Updated on 2026-08-14

libs/crypto/build.gradle.kts

@@ -13,4 +13,7 @@ dependencies {
 
     /** SDK */
     implementation(deps.tangem.blockchain)
+
+    /** Core */
+    implementation(projects.core.utils)
 }

libs/crypto/src/main/java/com/tangem/lib/crypto/BlockchainUtils.kt

@@ -0,0 +1,29 @@
+package com.tangem.lib.crypto
+
+import com.tangem.blockchain.blockchains.xrp.XrpAddressService
+import com.tangem.blockchain.common.Blockchain
+import com.tangem.lib.crypto.converter.XrpTaggedAddressConverter
+import com.tangem.lib.crypto.models.XrpTaggedAddress
+
+/**
+ * !!!IMPORTANT!!!
+ * Methods for working with different blockchains
+ * All methods are depend on specific blockchain or check for specific blockchain
+ *
+ * Temporary solution for domain specific logic for Blockchain.
+ * Instead of creating repositories and unnecessary and overkill use cases
+ */
+object BlockchainUtils {
+
+    private const val XRP_X_ADDRESS = 'X'
+
+    /** Decodes XRP Blockchain address */
+    fun decodeRippleXAddress(xAddress: String, networkId: String): XrpTaggedAddress? {
+        return if (networkId == Blockchain.XRP.id && xAddress.firstOrNull() == XRP_X_ADDRESS) {
+            val decodedAddress = XrpAddressService.decodeXAddress(xAddress)
+            return decodedAddress?.let(XrpTaggedAddressConverter()::convert)
+        } else {
+            null
+        }
+    }
+}

libs/crypto/src/main/java/com/tangem/lib/crypto/converter/XrpTaggedAddressConverter.kt

@@ -0,0 +1,15 @@
+package com.tangem.lib.crypto.converter
+
+import com.tangem.lib.crypto.models.XrpTaggedAddress
+import com.tangem.utils.converter.Converter
+import com.tangem.blockchain.blockchains.xrp.XrpTaggedAddress as BlockchainXrpTaggedAddress
+
+internal class XrpTaggedAddressConverter : Converter<BlockchainXrpTaggedAddress, XrpTaggedAddress> {
+
+    override fun convert(value: BlockchainXrpTaggedAddress): XrpTaggedAddress {
+        return XrpTaggedAddress(
+            address = value.address,
+            destinationTag = value.destinationTag,
+        )
+    }
+}

libs/crypto/src/main/java/com/tangem/lib/crypto/models/XrpTaggedAddress.kt

@@ -0,0 +1,6 @@
+package com.tangem.lib.crypto.models
+
+data class XrpTaggedAddress(
+    val address: String,
+    val destinationTag: Long?,
+)