fix StakeStone BeraVault TVL calculation: add Boyco deployed amount (DefiLlama#12880)

Co-authored-by: g1nt0ki <[email protected]>

Author: stakestone-scdev

projects/stakestone-berastone/index.js

@@ -1,15 +1,22 @@
+const ADDRESSES = require('../helper/coreAssets.json')
+
 const vaultABI = {
-  "getUnderlyings": "function getUnderlyings() external view returns (address[])"
+  "getUnderlyings": "function getUnderlyings() external view returns (address[])",
+  "assetsBorrowed": "function assetsBorrowed() external view returns (uint256)"
 }
 
 const Vault = '0x8f88aE3798E8fF3D0e0DE7465A0863C9bbB577f0';
 
 const Tvl = async (api) => {
+  const usedTVL = await api.call({ abi: vaultABI.assetsBorrowed, target: Vault })
+  api.add(ADDRESSES.ethereum.WETH, usedTVL);
+
   const underlyings = await api.call({ abi: vaultABI.getUnderlyings, target: Vault })
   return api.sumTokens({ owner: Vault, tokens: underlyings })
 }
 
 module.exports = {
+  doublecounted: true,
   ethereum: {
     tvl: Tvl,
   }