stability adapter

Author: a17

projects/stability/abi.json

@@ -0,0 +1,5 @@
+{
+    "vaultAddresses": "function vaultAddresses() view returns (address[] memory vaultAddress)",
+    "strategy": "address:strategy",
+    "assetsAmounts": "function assetsAmounts() view returns (address[] memory assets_, uint[] memory amounts_)"
+}

projects/stability/index.js

@@ -0,0 +1,43 @@
+const abi = require('./abi.json')
+
+const config = {
+    polygon: {
+        vaultManager: '0x6008b366058B42792A2497972A3312274DC5e1A8',
+    },
+}
+
+module.exports = {}
+
+Object.keys(config).forEach(chain => {
+    module.exports[chain] = {
+        tvl: async function (_, _1, _2, { api }) {
+            // Stability Platform Vaults
+            // Get all vaults
+            const vaults = await api.call({
+                abi: abi.vaultAddresses,
+                target: config[chain].vaultManager
+            });
+
+            // Get strategy addresses
+            const strategies = await api.multiCall({ abi: abi.strategy, calls: vaults, })
+
+            // Get all assets amounts managed by strategies
+            const assetsAmountsAll = await api.multiCall({ abi: abi.assetsAmounts, calls: strategies, })
+
+            // Get summary balances
+            const balances = {}
+            for (const assetsAmounts of assetsAmountsAll) {
+                for (let i = 0; i < assetsAmounts[0].length; i++) {
+                    const asset = assetsAmounts[0][i]
+                    if (balances[asset] === undefined) {
+                        balances[asset] = 0
+                    }
+                    balances[asset] += +assetsAmounts[1][i]
+                }
+            }
+
+            // Add data
+            api.addTokens(Object.keys(balances), Object.keys(balances).map(asset => balances[asset]))            
+          },
+    }
+})