feat: add Scroll support

[depressedPlumber502]

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Project	Deployment	Actions	Updated (UTC)
defuse-widget	Ready	Preview, Comment	Mar 16, 2026 9:14pm

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Updates to Preview Branch (dp502/support-scroll) ↗︎

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[coderabbitai]

Walkthrough

This PR re-enables Scroll in the blockchain options and broadens the related types from a restricted SupportedBlockchain to BlockchainEnum; it also updates the Scroll icon variant and adds Scroll deployments for USDT and ETH to the production token registry.

Changes

Cohort / File(s)	Summary
Blockchain configuration src/components/DefuseSDK/constants/blockchains.tsx	Swapped SupportedBlockchain → BlockchainEnum in getBlockchainsOptions and sortBlockchainOptionsByVolume; reinstated the SCROLL option in the blockchains map; changed Scroll dark icon to the standard variant.
Token registry src/tokens/production.json	Added Scroll deployments for USDT and ETH (hot_omni bridge, Scroll-native addresses) to the production token list under existing grouped tokens entries.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• feat: add plasma and non active scroll #830: Also adjusts getBlockchainsOptions typing and reactivates a previously-commented chain entry (Scroll-related changes).
• feat: support BCH(native) #801: Modifies the same blockchains options map and related type handling.
• feat: support STRK(starknet) #802: Applies the same Record<BlockchainEnum, BlockchainOption> typing changes and re-enables a chain entry.

Suggested reviewers

• cawabunga-bytes

Poem

🐰📜 I hopped through code, found Scroll asleep,
I nudged the types and woken it from deep,
New ETH and USDT now romp and play,
Icons polished bright to light the way — hooray! 🎉

🚥 Pre-merge checks | ✅ 1 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Description check	❓ Inconclusive	No pull request description was provided by the author, making it impossible to assess relevance or clarity of intent.	Add a pull request description explaining the changes, such as enabling Scroll blockchain support, the scope of changes, and any testing performed.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title check	✅ Passed	The pull request title 'feat: add Scroll support' directly and clearly summarizes the main change - enabling Scroll blockchain support by removing workarounds, re-enabling SCROLL entries, and adding asset configurations.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch dp502/support-scroll

📝 Coding Plan

• Generate coding plan for human review comments

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[coderabbitai]

🧹 Nitpick comments (1)

src/components/DefuseSDK/constants/blockchains.tsx (1)

186-189: Consider using scroll-white.svg for dark mode to match the pattern of similar chains.

Both dark and light modes reference the same icon file. A scroll-white.svg variant exists, but unlike xrpledger (which uses xrpledger_white.svg for dark mode) and gnosis (which uses gnosis_white.svg for dark mode), the scroll configuration does not leverage this separate variant. If adequate contrast is a concern, consider switching the dark mode icon to /static/icons/network/scroll-white.svg.

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@src/components/DefuseSDK/constants/blockchains.tsx` around lines 186 - 189,
The scroll entry in the blockchains icon constants currently uses the same SVG
for both modes; update the dark variant for the scroll object to point to
"/static/icons/network/scroll-white.svg" (mirroring how xrpledger and gnosis use
their *_white.svg for dark mode) so the scroll dark icon provides proper
contrast while leaving the light path as-is.

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Nitpick comments:
In `@src/components/DefuseSDK/constants/blockchains.tsx`:
- Around line 186-189: The scroll entry in the blockchains icon constants
currently uses the same SVG for both modes; update the dark variant for the
scroll object to point to "/static/icons/network/scroll-white.svg" (mirroring
how xrpledger and gnosis use their *_white.svg for dark mode) so the scroll dark
icon provides proper contrast while leaving the light path as-is.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 9047dbbc-c629-4103-b596-a050b2b6bb3a

📥 Commits

Reviewing files that changed from the base of the PR and between 1f2dcf3 and 538eef6.

📒 Files selected for processing (2)

• src/components/DefuseSDK/constants/blockchains.tsx
• src/tokens/production.json

🚧 Files skipped from review as they are similar to previous changes (1)

• src/tokens/production.json