/
market.go
2028 lines (1811 loc) · 67.4 KB
/
market.go
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package dcrdex
import (
"context"
"errors"
"fmt"
"image/color"
"sort"
"strconv"
"strings"
"sync/atomic"
"decred.org/dcrdex/client/comms"
"decred.org/dcrdex/client/core"
"decred.org/dcrdex/client/orderbook"
"decred.org/dcrdex/dex"
"decred.org/dcrdex/dex/order"
"gioui.org/font"
"gioui.org/layout"
"gioui.org/text"
"gioui.org/unit"
"gioui.org/widget"
"github.com/crypto-power/cryptopower/app"
"github.com/crypto-power/cryptopower/dexc"
"github.com/crypto-power/cryptopower/libwallet"
"github.com/crypto-power/cryptopower/libwallet/assets/wallet"
sharedW "github.com/crypto-power/cryptopower/libwallet/assets/wallet"
"github.com/crypto-power/cryptopower/libwallet/ext"
libutils "github.com/crypto-power/cryptopower/libwallet/utils"
"github.com/crypto-power/cryptopower/ui/cryptomaterial"
"github.com/crypto-power/cryptopower/ui/load"
"github.com/crypto-power/cryptopower/ui/modal"
"github.com/crypto-power/cryptopower/ui/page/components"
"github.com/crypto-power/cryptopower/ui/utils"
"github.com/crypto-power/cryptopower/ui/values"
)
const (
DEXMarketPageID = "dex_market"
// maxOrderDisplayedInOrderBook is the maximum number of orders that can be
// accommodated/displayed on the order book.
maxOrderDisplayedInOrderBook = 8
)
var (
dp5 = values.MarginPadding5
dp8 = values.MarginPadding8
dp300 = values.MarginPadding300
orderFormAndOrderBookWidth = (values.AppWidth / 2) - 40 // Minus 40 px to allow for margin between the order form and order book.
// orderFormAndOrderBookHeight is a an arbitrary height that accommodates
// the current order form elements and maxOrderDisplayedInOrderBook. Use
// this to ensure they (order form and orderbook) have the same height as
// they are displayed sided by side.
orderFormAndOrderBookHeight = values.MarginPadding550
orderTypes = []cryptomaterial.DropDownItem{
{
Text: values.String(values.StrLimit),
},
{
Text: values.String(values.StrMarket),
},
}
buyBtnStringIndex = 0
buyAndSellBtnStrings = []string{
values.String(values.StrBuy),
values.String(values.StrSell),
}
vertical = layout.Vertical
horizontal = layout.Horizontal
)
type DEXMarketPage struct {
*load.Load
// GenericPageModal defines methods such as ID() and OnAttachedToNavigator()
// that helps this Page satisfy the app.Page interface. It also defines
// helper methods for accessing the PageNavigator that displayed this page
// and the root WindowNavigator.
*app.GenericPageModal
ctx context.Context
cancelCtx context.CancelFunc
scrollContainer *widget.List
openOrdersAndOrderHistoryContainer *widget.List
serverSelector *cryptomaterial.DropDown
lastSelectedDEXServer string
addServerBtn *cryptomaterial.Clickable
marketSelector *cryptomaterial.DropDown
noMarketOrServerDisconnected atomic.Bool
toggleBuyAndSellBtn *cryptomaterial.SegmentedControl
orderTypesDropdown *cryptomaterial.DropDown
priceEditor cryptomaterial.Editor
switchLotsOrAmount *cryptomaterial.Switch
lotsOrAmountEditor cryptomaterial.Editor
totalEditor cryptomaterial.Editor
maxBuyOrSellStr string
orderFeeEstimateStr string
loginBtn cryptomaterial.Button
postBondBtn cryptomaterial.Button
createOrderBtn cryptomaterial.Button
immediateOrderCheckbox cryptomaterial.CheckBoxStyle
immediateOrderInfoBtn *cryptomaterial.Clickable
addWalletToDEX cryptomaterial.Button
walletSelector *components.WalletAndAccountSelector
accountSelector *components.WalletAndAccountSelector
seeFullOrderBookBtn cryptomaterial.Button
selectedMarketOrderBook orderbookInfo
closeOrderBookListener func()
orders []*clickableOrder
openOrdersBtn cryptomaterial.Button
orderHistoryBtn cryptomaterial.Button
ordersTableHorizontalScroll *widget.List
openOrdersDisplayed bool
showLoader bool
}
type orderbookInfo struct {
quote, base uint32
quoteSymbol, baseSymbol string
marketID string
book *orderbook.OrderBook
feed core.BookFeed
}
type clickableOrder struct {
*core.Order
cancelBtn *cryptomaterial.Clickable
}
// NewDEXMarketPage prepares and initializes a *DEXMarketPage. Specify
// selectServer to select the provided server.
func NewDEXMarketPage(l *load.Load, selectServer string) *DEXMarketPage {
th := l.Theme
pg := &DEXMarketPage{
Load: l,
GenericPageModal: app.NewGenericPageModal(DEXMarketPageID),
scrollContainer: &widget.List{List: layout.List{Axis: vertical, Alignment: layout.Middle}},
openOrdersAndOrderHistoryContainer: &widget.List{List: layout.List{Axis: vertical, Alignment: layout.Middle}},
addServerBtn: th.NewClickable(false),
toggleBuyAndSellBtn: th.SegmentedControl(buyAndSellBtnStrings, cryptomaterial.SegmentTypeGroup),
orderTypesDropdown: th.DropDown(orderTypes, nil, values.DEXOrderTypes, true),
priceEditor: newTextEditor(l.Theme, values.String(values.StrPrice), "", false),
switchLotsOrAmount: l.Theme.Switch(),
lotsOrAmountEditor: newTextEditor(l.Theme, values.String(values.StrLots), "", false),
totalEditor: newTextEditor(th, values.String(values.StrTotal), "", false),
maxBuyOrSellStr: "---",
orderFeeEstimateStr: "------",
loginBtn: th.Button(values.String(values.StrLogin)),
postBondBtn: th.Button(values.String(values.StrPostBond)),
addWalletToDEX: th.Button(values.String(values.StrAddWallet)),
createOrderBtn: th.Button(values.String(values.StrBuy)),
immediateOrderCheckbox: th.CheckBox(new(widget.Bool), values.String(values.StrImmediate)),
immediateOrderInfoBtn: th.NewClickable(false),
seeFullOrderBookBtn: th.Button(values.String(values.StrSeeMore)),
openOrdersBtn: th.Button(values.String(values.StrOpenOrders)),
orderHistoryBtn: th.Button(values.String(values.StrTradeHistory)),
ordersTableHorizontalScroll: &widget.List{List: layout.List{Axis: horizontal, Alignment: layout.Middle}},
openOrdersDisplayed: true,
lastSelectedDEXServer: selectServer,
}
btnPadding := layout.Inset{Top: dp8, Right: dp20, Left: dp20, Bottom: dp8}
pg.toggleBuyAndSellBtn.Padding = btnPadding
pg.openOrdersBtn.Inset, pg.orderHistoryBtn.Inset = btnPadding, btnPadding
pg.openOrdersBtn.Font.Weight, pg.orderHistoryBtn.Font.Weight = font.SemiBold, font.SemiBold
pg.orderTypesDropdown.CollapsedLayoutTextDirection = layout.E
pg.orderTypesDropdown.Width = values.MarginPadding120
pg.orderTypesDropdown.FontWeight = font.SemiBold
pg.orderTypesDropdown.Hoverable = false
pg.orderTypesDropdown.SelectedItemIconColor = &pg.Theme.Color.Primary
pg.orderTypesDropdown.ExpandedLayoutInset = layout.Inset{Top: values.MarginPadding35}
pg.orderTypesDropdown.MakeCollapsedLayoutVisibleWhenExpanded = true
pg.priceEditor.IsTitleLabel, pg.lotsOrAmountEditor.IsTitleLabel, pg.totalEditor.IsTitleLabel = false, false, false
pg.seeFullOrderBookBtn.HighlightColor, pg.seeFullOrderBookBtn.Background = color.NRGBA{}, color.NRGBA{}
pg.seeFullOrderBookBtn.Color = th.Color.Primary
pg.seeFullOrderBookBtn.Font.Weight = font.SemiBold
pg.seeFullOrderBookBtn.Inset = layout.Inset{}
pg.immediateOrderCheckbox.Font.Weight = font.SemiBold
pg.setBuyOrSell()
return pg
}
// OnNavigatedTo is called when the page is about to be displayed and
// may be used to initialize page features that are only relevant when
// the page is displayed.
// Part of the load.Page interface.
func (pg *DEXMarketPage) OnNavigatedTo() {
if pg.isDEXReset() {
return
}
pg.ctx, pg.cancelCtx = context.WithCancel(context.Background())
pg.showLoader = true
dexc := pg.AssetsManager.DexClient()
noteFeed := dexc.NotificationFeed()
go func() {
// Ensure dex client is ready.
<-dexc.Ready()
pg.showLoader = false
pg.ParentWindow().Reload()
defer func() {
noteFeed.ReturnFeed()
}()
for {
// Always check if the dex client is ready. We want to exit if there
// was a reset.
if pg.isDEXReset() {
return
}
select {
case <-pg.ctx.Done():
return
case n := <-noteFeed.C:
if n == nil || !pg.AssetsManager.DEXCInitialized() {
return
}
switch n.Type() {
case core.NoteTypeConnEvent:
switch n.Topic() {
case core.TopicDEXConnected:
pg.noMarketOrServerDisconnected.Store(true)
pg.setServerMarkets()
if pg.ParentNavigator().CurrentPage().ID() == DEXMarketPageID {
modal := modal.NewSuccessModal(pg.Load, n.Details(), modal.DefaultClickFunc())
pg.ParentWindow().ShowModal(modal)
}
case core.TopicDEXDisconnected, core.TopicDexConnectivity:
if n.Topic() == core.TopicDEXDisconnected {
pg.noMarketOrServerDisconnected.Store(false)
}
if pg.ParentNavigator().CurrentPage().ID() == DEXMarketPageID {
pg.notifyError(n.Details())
}
}
pg.ParentWindow().Reload()
case core.NoteTypeOrder, core.NoteTypeMatch:
if n.Topic() == core.TopicAsyncOrderFailure {
pg.notifyError(n.Details())
}
pg.refreshOrders()
pg.ParentWindow().Reload()
case core.NoteTypeBalance, core.NoteTypeSpots:
pg.ParentWindow().Reload()
}
}
}
}()
pg.resetServerAndMarkets()
if pg.priceEditor.Editor.Text() == "" {
mkt := pg.selectedMarketInfo()
if price := pg.orderPrice(mkt); price > 0 {
pg.priceEditor.Editor.SetText(trimmedAmtString(price))
}
}
if dexc.IsLoggedIn() {
go pg.refreshOrders()
return // All good, return early.
}
// Prompt user to login now.
pg.ParentWindow().ShowModal(dexLoginModal(pg.Load, dexc, nil))
}
func dexLoginModal(load *load.Load, dexClient libwallet.DEXClient, positiveBtnCallback func(password string)) *modal.CreatePasswordModal {
dexPasswordModal := modal.NewCreatePasswordModal(load).
EnableName(false).
EnableConfirmPassword(false).
Title(values.String(values.StrLogin)).
SetDescription(values.String(values.StrLoginWithDEXPassword)).
PasswordHint(values.String(values.StrDexPassword)).
SetPositiveButtonCallback(func(_, password string, pm *modal.CreatePasswordModal) bool {
err := dexClient.Login([]byte(password))
if err != nil {
pm.SetError(err.Error())
return false
}
if positiveBtnCallback != nil {
positiveBtnCallback(password)
}
return true
}).SetCancelable(false)
dexPasswordModal.SetPasswordTitleVisibility(false)
return dexPasswordModal
}
func (pg *DEXMarketPage) isDEXReset() bool {
return !pg.AssetsManager.DEXCInitialized() || !pg.AssetsManager.DexClient().InitializedWithPassword()
}
func (pg *DEXMarketPage) resetServerAndMarkets() {
xcs := pg.AssetsManager.DexClient().Exchanges()
var servers []cryptomaterial.DropDownItem
for _, xc := range xcs {
servers = append(servers, cryptomaterial.DropDownItem{
Text: xc.Host,
})
}
// Include the "Add Server" button as part of pg.serverSelector items.
// TODO: The pg.addServerBtn should open a modal or page to add a new server
// to DEX when clicked.
servers = append(servers, cryptomaterial.DropDownItem{
Text: values.String(values.StrAddServer),
DisplayFn: components.IconButton(pg.Theme.Icons.ContentAdd, values.String(values.StrAddServer), layout.Inset{}, pg.Theme, pg.addServerBtn),
PreventSelection: true,
})
lastSelectedDexServer := &cryptomaterial.DropDownItem{
Text: pg.lastSelectedDEXServer,
}
pg.serverSelector = pg.Theme.DropDown(servers, lastSelectedDexServer, values.DEXServerDropdownGroup, false)
pg.setServerOrMarketDropdownStyle(pg.serverSelector)
pg.setServerMarkets()
}
func (pg *DEXMarketPage) setServerOrMarketDropdownStyle(d *cryptomaterial.DropDown) {
d.Width = dp300
d.MakeCollapsedLayoutVisibleWhenExpanded = true
d.ExpandedLayoutInset = layout.Inset{Top: values.DP45}
d.BorderWidth = dp2
d.Hoverable = false
d.SelectedItemIconColor = &pg.Theme.Color.Primary
}
func (pg *DEXMarketPage) setServerMarkets() {
// Set available market pairs.
dexc := pg.AssetsManager.DexClient()
var markets []cryptomaterial.DropDownItem
var lastSelectedItem *cryptomaterial.DropDownItem
var serverIsDisconnected bool
if pg.serverSelector.Selected() != values.String(values.StrAddServer) {
host := pg.serverSelector.Selected()
xc, err := dexc.Exchange(host)
if err != nil {
pg.notifyError(err.Error())
} else {
serverIsDisconnected = xc.ConnectionStatus != comms.Connected
for _, m := range xc.Markets {
base, quote := convertAssetIDToAssetType(m.BaseID), convertAssetIDToAssetType(m.QuoteID)
if base == "" || quote == "" {
continue // market asset not supported by cryptopower. TODO: Should we support just displaying stats for unsupported markets?
}
marketItem := cryptomaterial.DropDownItem{
Text: base.String() + "/" + quote.String(),
DisplayFn: pg.marketDropdownListItem(base, quote),
}
if dexc.HasWallet(int32(m.BaseID)) && dexc.HasWallet(int32(m.QuoteID)) {
lastSelectedItem = &marketItem
}
markets = append(markets, marketItem)
}
}
}
noMarketOrServerDisconnected := len(markets) == 0 || serverIsDisconnected
pg.noMarketOrServerDisconnected.Store(noMarketOrServerDisconnected)
if noMarketOrServerDisconnected {
msg := values.String(values.StrNoSupportedMarket)
if serverIsDisconnected {
msg = values.String(values.StrDEXServerDisconnected)
}
markets = []cryptomaterial.DropDownItem{{
Text: msg,
PreventSelection: true,
}}
}
pg.marketSelector = pg.Theme.DropDown(markets, lastSelectedItem, values.DEXCurrencyPairGroup, false)
pg.setServerOrMarketDropdownStyle(pg.marketSelector)
pg.fetchOrderBook()
}
func (pg *DEXMarketPage) fetchOrderBook() {
base, quote, _ := strings.Cut(pg.marketSelector.Selected(), "/")
baseAssetID, _ := bip(strings.ToLower(base))
quoteAssetID, _ := bip(strings.ToLower(quote))
pg.selectedMarketOrderBook = orderbookInfo{
base: baseAssetID,
quote: quoteAssetID,
baseSymbol: base,
quoteSymbol: quote,
}
pg.closeAndResetOrderbookListener()
if pg.noMarketOrServerDisconnected.Load() {
return // nothing to do.
}
// Update order form editors.
pg.priceEditor.ExtraText = pg.selectedMarketOrderBook.quoteSymbol + " / " + pg.selectedMarketOrderBook.baseSymbol
pg.totalEditor.ExtraText = pg.selectedMarketOrderBook.quoteSymbol
if !pg.orderWithLots() {
pg.lotsOrAmountEditor.ExtraText = pg.selectedMarketOrderBook.baseSymbol
}
pg.showLoader = true
go func() {
// Fetch order book and only update if we're still on the same market.
book, feed, err := pg.AssetsManager.DexClient().SyncBook(pg.serverSelector.Selected(), baseAssetID, quoteAssetID)
if err == nil && pg.selectedMarketOrderBook.base == baseAssetID && pg.selectedMarketOrderBook.quote == quoteAssetID {
pg.selectedMarketOrderBook.marketID = pg.formatSelectedMarketAsDEXMarketName()
pg.selectedMarketOrderBook.feed = feed
pg.selectedMarketOrderBook.book = book
pg.closeOrderBookListener = feed.Close
pg.showLoader = false
pg.ParentWindow().Reload()
pg.listenForOrderbookNotifications()
} else if err != nil {
log.Errorf("dexc.Book %v", err)
}
pg.showLoader = false
}()
}
// listenForOrderbookNotifications listens for orderbook updates and MUST be
// called from a goroutine.
func (pg *DEXMarketPage) listenForOrderbookNotifications() {
defer func() {
pg.closeAndResetOrderbookListener()
}()
for {
if pg.isDEXReset() {
return
}
select {
case <-pg.ctx.Done():
return
case bookUpdate, ok := <-pg.selectedMarketOrderBook.feed.Next():
if !ok {
return // closed
}
sameMarket := bookUpdate.MarketID == pg.selectedMarketOrderBook.marketID
if bookUpdate.Action == core.FreshBookAction {
mktBook := bookUpdate.Payload.(*core.MarketOrderBook)
sameMarket = pg.selectedMarketOrderBook.base == mktBook.Base && pg.selectedMarketOrderBook.quote == mktBook.Quote
}
if pg.serverSelector.Selected() == bookUpdate.Host && sameMarket {
pg.ParentWindow().Reload()
}
}
}
}
func (pg *DEXMarketPage) closeAndResetOrderbookListener() {
if pg.closeOrderBookListener != nil {
pg.closeOrderBookListener()
pg.closeOrderBookListener = nil // reset
}
}
func (pg *DEXMarketPage) marketDropdownListItem(baseAsset, quoteAsset libutils.AssetType) func(gtx C) D {
baseIcon, quoteIcon := assetIcon(pg.Theme, baseAsset), assetIcon(pg.Theme, quoteAsset)
return func(gtx cryptomaterial.C) cryptomaterial.D {
return layout.Flex{Axis: horizontal}.Layout(gtx,
layout.Rigid(func(gtx C) D {
return layout.Flex{Axis: horizontal}.Layout(gtx,
layout.Rigid(func(gtx C) D {
if baseIcon == nil {
return D{}
}
return baseIcon.Layout20dp(gtx)
}),
layout.Rigid(func(gtx C) D {
return layout.Inset{Right: dp2, Left: dp2}.Layout(gtx, pg.Theme.Label(values.TextSize16, baseAsset.String()).Layout)
}),
)
}),
layout.Rigid(func(gtx C) D {
return layout.Inset{Right: dp2, Left: dp2}.Layout(gtx, pg.Theme.Label(values.TextSize16, "/").Layout)
}),
layout.Rigid(func(gtx C) D {
return layout.Flex{Axis: horizontal}.Layout(gtx,
layout.Rigid(func(gtx C) D {
if quoteIcon == nil {
return D{}
}
return quoteIcon.Layout20dp(gtx)
}),
layout.Rigid(func(gtx C) D {
return layout.Inset{Right: dp2, Left: dp2}.Layout(gtx, pg.Theme.Label(values.TextSize16, quoteAsset.String()).Layout)
}),
)
}),
)
}
}
func assetIcon(th *cryptomaterial.Theme, assetType libutils.AssetType) *cryptomaterial.Image {
switch assetType {
case libutils.DCRWalletAsset:
return th.Icons.DCR
case libutils.BTCWalletAsset:
return th.Icons.BTC
case libutils.LTCWalletAsset:
return th.Icons.LTC
}
return nil
}
// OnNavigatedFrom is called when the page is about to be removed from
// the displayed window. This method should ideally be used to disable
// features that are irrelevant when the page is NOT displayed.
// NOTE: The page may be re-displayed on the app's window, in which case
// OnNavigatedTo() will be called again. This method should not destroy UI
// components unless they'll be recreated in the OnNavigatedTo() method.
// Part of the load.Page interface.
func (pg *DEXMarketPage) OnNavigatedFrom() {
pg.closeAndResetOrderbookListener()
pg.cancelCtx()
}
// Layout draws the page UI components into the provided C
// to be eventually drawn on screen.
// Part of the load.Page interface.
func (pg *DEXMarketPage) Layout(gtx C) D {
if pg.isDEXReset() {
pg.ParentNavigator().CloseCurrentPage()
return D{}
}
pageContent := []func(gtx C) D{
pg.priceAndVolumeDetail,
pg.orderFormAndOrderBook,
pg.openOrdersAndHistory,
}
return cryptomaterial.LinearLayout{
Width: cryptomaterial.MatchParent,
Height: cryptomaterial.MatchParent,
Margin: layout.Inset{
Bottom: values.MarginPadding30,
Right: dp10,
Left: dp10,
},
Direction: layout.Center,
}.Layout2(gtx, func(gtx C) D {
return pg.Theme.List(pg.scrollContainer).Layout(gtx, 1, func(gtx C, index int) D {
return layout.Stack{}.Layout(gtx,
layout.Expanded(func(gtx C) D {
return layout.Inset{Top: 110}.Layout(gtx, func(gtx C) D {
l := &layout.List{Axis: vertical}
return l.Layout(gtx, len(pageContent), func(gtx C, i int) D {
return pageContent[i](gtx)
})
})
}),
layout.Stacked(pg.serverAndCurrencySelection),
)
})
})
}
func (pg *DEXMarketPage) serverAndCurrencySelection(gtx C) D {
return cryptomaterial.LinearLayout{
Width: cryptomaterial.MatchParent,
Height: gtx.Dp(100),
Background: pg.Theme.Color.Surface,
Padding: layout.UniformInset(dp16),
Border: cryptomaterial.Border{
Radius: cryptomaterial.Radius(8),
},
}.Layout(gtx,
layout.Flexed(0.5, func(gtx C) D {
return layout.Flex{Axis: vertical}.Layout(gtx,
layout.Rigid(pg.semiBoldLabelText(values.String(values.StrServer)).Layout),
layout.Rigid(func(gtx C) D {
pg.serverSelector.Background = &pg.Theme.Color.Surface
pg.serverSelector.BorderColor = &pg.Theme.Color.Gray5
return layout.Inset{Top: dp2}.Layout(gtx, pg.serverSelector.Layout)
}),
)
}),
layout.Flexed(0.5, func(gtx C) D {
return layout.Inset{Left: values.MarginPadding60}.Layout(gtx, func(gtx C) D {
return layout.Flex{Axis: vertical, Alignment: layout.End}.Layout(gtx,
layout.Rigid(pg.semiBoldLabelText(values.String(values.StrCurrencyPair)).Layout),
layout.Rigid(func(gtx C) D {
pg.marketSelector.Background = &pg.Theme.Color.Surface
pg.marketSelector.BorderColor = &pg.Theme.Color.Gray5
return layout.Inset{Top: dp2}.Layout(gtx, pg.marketSelector.Layout)
}),
)
})
}),
)
}
func (pg *DEXMarketPage) priceAndVolumeDetail(gtx C) D {
var change24, priceChange float64
marketRate, low24, high24, baseVol24, quoteVol24 := "------", "------", "------", "------", "------"
mkt, ticker := pg.selectedMarketInfo(), pg.selectedMarketUSDRateTicker()
if mkt != nil && mkt.SpotPrice != nil {
rate := mkt.MsgRateToConventional(mkt.SpotPrice.Rate)
if ticker == nil {
marketRate = pg.Printer.Sprintf("%f", rate)
} else {
marketRate = pg.Printer.Sprintf("%f (~ %s)", rate, utils.FormatAsUSDString(pg.Printer, rate*ticker.LastTradePrice))
}
change24 = mkt.SpotPrice.Change24
priceChange = mkt.MsgRateToConventional(mkt.SpotPrice.High24 - mkt.SpotPrice.Low24)
low24 = fmt.Sprintf("%f", mkt.MsgRateToConventional(mkt.SpotPrice.Low24))
high24 = fmt.Sprintf("%f", mkt.MsgRateToConventional(mkt.SpotPrice.High24))
if mkt.SpotPrice.Rate > 0 { // should be impossible but...
quoteVol24 = fmt.Sprintf("%f", mkt.MsgRateToConventional(mkt.SpotPrice.Vol24/mkt.SpotPrice.Rate))
}
baseVol24 = fmt.Sprintf("%f", mkt.MsgRateToConventional(mkt.SpotPrice.Vol24))
}
return cryptomaterial.LinearLayout{
Width: cryptomaterial.MatchParent,
Height: cryptomaterial.WrapContent,
Padding: layout.UniformInset(16),
Margin: layout.Inset{Top: dp5, Bottom: dp5},
Background: pg.Theme.Color.Surface,
Border: cryptomaterial.Border{
Radius: cryptomaterial.Radius(8),
},
}.Layout(gtx,
layout.Flexed(0.33, func(gtx C) D {
return pg.priceAndVolumeColumn(gtx,
values.String(values.StrPrice), pg.semiBoldLabelSize14(marketRate).Layout,
values.String(values.Str24hLow), low24,
)
}),
layout.Flexed(0.33, func(gtx C) D {
change24Layout := func(gtx C) D {
lb := pg.semiBoldLabelSize14(pg.Printer.Sprintf(`%f (%.2f`, priceChange, change24) + "%)")
if change24 < 0 {
lb.Color = pg.Theme.Color.OrangeRipple
} else if change24 > 0 {
lb.Color = pg.Theme.Color.GreenText
}
return lb.Layout(gtx)
}
return pg.priceAndVolumeColumn(gtx,
values.String(values.Str24HChange), change24Layout,
values.StringF(values.Str24hVolume, convertAssetIDToAssetType(pg.selectedMarketOrderBook.base)), baseVol24,
)
}),
layout.Flexed(0.33, func(gtx C) D {
return pg.priceAndVolumeColumn(gtx,
values.String(values.Str24hHigh), pg.semiBoldLabelSize14(high24).Layout,
values.StringF(values.Str24hVolume, convertAssetIDToAssetType(pg.selectedMarketOrderBook.quote)), quoteVol24,
)
}),
)
}
func (pg *DEXMarketPage) selectedMarketUSDRateTicker() *ext.Ticker {
return pg.AssetsManager.RateSource.GetTicker(rateSourceMarketName(pg.marketSelector.Selected()), true)
}
func (pg *DEXMarketPage) selectedMarketInfo() (mkt *core.Market) {
dexMarketName := pg.formatSelectedMarketAsDEXMarketName()
if dexMarketName == "" {
return
}
xc := pg.exchange()
if xc != nil {
mkt = xc.Markets[dexMarketName]
}
return mkt
}
// formatSelectedMarketAsDEXMarketName converts the currently selected market to
// a format recognized by the DEX client.
func (pg *DEXMarketPage) formatSelectedMarketAsDEXMarketName() string {
dexMarketName, _ := dex.MarketName(pg.selectedMarketOrderBook.base, pg.selectedMarketOrderBook.quote)
return dexMarketName
}
func (pg *DEXMarketPage) exchange() *core.Exchange {
host := pg.serverSelector.Selected()
xc, err := pg.AssetsManager.DexClient().Exchange(host)
if err != nil {
pg.notifyError(err.Error())
return nil
}
return xc
}
func (pg *DEXMarketPage) priceAndVolumeColumn(gtx C, title1 string, body1 func(gtx C) D, title2, body2 string) D {
return layout.Flex{Axis: vertical}.Layout(gtx,
layout.Rigid(func(gtx C) D {
return cryptomaterial.LinearLayout{
Width: cryptomaterial.WrapContent,
Height: cryptomaterial.WrapContent,
Margin: layout.Inset{Bottom: dp20},
Orientation: vertical,
}.Layout(gtx,
layout.Rigid(semiBoldLabelGrey3(pg.Theme, title1).Layout),
layout.Rigid(body1),
)
}),
layout.Rigid(func(gtx C) D {
return layout.Flex{Axis: vertical}.Layout(gtx,
layout.Rigid(semiBoldLabelGrey3(pg.Theme, title2).Layout),
layout.Rigid(pg.semiBoldLabelSize14(body2).Layout),
)
}),
)
}
func (pg *DEXMarketPage) semiBoldLabelSize14(txt string) cryptomaterial.Label {
lb := pg.Theme.Label(values.TextSize14, txt)
lb.Font.Weight = font.SemiBold
return lb
}
func (pg *DEXMarketPage) orderFormAndOrderBook(gtx C) D {
elementWidth := (gtx.Constraints.Max.X - 20) / 2
return cryptomaterial.LinearLayout{
Width: cryptomaterial.MatchParent,
Height: cryptomaterial.WrapContent,
Orientation: horizontal,
}.Layout(gtx,
layout.Rigid(func(gtx C) D {
gtx.Constraints.Max.X = elementWidth
return layout.W.Layout(gtx, pg.orderForm)
}),
layout.Rigid(layout.Spacer{Width: values.MarginPadding20}.Layout),
layout.Rigid(func(gtx C) D {
gtx.Constraints.Max.X = elementWidth
return layout.E.Layout(gtx, pg.orderbook)
}),
)
}
func (pg *DEXMarketPage) orderForm(gtx C) D {
sell := pg.isSellOrder()
availableAssetBal, balStr := 0.0, "----"
var tradeDirection, baseOrQuoteAssetSym string
var overlaySet bool
var overlayMsg string
var actionBtn *cryptomaterial.Button
xc := pg.exchange()
dexClient := pg.AssetsManager.DexClient()
hasZeroEffectiveTier := dexClient.IsLoggedIn() && xc != nil && xc.Auth.EffectiveTier == 0 && xc.Auth.PendingStrength == 0
if !dexClient.IsLoggedIn() {
overlaySet = true
overlayMsg = values.String(values.StrLoginWithDEXPassword)
actionBtn = &pg.loginBtn
} else if pg.noMarketOrServerDisconnected.Load() {
overlaySet = true
if xc != nil && xc.ConnectionStatus != comms.Connected {
overlayMsg = values.String(values.StrDEXServerDisconnected)
} else {
overlayMsg = values.String(values.StrNoSupportedMarketMsg)
}
} else if hasZeroEffectiveTier { // Need to post bond to trade.
overlaySet = true
overlayMsg = values.String(values.StrPostBondMsg)
targetTier := xc.Auth.TargetTier
if targetTier > 0 { // Maintenance enabled
bondAssetID := xc.Auth.BondAssetID
setting, err := dexClient.WalletSettings(bondAssetID)
if err != nil {
pg.notifyError(err.Error())
} else {
// Wallet is being used by the dex client so it exists, can ignore errors.
walletID, _ := strconv.Atoi(setting[dexc.WalletIDConfigKey])
accountNumber, _ := strconv.Atoi(setting[dexc.WalletAccountNumberConfigKey])
asset := pg.AssetsManager.WalletWithID(walletID)
accountName, _ := asset.AccountName(int32(accountNumber))
bondAmtString := calculateBondAmount(asset, xc.BondAssets[asset.GetAssetType().ToStringLower()], int(targetTier), dexClient.BondsFeeBuffer(bondAssetID))
overlayMsg = values.StringF(values.StrBondPostingInProgressMsg, bondAmtString, accountName, asset.GetAssetType(), asset.GetWalletName())
}
} else {
actionBtn = &pg.postBondBtn
}
} else if missingMarketWalletType := pg.missingMarketWallet(); missingMarketWalletType != "" {
overlaySet = true
overlayMsg = values.StringF(values.StrMissingDEXWalletMsg, missingMarketWalletType, missingMarketWalletType)
actionBtn = &pg.addWalletToDEX
} else {
if sell { // Show base asset available balance.
tradeDirection = values.String(values.StrSell)
availableAssetBal, baseOrQuoteAssetSym = pg.availableWalletAccountBalanceString(false)
} else {
tradeDirection = values.String(values.StrBuy)
availableAssetBal, baseOrQuoteAssetSym = pg.availableWalletAccountBalanceString(true)
}
}
balStr = fmt.Sprintf("%f %s", availableAssetBal, baseOrQuoteAssetSym)
totalSubText, lotsOrAmountSubtext := pg.orderFormEditorSubtext()
return cryptomaterial.LinearLayout{
Width: cryptomaterial.MatchParent,
Height: gtx.Dp(orderFormAndOrderBookHeight),
Background: pg.Theme.Color.Surface,
Margin: layout.Inset{Top: dp5, Bottom: dp5},
Padding: layout.UniformInset(dp16),
Direction: layout.E,
Border: cryptomaterial.Border{
Radius: cryptomaterial.Radius(8),
},
Orientation: vertical,
}.Layout2(gtx, func(gtx C) D {
formLayout := func(gtx C) D {
return layout.Stack{Alignment: layout.NW}.Layout(gtx,
layout.Expanded(func(gtx C) D {
return cryptomaterial.LinearLayout{
Width: cryptomaterial.MatchParent,
Height: cryptomaterial.WrapContent,
Margin: layout.Inset{Top: values.MarginPadding70},
Orientation: vertical,
}.Layout(gtx,
layout.Rigid(func(gtx C) D {
return orderFormRow(gtx, vertical, []layout.FlexChild{
layout.Rigid(pg.semiBoldLabelText(values.String(values.StrPrice)).Layout),
layout.Rigid(pg.priceEditor.Layout),
})
}),
layout.Rigid(func(gtx C) D {
return orderFormRow(gtx, vertical, []layout.FlexChild{
layout.Rigid(func(gtx C) D {
return layout.Inset{Bottom: dp5}.Layout(gtx, func(gtx C) D {
var labelText string
if pg.orderWithLots() {
labelText = fmt.Sprintf("%s (%s)", values.String(values.StrLots), lotsOrAmountSubtext)
} else {
labelText = fmt.Sprintf("%s (%s)", values.String(values.StrAmount), lotsOrAmountSubtext)
}
return layout.Flex{Axis: horizontal}.Layout(gtx,
layout.Rigid(pg.semiBoldLabelText(labelText).Layout),
layout.Flexed(1, func(gtx C) D {
return layout.E.Layout(gtx, pg.switchLotsOrAmount.Layout)
}),
)
})
}),
layout.Rigid(pg.lotsOrAmountEditor.Layout),
layout.Rigid(func(gtx C) D {
return layout.Flex{Axis: horizontal}.Layout(gtx,
layout.Rigid(func(gtx C) D {
if !sell {
return D{}
}
return layout.W.Layout(gtx, pg.Theme.Label(values.TextSize12, values.StringF(values.StrAvailableBalance, balStr)).Layout)
}),
layout.Flexed(1, func(gtx layout.Context) layout.Dimensions {
return layout.E.Layout(gtx, pg.Theme.Label(values.TextSize12, values.StringF(values.StrMaxDEX, tradeDirection, pg.maxBuyOrSellStr)).Layout)
}),
)
}),
})
}),
layout.Rigid(func(gtx C) D {
return orderFormRow(gtx, vertical, []layout.FlexChild{
layout.Rigid(func(gtx C) D {
totalLabelTxt := fmt.Sprintf("%s (%s)", values.String(values.StrTotal), totalSubText)
return layout.Inset{Bottom: dp5}.Layout(gtx, pg.semiBoldLabelText(totalLabelTxt).Layout)
}),
layout.Rigid(pg.totalEditor.Layout),
layout.Rigid(func(gtx C) D {
if sell {
return D{} // Base asset available balance is shown on the sell form view
}
// Show quote asset balance
return layout.Flex{Axis: horizontal}.Layout(gtx,
layout.Flexed(1, func(gtx layout.Context) layout.Dimensions {
return layout.E.Layout(gtx, pg.Theme.Label(values.TextSize12, values.StringF(values.StrAvailableBalance, balStr)).Layout)
}),
)
}),
})
}),
layout.Rigid(func(gtx C) D {
return layout.Flex{Axis: horizontal, Alignment: layout.Middle}.Layout(gtx,
layout.Rigid(semiBoldLabelGrey3(pg.Theme, values.String(values.StrEstimatedFee)).Layout),
layout.Rigid(func(gtx C) D {
feeEstimatedLabel := pg.Theme.Label(values.TextSize12, pg.orderFeeEstimateStr)
feeEstimatedLabel.Alignment = text.Middle
return feeEstimatedLabel.Layout(gtx)
}),
)
}),
layout.Rigid(func(gtx C) D {
pg.immediateOrderCheckbox.Color = pg.Theme.Color.Text
return orderFormRow(gtx, horizontal, []layout.FlexChild{
layout.Rigid(pg.immediateOrderCheckbox.Layout),
layout.Rigid(func(gtx C) D {
return layout.Inset{Top: dp10, Left: dp2}.Layout(gtx, func(gtx C) D {
return pg.immediateOrderInfoBtn.Layout(gtx, pg.Theme.Icons.InfoAction.Layout16dp)
})
})},
)
}),
layout.Rigid(func(gtx C) D {
pg.createOrderBtn.SetEnabled(pg.hasValidOrderInfo())
return layout.Flex{Axis: horizontal, Alignment: layout.Middle}.Layout(gtx,
layout.Flexed(1, pg.createOrderBtn.Layout),
)
}),
)
}),
layout.Stacked(func(gtx C) D {
return layout.Flex{Axis: horizontal}.Layout(gtx,
layout.Rigid(func(gtx C) D {
return pg.toggleBuyAndSellBtn.GroupTileLayout(gtx)
}),
layout.Flexed(1, func(gtx C) D {
pg.orderTypesDropdown.Background = &pg.Theme.Color.Surface
return layout.Inset{Bottom: dp5, Top: dp5}.Layout(gtx, pg.orderTypesDropdown.Layout)
}),
)
}),
)
}
if !overlaySet {
return formLayout(gtx)
}
gtxCopy := gtx
overlay := func(gtx C) D {
label := pg.Theme.Body1(overlayMsg)
label.Alignment = text.Middle
return cryptomaterial.DisableLayout(nil, gtxCopy,
func(gtx C) D {
return layout.Inset{Bottom: values.MarginPadding20}.Layout(gtx, label.Layout)
},
nil, 180, pg.Theme.Color.Gray3, actionBtn)
}
gtx = gtx.Disabled()
return layout.Stack{}.Layout(gtx, layout.Expanded(formLayout), layout.Stacked(overlay))
})
}
func (pg *DEXMarketPage) missingMarketWallet() libutils.AssetType {
dexc := pg.AssetsManager.DexClient()
if !dexc.HasWallet(int32(pg.selectedMarketOrderBook.base)) {
return convertAssetIDToAssetType(pg.selectedMarketOrderBook.base)
}
if !dexc.HasWallet(int32(pg.selectedMarketOrderBook.quote)) {
return convertAssetIDToAssetType(pg.selectedMarketOrderBook.quote)
}
return ""
}
func (pg *DEXMarketPage) estimateOrderFee() {
pg.maxBuyOrSellStr = "---"
pg.orderFeeEstimateStr = values.String(values.StrNotAvailable)
mkt := pg.selectedMarketInfo()
price := pg.orderPrice(mkt)
if price <= 0 && !pg.isSellOrder() {
return
}
host, base, quote := pg.serverSelector.Selected(), pg.selectedMarketOrderBook.base, pg.selectedMarketOrderBook.quote
dexc := pg.AssetsManager.DexClient()
var est *core.MaxOrderEstimate
var err error
if pg.isSellOrder() {