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Reviewer's GuideThis pull request introduces a new wagmi-based demo dapp project, hardens security and privacy in existing wallet and CLI code, and adds CI/configuration files for GitHub Actions, CircleCI, Azure Pipelines, and GitHub issue templates. Sequence diagram for wallet connect flow in the new wagmi demo dappsequenceDiagram
actor User
participant App
participant SequenceWallet as SequenceWalletSDK
participant SequenceAPI as SequenceAPIClient
participant ETHAuth as ETHAuthClient
User->>App: Click Connect (authorize=true)
App->>SequenceWallet: connect(connectOptions)
SequenceWallet-->>App: connectDetails(connected, chainId, session, proof)
alt connectDetails.connected and connectOptions.authorize and connectDetails.proof
App->>SequenceAPI: isValidETHAuthProof(chainId, walletAddress, ethAuthProofString)
SequenceAPI-->>App: isValid
App->>ETHAuth: decodeProof(proofString, validate=true)
ETHAuth-->>App: decodedProof(signature)
App->>SequenceWallet: utils.isValidTypedDataSignature(address, typedData, signature, chainId)
SequenceWallet-->>App: isValidClient
end
alt connected
App-->>User: Show "Wallet connected" and shared email
else not connected
App-->>User: Show connection error message
end
Class diagram for updated wallet and services utilitiesclassDiagram
class DappTransport {
-generateId() string
}
class IdentityInstrument {
+rpc
+sign(digest Uint8Array) Promise~any~
}
class ServerModule {
+handleHttpRequest(req IncomingMessage, res ServerResponse, debug boolean, silent boolean) Promise~void~
}
class Hex {
+fromBytes(bytes Uint8Array) Hex
+fromNumber(value number) Hex
+random(length number) Hex
}
class ErrorResponseFactory {
+errorResponse(id string, code number, message string) object
}
DappTransport ..> window : uses
DappTransport ..> crypto : uses
IdentityInstrument ..> Hex : uses
ServerModule ..> ErrorResponseFactory : uses
note for DappTransport "generateId now uses window.crypto.getRandomValues for secure randomness"
note for IdentityInstrument "nonce now generated via Hex.random(16) instead of timestamp based value"
note for ServerModule "Parse error responses no longer expose internal error details"
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Summary of ChangesHello @Dargon789, 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! This pull request marks a significant advancement in the '@0xsequence' ecosystem with the release of '3.0.0-beta.12'. It primarily focuses on a substantial expansion of the UserData service API, introducing a rich set of new functionalities for managing various aspects of user wallet data. Concurrently, the dapp client has received key enhancements, including a new caching layer for signed calls to improve performance and new utilities for more flexible explicit session configuration. Authentication flows have also been refined, notably with an adjustment to Apple's OAuth scope handling and the addition of support for Externally Owned Account (EOA) logins. Highlights
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Dargon789
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Feb 7, 2026
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Code Review
This pull request introduces a series of updates, primarily focused on a beta release with dapp connector fixes, Apple authentication improvements, and EOA login support.
My review focused on the logic changes within the dapp-client and wdk packages. The changes include:
- Caching signed calls in
ChainSessionManagerto optimize fee estimation and transaction sending. - A security improvement in
DappTransportby enforcing stricter validation of message sources. - A fix in
authcode.tsto correctly handle OAuth scope for Apple sign-in, which is accompanied by a corresponding test update.
I have one main concern regarding the removal of the automatic session refresh logic in ChainSessionManager.ts. This could potentially be a regression in user experience if not handled properly by consuming dapps. Please see my detailed comment on that.
Overall, the changes seem to be moving in the right direction, with good optimizations and security enhancements. Addressing the session refresh concern would further improve the robustness of the dapp client.
Dargon789
commented
Feb 7, 2026
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Summary by Sourcery
Introduce a new wagmi-based demo dapp project and improve security, tooling, and CI configuration across the repository.
New Features:
wagmi-projectReact/Vite demo dapp integrating wagmi, viem, and WalletConnect/Coinbase/injected connectors.Bug Fixes:
Enhancements:
crypto.getRandomValuesfor dapp client ID generation.Build:
CI:
Documentation: