Fixes error when logs returns undefined

5 years ago · 6d85dbf4ef
parent 0ff928bc62
commit 6d85dbf4ef
1 changed files with 6 additions and 5 deletions
--- a/packages/harmony-network/src/subscriptions/LogSub.ts
+++ b/packages/harmony-network/src/subscriptions/LogSub.ts
@ -26,11 +26,12 @@ export class LogSub extends SubscriptionMethod {
        }

        const logs = getPastLogs.result;
-
-        logs.forEach((log: any) => {
-          const formattedLog = this.onNewSubscriptionItem(log);
-          this.emitter.emit('data', formattedLog);
-        });
+        if (logs !== undefined) {
+          logs.forEach((log: any) => {
+            const formattedLog = this.onNewSubscriptionItem(log);
+            this.emitter.emit('data', formattedLog);
+          });
+        }

        delete this.options.fromBlock;
        // const sub = this.start();