Disclaimer

components/account/AccountButton.tsx

@@ -93,7 +93,7 @@ const AccountButton: FC<{
   const proxy = getProxyFor(activeAccount?.address);
 
   const accountModals = useAccountModals();
-  const { locationAllowed, isUsingVPN } = useUserLocation();
+  const { locationAllowed } = useUserLocation();
   const [hovering, setHovering] = useState<boolean>(false);
   const [showOnboarding, setShowOnboarding] = useState(false);
   const [showGetZtgModal, setShowGetZtgModal] = useState(false);
@@ -149,28 +149,23 @@ const AccountButton: FC<{
         >
           {hasWallet === true ? (
             <HeaderActionButton
-              disabled={
-                locationAllowed !== true || isUsingVPN || !isRpcSdk(sdk)
-              }
+              disabled={locationAllowed !== true || !isRpcSdk(sdk)}
               onClick={() => connect()}
             >
               Connect Wallet
             </HeaderActionButton>
           ) : (
             <HeaderActionButton
-              disabled={locationAllowed !== true || isUsingVPN}
+              disabled={locationAllowed !== true}
               onClick={() => setShowOnboarding(true)}
             >
               Get Started
             </HeaderActionButton>
           )}
 
-          {hovering === true &&
-          (locationAllowed !== true || isUsingVPN === true) ? (
+          {hovering === true && locationAllowed !== true ? (
             <div className="absolute bottom-0 right-0 rounded bg-white text-sm font-bold text-black">
-              {locationAllowed !== true
-                ? "Your jurisdiction is not authorised to trade"
-                : "Trading over a VPN is not allowed due to legal restrictions"}
+              Your jurisdiction is not authorised to trade
             </div>
           ) : (
             <></>

components/onboarding/DisclaimerModal.tsx

@@ -0,0 +1,51 @@
+import { Dialog } from "@headlessui/react";
+import Modal from "components/ui/Modal";
+import { useEffect, useRef } from "react";
+import DisclaimerTerms from "./DisclaimerTerms";
+import { useDisclaimer } from "lib/state/disclaimer";
+
+export const DisclaimerModal = () => {
+  const { modalOpen, hideDisclaimer, setDisclaimerAccepted } = useDisclaimer();
+
+  const scrollableElementRef = useRef<HTMLDivElement | null>(null);
+
+  // hack to scroll component to top when it renders (by default it scrolls to the bottom as it's overflowing)
+  useEffect(() => {
+    setTimeout(() => {
+      if (scrollableElementRef.current) {
+        scrollableElementRef.current.scrollTop = 0;
+      }
+    }, 10);
+  }, [scrollableElementRef, modalOpen]);
+
+  return (
+    <Modal open={modalOpen} onClose={() => {}}>
+      <Dialog.Panel className="flex w-full max-w-[526px] flex-col gap-5 rounded-ztg-10 bg-white p-[30px]">
+        <h2 className="text-base">Terms of use</h2>
+        <div
+          ref={scrollableElementRef}
+          className="max-h-[300px] overflow-auto pr-2 text-sm"
+        >
+          <DisclaimerTerms />
+        </div>
+        <div className="flex items-center justify-end gap-3">
+          <button
+            className="rounded-md px-4 py-2 text-gray-400"
+            onClick={() => hideDisclaimer()}
+          >
+            Decline
+          </button>
+          <button
+            className="rounded-md bg-ztg-blue px-4 py-2 text-white"
+            onClick={() => {
+              hideDisclaimer();
+              setDisclaimerAccepted();
+            }}
+          >
+            Accept
+          </button>
+        </div>
+      </Dialog.Panel>
+    </Modal>
+  );
+};

components/ui/TransactionButton.tsx

@@ -40,7 +40,7 @@ const TransactionButton: FC<PropsWithChildren<TransactionButtonProps>> = ({
   const wallet = useWallet();
   const [sdk] = useSdkv2();
   const accountModals = useAccountModals();
-  const { locationAllowed, isUsingVPN } = useUserLocation();
+  const { locationAllowed } = useUserLocation();
 
   const extrinsicBase = useMemo(() => {
     return extrinsic && isRpcSdk(sdk) && wallet.activeAccount?.address
@@ -67,29 +67,22 @@ const TransactionButton: FC<PropsWithChildren<TransactionButtonProps>> = ({
   };
 
   const isDisabled = useMemo(() => {
-    if (
-      locationAllowed !== true ||
-      isUsingVPN ||
-      !isRpcSdk(sdk) ||
-      insufficientFeeBalance
-    ) {
+    if (locationAllowed !== true || !isRpcSdk(sdk) || insufficientFeeBalance) {
       return true;
     } else if (!wallet.connected) {
       return false;
     }
     return disabled;
-  }, [locationAllowed, isUsingVPN, sdk, wallet, insufficientFeeBalance]);
+  }, [locationAllowed, sdk, wallet, insufficientFeeBalance]);
 
   const colorClass =
-    locationAllowed !== true || isUsingVPN || insufficientFeeBalance
+    locationAllowed !== true || insufficientFeeBalance
       ? "bg-vermilion"
       : "bg-ztg-blue";
 
   const getButtonChildren = () => {
     if (locationAllowed !== true) {
       return "Location Blocked";
-    } else if (isUsingVPN) {
-      return "VPN Blocked";
     } else if (insufficientFeeBalance) {
       return `Insufficient ${fee.symbol}`;
     } else if (loading) {

layouts/DefaultLayout.tsx

@@ -13,6 +13,7 @@ import { useRouter } from "next/router";
 
 import { Account } from "components/account/Account";
 import { ConfirmationProvider } from "components/confirmation/ConfirmationProvider";
+import { DisclaimerModal } from "components/onboarding/DisclaimerModal";
 
 const NOTIFICATION_MESSAGE = process.env.NEXT_PUBLIC_NOTIFICATION_MESSAGE;
 
@@ -89,6 +90,7 @@ const DefaultLayout: FC<PropsWithChildren> = ({ children }) => {
         </div>
         <NotificationCenter />
         <ConfirmationProvider />
+        <DisclaimerModal />
       </TradeItemContext.Provider>
       <Account />
       <Onboarding />

lib/hooks/useUserLocation.ts

@@ -1,9 +1,7 @@
-import ipRangeCheck from "ip-range-check";
 import { useAtom } from "jotai";
 import { atomsWithQuery } from "jotai-tanstack-query";
 
 export type UserLocation = {
-  isUsingVPN: boolean;
   locationAllowed: boolean;
 };
 
@@ -13,7 +11,6 @@ export const [userLocationDataAtom, userLocationStatusAtom] =
   atomsWithQuery<UserLocation>(() => ({
     queryKey: [userLocationKey],
     initialData: () => ({
-      isUsingVPN: false,
       locationAllowed: true,
     }),
     keepPreviousData: true,
@@ -28,17 +25,7 @@ export const [userLocationDataAtom, userLocationStatusAtom] =
       const userCountry: string = json.body.country;
       const locationAllowed = !notAllowedCountries.includes(userCountry);
 
-      const ip = json.body.ip;
-
-      //source: https://raw.githubusercontent.com/X4BNet/lists_vpn/main/output/datacenter/ipv4.txt
-      const vpnIPsResponse = await fetch("/vpn-ips.txt");
-      const vpnIPs = await vpnIPsResponse.text();
-      const isUsingVPN = vpnIPs
-        .toString()
-        .split("\n")
-        .some((vpnIP) => ipRangeCheck(ip, vpnIP) === true);
-
-      return { isUsingVPN, locationAllowed };
+      return { locationAllowed };
     },
   }));
 

lib/state/account.tsx

@@ -1,4 +1,5 @@
 import { atom, useAtom } from "jotai";
+import { useDisclaimer } from "./disclaimer";
 
 const accountsAtom = atom({
   accountSelectModalOpen: false,
@@ -8,13 +9,21 @@ const accountsAtom = atom({
 export const useAccountModals = () => {
   const [state, setState] = useAtom(accountsAtom);
 
+  const { showDisclaimer, disclaimerAccepted } = useDisclaimer(() => {
+    setState({ ...state, walletSelectModalOpen: true });
+  });
+
   return {
     ...state,
     openAccountSelect: () => {
       setState({ ...state, accountSelectModalOpen: true });
     },
     openWalletSelect: () => {
-      setState({ ...state, walletSelectModalOpen: true });
+      if (disclaimerAccepted) {
+        setState({ ...state, walletSelectModalOpen: true });
+      } else {
+        showDisclaimer();
+      }
     },
     closeAccountSelect: () => {
       setState({ ...state, accountSelectModalOpen: false });

lib/state/disclaimer.ts

@@ -0,0 +1,46 @@
+import { atom, useAtom } from "jotai";
+import { persistentAtom } from "./util/persistent-atom";
+import { useEffect, useMemo } from "react";
+
+const disclaimerAcceptanceStateAtom = persistentAtom<boolean>({
+  key: "disclaimer-acceptance",
+  defaultValue: false,
+});
+
+const disclaimerDisplayed = atom<boolean>(false);
+
+export const useDisclaimer = (onAccept?: () => void) => {
+  const [modalOpen, setModalOpen] = useAtom(disclaimerDisplayed);
+  const [disclaimerStatus, setDisclaimerStatus] = useAtom(
+    disclaimerAcceptanceStateAtom,
+  );
+
+  const initialDisclaimerStatus = useMemo(() => {
+    return disclaimerStatus;
+  }, []);
+
+  useEffect(() => {
+    if (!initialDisclaimerStatus && disclaimerStatus) {
+      onAccept?.();
+    }
+  }, [disclaimerStatus]);
+
+  const setDisclaimerAccepted = () => {
+    setDisclaimerStatus(true);
+  };
+
+  const showDisclaimer = () => {
+    setModalOpen(true);
+  };
+  const hideDisclaimer = () => {
+    setModalOpen(false);
+  };
+
+  return {
+    modalOpen,
+    hideDisclaimer,
+    showDisclaimer,
+    disclaimerAccepted: disclaimerStatus,
+    setDisclaimerAccepted,
+  };
+};

package.json

@@ -58,7 +58,6 @@
     "fuse.js": "^6.6.2",
     "graphql-request": "^5.0.0",
     "groq": "^3.23.4",
-    "ip-range-check": "^0.2.0",
     "jotai": "^2.0.4",
     "jotai-tanstack-query": "^0.7.0",
     "lodash.merge": "^4.6.2",