diff --git a/src/components/BorrowInput/index.tsx b/src/components/BorrowInput/index.tsx
index 0900de4..bb7da04 100644
--- a/src/components/BorrowInput/index.tsx
+++ b/src/components/BorrowInput/index.tsx
@@ -1,17 +1,56 @@
 import React, { useCallback, useEffect, useMemo, useState } from "react";
-import { useLendingReserve, useTokenName, useUserAccounts, useUserBalance } from '../../hooks';
-import { LendingReserve, LendingReserveParser } from "../../models/lending";
+import { useCollateralBalance, useLendingReserve, useLendingReserves, useTokenName, useUserAccounts, useUserBalance } from '../../hooks';
+import { LendingReserve, LendingReserveParser } from "../../models";
 import { TokenIcon } from "../TokenIcon";
-import { formatNumber } from "../../utils/utils";
-import { Button, Card } from "antd";
+import { formatNumber, getTokenName } from "../../utils/utils";
+import { Button, Card, Select } from "antd";
 import { useParams } from "react-router-dom";
-import { cache, useAccount } from "../../contexts/accounts";
+import { cache, ParsedAccount, useAccount } from "../../contexts/accounts";
 import { NumericInput } from "../Input/numeric";
-import { useConnection } from "../../contexts/connection";
+import { useConnection, useConnectionConfig } from "../../contexts/connection";
 import { useWallet } from "../../contexts/wallet";
 import { borrow } from '../../actions';
 import { PublicKey } from "@solana/web3.js";
 import './style.less';
+import { Token } from "@solana/spl-token";
+
+const { Option } = Select;
+
+const CollateralSelector = (props: {
+  mint?: string,
+  onMintChange: (id: string) => void;
+}) => {
+  const { reserveAccounts } = useLendingReserves();
+  const { tokenMap } = useConnectionConfig();
+
+  return <Select
+    size="large"
+    showSearch
+    style={{ minWidth: 120 }}
+    placeholder="Collateral"
+    value={props.mint}
+    onChange={(item) => {
+      if (props.onMintChange) {
+        props.onMintChange(item);
+      }
+    }}
+    filterOption={(input, option) =>
+      option?.name?.toLowerCase().indexOf(input.toLowerCase()) >= 0
+    }
+  >
+    {reserveAccounts.map(reserve => {
+      const mint = reserve.info.liquidityMint.toBase58();
+      const address = reserve.pubkey.toBase58();
+      const name = getTokenName(tokenMap, mint);
+      return <Option key={address} value={address} name={name} title={address}>
+      <div key={address} style={{ display: "flex", alignItems: "center" }}>
+        <TokenIcon mintAddress={mint} />
+        {name}
+      </div>
+    </Option>
+    })}
+  </Select>;
+}
 
 export const BorrowInput = (props: { className?: string, reserve: LendingReserve, address: PublicKey }) => {
   const connection = useConnection();
@@ -22,32 +61,43 @@ export const BorrowInput = (props: { className?: string, reserve: LendingReserve
   const borrowReserve = props.reserve;
   const borrowReserveAddress = props.address;
 
-  const [collateralReserve, setCollateralReserve] = useState<LendingReserve>();
+  const [collateralReserveMint, setCollateralReserveMint] = useState<string>();
+  
 
-  const collateralReserveAddress = useMemo(() => {
-    return cache.byParser(LendingReserveParser)
-      .find(acc => cache.get(acc) === collateralReserve);
-  }, [collateralReserve])
+  const collateralReserve = useMemo(() => {
+    const id: string = cache.byParser(LendingReserveParser)
+      .find(acc => acc === collateralReserveMint) || '';
+
+    return cache.get(id) as ParsedAccount<LendingReserve>;
+  }, [collateralReserveMint])
+
+  const collateral = useCollateralBalance(collateralReserve?.info);
 
   const name = useTokenName(borrowReserve?.liquidityMint);
-  const { 
-    balance: tokenBalance, 
-    accounts: fromAccounts 
-  } = useUserBalance(collateralReserve?.liquidityMint);
+  const {
+    balance: tokenBalance,
+    accounts: fromAccounts
+  } = useUserBalance(collateralReserve?.info.collateralMint);
   // const collateralBalance = useUserBalance(reserve?.collateralMint);
 
+  if(collateral) {
+    debugger;
+  }
+
   const onBorrow = useCallback(() => {
-    if(!collateralReserve || !collateralReserveAddress) {
+    if (!collateralReserve) {
       return;
     }
 
+    debugger;
+
     borrow(
       fromAccounts[0],
       parseFloat(value),
       borrowReserve,
       borrowReserveAddress,
-      collateralReserve,
-      new PublicKey(collateralReserveAddress),
+      collateralReserve.info,
+      collateralReserve.pubkey,
       connection,
       wallet);
   }, [value, borrowReserve, fromAccounts, borrowReserveAddress]);
@@ -83,6 +133,13 @@ export const BorrowInput = (props: { className?: string, reserve: LendingReserve
         />
         <div>{name}</div>
       </div>
+      <div className="borrow-input-title">
+        Select collateral account?
+      </div>
+      <CollateralSelector
+        mint={collateralReserveMint}
+        onMintChange={setCollateralReserveMint}
+        />
 
       <Button type="primary" onClick={onBorrow} disabled={fromAccounts.length === 0}>Borrow</Button>
     </div>
diff --git a/src/components/DepositInfoLine/index.tsx b/src/components/DepositInfoLine/index.tsx
index 0d23f7e..ee9f94f 100644
--- a/src/components/DepositInfoLine/index.tsx
+++ b/src/components/DepositInfoLine/index.tsx
@@ -1,15 +1,8 @@
-import React, { useCallback, useEffect, useMemo, useState } from "react";
-import { useLendingReserve, useTokenName, useUserAccounts, useUserBalance, useCollateralBalance } from './../../hooks';
-import { LendingReserve, LendingReserveParser } from "../../models/lending";
-import { TokenIcon } from "../../components/TokenIcon";
+import React, {  } from "react";
+import { useTokenName, useUserBalance, useCollateralBalance } from './../../hooks';
+import { LendingReserve } from "../../models/lending";
 import { formatNumber } from "../../utils/utils";
-import { Button, Card } from "antd";
-import { useParams } from "react-router-dom";
-import { cache, useAccount } from "../../contexts/accounts";
-import { NumericInput } from "../../components/Input/numeric";
-import { useConnection } from "../../contexts/connection";
-import { useWallet } from "../../contexts/wallet";
-import { deposit } from './../../actions/deposit';
+import { Card } from "antd";
 import './style.less';
 import { PublicKey } from "@solana/web3.js";
 
diff --git a/src/components/ReserveStatus/index.tsx b/src/components/ReserveStatus/index.tsx
index f71afcd..c6b64e4 100644
--- a/src/components/ReserveStatus/index.tsx
+++ b/src/components/ReserveStatus/index.tsx
@@ -1,30 +1,11 @@
-import React, { useCallback, useEffect, useMemo, useState } from "react";
-import { useLendingReserve, useTokenName, useUserAccounts, useUserBalance } from './../../hooks';
-import { LendingReserve, LendingReserveParser } from "../../models/lending";
-import { TokenIcon } from "../../components/TokenIcon";
-import { formatNumber } from "../../utils/utils";
-import { Button, Card } from "antd";
-import { useParams } from "react-router-dom";
-import { cache, useAccount } from "../../contexts/accounts";
-import { NumericInput } from "../../components/Input/numeric";
-import { useConnection } from "../../contexts/connection";
-import { useWallet } from "../../contexts/wallet";
-import { deposit } from './../../actions/deposit';
+import React, { useState } from "react";
+import { LendingReserve } from "../../models/lending";
+import { Card } from "antd";
 import { PublicKey } from "@solana/web3.js";
 import './style.less';
 
 export const ReserveStatus = (props: { className?: string, reserve: LendingReserve, address: PublicKey }) => {
-  const connection = useConnection();
-  const { wallet } = useWallet();
-  const { id } = useParams<{ id: string }>();
-  const [value, setValue] = useState('');
-
-  const reserve = props.reserve;
-  const address = props.address;
-
-  const name = useTokenName(reserve?.liquidityMint);
-  const { balance: tokenBalance, accounts: fromAccounts } = useUserBalance(reserve?.liquidityMint);
-
+  const [] = useState('');
 
   const bodyStyle: React.CSSProperties = { 
     display: 'flex', 
diff --git a/src/components/UserLendingCard/index.tsx b/src/components/UserLendingCard/index.tsx
index dcb7896..1329b36 100644
--- a/src/components/UserLendingCard/index.tsx
+++ b/src/components/UserLendingCard/index.tsx
@@ -1,11 +1,10 @@
-import React, { useMemo } from "react";
-import { useCollateralBalance, useLendingReserve, useTokenName, useUserAccounts, useUserBalance } from './../../hooks';
-import { LendingReserve, LendingReserveParser } from "../../models/lending";
-import { TokenIcon } from "../../components/TokenIcon";
-import { formatNumber, formatPct, fromLamports } from "../../utils/utils";
+import React from "react";
+import { useCollateralBalance, useTokenName, useUserBalance } from './../../hooks';
+import { LendingReserve } from "../../models/lending";
+import { formatNumber, fromLamports } from "../../utils/utils";
 import { Button, Card, Typography } from "antd";
-import { Link, useParams } from "react-router-dom";
-import { useAccount, useMint } from "../../contexts/accounts";
+import { Link } from "react-router-dom";
+import { useMint } from "../../contexts/accounts";
 import { PublicKey } from "@solana/web3.js";
 
 const { Text } = Typography;
@@ -24,7 +23,6 @@ export const UserLendingCard = (props: {
   const { balance: tokenBalance } = useUserBalance(props.reserve.liquidityMint);
   const { balance: collateralBalance } = useCollateralBalance(props.reserve);
 
-  const totalLiquidity = fromLamports(props.reserve.totalLiquidity.toNumber(), liquidityMint);
 
   // TODO: calculate
   const borrowed = 0;
diff --git a/src/contexts/accounts.tsx b/src/contexts/accounts.tsx
index b85181c..828583f 100644
--- a/src/contexts/accounts.tsx
+++ b/src/contexts/accounts.tsx
@@ -352,13 +352,17 @@ export const getMultipleAccounts = async (
     .map(
       (a) =>
         a.array.map((acc) => {
+          if(!acc) {
+            return;
+          }
+
           const { data, ...rest } = acc;
           const obj = {
             ...rest,
             data: Buffer.from(data[0], "base64"),
           } as AccountInfo<Buffer>;
           return obj;
-        }) as AccountInfo<Buffer>[]
+        }).filter(_ => _) as AccountInfo<Buffer>[]
     )
     .flat();
   return { keys, array };
diff --git a/src/contexts/lending.tsx b/src/contexts/lending.tsx
index db892ca..e7ce90e 100644
--- a/src/contexts/lending.tsx
+++ b/src/contexts/lending.tsx
@@ -1,10 +1,9 @@
-import React, { useCallback, useContext, useEffect, useState } from "react";
+import React, { useCallback, useEffect, useState } from "react";
 import { useConnection } from "./connection";
 import { LENDING_PROGRAM_ID } from "./../constants/ids";
-import { LendingReserveLayout, LendingMarketLayout, LendingMarket, LendingMarketParser, isLendingReserve, isLendingMarket, LendingReserveParser, LendingReserve } from "./../models/lending";
-import { cache, getMultipleAccounts, ParsedAccount } from "./accounts";
-import { AccountInfo, PublicKey } from "@solana/web3.js";
-import { isForInStatement } from "typescript";
+import { LendingMarketParser, isLendingReserve, isLendingMarket, LendingReserveParser, LendingReserve } from "./../models/lending";
+import { cache, getMultipleAccounts } from "./accounts";
+import { PublicKey } from "@solana/web3.js";
 
 export interface LendingContextState {
 
@@ -64,7 +63,6 @@ export const useLending = () => {
       await getMultipleAccounts(connection, toQuery, "single").then(
         ({ keys, array }) => {
           return array.map((obj, index) => {
-            const pubKey = new PublicKey(keys[index]);
             // TODO: add to cache
 
             return obj;
diff --git a/src/hooks/useCollateralBalance.ts b/src/hooks/useCollateralBalance.ts
index a290751..42fb550 100644
--- a/src/hooks/useCollateralBalance.ts
+++ b/src/hooks/useCollateralBalance.ts
@@ -1,16 +1,19 @@
-import { PublicKey } from "@solana/web3.js";
-import { useMemo } from "react";
-import { useAccount, useMint } from "../contexts/accounts";
+import { useMint } from "../contexts/accounts";
 import { LendingReserve } from "../models/lending";
 import { fromLamports } from "../utils/utils";
-import { useUserAccounts } from "./useUserAccounts";
 import { useUserBalance } from "./useUserBalance";
 
 export function useCollateralBalance(reserve?: LendingReserve) {
   const mint = useMint(reserve?.collateralMint);
-  const { balance: nativeBalance, accounts  } = useUserBalance(reserve?.collateralMint, true);
+  const { balanceLamports, accounts } = useUserBalance(reserve?.collateralMint);
 
-  const balance = fromLamports((reserve?.totalLiquidity.toNumber() || 0) * (nativeBalance / (reserve?.collateralMintSupply.toNumber() || 1)), mint);
+  const collateralRatioLamports =
+    (reserve?.totalLiquidity.toNumber() || 0) *
+    (balanceLamports / (reserve?.collateralMintSupply.toNumber() || 1));
 
-  return { balance, accounts };
+  return {
+    balance: fromLamports(collateralRatioLamports, mint),
+    balanceLamports: collateralRatioLamports,
+    accounts
+  };
 }
\ No newline at end of file
diff --git a/src/hooks/useUserBalance.ts b/src/hooks/useUserBalance.ts
index 01fdadf..af30b92 100644
--- a/src/hooks/useUserBalance.ts
+++ b/src/hooks/useUserBalance.ts
@@ -4,7 +4,7 @@ import { useMint } from "../contexts/accounts";
 import { fromLamports } from "../utils/utils";
 import { useUserAccounts } from "./useUserAccounts";
 
-export function useUserBalance(mint?: PublicKey, inLamports = false) {
+export function useUserBalance(mint?: PublicKey) {
   const { userAccounts } = useUserAccounts();
   const mintInfo = useMint(mint);
   const accounts = useMemo(() => {
@@ -13,11 +13,14 @@ export function useUserBalance(mint?: PublicKey, inLamports = false) {
       .sort((a, b) => b.info.amount.sub(a.info.amount).toNumber());
   }, [userAccounts]);
 
-  const balance = useMemo(() => {
-    const result =  accounts
+  const balanceLamports = useMemo(() => {
+    return accounts
       .reduce((res, item) => res += item.info.amount.toNumber(), 0);
-    return inLamports ? result : fromLamports(result , mintInfo);
   },[accounts, mintInfo]);
 
-  return { balance, accounts };
+  return {
+    balance: fromLamports(balanceLamports, mintInfo),
+    balanceLamports,
+    accounts,
+  };
 }
\ No newline at end of file
diff --git a/src/models/lending/reserve.ts b/src/models/lending/reserve.ts
index 1ff7ada..12476d4 100644
--- a/src/models/lending/reserve.ts
+++ b/src/models/lending/reserve.ts
@@ -1,8 +1,6 @@
 import {
   AccountInfo,
-  Connection,
   PublicKey,
-  sendAndConfirmRawTransaction,
   SYSVAR_CLOCK_PUBKEY,
   SYSVAR_RENT_PUBKEY,
   TransactionInstruction,
@@ -10,7 +8,6 @@ import {
 import BN from "bn.js";
 import * as BufferLayout from "buffer-layout";
 import { LENDING_PROGRAM_ID, TOKEN_PROGRAM_ID } from "../../constants/ids";
-import { sendTransaction } from "../../contexts/connection";
 import * as Layout from "./../../utils/layout";
 import { LendingInstruction } from './lending';
 
diff --git a/src/views/borrowReserve/index.tsx b/src/views/borrowReserve/index.tsx
index cb06950..7cd147f 100644
--- a/src/views/borrowReserve/index.tsx
+++ b/src/views/borrowReserve/index.tsx
@@ -1,23 +1,14 @@
-import React, { useCallback, useEffect, useMemo, useState } from "react";
-import { useLendingReserve, useTokenName, useUserAccounts, useUserBalance } from '../../hooks';
-import { LendingReserve, LendingReserveParser } from "../../models/lending";
-import { TokenIcon } from "../../components/TokenIcon";
-import { formatNumber } from "../../utils/utils";
-import { Button, Card } from "antd";
+import React, {  } from "react";
+import { useLendingReserve } from '../../hooks';
 import { useParams } from "react-router-dom";
-import { cache, useAccount } from "../../contexts/accounts";
-import { NumericInput } from "../../components/Input/numeric";
 import { useConnection } from "../../contexts/connection";
 import { useWallet } from "../../contexts/wallet";
-import { deposit } from '../../actions/deposit';
 import './style.less';
 
 import { BorrowInput } from '../../components/BorrowInput';
 import { SideReserveOverview, SideReserveOverviewMode } from '../../components/SideReserveOverview';
 
 export const BorrowReserveView = () => {
-  const connection = useConnection();
-  const { wallet } = useWallet();
   const { id } = useParams<{ id: string }>();
   const lendingReserve = useLendingReserve(id);
   const reserve = lendingReserve?.info;
diff --git a/src/views/deposit/view/item.tsx b/src/views/deposit/view/item.tsx
index 3fdd42e..39805e0 100644
--- a/src/views/deposit/view/item.tsx
+++ b/src/views/deposit/view/item.tsx
@@ -1,5 +1,5 @@
-import React, { useMemo } from "react";
-import { useCollateralBalance, useTokenName, useUserAccounts, useUserBalance } from '../../../hooks';
+import React from "react";
+import { useCollateralBalance, useTokenName, useUserBalance } from '../../../hooks';
 import { LendingReserve } from "../../../models/lending";
 import { TokenIcon } from "../../../components/TokenIcon";
 import { formatNumber } from "../../../utils/utils";
diff --git a/src/views/depositReserve/index.tsx b/src/views/depositReserve/index.tsx
index 403baa2..385af54 100644
--- a/src/views/depositReserve/index.tsx
+++ b/src/views/depositReserve/index.tsx
@@ -1,15 +1,6 @@
-import React, { useCallback, useEffect, useMemo, useState } from "react";
-import { useLendingReserve, useTokenName, useUserAccounts, useUserBalance } from '../../hooks';
-import { LendingReserve, LendingReserveParser } from "../../models/lending";
-import { TokenIcon } from "../../components/TokenIcon";
-import { formatNumber } from "../../utils/utils";
-import { Button, Card } from "antd";
+import React, {  } from "react";
+import { useLendingReserve } from '../../hooks';
 import { useParams } from "react-router-dom";
-import { cache, useAccount } from "../../contexts/accounts";
-import { NumericInput } from "../../components/Input/numeric";
-import { useConnection } from "../../contexts/connection";
-import { useWallet } from "../../contexts/wallet";
-import { deposit } from '../../actions/deposit';
 import './style.less';
 
 import { DepositInput } from '../../components/DepositInput';
@@ -17,8 +8,6 @@ import { DepositInfoLine } from '../../components/DepositInfoLine';
 import { SideReserveOverview, SideReserveOverviewMode } from '../../components/SideReserveOverview';
 
 export const DepositReserveView = () => {
-  const connection = useConnection();
-  const { wallet } = useWallet();
   const { id } = useParams<{ id: string }>();
   const lendingReserve = useLendingReserve(id);
   const reserve = lendingReserve?.info;
diff --git a/src/views/home/index.tsx b/src/views/home/index.tsx
index cc965ca..415035d 100644
--- a/src/views/home/index.tsx
+++ b/src/views/home/index.tsx
@@ -1,9 +1,5 @@
-import React, { useMemo } from "react";
-import { useLendingReserves, useTokenName, useUserAccounts, useUserBalance } from '../../hooks';
-import { LendingReserve } from "../../models/lending";
-import { TokenIcon } from "../../components/TokenIcon";
-import { formatNumber } from "../../utils/utils";
-import { Button } from "antd";
+import React from "react";
+import { useLendingReserves } from '../../hooks';
 import { LendingReserveItem } from "./item";
 import './itemStyle.less';
 
diff --git a/src/views/reserve/index.tsx b/src/views/reserve/index.tsx
index 41ed7ed..d866494 100644
--- a/src/views/reserve/index.tsx
+++ b/src/views/reserve/index.tsx
@@ -1,24 +1,12 @@
-import React, { useCallback, useEffect, useMemo, useState } from "react";
-import { useLendingReserve, useTokenName, useUserAccounts, useUserBalance } from './../../hooks';
-import { LendingReserve, LendingReserveParser } from "../../models/lending";
-import { TokenIcon } from "../../components/TokenIcon";
-import { formatNumber } from "../../utils/utils";
-import { Button, Card } from "antd";
+import React, {  } from "react";
+import { useLendingReserve } from './../../hooks';
 import { useParams } from "react-router-dom";
-import { cache, useAccount } from "../../contexts/accounts";
-import { NumericInput } from "../../components/Input/numeric";
-import { useConnection } from "../../contexts/connection";
-import { useWallet } from "../../contexts/wallet";
-import { deposit } from './../../actions/deposit';
 import './style.less';
 
-import { DepositInput } from '../../components/DepositInput';
 import { UserLendingCard } from './../../components/UserLendingCard';
 import { ReserveStatus } from './../../components/ReserveStatus';
 
 export const ReserveView = () => {
-  const connection = useConnection();
-  const { wallet } = useWallet();
   const { id } = useParams<{ id: string }>();
   const lendingReserve = useLendingReserve(id);
   const reserve = lendingReserve?.info;