[wallet] rename history to transactions

7 files changed, 1097 insertions, 0 deletions

diff --git a/wallet/src/main/java/net/taler/wallet/transactions/JsonDialogFragment.kt b/wallet/src/main/java/net/taler/wallet/transactions/JsonDialogFragment.kt
new file mode 100644
index 0000000..4139da8
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/transactions/JsonDialogFragment.kt
@@ -0,0 +1,57 @@
+/*
+ * 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.transactions
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.view.ViewGroup.LayoutParams.MATCH_PARENT
+import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
+import androidx.fragment.app.DialogFragment
+import kotlinx.android.synthetic.main.fragment_json.*
+import net.taler.wallet.R
+
+class JsonDialogFragment : DialogFragment() {
+
+    companion object {
+        fun new(json: String): JsonDialogFragment {
+            return JsonDialogFragment().apply {
+                arguments = Bundle().apply { putString("json", json) }
+            }
+        }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_json, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        val json = arguments!!.getString("json")
+        jsonView.text = json
+    }
+
+    override fun onStart() {
+        super.onStart()
+        dialog?.window?.setLayout(MATCH_PARENT, WRAP_CONTENT)
+    }
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/ReserveTransaction.kt b/wallet/src/main/java/net/taler/wallet/transactions/ReserveTransaction.kt
new file mode 100644
index 0000000..e497e9a
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/transactions/ReserveTransaction.kt
@@ -0,0 +1,59 @@
+/*
+ * 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.transactions
+
+import com.fasterxml.jackson.annotation.JsonProperty
+import com.fasterxml.jackson.annotation.JsonSubTypes
+import com.fasterxml.jackson.annotation.JsonTypeInfo
+import com.fasterxml.jackson.annotation.JsonTypeInfo.As.PROPERTY
+import com.fasterxml.jackson.annotation.JsonTypeInfo.Id.NAME
+import com.fasterxml.jackson.annotation.JsonTypeName
+import net.taler.common.Timestamp
+
+
+@JsonTypeInfo(
+    use = NAME,
+    include = PROPERTY,
+    property = "type"
+)
+@JsonSubTypes(
+    JsonSubTypes.Type(value = ReserveDepositTransaction::class, name = "DEPOSIT")
+)
+abstract class ReserveTransaction
+
+
+@JsonTypeName("DEPOSIT")
+class ReserveDepositTransaction(
+    /**
+     * Amount withdrawn.
+     */
+    val amount: String,
+    /**
+     * Sender account payto://-URL
+     */
+    @JsonProperty("sender_account_url")
+    val senderAccountUrl: String,
+    /**
+     * Transfer details uniquely identifying the transfer.
+     */
+    @JsonProperty("wire_reference")
+    val wireReference: String,
+    /**
+     * Timestamp of the incoming wire transfer.
+     */
+    val timestamp: Timestamp
+) : ReserveTransaction()
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/Transaction.kt b/wallet/src/main/java/net/taler/wallet/transactions/Transaction.kt
new file mode 100644
index 0000000..5fcabe7
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/transactions/Transaction.kt
@@ -0,0 +1,459 @@
+/*
+ * 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.transactions
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.LayoutRes
+import androidx.annotation.StringRes
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties
+import com.fasterxml.jackson.annotation.JsonInclude
+import com.fasterxml.jackson.annotation.JsonInclude.Include.NON_EMPTY
+import com.fasterxml.jackson.annotation.JsonProperty
+import com.fasterxml.jackson.annotation.JsonSubTypes
+import com.fasterxml.jackson.annotation.JsonSubTypes.Type
+import com.fasterxml.jackson.annotation.JsonTypeInfo
+import com.fasterxml.jackson.annotation.JsonTypeInfo.As.PROPERTY
+import com.fasterxml.jackson.annotation.JsonTypeInfo.Id.NAME
+import com.fasterxml.jackson.annotation.JsonTypeName
+import net.taler.common.Amount
+import net.taler.common.Timestamp
+import net.taler.wallet.R
+import org.json.JSONObject
+
+enum class ReserveType {
+    /**
+     * Manually created.
+     */
+    @JsonProperty("manual")
+    MANUAL,
+
+    /**
+     * Withdrawn from a bank that has "tight" Taler integration
+     */
+    @JsonProperty("taler-bank-withdraw")
+    @Suppress("unused")
+    TALER_BANK_WITHDRAW,
+}
+
+@JsonInclude(NON_EMPTY)
+class ReserveCreationDetail(val type: ReserveType, val bankUrl: String?)
+
+enum class RefreshReason {
+    @JsonProperty("manual")
+    @Suppress("unused")
+    MANUAL,
+
+    @JsonProperty("pay")
+    PAY,
+
+    @JsonProperty("refund")
+    @Suppress("unused")
+    REFUND,
+
+    @JsonProperty("abort-pay")
+    @Suppress("unused")
+    ABORT_PAY,
+
+    @JsonProperty("recoup")
+    @Suppress("unused")
+    RECOUP,
+
+    @JsonProperty("backup-restored")
+    @Suppress("unused")
+    BACKUP_RESTORED
+}
+
+@JsonInclude(NON_EMPTY)
+class ReserveShortInfo(
+    /**
+     * The exchange that the reserve will be at.
+     */
+    val exchangeBaseUrl: String,
+    /**
+     * Key to query more details
+     */
+    val reservePub: String,
+    /**
+     * Detail about how the reserve has been created.
+     */
+    val reserveCreationDetail: ReserveCreationDetail
+)
+
+typealias Transactions = ArrayList<Transaction>
+
+@JsonTypeInfo(
+    use = NAME,
+    include = PROPERTY,
+    property = "type",
+    defaultImpl = UnknownTransaction::class
+)
+/** missing:
+AuditorComplaintSent = "auditor-complained-sent",
+AuditorComplaintProcessed = "auditor-complaint-processed",
+AuditorTrustAdded = "auditor-trust-added",
+AuditorTrustRemoved = "auditor-trust-removed",
+ExchangeTermsAccepted = "exchange-terms-accepted",
+ExchangePolicyChanged = "exchange-policy-changed",
+ExchangeTrustAdded = "exchange-trust-added",
+ExchangeTrustRemoved = "exchange-trust-removed",
+FundsDepositedToSelf = "funds-deposited-to-self",
+FundsRecouped = "funds-recouped",
+ReserveCreated = "reserve-created",
+ */
+@JsonSubTypes(
+    Type(value = ExchangeAddedEvent::class, name = "exchange-added"),
+    Type(value = ExchangeUpdatedEvent::class, name = "exchange-updated"),
+    Type(value = ReserveBalanceUpdatedTransaction::class, name = "reserve-balance-updated"),
+    Type(value = WithdrawTransaction::class, name = "withdrawn"),
+    Type(value = OrderAcceptedTransaction::class, name = "order-accepted"),
+    Type(value = OrderRefusedTransaction::class, name = "order-refused"),
+    Type(value = OrderRedirectedTransaction::class, name = "order-redirected"),
+    Type(value = PaymentTransaction::class, name = "payment-sent"),
+    Type(value = PaymentAbortedTransaction::class, name = "payment-aborted"),
+    Type(value = TipAcceptedTransaction::class, name = "tip-accepted"),
+    Type(value = TipDeclinedTransaction::class, name = "tip-declined"),
+    Type(value = RefundTransaction::class, name = "refund"),
+    Type(value = RefreshTransaction::class, name = "refreshed")
+)
+@JsonIgnoreProperties(
+    value = [
+        "eventId"
+    ]
+)
+abstract class Transaction(
+    val timestamp: Timestamp,
+    @get:LayoutRes
+    open val layout: Int = R.layout.transaction_row,
+    @get:LayoutRes
+    open val detailPageLayout: Int = 0,
+    @get:StringRes
+    open val title: Int = 0,
+    @get:DrawableRes
+    open val icon: Int = R.drawable.ic_account_balance,
+    open val showToUser: Boolean = false
+) {
+    open lateinit var json: JSONObject
+}
+
+
+class UnknownTransaction(timestamp: Timestamp) : Transaction(timestamp) {
+    override val title = R.string.transaction_unknown
+}
+
+@JsonTypeName("exchange-added")
+class ExchangeAddedEvent(
+    timestamp: Timestamp,
+    val exchangeBaseUrl: String,
+    val builtIn: Boolean
+) : Transaction(timestamp) {
+    override val title = R.string.history_event_exchange_added
+}
+
+@JsonTypeName("exchange-updated")
+class ExchangeUpdatedEvent(
+    timestamp: Timestamp,
+    val exchangeBaseUrl: String
+) : Transaction(timestamp) {
+    override val title = R.string.history_event_exchange_updated
+}
+
+
+@JsonTypeName("reserve-balance-updated")
+class ReserveBalanceUpdatedTransaction(
+    timestamp: Timestamp,
+    /**
+     * Condensed information about the reserve.
+     */
+    val reserveShortInfo: ReserveShortInfo,
+    /**
+     * Amount currently left in the reserve.
+     */
+    val reserveBalance: Amount,
+    /**
+     * Amount we expected to be in the reserve at that time,
+     * considering ongoing withdrawals from that reserve.
+     */
+    val reserveAwaitedAmount: Amount,
+    /**
+     * Amount that hasn't been withdrawn yet.
+     */
+    val reserveUnclaimedAmount: Amount
+) : Transaction(timestamp) {
+    override val title = R.string.transaction_reserve_balance_updated
+}
+
+@JsonTypeName("withdrawn")
+class WithdrawTransaction(
+    timestamp: Timestamp,
+    /**
+     * Exchange that was withdrawn from.
+     */
+    val exchangeBaseUrl: String,
+    /**
+     * Unique identifier for the withdrawal session, can be used to
+     * query more detailed information from the wallet.
+     */
+    val withdrawalGroupId: String,
+    val withdrawalSource: WithdrawalSource,
+    /**
+     * Amount that has been subtracted from the reserve's balance
+     * for this withdrawal.
+     */
+    val amountWithdrawnRaw: Amount,
+    /**
+     * Amount that actually was added to the wallet's balance.
+     */
+    val amountWithdrawnEffective: Amount
+) : Transaction(timestamp) {
+    override val layout = R.layout.transaction_in
+    override val detailPageLayout = R.layout.fragment_event_withdraw
+    override val title = R.string.transaction_withdrawal
+    override val icon = R.drawable.transaction_withdrawal
+    override val showToUser = true
+}
+
+@JsonTypeName("order-accepted")
+class OrderAcceptedTransaction(
+    timestamp: Timestamp,
+    /**
+     * Condensed info about the order.
+     */
+    val orderShortInfo: OrderShortInfo
+) : Transaction(timestamp) {
+    override val icon = R.drawable.ic_add_circle
+    override val title = R.string.transaction_order_accepted
+}
+
+@JsonTypeName("order-refused")
+class OrderRefusedTransaction(
+    timestamp: Timestamp,
+    /**
+     * Condensed info about the order.
+     */
+    val orderShortInfo: OrderShortInfo
+) : Transaction(timestamp) {
+    override val icon = R.drawable.ic_cancel
+    override val title = R.string.transaction_order_refused
+}
+
+@JsonTypeName("payment-sent")
+class PaymentTransaction(
+    timestamp: Timestamp,
+    /**
+     * Condensed info about the order that we already paid for.
+     */
+    val orderShortInfo: OrderShortInfo,
+    /**
+     * Set to true if the payment has been previously sent
+     * to the merchant successfully, possibly with a different session ID.
+     */
+    val replay: Boolean,
+    /**
+     * Number of coins that were involved in the payment.
+     */
+    val numCoins: Int,
+    /**
+     * Amount that was paid, including deposit and wire fees.
+     */
+    val amountPaidWithFees: Amount,
+    /**
+     * Session ID that the payment was (re-)submitted under.
+     */
+    val sessionId: String?
+) : Transaction(timestamp) {
+    override val layout = R.layout.transaction_out
+    override val detailPageLayout = R.layout.fragment_event_paid
+    override val title = R.string.transaction_payment
+    override val icon = R.drawable.ic_cash_usd_outline
+    override val showToUser = true
+}
+
+@JsonTypeName("payment-aborted")
+class PaymentAbortedTransaction(
+    timestamp: Timestamp,
+    /**
+     * Condensed info about the order that we already paid for.
+     */
+    val orderShortInfo: OrderShortInfo,
+    /**
+     * Amount that was lost due to refund and refreshing fees.
+     */
+    val amountLost: Amount
+) : Transaction(timestamp) {
+    override val layout = R.layout.transaction_out
+    override val title = R.string.transaction_payment_aborted
+    override val icon = R.drawable.transaction_payment_aborted
+    override val showToUser = true
+}
+
+@JsonTypeName("refreshed")
+class RefreshTransaction(
+    timestamp: Timestamp,
+    /**
+     * Amount that is now available again because it has
+     * been refreshed.
+     */
+    val amountRefreshedEffective: Amount,
+    /**
+     * Amount that we spent for refreshing.
+     */
+    val amountRefreshedRaw: Amount,
+    /**
+     * Why was the refreshing done?
+     */
+    val refreshReason: RefreshReason,
+    val numInputCoins: Int,
+    val numRefreshedInputCoins: Int,
+    val numOutputCoins: Int,
+    /**
+     * Identifier for a refresh group, contains one or
+     * more refresh session IDs.
+     */
+    val refreshGroupId: String
+) : Transaction(timestamp) {
+    override val layout = R.layout.transaction_out
+    override val icon = R.drawable.transaction_refresh
+    override val title = R.string.transaction_refresh
+    override val showToUser = !(amountRefreshedRaw - amountRefreshedEffective).isZero()
+}
+
+@JsonTypeName("order-redirected")
+class OrderRedirectedTransaction(
+    timestamp: Timestamp,
+    /**
+     * Condensed info about the new order that contains a
+     * product (identified by the fulfillment URL) that we've already paid for.
+     */
+    val newOrderShortInfo: OrderShortInfo,
+    /**
+     * Condensed info about the order that we already paid for.
+     */
+    val alreadyPaidOrderShortInfo: OrderShortInfo
+) : Transaction(timestamp) {
+    override val icon = R.drawable.ic_directions
+    override val title = R.string.transaction_order_redirected
+}
+
+@JsonTypeName("tip-accepted")
+class TipAcceptedTransaction(
+    timestamp: Timestamp,
+    /**
+     * Unique identifier for the tip to query more information.
+     */
+    val tipId: String,
+    /**
+     * Raw amount of the tip, without extra fees that apply.
+     */
+    val tipRaw: Amount
+) : Transaction(timestamp) {
+    override val icon = R.drawable.transaction_tip_accepted
+    override val title = R.string.transaction_tip_accepted
+    override val layout = R.layout.transaction_in
+    override val showToUser = true
+}
+
+@JsonTypeName("tip-declined")
+class TipDeclinedTransaction(
+    timestamp: Timestamp,
+    /**
+     * Unique identifier for the tip to query more information.
+     */
+    val tipId: String,
+    /**
+     * Raw amount of the tip, without extra fees that apply.
+     */
+    val tipAmount: Amount
+) : Transaction(timestamp) {
+    override val icon = R.drawable.transaction_tip_declined
+    override val title = R.string.transaction_tip_declined
+    override val layout = R.layout.transaction_in
+    override val showToUser = true
+}
+
+@JsonTypeName("refund")
+class RefundTransaction(
+    timestamp: Timestamp,
+    val orderShortInfo: OrderShortInfo,
+    /**
+     * Unique identifier for this refund.
+     * (Identifies multiple refund permissions that were obtained at once.)
+     */
+    val refundGroupId: String,
+    /**
+     * Part of the refund that couldn't be applied because
+     * the refund permissions were expired.
+     */
+    val amountRefundedInvalid: Amount,
+    /**
+     * Amount that has been refunded by the merchant.
+     */
+    val amountRefundedRaw: Amount,
+    /**
+     * Amount will be added to the wallet's balance after fees and refreshing.
+     */
+    val amountRefundedEffective: Amount
+) : Transaction(timestamp) {
+    override val icon = R.drawable.transaction_refund
+    override val title = R.string.transaction_refund
+    override val layout = R.layout.transaction_in
+    override val detailPageLayout = R.layout.fragment_event_paid
+    override val showToUser = true
+}
+
+@JsonTypeInfo(
+    use = NAME,
+    include = PROPERTY,
+    property = "type"
+)
+@JsonSubTypes(
+    Type(value = WithdrawalSourceReserve::class, name = "reserve")
+)
+abstract class WithdrawalSource
+
+@Suppress("unused")
+@JsonTypeName("tip")
+class WithdrawalSourceTip(
+    val tipId: String
+) : WithdrawalSource()
+
+@JsonTypeName("reserve")
+class WithdrawalSourceReserve(
+    val reservePub: String
+) : WithdrawalSource()
+
+data class OrderShortInfo(
+    /**
+     * Wallet-internal identifier of the proposal.
+     */
+    val proposalId: String,
+    /**
+     * Order ID, uniquely identifies the order within a merchant instance.
+     */
+    val orderId: String,
+    /**
+     * Base URL of the merchant.
+     */
+    val merchantBaseUrl: String,
+    /**
+     * Amount that must be paid for the contract.
+     */
+    val amount: Amount,
+    /**
+     * Summary of the proposal, given by the merchant.
+     */
+    val summary: String
+)
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/TransactionAdapter.kt b/wallet/src/main/java/net/taler/wallet/transactions/TransactionAdapter.kt
new file mode 100644
index 0000000..beebcda
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/transactions/TransactionAdapter.kt
@@ -0,0 +1,199 @@
+/*
+ * 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.transactions
+
+import android.content.Context
+import android.graphics.Paint.STRIKE_THRU_TEXT_FLAG
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.annotation.CallSuper
+import androidx.recyclerview.widget.RecyclerView.Adapter
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import net.taler.common.toRelativeTime
+import net.taler.wallet.R
+import net.taler.wallet.cleanExchange
+import net.taler.wallet.transactions.TransactionAdapter.TransactionViewHolder
+
+
+internal class TransactionAdapter(
+    private val devMode: Boolean,
+    private val listener: OnEventClickListener,
+    private var transactions: Transactions = Transactions()
+) : Adapter<TransactionViewHolder>() {
+
+    init {
+        setHasStableIds(false)
+    }
+
+    override fun getItemViewType(position: Int): Int = transactions[position].layout
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TransactionViewHolder {
+        val view = LayoutInflater.from(parent.context).inflate(viewType, parent, false)
+        return when (viewType) {
+            R.layout.transaction_in -> TransactionInViewHolder(view)
+            R.layout.transaction_out -> TransactionOutViewHolder(view)
+            else -> GenericTransactionViewHolder(view)
+        }
+    }
+
+    override fun getItemCount(): Int = transactions.size
+
+    override fun onBindViewHolder(holder: TransactionViewHolder, position: Int) {
+        val event = transactions[position]
+        holder.bind(event)
+    }
+
+    fun update(updatedTransactions: Transactions) {
+        this.transactions = updatedTransactions
+        this.notifyDataSetChanged()
+    }
+
+    internal abstract inner class TransactionViewHolder(private val v: View) : ViewHolder(v) {
+
+        protected val context: Context = v.context
+        private val icon: ImageView = v.findViewById(R.id.icon)
+        protected val title: TextView = v.findViewById(R.id.title)
+        private val time: TextView = v.findViewById(R.id.time)
+        private val selectableBackground = v.background
+
+        @CallSuper
+        open fun bind(event: Transaction) {
+            if (devMode || event.detailPageLayout != 0) {
+                v.background = selectableBackground
+                v.setOnClickListener { listener.onEventClicked(event) }
+            } else {
+                v.background = null
+                v.setOnClickListener(null)
+            }
+            icon.setImageResource(event.icon)
+            if (event.title == 0) title.text = event::class.java.simpleName
+            else title.setText(event.title)
+            time.text = event.timestamp.ms.toRelativeTime(context)
+        }
+
+    }
+
+    internal inner class GenericTransactionViewHolder(v: View) : TransactionViewHolder(v) {
+
+        private val info: TextView = v.findViewById(R.id.info)
+
+        override fun bind(transaction: Transaction) {
+            super.bind(transaction)
+            info.text = when (transaction) {
+                is ExchangeAddedEvent -> cleanExchange(transaction.exchangeBaseUrl)
+                is ExchangeUpdatedEvent -> cleanExchange(transaction.exchangeBaseUrl)
+                is ReserveBalanceUpdatedTransaction -> transaction.reserveBalance.toString()
+                is PaymentTransaction -> transaction.orderShortInfo.summary
+                is OrderAcceptedTransaction -> transaction.orderShortInfo.summary
+                is OrderRefusedTransaction -> transaction.orderShortInfo.summary
+                is OrderRedirectedTransaction -> transaction.newOrderShortInfo.summary
+                else -> ""
+            }
+        }
+
+    }
+
+    internal inner class TransactionInViewHolder(v: View) : TransactionViewHolder(v) {
+
+        private val summary: TextView = v.findViewById(R.id.summary)
+        private val amountWithdrawn: TextView = v.findViewById(R.id.amountWithdrawn)
+        private val paintFlags = amountWithdrawn.paintFlags
+
+        override fun bind(event: Transaction) {
+            super.bind(event)
+            when (event) {
+                is WithdrawTransaction -> bind(event)
+                is RefundTransaction -> bind(event)
+                is TipAcceptedTransaction -> bind(event)
+                is TipDeclinedTransaction -> bind(event)
+            }
+        }
+
+        private fun bind(event: WithdrawTransaction) {
+            summary.text = cleanExchange(event.exchangeBaseUrl)
+            amountWithdrawn.text =
+                context.getString(R.string.amount_positive, event.amountWithdrawnEffective)
+            amountWithdrawn.paintFlags = paintFlags
+        }
+
+        private fun bind(event: RefundTransaction) {
+            summary.text = event.orderShortInfo.summary
+            amountWithdrawn.text =
+                context.getString(R.string.amount_positive, event.amountRefundedEffective)
+            amountWithdrawn.paintFlags = paintFlags
+        }
+
+        private fun bind(transaction: TipAcceptedTransaction) {
+            summary.text = null
+            amountWithdrawn.text = context.getString(R.string.amount_positive, transaction.tipRaw)
+            amountWithdrawn.paintFlags = paintFlags
+        }
+
+        private fun bind(transaction: TipDeclinedTransaction) {
+            summary.text = null
+            amountWithdrawn.text = context.getString(R.string.amount_positive, transaction.tipAmount)
+            amountWithdrawn.paintFlags = amountWithdrawn.paintFlags or STRIKE_THRU_TEXT_FLAG
+        }
+
+    }
+
+    internal inner class TransactionOutViewHolder(v: View) : TransactionViewHolder(v) {
+
+        private val summary: TextView = v.findViewById(R.id.summary)
+        private val amountPaidWithFees: TextView = v.findViewById(R.id.amountPaidWithFees)
+
+        override fun bind(event: Transaction) {
+            super.bind(event)
+            when (event) {
+                is PaymentTransaction -> bind(event)
+                is PaymentAbortedTransaction -> bind(event)
+                is RefreshTransaction -> bind(event)
+            }
+        }
+
+        private fun bind(event: PaymentTransaction) {
+            summary.text = event.orderShortInfo.summary
+            amountPaidWithFees.text =
+                context.getString(R.string.amount_negative, event.amountPaidWithFees)
+        }
+
+        private fun bind(transaction: PaymentAbortedTransaction) {
+            summary.text = transaction.orderShortInfo.summary
+            amountPaidWithFees.text = context.getString(R.string.amount_negative, transaction.amountLost)
+        }
+
+        private fun bind(event: RefreshTransaction) {
+            val res = when (event.refreshReason) {
+                RefreshReason.MANUAL -> R.string.transaction_refresh_reason_manual
+                RefreshReason.PAY -> R.string.transaction_refresh_reason_pay
+                RefreshReason.REFUND -> R.string.transaction_refresh_reason_refund
+                RefreshReason.ABORT_PAY -> R.string.transaction_refresh_reason_abort_pay
+                RefreshReason.RECOUP -> R.string.transaction_refresh_reason_recoup
+                RefreshReason.BACKUP_RESTORED -> R.string.transaction_refresh_reason_backup_restored
+            }
+            summary.text = context.getString(res)
+            val fee = event.amountRefreshedRaw - event.amountRefreshedEffective
+            if (fee.isZero()) amountPaidWithFees.text = null
+            else amountPaidWithFees.text = context.getString(R.string.amount_negative, fee)
+        }
+
+    }
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/TransactionDetailFragment.kt b/wallet/src/main/java/net/taler/wallet/transactions/TransactionDetailFragment.kt
new file mode 100644
index 0000000..f198215
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/transactions/TransactionDetailFragment.kt
@@ -0,0 +1,127 @@
+/*
+ * 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.transactions
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import android.widget.Toast.LENGTH_LONG
+import androidx.core.content.ContextCompat.getColor
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import kotlinx.android.synthetic.main.fragment_event_paid.*
+import kotlinx.android.synthetic.main.fragment_event_withdraw.*
+import kotlinx.android.synthetic.main.fragment_event_withdraw.feeView
+import kotlinx.android.synthetic.main.fragment_event_withdraw.timeView
+import net.taler.common.Amount
+import net.taler.common.toAbsoluteTime
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+import net.taler.wallet.cleanExchange
+
+class TransactionDetailFragment : Fragment() {
+
+    private val model: MainViewModel by activityViewModels()
+    private val transactionManager by lazy { model.transactionManager }
+    private val event by lazy { requireNotNull(transactionManager.selectedEvent) }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(model.devMode.value == true)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(event.detailPageLayout, container, false)
+    }
+
+    override fun onActivityCreated(savedInstanceState: Bundle?) {
+        super.onActivityCreated(savedInstanceState)
+        requireActivity().title =
+            getString(if (event.title != 0) event.title else R.string.transactions_detail_title)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        timeView.text = event.timestamp.ms.toAbsoluteTime(requireContext())
+        when (val e = event) {
+            is WithdrawTransaction -> bind(e)
+            is PaymentTransaction -> bind(e)
+            is RefundTransaction -> bind(e)
+            else -> Toast.makeText(
+                requireContext(),
+                "event ${e.javaClass} not implement",
+                LENGTH_LONG
+            ).show()
+        }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.transactions_detail, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            R.id.show_json -> {
+                JsonDialogFragment.new(event.json.toString(2)).show(parentFragmentManager, null)
+                true
+            }
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    private fun bind(event: WithdrawTransaction) {
+        effectiveAmountLabel.text = getString(R.string.withdraw_total)
+        effectiveAmountView.text = event.amountWithdrawnEffective.toString()
+        chosenAmountLabel.text = getString(R.string.amount_chosen)
+        chosenAmountView.text =
+            getString(R.string.amount_positive, event.amountWithdrawnRaw.toString())
+        val fee = event.amountWithdrawnRaw - event.amountWithdrawnEffective
+        feeView.text = getString(R.string.amount_negative, fee.toString())
+        exchangeView.text = cleanExchange(event.exchangeBaseUrl)
+    }
+
+    private fun bind(event: PaymentTransaction) {
+        amountPaidWithFeesView.text = event.amountPaidWithFees.toString()
+        val fee = event.amountPaidWithFees - event.orderShortInfo.amount
+        bindOrderAndFee(event.orderShortInfo, fee)
+    }
+
+    private fun bind(event: RefundTransaction) {
+        amountPaidWithFeesLabel.text = getString(R.string.transaction_refund)
+        amountPaidWithFeesView.setTextColor(getColor(requireContext(), R.color.green))
+        amountPaidWithFeesView.text =
+            getString(R.string.amount_positive, event.amountRefundedEffective.toString())
+        val fee = event.orderShortInfo.amount - event.amountRefundedEffective
+        bindOrderAndFee(event.orderShortInfo, fee)
+    }
+
+    private fun bindOrderAndFee(orderShortInfo: OrderShortInfo, fee: Amount) {
+        orderAmountView.text = orderShortInfo.amount.toString()
+        feeView.text = getString(R.string.amount_negative, fee.toString())
+        orderSummaryView.text = orderShortInfo.summary
+        orderIdView.text =
+            getString(R.string.transaction_order_id, orderShortInfo.orderId)
+    }
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/TransactionManager.kt b/wallet/src/main/java/net/taler/wallet/transactions/TransactionManager.kt
new file mode 100644
index 0000000..c4ab785
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/transactions/TransactionManager.kt
@@ -0,0 +1,83 @@
+/*
+ * 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.transactions
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.asLiveData
+import androidx.lifecycle.switchMap
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.kotlin.readValue
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.channels.awaitClose
+import kotlinx.coroutines.flow.callbackFlow
+import kotlinx.coroutines.flow.onCompletion
+import kotlinx.coroutines.flow.onStart
+import kotlinx.coroutines.launch
+import net.taler.wallet.backend.WalletBackendApi
+
+sealed class TransactionsResult {
+    object Error : TransactionsResult()
+    class Success(val transactions: Transactions) : TransactionsResult()
+}
+
+@Suppress("EXPERIMENTAL_API_USAGE")
+class TransactionManager(
+    private val walletBackendApi: WalletBackendApi,
+    private val mapper: ObjectMapper
+) {
+
+    private val mProgress = MutableLiveData<Boolean>()
+    val progress: LiveData<Boolean> = mProgress
+
+    val showAll = MutableLiveData<Boolean>()
+
+    var selectedEvent: Transaction? = null
+
+    val transactions: LiveData<TransactionsResult> = showAll.switchMap { showAll ->
+        loadTransactions(showAll)
+            .onStart { mProgress.postValue(true) }
+            .onCompletion { mProgress.postValue(false) }
+            .asLiveData(Dispatchers.IO)
+    }
+
+    private fun loadTransactions(showAll: Boolean) = callbackFlow {
+        walletBackendApi.sendRequest("getHistory", null) { isError, result ->
+            launch(Dispatchers.Default) {
+                if (isError) {
+                    offer(TransactionsResult.Error)
+                    close()
+                    return@launch
+                }
+                val transactions = Transactions()
+                val json = result.getJSONArray("history")
+                for (i in 0 until json.length()) {
+                    val event: Transaction = mapper.readValue(json.getString(i))
+                    event.json = json.getJSONObject(i)
+                    transactions.add(event)
+                }
+                transactions.reverse()  // show latest first
+                val filtered =
+                    if (showAll) transactions else transactions.filter { it.showToUser } as Transactions
+                offer(TransactionsResult.Success(filtered))
+                close()
+            }
+        }
+        awaitClose()
+    }
+
+}
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/TransactionsFragment.kt b/wallet/src/main/java/net/taler/wallet/transactions/TransactionsFragment.kt
new file mode 100644
index 0000000..663a5aa
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/transactions/TransactionsFragment.kt
@@ -0,0 +1,113 @@
+/*
+ * 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.transactions
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.MenuItem
+import android.view.View
+import android.view.View.INVISIBLE
+import android.view.View.VISIBLE
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.Observer
+import androidx.navigation.fragment.findNavController
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager.VERTICAL
+import kotlinx.android.synthetic.main.fragment_transactions.*
+import net.taler.common.fadeIn
+import net.taler.common.fadeOut
+import net.taler.wallet.MainViewModel
+import net.taler.wallet.R
+
+interface OnEventClickListener {
+    fun onEventClicked(event: Transaction)
+}
+
+class TransactionsFragment : Fragment(), OnEventClickListener {
+
+    private val model: MainViewModel by activityViewModels()
+    private val transactionManager by lazy { model.transactionManager }
+    private val transactionAdapter by lazy { TransactionAdapter(model.devMode.value == true, this) }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setHasOptionsMenu(true)
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_transactions, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        list.apply {
+            layoutManager = LinearLayoutManager(context)
+            adapter = transactionAdapter
+            addItemDecoration(DividerItemDecoration(context, VERTICAL))
+        }
+
+        transactionManager.progress.observe(viewLifecycleOwner, Observer { show ->
+            progressBar.visibility = if (show) VISIBLE else INVISIBLE
+        })
+        transactionManager.transactions.observe(viewLifecycleOwner, Observer { result ->
+            onTransactionsResult(result)
+        })
+
+        // kicks off initial load, needs to be adapted if showAll state is ever saved
+        if (savedInstanceState == null) transactionManager.showAll.value = model.devMode.value
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
+        inflater.inflate(R.menu.transactions, menu)
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            else -> super.onOptionsItemSelected(item)
+        }
+    }
+
+    override fun onEventClicked(event: Transaction) {
+        if (event.detailPageLayout != 0) {
+            transactionManager.selectedEvent = event
+            findNavController().navigate(R.id.action_nav_transactions_to_nav_transaction_detail)
+        } else if (model.devMode.value == true) {
+            JsonDialogFragment.new(event.json.toString(2))
+                .show(parentFragmentManager, null)
+        }
+    }
+
+    private fun onTransactionsResult(result: TransactionsResult) = when (result) {
+        TransactionsResult.Error -> {
+            list.fadeOut()
+            emptyState.text = getString(R.string.transactions_error)
+            emptyState.fadeIn()
+        }
+        is TransactionsResult.Success -> {
+            emptyState.visibility = if (result.transactions.isEmpty()) VISIBLE else INVISIBLE
+            transactionAdapter.update(result.transactions)
+        }
+    }
+
+}