Updated on 2026-08-14

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

@@ -0,0 +1,8 @@
+package com.tangem.crypto
+
+interface DerivationManager {
+
+    fun deriveMissingBlockchains(networkId: String?)
+
+    fun hasDerivation(): Boolean
+}

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

@@ -0,0 +1,40 @@
+package com.tangem.crypto
+
+import com.tangem.crypto.models.Token
+
+/**
+ * Provider for user tokens data
+ */
+interface UserWalletManager {
+
+    /**
+     * Returns all user tokens (merged from local and backend)
+     */
+    fun getUserTokens(): List<Token>
+
+    /**
+     * Returns user walletId
+     */
+    fun getWalletId(): String
+
+    /**
+     * Checks that token added to user wallet
+     *
+     * @param token to receive referral payments
+     */
+    fun isTokenAdded(token: Token): Boolean
+
+    /**
+     * Adds token to wallet if its not
+     *
+     * @param token to add to wallet
+     */
+    fun addToken(token: Token)
+
+    /**
+     * Returns wallet public address for token
+     *
+     * @param token for which find address
+     */
+    fun getWalletAddress(token: Token): String
+}

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

@@ -0,0 +1,10 @@
+package com.tangem.crypto.models
+
+data class Token(
+    val id: String,
+    val name: String,
+    val symbol: String,
+    val networkId: String?,
+    val contractAddress: String?,
+    val decimalCount: Int?,
+)