Add swapRegistry(hash?) to initlize clean registry (#2534)

* Add swapRegistry(hash?) to initlize clean registry * Cater for genesisHash queries
2020-08-29 15:46:42 +02:00
parent 11694f1393
commit c4323d5e94
7 changed files with 133 additions and 43 deletions
@@ -8,6 +8,7 @@ import { DeriveEraPoints, DeriveEraValPoints } from '../types';

 import { Observable, of } from 'rxjs';
 import { map, switchMap } from 'rxjs/operators';
+import { BN_ZERO } from '@polkadot/util';

 import { deriveCache, memo } from '../util';

@@ -15,7 +16,7 @@ const CACHE_KEY = 'eraPoints';

 function mapValidators ({ individual }: EraRewardPoints): DeriveEraValPoints {
  return [...individual.entries()]
-    .filter(([, points]): boolean => points.gtn(0))
+    .filter(([, points]) => points.gt(BN_ZERO))
    .reduce((result: DeriveEraValPoints, [validatorId, points]): DeriveEraValPoints => {
      result[validatorId.toString()] = points;