1 files changed, 151 insertions, 0 deletions
diff --git a/wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/exchange/ExchangeRecord.kt b/wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/exchange/ExchangeRecord.kt
new file mode 100644
index 0000000..9bfd649
--- /dev/null
+++ b/wallet/src/commonMain/kotlin/net/taler/wallet/kotlin/exchange/ExchangeRecord.kt
@@ -0,0 +1,151 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.kotlin.exchange
+
+import net.taler.wallet.kotlin.Timestamp
+
+/**
+ * Exchange record as stored in the wallet's database.
+ */
+data class ExchangeRecord(
+    /**
+     * Base url of the exchange.
+     */
+    val baseUrl: String,
+
+    /**
+     * Did we finish adding the exchange?
+     */
+    val addComplete: Boolean = false,
+
+    /**
+     * Was the exchange added as a built-in exchange?
+     */
+    val builtIn: Boolean = false,
+
+    /**
+     * Details, once known.
+     */
+    val details: ExchangeDetails? = null,
+
+    /**
+     * Mapping from wire method type to the wire fee.
+     */
+    val wireInfo: ExchangeWireInfo? = null,
+
+    /**
+     * When was the exchange added to the wallet?
+     */
+    val timestampAdded: Timestamp,
+
+    /**
+     * Terms of service text or undefined if not downloaded yet.
+     */
+    val termsOfServiceText: String? = null,
+
+    /**
+     * ETag for last terms of service download.
+     */
+    val termsOfServiceLastEtag: String? = null,
+
+    /**
+     * ETag for last terms of service download.
+     */
+    val termsOfServiceAcceptedEtag: String? = null,
+
+    /**
+     * ETag for last terms of service download.
+     */
+    val termsOfServiceAcceptedTimestamp: Timestamp? = null,
+
+    /**
+     * Time when the update to the exchange has been started or
+     * undefined if no update is in progress.
+     */
+    val updateStarted: Timestamp? = null,
+
+    val updateStatus: ExchangeUpdateStatus,
+
+    val updateReason: ExchangeUpdateReason? = null
+) {
+    init {
+        check(baseUrl == Exchange.normalizeUrl(baseUrl)) { "Base URL was not normalized" }
+    }
+
+    val termsOfServiceAccepted: Boolean
+        get() = termsOfServiceAcceptedTimestamp != null && termsOfServiceAcceptedEtag == termsOfServiceLastEtag
+}
+
+/**
+ * Details about the exchange that we only know after querying /keys and /wire.
+ */
+data class ExchangeDetails(
+    /**
+     * Master public key of the exchange.
+     */
+    val masterPublicKey: String,
+
+    /**
+     * Auditors (partially) auditing the exchange.
+     */
+    val auditors: List<Auditor>,
+
+    /**
+     * Currency that the exchange offers.
+     */
+    val currency: String,
+
+    /**
+     * Last observed protocol version.
+     */
+    val protocolVersion: String,
+
+    /**
+     * Signing keys we got from the exchange, can also contain
+     * older signing keys that are not returned by /keys anymore.
+     */
+    val signingKeys: List<SigningKey>,
+
+    /**
+     * Timestamp for last update.
+     */
+    val lastUpdateTime: Timestamp
+)
+
+data class ExchangeWireInfo(
+    val feesForType: Map<String, List<WireFee>>,
+    val accounts: List<ExchangeBankAccount>
+)
+
+// TODO is this class needed?
+data class ExchangeBankAccount(
+    val paytoUri: String
+)
+
+sealed class ExchangeUpdateStatus(val value: String) {
+    object FetchKeys : ExchangeUpdateStatus("fetch-keys")
+    object FetchWire : ExchangeUpdateStatus("fetch-wire")
+    object FetchTerms : ExchangeUpdateStatus("fetch-terms")
+    object FinalizeUpdate : ExchangeUpdateStatus("finalize-update")
+    object Finished : ExchangeUpdateStatus("finished")
+}
+
+sealed class ExchangeUpdateReason(val value: String) {
+    object Initial : ExchangeUpdateReason("initial")
+    object Forced : ExchangeUpdateReason("forced")
+    object Scheduled : ExchangeUpdateReason("scheduled")
+}