From 5d6f94ef4254e53d4f423dee987768591fd74768 Mon Sep 17 00:00:00 2001
From: Noah Gundotra <ngundotra@users.noreply.github.com>
Date: Wed, 14 Dec 2022 13:27:47 -0500
Subject: [PATCH] Explorer: add alert notice to Project Serum deployments
 (#28913)

* explorer: add scam notice to serum deployments

* explorer: prettier fix

* explorer: generalize account-incident alerting

* explorer: format:fix

* explorer: remove github registry link

* explorer: remove unused fetch

* Change flagged accounts from context to flat record
---
 explorer/src/pages/AccountDetailsPage.tsx     | 10 +--
 .../providers/accounts/flagged-accounts.tsx   | 85 ++++++++++---------
 explorer/src/providers/accounts/index.tsx     |  5 +-
 3 files changed, 48 insertions(+), 52 deletions(-)

diff --git a/explorer/src/pages/AccountDetailsPage.tsx b/explorer/src/pages/AccountDetailsPage.tsx
index a37ee60be1..1428124d16 100644
--- a/explorer/src/pages/AccountDetailsPage.tsx
+++ b/explorer/src/pages/AccountDetailsPage.tsx
@@ -35,7 +35,7 @@ import {
   useFetchAccountInfo,
   useMintAccountInfo,
 } from "providers/accounts";
-import { useFlaggedAccounts } from "providers/accounts/flagged-accounts";
+import FLAGGED_ACCOUNTS_WARNING from "providers/accounts/flagged-accounts";
 import isMetaplexNFT from "providers/accounts/utils/isMetaplexNFT";
 import { useAnchorProgram } from "providers/anchor";
 import { CacheEntry, FetchStatus } from "providers/cache";
@@ -295,7 +295,6 @@ function DetailsSections({
   const fetchAccount = useFetchAccountInfo();
   const address = pubkey.toBase58();
   const location = useLocation();
-  const { flaggedAccounts } = useFlaggedAccounts();
 
   if (!info || info.status === FetchStatus.Fetching) {
     return <LoadingCard />;
@@ -329,12 +328,7 @@ function DetailsSections({
 
   return (
     <>
-      {flaggedAccounts.has(address) && (
-        <div className="alert alert-danger alert-scam" role="alert">
-          Warning! This account has been flagged by the community as a scam
-          account. Please be cautious sending SOL to this account.
-        </div>
-      )}
+      {FLAGGED_ACCOUNTS_WARNING[address] ?? null}
       <InfoSection account={account} />
       <MoreSection
         account={account}
diff --git a/explorer/src/providers/accounts/flagged-accounts.tsx b/explorer/src/providers/accounts/flagged-accounts.tsx
index ff8ca6fa66..b9fcf05bc4 100644
--- a/explorer/src/providers/accounts/flagged-accounts.tsx
+++ b/explorer/src/providers/accounts/flagged-accounts.tsx
@@ -1,47 +1,52 @@
 import React from "react";
-import { fetch } from "cross-fetch";
+import { Link } from "react-router-dom";
 
-const FLAGGED_REGISTRY =
-  "https://solana-labs.github.io/solana-flagged-accounts/flagged.txt";
+type FlaggedMap = Record<string, IncidentDescription>;
 
-type FlaggedMap = Map<string, boolean>;
-type ProviderProps = { children: React.ReactNode };
+type IncidentId = "ftx-hack-november-2022" | "known-scam";
+type IncidentDescription = React.ReactElement;
 
-const FlaggedContext = React.createContext<FlaggedMap>(new Map());
+const FLAGGED_ACCOUNTS: Record<string, IncidentId> = {
+  GACpXND1SSfTSQMmqGuFvGwXB3jGEYBDRGNzmLfTYwSP: "known-scam",
+  "9tAViia54YAaL9gv92hBu8K4QGRBKbytCQ9TYsJ6F6or": "known-scam",
+  // Serum Swap
+  "22Y43yTVxuUkoRKdm9thyRhQ3SdgQS7c7kB6UNCiaczD": "ftx-hack-november-2022",
+  // Serum Dex V3
+  "9xQeWvG816bUx9EPjHmaT23yvVM2ZWbrrpZb9PusVFin": "ftx-hack-november-2022",
+  // Serum Dex V2
+  EUqojwWA2rd19FZrzeBncJsm38Jm1hEhE3zsmX3bRc2o: "ftx-hack-november-2022",
+  // Serum Dex V1
+  BJ3jrUzddfuSrZHXSCxMUUQsjKEyLmuuyZebkcaFp2fg: "ftx-hack-november-2022",
+};
 
-export function FlaggedAccountsProvider({ children }: ProviderProps) {
-  const [flaggedAccounts, setFlaggedAccounts] = React.useState<FlaggedMap>(
-    new Map()
-  );
+const INCIDENTS: Record<IncidentId, IncidentDescription> = {
+  "known-scam": (
+    <>
+      <div className="alert alert-danger alert-scam" role="alert">
+        Warning! This account has been flagged by the community as a scam
+        account. Please be cautious sending SOL to this account.
+      </div>
+    </>
+  ),
+  "ftx-hack-november-2022": (
+    <>
+      <div className="alert alert-danger alert-scam" role="alert">
+        Warning! This program's upgrade key may have been compromised by the FTX
+        hack. Please migrate to the community fork:{" "}
+        <Link
+          className="text-white"
+          style={{ textDecoration: "underline" }}
+          to="https://github.com/openbook-dex/program"
+        >
+          https://github.com/openbook-dex/program
+        </Link>
+      </div>
+    </>
+  ),
+} as const;
 
-  React.useEffect(() => {
-    fetch(FLAGGED_REGISTRY)
-      .then((res) => {
-        return res.text();
-      })
-      .then((body: string) => {
-        const flaggedAccounts = new Map<string, boolean>();
-        body
-          .split("\n")
-          .forEach((account) => flaggedAccounts.set(account, true));
-        setFlaggedAccounts(flaggedAccounts);
-      });
-  }, []);
-
-  return (
-    <FlaggedContext.Provider value={flaggedAccounts}>
-      {children}
-    </FlaggedContext.Provider>
-  );
-}
-
-export function useFlaggedAccounts() {
-  const flaggedAccounts = React.useContext(FlaggedContext);
-  if (!flaggedAccounts) {
-    throw new Error(
-      `useFlaggedAccounts must be used within a AccountsProvider`
-    );
-  }
-
-  return { flaggedAccounts };
+const FLAGGED_ACCOUNTS_WARNING: FlaggedMap = {};
+for (const [account, incidentId] of Object.entries(FLAGGED_ACCOUNTS)) {
+  FLAGGED_ACCOUNTS_WARNING[account] = INCIDENTS[incidentId];
 }
+export default FLAGGED_ACCOUNTS_WARNING;
diff --git a/explorer/src/providers/accounts/index.tsx b/explorer/src/providers/accounts/index.tsx
index c616f6e4f8..2dead415a7 100644
--- a/explorer/src/providers/accounts/index.tsx
+++ b/explorer/src/providers/accounts/index.tsx
@@ -28,7 +28,6 @@ import { NonceAccount } from "validators/accounts/nonce";
 import { SysvarAccount } from "validators/accounts/sysvar";
 import { ConfigAccount } from "validators/accounts/config";
 import { ParsedAddressLookupTableAccount } from "validators/accounts/address-lookup-table";
-import { FlaggedAccountsProvider } from "./flagged-accounts";
 import {
   ProgramDataAccount,
   ProgramDataAccountInfo,
@@ -177,9 +176,7 @@ export function AccountsProvider({ children }: AccountsProviderProps) {
         <FetchersContext.Provider value={fetchers}>
           <TokensProvider>
             <HistoryProvider>
-              <RewardsProvider>
-                <FlaggedAccountsProvider>{children}</FlaggedAccountsProvider>
-              </RewardsProvider>
+              <RewardsProvider>{children}</RewardsProvider>
             </HistoryProvider>
           </TokensProvider>
         </FetchersContext.Provider>