From 4e99c263b42c7440260879cd6a4131d4f15d8575 Mon Sep 17 00:00:00 2001
From: Andri Joos <andri@joos.io>
Date: Wed, 20 Nov 2024 23:54:16 +0100
Subject: [PATCH] add PotatoMarketplaceMock
---
.../Interfaces/IPotatoMarketplace.cs | 13 ++++++++
.../Marketplaces/PotatoMarketplaceMock.cs | 32 +++++++++++++++++++
Frontend/Program.cs | 3 ++
3 files changed, 48 insertions(+)
create mode 100644 Frontend/Marketplaces/Interfaces/IPotatoMarketplace.cs
create mode 100644 Frontend/Marketplaces/PotatoMarketplaceMock.cs
diff --git a/Frontend/Marketplaces/Interfaces/IPotatoMarketplace.cs b/Frontend/Marketplaces/Interfaces/IPotatoMarketplace.cs
new file mode 100644
index 0000000..757223d
--- /dev/null
+++ b/Frontend/Marketplaces/Interfaces/IPotatoMarketplace.cs
@@ -0,0 +1,13 @@
+using Frontend.Assets;
+
+namespace Frontend.Marketplaces.Interfaces
+{
+ public interface IPotatoMarketPlace
+ {
+ public double PotatoPrice { get; }
+ public double PotatoKgToChf(double kg);
+ public double ChfToPotatoKg(double chf);
+ public PotatoTransaction Buy(double amountInChf);
+ public double Sell(PotatoTransaction transaction);
+ }
+}
diff --git a/Frontend/Marketplaces/PotatoMarketplaceMock.cs b/Frontend/Marketplaces/PotatoMarketplaceMock.cs
new file mode 100644
index 0000000..fb3accf
--- /dev/null
+++ b/Frontend/Marketplaces/PotatoMarketplaceMock.cs
@@ -0,0 +1,32 @@
+using Frontend.Assets;
+using Frontend.Marketplaces.Interfaces;
+
+namespace Frontend.Marketplaces;
+
+public class PotatoMarketplaceMock() : IPotatoMarketPlace
+{
+ private const double potatoKgPrice = 2.02; // source: https://www.blw.admin.ch/blw/de/home/markt/marktbeobachtung/kartoffeln.html
+
+ public double PotatoPrice => potatoKgPrice;
+
+ public double ChfToPotatoKg(double chf)
+ {
+ return chf / potatoKgPrice;
+ }
+
+ public double PotatoKgToChf(double kg)
+ {
+ return kg * potatoKgPrice;
+ }
+
+ public PotatoTransaction Buy(double amountInChf)
+ {
+ var amountInKg = ChfToPotatoKg(amountInChf);
+ return new() { Weight = amountInKg };
+ }
+
+ public double Sell(PotatoTransaction transaction)
+ {
+ return PotatoKgToChf(transaction.Weight);
+ }
+}
diff --git a/Frontend/Program.cs b/Frontend/Program.cs
index 4e9f8a5..2bf5552 100644
--- a/Frontend/Program.cs
+++ b/Frontend/Program.cs
@@ -1,6 +1,8 @@
using Frontend;
using Frontend.AssetStores;
using Frontend.BackgroundServices;
+using Frontend.Marketplaces;
+using Frontend.Marketplaces.Interfaces;
using Frontend.Metrics;
using Microsoft.EntityFrameworkCore;
using OpenTelemetry.Metrics;
@@ -28,6 +30,7 @@ builder.Services.AddHostedService<PrometheusService>();
builder.Services.AddSingleton<Erc20TokenMetrics>();
builder.Services.AddSingleton<EthMetrics>();
builder.Services.AddSingleton<PotatoStorageMetrics>();
+builder.Services.AddSingleton<IPotatoMarketPlace>(sp => new PotatoMarketplaceMock());
builder.Services.AddSingleton(provider => new TokenClient(
chainApiUrl,
--
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