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Updated on 2026-08-14

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Tangem 2024-01-18 16:30:47 +03:00
parent d227d1fae3
commit ebbd1bf574
2 changed files with 48 additions and 11 deletions
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51
features/swap/domain/src/main/java/com/tangem/feature/swap/domain/SwapInteractorImpl.kt
View file

@ -352,11 +352,26 @@ internal class SwapInteractorImpl @Inject constructor(
)
}
private suspend fun manageWarnings(fromTokenStatus: CryptoCurrencyStatus, amount: SwapAmount): List<Warning> {
private suspend fun manageWarnings(
fromTokenStatus: CryptoCurrencyStatus,
amount: SwapAmount,
feeState: TxFeeState,
): List<Warning> {
val fromToken = fromTokenStatus.currency
val userWalletId = getSelectedWallet()?.walletId ?: return emptyList()
val existentialDeposit = repository.getExistentialDeposit(userWalletId, fromToken.network)
val warnings = mutableListOf<Warning>()
manageExistentialDepositWarning(warnings, userWalletId, amount, fromToken)
manageDustWarning(warnings, feeState, userWalletId, fromTokenStatus, amount)
return warnings
}
private suspend fun manageExistentialDepositWarning(
warnings: MutableList<Warning>,
userWalletId: UserWalletId,
amount: SwapAmount,
fromToken: CryptoCurrency,
) {
val existentialDeposit = repository.getExistentialDeposit(userWalletId, fromToken.network)
if (existentialDeposit != null) {
val nativeBalance = userWalletManager.getNativeTokenBalance(
fromToken.network.backendId,
@ -366,15 +381,33 @@ internal class SwapInteractorImpl @Inject constructor(
warnings.add(Warning.ExistentialDepositWarning(existentialDeposit))
}
}
val dust = repository.getDustValue(userWalletId, fromToken.network)
}
private suspend fun manageDustWarning(
warnings: MutableList<Warning>,
feeState: TxFeeState,
userWalletId: UserWalletId,
fromTokenStatus: CryptoCurrencyStatus,
amount: SwapAmount,
) {
val fee = when (feeState) {
TxFeeState.Empty -> BigDecimal.ZERO
is TxFeeState.MultipleFeeState -> feeState.priorityFee.feeValue
is TxFeeState.SingleFeeState -> feeState.fee.feeValue
}
val dust = repository.getDustValue(userWalletId, fromTokenStatus.currency.network)
val balance = fromTokenStatus.value.amount ?: BigDecimal.ZERO
if (dust != null && !balance.isNullOrZero()) {
val isLowerThenDust = amount.value < dust || balance - amount.value < dust
if (isLowerThenDust) {
if (dust != null &&
!balance.isNullOrZero() &&
amount.value < balance
) {
val change = balance - (amount.value + fee)
val isChangeLowerThanDust = change < dust && change != BigDecimal.ZERO
val isShowWarning = amount.value + fee < dust || isChangeLowerThanDust
if (isShowWarning) {
warnings.add(Warning.MinAmountWarning(dust))
}
}
return warnings
}
override suspend fun onSwap(
@ -803,7 +836,7 @@ internal class SwapInteractorImpl @Inject constructor(
txFeeState = txFee,
exchangeProviderType = exchangeProviderType,
).copy(
warnings = manageWarnings(fromToken, amount),
warnings = manageWarnings(fromToken, amount, txFee),
)
when (exchangeProviderType) {
@ -968,7 +1001,7 @@ internal class SwapInteractorImpl @Inject constructor(
)
swapState.copy(
permissionState = PermissionDataState.Empty,
warnings = manageWarnings(fromToken, amount),
warnings = manageWarnings(fromToken, amount, txFeeState),
preparedSwapConfigState = PreparedSwapConfigState(
isAllowedToSpend = true,
isBalanceEnough = isBalanceIncludeFeeEnough,

8
features/swap/presentation/src/main/java/com/tangem/feature/swap/ui/StateBuilder.kt
View file

@ -254,7 +254,7 @@ internal class StateBuilder(
),
fee = feeState,
swapButton = SwapButton(
enabled = getSwapButtonEnabled(quoteModel.preparedSwapConfigState),
enabled = getSwapButtonEnabled(quoteModel),
onClick = actions.onSwapClick,
),
changeCardsButtonState = if (isReverseSwapPossible) {
@ -425,8 +425,12 @@ internal class StateBuilder(
}
}
private fun getSwapButtonEnabled(preparedSwapConfigState: PreparedSwapConfigState): Boolean {
private fun getSwapButtonEnabled(quoteModel: SwapState.QuotesLoadedState): Boolean {
val preparedSwapConfigState = quoteModel.preparedSwapConfigState
// check has has outgoing transaction
if (preparedSwapConfigState.hasOutgoingTransaction) return false
// check has MinAmountWarning warning
if (quoteModel.warnings.filterIsInstance<Warning.MinAmountWarning>().isNotEmpty()) return false
return when (preparedSwapConfigState.includeFeeInAmount) {
IncludeFeeInAmount.BalanceNotEnough -> false
IncludeFeeInAmount.Excluded ->