Final report for GSoC 2025 for Agora Blockchain project by Hamad Hussain #5
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WalkthroughAdds a new Markdown document “Google Summer of Code 2025 Final Project Report” detailing a GSoC project’s scope, components, workflows, related PRs, challenges, and future plans. No source code or API changes; documentation only. Changes
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Actionable comments posted: 3
🧹 Nitpick comments (10)
Hamad_Hussain.md (10)
22-27: Pin versions for reproducibility.Listing concrete versions (Next.js, Solidity/compiler, Viem/Wagmi, ERC‑4337 stack, Hardhat) improves traceability of results and demos.
Consider adding a short “Versions” sublist with exact versions and commit/tag references.
46-47: Document deployment provenance (network, block, tag).Add chain ID (11155111 for Sepolia), deploy date, block number, and the repo tag/commit used for that deployment. If addresses are tracked in code, include the exact file path and commit hash to avoid drift.
68-76: Architecture snapshot helps reviewers.A small diagram (auth → identifier → AA path vs direct signer → contracts) would make the three pillars and fallbacks clearer.
109-131: Add PR status and anchors.Include merged/open status, merge dates, and short bullet of what changed per PR. Optional: link to specific merged commit SHAs for posterity.
135-150: Clarify scope of fixes vs known limitations.For each challenge, briefly note remaining limitations (e.g., AA provider environments still affected) so evaluators see risk areas.
151-161: Make future plans actionable.Add rough milestones/owners or “next 30/60/90 days” to convert plans into a roadmap.
1-9: Front‑matter completeness.Consider adding the project timeline (start/end dates), mentor names with links, and a one‑line elevator pitch under the title for quick scanning.
38-43: Optional: Table of contents.Given the length, a TOC improves navigation in GitHub’s renderer.
86-87: Minor editorial nit: brand capitalization.“farcaster”/“github” in the identifierType list—consider consistent brand casing in the doc (Farcaster, GitHub) while keeping on‑chain enums as‑is.
30-30: Automate markdownlint for Hamad_Hussain.md
Configure MD039 (spaces inside link text) to catch the link-text issue on line 30.
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🧰 Additional context used
🪛 markdownlint-cli2 (0.18.1)
Hamad_Hussain.md
30-30: Spaces inside link text
(MD039, no-space-in-links)
🔇 Additional comments (1)
Hamad_Hussain.md (1)
34-36: Confirm YouTube link accessibility & permanence. Verified HTTP redirects (303) indicate the URLs resolve, but please ensure each video is set to “public” or “unlisted” without region restrictions, add concise captions (content summary + timestamped highlights), and consider mirroring them on the organization’s channel.
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| ## GitHub Repository | ||
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| [Agora-Blockchain ](https://github.com/therealhamad/Agora-Blockchain) |
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Fix MD039: remove trailing space inside link text.
There’s an extra space before the closing bracket in the GitHub repo link, which violates markdownlint MD039 and can affect rendering in some parsers.
Apply this diff:
-[Agora-Blockchain ](https://github.com/therealhamad/Agora-Blockchain)
+[Agora-Blockchain](https://github.com/therealhamad/Agora-Blockchain)📝 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.
| [Agora-Blockchain ](https://github.com/therealhamad/Agora-Blockchain) | |
| [Agora-Blockchain](https://github.com/therealhamad/Agora-Blockchain) |
🧰 Tools
🪛 markdownlint-cli2 (0.18.1)
30-30: Spaces inside link text
(MD039, no-space-in-links)
🤖 Prompt for AI Agents
In Hamad_Hussain.md around line 30, the markdown link text contains a trailing
space ("[Agora-Blockchain ]") which violates MD039; remove the extra space so
the link text is "[Agora-Blockchain]" and keep the URL unchanged to fix the lint
error and ensure proper rendering.
| Implemented a robust Web3Auth integration to derive a reliable user identifier for authorization and UX: | ||
| - Extracts social identity (e.g., Google email) from Web3Auth `userInfo`, with resilient detection (handles cases where `typeOfLogin` is undefined by using `groupedAuthConnectionId` / `verifier`). | ||
| - Provides wallet fallbacks when social data is unavailable. | ||
| - Exposes a simple helper `getCurrentUserIdentifier` used throughout the app. | ||
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| Primary files: | ||
| - `client/app/helpers/userIdentification.ts` | ||
| - `client/app/context/Web3AuthContext.tsx` | ||
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Avoid logging PII from Web3Auth in production.
The report mentions logging userInfo and detailed UI logs. Emails/user identifiers are PII; ensure production builds redact them and that logs are sampled/retained minimally with access controls.
Add an explicit note: “Production logs redact emails/identifiers; only hashed/non‑PII telemetry is retained with X‑day TTL.”
Also applies to: 101-105
🤖 Prompt for AI Agents
In Hamad_Hussain.md around lines 55 to 63, the PR currently logs full Web3Auth
userInfo (PII) and lacks a production redaction note; update the code and docs
to avoid emitting emails/identifiers in production by replacing raw userInfo
logs with redacted/hased identifiers (e.g., hash email or log only
provider+hashedId) and conditional logging that disables PII in
NODE_ENV=production, add sampling/minimal retention controls and configure a TTL
for log storage, and add the explicit note line “Production logs redact
emails/identifiers; only hashed/non‑PII telemetry is retained with X‑day TTL.”
(also apply same changes/note to lines ~101-105 referenced in the comment).
| - `Election.sol` | ||
| - `ElectionInfo { name, description, startTime, endTime, isPrivate }` | ||
| - `WhitelistEntry { identifier, identifierType, isActive }` where identifierType: 0=email, 1=twitter, 2=farcaster, 3=github, 4=wallet | ||
| - O(1) whitelist lookup via `keccak256(abi.encode(identifier, identifierType))` | ||
| - Access checks in `userVote` using `isWhitelisted(msg.sender, userIdentifier, identifierType)` | ||
| - `addToWhitelist` permissioned by `onlyOwnerOrFactory` | ||
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Whitelist data model: hash-only storage + normalization.
Storing identifier in WhitelistEntry risks on‑chain PII leakage. Prefer storing only keccak256(abi.encode(canonical(identifier), identifierType)) and omit raw identifiers on‑chain. Also define canonicalization (e.g., lower‑case emails, trimmed, Unicode NFC).
Add a sentence clarifying canonicalization and whether only hashes are persisted on‑chain.
🤖 Prompt for AI Agents
In Hamad_Hussain.md around lines 84 to 90, the whitelist model currently stores
raw identifiers which risks on‑chain PII; change the design to persist only
keccak256(abi.encodePacked(canonical(identifier), identifierType)) on‑chain
(remove raw identifier from WhitelistEntry), and explicitly define the
canonicalization rules (e.g., trim whitespace, convert emails/usernames to
lowercase, apply Unicode NFC normalization, and any service‑specific rules) so
all input is normalized before hashing; ensure access checks and
addToWhitelist/update/remove functions accept the raw identifier but perform
canonicalization off‑chain or in a helper, compute the hash, and only
store/compare the hash on‑chain, and update events/logs to avoid emitting raw
identifiers.
1 participant
This PR adds my final report for GSoC 2025 of Agora Blockchain project.
It includes all the points mentioned by GSoC and AOSSIE guidelines.
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