fix: invalid value on send

packages/extension/src/libs/utils/number-formatter.ts

@@ -517,6 +517,19 @@ const toBNSafe = (number: number) => {
   return toBN(new BigNumber(number).toFixed(0));
 };
 
+/**
+ * Validates if a string represents a positive numeric value less than 2^256.
+ * Used for validating transaction amounts across different blockchain implementations.
+ * @param {string} value - The string value to validate
+ * @returns {boolean} - True if the value is a valid positive number within bounds
+ */
+const isNumericPositive = (value: string) => {
+  if (!value?.trim()) return false;
+  const num = BigNumber(value);
+  return !num.isNaN() && num.isPositive() && num.lt(new BigNumber(2).pow(256));
+};
+
+
 export {
   formatIntegerToString,
   formatIntegerValue,
@@ -526,4 +539,5 @@ export {
   formatPercentageValue,
   formatGasValue,
   toBNSafe,
+  isNumericPositive
 };

packages/extension/src/providers/bitcoin/ui/send-transaction/index.vue

@@ -149,7 +149,10 @@ import { BTCToken } from '../../types/btc-token';
 import BigNumber from 'bignumber.js';
 import { defaultGasCostVals } from '@/providers/common/libs/default-vals';
 import { fromBase, toBase, isValidDecimals } from '@enkryptcom/utils';
-import { formatFloatingPointValue } from '@/libs/utils/number-formatter';
+import {
+  formatFloatingPointValue,
+  isNumericPositive,
+} from '@/libs/utils/number-formatter';
 import { routes as RouterNames } from '@/ui/action/router';
 import getUiPath from '@/libs/utils/get-ui-path';
 import Browser from 'webextension-polyfill';
@@ -218,6 +221,10 @@ onMounted(async () => {
 });
 
 const nativeBalanceAfterTransaction = computed(() => {
+  if (!isNumericPositive(sendAmount.value)) {
+    return toBN(0);
+  }
+
   if (
     selectedAsset.value &&
     isValidDecimals(sendAmount.value, selectedAsset.value.decimals!)

packages/extension/src/providers/ethereum/ui/send-transaction/index.vue

@@ -168,7 +168,10 @@ import erc20 from '../../libs/abi/erc20';
 import erc721 from '../../libs/abi/erc721';
 import erc1155 from '../../libs/abi/erc1155';
 import { SendTransactionDataType, VerifyTransactionParams } from '../types';
-import { formatFloatingPointValue } from '@/libs/utils/number-formatter';
+import {
+  formatFloatingPointValue,
+  isNumericPositive,
+} from '@/libs/utils/number-formatter';
 import { routes as RouterNames } from '@/ui/action/router';
 import getUiPath from '@/libs/utils/get-ui-path';
 import Browser from 'webextension-polyfill';
@@ -219,6 +222,11 @@ const hasEnoughBalance = computed(() => {
     return false;
   }
 
+  // check if valid sendAmount.value
+  if (!isNumericPositive(sendAmount.value)) {
+    return false;
+  }
+
   return toBN(selectedAsset.value.balance ?? '0').gte(
     toBN(toBase(sendAmount.value ?? '0', selectedAsset.value.decimals!)),
   );
@@ -345,8 +353,9 @@ const nativeBalanceAfterTransaction = computed(() => {
     let endingAmount = toBN(nativeBalance.value);
 
     if (selectedAsset.value.contract === NATIVE_TOKEN_ADDRESS) {
+      const locAmount = isNumericPositive(amount.value) ? amount.value : '0';
       const rawAmount = toBN(
-        toBase(amount.value, selectedAsset.value.decimals!),
+        toBase(locAmount ?? '0', selectedAsset.value.decimals!),
       );
       endingAmount = endingAmount.sub(rawAmount);
     }
@@ -488,6 +497,7 @@ const isInputsValid = computed<boolean>(() => {
   }
   if (new BigNumber(sendAmount.value).gt(assetMaxValue.value)) return false;
   if (gasCostValues.value.REGULAR.nativeValue === '0') return false;
+  if (!isNumericPositive(sendAmount.value)) return false;
   return true;
 });
 

packages/extension/src/providers/kadena/ui/send-transaction/index.vue

@@ -110,7 +110,10 @@ import BaseButton from '@action/components/base-button/index.vue';
 import { AccountsHeaderData } from '@action/types/account';
 import { GasFeeInfo } from '@/providers/ethereum/ui/types';
 import { toBN } from 'web3-utils';
-import { formatFloatingPointValue } from '@/libs/utils/number-formatter';
+import {
+  formatFloatingPointValue,
+  isNumericPositive,
+} from '@/libs/utils/number-formatter';
 import { fromBase, toBase, isValidDecimals } from '@enkryptcom/utils';
 import BigNumber from 'bignumber.js';
 import { VerifyTransactionParams } from '../types';
@@ -235,6 +238,12 @@ const validateFields = async () => {
         return;
       }
 
+      if (!isNumericPositive(amount.value)) {
+        fieldsValidation.value.amount = false;
+        errorMsg.value = 'Invalid amount. Amount has to be greater than 0';
+        return;
+      }
+
       rawAmount = toBN(
         toBase(amount.value.toString(), selectedAsset.value.decimals!),
       );

packages/extension/src/providers/polkadot/ui/send-transaction/index.vue

@@ -121,7 +121,10 @@ import { AccountsHeaderData } from '@action/types/account';
 import { GasFeeInfo } from '@/providers/ethereum/ui/types';
 import { SubstrateNetwork } from '../../types/substrate-network';
 import { toBN } from 'web3-utils';
-import { formatFloatingPointValue } from '@/libs/utils/number-formatter';
+import {
+  formatFloatingPointValue,
+  isNumericPositive,
+} from '@/libs/utils/number-formatter';
 import { fromBase, toBase, isValidDecimals } from '@enkryptcom/utils';
 import BigNumber from 'bignumber.js';
 import { AlertType, VerifyTransactionParams } from '../types';
@@ -195,7 +198,12 @@ const edWarn = computed(() => {
   }
 
   const rawAmount = toBN(
-    toBase(amount.value.toString(), selectedAsset.value.decimals ?? 0),
+    toBase(
+      isNumericPositive(amount.value.toString())
+        ? amount.value.toString()
+        : '0',
+      selectedAsset.value.decimals ?? 0,
+    ),
   );
   const ed = selectedAsset.value.existentialDeposit ?? toBN(0);
   const userBalance = toBN(selectedAsset.value.balance ?? 0);
@@ -246,7 +254,9 @@ const validateFields = async () => {
 
     let rawAmount = toBN(
       toBase(
-        amount.value ? amount.value.toString() : '0',
+        amount.value && isNumericPositive(amount.value.toString())
+          ? amount.value.toString()
+          : '0',
         selectedAsset.value.decimals!,
       ),
     );
@@ -448,9 +458,10 @@ const destinationBalanceCheck = computed(() => {
     if (selectedAsset.value.symbol !== accountAssets.value[0].symbol)
       return destinationHasEnough.value;
     else {
+      const checkedValue = amount.value?.toString() ?? '0';
       const rawAmount = toBN(
         toBase(
-          amount.value?.toString() ?? '0',
+          isNumericPositive(checkedValue) ? checkedValue : '0',
           selectedAsset.value.decimals ?? 0,
         ),
       );
@@ -475,6 +486,7 @@ const isDisabled = computed(() => {
   if (
     amount.value !== undefined &&
     amount.value !== '' &&
+    isNumericPositive(amount.value) &&
     hasEnough.value &&
     addressIsValid &&
     !edWarn.value &&