Add USP TVL calculation for Ethereum (#1) (DefiLlama#16907)

Author: goktug-piku

projects/piku-dao/index.js

@@ -0,0 +1,32 @@
+const ADDRESSES = require('../helper/coreAssets.json')
+
+const USP_TOKEN = '0x098697bA3Fee4eA76294C5d6A466a4e3b3E95FE6'
+const ORACLE = '0x433471901bA1A8BDE764E8421790C7D9bAB33552'
+
+async function tvl(api) {
+  // Get USP total supply and oracle price in parallel
+  const [totalSupply, decimals, pricePerToken] = await Promise.all([
+    api.call({ target: USP_TOKEN, abi: 'erc20:totalSupply' }),
+    api.call({ target: USP_TOKEN, abi: 'uint256:decimals' }),
+    api.call({ target: ORACLE, abi: 'function getPriceForIssuance() view returns (uint256)' })
+  ])
+
+  // Calculate TVL in USDC
+  // totalSupply is in 18 decimals, pricePerToken is in 6 decimals (USDC format)
+  // Result should be in USDC's 6 decimals
+  // Formula: (totalSupply * price) / 10^18 = TVL in USDC (6 decimals)
+  const tvlInUsdc = (totalSupply * pricePerToken) / (10 ** decimals)
+
+  // Report as USDC for proper USD valuation
+  api.add(ADDRESSES.ethereum.USDC, tvlInUsdc)
+}
+
+module.exports = {
+  methodology: "TVL is calculated by multiplying USP stablecoin's total supply with its oracle price (getPriceForIssuance). The oracle price is manually updated and reflects the yield-bearing value of USP backed by USDC.",
+  start: 23081800,
+  timetravel: true,
+  misrepresentedTokens: false,
+  ethereum: {
+    tvl,
+  }
+}