Add echo-iBTC Bridge Adapter

[Yaron1902]

NOTE

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

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• If you would like to add a volume/fees/revenue adapter please submit the PR here.
• If you would like to add a liquidations adapter, please refer to this readme document for details.

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. Sorry, We no longer accept fetch adapter for new projects, we prefer the tvl to computed from blockchain data, if you have trouble with creating a the adapter, please hop onto our discord, we are happy to assist you.
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):

Echo Bridge

Twitter Link:

https://x.com/EchoProtocol_

List of audit links if any:

Website Link:

https://vault.echo-protocol.xyz/bridges/IOTA

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

https://vault.echo-protocol.xyz/images/echo.svg

Current TVL:

$153

Treasury Addresses (if the protocol has treasury)

Chain:

IOTA

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):

Echo is a Bitcoin liquidity aggregation and yield infrastructure layer designed to address the fragmentation of BTC liquidity across various forms.

Token address and ticker if any:

Token address: 0x387c459c5c947aac7404e53ba69541c5d64f3cf96f3bc515e7f8a067fb725b54::ibtc::IBTC
Ticker: iBTC

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

Bridge

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):

The user transfers BTC to Echo's custodial BTC address on the Bitcoin chain. After Echo confirms receipt, it mints iBTC on the IOTA chain at a 1:1 ratio.

The TVL (Total Value Locked) reported here refers to the total amount of BTC held in Echo's custodial BTC address.

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

[llamabutler]

The adapter at projects/echo-iBTC exports TVL:

bitcoin                   153

total                    152.55540054 

[waynebruce0x]

I dont think these should be seperate? #16126