Mp 2548 deposit into vault (#264)

* Implement vault deposit message

* Merge custom Coin into BNCoin

* Fix build errors

* fixed tests

__tests__/components/Modals/vault/VaultBorrowings.test.tsx

@@ -5,6 +5,7 @@ import { BN } from 'utils/helpers'
 import useStore from 'store'
 import DisplayCurrency from 'components/DisplayCurrency'
 import VaultBorrowings, { VaultBorrowingsProps } from 'components/Modals/Vault/VaultBorrowings'
+import { TESTNET_VAULTS_META_DATA } from 'constants/vaults'
 
 jest.mock('hooks/usePrices', () =>
   jest.fn(() => ({
@@ -20,11 +21,27 @@ jest.mock('hooks/useMarketAssets', () =>
   })),
 )
 
+jest.mock('hooks/broadcast/useDepositVault', () => jest.fn(() => ({})))
+
 jest.mock('components/DisplayCurrency')
+
 const mockedDisplayCurrency = jest
   .mocked(DisplayCurrency)
   .mockImplementation(() => <div>Display currency</div>)
 
+const mockedVault: Vault = {
+  ...TESTNET_VAULTS_META_DATA[0],
+  apy: 0,
+  ltv: {
+    liq: 0.2,
+    max: 0.1,
+  },
+  cap: {
+    denom: 'test',
+    max: 10,
+    used: 2,
+  },
+}
 describe('<VaultBorrowings />', () => {
   const defaultProps: VaultBorrowingsProps = {
     primaryAsset: ASSETS[0],
@@ -38,7 +55,9 @@ describe('<VaultBorrowings />', () => {
       vaults: [],
       lends: [],
     },
+    vault: mockedVault,
     borrowings: [],
+    deposits: [],
     onChangeBorrowings: jest.fn(),
   }
 

package.json

@@ -21,6 +21,7 @@
     "@tippyjs/react": "^4.2.6",
     "bignumber.js": "^9.1.1",
     "classnames": "^2.3.2",
+    "debounce-promise": "^3.1.2",
     "moment": "^2.29.4",
     "next": "^13.4.7",
     "react": "^18.2.0",
@@ -41,6 +42,7 @@
     "@svgr/webpack": "^8.0.1",
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^14.0.0",
+    "@types/debounce-promise": "^3.1.6",
     "@types/node": "^20.3.1",
     "@types/react": "18.2.14",
     "@types/react-dom": "18.2.4",

src/api/accounts/getAccountDebts.ts

@@ -1,10 +1,11 @@
 import getAccount from 'api/accounts/getAccount'
+import { BNCoin } from 'types/classes/BNCoin'
 
-export default async function getAccountDebts(accountId: string): Promise<Coin[]> {
+export default async function getAccountDebts(accountId: string): Promise<BNCoin[]> {
   const account = await getAccount(accountId)
 
   if (account) {
-    return account.debts
+    return account.debts.map((coin) => new BNCoin(coin))
   }
 
   return new Promise((_, reject) => reject('Account not found'))

src/api/accounts/getAccountDeposits.ts

@@ -1,10 +1,11 @@
 import getAccount from 'api/accounts/getAccount'
+import { BNCoin } from 'types/classes/BNCoin'
 
-export default async function getAccountDeposits(accountId: string) {
+export default async function getAccountDeposits(accountId: string): Promise<BNCoin[]> {
   const account = await getAccount(accountId)
 
   if (account) {
-    return account.deposits
+    return account.deposits.map((coin) => new BNCoin(coin))
   }
 
   return new Promise((_, reject) => reject('Account not found'))

src/api/incentives/calculateAssetIncentivesApy.ts

@@ -8,7 +8,9 @@ import getMarsPrice from 'api/prices/getMarsPrice'
 import { ASSETS } from 'constants/assets'
 import { byDenom } from 'utils/array'
 
-export default async function calculateAssetIncentivesApy(denom: string): Promise<number | null> {
+export default async function calculateAssetIncentivesApy(
+  denom: string,
+): Promise<BigNumber | null> {
   try {
     const [assetIncentive, market] = await Promise.all([getAssetIncentive(denom), getMarket(denom)])
 
@@ -38,7 +40,7 @@ export default async function calculateAssetIncentivesApy(denom: string): Promis
     const totalAnnualReturnsValue = annualEmission.plus(marketReturns)
     const incentivesApy = totalAnnualReturnsValue.dividedBy(marketLiquidityValue).multipliedBy(100)
 
-    return incentivesApy.toNumber()
+    return incentivesApy
   } catch (ex) {
     console.error(ex)
     return null

src/api/markets/getMarketBorrowings.ts

@@ -19,8 +19,8 @@ export default async function getMarketBorrowings(): Promise<BorrowAsset[]> {
       ...asset,
       borrowRate: market.borrowRate ?? 0,
       liquidity: {
-        amount: amount,
-        value: BN(amount).times(price).toString(),
+        amount: BN(amount),
+        value: BN(amount).times(price),
       },
     }
   })

src/api/markets/getMarketDebts.ts

@@ -1,7 +1,8 @@
 import getMarkets from 'api/markets/getMarkets'
 import { getRedBankQueryClient } from 'api/cosmwasm-client'
+import { BNCoin } from 'types/classes/BNCoin'
 
-export default async function getMarketDebts(): Promise<Coin[]> {
+export default async function getMarketDebts(): Promise<BNCoin[]> {
   try {
     const markets: Market[] = await getMarkets()
     const redBankQueryClient = await getRedBankQueryClient()
@@ -14,7 +15,9 @@ export default async function getMarketDebts(): Promise<Coin[]> {
     )
     const debtsResults = await Promise.all(debtQueries)
 
-    return debtsResults.map<Coin>((debt, index) => ({ denom: markets[index].denom, amount: debt }))
+    return debtsResults.map<BNCoin>(
+      (debt, index) => new BNCoin({ denom: markets[index].denom, amount: debt }),
+    )
   } catch (ex) {
     throw ex
   }

src/api/markets/getMarketDeposits.ts

@@ -1,16 +1,20 @@
 import getMarkets from 'api/markets/getMarkets'
 import getUnderlyingLiquidityAmount from 'api/markets/getMarketUnderlyingLiquidityAmount'
+import { BNCoin } from 'types/classes/BNCoin'
 
-export default async function getMarketDeposits(): Promise<Coin[]> {
+export default async function getMarketDeposits(): Promise<BNCoin[]> {
   try {
     const markets: Market[] = await getMarkets()
     const depositQueries = markets.map(getUnderlyingLiquidityAmount)
     const depositsResults = await Promise.all(depositQueries)
 
-    return depositsResults.map<Coin>((deposit, index) => ({
+    return depositsResults.map<BNCoin>(
+      (deposit, index) =>
+        new BNCoin({
           denom: markets[index].denom,
           amount: deposit,
-    }))
+        }),
+    )
   } catch (ex) {
     throw ex
   }

src/api/markets/getMarketLiquidities.ts

@@ -1,25 +1,26 @@
 import { BN } from 'utils/helpers'
 import getMarketDeposits from 'api/markets/getMarketDeposits'
 import getMarketDebts from 'api/markets/getMarketDebts'
+import { BNCoin } from 'types/classes/BNCoin'
 
-export default async function getMarketLiquidities(): Promise<Coin[]> {
+export default async function getMarketLiquidities(): Promise<BNCoin[]> {
   const deposits = await getMarketDeposits()
   const debts = await getMarketDebts()
 
-  const liquidity: Coin[] = deposits.map((deposit) => {
+  const liquidity: BNCoin[] = deposits.map((deposit) => {
     const debt = debts.find((debt) => debt.denom === deposit.denom)
 
     if (debt) {
-      return {
+      return new BNCoin({
         denom: deposit.denom,
-        amount: BN(deposit.amount).minus(debt.amount).toString(),
-      }
+        amount: deposit.amount.minus(debt.amount).toString(),
+      })
     }
 
-    return {
+    return new BNCoin({
       denom: deposit.denom,
       amount: '0',
-    }
+    })
   })
 
   if (liquidity) {

src/api/vaults/getMinLpToReceive.ts

@@ -0,0 +1,19 @@
+import { getCreditManagerQueryClient } from 'api/cosmwasm-client'
+import { ENV } from 'constants/env'
+import { BN } from 'utils/helpers'
+
+export default async function getVaultConfigs(coins: Coin[], lpDenom: string): Promise<BigNumber> {
+  if (!ENV.ADDRESS_CREDIT_MANAGER) return BN(0)
+
+  const creditManagerQueryClient = await getCreditManagerQueryClient()
+  try {
+    return BN(
+      await creditManagerQueryClient.estimateProvideLiquidity({
+        coinsIn: coins,
+        lpTokenOut: lpDenom,
+      }),
+    )
+  } catch (ex) {
+    throw ex
+  }
+}

src/components/Account/AccountBalancesTable.tsx

@@ -16,6 +16,7 @@ import Text from 'components/Text'
 import { ASSETS } from 'constants/assets'
 import useStore from 'store'
 import { convertToDisplayAmount, demagnify } from 'utils/formatters'
+import { BN } from 'utils/helpers'
 
 interface Props {
   data: Account
@@ -43,7 +44,7 @@ export const AccountBalancesTable = (props: Props) => {
           { amount: deposit.amount, denom: deposit.denom },
           displayCurrency,
           prices,
-        ),
+        ).toString(),
         apy,
       }
     })
@@ -60,7 +61,7 @@ export const AccountBalancesTable = (props: Props) => {
           { amount: lending.amount, denom: lending.denom },
           displayCurrency,
           prices,
-        ),
+        ).toString(),
         apy,
       }
     })
@@ -104,9 +105,11 @@ export const AccountBalancesTable = (props: Props) => {
           return (
             <FormattedNumber
               className='text-right text-xs'
-              amount={demagnify(
+              amount={BN(
+                demagnify(
                   row.original.amount,
                   ASSETS.find((asset) => asset.denom === row.original.denom) ?? ASSETS[0],
+                ),
               )}
               options={{ maxDecimals: 4 }}
             />
@@ -121,7 +124,7 @@ export const AccountBalancesTable = (props: Props) => {
           return (
             <FormattedNumber
               className='text-xs'
-              amount={row.original.apy}
+              amount={BN(row.original.apy)}
               options={{ maxDecimals: 2, minDecimals: 2, suffix: '%' }}
             />
           )

src/components/Account/AccountComposition.tsx

@@ -90,7 +90,7 @@ function Item(props: ItemProps) {
       <div className='flex flex-grow items-center justify-end gap-2'>
         {props.isPercentage ? (
           <FormattedNumber
-            amount={props.current.toString()}
+            amount={props.current}
             options={{ suffix: '%', minDecimals: 2, maxDecimals: 2 }}
             className='text-sm'
           />
@@ -107,7 +107,7 @@ function Item(props: ItemProps) {
             </span>
             {props.isPercentage ? (
               <FormattedNumber
-                amount={props.change.toString()}
+                amount={props.change}
                 options={{ suffix: '%', minDecimals: 2, maxDecimals: 2 }}
                 className={classNames('text-sm', increase ? 'text-profit' : 'text-loss')}
               />

src/components/Account/RiskChart.tsx

@@ -13,17 +13,18 @@ import { FormattedNumber } from 'components/FormattedNumber'
 import Text from 'components/Text'
 import useStore from 'store'
 import { formatValue } from 'utils/formatters'
+import { BN } from 'utils/helpers'
 
 export const RiskChart = ({ data }: RiskChartProps) => {
   const enableAnimations = useStore((s) => s.enableAnimations)
   const accountStats = null
-  const currentRisk = 0
+  const currentRisk = BN(0)
 
   return (
     <div className='flex w-full flex-wrap overflow-hidden py-2'>
       <FormattedNumber
         className='px-3 pb-2 text-lg'
-        amount={currentRisk * 100}
+        amount={currentRisk.times(100)}
         options={{
           maxDecimals: 0,
           minDecimals: 0,

src/components/AccountDebtTable.tsx

@@ -10,7 +10,7 @@ export async function AccountDebtTable(props: Props) {
   return debtData.map((debt) => {
     return (
       <p key={debt.denom}>
-        {debt.denom} {debt.amount}
+        {debt.denom} {debt.amount.toString()}
       </p>
     )
   })

src/components/AmountAndValue.tsx

@@ -1,10 +1,11 @@
 import { FormattedNumber } from 'components/FormattedNumber'
 import TitleAndSubCell from 'components/TitleAndSubCell'
 import DisplayCurrency from 'components/DisplayCurrency'
+import { BNCoin } from 'types/classes/BNCoin'
 
 interface Props {
   asset: Asset
-  amount: string
+  amount: BigNumber
 }
 
 export default function AmountAndValue(props: Props) {
@@ -16,7 +17,11 @@ export default function AmountAndValue(props: Props) {
           options={{ decimals: props.asset.decimals, abbreviated: true }}
         />
       }
-      sub={<DisplayCurrency coin={{ amount: props.amount, denom: props.asset.denom }} />}
+      sub={
+        <DisplayCurrency
+          coin={new BNCoin({ amount: props.amount.toString(), denom: props.asset.denom })}
+        />
+      }
       className='justify-end'
     />
   )

src/components/Borrow/BorrowTable.tsx

@@ -7,7 +7,6 @@ import {
   useReactTable,
 } from '@tanstack/react-table'
 import classNames from 'classnames'
-import Image from 'next/image'
 import React from 'react'
 
 import AmountAndValue from 'components/AmountAndValue'

src/components/BorrowCapacity.tsx

@@ -5,6 +5,7 @@ import { FormattedNumber } from 'components/FormattedNumber'
 import Text from 'components/Text'
 import { Tooltip } from 'components/Tooltip'
 import useStore from 'store'
+import { BN } from 'utils/helpers'
 
 interface Props {
   balance: number
@@ -68,7 +69,7 @@ export const BorrowCapacity = ({
                 limitPercentOfMax ? 'opacity-50' : 'opacity-0',
               )}
             >
-              <FormattedNumber animate amount={limit} />
+              <FormattedNumber animate amount={BN(limit)} />
             </div>
           )}
         </div>
@@ -126,7 +127,7 @@ export const BorrowCapacity = ({
                             maxDecimals: decimals,
                             suffix: '%',
                           }}
-                          amount={percentOfMaxRound}
+                          amount={BN(percentOfMaxRound)}
                         />
                       )}
                     </span>
@@ -138,9 +139,9 @@ export const BorrowCapacity = ({
         </Tooltip>
         {!hideValues && (
           <div className='mt-2 flex opacity-50 text-3xs-caps'>
-            <FormattedNumber animate amount={balance} className='mr-1' />
+            <FormattedNumber animate amount={BN(balance)} className='mr-1' />
             <span className='mr-1'>of</span>
-            <FormattedNumber animate amount={max} />
+            <FormattedNumber animate amount={BN(max)} />
           </div>
         )}
       </div>

src/components/DisplayCurrency.tsx

@@ -1,9 +1,10 @@
 import { FormattedNumber } from 'components/FormattedNumber'
 import useStore from 'store'
+import { BNCoin } from 'types/classes/BNCoin'
 import { convertToDisplayAmount } from 'utils/formatters'
 
 interface Props {
-  coin: Coin
+  coin: BNCoin | Coin
   className?: string
   isApproximation?: boolean
 }

src/components/Earn/Lend/LendingMarketsTable.tsx

@@ -64,7 +64,7 @@ function LendingMarketsTable(props: Props) {
               accessorKey: 'accountDepositValue',
               header: 'Deposited',
               cell: ({ row }) => {
-                const accountDepositValue = (row.original.accountLentValue as BigNumber).toNumber()
+                const accountDepositValue = row.original.accountLentValue as BigNumber
 
                 return (
                   <FormattedNumber

src/components/FormattedNumber.tsx

@@ -4,9 +4,10 @@ import { animated, useSpring } from 'react-spring'
 
 import useStore from 'store'
 import { FormatOptions, formatValue } from 'utils/formatters'
+import { BN } from 'utils/helpers'
 
 interface Props {
-  amount: number | string
+  amount: BigNumber
   options?: FormatOptions
   className?: string
   animate?: boolean
@@ -14,23 +15,23 @@ interface Props {
 
 export const FormattedNumber = React.memo((props: Props) => {
   const enableAnimations = useStore((s) => s.enableAnimations)
-  const prevAmountRef = useRef<number>(0)
+  const prevAmountRef = useRef<BigNumber>(BN(0))
 
   useEffect(() => {
-    if (prevAmountRef.current !== Number(props.amount)) prevAmountRef.current = Number(props.amount)
+    if (!prevAmountRef.current.eq(props.amount)) prevAmountRef.current = props.amount
   }, [props.amount])
 
   const springAmount = useSpring({
-    number: Number(props.amount),
-    from: { number: prevAmountRef.current },
+    number: props.amount.toNumber(),
+    from: { number: prevAmountRef.current.toNumber() },
     config: { duration: 1000 },
   })
 
-  return (prevAmountRef.current === props.amount && props.amount === 0) ||
+  return (prevAmountRef.current.eq(props.amount) && props.amount.isZero()) ||
     !props.animate ||
     !enableAnimations ? (
     <span className={classNames('number', props.className)}>
-      {formatValue(props.amount, {
+      {formatValue(props.amount.toString(), {
         minDecimals: props.options?.minDecimals,
         maxDecimals: props.options?.maxDecimals,
         thousandSeparator: props.options?.thousandSeparator,

src/components/Gauge.tsx

@@ -4,6 +4,7 @@ import { ReactElement, ReactNode } from 'react'
 import { Tooltip } from 'components/Tooltip'
 import useStore from 'store'
 import { FormattedNumber } from 'components/FormattedNumber'
+import { BN } from 'utils/helpers'
 
 interface Props {
   tooltip: string | ReactNode
@@ -87,7 +88,7 @@ export const Gauge = ({
         )}
         <FormattedNumber
           className={classNames(labelClassName, 'text-2xs')}
-          amount={Math.round(percentage)}
+          amount={BN(Math.round(percentage))}
           options={{ maxDecimals: 0, minDecimals: 0 }}
           animate
         />

src/components/LabelValuePair.tsx

@@ -2,6 +2,7 @@ import classNames from 'classnames'
 
 import { FormattedNumber } from 'components/FormattedNumber'
 import Text from 'components/Text'
+import { BN } from 'utils/helpers'
 
 interface ValueData extends FormattedNumberProps {
   format?: 'number' | 'string'
@@ -19,7 +20,11 @@ export const LabelValuePair = ({ label, value, className }: Props) => (
       {label}
     </Text>
     <Text size='xs' className='text-white/60'>
-      {value.format === 'number' ? <FormattedNumber animate {...value} /> : value.amount || ''}
+      {value.format === 'number' ? (
+        <FormattedNumber animate {...value} amount={BN(value.amount)} />
+      ) : (
+        value.amount || ''
+      )}
     </Text>
   </div>
 )

src/components/Modals/AddVaultAssets/AddVaultAssetTable.tsx

@@ -6,27 +6,28 @@ import {
   SortingState,
   useReactTable,
 } from '@tanstack/react-table'
-import { useEffect, useState } from 'react'
+import { useEffect, useMemo, useState } from 'react'
 import classNames from 'classnames'
 
 import { SortAsc, SortDesc, SortNone } from 'components/Icons'
 import Text from 'components/Text'
-import useStore from 'store'
 import useAddVaultAssetTableColumns from 'components/Modals/AddVaultAssets/useAddVaultAssetTableColumns'
 
 interface Props {
   assets: BorrowAsset[]
+  selectedDenoms: string[]
   onChangeSelected: (denoms: string[]) => void
 }
 
 export default function AddVaultAssetTable(props: Props) {
-  const selectedDenoms = useStore((s) => s.addVaultBorrowingsModal?.selectedDenoms) || []
-  const defaultSelected = props.assets.reduce((acc, asset, index) => {
-    if (selectedDenoms.includes(asset.denom)) {
+  const defaultSelected = useMemo(() => {
+    return props.assets.reduce((acc, asset, index) => {
+      if (props.selectedDenoms?.includes(asset.denom)) {
         acc[index] = true
       }
       return acc
     }, {} as { [key: number]: boolean })
+  }, [props.selectedDenoms, props.assets])
 
   const [sorting, setSorting] = useState<SortingState>([{ id: 'symbol', desc: false }])
   const [selected, setSelected] = useState<RowSelectionState>(defaultSelected)
@@ -46,11 +47,16 @@ export default function AddVaultAssetTable(props: Props) {
   })
 
   useEffect(() => {
-    const selectedDenoms = props.assets
+    const newSelectedDenoms = props.assets
       .filter((_, index) => selected[index])
       .map((asset) => asset.denom)
 
-    props.onChangeSelected(selectedDenoms)
+    if (
+      props.selectedDenoms.length === newSelectedDenoms.length &&
+      newSelectedDenoms.every((denom) => props.selectedDenoms.includes(denom))
+    )
+      return
+    props.onChangeSelected(newSelectedDenoms)
   }, [selected, props])
 
   return (

src/components/Modals/AddVaultAssets/AddVaultBorrowAssetsModalContent.tsx

@@ -4,6 +4,7 @@ import SearchBar from 'components/SearchBar'
 import Text from 'components/Text'
 import useMarketBorrowings from 'hooks/useMarketBorrowings'
 import AddVaultAssetTable from 'components/Modals/AddVaultAssets/AddVaultAssetTable'
+import useStore from 'store'
 
 interface Props {
   vault: Vault
@@ -14,8 +15,6 @@ interface Props {
 export default function AddVaultAssetsModalContent(props: Props) {
   const [searchString, setSearchString] = useState<string>('')
   const { data: borrowAssets } = useMarketBorrowings()
-  const [selectedPoolDenoms, setSelectedPoolDenoms] = useState<string[]>([])
-  const [selectedOtherDenoms, setSelectedOtherDenoms] = useState<string[]>([])
 
   const filteredBorrowAssets: BorrowAsset[] = useMemo(() => {
     return borrowAssets.filter(
@@ -49,6 +48,15 @@ export default function AddVaultAssetsModalContent(props: Props) {
     [filteredBorrowAssets, props.vault.denoms.primary, props.vault.denoms.secondary],
   )
 
+  const selectedDenoms = useStore((s) => s.addVaultBorrowingsModal?.selectedDenoms)
+  const [selectedPoolDenoms, setSelectedPoolDenoms] = useState<string[]>(
+    selectedDenoms?.filter((denom) => poolAssets.map((asset) => asset.denom).includes(denom)) || [],
+  )
+  const [selectedOtherDenoms, setSelectedOtherDenoms] = useState<string[]>(
+    selectedDenoms?.filter((denom) => stableAssets.map((asset) => asset.denom).includes(denom)) ||
+      [],
+  )
+
   const onChangePoolDenoms = useCallback(
     (denoms: string[]) => {
       setSelectedPoolDenoms(denoms)
@@ -81,7 +89,11 @@ export default function AddVaultAssetsModalContent(props: Props) {
             Leverage will be set at 50% for both assets by default
           </Text>
         </div>
-        <AddVaultAssetTable assets={poolAssets} onChangeSelected={onChangePoolDenoms} />
+        <AddVaultAssetTable
+          assets={poolAssets}
+          onChangeSelected={onChangePoolDenoms}
+          selectedDenoms={selectedPoolDenoms}
+        />
         <div className='p-4'>
           <Text>Assets not in the liquidity pool</Text>
           <Text size='xs' className='mt-1 text-white/60'>
@@ -89,7 +101,11 @@ export default function AddVaultAssetsModalContent(props: Props) {
             these assets below.
           </Text>
         </div>
-        <AddVaultAssetTable assets={stableAssets} onChangeSelected={onChangeOtherDenoms} />
+        <AddVaultAssetTable
+          assets={stableAssets}
+          onChangeSelected={onChangeOtherDenoms}
+          selectedDenoms={selectedOtherDenoms}
+        />
       </div>
     </>
   )

src/components/Modals/Borrow/BorrowModal.tsx

@@ -83,12 +83,12 @@ export default function BorrowModal() {
     useStore.setState({ borrowModal: null })
   }
 
-  const liquidityAmountString = formatValue(modal?.marketData?.liquidity?.amount || 0, {
+  const liquidityAmountString = formatValue(modal?.marketData?.liquidity?.amount.toString() || 0, {
     abbreviated: true,
     decimals: 6,
   })
 
-  const liquidityValueString = formatValue(modal?.marketData?.liquidity?.value || 0, {
+  const liquidityValueString = formatValue(modal?.marketData?.liquidity?.value.toString() || 0, {
     abbreviated: true,
     decimals: 6,
   })

src/components/Modals/LendAndReclaim/DetailsHeader.tsx

@@ -23,7 +23,7 @@ function DetailsHeader({ data }: Props) {
                 <FormattedNumber amount={assetApy} options={{ suffix: '%' }} />
                 <FormattedNumber
                   className='ml-2 text-xs'
-                  amount={assetApy / 365}
+                  amount={assetApy.div(365)}
                   options={{ suffix: '%/day' }}
                 />
               </>

src/components/Modals/LendAndReclaim/index.tsx

@@ -7,7 +7,7 @@ import useCurrentAccount from 'hooks/useCurrentAccount'
 import useLendAndReclaimModal from 'hooks/useLendAndReclaimModal'
 import DetailsHeader from 'components/Modals/LendAndReclaim/DetailsHeader'
 import AssetAmountSelectActionModal from 'components/Modals/AssetAmountSelectActionModal'
-import AccountBalanceSettableCoin from 'types/classes/AccountBalanceSettableCoin'
+import { BNCoin } from 'types/classes/BNCoin'
 
 function LendAndReclaimModalController() {
   const currentAccount = useCurrentAccount()
@@ -48,15 +48,12 @@ function LendAndReclaimModal({ currentAccount, config }: Props) {
     async (value: BigNumber, isMax: boolean) => {
       setIsConfirming(true)
 
-      const coin = new AccountBalanceSettableCoin(
-        asset.denom,
-        value.integerValue().toString(),
-        isMax,
-      )
+      const coin = BNCoin.fromDenomAndBigNumber(asset.denom, value)
       const options = {
         fee: hardcodedFee,
         accountId: currentAccount.id,
         coin,
+        isMax,
       }
       await (isLendAction ? lend : reclaim)(options)
 

src/components/Modals/Vault/VaultBorrowings.tsx

@@ -18,6 +18,7 @@ import useStore from 'store'
 import DisplayCurrency from 'components/DisplayCurrency'
 import usePrice from 'hooks/usePrice'
 import { BNCoin } from 'types/classes/BNCoin'
+import useDepositVault from 'hooks/broadcast/useDepositVault'
 
 export interface VaultBorrowingsProps {
   account: Account
@@ -26,6 +27,8 @@ export interface VaultBorrowingsProps {
   secondaryAmount: BigNumber
   primaryAsset: Asset
   secondaryAsset: Asset
+  deposits: BNCoin[]
+  vault: Vault
   onChangeBorrowings: (borrowings: BNCoin[]) => void
 }
 
@@ -36,6 +39,13 @@ export default function VaultBorrowings(props: VaultBorrowingsProps) {
   const secondaryPrice = usePrice(props.secondaryAsset.denom)
   const baseCurrency = useStore((s) => s.baseCurrency)
   const vaultModal = useStore((s) => s.vaultModal)
+  const depositIntoVault = useStore((s) => s.depositIntoVault)
+
+  const { actions: depositActions, fee: depositFee } = useDepositVault({
+    vault: props.vault,
+    deposits: props.deposits.filter((borrowing) => borrowing.amount.gt(0)),
+    borrowings: props.borrowings.filter((borrowing) => borrowing.amount.gt(0)),
+  })
 
   const primaryValue = useMemo(
     () => props.primaryAmount.times(primaryPrice),
@@ -139,6 +149,10 @@ export default function VaultBorrowings(props: VaultBorrowingsProps) {
     })
   }
 
+  function onConfirm() {
+    depositIntoVault({ fee: depositFee, accountId: props.account.id, actions: depositActions })
+  }
+
   return (
     <div className='flex flex-grow flex-col gap-4 p-4'>
       {props.borrowings.map((coin) => {
@@ -191,7 +205,7 @@ export default function VaultBorrowings(props: VaultBorrowingsProps) {
           )
         })}
       </div>
-      <Button color='primary' text='Deposit' rightIcon={<ArrowRight />} />
+      <Button onClick={onConfirm} color='primary' text='Deposit' rightIcon={<ArrowRight />} />
     </div>
   )
 }

src/components/Modals/Vault/VaultDeposits.tsx

@@ -77,7 +77,7 @@ export default function VaultDeposit(props: Props) {
     () =>
       props.isCustomRatio
         ? availableSecondaryAmount
-        : maxAssetValueNonCustom.dividedBy(secondaryPrice),
+        : maxAssetValueNonCustom.dividedBy(secondaryPrice).decimalPlaces(0),
     [props.isCustomRatio, availableSecondaryAmount, secondaryPrice, maxAssetValueNonCustom],
   )
 

src/components/Modals/Vault/VaultModalContent.tsx

@@ -1,5 +1,5 @@
 import BigNumber from 'bignumber.js'
-import { useCallback, useState } from 'react'
+import { useCallback, useMemo, useState } from 'react'
 
 import Accordion from 'components/Accordion'
 import AccountSummary from 'components/Account/AccountSummary'
@@ -10,6 +10,7 @@ import VaultBorrowingsSubTitle from 'components/Modals/Vault/VaultBorrowingsSubT
 import VaultDeposit from 'components/Modals/Vault/VaultDeposits'
 import VaultBorrowings from 'components/Modals/Vault/VaultBorrowings'
 import VaultDepositSubTitle from 'components/Modals/Vault/VaultDepositsSubTitle'
+import { BNCoin } from 'types/classes/BNCoin'
 
 interface Props {
   vault: Vault
@@ -28,12 +29,24 @@ export default function VaultModalContent(props: Props) {
   const [secondaryAmount, setSecondaryAmount] = useState<BigNumber>(BN(0))
   const [isCustomRatio, setIsCustomRatio] = useState(false)
 
+  const deposits: BNCoin[] = useMemo(() => {
+    const primaryBNCoin = new BNCoin({
+      denom: props.vault.denoms.primary,
+      amount: primaryAmount.toString(),
+    })
+    const secondaryBNCoin = new BNCoin({
+      denom: props.vault.denoms.secondary,
+      amount: secondaryAmount.toString(),
+    })
+    return [primaryBNCoin, secondaryBNCoin]
+  }, [primaryAmount, secondaryAmount, props.vault.denoms.primary, props.vault.denoms.secondary])
+
   const onChangePrimaryAmount = useCallback(
-    (amount: BigNumber) => setPrimaryAmount(amount),
+    (amount: BigNumber) => setPrimaryAmount(amount.decimalPlaces(0)),
     [setPrimaryAmount],
   )
   const onChangeSecondaryAmount = useCallback(
-    (amount: BigNumber) => setSecondaryAmount(amount),
+    (amount: BigNumber) => setSecondaryAmount(amount.decimalPlaces(0)),
     [setSecondaryAmount],
   )
 
@@ -84,6 +97,8 @@ export default function VaultModalContent(props: Props) {
                 primaryAsset={props.primaryAsset}
                 secondaryAsset={props.secondaryAsset}
                 onChangeBorrowings={onChangeBorrowings}
+                deposits={deposits}
+                vault={props.vault}
               />
             ),
             title: 'Borrow',

src/components/TokenInput.tsx

@@ -14,6 +14,7 @@ import Button from 'components/Button'
 import { ExclamationMarkTriangle, TrashBin } from 'components/Icons'
 import { Tooltip } from 'components/Tooltip'
 import AssetImage from 'components/AssetImage'
+import { BNCoin } from 'types/classes/BNCoin'
 
 interface Props {
   amount: BigNumber
@@ -108,7 +109,7 @@ export default function TokenInput(props: Props) {
               </Text>
               <FormattedNumber
                 className='mr-1 text-xs text-white/50'
-                amount={props.max.toNumber()}
+                amount={props.max}
                 options={{ decimals: props.asset.decimals }}
               />
               <Button
@@ -127,8 +128,8 @@ export default function TokenInput(props: Props) {
         <div className='flex'>
           <DisplayCurrency
             isApproximation
-            className='inline pl-0.5 text-xs text-white/50'
-            coin={{ denom: props.asset.denom, amount: props.amount.toString() }}
+            className='inline pl-1 text-xs text-white/50'
+            coin={new BNCoin({ denom: props.asset.denom, amount: props.amount.toString() })}
           />
         </div>
       </div>

src/components/Wallet/ConnectedButton.tsx

@@ -21,6 +21,7 @@ import useStore from 'store'
 import { getBaseAsset, getEnabledMarketAssets } from 'utils/assets'
 import { formatValue, truncate } from 'utils/formatters'
 import useWalletBalances from 'hooks/useWalletBalances'
+import { BN } from 'utils/helpers'
 
 export default function ConnectedButton() {
   // ---------------
@@ -38,7 +39,7 @@ export default function ConnectedButton() {
   // LOCAL STATE
   // ---------------
   const [showDetails, setShowDetails] = useToggle()
-  const [walletAmount, setWalletAmount] = useState(0)
+  const [walletAmount, setWalletAmount] = useState(BN(0))
   const [isCopied, setCopied] = useClipboard(address || '', {
     successDuration: 1000 * 5,
   })
@@ -62,9 +63,9 @@ export default function ConnectedButton() {
   useEffect(() => {
     if (!walletBalances || walletBalances.length === 0) return
     setWalletAmount(
-      BigNumber(walletBalances?.find((coin: Coin) => coin.denom === baseAsset.denom)?.amount ?? 0)
-        .div(10 ** baseAsset.decimals)
-        .toNumber(),
+      BigNumber(
+        walletBalances?.find((coin: Coin) => coin.denom === baseAsset.denom)?.amount ?? 0,
+      ).div(10 ** baseAsset.decimals),
     )
 
     const assetDenoms = marketAssets.map((asset) => asset.denom)
@@ -103,7 +104,7 @@ export default function ConnectedButton() {
           {isLoading ? (
             <CircularProgress size={12} />
           ) : (
-            `${formatValue(walletAmount, { suffix: ` ${baseAsset.symbol}` })}`
+            `${formatValue(walletAmount.toString(), { suffix: ` ${baseAsset.symbol}` })}`
           )}
         </div>
       </Button>

src/hooks/broadcast/useDepositVault.ts

@@ -0,0 +1,81 @@
+import debounce from 'debounce-promise'
+import { useMemo, useState } from 'react'
+
+import { hardcodedFee } from 'utils/constants'
+import getMinLpToReceive from 'api/vaults/getMinLpToReceive'
+import usePrices from 'hooks/usePrices'
+import useStore from 'store'
+import { BNCoin } from 'types/classes/BNCoin'
+import { Action } from 'types/generated/mars-credit-manager/MarsCreditManager.types'
+import {
+  getEnterVaultActions,
+  getVaultDepositCoinsAndValue,
+  getVaultSwapActions,
+} from 'utils/vaults'
+import { BN } from 'utils/helpers'
+
+interface Props {
+  vault: Vault
+  deposits: BNCoin[]
+  borrowings: BNCoin[]
+}
+export default function useDepositVault(props: Props): { actions: Action[]; fee: StdFee } {
+  const [minLpToReceive, setMinLpToReceive] = useState<BigNumber>(BN(0))
+  const { data: prices } = usePrices()
+  const slippage = useStore((s) => s.slippage)
+
+  const debouncedGetMinLpToReceive = useMemo(() => debounce(getMinLpToReceive, 500), [])
+
+  const { primaryCoin, secondaryCoin, totalValue } = useMemo(
+    () => getVaultDepositCoinsAndValue(props.vault, props.deposits, props.borrowings, prices),
+    [props.deposits, props.borrowings, props.vault, prices],
+  )
+
+  const borrowActions: Action[] = useMemo(() => {
+    return props.borrowings.map((bnCoin) => ({
+      borrow: bnCoin.toCoin(),
+    }))
+  }, [props.borrowings])
+
+  const swapActions: Action[] = useMemo(
+    () =>
+      getVaultSwapActions(
+        props.vault,
+        props.deposits,
+        props.borrowings,
+        prices,
+        slippage,
+        totalValue,
+      ),
+    [totalValue, prices, props.vault, props.deposits, props.borrowings, slippage],
+  )
+
+  useMemo(async () => {
+    if (primaryCoin.amount.isZero() || secondaryCoin.amount.isZero()) return
+
+    const lpAmount = await debouncedGetMinLpToReceive(
+      [secondaryCoin.toCoin(), primaryCoin.toCoin()],
+      props.vault.denoms.lp,
+    )
+
+    if (!lpAmount || lpAmount === minLpToReceive) return
+    setMinLpToReceive(lpAmount)
+  }, [
+    primaryCoin,
+    secondaryCoin,
+    props.vault.denoms.lp,
+    debouncedGetMinLpToReceive,
+    minLpToReceive,
+  ])
+
+  const enterVaultActions: Action[] = useMemo(() => {
+    return getEnterVaultActions(props.vault, primaryCoin, secondaryCoin, minLpToReceive)
+  }, [props.vault, primaryCoin, secondaryCoin, minLpToReceive])
+
+  const actions = useMemo(
+    () => [...borrowActions, ...swapActions, ...enterVaultActions],
+    [borrowActions, swapActions, enterVaultActions],
+  )
+
+  return { actions, fee: hardcodedFee }
+}

src/hooks/useMinLpToReceive.tsx

@@ -0,0 +1,14 @@
+import useSWR from 'swr'
+
+import getMinLpToReceive from 'api/vaults/getMinLpToReceive'
+import { BN } from 'utils/helpers'
+
+export default function useMinLpToReceive(coins: Coin[], lpDenom: string) {
+  return useSWR(
+    `minLpToReceive-${JSON.stringify(coins)}`,
+    () => getMinLpToReceive(coins, lpDenom),
+    {
+      fallbackData: BN(0),
+    },
+  )
+}

src/store/slices/broadcast.ts

@@ -6,7 +6,8 @@ import { ENV } from 'constants/env'
 import { Store } from 'store'
 import { getSingleValueFromBroadcastResult } from 'utils/broadcast'
 import { formatAmountWithSymbol } from 'utils/formatters'
-import AccountBalanceSettableCoin from 'types/classes/AccountBalanceSettableCoin'
+import { Action } from 'types/generated/mars-credit-manager/MarsCreditManager.types'
+import { BNCoin } from 'types/classes/BNCoin'
 
 export default function createBroadcastSlice(
   set: SetState<Store>,
@@ -127,6 +128,30 @@ export default function createBroadcastSlice(
       handleResponseMessages(response, `Requested unlock for ${options.vault.name}`)
       return !!response.result
     },
+    depositIntoVault: async (options: { fee: StdFee; accountId: string; actions: Action[] }) => {
+      const msg = {
+        update_credit_account: {
+          account_id: options.accountId,
+          actions: options.actions,
+        },
+      }
+      const response = await get().executeMsg({ msg, fee: options.fee })
+      if (response.result) {
+        set({
+          toast: {
+            message: `Deposited into vault`,
+          },
+        })
+      } else {
+        set({
+          toast: {
+            message: response.error ?? `Transaction failed: ${response.error}`,
+            isError: true,
+          },
+        })
+      }
+      return !!response.result
+    },
     withdraw: async (options: { fee: StdFee; accountId: string; coin: Coin }) => {
       const msg = {
         update_credit_account: {
@@ -213,13 +238,13 @@ export default function createBroadcastSlice(
       )
       return !!response.result
     },
-    lend: async (options: { fee: StdFee; accountId: string; coin: AccountBalanceSettableCoin }) => {
+    lend: async (options: { fee: StdFee; accountId: string; coin: BNCoin; isMax?: boolean }) => {
       const msg = {
         update_credit_account: {
           account_id: options.accountId,
           actions: [
             {
-              lend: options.coin,
+              lend: options.coin.toActionCoin(options.isMax),
             },
           ],
         },
@@ -229,21 +254,17 @@ export default function createBroadcastSlice(
 
       handleResponseMessages(
         response,
-        `Successfully deposited ${formatAmountWithSymbol(options.coin)}`,
+        `Successfully deposited ${formatAmountWithSymbol(options.coin.toCoin())}`,
       )
       return !!response.result
     },
-    reclaim: async (options: {
-      fee: StdFee
-      accountId: string
-      coin: AccountBalanceSettableCoin
-    }) => {
+    reclaim: async (options: { fee: StdFee; accountId: string; coin: BNCoin; isMax?: boolean }) => {
       const msg = {
         update_credit_account: {
           account_id: options.accountId,
           actions: [
             {
-              reclaim: options.coin.toActionCoin(),
+              reclaim: options.coin.toActionCoin(options.isMax),
             },
           ],
         },
@@ -253,7 +274,7 @@ export default function createBroadcastSlice(
 
       handleResponseMessages(
         response,
-        `Successfully withdrew ${formatAmountWithSymbol(options.coin)}`,
+        `Successfully withdrew ${formatAmountWithSymbol(options.coin.toCoin())}`,
       )
       return !!response.result
     },

src/store/slices/common.ts

@@ -9,6 +9,7 @@ export default function createCommonSlice(set: SetState<CommonSlice>, get: GetSt
     enableAnimations: true,
     isOpen: true,
     selectedAccount: null,
+    slippage: 0.02,
     status: WalletConnectionStatus.Unconnected,
   }
 }

src/types/classes/AccountBalanceSettableCoin.ts

@@ -1,22 +0,0 @@
-import { ActionCoin } from 'types/generated'
-
-class AccountBalanceSettableCoin implements Coin {
-  public denom: string
-  public amount: string
-  public setAccountBalance: boolean
-
-  constructor(denom: string, amount: string, setAccountBalance: boolean) {
-    this.denom = denom
-    this.amount = amount
-    this.setAccountBalance = setAccountBalance
-  }
-
-  toActionCoin(): ActionCoin {
-    return {
-      denom: this.denom,
-      amount: this.setAccountBalance ? 'account_balance' : { exact: this.amount },
-    }
-  }
-}
-
-export default AccountBalanceSettableCoin

src/types/classes/BNCoin.ts

@@ -1,3 +1,4 @@
+import { ActionCoin } from 'types/generated/mars-credit-manager/MarsCreditManager.types'
 import { BN } from 'utils/helpers'
 
 export class BNCoin {
@@ -9,10 +10,25 @@ export class BNCoin {
     this.amount = BN(coin.amount)
   }
 
+  static fromDenomAndBigNumber(denom: string, amount: BigNumber) {
+    return new BNCoin({ denom, amount: amount.toString() })
+  }
+
   toCoin(): Coin {
     return {
       denom: this.denom,
       amount: this.amount.toString(),
     }
   }
+
+  toActionCoin(max?: boolean): ActionCoin {
+    return {
+      denom: this.denom,
+      amount: max
+        ? 'account_balance'
+        : {
+            exact: this.amount.toString(),
+          },
+    }
+  }
 }

src/types/generated/mars-incentives/MarsIncentives.client.ts

@@ -5,19 +5,20 @@
  * and run the @cosmwasm/ts-codegen generate command to regenerate this file.
  */
 
-import { CosmWasmClient, SigningCosmWasmClient, ExecuteResult } from '@cosmjs/cosmwasm-stargate'
+import { CosmWasmClient, ExecuteResult, SigningCosmWasmClient } from '@cosmjs/cosmwasm-stargate'
 import { Coin, StdFee } from '@cosmjs/amino'
+
 import {
-  InstantiateMsg,
-  ExecuteMsg,
-  Uint128,
   Addr,
+  ArrayOfAssetIncentiveResponse,
+  AssetIncentiveResponse,
+  ConfigResponse,
+  Decimal,
+  ExecuteMsg,
+  InstantiateMsg,
   OwnerUpdate,
   QueryMsg,
-  Decimal,
-  AssetIncentiveResponse,
-  ArrayOfAssetIncentiveResponse,
-  ConfigResponse,
+  Uint128,
 } from './MarsIncentives.types'
 export interface MarsIncentivesReadOnlyInterface {
   contractAddress: string

src/types/generated/mars-incentives/MarsIncentives.react-query.ts

@@ -5,22 +5,23 @@
  * and run the @cosmwasm/ts-codegen generate command to regenerate this file.
  */
 
-import { UseQueryOptions, useQuery, useMutation, UseMutationOptions } from '@tanstack/react-query'
+import { useMutation, UseMutationOptions, useQuery, UseQueryOptions } from '@tanstack/react-query'
 import { ExecuteResult } from '@cosmjs/cosmwasm-stargate'
-import { StdFee, Coin } from '@cosmjs/amino'
+import { Coin, StdFee } from '@cosmjs/amino'
+
 import {
-  InstantiateMsg,
-  ExecuteMsg,
-  Uint128,
   Addr,
+  ArrayOfAssetIncentiveResponse,
+  AssetIncentiveResponse,
+  ConfigResponse,
+  Decimal,
+  ExecuteMsg,
+  InstantiateMsg,
   OwnerUpdate,
   QueryMsg,
-  Decimal,
-  AssetIncentiveResponse,
-  ArrayOfAssetIncentiveResponse,
-  ConfigResponse,
+  Uint128,
 } from './MarsIncentives.types'
-import { MarsIncentivesQueryClient, MarsIncentivesClient } from './MarsIncentives.client'
+import { MarsIncentivesClient, MarsIncentivesQueryClient } from './MarsIncentives.client'
 export const marsIncentivesQueryKeys = {
   contract: [
     {

src/types/interfaces/account.d.ts

@@ -1,15 +1,15 @@
 interface Account extends AccountChange {
   id: string
-  deposits: Coin[]
-  debts: Coin[]
-  lends: Coin[]
+  deposits: BNCoin[]
+  debts: BNCoin[]
+  lends: BNCoin[]
   vaults: import('types/generated/mars-mock-credit-manager/MarsMockCreditManager.types').ArrayOfVaultInfoResponse
 }
 
 interface AccountChange {
-  deposits?: Coin[]
-  debts?: Coin[]
-  lends?: Coin[]
+  deposits?: BNCoin[]
+  debts?: BNCoin[]
+  lends?: BNCoin[]
   vaults?: import('types/generated/mars-mock-credit-manager/MarsMockCreditManager.types').ArrayOfVaultInfoResponse
 }
 

src/types/interfaces/asset.d.ts

@@ -23,13 +23,13 @@ interface OtherAsset extends Omit<Asset, 'symbol'> {
 interface BorrowAsset extends Asset {
   borrowRate: number | null
   liquidity: {
-    amount: string
-    value: string
+    amount: BigNumber
+    value: BigNumber
   } | null
 }
 
 interface BorrowAssetActive extends BorrowAsset {
-  debt: string
+  debt: BigNumber
 }
 
 interface BigNumberCoin {

src/types/interfaces/store/broadcast.d.ts

@@ -1,5 +1,3 @@
-type AccountBalanceSettableCoin = import('types/classes/AccountBalanceSettableCoin')
-
 interface BroadcastResult {
   result?: import('@marsprotocol/wallet-connector').TxBroadcastResult
   error?: string
@@ -17,16 +15,23 @@ interface BroadcastSlice {
   deleteAccount: (options: { fee: StdFee; accountId: string }) => Promise<boolean>
   deposit: (options: { fee: StdFee; accountId: string; coin: Coin }) => Promise<boolean>
   unlock: (options: { fee: StdFee; vault: Vault; amount: string }) => Promise<boolean>
+  depositIntoVault: (options: {
+    fee: StdFee
+    accountId: string
+    actions: Action[]
+  }) => Promise<boolean>
   withdraw: (options: { fee: StdFee; accountId: string; coin: Coin }) => Promise<boolean>
   lend: (options: {
     fee: StdFee
     accountId: string
-    coin: AccountBalanceSettableCoin
+    coin: BNCoin
+    isMax?: boolean
   }) => Promise<boolean>
   reclaim: (options: {
     fee: StdFee
     accountId: string
-    coin: AccountBalanceSettableCoin
+    coin: BNCoin
+    isMax?: boolean
   }) => Promise<boolean>
   repay: (options: {
     fee: StdFee

src/types/interfaces/store/common.d.ts

@@ -6,5 +6,6 @@ interface CommonSlice {
   enableAnimations: boolean
   isOpen: boolean
   selectedAccount: string | null
+  slippage: number
   status: import('@marsprotocol/wallet-connector').WalletConnectionStatus
 }

src/utils/accounts.ts

@@ -31,7 +31,7 @@ export const calculateAccountDebt = (
   if (!account.debts) return BN(0)
   return account.debts.reduce((acc, debt) => {
     const price = prices.find((price) => price.denom === debt.denom)?.amount ?? 0
-    const debtValue = BN(debt.amount).multipliedBy(price)
+    const debtValue = debt.amount.multipliedBy(price)
     return acc.plus(debtValue)
   }, BN(0))
 }

src/utils/formatters.ts

@@ -1,5 +1,6 @@
 import BigNumber from 'bignumber.js'
 
+import { BNCoin } from 'types/classes/BNCoin'
 import { getEnabledMarketAssets } from 'utils/assets'
 import { BN } from 'utils/helpers'
 
@@ -155,18 +156,21 @@ export function demagnify(amount: number | string | BigNumber, asset: Asset) {
   return value.isZero() ? 0 : value.shiftedBy(-1 * asset.decimals).toNumber()
 }
 
-export function convertToDisplayAmount(coin: Coin, displayCurrency: Asset, prices: Coin[]) {
+export function convertToDisplayAmount(
+  coin: BNCoin | Coin,
+  displayCurrency: Asset,
+  prices: Coin[],
+) {
   const price = prices.find((price) => price.denom === coin.denom)
   const asset = getEnabledMarketAssets().find((asset) => asset.denom === coin.denom)
   const displayPrice = prices.find((price) => price.denom === displayCurrency.denom)
 
-  if (!price || !asset || !displayPrice) return '0'
+  if (!price || !asset || !displayPrice) return BN(0)
 
   return BN(coin.amount)
     .shiftedBy(-1 * asset.decimals)
     .times(price.amount)
     .div(displayPrice.amount)
-    .toNumber()
 }
 
 export function convertLiquidityRateToAPR(rate: number) {

src/utils/tokens.ts

@@ -1,5 +1,6 @@
 import BigNumber from 'bignumber.js'
 
+import { BNCoin } from 'types/classes/BNCoin'
 import { getBaseAsset } from 'utils/assets'
 import { BN } from 'utils/helpers'
 
@@ -15,7 +16,12 @@ export const getTokenIcon = (denom: string, marketAssets: Asset[]) =>
 export const getTokenInfo = (denom: string, marketAssets: Asset[]) =>
   marketAssets.find((asset) => asset.denom.toLowerCase() === denom.toLowerCase()) || getBaseAsset()
 
-export function getTokenValue(coin: Coin, prices: Coin[]): BigNumber {
+export function getTokenValue(coin: BNCoin, prices: Coin[]): BigNumber {
   const price = prices.find((price) => price.denom === coin.denom)?.amount || '0'
-  return BN(price).times(coin.amount)
+  return BN(price).times(coin.amount).decimalPlaces(0)
+}
+
+export function getTokenPrice(denom: string, prices: Coin[]): BigNumber {
+  const price = prices.find((price) => price.denom === denom)?.amount || '0'
+  return BN(price)
 }

src/utils/vaults.ts

@@ -3,6 +3,8 @@ import { TESTNET_VAULTS_META_DATA, VAULTS_META_DATA } from 'constants/vaults'
 import { BN } from 'utils/helpers'
 import { getNetCollateralValue } from 'utils/accounts'
 import { BNCoin } from 'types/classes/BNCoin'
+import { Action } from 'types/generated/mars-credit-manager/MarsCreditManager.types'
+import { getTokenPrice, getTokenValue } from 'utils/tokens'
 
 export function getVaultMetaData(address: string) {
   const vaults = IS_TESTNET ? TESTNET_VAULTS_META_DATA : VAULTS_META_DATA
@@ -33,3 +35,160 @@ export function calculateMaxBorrowAmounts(
 
   return maxAmounts
 }
+
+export function getVaultDepositCoinsAndValue(
+  vault: Vault,
+  deposits: BNCoin[],
+  borrowings: BNCoin[],
+  prices: Coin[],
+) {
+  const totalValue = [...deposits, ...borrowings].reduce((prev, bnCoin) => {
+    const price = prices.find((coin) => coin.denom === bnCoin.denom)?.amount
+    if (!price) return prev
+
+    return prev.plus(bnCoin.amount.times(price))
+  }, BN(0))
+
+  const primaryDepositAmount = getTokenPrice(vault.denoms.primary, prices)
+    .times(totalValue)
+    .div(2)
+    .integerValue()
+
+  const secondaryDepositAmount = getTokenPrice(vault.denoms.secondary, prices)
+    .times(totalValue)
+    .div(2)
+    .integerValue()
+
+  return {
+    primaryCoin: new BNCoin({
+      denom: vault.denoms.primary,
+      amount: primaryDepositAmount.toString(),
+    }),
+    secondaryCoin: new BNCoin({
+      denom: vault.denoms.secondary,
+      amount: secondaryDepositAmount.toString(),
+    }),
+    totalValue,
+  }
+}
+
+export function getVaultSwapActions(
+  vault: Vault,
+  deposits: BNCoin[],
+  borrowings: BNCoin[],
+  prices: Coin[],
+  slippage: number,
+  totalValue: BigNumber,
+): Action[] {
+  const swapActions: Action[] = []
+  const coins = [...deposits, ...borrowings]
+
+  let primaryLeftoverValue = totalValue.div(2).integerValue()
+  let secondaryLeftoverValue = totalValue.div(2).integerValue()
+
+  const [primaryCoins, secondaryCoins, otherCoins] = coins.reduce(
+    (prev, bnCoin) => {
+      switch (bnCoin.denom) {
+        case vault.denoms.primary:
+          prev[0].push(bnCoin)
+          break
+        case vault.denoms.secondary:
+          prev[1].push(bnCoin)
+          break
+        default:
+          prev[2].push(bnCoin)
+      }
+      return prev
+    },
+    [[], [], []] as [BNCoin[], BNCoin[], BNCoin[]],
+  )
+
+  primaryCoins.forEach((bnCoin) => {
+    let value = getTokenValue(bnCoin, prices)
+    if (value.isLessThanOrEqualTo(primaryLeftoverValue)) {
+      primaryLeftoverValue = primaryLeftoverValue.minus(value)
+    } else {
+      value = value.minus(primaryLeftoverValue)
+      primaryLeftoverValue = primaryLeftoverValue.minus(primaryLeftoverValue)
+      otherCoins.push(new BNCoin({ denom: bnCoin.denom, amount: value.toString() }))
+    }
+  })
+
+  secondaryCoins.forEach((bnCoin) => {
+    let value = getTokenValue(bnCoin, prices)
+    if (value.isLessThanOrEqualTo(secondaryLeftoverValue)) {
+      secondaryLeftoverValue = secondaryLeftoverValue.minus(value)
+    } else {
+      value = value.minus(secondaryLeftoverValue)
+      secondaryLeftoverValue = secondaryLeftoverValue.minus(secondaryLeftoverValue)
+      otherCoins.push(new BNCoin({ denom: bnCoin.denom, amount: value.toString() }))
+    }
+  })
+
+  otherCoins.forEach((bnCoin) => {
+    let value = getTokenValue(bnCoin, prices)
+    let amount = bnCoin.amount
+
+    if (primaryLeftoverValue.isGreaterThan(0)) {
+      const swapValue = value.isLessThan(primaryLeftoverValue) ? value : primaryLeftoverValue
+      const swapAmount = swapValue
+        .dividedBy(prices.find((coin) => coin.denom === bnCoin.denom)?.amount || 1)
+        .integerValue()
+      value = value.minus(swapValue)
+      amount = amount.minus(swapAmount)
+      primaryLeftoverValue = primaryLeftoverValue.minus(swapValue)
+      swapActions.push(getSwapAction(bnCoin.denom, vault.denoms.primary, swapAmount, slippage))
+    }
+
+    if (secondaryLeftoverValue.isGreaterThan(0)) {
+      secondaryLeftoverValue = secondaryLeftoverValue.minus(value)
+      swapActions.push(getSwapAction(bnCoin.denom, vault.denoms.secondary, amount, slippage))
+    }
+  })
+
+  return swapActions
+}
+
+export function getEnterVaultActions(
+  vault: Vault,
+  primaryCoin: BNCoin,
+  secondaryCoin: BNCoin,
+  minLpToReceive: BigNumber,
+): Action[] {
+  return [
+    {
+      provide_liquidity: {
+        // Smart Contact demands that secondary coin is first
+        coins_in: [secondaryCoin.toActionCoin(), primaryCoin.toActionCoin()],
+        lp_token_out: vault.denoms.lp,
+        minimum_receive: minLpToReceive.toString(),
+      },
+    },
+    {
+      enter_vault: {
+        coin: {
+          denom: vault.denoms.lp,
+          amount: 'account_balance',
+        },
+        vault: {
+          address: vault.address,
+        },
+      },
+    },
+  ]
+}
+
+function getSwapAction(denomIn: string, denomOut: string, amount: BigNumber, slippage: number) {
+  return {
+    swap_exact_in: {
+      coin_in: {
+        denom: denomIn,
+        amount: {
+          exact: amount.toString(),
+        },
+      },
+      denom_out: denomOut,
+      slippage: slippage.toString(),
+    },
+  }
+}

yarn.lock

@@ -3408,6 +3408,11 @@
   resolved "https://registry.npmjs.org/@types/d3-timer/-/d3-timer-3.0.0.tgz"
   integrity sha512-HNB/9GHqu7Fo8AQiugyJbv6ZxYz58wef0esl4Mv828w1ZKpAshw/uFWVDUcIB9KKFeFKoxS3cHY07FFgtTRZ1g==
 
+"@types/debounce-promise@^3.1.6":
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/@types/debounce-promise/-/debounce-promise-3.1.6.tgz#873e838574011095ed0debf73eed3538e1261d75"
+  integrity sha512-DowqK95aku+OxMCeG2EQSeXeGeE8OCwLpMsUfIbP7hMF8Otj8eQXnzpwdtIKV+UqQBtkMcF6vbi4Otbh8P/wmg==
+
 "@types/estree@*", "@types/estree@^1.0.0":
   version "1.0.0"
   resolved "https://registry.npmjs.org/@types/estree/-/estree-1.0.0.tgz"
@@ -4795,6 +4800,11 @@ data-urls@^3.0.2:
     whatwg-mimetype "^3.0.0"
     whatwg-url "^11.0.0"
 
+debounce-promise@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/debounce-promise/-/debounce-promise-3.1.2.tgz#320fb8c7d15a344455cd33cee5ab63530b6dc7c5"
+  integrity sha512-rZHcgBkbYavBeD9ej6sP56XfG53d51CD4dnaw989YX/nZ/ZJfgRx/9ePKmTNiUiyQvh4mtrMoS3OAWW+yoYtpg==
+
 debug@4, debug@^4.1.0, debug@^4.1.1, debug@^4.3.2, debug@^4.3.4:
   version "4.3.4"
   resolved "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz"
@@ -7029,7 +7039,7 @@ locate-path@^6.0.0:
 
 lodash.debounce@^4.0.8:
   version "4.0.8"
-  resolved "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz"
+  resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha512-FT1yDzDYEoYWhnSGnpE/4Kj1fLZkDFyqRb7fNt6FdYOSxlUWAtp42Eh6Wb0rGIv/m9Bgo7x4GhQbm5Ys4SG5ow==
 
 lodash.merge@^4.6.2: