feat: fetch sbbtc-apr from dune api

SwingbyProtocol · Jul 25, 2023 · f773da7 · f773da7
1 parent f1b96c5
commit f773da7
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Showing 4 changed files with 11 additions and 123 deletions.
diff --git a/src/modules/hooks/useGetPoolApr/index.tsx b/src/modules/hooks/useGetPoolApr/index.tsx
@@ -37,23 +37,15 @@ export const useGetPoolApr = (): { apr: PoolAprState; isLoading: boolean } => {
         query: { bridge: 'btc_skypool' },
       });
 
-      const farmBsc = stringifyUrl({
-        url: `${ENDPOINT_YIELD_FARMING}/api/v1/farm-info`,
-        query: { farm: 'SkyPools' },
-      });
-
-      const results = await Promise.all([
-        fetcher<{ apy: number }>(sbBtcSkypoolUrl),
-        fetcher<{ apr: number; swingbyPerBlock: number; farmTvl: number }>(farmBsc),
-      ]);
+      const results = await Promise.all([fetcher<{ apy: number }>(sbBtcSkypoolUrl)]);
 
       setApr({
         btc_skypool: {
           sbBtc: results[0].apy,
-          farm: results[1].apr,
-          total: results[0].apy + results[1].apr,
-          swingbyPerBlock: results[1].swingbyPerBlock,
-          farmTvl: results[1].farmTvl,
+          farm: 0,
+          total: results[0].apy,
+          swingbyPerBlock: 0,
+          farmTvl: 0,
         },
       });
     } catch (error) {

diff --git a/src/modules/scenes/Main/Liquidity/AddLiquidity/index.tsx b/src/modules/scenes/Main/Liquidity/AddLiquidity/index.tsx
@@ -102,39 +102,7 @@ export const AddLiquidity = (props: Props) => {
     }
   };
 
-  const [transactionFee, setTransactionFee] = useState(null);
-  const [isLoading, setIsLoading] = useState(false);
-  const context = useSdkContext();
   const sbBTC = getBridgeSbBtc(bridge);
-  useEffect(() => {
-    let cancelled = false;
-
-    (async () => {
-      Number(amount) > 0 && setIsLoading(true);
-      try {
-        if (cancelled) return;
-
-        const { feeTotal } = await estimateAmountReceiving({
-          context,
-          currencyDeposit: currency as CoinSymbol,
-          currencyReceiving: sbBTC,
-          amountDesired: amount,
-        });
-        if (cancelled) return;
-        setTransactionFee(feeTotal);
-      } catch (e) {
-        if (cancelled) return;
-        console.log(e);
-        setTransactionFee('');
-      }
-      setIsLoading(false);
-    })();
-
-    return () => {
-      cancelled = true;
-      setTransactionFee('');
-    };
-  }, [currency, amount, context, bridge, sbBTC]);
 
   const widget = createWidget({
     resource: 'pool',

diff --git a/src/modules/scenes/Main/Liquidity/Withdraw/index.tsx b/src/modules/scenes/Main/Liquidity/Withdraw/index.tsx
@@ -132,38 +132,6 @@ export const Withdraw = (props: Props) => {
     }
   }, [dispatch, toCurrency, transactionFees, context, amount, currency, bridge]);
 
-  const [transactionFee, setTransactionFee] = useState(null);
-  const [isLoading, setIsLoading] = useState(false);
-
-  useEffect(() => {
-    let cancelled = false;
-
-    (async () => {
-      Number(amount) > 0 && setIsLoading(true);
-      try {
-        if (cancelled) return;
-        const { feeTotal } = await estimateAmountReceiving({
-          context,
-          currencyDeposit: getBridgeSbBtc(bridge),
-          currencyReceiving: toCurrency,
-          amountDesired: amount,
-        });
-        if (cancelled) return;
-        setTransactionFee(feeTotal);
-      } catch (e) {
-        if (cancelled) return;
-        console.log(e);
-        setTransactionFee('');
-      }
-      setIsLoading(false);
-    })();
-
-    return () => {
-      cancelled = true;
-      setTransactionFee('');
-    };
-  }, [toCurrency, amount, context, bridge]);
-
   const currencyItems = (
     <>
       {poolCurrencies.map((currency) => (

diff --git a/src/pages/api/v1/sbbtc-apr.ts b/src/pages/api/v1/sbbtc-apr.ts
@@ -3,30 +3,9 @@ import { aprToApy } from 'apr-tools';
 import { NextApiRequest, NextApiResponse } from 'next';
 
 import { corsMiddleware, getParam } from '../../../modules/api';
-import { sumArray } from '../../../modules/common';
 import { fetcher } from '../../../modules/fetch';
-import {
-  fetchFloatBalances,
-  fetchVwap,
-  getFixedBaseEndpoint,
-  getTransactionFee,
-  IFloat,
-} from '../../../modules/explorer';
 import { skypoolsEnabled } from '../../../modules/env';
 
-const getFloatUsd = (bridge: SkybridgeBridge, usdBtc: number, floatBalances: IFloat) => {
-  const sumFloatUsd = (floatBtc: number, floatPeggedBtc: number, usdBtc: number) =>
-    (floatBtc + floatPeggedBtc) * usdBtc;
-
-  switch (bridge) {
-    case 'btc_skypool':
-      return sumFloatUsd(floatBalances.btcSkypool, floatBalances.wbtcSkypool, usdBtc);
-
-    default:
-      return sumFloatUsd(floatBalances.btcSkypool, floatBalances.wbtcSkypool, usdBtc);
-  }
-};
-
 const isBridgeEnabled = (bridge: SkybridgeBridge): boolean => {
   switch (bridge) {
     case 'btc_skypool': {
@@ -51,34 +30,15 @@ export default async function handler(
   }
 
   try {
-    const usdBtc = await fetchVwap('btcUsd');
-
-    // Memo: 1/3 goes to liquidity provider
-    const feeGoesLiquidityProvider = 0.33;
-    const baseUrl = getFixedBaseEndpoint(bridge);
-
     const results = await Promise.all([
-      fetcher<{ network1mSwapsVolume: number[] }>(`${baseUrl}/api/v1/swaps/stats`),
-      getTransactionFee(bridge),
-      fetchFloatBalances(usdBtc, bridge),
+      fetcher<{ result: { rows: { apr: number; date: string }[] } }>(
+        'https://api.dune.com/api/v1/query/2705069/results?api_key=6AUVgjoBeq5858W8OVcwIhJz4xM0JWPE',
+      ),
     ]);
 
-    const network1mSwapVolume = results[0].network1mSwapsVolume;
-    const bridgeFeePercent = Number(results[1].bridgeFeePercent) * 0.01;
-    const floatBalances = results[2].floats;
-
-    const filledMonth = network1mSwapVolume.filter((it: number) => it !== 0).length;
-    const yearlyVolume = sumArray(network1mSwapVolume);
-    const averageVolume = yearlyVolume / filledMonth;
-    const estimatedYearlyVolumeUsd = averageVolume * usdBtc * 12;
-    const floatUsd = getFloatUsd(bridge, usdBtc, floatBalances);
-
-    if (floatUsd > 0) {
-      // Eg: ((32,356,354 * 0.002 * 0.33) / 470,438) * 100 = 4.5
-      const estApr =
-        ((estimatedYearlyVolumeUsd * bridgeFeePercent * feeGoesLiquidityProvider) / floatUsd) * 100;
-
-      apr = Number(estApr.toFixed(1));
+    const currentApr = results[0].result.rows.find((row) => row.apr > 0);
+    if (currentApr) {
+      apr = Number(currentApr.apr.toFixed(1));
       apy = Number(aprToApy(apr).toFixed(1));
     }