Updated on 2026-08-14

data/common/src/main/kotlin/com/tangem/data/common/currency/CryptoCurrencyFactory.kt

@@ -12,6 +12,29 @@ import com.tangem.blockchain.common.Token as SdkToken
 // FIXME: Make internal
 class CryptoCurrencyFactory {
 
+    @Suppress("LongParameterList") // Yep, it's long
+    fun createToken(
+        network: Network,
+        rawId: String?,
+        name: String,
+        symbol: String,
+        decimals: Int,
+        contractAddress: String,
+    ): CryptoCurrency.Token {
+        val id = getTokenId(network, rawId, contractAddress)
+
+        return CryptoCurrency.Token(
+            id = id,
+            network = network,
+            name = name,
+            symbol = symbol,
+            decimals = decimals,
+            iconUrl = rawId?.let(::getTokenIconUrlFromDefaultHost),
+            isCustom = isCustomToken(id, network),
+            contractAddress = contractAddress,
+        )
+    }
+
     fun createToken(
         sdkToken: SdkToken,
         blockchain: Blockchain,
@@ -49,15 +72,7 @@ class CryptoCurrencyFactory {
         }
         val network = getNetwork(blockchain, extraDerivationPath, derivationStyleProvider) ?: return null
 
-        return CryptoCurrency.Coin(
-            id = getCoinId(network, blockchain.toCoinId()),
-            network = network,
-            name = blockchain.fullName,
-            symbol = blockchain.currency,
-            iconUrl = getCoinIconUrl(blockchain),
-            decimals = blockchain.decimals(),
-            isCustom = isCustomCoin(network),
-        )
+        return createCoin(network)
     }
 
     fun createCoin(
@@ -69,6 +84,20 @@ class CryptoCurrencyFactory {
         return createCoin(blockchain, extraDerivationPath, derivationStyleProvider)
     }
 
+    fun createCoin(network: Network): CryptoCurrency.Coin {
+        val blockchain = Blockchain.fromId(network.id.value)
+
+        return CryptoCurrency.Coin(
+            id = getCoinId(network, blockchain.toCoinId()),
+            network = network,
+            name = blockchain.fullName,
+            symbol = blockchain.currency,
+            iconUrl = getCoinIconUrl(blockchain),
+            decimals = blockchain.decimals(),
+            isCustom = isCustomCoin(network),
+        )
+    }
+
     fun createToken(
         token: Token,
         networkId: String,

data/common/src/main/kotlin/com/tangem/data/common/currency/NetworkOperations.kt

@@ -11,6 +11,22 @@ fun getBlockchain(networkId: Network.ID): Blockchain {
     return Blockchain.fromId(networkId.value)
 }
 
+fun getNetwork(networkId: Network.ID, derivationPath: Network.DerivationPath): Network {
+    val blockchain = getBlockchain(networkId)
+
+    return Network(
+        id = networkId,
+        backendId = blockchain.toNetworkId(),
+        name = blockchain.getNetworkName(),
+        isTestnet = blockchain.isTestnet(),
+        derivationPath = derivationPath,
+        currencySymbol = blockchain.currency,
+        standardType = getNetworkStandardType(blockchain),
+        hasFiatFeeRate = blockchain.feePaidCurrency() !is FeePaidCurrency.FeeResource,
+        canHandleTokens = blockchain.canHandleTokens(),
+    )
+}
+
 fun getNetwork(
     blockchain: Blockchain,
     extraDerivationPath: String?,
@@ -30,10 +46,11 @@ fun getNetwork(
         currencySymbol = blockchain.currency,
         standardType = getNetworkStandardType(blockchain),
         hasFiatFeeRate = blockchain.feePaidCurrency() !is FeePaidCurrency.FeeResource,
+        canHandleTokens = blockchain.canHandleTokens(),
     )
 }
 
-private fun getNetworkDerivationPath(
+fun getNetworkDerivationPath(
     blockchain: Blockchain,
     extraDerivationPath: String?,
     cardDerivationStyleProvider: DerivationStyleProvider?,

data/common/src/main/kotlin/com/tangem/data/common/currency/TokensOperations.kt

@@ -4,7 +4,6 @@ import com.tangem.blockchain.common.Blockchain
 import com.tangem.blockchain.common.IconsUtil
 import com.tangem.blockchainsdk.utils.toCoinId
 import com.tangem.datasource.api.tangemTech.models.UserTokensResponse
-import com.tangem.domain.tokens.model.CryptoCurrency
 import com.tangem.domain.tokens.model.CryptoCurrency.ID
 import com.tangem.domain.tokens.model.Network
 import com.tangem.blockchain.common.Token as SdkToken
@@ -65,10 +64,10 @@ fun getCoinIconUrl(blockchain: Blockchain): String? {
     return coinId?.let(::getTokenIconUrlFromDefaultHost)
 }
 
-fun List<UserTokensResponse.Token>.hasCoinForToken(token: CryptoCurrency.Token): Boolean {
+fun List<UserTokensResponse.Token>.hasCoinForToken(network: Network): Boolean {
     return any {
-        val blockchain = getBlockchain(networkId = token.network.id)
-        val tokenDerivation = token.network.derivationPath.value
+        val blockchain = getBlockchain(networkId = network.id)
+        val tokenDerivation = network.derivationPath.value
         it.id == blockchain.toCoinId() && it.derivationPath == tokenDerivation
     }
 }
@@ -85,7 +84,7 @@ private fun getCurrencyIdBody(network: Network): CurrencyIdBody {
     }
 }
 
-private fun getTokenIconUrlFromDefaultHost(tokenId: String): String {
+fun getTokenIconUrlFromDefaultHost(tokenId: String): String {
     return buildString {
         append(DEFAULT_TOKENS_ICONS_HOST)
         append('/')

data/common/src/main/kotlin/com/tangem/data/common/utils/RequestUtils.kt

@@ -7,8 +7,10 @@ import kotlinx.coroutines.yield
 import timber.log.Timber
 import kotlin.coroutines.cancellation.CancellationException
 
-@Suppress("UnconditionalJumpStatementInLoop")
-suspend fun <T> retryOnError(priority: Boolean = false, call: suspend () -> T): T {
+@Suppress("UnconditionalJumpStatementInLoop", "MagicNumber")
+suspend fun <T> retryOnError(priority: Boolean = false, startRetryDelay: Int = 500, call: suspend () -> T): T {
+    var currentDelay = startRetryDelay
+    var priorityCounter = 5
     while (true) {
         return try {
             call()
@@ -19,9 +21,12 @@ suspend fun <T> retryOnError(priority: Boolean = false, call: suspend () -> T):
 
             Timber.e(e, "Error occurred during retryOnError block")
 
-            if (priority.not()) {
+            if (priority && priorityCounter > 0) {
+                --priorityCounter
+            } else {
                 yield()
-                delay(timeMillis = 500)
+                delay(timeMillis = currentDelay.toLong())
+                currentDelay *= 2
             }
 
             continue