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CW-1228: Automatically Fetch All Tokens (#2869)

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* feat: Automatically detect wallet tokens for EVM chains

* feat: Disable potential tg scam tokens by default

* feat: Add homoglyph normalization to detect spoofing attacks in token symbols

* refactor: Improve scam token detection and apply to automatically fetched EVM tokens

* refactor: Enhance scam detection for automatically detected tokens in evm wallets

* feat: Add fiat check to scam checks on automatically imported token and disable tokens that fail the check

* feat: Add fiat check to scam checks on automatically imported token and disable tokens that fail the check

* feat: Add fiat check to scam checks on automatically imported token and disable tokens that fail the check

* feat: Enable whitelisted tokens with balance when importing wallet tokens

* feat: Disable imported tokens with balance less than 0.1 usd

* feat: Disable imported tokens with balance less than 0.1 usd
- Update configure file
This commit is contained in:
David Adegoke
2026-02-05 23:52:24 +01:00
committed by GitHub
parent 8d71f004a2
commit 4ae94db3ee
4 changed files with 61 additions and 27 deletions
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lib/evm/cw_evm.dart
+26 -16
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@@ -514,49 +514,59 @@ class CWEVM extends EVM {
@override
bool hasPriorityFee(int chainId) => EVMChainUtils.hasPriorityFee(chainId);
@override
Future<bool> checkTokenFiatPrice(WalletBase wallet, Erc20Token token) async {
Future<({double usdValue, bool hasValidFiatPrice})> _getTokenUsdValueAndFiatCheck(
Erc20Token token,
BigInt balanceWei,
) async {
try {
final settingsStore = getIt.get<SettingsStore>();
final fiatCurrency = settingsStore.fiatCurrency;
final torOnly = settingsStore.fiatApiMode == FiatApiMode.torOnly;
final price = await FiatConversionService.fetchPrice(
crypto: token,
fiat: fiatCurrency,
fiat: FiatCurrency.usd,
torOnly: torOnly,
);
return price > 0;
final hasValidFiatPrice = price > 0;
final decimals = token.decimal;
final balance = balanceWei.toDouble() / math.pow(10, decimals);
final usdValue = balance * price;
return (usdValue: usdValue, hasValidFiatPrice: hasValidFiatPrice);
} catch (e) {
return false;
return (usdValue: 0.0, hasValidFiatPrice: false);
}
}
static const _minTokenUsdValue = 0.1;
@override
Future<void> discoverAndAddWalletTokens(WalletBase wallet) async {
if (wallet is! EVMChainWallet) return;
try {
final discoveredTokens = await wallet.discoverTokensFromMoralis();
final result = await wallet.discoverTokensFromMoralis();
if (discoveredTokens.isEmpty) return;
if (result.newTokens.isEmpty) return;
final List<Future<void>> tokenChecks = [];
for (final token in discoveredTokens) {
for (final item in result.newTokens) {
tokenChecks.add((() async {
final token = item.token;
final isPropertiesSuspicious = wallet.isTokenPropertiesSuspicious(token);
bool hasValidFiatPrice = true;
if (!isPropertiesSuspicious) {
hasValidFiatPrice = await checkTokenFiatPrice(wallet, token);
}
final isSpam = isPropertiesSuspicious || !hasValidFiatPrice;
final fiatResult = await _getTokenUsdValueAndFiatCheck(
token,
item.balanceWei,
);
final isSpam = isPropertiesSuspicious || !fiatResult.hasValidFiatPrice;
token.isPotentialScam = isSpam;
token.enabled = !isSpam;
token.enabled = (fiatResult.usdValue >= _minTokenUsdValue) && !isSpam;
await wallet.addErc20Token(token);
})());