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Updated on 2026-08-14

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Tangem 2022-06-21 18:43:23 +04:00
commit 787430e840
1 changed files with 16 additions and 0 deletions
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app/src/main/java/com/tangem/tap/domain/walletconnect/WalletConnectRepository.kt
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@ -5,11 +5,15 @@ import android.content.Context
import com.squareup.moshi.JsonAdapter
import com.squareup.moshi.JsonClass
import com.squareup.moshi.Types
import com.tangem.common.extensions.hexToBytes
import com.tangem.common.extensions.toHexString
import com.tangem.network.common.MoshiConverter
import com.tangem.tap.features.details.redux.walletconnect.WalletConnectSession
import com.tangem.tap.features.details.redux.walletconnect.WalletForSession
import com.trustwallet.walletconnect.models.WCPeerMeta
import com.trustwallet.walletconnect.models.session.WCSession
import timber.log.Timber
import java.nio.charset.Charset
class WalletConnectRepository(val context: Application) {
private val moshi = MoshiConverter.defaultMoshi()
@ -35,17 +39,29 @@ class WalletConnectRepository(val context: Application) {
fun loadSavedSessions(): List<WalletConnectSession> {
return try {
val json = context.readFileText(FILE_NAME_PREFIX_SESSIONS)
.hexToUtf8()
walletConnectAdapter.fromJson(json)!!.map { it.toSession() }
} catch (exception: Exception) {
Timber.e(exception)
emptyList()
}
}
private fun saveSessions(sessions: List<WalletConnectSession>) {
val json = walletConnectAdapter.toJson(sessions.map { SessionDao.fromSession(it) })
.utf8ToHex() // convert to hex to solve problems with saving text with emojis
Timber.e("WC sessions, saving following json: $json")
context.rewriteFile(json, FILE_NAME_PREFIX_SESSIONS)
}
private fun String.utf8ToHex(): String {
return this.toByteArray().toHexString()
}
private fun String.hexToUtf8(): String {
return this.hexToBytes().toString(Charset.defaultCharset())
}
private fun Context.readFileText(fileName: String): String =
this.openFileInput(fileName).bufferedReader().readText()