From 420181581211370923c252fe65df7a5b9d861123 Mon Sep 17 00:00:00 2001
From: tarikgul <tariksnow37@gmail.com>
Date: Fri, 8 Mar 2024 12:24:44 -0500
Subject: [PATCH] small type changes

---
 packages/api-derive/src/staking/stakerExposure.ts | 4 ++--
 packages/api-derive/src/staking/stakerRewards.ts  | 8 ++++----
 packages/api-derive/src/staking/types.ts          | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/packages/api-derive/src/staking/stakerExposure.ts b/packages/api-derive/src/staking/stakerExposure.ts
index 2cf0c932b26b..df3eb06d733b 100644
--- a/packages/api-derive/src/staking/stakerExposure.ts
+++ b/packages/api-derive/src/staking/stakerExposure.ts
@@ -4,7 +4,7 @@
 import type { Observable } from 'rxjs';
 import type { EraIndex } from '@polkadot/types/interfaces';
 import type { DeriveApi } from '../types.js';
-import type { DeriveEraValidatorExposure, DeriveStakerExposure } from './types.js';
+import type { DeriveEraValidatorExposurePaged, DeriveStakerExposure } from './types.js';
 
 import { map, switchMap } from 'rxjs';
 
@@ -19,7 +19,7 @@ export function _stakerExposures (instanceId: string, api: DeriveApi): (accountI
         stakerIds.map((stakerId) =>
           exposures.map(({ era, nominators: allNominators, validators: allValidators }): DeriveStakerExposure => {
             const isValidator = !!allValidators[stakerId];
-            const validators: DeriveEraValidatorExposure = {};
+            const validators: DeriveEraValidatorExposurePaged = {};
             const nominating = allNominators[stakerId] || [];
 
             if (isValidator) {
diff --git a/packages/api-derive/src/staking/stakerRewards.ts b/packages/api-derive/src/staking/stakerRewards.ts
index c439843a4eea..c01b1112d987 100644
--- a/packages/api-derive/src/staking/stakerRewards.ts
+++ b/packages/api-derive/src/staking/stakerRewards.ts
@@ -4,7 +4,7 @@
 import type { Observable } from 'rxjs';
 import type { u32, Vec } from '@polkadot/types';
 import type { AccountId, EraIndex } from '@polkadot/types/interfaces';
-import type { PalletStakingStakingLedger } from '@polkadot/types/lookup';
+import type { PalletStakingExposure, PalletStakingStakingLedger } from '@polkadot/types/lookup';
 import type { BN } from '@polkadot/util';
 import type { DeriveApi, DeriveEraPoints, DeriveEraPrefs, DeriveEraRewards, DeriveEraValPoints, DeriveEraValPrefs, DeriveStakerExposure, DeriveStakerReward, DeriveStakerRewardValidator } from '../types.js';
 import type { DeriveStakingQuery } from './types.js';
@@ -38,7 +38,7 @@ function parseRewards (api: DeriveApi, stashId: AccountId, [erasPoints, erasPref
     Object.entries(eraValidators).forEach(([validatorId, exposure]): void => {
       const valPoints = allValPoints[validatorId] || BN_ZERO;
       const valComm = allValPrefs[validatorId]?.commission.unwrap() || BN_ZERO;
-      const expTotal = exposure.total?.unwrap() || BN_ZERO;
+      const expTotal = ((exposure as PalletStakingExposure).total && (exposure as PalletStakingExposure).total?.unwrap()) || BN_ZERO;
       let avail = BN_ZERO;
       let value: BN | undefined;
 
@@ -48,8 +48,8 @@ function parseRewards (api: DeriveApi, stashId: AccountId, [erasPoints, erasPref
         const valCut = valComm.mul(avail).div(BN_BILLION);
         let staked: BN;
 
-        if (validatorId === stakerId) {
-          staked = exposure.own.unwrap();
+        if (validatorId === stakerId && (exposure as PalletStakingExposure).own) {
+          staked = (exposure as PalletStakingExposure).own.unwrap();
         } else {
           const stakerExp = exposure.others.find(({ who }) => who.eq(stakerId));
 
diff --git a/packages/api-derive/src/staking/types.ts b/packages/api-derive/src/staking/types.ts
index 8b21aa494de6..b84cd9fecfcb 100644
--- a/packages/api-derive/src/staking/types.ts
+++ b/packages/api-derive/src/staking/types.ts
@@ -74,7 +74,7 @@ export interface DeriveStakerExposure {
   isEmpty: boolean;
   isValidator: boolean;
   nominating: DeriveEraExposureNominating[];
-  validators: DeriveEraValidatorExposure;
+  validators: DeriveEraValidatorExposurePaged;
 }
 
 export interface DeriveStakerPrefs {