Add / update slippage for Vault Messages (#469)

* ✨replaced minLpToReceive with slippage

* ✨Re-lend assets after entering vault

* 🐛Fix vault unlock bug

src/api/vaults/getMinLpToReceive.ts

@@ -1,25 +0,0 @@
-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,
-  slippage: number,
-): Promise<BigNumber> {
-  if (!ENV.ADDRESS_CREDIT_MANAGER) return BN(Infinity)
-
-  const creditManagerQueryClient = await getCreditManagerQueryClient()
-  try {
-    return BN(
-      await creditManagerQueryClient.estimateProvideLiquidity({
-        coinsIn: coins,
-        lpTokenOut: lpDenom,
-      }),
-    )
-      .multipliedBy(1 - slippage)
-      .integerValue()
-  } catch (ex) {
-    throw ex
-  }
-}

src/components/Earn/Farm/VaultExpanded.tsx

@@ -6,6 +6,9 @@ import { useParams } from 'react-router-dom'
 import Button from 'components/Button'
 import { AccountArrowDown, LockLocked, LockUnlocked, Plus } from 'components/Icons'
 import { Tooltip } from 'components/Tooltip'
+import { DEFAULT_SETTINGS } from 'constants/defaultSettings'
+import { SLIPPAGE_KEY } from 'constants/localStore'
+import useLocalStorage from 'hooks/useLocalStorage'
 import useStore from 'store'
 import { VaultStatus } from 'types/enums/vault'
 
@@ -19,6 +22,7 @@ export default function VaultExpanded(props: Props) {
   const { accountId } = useParams()
   const [isConfirming, setIsConfirming] = useState(false)
   const withdrawFromVaults = useStore((s) => s.withdrawFromVaults)
+  const [slippage] = useLocalStorage<number>(SLIPPAGE_KEY, DEFAULT_SETTINGS.slippage)
 
   function depositMoreHandler() {
     useStore.setState({
@@ -42,6 +46,7 @@ export default function VaultExpanded(props: Props) {
     await withdrawFromVaults({
       accountId: accountId,
       vaults,
+      slippage,
     })
   }
 

src/components/Earn/Farm/VaultUnlockBanner.tsx

@@ -4,6 +4,9 @@ import { useParams } from 'react-router-dom'
 import Button from 'components/Button'
 import { ChevronRight } from 'components/Icons'
 import NotificationBanner from 'components/NotificationBanner'
+import { DEFAULT_SETTINGS } from 'constants/defaultSettings'
+import { SLIPPAGE_KEY } from 'constants/localStore'
+import useLocalStorage from 'hooks/useLocalStorage'
 import useStore from 'store'
 
 interface Props {
@@ -14,6 +17,7 @@ export default function VaultUnlockBanner(props: Props) {
   const { accountId } = useParams()
   const [isConfirming, setIsConfirming] = useState(false)
   const withdrawFromVaults = useStore((s) => s.withdrawFromVaults)
+  const [slippage] = useLocalStorage<number>(SLIPPAGE_KEY, DEFAULT_SETTINGS.slippage)
 
   async function handleWithdraw() {
     if (!accountId) return
@@ -26,6 +30,7 @@ export default function VaultUnlockBanner(props: Props) {
       await withdrawFromVaults({
         accountId: accountId,
         vaults: props.vaults,
+        slippage,
       })
       setIsConfirming(false)
     }

src/components/Modals/WithdrawFromVaultsModal.tsx

@@ -7,6 +7,9 @@ import VaultLogo from 'components/Earn/Farm/VaultLogo'
 import { FormattedNumber } from 'components/FormattedNumber'
 import Modal from 'components/Modal'
 import Text from 'components/Text'
+import { DEFAULT_SETTINGS } from 'constants/defaultSettings'
+import { SLIPPAGE_KEY } from 'constants/localStore'
+import useLocalStorage from 'hooks/useLocalStorage'
 import useStore from 'store'
 import { BNCoin } from 'types/classes/BNCoin'
 import { getAssetByDenom } from 'utils/assets'
@@ -18,6 +21,7 @@ export default function WithdrawFromVaultsModal() {
   const showTxLoader = useStore((s) => s.showTxLoader)
   const withdrawFromVaults = useStore((s) => s.withdrawFromVaults)
   const baseCurrency = useStore((s) => s.baseCurrency)
+  const [slippage] = useLocalStorage<number>(SLIPPAGE_KEY, DEFAULT_SETTINGS.slippage)
 
   function onClose() {
     useStore.setState({ withdrawFromVaultsModal: null })
@@ -28,6 +32,7 @@ export default function WithdrawFromVaultsModal() {
     await withdrawFromVaults({
       accountId: accountId,
       vaults: modal,
+      slippage,
     })
     onClose()
   }

src/hooks/broadcast/useDepositVault.ts

@@ -1,14 +1,14 @@
-import debounce from 'debounce-promise'
-import { useMemo, useState } from 'react'
+import { useMemo } from 'react'
 
-import getMinLpToReceive from 'api/vaults/getMinLpToReceive'
 import { DEFAULT_SETTINGS } from 'constants/defaultSettings'
 import { SLIPPAGE_KEY } from 'constants/localStore'
-import { BN_ZERO } from 'constants/math'
+import useAutoLend from 'hooks/useAutoLend'
 import useLocalStorage from 'hooks/useLocalStorage'
 import usePrices from 'hooks/usePrices'
 import { BNCoin } from 'types/classes/BNCoin'
 import { Action } from 'types/generated/mars-credit-manager/MarsCreditManager.types'
+import { getLendEnabledAssets } from 'utils/assets'
+import { getDenomsFromBNCoins } from 'utils/tokens'
 import {
   getEnterVaultActions,
   getVaultDepositCoinsAndValue,
@@ -24,13 +24,11 @@ interface Props {
 
 export default function useDepositVault(props: Props): {
   actions: Action[]
-  minLpToReceive: string
   totalValue: BigNumber
 } {
-  const [minLpToReceive, setMinLpToReceive] = useState<BigNumber>(BN_ZERO)
   const { data: prices } = usePrices()
   const [slippage] = useLocalStorage<number>(SLIPPAGE_KEY, DEFAULT_SETTINGS.slippage)
-
+  const { isAutoLendEnabledForCurrentAccount: isAutoLend } = useAutoLend()
   const borrowings: BNCoin[] = useMemo(
     () => props.borrowings.filter((borrowing) => borrowing.amount.gt(0)),
     [props.borrowings],
@@ -44,8 +42,6 @@ export default function useDepositVault(props: Props): {
     [props.reclaims],
   )
 
-  const debouncedGetMinLpToReceive = useMemo(() => debounce(getMinLpToReceive, 500), [])
-
   const { primaryCoin, secondaryCoin, totalValue } = useMemo(
     () => getVaultDepositCoinsAndValue(props.vault, deposits, borrowings, reclaims, prices),
     [reclaims, deposits, borrowings, props.vault, prices],
@@ -68,41 +64,42 @@ export default function useDepositVault(props: Props): {
     [totalValue, prices, props.vault, deposits, borrowings, slippage],
   )
 
-  useMemo(async () => {
-    if (primaryCoin.amount.isZero() || secondaryCoin.amount.isZero()) return
-
-    const lpAmount = await debouncedGetMinLpToReceive(
-      [secondaryCoin.toCoin(), primaryCoin.toCoin()],
-      props.vault.denoms.lp,
-      slippage,
-    )
-
-    if (!lpAmount || lpAmount.isEqualTo(minLpToReceive)) return
-    setMinLpToReceive(lpAmount)
-  }, [
-    primaryCoin,
-    secondaryCoin,
-    props.vault.denoms.lp,
-    debouncedGetMinLpToReceive,
-    minLpToReceive,
-    slippage,
-  ])
-
   const enterVaultActions: Action[] = useMemo(() => {
-    if (primaryCoin.amount.isZero() || secondaryCoin.amount.isZero() || minLpToReceive.isZero())
-      return []
+    if (primaryCoin.amount.isZero() || secondaryCoin.amount.isZero()) return []
 
-    return getEnterVaultActions(props.vault, primaryCoin, secondaryCoin, minLpToReceive)
-  }, [props.vault, primaryCoin, secondaryCoin, minLpToReceive])
+    return getEnterVaultActions(props.vault, primaryCoin, secondaryCoin, slippage)
+  }, [props.vault, primaryCoin, secondaryCoin, slippage])
 
-  const actions = useMemo(
-    () => [...reclaimActions, ...borrowActions, ...swapActions, ...enterVaultActions],
-    [reclaimActions, borrowActions, swapActions, enterVaultActions],
-  )
+  const lendActions: Action[] = useMemo(() => {
+    if (!isAutoLend) return []
+
+    const denoms = Array.from(
+      new Set(getDenomsFromBNCoins([...props.reclaims, ...props.deposits, ...props.borrowings])),
+    )
+    const denomsForLend = getLendEnabledAssets()
+      .filter((asset) => denoms.includes(asset.denom))
+      .map((asset) => asset.denom)
+
+    return denomsForLend.map((denom) => ({
+      lend: {
+        denom,
+        amount: 'account_balance',
+      },
+    }))
+  }, [isAutoLend, props.borrowings, props.deposits, props.reclaims])
+
+  const actions = useMemo(() => {
+    return [
+      ...reclaimActions,
+      ...borrowActions,
+      ...swapActions,
+      ...enterVaultActions,
+      ...lendActions,
+    ]
+  }, [reclaimActions, borrowActions, swapActions, enterVaultActions, lendActions])
 
   return {
     actions,
-    minLpToReceive: minLpToReceive.toString(),
     totalValue,
   }
-}
+}

src/store/slices/broadcast.ts

@@ -349,16 +349,27 @@ export default function createBroadcastSlice(
       return !!response.result
     },
 
-    withdrawFromVaults: async (options: { accountId: string; vaults: DepositedVault[] }) => {
+    withdrawFromVaults: async (options: {
+      accountId: string
+      vaults: DepositedVault[]
+      slippage: number
+    }) => {
       const actions: CreditManagerAction[] = []
       options.vaults.forEach((vault) => {
-        if (vault.unlockId)
+        if (vault.unlockId) {
           actions.push({
             exit_vault_unlocked: {
               id: vault.unlockId,
               vault: { address: vault.address },
             },
           })
+          actions.push({
+            withdraw_liquidity: {
+              lp_token: { denom: vault.denoms.lp, amount: 'account_balance' },
+              slippage: options.slippage.toString(),
+            },
+          })
+        }
       })
       const msg: CreditManagerExecuteMsg = {
         update_credit_account: {

src/types/generated/mars-credit-manager/MarsCreditManager.client.ts

@@ -10,6 +10,7 @@ import { StdFee } from '@cosmjs/amino'
 import {
   HealthContractBaseForString,
   IncentivesUnchecked,
+  Decimal,
   Uint128,
   OracleBaseForString,
   ParamsBaseForString,
@@ -23,7 +24,6 @@ import {
   ActionAmount,
   LiquidateRequestForVaultBaseForString,
   VaultPositionType,
-  Decimal,
   AccountNftBaseForString,
   OwnerUpdate,
   CallbackMsg,
@@ -57,6 +57,7 @@ import {
   VaultPositionResponseItem,
   ConfigResponse,
   OwnerResponse,
+  RewardsCollector,
   ArrayOfCoin,
   Positions,
   DebtAmount,

src/types/generated/mars-credit-manager/MarsCreditManager.message-composer.ts

@@ -11,6 +11,7 @@ import { toUtf8 } from '@cosmjs/encoding'
 import {
   HealthContractBaseForString,
   IncentivesUnchecked,
+  Decimal,
   Uint128,
   OracleBaseForString,
   ParamsBaseForString,
@@ -24,7 +25,6 @@ import {
   ActionAmount,
   LiquidateRequestForVaultBaseForString,
   VaultPositionType,
-  Decimal,
   AccountNftBaseForString,
   OwnerUpdate,
   CallbackMsg,
@@ -58,6 +58,7 @@ import {
   VaultPositionResponseItem,
   ConfigResponse,
   OwnerResponse,
+  RewardsCollector,
   ArrayOfCoin,
   Positions,
   DebtAmount,

src/types/generated/mars-credit-manager/MarsCreditManager.react-query.ts

@@ -11,6 +11,7 @@ import { StdFee } from '@cosmjs/amino'
 import {
   HealthContractBaseForString,
   IncentivesUnchecked,
+  Decimal,
   Uint128,
   OracleBaseForString,
   ParamsBaseForString,
@@ -24,7 +25,6 @@ import {
   ActionAmount,
   LiquidateRequestForVaultBaseForString,
   VaultPositionType,
-  Decimal,
   AccountNftBaseForString,
   OwnerUpdate,
   CallbackMsg,
@@ -58,6 +58,7 @@ import {
   VaultPositionResponseItem,
   ConfigResponse,
   OwnerResponse,
+  RewardsCollector,
   ArrayOfCoin,
   Positions,
   DebtAmount,

src/types/generated/mars-credit-manager/MarsCreditManager.types.ts

@@ -7,6 +7,7 @@
 
 export type HealthContractBaseForString = string
 export type IncentivesUnchecked = string
+export type Decimal = string
 export type Uint128 = string
 export type OracleBaseForString = string
 export type ParamsBaseForString = string
@@ -16,6 +17,7 @@ export type ZapperBaseForString = string
 export interface InstantiateMsg {
   health_contract: HealthContractBaseForString
   incentives: IncentivesUnchecked
+  max_slippage: Decimal
   max_unlocking_positions: Uint128
   oracle: OracleBaseForString
   owner: string
@@ -124,13 +126,13 @@ export type Action =
       provide_liquidity: {
         coins_in: ActionCoin[]
         lp_token_out: string
-        minimum_receive: Uint128
+        slippage: Decimal
       }
     }
   | {
       withdraw_liquidity: {
         lp_token: ActionCoin
-        minimum_receive: Coin[]
+        slippage: Decimal
       }
     }
   | {
@@ -155,7 +157,6 @@ export type LiquidateRequestForVaultBaseForString =
       }
     }
 export type VaultPositionType = 'u_n_l_o_c_k_e_d' | 'l_o_c_k_e_d' | 'u_n_l_o_c_k_i_n_g'
-export type Decimal = string
 export type AccountNftBaseForString = string
 export type OwnerUpdate =
   | {
@@ -297,14 +298,14 @@ export type CallbackMsg =
         account_id: string
         coins_in: ActionCoin[]
         lp_token_out: string
-        minimum_receive: Uint128
+        slippage: Decimal
       }
     }
   | {
       withdraw_liquidity: {
         account_id: string
         lp_token: ActionCoin
-        minimum_receive: Coin[]
+        slippage: Decimal
       }
     }
   | {
@@ -313,7 +314,7 @@ export type CallbackMsg =
       }
     }
   | {
-      assert_account_reqs: {
+      assert_hls_rules: {
         account_id: string
       }
     }
@@ -358,6 +359,7 @@ export interface ConfigUpdates {
   account_nft?: AccountNftBaseForString | null
   health_contract?: HealthContractBaseForString | null
   incentives?: IncentivesUnchecked | null
+  max_slippage?: Decimal | null
   max_unlocking_positions?: Uint128 | null
   oracle?: OracleBaseForString | null
   red_bank?: RedBankUnchecked | null
@@ -366,6 +368,7 @@ export interface ConfigUpdates {
   zapper?: ZapperBaseForString | null
 }
 export interface NftConfigUpdates {
+  credit_manager_contract_addr?: string | null
   health_contract_addr?: string | null
   max_value_for_burn?: Uint128 | null
 }
@@ -494,12 +497,13 @@ export interface ConfigResponse {
   account_nft?: string | null
   health_contract: string
   incentives: string
+  max_slippage: Decimal
   max_unlocking_positions: Uint128
   oracle: string
   ownership: OwnerResponse
   params: string
   red_bank: string
-  rewards_collector?: string | null
+  rewards_collector?: RewardsCollector | null
   swapper: string
   zapper: string
 }
@@ -510,6 +514,10 @@ export interface OwnerResponse {
   owner?: string | null
   proposed?: string | null
 }
+export interface RewardsCollector {
+  account_id: string
+  address: string
+}
 export type ArrayOfCoin = Coin[]
 export interface Positions {
   account_id: string

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

@@ -98,7 +98,11 @@ interface BroadcastSlice {
     vault: DepositedVault
     amount: string
   }) => Promise<boolean>
-  withdrawFromVaults: (options: { accountId: string; vaults: DepositedVault[] }) => Promise<boolean>
+  withdrawFromVaults: (options: {
+    accountId: string
+    vaults: DepositedVault[]
+    slippage: number
+  }) => Promise<boolean>
   withdraw: (options: {
     accountId: string
     coins: Array<{ coin: BNCoin; isMax?: boolean }>

src/utils/assets.ts

@@ -31,3 +31,7 @@ export function getAllAssets(): Asset[] {
 export function findCoinByDenom(denom: string, coins: BigNumberCoin[]) {
   return coins.find((coin) => coin.denom === denom)
 }
+
+export function getLendEnabledAssets() {
+  return ASSETS.filter((asset) => asset.isAutoLendEnabled)
+}

src/utils/constants.ts

@@ -13,4 +13,4 @@ export const SECONDS_IN_A_YEAR = 31540000
 export const LTV_BUFFER = 0.01
 
 export const DEPOSIT_CAP_BUFFER = 0.999
-export const VAULT_DEPOSIT_BUFFER = 0.9999
+export const VAULT_DEPOSIT_BUFFER = 0.9999

src/utils/tokens.ts

@@ -24,3 +24,7 @@ export function getTokenPrice(denom: string, prices: BNCoin[]): BigNumber {
 export function getDebtAmountWithInterest(debt: BigNumber, apr: number) {
   return debt.times(1 + apr / 365 / 24).integerValue()
 }
+
+export function getDenomsFromBNCoins(coins: BNCoin[]) {
+  return coins.map((coin) => coin.denom)
+}

src/utils/vaults.ts

@@ -148,7 +148,7 @@ export function getEnterVaultActions(
   vault: Vault,
   primaryCoin: BNCoin,
   secondaryCoin: BNCoin,
-  minLpToReceive: BigNumber,
+  slippage: number,
 ): Action[] {
   return [
     {
@@ -156,7 +156,7 @@ export function getEnterVaultActions(
         // Smart Contact demands that secondary coin is first
         coins_in: [secondaryCoin.toActionCoin(), primaryCoin.toActionCoin()],
         lp_token_out: vault.denoms.lp,
-        minimum_receive: minLpToReceive.toString(),
+        slippage: slippage.toString(),
       },
     },
     {
@@ -204,4 +204,3 @@ export function getVaultDepositCoinsFromActions(actions: Action[]) {
     })
   })
 }
-