rmeove unused hook and bake it into the user assets store

src/state/assets/userAssets.ts

@@ -1,5 +1,6 @@
 import { ParsedSearchAsset, UniqueId, UserAssetFilter } from '@/__swaps__/types/assets';
 import { ChainId } from '@/__swaps__/types/chains';
+import { add, convertAmountToNativeDisplayWorklet } from '@/__swaps__/utils/numbers';
 import { RainbowError, logger } from '@/logger';
 import store from '@/redux/store';
 import { SUPPORTED_CHAIN_IDS, supportedNativeCurrencies } from '@/references';
@@ -26,6 +27,12 @@ export interface UserAssetsState {
   associatedWalletAddress: Address | undefined;
   chainBalances: Map<ChainId, number>;
   currentAbortController: AbortController;
+  totalAssetNativeBalance:
+    | {
+        amount: string;
+        display: string;
+      }
+    | undefined;
   filter: UserAssetFilter;
   idsByChain: Map<UserAssetFilter, UniqueId[]>;
   inputSearchQuery: string;
@@ -37,6 +44,10 @@ export interface UserAssetsState {
   getHighestValueAsset: () => ParsedSearchAsset | null;
   getUserAsset: (uniqueId: UniqueId) => ParsedSearchAsset | null;
   getUserAssets: () => ParsedSearchAsset[];
+  getTotalAssetNativeBalance: () => {
+    amount: string;
+    display: string;
+  };
   selectUserAssetIds: (selector: (asset: ParsedSearchAsset) => boolean, filter?: UserAssetFilter) => Generator<UniqueId, void, unknown>;
   selectUserAssets: (selector: (asset: ParsedSearchAsset) => boolean) => Generator<[UniqueId, ParsedSearchAsset], void, unknown>;
   setSearchCache: (queryKey: string, filteredIds: UniqueId[]) => void;
@@ -129,6 +140,7 @@ export const userAssetsStore = createRainbowStore<UserAssetsState>(
     inputSearchQuery: '',
     searchCache: new Map(),
     userAssets: new Map(),
+    totalAssetNativeBalance: undefined,
 
     getBalanceSortedChainList: () => {
       const chainBalances = [...get().chainBalances.entries()];
@@ -185,6 +197,17 @@ export const userAssetsStore = createRainbowStore<UserAssetsState>(
 
     getUserAssets: () => Array.from(get().userAssets.values()) || [],
 
+    getTotalAssetNativeBalance: () => {
+      const { getUserAssets } = get();
+
+      const amount = getUserAssets().reduce((prev, curr) => add(prev, curr.native.balance.amount), '0');
+
+      return {
+        amount,
+        display: convertAmountToNativeDisplayWorklet(amount, store.getState().settings.nativeCurrency),
+      };
+    },
+
     selectUserAssetIds: function* (selector: (asset: ParsedSearchAsset) => boolean, filter?: UserAssetFilter) {
       const { currentAbortController, idsByChain, userAssets } = get();