Add eth token whitelist

bridge_ui/src/hooks/useHandleAttest.tsx

@@ -19,7 +19,8 @@ import {
   parseSequenceFromLogSolana,
   parseSequenceFromLogTerra,
   uint8ArrayToHex,
-  parseTargetChainFromLogEth
+  parseTargetChainFromLogEth,
+  CHAIN_ID_ETH
 } from "@alephium/wormhole-sdk";
 import { CHAIN_ID_UNSET } from "@alephium/wormhole-sdk/lib/esm";
 import { Alert } from "@material-ui/lab";
@@ -71,7 +72,7 @@ import { getSignedVAAWithRetry } from "../utils/getSignedVAAWithRetry";
 import parseError from "../utils/parseError";
 import { signSendAndConfirm } from "../utils/solana";
 import { postWithFees, waitForTerraExecution } from "../utils/terra";
-import { attestFromEthWithoutWait } from "../utils/ethereum";
+import { attestFromEthWithoutWait, checkETHTokenInfo } from "../utils/ethereum";
 import { useWallet, Wallet as AlephiumWallet } from "@alephium/web3-react";
 
 async function algo(
@@ -139,6 +140,10 @@ async function evm(
 ) {
   dispatch(setIsSending(true));
   try {
+    if (chainId === CHAIN_ID_ETH) {
+      await checkETHTokenInfo(sourceAsset)
+    }
+
     // Klaytn requires specifying gasPrice
     const overrides =
       chainId === CHAIN_ID_KLAYTN

bridge_ui/src/utils/ethereum.ts

@@ -8,9 +8,36 @@ import {
 } from "../hooks/useGetSourceParsedTokenAccounts";
 import { BSC_RPC_HOST, CLUSTER, ETH_RPC_HOST, getTokenBridgeAddressForChain } from "./consts";
 import { Multicall, ContractCallContext } from 'ethereum-multicall';
+import axios from "axios"
 
 export const DefaultEVMChainConfirmations = 15
 
+interface TokenInfo {
+  address: string
+  name: string
+  symbol: string
+  decimals: number
+  logoURI: string
+}
+
+let _whitelist: TokenInfo[] | undefined = undefined
+
+async function loadETHTokenWhitelist(): Promise<TokenInfo[]> {
+  if (_whitelist !== undefined) return _whitelist
+  const { data: { tokens } } = await axios.get('https://tokens.1inch.eth.link/')
+  _whitelist = tokens
+  return tokens
+}
+
+export async function checkETHTokenInfo(tokenAddress: string) {
+  if (CLUSTER !== 'mainnet') return
+
+  const tokenWhitelist = await loadETHTokenWhitelist()
+  if (tokenWhitelist.find((token) => token.address === tokenAddress) === undefined) {
+    throw new Error(`Token ${tokenAddress} does not exists in the token list`)
+  }
+}
+
 //This is a valuable intermediate step to the parsed token account, as the token has metadata information on it.
 export async function getEthereumToken(
   tokenAddress: string,