add Kernel adapter (DefiLlama#10954)

* add Kernel adapter * update sdk --------- Co-authored-by: 0xpeluche <[email protected]> Co-authored-by: g1nt0ki <[email protected]>
Cryptobroker01 · Jul 12, 2024 · 74d778a · 74d778a
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commit 74d778a
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Showing 3 changed files with 38 additions and 3 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/projects/kernel/abi.js b/projects/kernel/abi.js
@@ -0,0 +1,5 @@
+exports.abi = {
+  numApprovedTokens: "function numApprovedTokens() view returns (uint256)",
+  approvedTokens: "function approvedTokens(uint256) view returns (address)",
+  tokens: "function tokens(address) view returns (address vaultToken, address rateProvider, uint256 cap, uint256 deposited, bool paused)"
+};
diff --git a/projects/kernel/index.js b/projects/kernel/index.js
@@ -0,0 +1,30 @@
+const abi  =  {
+  tokens: "function tokens(address) view returns (address vaultToken, address rateProvider, uint256 cap, uint256 deposited, bool paused)"
+}
+
+const ASSETS = [
+  "0xf02C96DbbB92DC0325AD52B3f9F2b951f972bf00", // krETH
+  "0x513D27c94C0D81eeD9DC2a88b4531a69993187cF", // ksETH
+  "0x0bB9aB78aAF7179b7515e6753d89822b91e670C4", // kUSD
+]
+
+const tvl = async (api) => {
+  const tokens = await api.fetchList({ lengthAbi: 'numApprovedTokens', itemAbi: 'approvedTokens', calls: ASSETS, groupedByInput: true, });
+  const assets = []
+  const balanceCalls = []
+  tokens.forEach((tokens, i) => {
+    assets.push(...tokens)
+    balanceCalls.push(...tokens.map(token => ({ target: ASSETS[i], params: token })))
+  })
+  const balances = (await api.multiCall({ calls: balanceCalls, abi: abi.tokens })).map(i => i.deposited)
+  api.add(assets, balances)
+};
+
+module.exports = {
+  doublecounted: true,
+  methodology: 'The TVL represents the sum of each LST deposited in the protocol',
+  ethereum: {
+    tvl,
+  },
+};
+