Add support for DataHaven Testnet

[svenvoskamp]

Summary

• Register DataHaven Testnet in the WalletConnect RPC supported chains list

Changes

• packages/appkit-utils/src/CaipNetworkUtil.ts: Add eip155:55931 to WC_HTTP_RPC_SUPPORTED_CHAINS for Blockchain API RPC support

Test plan

• Connect wallet on DataHaven Testnet (chain ID 55931)
• Verify gas estimation works correctly
• Test createBucket smart contract call
• Verify transaction signing and submission

[linear]

REOWN-4430 [Moombean] [Bug] Smart contract calls are not working properly on the DataheavenTest network.

[vercel]

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Project	Deployment	Review	Updated (UTC)
appkit-basic-html	Ready	Preview, Comment	Jan 29, 2026 3:18pm
appkit-demo	Ready	Preview, Comment	Jan 29, 2026 3:18pm
appkit-gallery	Ready	Preview, Comment	Jan 29, 2026 3:18pm
appkit-headless-sample-app	Ready	Preview, Comment	Jan 29, 2026 3:18pm
appkit-laboratory	Ready	Preview, Comment	Jan 29, 2026 3:18pm

10 Skipped Deployments

Project	Deployment	Review	Updated (UTC)
appkit-basic-example	Ignored		Jan 29, 2026 3:18pm
appkit-basic-sign-client-example	Ignored		Jan 29, 2026 3:18pm
appkit-basic-up-example	Ignored		Jan 29, 2026 3:18pm
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[changeset-bot]

⚠️ No Changeset found

Latest commit: 74e4107

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[github-actions]

Visual Regression Test Results ✅ Passed

⚠️ 15 visual change(s) detected

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[github-actions]

📦 Bundle Size Check

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> @reown/appkit-monorepo@1.7.1 size /home/runner/work/appkit/appkit

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@reown/appkit - Main Entry
Size limit:   80 kB
Size:         75.4 kB with all dependencies, minified and gzipped
Loading time: 1.5 s   on slow 3G
Running time: 512 ms  on Snapdragon 410
Total time:   2 s
@reown/appkit/react
Size limit:   235 kB
Size:         233.48 kB with all dependencies, minified and gzipped
Loading time: 4.6 s     on slow 3G
Running time: 986 ms    on Snapdragon 410
Total time:   5.6 s
@reown/appkit/vue
Size limit:   80 kB
Size:         75.4 kB with all dependencies, minified and gzipped
Loading time: 1.5 s   on slow 3G
Running time: 443 ms  on Snapdragon 410
Total time:   2 s
@reown/appkit-scaffold-ui
Size limit:   220 kB
Size:         213.38 kB with all dependencies, minified and gzipped
Loading time: 4.2 s     on slow 3G
Running time: 543 ms    on Snapdragon 410
Total time:   4.8 s
@reown/appkit-ui
Size limit:   500 kB
Size:         13.16 kB with all dependencies, minified and gzipped
Loading time: 258 ms   on slow 3G
Running time: 108 ms   on Snapdragon 410
Total time:   365 ms

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	78.66%	39475 / 50183
🔵	Statements	78.66%	39475 / 50183
🔵	Functions	76.34%	4250 / 5567
🔵	Branches	86.73%	9607 / 11076

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
packages/appkit-utils/src/CaipNetworkUtil.ts	99.56%	98.8%	95.65%	99.56%	266
packages/appkit/exports/constants.ts	100%	100%	100%	100%

Generated in workflow #16792 for commit 74e4107 by the Vitest Coverage Report Action