bridge_ui: Block transfers of aUSD from Karura

bridge_ui/src/components/TokenSelectors/TokenPicker.tsx

@@ -26,7 +26,11 @@ import useMarketsMap from "../../hooks/useMarketsMap";
 import { NFTParsedTokenAccount } from "../../store/nftSlice";
 import { selectTransferTargetChain } from "../../store/selectors";
 import { balancePretty } from "../../utils/balancePretty";
-import { AVAILABLE_MARKETS_URL, CHAINS_BY_ID } from "../../utils/consts";
+import {
+  AVAILABLE_MARKETS_URL,
+  CHAINS_BY_ID,
+  getIsTokenTransferDisabled,
+} from "../../utils/consts";
 import { shortenAddress } from "../../utils/solana";
 import NFTViewer from "./NFTViewer";
 
@@ -556,6 +560,10 @@ export default function TokenPicker({
                         option.mintKey +
                         (option.tokenId || "")
                       }
+                      disabled={getIsTokenTransferDisabled(
+                        chainId,
+                        option.mintKey
+                      )}
                     >
                       <RenderOption account={option} />
                     </ListItem>
@@ -580,6 +588,7 @@ export default function TokenPicker({
                   key={
                     option.publicKey + option.mintKey + (option.tokenId || "")
                   }
+                  disabled={getIsTokenTransferDisabled(chainId, option.mintKey)}
                 >
                   <RenderOption account={option} />
                 </ListItem>

bridge_ui/src/utils/consts.ts

@@ -1456,3 +1456,15 @@ export const COLOR_BY_CHAIN_ID: { [key in ChainId]?: string } = {
   [CHAIN_ID_KARURA]: "#FF4B3B",
   [CHAIN_ID_ACALA]: "#E00F51",
 };
+
+export const DISABLED_TOKEN_TRANSFERS: { [key in ChainId]?: string[] } = {
+  [CHAIN_ID_KARURA]: [
+    "0x0000000000000000000100000000000000000081", // aUSD
+  ],
+};
+export const getIsTokenTransferDisabled = (
+  chainId: ChainId,
+  tokenAddress: string
+) => {
+  return !!DISABLED_TOKEN_TRANSFERS[chainId]?.includes(tokenAddress);
+};