feat: add xAssets protocol (DefiLlama#14503)

Author: 0xMarkuss

projects/xAssets/index.js

@@ -0,0 +1,60 @@
+const ADDRESSES = require('../helper/coreAssets.json')
+const sdk = require('@defillama/sdk');
+const { sumTokens2 } = require('../helper/unwrapLPs');
+
+const CONTRACT_ADDRESS = '0x10baa5c14ebde8681e83b2503682b3f45b8dc4c2';
+
+const TOKENS = {
+  WXFI: {
+    address: ADDRESSES.crossfi.WXFI,
+    decimals: 18
+  },
+  WETH: {
+    address: '0xa084d905e3F35C6B86B5E672C2e72b0472ddA1e3',
+    decimals: 18
+  },
+  USDC: {
+    address: '0x7bBcE15166bBc008EC1aDF9b3D6bbA0602FCE7Ba',
+    decimals: 6
+  },
+  USDT: {
+    address: '0x38E88b1ed92065eD20241A257ef3713A131C9155',
+    decimals: 6
+  },
+  WBTC: {
+    address: '0x417c85B9D0826501d7399FEeF417656774d333cc',
+    decimals: 8
+  }
+};
+
+async function tvl(timestamp, block, chainBlocks) {
+    const balances = await sumTokens2({
+        chain: 'crossfi',
+        block: chainBlocks['crossfi'],
+        owner: CONTRACT_ADDRESS,
+        tokens: Object.values(TOKENS).map(token => token.address),
+        resolveLP: false,
+        failOnError: false,
+    });
+
+    return balances;
+}
+
+module.exports = {
+  methodology: `Measures the total value locked (TVL) in the xAssets Real World Assets (RWA) protocol on CrossFi chain.
+    TVL is calculated by summing the balances of:
+    - WXFI (Wrapped XFI)
+    - WETH (Wrapped ETH)
+    - USDC
+    - USDT
+    - WBTC
+    
+    that are held by the main xAssets contract at ${CONTRACT_ADDRESS}.
+    
+    The protocol holds liquidity in multiple tokens to back real-world assets tokenized on the CrossFi chain.`,
+  crossfi: {
+    tvl,
+  },
+  timetravel: false,
+  misrepresentedTokens: false,
+};