feat: higher leverages

coordinator/example-settings/prod-coordinator-settings.toml

@@ -12,6 +12,7 @@ min_quantity = 1
 maintenance_margin_rate = 0.1
 order_matching_fee_rate = 0.003
 index_price_source = "Bitmex"
+max_leverage = 5
 
 [xxi]
 off_chain_sync_interval = 5

coordinator/example-settings/test-coordinator-settings.toml

@@ -13,6 +13,7 @@ min_quantity = 1
 maintenance_margin_rate = 0.1
 order_matching_fee_rate = 0.003
 index_price_source = "Test"
+max_leverage = 5
 
 [xxi]
 off_chain_sync_interval = 5

coordinator/src/orderbook/websocket.rs

@@ -218,12 +218,18 @@ pub async fn websocket_connection(stream: WebSocket, state: Arc<AppState>) {
                             let liquidity_options =
                                 db::liquidity_options::get_all(&mut conn).unwrap_or_default();
 
-                            let (min_quantity, maintenance_margin_rate, order_matching_fee_rate) = {
+                            let (
+                                min_quantity,
+                                maintenance_margin_rate,
+                                order_matching_fee_rate,
+                                max_leverage,
+                            ) = {
                                 let settings = state.settings.read().await;
                                 (
                                     settings.min_quantity,
                                     settings.maintenance_margin_rate,
                                     settings.order_matching_fee_rate,
+                                    settings.max_leverage,
                                 )
                             };
 
@@ -239,6 +245,7 @@ pub async fn websocket_connection(stream: WebSocket, state: Arc<AppState>) {
                                     maintenance_margin_rate,
                                     order_matching_fee_rate,
                                     referral_status,
+                                    max_leverage,
                                 }))
                                 .await
                             {

coordinator/src/settings.rs

@@ -102,6 +102,9 @@ pub struct Settings {
 
     /// Where to get the index price from. This value is used to calculate funding fees.
     pub index_price_source: IndexPriceSource,
+
+    /// The max leverage a trader can take
+    pub max_leverage: u8,
 }
 
 impl Settings {
@@ -162,6 +165,7 @@ impl Settings {
             maintenance_margin_rate: file.maintenance_margin_rate,
             order_matching_fee_rate: file.order_matching_fee_rate,
             index_price_source: file.index_price_source,
+            max_leverage: file.max_leverage,
         }
     }
 }
@@ -190,6 +194,8 @@ pub struct SettingsFile {
     order_matching_fee_rate: f32,
 
     index_price_source: IndexPriceSource,
+
+    max_leverage: u8,
 }
 
 impl From<Settings> for SettingsFile {
@@ -210,6 +216,7 @@ impl From<Settings> for SettingsFile {
             maintenance_margin_rate: value.maintenance_margin_rate,
             order_matching_fee_rate: value.order_matching_fee_rate,
             index_price_source: value.index_price_source,
+            max_leverage: value.max_leverage,
         }
     }
 }
@@ -246,6 +253,7 @@ mod tests {
             maintenance_margin_rate: 0.1,
             order_matching_fee_rate: 0.003,
             index_price_source: IndexPriceSource::Bitmex,
+            max_leverage: 5,
         };
 
         let serialized = toml::to_string_pretty(&original).unwrap();

crates/xxi-node/src/commons/message.rs

@@ -80,6 +80,7 @@ pub struct TenTenOneConfig {
     pub maintenance_margin_rate: f32,
     pub order_matching_fee_rate: f32,
     pub referral_status: ReferralStatus,
+    pub max_leverage: u8,
 }
 
 #[derive(Serialize, Clone, Deserialize, Debug)]

mobile/lib/common/application/tentenone_config_change_notifier.dart

@@ -10,6 +10,8 @@ class TenTenOneConfigChangeNotifier extends ChangeNotifier implements Subscriber
 
   List<LiquidityOption> _liquidityOptions = [];
   ReferralStatus? _referralStatus;
+  // will be overwritten once we receive the authenticated event
+  int _maxLeverage = 5;
 
   TenTenOneConfigChangeNotifier(this.channelInfoService);
 
@@ -19,6 +21,8 @@ class TenTenOneConfigChangeNotifier extends ChangeNotifier implements Subscriber
 
   ReferralStatus? get referralStatus => _referralStatus;
 
+  double get maxLeverage => _maxLeverage.toDouble();
+
   @override
   void notify(bridge.Event event) {
     if (event is bridge.Event_Authenticated) {
@@ -27,6 +31,7 @@ class TenTenOneConfigChangeNotifier extends ChangeNotifier implements Subscriber
       _liquidityOptions.sort((a, b) => a.rank.compareTo(b.rank));
 
       _referralStatus = ReferralStatus.from(event.field0.referralStatus);
+      _maxLeverage = event.field0.maxLeverage;
 
       super.notifyListeners();
     }

mobile/lib/common/domain/tentenone_config.dart

@@ -23,6 +23,7 @@ class TenTenOneConfig {
             numberOfTotalReferrals: 0,
             referralTier: 0,
             referralFeeBonus: 0,
-            bonusStatusType: bridge.BonusStatusType.None));
+            bonusStatusType: bridge.BonusStatusType.None),
+        maxLeverage: 5);
   }
 }

mobile/lib/features/trade/leverage_slider.dart

@@ -1,13 +1,14 @@
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:get_10101/common/application/tentenone_config_change_notifier.dart';
 import 'package:get_10101/common/color.dart';
 import 'package:get_10101/features/trade/trade_theme.dart';
 import 'package:intl/intl.dart';
+import 'package:provider/provider.dart';
 import 'package:syncfusion_flutter_sliders/sliders.dart';
 import 'package:syncfusion_flutter_core/theme.dart' as slider_theme;
 
 const double minLeverage = 1.0;
-const double maxLeverage = 5.0;
 
 /// Slider that allows the user to select a leverage between minLeverage and maxLeverage.
 /// It uses linear scale and fractional leverage values are rounded to the nearest integer.
@@ -34,6 +35,11 @@ class _LeverageSliderState extends State<LeverageSlider> {
 
   @override
   Widget build(BuildContext context) {
+    TenTenOneConfigChangeNotifier tentenoneConfigChangeNotifier =
+        context.read<TenTenOneConfigChangeNotifier>();
+
+    var maxLeverage = tentenoneConfigChangeNotifier.maxLeverage;
+
     return InputDecorator(
       decoration: InputDecoration(
         border: const OutlineInputBorder(),

mobile/native/src/api.rs

@@ -69,6 +69,7 @@ pub struct TenTenOneConfig {
     pub min_quantity: u64,
     pub maintenance_margin_rate: f32,
     pub referral_status: ReferralStatus,
+    pub max_leverage: u8,
 }
 
 impl From<xxi_node::commons::TenTenOneConfig> for TenTenOneConfig {
@@ -82,6 +83,7 @@ impl From<xxi_node::commons::TenTenOneConfig> for TenTenOneConfig {
             min_quantity: value.min_quantity,
             maintenance_margin_rate: value.maintenance_margin_rate,
             referral_status: value.referral_status.into(),
+            max_leverage: value.max_leverage,
         }
     }
 }

webapp/frontend/lib/services/trade_constraints_service.dart

@@ -64,6 +64,10 @@ class TradeConstraints {
   @JsonKey(name: 'channel_fee_reserve_sats')
   final int channelFeeReserveSats;
 
+  /// The max leverage the trader can take
+  @JsonKey(name: 'max_leverage')
+  final int maxLeverage;
+
   const TradeConstraints({
     required this.maxLocalBalanceSats,
     required this.maxCounterpartyBalanceSats,
@@ -73,6 +77,7 @@ class TradeConstraints {
     required this.minMarginSats,
     required this.estimatedFundingTxFeeSats,
     required this.channelFeeReserveSats,
+    required this.maxLeverage,
   });
 
   factory TradeConstraints.fromJson(Map<String, dynamic> json) => _$TradeConstraintsFromJson(json);

webapp/frontend/lib/trade/leverage_slider.dart

@@ -1,8 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:get_10101/change_notifier/trade_constraint_change_notifier.dart';
 import 'package:get_10101/common/color.dart';
 import 'package:get_10101/common/theme.dart';
 import 'package:intl/intl.dart';
+import 'package:provider/provider.dart';
 import 'package:syncfusion_flutter_sliders/sliders.dart';
 import 'package:syncfusion_flutter_core/theme.dart' as slider_theme;
 
@@ -11,7 +13,6 @@ const gradientColors = <Color>[Colors.green, Colors.deepOrange];
 const LinearGradient gradient = LinearGradient(colors: gradientColors);
 
 const double minLeverage = 1.0;
-const double maxLeverage = 5.0;
 
 /// Slider that allows the user to select a leverage between minLeverage and maxLeverage.
 /// It uses linear scale and fractional leverage values are rounded to the nearest integer.
@@ -36,6 +37,12 @@ class _LeverageSliderState extends State<LeverageSlider> {
 
   @override
   Widget build(BuildContext context) {
+    TradeConstraintsChangeNotifier tradeConstraintsChangeNotifier =
+        context.read<TradeConstraintsChangeNotifier>();
+
+    double maxLeverage =
+        tradeConstraintsChangeNotifier.tradeConstraints?.maxLeverage.toDouble() ?? 5.0;
+
     return InputDecorator(
       decoration: InputDecoration(
         border: const OutlineInputBorder(),

webapp/src/api.rs

@@ -18,6 +18,7 @@ use native::api::WalletHistoryItemType;
 use native::calculations::calculate_pnl;
 use native::channel_trade_constraints;
 use native::dlc;
+use native::state::try_get_tentenone_config;
 use native::trade::order::FailureReason;
 use native::trade::order::InvalidSubchannelOffer;
 use rust_decimal::prelude::ToPrimitive;
@@ -965,6 +966,7 @@ pub struct TradeConstraints {
     pub min_margin_sats: u64,
     pub estimated_funding_tx_fee_sats: u64,
     pub channel_fee_reserve_sats: u64,
+    pub max_leverage: u8,
 }
 
 #[utoipa::path(
@@ -976,6 +978,7 @@ responses(
 )]
 pub async fn get_trade_constraints() -> Result<Json<TradeConstraints>, AppError> {
     let trade_constraints = channel_trade_constraints::channel_trade_constraints()?;
+    let ten_one_config = try_get_tentenone_config().context("Could not read 10101 config")?;
     let fee = dlc::estimated_funding_tx_fee()?;
     let channel_fee_reserve = dlc::estimated_fee_reserve()?;
     Ok(Json(TradeConstraints {
@@ -987,6 +990,7 @@ pub async fn get_trade_constraints() -> Result<Json<TradeConstraints>, AppError>
         min_margin_sats: trade_constraints.min_margin,
         estimated_funding_tx_fee_sats: fee.to_sat(),
         channel_fee_reserve_sats: channel_fee_reserve.to_sat(),
+        max_leverage: ten_one_config.max_leverage,
     }))
 }