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Updated on 2026-08-14

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Tangem 2024-05-30 15:48:27 +05:00
parent fd128f3bd7
commit 8b0f0e589e
11 changed files with 77 additions and 46 deletions
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106
data/wallets/src/main/java/com/tangem/data/wallets/DefaultWalletAddressServiceRepository.kt
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@ -1,106 +0,0 @@
package com.tangem.data.wallets
import android.net.Uri
import androidx.core.text.isDigitsOnly
import com.tangem.blockchain.blockchains.near.NearWalletManager
import com.tangem.blockchain.common.Blockchain
import com.tangem.domain.tokens.model.Network
import com.tangem.domain.walletmanager.WalletManagersFacade
import com.tangem.domain.wallets.models.ParsedQrCode
import com.tangem.domain.wallets.models.UserWalletId
import com.tangem.domain.wallets.models.errors.ParsedQrCodeErrors
import com.tangem.domain.wallets.repository.WalletAddressServiceRepository
import java.math.BigInteger
class DefaultWalletAddressServiceRepository(
private val walletManagersFacade: WalletManagersFacade,
) : WalletAddressServiceRepository {
override suspend fun validateAddress(userWalletId: UserWalletId, network: Network, address: String): Boolean {
val blockchain = Blockchain.fromId(network.id.value)
return if (blockchain.isNear()) {
val walletManager = walletManagersFacade.getOrCreateWalletManager(
userWalletId = userWalletId,
blockchain = blockchain,
derivationPath = network.derivationPath.value,
) ?: return false
(walletManager as? NearWalletManager)?.validateAddress(address) ?: false
} else {
blockchain.validateAddress(address)
}
}
override fun validateMemo(network: Network, memo: String): Boolean {
if (memo.isEmpty()) return true
return when (network.id.value) {
Blockchain.XRP.id -> {
val tag = memo.toLongOrNull()
tag != null && tag <= XRP_TAG_MAX_NUMBER
}
Blockchain.Stellar.id -> {
isAssignableXlmValue(memo)
}
else -> true
}
}
override suspend fun parseSharedAddress(input: String, network: Network): ParsedQrCode {
val blockchain = Blockchain.fromId(network.id.value)
val addressSchemeSplit = when (blockchain) {
Blockchain.BitcoinCash, Blockchain.Kaspa -> listOf(input)
else -> input.split(":")
}
val noSchemeAddress = when (addressSchemeSplit.size) {
1 -> { // no scheme
input
}
2 -> { // scheme
if (blockchain.validateShareScheme(addressSchemeSplit[0])) {
addressSchemeSplit[1]
} else {
// to preserve old logic
return ParsedQrCode(address = input)
}
}
else -> { // invalid URI
throw ParsedQrCodeErrors.InvalidUriError
}
}
val uri = Uri.parse(noSchemeAddress)
val address = uri.host ?: noSchemeAddress
val amount = uri.getQueryParameter("amount")?.toBigDecimalOrNull()
return ParsedQrCode(
address = address,
amount = amount,
)
}
private fun Blockchain.isNear(): Boolean {
return this == Blockchain.Near || this == Blockchain.NearTestnet
}
private fun isAssignableXlmValue(value: String): Boolean {
return when {
value.isNotEmpty() && value.isDigitsOnly() -> {
try {
// from com.tangem.blockchain.blockchains.stellar.StellarMemo.toStellarSdkMemo
value.toBigInteger() in BigInteger.ZERO..Long.MAX_VALUE.toBigInteger() * 2.toBigInteger()
} catch (ex: NumberFormatException) {
false
}
}
else -> {
// from org.stellar.sdk.MemoText
value.toByteArray().size <= XLM_MEMO_MAX_LENGTH
}
}
}
companion object {
private const val XLM_MEMO_MAX_LENGTH = 28
private const val XRP_TAG_MAX_NUMBER = 4294967295
}
}

11
data/wallets/src/main/java/com/tangem/data/wallets/di/WalletsDataModule.kt
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@ -1,12 +1,9 @@
package com.tangem.data.wallets.di
import com.tangem.data.wallets.DefaultWalletNamesMigrationRepository
import com.tangem.data.wallets.DefaultWalletAddressServiceRepository
import com.tangem.data.wallets.DefaultWalletsRepository
import com.tangem.datasource.local.preferences.AppPreferencesStore
import com.tangem.domain.walletmanager.WalletManagersFacade
import com.tangem.domain.wallets.repository.WalletNamesMigrationRepository
import com.tangem.domain.wallets.repository.WalletAddressServiceRepository
import com.tangem.domain.wallets.repository.WalletsRepository
import dagger.Module
import dagger.Provides
@ -24,14 +21,6 @@ internal object WalletsDataModule {
return DefaultWalletsRepository(appPreferencesStore = appPreferencesStore)
}
@Provides
@Singleton
fun providesWalletAddressServiceRepository(
walletManagersFacade: WalletManagersFacade,
): WalletAddressServiceRepository {
return DefaultWalletAddressServiceRepository(walletManagersFacade)
}
@Provides
@Singleton
fun provideMigrateNamesRepository(appPreferencesStore: AppPreferencesStore): WalletNamesMigrationRepository {