feat: add dew (#16874)

projects/dew.js

@@ -0,0 +1,29 @@
+const { sumSingleBalance, call } = require('./helper/chain/near')
+
+const VAULT_CONTRACT = "dew-rneardefi-vault.near"
+
+async function tvl() {
+    const balances = {}
+
+    const totalShares = await call(VAULT_CONTRACT, 'ft_total_supply', {})
+    const exchangeRateScale = await call(VAULT_CONTRACT, 'get_exchange_rate_scale', {})
+    const rNearExchangeRate = await call(VAULT_CONTRACT, 'get_exchange_rate', {
+        asset: {
+            FungibleToken: {
+                contract_id: "lst.rhealab.near"
+            }
+        }
+    })
+
+    const rNearSupplied = BigInt(totalShares) * BigInt(rNearExchangeRate) / BigInt(exchangeRateScale)
+
+    sumSingleBalance(balances, "lst.rhealab.near", rNearSupplied)
+
+    return balances
+}
+
+module.exports = {
+    near: {
+        tvl: tvl
+    }
+}