helachain: add stablehodl (DefiLlama#15162)

Co-authored-by: Nguyen Quan <[email protected]>
Co-authored-by: Nguyen Quan <[email protected]>

Author: 3 people

projects/stablehodl/index.js

@@ -0,0 +1,60 @@
+const ADDRESSES = require('../helper/coreAssets.json');
+const poolABI = {
+    type: "function",
+    name: "poolTokenAmounts",
+    inputs: [{name: "", type: "address", internalType: "address"}],
+    outputs: [{name: "", type: "uint256", internalType: "uint256"}],
+    stateMutability: "view"
+};
+const poolAddresses = {
+    hela: {
+        pool: "0x850034064016D9105D8719b3E06c30789e5E87Fc",
+        token: ADDRESSES.null
+    },
+    bsc: {
+        pool: "0x528d46B5780879E28Cf410C0b86D991A38Fe64Aa",
+        tokens: [ADDRESSES.bsc.USDT, ADDRESSES.bsc.USDC]
+    },
+    polygon: {
+        pool: "0x109d3042a3c682f94107b3818e93b3ade2a47544",
+        tokens: [ADDRESSES.polygon.USDC_CIRCLE, ADDRESSES.polygon.USDT]
+    },
+    ethereum: {
+       pool: "0x109D3042a3c682F94107b3818e93b3aDE2A47544",
+       tokens: [ADDRESSES.ethereum.USDC, ADDRESSES.ethereum.USDT]
+    }
+}
+
+async function tvl(api, chain) {
+    if (chain === 'hela') {
+        const tvl = await api.call({ abi: poolABI, target: poolAddresses[chain].pool, params: poolAddresses[chain].token, chain})
+        api.add(poolAddresses[chain].token, tvl)
+    }
+    if (chain === 'bsc' || chain === 'polygon' || chain === 'ethereum') {
+        const tvls = await api.multiCall({ abi: poolABI, calls: poolAddresses[chain].tokens.map((t) => ({ target: poolAddresses[chain].pool, params: t })), chain })
+        tvls.forEach((tvl, i) => api.add(poolAddresses[chain].tokens[i], tvl))
+    }
+}
+ 
+module.exports = {
+  hela: {
+    tvl: async (api) => {
+      await tvl(api, 'hela', api.chain)
+    }
+  },
+  bsc: {
+    tvl: async (api) => {
+      await tvl(api, 'bsc', api.chain)
+    }
+  },
+  polygon: {
+    tvl: async (api) => {
+      await tvl(api, 'polygon', api.chain)
+    }
+  },
+  ethereum: {
+    tvl: async (api) => {
+      await tvl(api, 'ethereum', api.chain)
+    }
+  }
+}