Refactor YieldNest fee adapter and update chains

[cxheng315]

Simplifies the fee calculation logic by aggregating all tokens received by the fee collector and updates the supported chains to include Ethereum, Base, and BSC. Also updates the adapter to version 2 and revises the methodology for fee and revenue reporting.

NOTE

Please enable "Allow edits by maintainers" while putting up the PR.

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• If you would like to add a tvl adapter please submit the PR here.

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.
2. 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
3. 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/data4.ts, you can edit it there and put up a PR
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Name (to be shown on DefiLlama):

Twitter Link:

List of audit links if any:

Website Link:

Logo (High resolution, will be shown with rounded borders):

Current TVL:

Treasury Addresses (if the protocol has treasury)

Chain:

Coingecko ID (so your TVL can appear on Coingecko, leave empty if not listed): (https://api.coingecko.com/api/v3/coins/list)

Coinmarketcap ID (so your TVL can appear on Coinmarketcap, leave empty if not listed): (https://api.coinmarketcap.com/data-api/v3/map/all?listing_status=active,inactive,untracked&start=1&limit=10000)

Short Description (to be shown on DefiLlama):

Token address and ticker if any:

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

Oracle Provider(s): Specify the oracle(s) used (e.g., Chainlink, Band, API3, TWAP, etc.):

Implementation Details: Briefly describe how the oracle is integrated into your project:

Documentation/Proof: Provide links to documentation or any other resources that verify the oracle's usage:

forkedFrom (Does your project originate from another project):

methodology (what is being counted as tvl, how is tvl being calculated):

Github org/user (Optional, if your code is open source, we can track activity):

[llamabutler]

The yieldnest.ts adapter exports:

> [email protected] test
> ts-node --transpile-only cli/testAdapter.ts fees yieldnest.ts

🦙 Running YIELDNEST.TS adapter 🦙
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Start Date:	Wed, 29 Oct 2025 09:23:06 GMT
End Date:	Thu, 30 Oct 2025 09:23:06 GMT
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Token transfers: Failed to use indexer, falling back to logs base Llama Indexer v2 URL/api key is not set
Error: Allium API Key is required[Ignore this error for github bot]
    at _queryAllium (/home/runner/work/dimension-adapters/dimension-adapters/helpers/allium.ts:47:11)
    at /home/runner/work/dimension-adapters/dimension-adapters/helpers/allium.ts:9:71
    at /home/runner/work/dimension-adapters/dimension-adapters/node_modules/.pnpm/[email protected]/node_modules/p-limit/index.js:23:31
    at run (/home/runner/work/dimension-adapters/dimension-adapters/node_modules/.pnpm/[email protected]/node_modules/p-limit/index.js:23:43)
    at /home/runner/work/dimension-adapters/dimension-adapters/node_modules/.pnpm/[email protected]/node_modules/p-limit/index.js:45:20 {
  chain: 'base'
}
Token transfers: Failed to use indexer, falling back to logs bsc Llama Indexer v2 URL/api key is not set
Token transfers: Failed to use indexer, falling back to logs ethereum Llama Indexer v2 URL/api key is not set