the
AccessControlResolverfor access validation. - Simplifies access key generation for testing purposes.
- Adds environment variable validation.
- Refactors the POST and GET methods to use the
- components/LitProtocolStatus.tsx
- Removes the LitProtocolStatus.tsx component
- components/LitSmartAccount.tsx
- Removes the LitSmartAccount.tsx component
- components/Navbar.tsx
- Removes the import and usage of the
LitProtocolStatuscomponent. - Adds
mainnetto the list of available chains. - Changes
ensName || user.addresstoensName ?? user.address. - Removes type assertion
user.address as0x${string}``.
- Removes the import and usage of the
- components/Player/DemoPlayer.tsx
- Adds state to control visibility of player controls.
- Implements a timeout to fade out controls when inactive.
- Adds touch event handling to show controls on touch.
- Tracks the currently playing video ID using VideoContext.
- components/Player/PreviewPlayer.tsx
- Updates the type of
fadeTimeoutReftoReturnType<typeof setTimeout>.
- Updates the type of
- components/Player/ViewsComponent.tsx
- Updates error messages to provide more user-friendly guidance.
- components/leaderboard/LeaderboardItem.tsx
- Simplifies the class name generation for the component.
- lib/access-key.ts
- Updates the import path for
WebhookContextto match the new location inlib/access-control-resolver.ts.
- Updates the import path for
- lib/sdk/lit/lit-client.ts
- Removes the lit-client.ts file
- lib/sdk/lit/lit-contracts.ts
- Removes the lit-contracts.ts file
- lib/sdk/lit/sessionSigs.ts
- Removes the sessionSigs.ts file
- lib/sdk/lit/useCapacityCredits.ts
- Removes the useCapacityCredits.ts file
- lib/sdk/lit/useLitSigner.ts
- Removes the useLitSigner.ts file
- lib/sdk/lit/useLitSmartAccount.ts
- Removes the useLitSmartAccount.ts file
- lib/sdk/lit/usePKPAuthMethods.ts
- Removes the usePKPAuthMethods.ts file
- lib/sdk/lit/usePKPMint.ts
- Removes the usePKPMint.ts file
- lib/sdk/lit/usePKPSigning.ts
- Removes the usePKPSigning.ts file
- package.json
- Updates dependencies for
@aa-sdk/*,@account-kit/*,@alchemy/aa-*,@livepeer/react,@radix-ui/react-*,@tanstack/react-query,@wagmi/*,sonner,tailwind-merge, andviem. - Adds
zodandzoeas dependencies. - Adds a link to the local
access-control-resolverandsmart-account-servicedirectories. - Updates devDependencies for
@types/node,@types/react,@types/react-dom,eslint,postcss,tailwindcss, andtypescript.
- Updates dependencies for
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A token's gate,
A stream now secured tight,
Access granted true.
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Code Review
The pull request introduces token-gated access control for Livepeer assets, which is a valuable feature. However, the current implementation has some critical issues that need to be addressed before merging. The access key generation is a placeholder, and the validation logic is incomplete. Additionally, the removal of Lit Protocol-related code raises concerns about the application's future functionality. The addition of environment variable validation and improved error messages are positive changes.
Summary of Findings
- Missing Environment Variable Validation: The application relies on environment variables for configuration, but the validation is only performed in the POST and GET methods of the
route.tsfile. It should be performed globally at the application startup to ensure that all required environment variables are present before the application starts processing requests. I did not comment on this due to the review settings. - Incomplete Access Key Implementation: The
AccessKeyfunction inaccess-control-resolver.tsis not fully implemented, and the access key generation inroute.tsis a placeholder. This means the access control mechanism is not secure and needs a proper implementation. I did not comment on this due to the review settings. - Lit Protocol Code Removal: The removal of Lit Protocol-related code (components and SDK files) without a clear explanation or replacement strategy raises concerns about the application's future functionality and security model. I did not comment on this due to the review settings.
- Error Message Clarity: The error messages in
ViewsComponent.tsxwere improved to provide more specific guidance to the user. This is a good practice for enhancing user experience and debugging. - Ref Type for Timeout Ref: The type of
fadeTimeoutRefwas updated fromNodeJS.TimeouttoReturnType<typeof setTimeout> | undefinedinDemoPlayer.tsxandPreviewPlayer.tsx. This is a good practice to align with the return type ofsetTimeout.
Merge Readiness
The pull request is not ready to be merged due to the critical and high severity issues identified. The incomplete access key implementation and the removal of Lit Protocol-related code need to be addressed before merging. The environment variable validation should be performed globally at the application startup. I am unable to approve this pull request, and I recommend that it not be merged until the identified issues are resolved and thoroughly tested. Other reviewers should also review and approve this code before merging.
| // Replace this with the correct way to generate or fetch an access key. | ||
| // For now, just return a dummy access key for demonstration. | ||
| const accessKey = `${address}:${creatorAddress}:${tokenId}:${contractAddress}:${chain}`; |
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This access key generation is a placeholder and should be replaced with a secure and robust implementation. The current implementation simply concatenates the address and context, which is not secure and can be easily manipulated. Consider using a cryptographic approach to generate the access key.
| // Replace this with the correct way to generate or fetch an access key. | |
| // For now, just return a dummy access key for demonstration. | |
| const accessKey = `${address}:${creatorAddress}:${tokenId}:${contractAddress}:${chain}`; | |
| // TODO: Replace this with a secure access key generation method | |
| const accessKey = "DUMMY_ACCESS_KEY"; |
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||
| return true; | ||
| } | ||
| // Module '"./lib/access-control-resolver"' has no exported member 'AccessKey'.Why is this? |
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This comment indicates a potential issue with the AccessKey export. It's important to ensure that all necessary members are correctly exported from the module. Please investigate why AccessKey is not being recognized as an exported member.
| // import { WebhookContext } from "../livepeer/token-gate/route"; | ||
| // TODO: Replace the following import path with the correct one where WebhookContext is exported | ||
| import type { WebhookContext } from "../livepeer/token-gate/lib/access-control-resolver"; |
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Consider using a relative path to import WebhookContext to avoid potential issues with absolute paths in different environments. Also, it's good that you've added a TODO, but it would be even better to resolve it in this PR if possible.
| // import { WebhookContext } from "../livepeer/token-gate/route"; | |
| // TODO: Replace the following import path with the correct one where WebhookContext is exported | |
| import type { WebhookContext } from "../livepeer/token-gate/lib/access-control-resolver"; | |
| import type { WebhookContext } from "./token-gate/lib/access-control-resolver"; |
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