Merge pull request #1772 from Leoakin43/master

Add Moonwell fees and revenue

fees/moonwell/index.ts

@@ -0,0 +1,95 @@
+import ADDRESSES from '../../helpers/coreAssets.json'
+import { BaseAdapter, FetchOptions, IJSON, SimpleAdapter } from "../../adapters/types";
+import * as sdk from "@defillama/sdk";
+
+const comptrollerABI = {
+    underlying: "address:underlying",
+    getAllMarkets: "address[]:getAllMarkets",
+    accrueInterest: "event AccrueInterest(uint256 cashPrior,uint256 interestAccumulated,uint256 borrowIndex,uint256 totalBorrows)",
+    reservesAdded: "event ReservesAdded(address benefactor,uint256 addAmount,uint256 newTotalReserves)",
+    reserveFactor: "uint256:reserveFactorMantissa",
+};
+
+const baseUnitroller = "0xfBb21d0380beE3312B33c4353c8936a0F13EF26C";
+const moonbeamUnitroller = "0x8E00D5e02E65A19337Cdba98bbA9F84d4186a180";
+const moonriverUnitroller = "0x0b7a0EAA884849c6Af7a129e899536dDDcA4905E";
+const optimismUnitroller = "0xCa889f40aae37FFf165BccF69aeF1E82b5C511B9";
+
+async function getFees(market: string, { createBalances, api, getLogs, }: FetchOptions, {
+    dailyFees,
+    dailyRevenue,
+    abis = {},
+}: {
+    dailyFees?: sdk.Balances,
+    dailyRevenue?: sdk.Balances,
+    abis?: any
+}) {
+    if (!dailyFees) dailyFees = createBalances()
+    if (!dailyRevenue) dailyRevenue = createBalances()
+    const markets = await api.call({ target: market, abi: comptrollerABI.getAllMarkets, })
+    const underlyings = await api.multiCall({ calls: markets, abi: comptrollerABI.underlying, permitFailure: true, });
+    underlyings.forEach((underlying, index) => {
+        if (!underlying) underlyings[index] = ADDRESSES.null
+    })
+    const reserveFactors = await api.multiCall({ calls: markets, abi: abis.reserveFactor ?? comptrollerABI.reserveFactor, });
+    const logs: any[] = (await getLogs({
+        targets: markets,
+        flatten: false,
+        eventAbi: comptrollerABI.accrueInterest,
+    })).map((log: any, index: number) => {
+        return log.map((i: any) => ({
+            ...i,
+            interestAccumulated: Number(i.interestAccumulated),
+            marketIndex: index,
+        }));
+    }).flat()
+
+    const reservesAddedLogs: any[] = (await getLogs({
+        targets: markets,
+        flatten: false,
+        eventAbi: comptrollerABI.reservesAdded,
+    })).map((log: any, index: number) => {
+        return log.map((i: any) => ({
+            ...i,
+            addAmount: Number(i.addAmount),
+            marketIndex: index,
+        }));
+    }).flat()
+
+    logs.forEach((log: any) => {
+        const marketIndex = log.marketIndex;
+        const underlying = underlyings[marketIndex]
+        dailyFees!.add(underlying, log.interestAccumulated);
+        dailyRevenue!.add(underlying, log.interestAccumulated * Number(reserveFactors[marketIndex]) / 1e18);
+    })
+
+    reservesAddedLogs.forEach((log: any) => {
+        const marketIndex = log.marketIndex;
+        const underlying = underlyings[marketIndex]
+        dailyRevenue!.add(underlying, log.addAmount / 1e18);
+    })
+
+    return { dailyFees, dailyRevenue }
+}
+
+function moonwellExport(config: IJSON<string>) {
+    const exportObject: BaseAdapter = {}
+    Object.entries(config).map(([chain, market]) => {
+        exportObject[chain] = {
+            fetch: (async (options: FetchOptions) => {
+                const { dailyFees, dailyRevenue } = await getFees(market, options, {})
+                const dailyHoldersRevenue = dailyRevenue
+                const dailySupplySideRevenue = options.createBalances()
+                dailySupplySideRevenue.addBalances(dailyFees)
+                Object.entries(dailyRevenue.getBalances()).forEach(([token, balance]) => {
+                    dailySupplySideRevenue.addTokenVannila(token, Number(balance) * -1)
+                })
+                return { dailyFees, dailyRevenue, dailyHoldersRevenue, dailySupplySideRevenue }
+            }),
+            start: 0,
+        }
+    })
+    return { adapter: exportObject, version: 2 } as SimpleAdapter
+}
+
+export default moonwellExport({ base: baseUnitroller, moonbeam: moonbeamUnitroller, moonriver: moonriverUnitroller, optimism: optimismUnitroller });