refactor: remove Infura

- Removed Infura API key references from .env.template, constants, and related files.
- Updated CI workflow to exclude Infura API key.
- Adjusted EvmClient to only use Alchemy and DRPC providers.
- Updated tests to reflect the removal of Infura.

Author: Jipperism

.env.template

@@ -30,8 +30,5 @@ SENTRY_AUTH_TOKEN="" #disabled for local
 # https://www.alchemy.com/
 ALCHEMY_API_KEY=""
 
-# https://www.infura.io/
-INFURA_API_KEY=""
-
 # https://drpc.org/
 DRPC_API_KEY=""

.github/workflows/ci-test-unit.yml

@@ -18,7 +18,6 @@ jobs:
 
       ALCHEMY_API_KEY: ${{ secrets.ALCHEMY_API_KEY }}
       DRPC_API_KEY: "test"
-      INFURA_API_KEY: "test"
       FILECOIN_API_KEY: "test"
 
       INDEXER_ENVIRONMENT: "test"

src/client/evmClient.ts

@@ -1,8 +1,4 @@
-import {
-  alchemyApiKey,
-  drpcApiPkey,
-  infuraApiKey,
-} from "../utils/constants.js";
+import { alchemyApiKey, drpcApiPkey } from "../utils/constants.js";
 import { PublicClient, createPublicClient, fallback } from "viem";
 import { ChainFactory } from "./chainFactory.js";
 import { RpcClientFactory } from "./rpcClientFactory.js";
@@ -17,6 +13,7 @@ class AlchemyProvider implements RpcProvider {
     const urls: Record<number, string> = {
       10: `https://opt-mainnet.g.alchemy.com/v2/${alchemyApiKey}`,
       8453: `https://base-mainnet.g.alchemy.com/v2/${alchemyApiKey}`,
+      42220: `https://celo-mainnet.g.alchemy.com/v2/${alchemyApiKey}`,
       42161: `https://arb-mainnet.g.alchemy.com/v2/${alchemyApiKey}`,
       421614: `https://arb-sepolia.g.alchemy.com/v2/${alchemyApiKey}`,
       84532: `https://base-sepolia.g.alchemy.com/v2/${alchemyApiKey}`,
@@ -26,18 +23,6 @@ class AlchemyProvider implements RpcProvider {
   }
 }
 
-class InfuraProvider implements RpcProvider {
-  getUrl(chainId: number): string | undefined {
-    const urls: Record<number, string> = {
-      10: `https://optimism-mainnet.infura.io/v3/${infuraApiKey}`,
-      42220: `https://celo-mainnet.infura.io/v3/${infuraApiKey}`,
-      42161: `https://arbitrum-mainnet.infura.io/v3/${infuraApiKey}`,
-      421614: `https://arbitrum-sepolia.infura.io/v3/${infuraApiKey}`,
-    };
-    return urls[chainId];
-  }
-}
-
 class DrpcProvider implements RpcProvider {
   getUrl(chainId: number): string | undefined {
     const networks: Record<number, string> = {
@@ -97,7 +82,6 @@ class LavaProvider implements RpcProvider {
 export class EvmClientFactory {
   private static readonly providers: RpcProvider[] = [
     new AlchemyProvider(),
-    new InfuraProvider(),
     new DrpcProvider(),
     new GlifProvider(),
     new AnkrProvider(),

src/utils/constants.ts

@@ -16,7 +16,6 @@ export const web3upKey = getRequiredEnvVar("KEY", "WEB3UP Key");
 export const web3upProof = getRequiredEnvVar("PROOF", "WEB3UP Proof");
 export const indexerEnvironment = getRequiredEnvVar("INDEXER_ENVIRONMENT");
 export const alchemyApiKey = getRequiredEnvVar("ALCHEMY_API_KEY");
-export const infuraApiKey = getRequiredEnvVar("INFURA_API_KEY");
 export const drpcApiPkey = getRequiredEnvVar("DRPC_API_KEY");
 export const cachingDatabaseUrl = getRequiredEnvVar("CACHING_DATABASE_URL");
 export const dataDatabaseUrl = getRequiredEnvVar("DATA_DATABASE_URL");

test/client/evmClient.test.ts

@@ -6,7 +6,6 @@ import { RpcClientFactory } from "../../src/client/rpcClientFactory.js";
 vi.mock("@/utils/constants", () => ({
   indexerEnvironment: "test",
   alchemyApiKey: "mock-alchemy-key",
-  infuraApiKey: "mock-infura-key",
   drpcApiPkey: "mock-drpc-key",
   filecoinApiKey: "mock-filecoin-key",
   Environment: { TEST: "test", PROD: "prod" },
@@ -59,10 +58,9 @@ describe("EvmClientFactory", () => {
       expect(sepoliaUrls[0]).toContain("alchemy.com");
 
       const opUrls = EvmClientFactory.getAllAvailableUrls(10);
-      expect(opUrls).toHaveLength(3); // Alchemy, Infura, DRPC for Optimism
+      expect(opUrls).toHaveLength(2); // Alchemy, DRPC for Optimism
       expect(opUrls[0]).toContain("alchemy.com");
-      expect(opUrls[1]).toContain("infura.io");
-      expect(opUrls[2]).toContain("drpc.org");
+      expect(opUrls[1]).toContain("drpc.org");
     });
 
     it("returns empty array for unsupported chain", () => {