feat: optionally use allbridge header if provided (#790)

### Description

Add support for our Allbridge header to prevent rate-limiting; Users
without this header / api-key should not be impacted.

Author: MuckT

package.json

@@ -33,7 +33,7 @@
     "start": "ts-node ./scripts/start.ts",
     "deploy:staging": "gcloud beta functions deploy --gen2 --concurrency=80 --cpu 1 --memory=256MB --project=celo-mobile-alfajores --region=us-central1 --runtime=nodejs20 --env-vars-file=src/api/staging.yaml --update-labels \"valora-repo=hooks,commit-sha=$(git rev-parse HEAD)\"",
     "deploy:staging:http": "yarn deploy:staging --trigger-http --allow-unauthenticated",
-    "deploy:production": "gcloud beta functions deploy --gen2 --concurrency=80 --cpu 1 --memory=512MB --project=celo-mobile-mainnet --region=us-central1 --runtime=nodejs20 --env-vars-file=src/api/production.yaml --update-labels \"valora-repo=hooks,commit-sha=$(git rev-parse HEAD)\" --set-secrets=NETWORK_ID_TO_RPC_URL=hooks-rpc-urls:latest",
+    "deploy:production": "gcloud beta functions deploy --gen2 --concurrency=80 --cpu 1 --memory=512MB --project=celo-mobile-mainnet --region=us-central1 --runtime=nodejs20 --env-vars-file=src/api/production.yaml --update-labels \"valora-repo=hooks,commit-sha=$(git rev-parse HEAD)\" --set-secrets=NETWORK_ID_TO_RPC_URL=hooks-rpc-urls:latest,ALLBRIDGE_API_KEY=allbridge-api-key:latest",
     "deploy:production:http": "yarn deploy:production --trigger-http --allow-unauthenticated"
   },
   "dependencies": {

src/apps/allbridge/api.ts

@@ -2,6 +2,7 @@ import got from '../../utils/got'
 import { NetworkId } from '../../types/networkId'
 import { Address } from 'viem'
 import { LRUCache } from 'lru-cache'
+import { getConfig } from '../../config'
 
 type SupportedAllbridgeChainSymbols =
   | 'ETH'
@@ -97,12 +98,17 @@ export async function getAllbridgeTokenInfo({
     TOKEN_INFO_RESPONSE_KEY,
   ) as AllbridgeApiResponse
   if (!allbridgeTokensInfoResponse) {
+    const headers: Record<string, string> = {
+      'x-Sdk-Agent': 'AllbridgeCoreSDK/3.21.0', // as in https://github.com/allbridge-io/allbridge-core-js-sdk/blob/5deb0623d6fffcbc7a85dba22b98942c47d4af6c/src/client/core-api/api-client.ts#L48
+    }
+
+    const allBridgeApiKey = getConfig().ALLBRIDGE_API_KEY
+    if (allBridgeApiKey) {
+      headers['valora-allbridge-core'] = allBridgeApiKey
+    }
+
     allbridgeTokensInfoResponse = await got
-      .get('https://core.api.allbridgecoreapi.net/token-info', {
-        headers: {
-          'x-Sdk-Agent': 'AllbridgeCoreSDK/3.21.0', // as in https://github.com/allbridge-io/allbridge-core-js-sdk/blob/5deb0623d6fffcbc7a85dba22b98942c47d4af6c/src/client/core-api/api-client.ts#L48
-        },
-      })
+      .get('https://core.api.allbridgecoreapi.net/token-info', { headers })
       .json()
     cache.set(TOKEN_INFO_RESPONSE_KEY, allbridgeTokensInfoResponse)
   }

src/config/index.ts

@@ -11,6 +11,7 @@ export interface Config {
   EARN_SUPPORTED_NETWORK_IDS: NetworkId[]
   SIMULATE_TRANSACTIONS_URL?: string
   GET_SWAP_QUOTE_URL: string
+  ALLBRIDGE_API_KEY?: string
 }
 
 export function networkIdToRpcUrlTransform(val: string | undefined) {
@@ -53,6 +54,7 @@ export function getConfig(): Config {
     EARN_SUPPORTED_NETWORK_IDS: z
       .string()
       .transform((val) => val.split(',') as NetworkId[]),
+    ALLBRIDGE_API_KEY: z.string().optional(),
   })
 
   // Provide defaults in development