Remove unused hooks and move useGetTimeBeforeEpochNumber to core (Mys…

…tenLabs#11191)

## Description 

Describe the changes or additions included in this PR.

- Moved useGetTimeBeforeEpochNumber
- Deleted unused hooks in wallet - `useSuiObjectFields`,
`useWaitForElement `, `useReferenceGasPrice`

apps/wallet/src/ui/app/staking/useGetTimeBeforeEpochNumber.ts → apps/core/src/hooks/useGetTimeBeforeEpochNumber.ts

@@ -1,12 +1,12 @@
 // Copyright (c) Mysten Labs, Inc.
 // SPDX-License-Identifier: Apache-2.0
 
-import { useSystemState } from './useSystemState';
+import { useGetSystemState } from './useGetSystemState';
 
 // Get time between current epoch and specified epoch
 // Get the period between the current epoch and next epoch
 export function useGetTimeBeforeEpochNumber(epoch: number) {
-    const data = useSystemState();
+    const data = useGetSystemState();
     // Current epoch
     const currentEpoch = Number(data.data?.epoch || 0);
     const currentEpochStartTime = Number(data.data?.epochStartTimestampMs || 0);

apps/core/src/index.ts

@@ -18,3 +18,4 @@ export * from './hooks/useGetNormalizedMoveStruct';
 export * from './PostHogAnalyticsProvider';
 export * from './utils/formatPercentageDisplay';
 export * from './hooks/useGetSystemState';
+export * from './hooks/useGetTimeBeforeEpochNumber';

apps/wallet/src/ui/app/components/receipt-card/StakeTxnCard.tsx

@@ -4,10 +4,10 @@
 import {
     formatPercentageDisplay,
     useGetRollingAverageApys,
+    useGetTimeBeforeEpochNumber,
 } from '@mysten/core';
 import { SUI_TYPE_ARG } from '@mysten/sui.js';
 
-import { useGetTimeBeforeEpochNumber } from '_app/staking/useGetTimeBeforeEpochNumber';
 import { ValidatorLogo } from '_app/staking/validators/ValidatorLogo';
 import { TxnAmount } from '_components/receipt-card/TxnAmount';
 import { NUM_OF_EPOCH_BEFORE_EARNING } from '_src/shared/constants';

apps/wallet/src/ui/app/hooks/index.ts

@@ -6,12 +6,10 @@ export { default as useAppSelector } from './useAppSelector';
 export { default as useInitializedGuard } from './useInitializedGuard';
 export { default as useFullscreenGuard } from './useFullscreenGuard';
 export { default as useMediaUrl, parseIpfsUrl } from './useMediaUrl';
-export { default as useSuiObjectFields } from './useSuiObjectFields';
 export { default as useOnClickOutside } from './useOnClickOutside';
 export { default as useOnKeyboardEvent } from './useOnKeyboardEvent';
 export { default as useFileExtensionType } from './useFileExtensionType';
 export { default as useNFTBasicData } from './useNFTBasicData';
-export { useWaitForElement } from './useWaitForElement';
 export { useGetNFTMeta } from './useGetNFTMeta';
 export { useTransactionDryRun } from './useTransactionDryRun';
 export { useGetTxnRecipientAddress } from './useGetTxnRecipientAddress';

apps/wallet/src/ui/app/staking/home/StakedCard.tsx

@@ -1,12 +1,11 @@
 // Copyright (c) Mysten Labs, Inc.
 // SPDX-License-Identifier: Apache-2.0
 
-import { useFormatCoin } from '@mysten/core';
+import { useFormatCoin, useGetTimeBeforeEpochNumber } from '@mysten/core';
 import { SUI_TYPE_ARG, type SuiAddress } from '@mysten/sui.js';
 import { cx, cva, type VariantProps } from 'class-variance-authority';
 import { Link } from 'react-router-dom';
 
-import { useGetTimeBeforeEpochNumber } from '../useGetTimeBeforeEpochNumber';
 import { ValidatorLogo } from '../validators/ValidatorLogo';
 import { NUM_OF_EPOCH_BEFORE_EARNING } from '_src/shared/constants';
 import { CountDownTimer } from '_src/ui/app/shared/countdown-timer';

apps/wallet/src/ui/app/staking/stake/StakeForm.tsx

@@ -1,13 +1,16 @@
 // Copyright (c) Mysten Labs, Inc.
 // SPDX-License-Identifier: Apache-2.0
 
-import { useCoinDecimals, useFormatCoin } from '@mysten/core';
+import {
+    useCoinDecimals,
+    useFormatCoin,
+    useGetTimeBeforeEpochNumber,
+} from '@mysten/core';
 import { Field, Form, useFormikContext } from 'formik';
 import { memo, useCallback, useMemo } from 'react';
 
 import { parseAmount } from '../../helpers';
 import { useTransactionGasBudget, useActiveAddress } from '../../hooks';
-import { useGetTimeBeforeEpochNumber } from '../useGetTimeBeforeEpochNumber';
 import { type FormValues } from './StakingCard';
 import { createStakeTransaction } from './utils/transaction';
 import { Card } from '_app/shared/card';

apps/wallet/src/ui/app/staking/stake/UnstakeForm.tsx

@@ -1,15 +1,14 @@
 // Copyright (c) Mysten Labs, Inc.
 // SPDX-License-Identifier: Apache-2.0
 
-import { useFormatCoin } from '@mysten/core';
+import { useFormatCoin, useGetTimeBeforeEpochNumber } from '@mysten/core';
 import { SUI_TYPE_ARG } from '@mysten/sui.js';
 import { Form } from 'formik';
 import { useMemo } from 'react';
 
 import { useTransactionGasBudget, useActiveAddress } from '../../hooks';
 import { GAS_SYMBOL } from '../../redux/slices/sui-objects/Coin';
 import { Heading } from '../../shared/heading';
-import { useGetTimeBeforeEpochNumber } from '../useGetTimeBeforeEpochNumber';
 import { createUnstakeTransaction } from './utils/transaction';
 import { Card } from '_app/shared/card';
 import { Text } from '_app/shared/text';