From 18e9cfd240042ae42a25e9b997aa8376b3b94df4 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Tue, 8 Dec 2020 19:35:06 +0100
Subject: [PATCH] Improve backtesting ui

---
 src/types/backtest.ts     |  2 ++
 src/views/Backtesting.vue | 19 +++++++++++++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/types/backtest.ts b/src/types/backtest.ts
index 290481ab..b37f570e 100644
--- a/src/types/backtest.ts
+++ b/src/types/backtest.ts
@@ -3,6 +3,8 @@ import { Trade } from './trades';
 export interface BacktestPayload {
   strategy: string;
   timerange: string;
+  max_open_trades?: number;
+  stake_amount?: number;
 }
 
 export interface PairResult {
diff --git a/src/views/Backtesting.vue b/src/views/Backtesting.vue
index 6ce11a6b..759ee2c7 100644
--- a/src/views/Backtesting.vue
+++ b/src/views/Backtesting.vue
@@ -71,6 +71,7 @@
             >
               <b-form-input
                 id="max-open-trades"
+                v-model="maxOpenTrades"
                 placeholder="Use strategy default"
                 type="number"
               ></b-form-input>
@@ -84,20 +85,21 @@
             >
               <b-form-input
                 id="stake-amount"
+                v-model="stakeAmount"
                 type="number"
                 placeholder="Use strategy default"
                 step="0.01"
               ></b-form-input>
             </b-form-group>
 
-            <b-form-group label-cols-sm="5" label="Fee:" label-align-sm="right" label-for="fee">
+            <!-- <b-form-group label-cols-sm="5" label="Fee:" label-align-sm="right" label-for="fee">
               <b-form-input
                 id="fee"
                 type="number"
                 placeholder="Use exchange default"
                 step="0.01"
               ></b-form-input>
-            </b-form-group>
+            </b-form-group> -->
           </b-form-group>
         </b-card>
       </div>
@@ -231,6 +233,10 @@ export default class Backtesting extends Vue {
 
   timerange = '';
 
+  maxOpenTrades = '';
+
+  stakeAmount = '';
+
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
   @ftbot.Action startBacktest!: (payload: BacktestPayload) => void;
 
@@ -265,6 +271,15 @@ export default class Backtesting extends Vue {
       strategy: this.strategy,
       timerange: this.timerange,
     };
+    if (this.maxOpenTrades && Number.isSafeInteger(this.maxOpenTrades)) {
+      // eslint-disable-next-line @typescript-eslint/camelcase
+      btPayload.max_open_trades = parseInt(this.maxOpenTrades, 10);
+    }
+    if (this.stakeAmount && Number.isSafeInteger(this.stakeAmount)) {
+      // eslint-disable-next-line @typescript-eslint/camelcase
+      btPayload.stake_amount = Number(this.stakeAmount);
+    }
+
     this.startBacktest(btPayload);
   }