GiftedHacker/tangem-app-android-audited
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Updated on 2026-08-14

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This commit is contained in:
Tangem 2018-09-06 13:33:54 +03:00
commit 692682e750
8 changed files with 31 additions and 28 deletions
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6
app/src/main/java/com/tangem/domain/wallet/BtcCashEngine.java
View file

@ -176,7 +176,7 @@ public class BtcCashEngine extends CoinEngine {
return Uri.parse("bitcoincash:" + mCard.getWallet());
}
public boolean checkAmountValue(TangemCard card, String amountValue, String feeValue, Long minFeeInInternalUnits) {
public boolean checkAmountValue(TangemCard card, String amountValue, String feeValue, Long minFeeInInternalUnits, Boolean incfee) {
Long fee;
Long amount;
try {
@ -193,10 +193,10 @@ public class BtcCashEngine extends CoinEngine {
if (fee == 0 || amount == 0)
return false;
if (fee > amount)
if (incfee && amount > card.getBalance())
return false;
if (fee < minFeeInInternalUnits)
if (!incfee && amount + fee > card.getBalance())
return false;
return true;

6
app/src/main/java/com/tangem/domain/wallet/BtcEngine.java
View file

@ -333,7 +333,7 @@ public class BtcEngine extends CoinEngine {
}
public boolean checkAmountValue(TangemCard card, String amountValue, String feeValue, Long minFeeInInternalUnits) {
public boolean checkAmountValue(TangemCard card, String amountValue, String feeValue, Long minFeeInInternalUnits, Boolean incfee) {
Long fee;
Long amount;
try {
@ -350,10 +350,10 @@ public class BtcEngine extends CoinEngine {
if (fee == 0 || amount == 0)
return false;
if (fee > amount)
if (incfee && amount > card.getBalance())
return false;
if (fee < minFeeInInternalUnits)
if (!incfee && amount + fee > card.getBalance())
return false;
return true;

2
app/src/main/java/com/tangem/domain/wallet/CoinEngine.java
View file

@ -49,7 +49,7 @@ public abstract class CoinEngine {
public abstract String evaluateFeeEquivalent(TangemCard card, String fee);
public abstract boolean checkAmountValue(TangemCard card, String amount, String fee, Long minFeeInInternalUnits);
public abstract boolean checkAmountValue(TangemCard card, String amount, String fee, Long minFeeInInternalUnits, Boolean incfee);
public abstract boolean inOutPutVisible();

13
app/src/main/java/com/tangem/domain/wallet/EthEngine.java
View file

@ -246,7 +246,7 @@ public class EthEngine extends CoinEngine {
}
public boolean checkAmountValue(TangemCard mCard, String amountValue, String feeValue, Long minFeeInInternalUnits) {
public boolean checkAmountValue(TangemCard mCard, String amountValue, String feeValue, Long minFeeInInternalUnits, Boolean incfee) {
// Long fee = null;
// Long amount = null;
// try {
@ -270,9 +270,18 @@ public class EthEngine extends CoinEngine {
try {
BigDecimal tmpFee = new BigDecimal(feeValue);
BigDecimal tmpAmount = new BigDecimal(amountValue);
BigDecimal cardBalance = new BigDecimal(mCard.getDecimalBalance());
tmpAmount = tmpAmount.multiply(new BigDecimal("1000000000"));
if (tmpFee.compareTo(tmpAmount) > 0)
cardBalance = cardBalance.divide(new BigDecimal("1000000000"));
//if (tmpFee.compareTo(tmpAmount) > 0)
// return false;
if (incfee && tmpAmount.compareTo(cardBalance) > 0 )
return false;
if (!incfee && tmpAmount.add(tmpFee).compareTo(cardBalance) > 0)
return false;
} catch (NumberFormatException e) {
e.printStackTrace();
}

21
app/src/main/java/com/tangem/domain/wallet/TokenEngine.java
View file

@ -292,7 +292,7 @@ public class TokenEngine extends CoinEngine {
return true;
}
public boolean checkAmountValue(TangemCard card, String amountValue, String feeValue, Long minFeeInInternalUnits) {
public boolean checkAmountValue(TangemCard card, String amountValue, String feeValue, Long minFeeInInternalUnits, Boolean incfee) {
Long fee;
BigDecimal amount;
try {
@ -309,17 +309,12 @@ public class TokenEngine extends CoinEngine {
if (fee == 0 || amount.compareTo(BigDecimal.ZERO) == 0)
return false;
if (fee < minFeeInInternalUnits)
return false;
BigDecimal tmpFee = new BigDecimal(feeValue);
BigDecimal tmpAmount = amount;
tmpAmount = tmpAmount.multiply(new BigDecimal("1000000000"));
if (tmpFee.compareTo(tmpAmount) > 0)
return false;
// BigDecimal tmpFee = new BigDecimal(feeValue);
// BigDecimal tmpAmount = amount;
// tmpAmount = tmpAmount.multiply(new BigDecimal("1000000000"));
//
// if (tmpFee.compareTo(tmpAmount) > 0)
// return false;
return true;
}
@ -357,7 +352,7 @@ public class TokenEngine extends CoinEngine {
//amount = amount.subtract(fee);
BigInteger nonce = nonceValue;
BigInteger gasPrice = fee.divide(BigInteger.valueOf(21000));
BigInteger gasPrice = fee.divide(BigInteger.valueOf(60000));
BigInteger gasLimit = BigInteger.valueOf(60000);
Integer chainId = EthTransaction.ChainEnum.Mainnet.getValue();
BigInteger amountZero = BigInteger.ZERO;

6
app/src/main/java/com/tangem/presentation/activity/ConfirmPaymentActivity.kt
View file

@ -208,8 +208,8 @@ class ConfirmPaymentActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
return@setOnClickListener
}
if (!engineCoin.checkAmountValue(card, txAmount, txFee, minFeeInInternalUnits)) {
finishActivityWithError(Activity.RESULT_CANCELED, getString(R.string.not_enough_eth_for_transaction_fee))
if (!engineCoin.checkAmountValue(card, txAmount, txFee, minFeeInInternalUnits, incFee)) {
finishActivityWithError(Activity.RESULT_CANCELED, getString(R.string.not_enough_funds_or_incorrect_amount))
return@setOnClickListener
}
@ -228,7 +228,7 @@ class ConfirmPaymentActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
gasPrice = gasPrice.substring(2)
var l = BigInteger(gasPrice, 16)
val m = if (card!!.blockchain == Blockchain.Token) BigInteger.valueOf(55000) else BigInteger.valueOf(21000)
val m = if (card!!.blockchain == Blockchain.Token) BigInteger.valueOf(60000) else BigInteger.valueOf(21000)
l = l.multiply(m)
val minFeeInGwei = card!!.getAmountInGwei(l.toString())
val normalFeeInGwei = card!!.getAmountInGwei(l.multiply(BigInteger.valueOf(12)).divide(BigInteger.valueOf(10)).toString())

2
app/src/main/java/com/tangem/presentation/fragment/LoadedWallet.kt
View file

@ -201,7 +201,7 @@ class LoadedWallet : Fragment(), NfcAdapter.ReaderCallback, CardProtocol.Notific
} else if (!engine.isBalanceNotZero(card))
showSingleToast(R.string.wallet_empty)
else if (!engine.isBalanceAlterNotZero(card))
showSingleToast(R.string.not_enough_funds)
showSingleToast(R.string.not_enough_funds_or_incorrect_amount)
else if (engine.awaitingConfirmation(card))
showSingleToast(R.string.please_wait_while_previous)
else if (!engine.checkUnspentTransaction(card))