save swap margin to local storage

components/swap/SwapForm.tsx

@@ -28,6 +28,7 @@ import {
   MANGO_MINT,
   OUTPUT_TOKEN_DEFAULT,
   SIZE_INPUT_UI_KEY,
+  SWAP_MARGIN_KEY,
   USDC_MINT,
 } from '../../utils/constants'
 import { useTokenMax } from './useTokenMax'
@@ -72,6 +73,10 @@ const SwapForm = () => {
   const [showConfirm, setShowConfirm] = useState(false)
   const { group } = useMangoGroup()
   const [swapFormSizeUi] = useLocalStorageState(SIZE_INPUT_UI_KEY, 'slider')
+  const [, setSavedSwapMargin] = useLocalStorageState<boolean>(
+    SWAP_MARGIN_KEY,
+    true,
+  )
   const { ipAllowed, ipCountry } = useIpAddress()
   const { isUnownedAccount, isDelegatedAccount } = useUnownedAccount()
 
@@ -307,6 +312,10 @@ const SwapForm = () => {
     })
   }
 
+  useEffect(() => {
+    setSavedSwapMargin(useMargin)
+  }, [useMargin])
+
   return (
     <ContentBox
       hidePadding

store/mangoStore.ts

@@ -40,6 +40,7 @@ import {
   PAGINATION_PAGE_LENGTH,
   PRIORITY_FEE_KEY,
   RPC_PROVIDER_KEY,
+  SWAP_MARGIN_KEY,
 } from '../utils/constants'
 import {
   ActivityFeed,
@@ -268,12 +269,17 @@ export type MangoStore = {
 const mangoStore = create<MangoStore>()(
   subscribeWithSelector((_set, get) => {
     let rpcUrl = ENDPOINT.url
+    let swapMargin = true
 
     if (typeof window !== 'undefined' && CLUSTER === 'mainnet-beta') {
       const urlFromLocalStorage = localStorage.getItem(RPC_PROVIDER_KEY)
+      const swapMarginFromLocalStorage = localStorage.getItem(SWAP_MARGIN_KEY)
       rpcUrl = urlFromLocalStorage
         ? JSON.parse(urlFromLocalStorage)
         : ENDPOINT.url
+      swapMargin = swapMarginFromLocalStorage
+        ? JSON.parse(swapMarginFromLocalStorage)
+        : true
     }
 
     let connection: Connection
@@ -368,7 +374,7 @@ const mangoStore = create<MangoStore>()(
         outputBank: undefined,
         inputTokenInfo: undefined,
         outputTokenInfo: undefined,
-        margin: true,
+        margin: swapMargin,
         slippage: 0.5,
         swapMode: 'ExactIn',
         amountIn: '',

utils/constants.ts

@@ -53,6 +53,8 @@ export const PRIORITY_FEE_KEY = 'priorityFeeKey-0.1'
 
 export const SHOW_ORDER_LINES_KEY = 'showOrderLines-0.1'
 
+export const SWAP_MARGIN_KEY = 'swapMargin-0.1'
+
 export const SHOW_SWAP_INTRO_MODAL = 'showSwapModal-0.1'
 
 export const ACCEPT_TERMS_KEY = 'termsOfUseAccepted-0.1'