Updated on 2026-08-14

data/wallet-connect/src/main/kotlin/com/tangem/data/walletconnect/pair/DefaultWcPairService.kt

@@ -1,6 +1,5 @@
 package com.tangem.data.walletconnect.pair
 
-import androidx.core.net.toUri
 import com.tangem.domain.walletconnect.WcPairService
 import com.tangem.domain.walletconnect.model.WcPairRequest
 import com.tangem.domain.walletconnect.repository.WcSessionsManager
@@ -38,8 +37,19 @@ class DefaultWcPairService @Inject constructor(
     }
 
     private suspend fun existSessionTopic(uri: String) = runCatching {
-        val sessionTopic = uri.toUri().getQueryParameter("sessionTopic") ?: return@runCatching false
+        val deeplinkRegex = Regex(WC_PARAM_REGEX)
+        val matched = deeplinkRegex.findAll(uri)
+        val sessionTopic = matched
+            .firstOrNull { it.value.contains(WC_TOPIC_QUERY_NAME) }
+            ?.groupValues
+            ?.lastOrNull()
+            ?: return@runCatching false
         val isExistSession = sessionsManager.findSessionByTopic(sessionTopic) != null
         return@runCatching isExistSession
     }
+
+    private companion object {
+        const val WC_TOPIC_QUERY_NAME = "sessionTopic"
+        const val WC_PARAM_REGEX = "([a-zA-Z\\d-]+)=([a-zA-Z\\d]+)"
+    }
 }

domain/wallet-connect/models/src/main/java/com/tangem/domain/walletconnect/model/WcEthMethod.kt

@@ -13,7 +13,7 @@ sealed interface WcEthMethod : WcMethod {
         val account: String,
         val dataForSign: String,
     ) : WcEthMethod {
-        val humanMsg: String = params.message.orEmpty()
+        val humanMsg: String = params.message?.contents.orEmpty()
     }
 
     data class SendTransaction(

domain/wallet-connect/models/src/main/java/com/tangem/domain/walletconnect/model/WcEthSignTypedDataParams.kt

@@ -6,5 +6,11 @@ import com.squareup.moshi.JsonClass
 @JsonClass(generateAdapter = true)
 data class WcEthSignTypedDataParams(
     @Json(name = "message")
-    val message: String?,
+    val message: Message?,
-)
+) {
+    @JsonClass(generateAdapter = true)
+    data class Message(
+        @Json(name = "contents")
+        val contents: String?,
+    )
+}