fix: init offchain service (#1533)

src/api/offchain-rewards/providers/merkl/MerklProvider.ts

@@ -10,6 +10,7 @@ import { isUnixBetween } from '../../../../utils/date';
 import { getJson } from '../../../../utils/http';
 
 const providerId = 'merkl' as const;
+const throwIfNoData: boolean = false; // whether to throw if "{}" is returned
 const supportedChains = new Set<AppChain>([
   'ethereum',
   'polygon',
@@ -162,10 +163,21 @@ export class MerklProvider implements IOffchainRewardProvider {
           providerId
         );
       }
+
+      if (Object.keys(data).length === 0) {
+        if (throwIfNoData) {
+          throw new ProviderApiError(
+            `fetchCampaignsForChain(${chainId}): no data returned`,
+            providerId
+          );
+        }
+        return {};
+      }
+
       const dataForChain = data[numericChainId];
       if (!dataForChain) {
         throw new ProviderApiError(
-          `fetchCampaignsForChain(${chainId}): no data returned`,
+          `fetchCampaignsForChain(${chainId}): no data for chain returned`,
           providerId
         );
       }

src/api/stats/getChainTvl.js

@@ -1,4 +1,3 @@
-import { get } from 'lodash';
 import { ChainId } from '../../../packages/address-book/src/address-book';
 const BigNumber = require('bignumber.js');
 import { fetchPrice } from '../../utils/fetchPrice';
@@ -101,6 +100,9 @@ const setVaultsTvl = async (vaults, balances, chainId, tvls) => {
 };
 
 const getVaultBalances = async (chainId, vaults) => {
+  if (!vaults) {
+    throw new Error(`getVaultBalances: undefined vaults passed for ${chainId}`);
+  }
   const calls = vaults.map(vault => {
     const contract = fetchContract(vault.earnedTokenAddress, BeefyVaultV6Abi, chainId);
     return contract.read.balance();
@@ -110,6 +112,10 @@ const getVaultBalances = async (chainId, vaults) => {
 };
 
 const getGovVaultBalances = async (chainId, govPools) => {
+  if (!govPools) {
+    throw new Error(`getGovVaultBalances: undefined govPools passed for ${chainId}`);
+  }
+
   const calls = govPools.map(vault => {
     const tokenContract = fetchContract(vault.tokenAddress, ERC20Abi, chainId);
     return tokenContract.read.balanceOf([vault.earnContractAddress]);
@@ -120,6 +126,10 @@ const getGovVaultBalances = async (chainId, govPools) => {
 };
 
 const getCowVaultBalances = async (chainId, cowVaults) => {
+  if (!cowVaults) {
+    throw new Error(`getCowVaultBalances: undefined cowVaults passed for ${chainId}`);
+  }
+
   const calls = cowVaults.map(vault => {
     const tokenContract = fetchContract(vault.earnContractAddress, ERC20Abi, chainId);
     return tokenContract.read.totalSupply();

src/app.ts

@@ -18,6 +18,7 @@ import { initZapSwapService } from './api/zap/swap';
 import { initValidatorPerformanceService } from './api/validators/validators';
 import { initArticlesService } from './api/articles/fetchArticlesData';
 import { initCowcentratedService } from './api/cowcentrated';
+import { initOffchainRewardsService } from './api/offchain-rewards';
 
 const Koa = require('koa');
 const helmet = require('koa-helmet');
@@ -65,6 +66,7 @@ const start = async () => {
   initArticlesService();
   initZapSwapService();
   initCowcentratedService();
+  initOffchainRewardsService();
 
   app.listen(port);
   console.log(`> beefy-api running! (:${port})`);