From 8d3cb72189db5a5a6015ebff28f5d29b1af00e68 Mon Sep 17 00:00:00 2001
From: Jaco Greeff <jacogr@gmail.com>
Date: Sun, 3 Nov 2019 00:12:15 +0100
Subject: [PATCH] currentEraPointsEarned not on V1

---
 packages/api-derive/src/staking/overview.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/packages/api-derive/src/staking/overview.ts b/packages/api-derive/src/staking/overview.ts
index 45fb88512c..116101cdfd 100644
--- a/packages/api-derive/src/staking/overview.ts
+++ b/packages/api-derive/src/staking/overview.ts
@@ -8,7 +8,7 @@ import { DerivedStakingOverview } from '../types';
 
 import { Observable, combineLatest, of } from 'rxjs';
 import { map, switchMap } from 'rxjs/operators';
-import { Vec } from '@polkadot/types';
+import { createType, Vec } from '@polkadot/types';
 
 import { drr, memo } from '../util';
 import { indexes as sessionIndexes } from '../session';
@@ -31,7 +31,9 @@ export const overview = memo((api: ApiInterfaceRx): () => Observable<DerivedStak
         combineLatest([
           of({ currentElected, currentEra, currentIndex, validators, validatorCount }),
           // this will change on a per block basis, keep it innermost (and it needs eraIndex)
-          api.query.staking.currentEraPointsEarned<EraPoints>(currentEra)
+          api.query.staking.currentEraPointsEarned
+            ? api.query.staking.currentEraPointsEarned<EraPoints>(currentEra)
+            : of(createType('EraPoints'))
         ])
       ),
       map(([{ currentElected, currentEra, currentIndex, validators, validatorCount }, eraPoints]): DerivedStakingOverview => ({