Fabo/allow single network run (#495)

* allow running a single network * readme * apply fix in networks * Update lib/apollo.js Co-authored-by: Bitcoinera <[email protected]>
luniehq · Mar 23, 2020 · 99ae0b3 · 99ae0b3
1 parent df24c7e
commit 99ae0b3
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Showing 3 changed files with 6 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -49,6 +49,7 @@ When running you can access GraphQL Playground at http://localhost:4000/. You ca
 | `REDIS_URL` | Redis server URI in `<auth>@hostname:port` format |
 | `ENGINE_API_KEY` | Enable Apollo GraphQL metrics through https://engine.apollographql.com/  |
 | `SENTRY_DSN` | Sentry (https://sentry.io) data source name in format `https://<key>@sentry.io/<project>` |
+| `RUN_ONLY_NETWORK` | Run only the network with this ID (allows scaling and better development) |
 
 ## Networks
 

diff --git a/lib/controller/transaction/index.js b/lib/controller/transaction/index.js
@@ -17,7 +17,7 @@ global.fetch = require('node-fetch')
 let api
 async function initPolkadotAPI() {
   // ignore polkadot in tests for now
-  if (process.env.TEST) return
+  if (process.env.TEST || !networkMap['polkadot-testnet']) return
 
   api = new ApiPromise({
     provider: new WsProvider(networkMap['polkadot-testnet'].rpc_url)

diff --git a/lib/networks.js b/lib/networks.js
@@ -7,7 +7,10 @@ let networks = networksMain
 if (config.enableTestnet || config.env === 'test') {
   networks = [...networks, ...networksLocal]
 }
-
+// if the RUN_ONLY_NETWORK env variable is set, we only run the especified network
+if (process.env.RUN_ONLY_NETWORK) {
+  networks = networks.filter(({ id }) => id === process.env.RUN_ONLY_NETWORK)
+}
 module.exports = {
   networkList: networks,
   networkMap: keyBy(networks, 'id'),