From 577310380a752a09f056f555663485f1e48dc451 Mon Sep 17 00:00:00 2001
From: Josh <josh.hundley@gmail.com>
Date: Wed, 27 Jan 2021 13:50:02 -0800
Subject: [PATCH] explorer: Introduce scam registry and flag on account pages
 (#14886)

* explorer: add spam registry

* explorer: adjust warning messaging

* fix: remove red borders

* explorer: change spam to scam

* explorer: no need for this to be a prop now
---
 explorer/src/pages/AccountDetailsPage.tsx |  8 ++++++++
 explorer/src/scamRegistry.ts              | 12 ++++++++++++
 explorer/src/scss/_solana.scss            |  5 +++++
 3 files changed, 25 insertions(+)
 create mode 100644 explorer/src/scamRegistry.ts

diff --git a/explorer/src/pages/AccountDetailsPage.tsx b/explorer/src/pages/AccountDetailsPage.tsx
index 23aff1cb51..79f34c1c10 100644
--- a/explorer/src/pages/AccountDetailsPage.tsx
+++ b/explorer/src/pages/AccountDetailsPage.tsx
@@ -28,6 +28,7 @@ import { SlotHashesCard } from "components/account/SlotHashesCard";
 import { StakeHistoryCard } from "components/account/StakeHistoryCard";
 import { BlockhashesCard } from "components/account/BlockhashesCard";
 import { ConfigAccountSection } from "components/account/ConfigAccountSection";
+import { isScamAccount } from "scamRegistry";
 
 const TABS_LOOKUP: { [id: string]: Tab } = {
   "spl-token:mint": {
@@ -129,6 +130,7 @@ function DetailsSections({ pubkey, tab }: { pubkey: PublicKey; tab?: string }) {
   const info = useAccountInfo(address);
   const { status } = useCluster();
   const location = useLocation();
+  const isScam = isScamAccount(address);
 
   // Fetch account on load
   React.useEffect(() => {
@@ -157,6 +159,12 @@ function DetailsSections({ pubkey, tab }: { pubkey: PublicKey; tab?: string }) {
 
   return (
     <>
+      {isScam && (
+        <div className="alert alert-danger alert-scam" role="alert">
+          Warning! This account has been flagged as a scam account. Please be
+          cautious sending SOL to this account.
+        </div>
+      )}
       {<InfoSection account={account} />}
       {<MoreSection account={account} tab={moreTab} tabs={tabs} />}
     </>
diff --git a/explorer/src/scamRegistry.ts b/explorer/src/scamRegistry.ts
new file mode 100644
index 0000000000..413ccb30da
--- /dev/null
+++ b/explorer/src/scamRegistry.ts
@@ -0,0 +1,12 @@
+const scamAddresses = toHash(["GACpXND1SSfTSQMmqGuFvGwXB3jGEYBDRGNzmLfTYwSP"]);
+
+export function isScamAccount(address: string) {
+  return address in scamAddresses;
+}
+
+function toHash(addresses: string[]) {
+  return addresses.reduce((prev: { [addr: string]: boolean }, addr) => {
+    prev[addr] = true;
+    return prev;
+  }, {});
+}
diff --git a/explorer/src/scss/_solana.scss b/explorer/src/scss/_solana.scss
index f70f0c5a15..ee321d252a 100644
--- a/explorer/src/scss/_solana.scss
+++ b/explorer/src/scss/_solana.scss
@@ -326,3 +326,8 @@ div.inner-cards {
   max-height: 20rem;
   overflow-y: auto;
 }
+
+.alert-danger.alert-scam {
+  background: red;
+  border: 1px solid red;
+}