Feat/dapp #264
Feat/dapp #264
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WalkthroughThis update introduces a new Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant ElmApp
participant DappPage
participant Port
User->>ElmApp: Navigate to Dapp Page
ElmApp->>DappPage: Initialize Dapp Page
DappPage->>Port: Request providers list
Port-->>DappPage: Send providers list
User->>DappPage: Connect Wallet
DappPage->>Port: Connect Wallet with Provider
Port-->>DappPage: Confirm Wallet Connection
DappPage->>ElmApp: Update View with Wallet Info
ElmApp-->>User: Display Connected Wallet
sequenceDiagram
participant DappPage
participant Port
participant BrowserExtension
DappPage->>Port: listProviders()
Port->>BrowserExtension: Request providers
BrowserExtension-->>Port: Providers info
Port-->>DappPage: Receive providers
DappPage->>Port: connectWalletWithProvider(uuid)
Port->>BrowserExtension: Connect wallet
BrowserExtension-->>Port: Wallet connected
Port-->>DappPage: Receive wallet connection
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Actionable comments posted: 2
Outside diff range, codebase verification and nitpick comments (2)
src/Page/term.port.js (1)
Line range hint
7-18: Refactor to arrow function: Consider security implications ofeval.The conversion to an arrow function is syntactically correct and maintains the original functionality. However, the use of
evalposes significant security risks, as it can execute arbitrary code. Consider alternatives or ensure that inputs are sanitized before evaluation.src/Page/Dapp.elm (1)
22-32: Correct thesrcRelfield in the page info.The
srcRelfield currently points to "Page/Wallet.elm", but this file does not exist. It should be corrected to "Page/Dapp.elm" to reference the current file.
src/Page/Dapp.elm: Line 31Analysis chain
Verify the
srcRelfield in the page info.The
srcRelfield points to "Page/Wallet.elm". If this is intended to reference the current file, it should be "Page/Dapp.elm".Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for the existence of 'Page/Wallet.elm' and 'Page/Dapp.elm' to clarify the intended reference. fd --type file "Page/Wallet.elm" fd --type file "Page/Dapp.elm"Length of output: 63
Script:
#!/bin/bash # Description: Search for any files named 'Wallet.elm' or 'Dapp.elm' in the entire repository to ensure there are no typos or different directory structures. fd --type file --glob '*Wallet.elm' fd --type file --glob '*Dapp.elm'Length of output: 91
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files ignored due to path filters (13)
doc/assets/logo-elm.pngis excluded by!**/*.png,!**/*.pngdoc/assets/showcase-asteroids.pngis excluded by!**/*.png,!**/*.pngdoc/assets/showcase-calc.pngis excluded by!**/*.png,!**/*.pngdoc/assets/showcase-digitalclock.pngis excluded by!**/*.png,!**/*.pngdoc/assets/showcase-lissajous.pngis excluded by!**/*.png,!**/*.pngdoc/assets/showcase-maze.pngis excluded by!**/*.png,!**/*.pngdoc/assets/showcase-physics-cloth.pngis excluded by!**/*.png,!**/*.pngdoc/assets/showcase-physics-necklace.pngis excluded by!**/*.png,!**/*.pngdoc/assets/showcase-term.pngis excluded by!**/*.png,!**/*.pngelm.jsonis excluded by!**/*.jsonpackage.jsonis excluded by!**/*.jsonpnpm-lock.yamlis excluded by!**/pnpm-lock.yaml,!**/*.yamlstatic/dapp.pngis excluded by!**/*.png,!**/*.png
Files selected for processing (10)
- src/App/Messages.elm (3 hunks)
- src/App/Models.elm (4 hunks)
- src/App/Pages.elm (3 hunks)
- src/App/Routing.elm (2 hunks)
- src/App/Update.elm (4 hunks)
- src/Page/Dapp.elm (1 hunks)
- src/Page/dapp.css (1 hunks)
- src/Page/dapp.port.js (1 hunks)
- src/Page/term.port.js (2 hunks)
- src/index.js (2 hunks)
Files skipped from review due to trivial changes (1)
- src/Page/dapp.css
Additional comments not posted (21)
src/Page/term.port.js (1)
18-18: Export statement is correctly implemented.The export of
registerPortsis correctly done and follows standard ES6 module practices.src/App/Messages.elm (3)
7-7: Import ofPage.Dappis correctly added.This import is necessary for the new
Dapppage functionality and is correctly placed alphabetically among other imports.
25-25: Addition ofDappto thePagetype.The inclusion of
Dappin thePagetype is correctly implemented, ensuring that the new page is recognized as a valid page type within the application.
41-41: Addition ofDappPageMsgto theMsgtype.The addition of
DappPageMsgcorrectly extends theMsgtype to handle messages specific to theDapppage, following Elm's architecture for handling page-specific messages.src/index.js (2)
16-16: CSS import fordapp.cssadded correctly.The new CSS file import for
dapp.cssis correctly placed in the list of CSS imports, ensuring that styles for theDapppage are loaded.
29-33: Refactoring of Elm ports registration.The refactoring that splits
registerPortsintoportAandportBfor different modules (term.port.jsanddapp.port.js) is correctly implemented. This separation likely aids in maintaining clear boundaries between different functionalities.src/App/Models.elm (3)
9-9: Import ofPage.Dappis correctly added.This import is necessary for the new
dappPagefunctionality and is correctly placed among other page imports.
26-26: Addition ofdappPagetoPagesModel.The addition of the
dappPagefield to thePagesModeltype alias is correctly implemented, ensuring that the model for theDapppage can be held within the application's state.
Line range hint
40-50: Initialization ofdappPageinemptyPagesModel.The update to
emptyPagesModelto includedappPageinitialized toNothingis correctly implemented, ensuring that theDapppage starts with no initial state.src/App/Routing.elm (1)
7-7: Import statement added forPage.Dapp.The addition of the import statement for
Page.Dappis necessary for the new routing logic to recognize and handle theDapppage. This is a straightforward change and appears to be correctly implemented.src/Page/dapp.port.js (2)
1-1: Import ofshort-uuid.The import of
short-uuidis used to generate unique identifiers for notifications, which is a good practice for tracking events uniquely.
3-84: Comprehensive review of the port interactions.This file handles several key functionalities:
- Clipboard Operations: The clipboard interaction uses the asynchronous
navigator.clipboard.writeTextmethod with proper error handling, which is correctly implemented.- Provider Announcements: The handling of
eip6963:announceProviderevents is set up to manage provider data and notify the Elm app about new providers. This is crucial for the dApp functionality and is well implemented.- Wallet Connections: The wallet connection logic checks for provider existence and handles Ethereum account requests and chain ID conversions. The error handling in this section is robust, providing feedback to the user on failures.
Overall, the file is well-structured and the asynchronous operations are handled properly with appropriate error handling.
src/App/Pages.elm (3)
10-10: Import statement added forPage.Dapp.The import statement for
Page.Dappis necessary for the new page integration. This change is correctly implemented and consistent with the structure of the file.
46-46:Dappadded to the list of pages.The addition of
Dappto the list of pages ensures that it is recognized and handled by the application's routing and view logic. This change is correctly placed in the list and follows the established pattern.
110-112: Integration ofDapppage intopageSpecfunction.The
Dapppage has been integrated into thepageSpecfunction, which is crucial for rendering the page and managing its state and subscriptions. The function call is correctly structured and matches the pattern used for other pages.src/App/Update.elm (3)
14-14: Import statement added forPage.Dapp.The import statement for
Page.Dappis necessary for initializing theDappmodel and handling its messages. This change is correctly implemented.
88-89: Initialization ofdappModelanddappCmd.The initialization of
dappModelanddappCmdin theupdatefunction is crucial for managing the state and commands of theDapppage when it is active. This change is well integrated into the existing structure and correctly handles the flags passed to thePage.Dapp.initfunction.
122-124: Handling ofDappPageMsg.The addition of the
DappPageMsghandler in theupdatefunction allows the application to process messages specific to theDapppage. This ensures that the page's state and commands are updated correctly in response to user actions and system events.src/Page/Dapp.elm (3)
191-197: Subscriptions setup looks good.The subscriptions are well-defined and appear to handle the necessary events correctly.
204-219: Ports are correctly defined.The ports are essential for the dApp's functionality and are correctly defined for interacting with external JavaScript.
341-496: View logic is well-implemented.The view logic is complex but well-organized, effectively using Elm's HTML and event handling capabilities.
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Adds a basic dApp, inspired by eip6963.org, demonstrating EIP-6963 for discovering multiple injected providers and connecting to various wallets using ELM ports for communication with the browser extension.