fix: dedicated api key for functions

Author: jaybuidl

web/netlify/functions/authUser.ts

@@ -78,7 +78,7 @@ const authUser = async (event) => {
       console.info(`Environment variables: ${envVars}`);
 
       const alchemyChain = isProductionDeployment() ? "arb-mainnet" : "arb-sepolia";
-      const alchemyRpcURL = `https://${alchemyChain}.g.alchemy.com/v2/${process.env.ALCHEMY_API_KEY}`;
+      const alchemyRpcURL = `https://${alchemyChain}.g.alchemy.com/v2/${process.env.ALCHEMY_FUNCTIONS_API_KEY}`;
       const provider = new ethers.providers.JsonRpcProvider(alchemyRpcURL);
       await siweMessage.verify({ signature, nonce: nonceData.nonce, time: new Date().toISOString() }, { provider });
     } catch (err) {