feat: add IST adapter (#12765)

Co-authored-by: g1nt0ki <[email protected]>

projects/agoric/index.js

@@ -0,0 +1,58 @@
+const { post } = require('../helper/http')
+
+const query = `
+query {
+  vaultManagerMetrics {
+    nodes {
+      liquidatingCollateralBrand
+      totalCollateral
+    }
+  }
+  oraclePrices {
+    nodes {
+      typeInAmount
+      typeOutAmount
+      typeInName
+    }
+  }
+  boardAuxes {
+    nodes {
+      allegedName
+      decimalPlaces
+    }
+  }
+}
+`
+
+const coingeckoMapping = {
+  'stATOM': 'stride-staked-atom',
+  'stkATOM': 'stkatom',
+  'ATOM': 'cosmos',
+  'stOSMO': 'stride-staked-osmo',
+  'stTIA': 'stride-staked-tia',
+}
+const decimals = {}
+
+const tvl = async (api) => {
+  const { data: { vaultManagerMetrics, boardAuxes } } = await post('https://api.subquery.network/sq/agoric-labs/agoric-mainnet-v2', { query })
+
+  boardAuxes.nodes.forEach(board => {
+    decimals[board.allegedName] = 10 ** board.decimalPlaces
+  })
+
+  vaultManagerMetrics.nodes.forEach(vault => {
+    const key = vault.liquidatingCollateralBrand
+    if (!coingeckoMapping[key]) {
+      throw new Error(`Unknown coin ${key} (coingecko mapping is missing)`)
+    }
+    const decimal = decimals[key] ?? 1e6
+    const balance = vault.totalCollateral / decimal
+    api.addCGToken(coingeckoMapping[key], balance)
+  })
+}
+
+module.exports = {
+  agoric: {
+    tvl,
+  },
+}

projects/helper/chains.json

@@ -3,6 +3,7 @@
   "ace",
   "aelf",
   "aeternity",
+  "agoric",
   "ailayer",
   "airdao",
   "alephium",