Add Nest Credit adapter

[000boil]

NOTE

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1. Once your adapter has been merged, it takes time to show on the UI. If more than 24 hours have passed, please let us know in Discord.
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3. Please fill the form below only if the PR is for listing a new protocol else it can be ignored/replaced with reason/details about the PR
4. For updating listing info It is a different repo, you can find your listing in this file: https://github.com/DefiLlama/defillama-server/blob/master/defi/src/protocols/data2.ts, you can edit it there and put up a PR
5. Do not edit/push package-lock.json file as part of your changes, we use lockfileVersion 2, and most use v1 and using that messes up our CI
6. No need to go to our discord and announce that you've created a PR, we monitor all PRs and will review it asap

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Name (to be shown on DefiLlama): Nest Credit

Twitter Link: https://x.com/NestCredit

List of audit links if any: https://docs.nest.credit/trust-and-compliance/audits-and-compliance

Website Link: https://nest.credit/

Logo (High resolution, will be shown with rounded borders): https://pbs.twimg.com/profile_images/1877780431686483968/cJK2Gg3W_400x400.png

Current TVL: ~$1.4M

Treasury Addresses (if the protocol has treasury)

Chain: Ethereum, Arbitrum, BSC, Plasma

Coingecko ID (so your TVL can appear on Coingecko, leave empty if not listed):

Coinmarketcap ID (so your TVL can appear on Coinmarketcap, leave empty if not listed):

Short Description (to be shown on DefiLlama): Nest Credit is an RWA yield platform offering institutional-grade vaults backed by U.S. Treasuries, private credit, and tokenized real-world assets.

Token address and ticker if any:

Category (full list at https://defillama.com/categories) *Please choose only one: RWA

Oracle Provider(s): Specify the oracle(s) used (e.g., Chainlink, Band, API3, TWAP, etc.): N/A (off-chain NAV accounting via Boring Vault Accountant contracts)

Implementation Details: Briefly describe how the oracle is integrated into your project: Each vault uses an Accountant contract that tracks the exchange rate between vault shares and the underlying base asset. Rates are updated by vault operators.

Documentation/Proof: Provide links to documentation or any other resources that verify the oracle's usage: https://docs.nest.credit/developers/boring-vaults

forkedFrom (Does your project originate from another project): Uses Boring Vault architecture (by Veda/Seven Seas)

methodology (what is being counted as tvl, how is tvl being calculated): TVL is calculated by summing the value of all assets held in each Nest Credit BoringVault contract across Ethereum, Arbitrum, BSC, and Plasma.

Github org/user (Optional, if your code is open source, we can track activity): https://github.com/plume-finance

Does this project have a referral program? No

Summary by CodeRabbit

• New Features
  • Added Nest Credit TVL adapter for multi-chain value locked aggregation across ethereum, arbitrum, bsc, and plasma networks.

[coderabbitai]

📝 Walkthrough

Walkthrough

A new Nest Credit TVL adapter is introduced that calculates total value locked across ethereum, arbitrum, bsc, and plasma chains. Each chain references specific vault addresses and optionally whitelisted tokens, with TVL computed using sumTokens2 aggregation.

Changes

Cohort / File(s)	Summary
Nest Credit TVL Adapter projects/nest-credit/index.js	New adapter implementing TVL calculations for four chains with chain-specific vault configurations. Uses sumTokens2 with explicit token lists or CoValent token fetching depending on token whitelist availability.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Suggested reviewers

• RohanNero

Poem

🐰 Across four chains the vaults now shine,
Nest Credit's riches, finely aligned,
Ethereum, Arbitrum, Binance's grace,
Plasma flows through cyberspace,
TVL aggregates with hoppy delight! 🌟

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'Add Nest Credit adapter' directly and clearly describes the main change—adding a new adapter for the Nest Credit protocol.
Description check	✅ Passed	The PR description includes the repository template with nearly all required fields completed, including protocol name, links, chains, category, methodology, and implementation details.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[llamabutler]

The adapter at projects/nest-credit exports TVL:

ethereum                  1.40 M
bsc                       20.00
arbitrum                  17.00
plasma                    2.00

total                    1.40 M 

[RohanNero]

These top 6 addresses are duplicates from nucleus

as their balances are currently tracked as nucleus tvl, can they be removed from your adapter?

[RohanNero]

same for arbitrum