1 files changed, 49 insertions, 2 deletions
diff --git a/src/commonMain/kotlin/net/taler/wallet/kotlin/WalletApi.kt b/src/commonMain/kotlin/net/taler/wallet/kotlin/WalletApi.kt
index 61a3a1a..11fd181 100644
--- a/src/commonMain/kotlin/net/taler/wallet/kotlin/WalletApi.kt
+++ b/src/commonMain/kotlin/net/taler/wallet/kotlin/WalletApi.kt
@@ -16,13 +16,25 @@
 
 package net.taler.wallet.kotlin
 
+import io.ktor.client.HttpClient
+import net.taler.wallet.kotlin.crypto.Crypto
+import net.taler.wallet.kotlin.crypto.CryptoFactory
+import net.taler.wallet.kotlin.crypto.Signature
+import net.taler.wallet.kotlin.exchange.Exchange
+import net.taler.wallet.kotlin.exchange.ExchangeListItem
+import net.taler.wallet.kotlin.exchange.GetExchangeTosResult
 import net.taler.wallet.kotlin.operations.Withdraw
 import net.taler.wallet.kotlin.operations.WithdrawalDetails
 import net.taler.wallet.kotlin.operations.WithdrawalDetailsForUri
 
 public class WalletApi {
 
-    private val withdrawManager = Withdraw()
+    private val httpClient: HttpClient = getDefaultHttpClient()
+    private val db: Db = DbFactory().openDb()
+    private val crypto: Crypto = CryptoFactory.getCrypto()
+    private val signature: Signature = Signature(crypto)
+    private val exchangeManager: Exchange = Exchange(crypto, signature, httpClient, db = db)
+    private val withdrawManager = Withdraw(httpClient, db, crypto, signature, exchangeManager)
 
     public fun getVersions(): SupportedVersions {
         return SupportedVersions(
@@ -42,7 +54,10 @@ public class WalletApi {
         )
     }
 
-    public suspend fun getWithdrawalDetailsForAmount(exchangeBaseUrl: String, amount: Amount): WithdrawalDetails {
+    public suspend fun getWithdrawalDetailsForAmount(
+        exchangeBaseUrl: String,
+        amount: Amount
+    ): WithdrawalDetails {
         val details = withdrawManager.getWithdrawalDetails(exchangeBaseUrl, amount)
         return WithdrawalDetails(
             tosAccepted = details.exchange.termsOfServiceAccepted,
@@ -51,4 +66,36 @@ public class WalletApi {
         )
     }
 
+    public suspend fun listExchanges(): List<ExchangeListItem> {
+        return db.listExchanges().mapNotNull { exchange ->
+            ExchangeListItem.fromExchangeRecord(exchange)
+        }
+    }
+
+    public suspend fun addExchange(exchangeBaseUrl: String): ExchangeListItem {
+        val exchange = exchangeManager.updateFromUrl(exchangeBaseUrl)
+        db.put(exchange)
+        return ExchangeListItem.fromExchangeRecord(exchange) ?: TODO("error handling")
+    }
+
+    public suspend fun getExchangeTos(exchangeBaseUrl: String): GetExchangeTosResult {
+        val record = db.getExchangeByBaseUrl(exchangeBaseUrl) ?: TODO("error handling")
+        return GetExchangeTosResult(
+            tos = record.termsOfServiceText ?: TODO("error handling"),
+            currentEtag = record.termsOfServiceLastEtag ?: TODO("error handling"),
+            acceptedEtag = record.termsOfServiceAcceptedEtag
+        )
+    }
+
+    public suspend fun setExchangeTosAccepted(exchangeBaseUrl: String, acceptedEtag: String) {
+        db.transaction {
+            val record = getExchangeByBaseUrl(exchangeBaseUrl) ?: TODO("error handling")
+            val updatedRecord = record.copy(
+                termsOfServiceAcceptedEtag = acceptedEtag,
+                termsOfServiceAcceptedTimestamp = Timestamp.now()
+            )
+            put(updatedRecord)
+        }
+    }
+
 }