From 20fb1fb1243e4de9bdb7220017b35c32b5ddc3bd Mon Sep 17 00:00:00 2001
From: David Hintermann <David.Hintermann@ost.ch>
Date: Mon, 2 Dec 2024 16:10:30 +0000
Subject: [PATCH] wip: tested reablance reserves
---
Frontend/AssetStores/PotatoStorage.cs | 28 +++--------
.../BackgroundServices/RebalanceService.cs | 46 +++++++++++++++++++
.../Marketplaces/PotatoMarketplaceMock.cs | 4 +-
Frontend/Pages/Index.cshtml.cs | 15 +++++-
Frontend/PoolV3Client.cs | 2 +-
Frontend/Program.cs | 1 +
grafana/dashboards/totalSupply.json | 15 +++---
7 files changed, 80 insertions(+), 31 deletions(-)
create mode 100644 Frontend/BackgroundServices/RebalanceService.cs
diff --git a/Frontend/AssetStores/PotatoStorage.cs b/Frontend/AssetStores/PotatoStorage.cs
index bf72759..d4623cc 100644
--- a/Frontend/AssetStores/PotatoStorage.cs
+++ b/Frontend/AssetStores/PotatoStorage.cs
@@ -15,28 +15,14 @@ public class PotatoStorage(DbContextOptions<PotatoStorage> options) : DbContext(
public async Task<PotatoTransaction> RemovePotatoes(double weight)
{
- var transactions = Transactions
- .OrderBy(p => p.Id)
- .AsQueryable();
-
- var newTransaction = new PotatoTransaction();
- foreach (var transaction in transactions)
+ var maxRemovableWeight = SupplyWeight();
+
+ var removingWeight = Math.Min(maxRemovableWeight, weight);
+ var newTransaction = new PotatoTransaction
{
- var newTransactionWeight = newTransaction.Weight + transaction.Weight;
- if (newTransactionWeight <= weight)
- {
- newTransaction.Weight += transaction.Weight;
- Transactions.Remove(transaction);
- }
- else
- {
- var overshoot = newTransactionWeight - weight;
- transaction.Weight -= overshoot;
- newTransaction.Weight += transaction.Weight;
- Transactions.Update(transaction);
- }
- }
-
+ Weight = -removingWeight,
+ };
+ await Transactions.AddAsync(newTransaction);
await SaveChangesAsync();
return newTransaction;
}
diff --git a/Frontend/BackgroundServices/RebalanceService.cs b/Frontend/BackgroundServices/RebalanceService.cs
new file mode 100644
index 0000000..408579c
--- /dev/null
+++ b/Frontend/BackgroundServices/RebalanceService.cs
@@ -0,0 +1,46 @@
+using System.Diagnostics.Metrics;
+using Frontend.Configuration;
+using Frontend.Metrics;
+using Nethereum.Web3;
+using Nethereum.Web3.Accounts;
+
+namespace Frontend.BackgroundServices;
+
+public class RebalanceService : BackgroundService
+{
+
+ private readonly ILogger<RebalanceService> _logger;
+ private readonly TimeSpan _interval = TimeSpan.FromSeconds(10);
+ private int startUpDelayCycles = 6;
+ private readonly Rebalancer _rebalancer;
+
+ public RebalanceService(
+ Rebalancer rebalancer,
+ Logger<RebalanceService> logger
+ )
+ {
+ _logger = logger;
+ _rebalancer = rebalancer;
+ }
+ protected async override Task ExecuteAsync(CancellationToken stoppingToken)
+ {
+ while (!stoppingToken.IsCancellationRequested)
+ {
+ if (startUpDelayCycles > 0)
+ {
+ _logger.LogInformation("RebalanceService is waiting to start. remaining cycles: {startUpDelayCycles}", startUpDelayCycles);
+ startUpDelayCycles--;
+ }
+ else
+ {
+ _logger.LogInformation("Rebalancer: EnsureCoinSupplyMatchesRwaSupplyAsync is running at {time}", DateTime.Now);
+ await _rebalancer.EnsureCoinSupplyMatchesRwaSupplyAsync();
+ _logger.LogInformation("Rebalancer: MaintainLiquidReservesAsync is running at {time}", DateTime.Now);
+ await _rebalancer.MaintainLiquidReservesAsync();
+ _logger.LogInformation("Rebalancer: MaintainPoolAsync is running at {time}", DateTime.Now);
+ await _rebalancer.MaintainPoolAsync();
+ }
+ await Task.Delay(_interval, stoppingToken);
+ }
+ }
+}
\ No newline at end of file
diff --git a/Frontend/Marketplaces/PotatoMarketplaceMock.cs b/Frontend/Marketplaces/PotatoMarketplaceMock.cs
index 1e638aa..5134cd9 100644
--- a/Frontend/Marketplaces/PotatoMarketplaceMock.cs
+++ b/Frontend/Marketplaces/PotatoMarketplaceMock.cs
@@ -14,7 +14,7 @@ public class PotatoMarketplaceMock(
string wethAddress
) : IPotatoMarketPlace
{
- private const double potatoKgChfPrice = 2.02; // source: https://www.blw.admin.ch/blw/de/home/markt/marktbeobachtung/kartoffeln.html
+ private const double potatoKgChfPrice = 0.8; //2.02; // source: https://www.blw.admin.ch/blw/de/home/markt/marktbeobachtung/kartoffeln.html
private readonly Account account = marketplaceAccount;
private readonly Web3 web3 = marketplaceWeb3Client;
@@ -60,7 +60,7 @@ public class PotatoMarketplaceMock(
public async Task<bool> Sell(PotatoTransaction transaction, string receiverAddress)
{
- var amount = (double)await PotatoKgWeiPrice() * transaction.Weight;
+ var amount = (double)await PotatoKgWeiPrice() * Math.Abs(transaction.Weight); // negative weight means selling
var transferHandler = web3.Eth.GetContractTransactionHandler<TransferFunction>();
var transferFunction = new TransferFunction
diff --git a/Frontend/Pages/Index.cshtml.cs b/Frontend/Pages/Index.cshtml.cs
index 6e2cbe2..96342b8 100644
--- a/Frontend/Pages/Index.cshtml.cs
+++ b/Frontend/Pages/Index.cshtml.cs
@@ -1,3 +1,5 @@
+using Frontend.Assets;
+using Frontend.AssetStores;
using Frontend.Configuration;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Nethereum.Web3;
@@ -12,14 +14,16 @@ public class IndexModel : PageModel
private readonly ChainSettings _chainSettings;
private readonly Account _account;
private readonly Rebalancer _rebalancer;
+ private readonly PotatoStorage _potatoStorage;
- public IndexModel(ILogger<IndexModel> logger, Web3 web3, ChainSettings chainSettings, Account account, Rebalancer rebalancer)
+ public IndexModel(ILogger<IndexModel> logger, Web3 web3, ChainSettings chainSettings, Account account, Rebalancer rebalancer, PotatoStorage potatoStorage)
{
_logger = logger;
_poolV3Client = new PoolV3Client(web3, chainSettings, account);
_chainSettings = chainSettings;
_account = account;
_rebalancer = rebalancer;
+ _potatoStorage = potatoStorage;
}
public void OnGet()
@@ -57,5 +61,14 @@ public class IndexModel : PageModel
if(Request.Query.ContainsKey("ensureRWA")){
_rebalancer.EnsureCoinSupplyMatchesRwaSupplyAsync().Wait();
}
+ if(Request.Query.ContainsKey("buyRwa")){
+ amount = decimal.Parse(Request.Query["buyRwa"]);
+ if(amount>0){
+ _potatoStorage.AddPotatoes(new PotatoTransaction{Weight=(double)amount}).Wait();
+ }else if(amount<0){
+ _potatoStorage.RemovePotatoes((double)Math.Abs(amount)).Wait();
+ }
+ }
+
}
}
diff --git a/Frontend/PoolV3Client.cs b/Frontend/PoolV3Client.cs
index ab1074f..d3b8a84 100644
--- a/Frontend/PoolV3Client.cs
+++ b/Frontend/PoolV3Client.cs
@@ -232,7 +232,7 @@ public class PoolV3Client
amount = (double)(liquidity * BigInteger.Pow(2, 96) * (sqrtPriceX96 - desiredSqrtPriceX96)) / (double)(desiredSqrtPriceX96 * sqrtPriceX96);
balance = await Token0Client.BalanceOf(_account.Address);
}
- amount *= 1.0 + (double)await QueryPoolFee() / 1000000.0; // add the pool fees (fee/1000)=%
+ amount /= 1.0 - (double)await QueryPoolFee() / 1000000.0; // add the pool fees (fee/1000)=%
var bigIntAmount = new BigInteger(amount);
if (balance < bigIntAmount)
diff --git a/Frontend/Program.cs b/Frontend/Program.cs
index 7dbadc8..524f8cc 100644
--- a/Frontend/Program.cs
+++ b/Frontend/Program.cs
@@ -40,6 +40,7 @@ chainConfiguration.Bind(chainSettings);
// Add services to the container.
builder.Services.AddHostedService<PrometheusService>();
+builder.Services.AddHostedService<RebalanceService>();
builder.Services.AddSingleton<Erc20TokenMetrics>();
builder.Services.AddSingleton<PotatoStorageMetrics>();
builder.Services.AddSingleton<PotatoMarketplaceMetrics>();
diff --git a/grafana/dashboards/totalSupply.json b/grafana/dashboards/totalSupply.json
index 8b02d01..efdbdd1 100644
--- a/grafana/dashboards/totalSupply.json
+++ b/grafana/dashboards/totalSupply.json
@@ -169,6 +169,7 @@
"mode": "off"
}
},
+ "decimals": 8,
"mappings": [],
"thresholds": {
"mode": "absolute",
@@ -567,13 +568,13 @@
},
"id": 11,
"options": {
- "displayLabels": [
- "percent"
- ],
"legend": {
"displayMode": "list",
"placement": "bottom",
- "showLegend": true
+ "showLegend": true,
+ "values": [
+ "percent"
+ ]
},
"pieType": "pie",
"reduceOptions": {
@@ -687,7 +688,9 @@
"id": 10,
"options": {
"legend": {
- "calcs": [],
+ "calcs": [
+ "last"
+ ],
"displayMode": "list",
"placement": "bottom",
"showLegend": true
@@ -965,6 +968,6 @@
"timezone": "browser",
"title": "Total Supply of ROC",
"uid": "ce3nybz6khudcd",
- "version": 1,
+ "version": 15,
"weekStart": ""
}
\ No newline at end of file
--
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