Baseline: Ausgangszustand vor Modularisierung

Erster Commit des bestehenden monolithischen WinForms-Copytraders,
inklusive der Alt-Backups (*.bak), damit diese dauerhaft in der
Historie rekonstruierbar bleiben. Threema-Lib unter libs/ wurde
vendored (nested .git entfernt).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
bergm
2026-07-01 13:16:16 +02:00
co-authored by Claude Opus 4.8
commit 475d396f80
147 changed files with 25455 additions and 0 deletions
+799
View File
@@ -0,0 +1,799 @@
using System;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Security.Cryptography;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using Nethereum.Signer;
using Nethereum.Signer.EIP712;
using Nethereum.ABI.FunctionEncoding.Attributes;
using Nethereum.ABI.EIP712;
using Nethereum.Util;
using PolyTraderSharp.Models;
namespace PolyTraderSharp.Services
{
[Struct("EIP712Domain")]
public class ClobDomain
{
[Parameter("string", "name", 1)]
public string Name { get; set; } = string.Empty;
[Parameter("string", "version", 2)]
public string Version { get; set; } = "";
[Parameter("uint256", "chainId", 3)]
public System.Numerics.BigInteger ChainId { get; set; }
}
[Struct("EIP712Domain")]
public class CtfDomain
{
[Parameter("string", "name", 1)]
public string Name { get; set; } = string.Empty;
[Parameter("string", "version", 2)]
public string Version { get; set; } = string.Empty;
[Parameter("uint256", "chainId", 3)]
public ulong ChainId { get; set; }
[Parameter("address", "verifyingContract", 4)]
public string VerifyingContract { get; set; } = string.Empty;
}
[Struct("ClobAuth")]
public class ClobAuth
{
[Parameter("address", "address", 1)]
public string Address { get; set; } = string.Empty;
[Parameter("string", "timestamp", 2)]
public string Timestamp { get; set; } = "";
[Parameter("uint256", "nonce", 3)]
public System.Numerics.BigInteger Nonce { get; set; }
[Parameter("string", "message", 4)]
public string Message { get; set; } = string.Empty;
}
[Struct("Order")]
public class CtfOrder
{
[Parameter("uint256", "salt", 1)]
public System.Numerics.BigInteger Salt { get; set; }
[Parameter("address", "maker", 2)]
public string Maker { get; set; } = string.Empty;
[Parameter("address", "signer", 3)]
public string Signer { get; set; } = string.Empty;
[Parameter("address", "taker", 4)]
public string Taker { get; set; } = string.Empty;
[Parameter("uint256", "tokenId", 5)]
public System.Numerics.BigInteger TokenId { get; set; }
[Parameter("uint256", "makerAmount", 6)]
public System.Numerics.BigInteger MakerAmount { get; set; }
[Parameter("uint256", "takerAmount", 7)]
public System.Numerics.BigInteger TakerAmount { get; set; }
[Parameter("uint256", "expiration", 8)]
public System.Numerics.BigInteger Expiration { get; set; }
[Parameter("uint256", "nonce", 9)]
public System.Numerics.BigInteger Nonce { get; set; }
[Parameter("uint256", "feeRateBps", 10)]
public System.Numerics.BigInteger FeeRateBps { get; set; }
[Parameter("uint8", "side", 11)]
public byte Side { get; set; }
[Parameter("uint8", "signatureType", 12)]
public byte SignatureType { get; set; }
}
public class PolymarketClobClient
{
private readonly HttpClient _httpClient;
private readonly TerminalLogger _logger;
private const string ClobHost = "https://clob.polymarket.com";
private const int ChainId = 137;
private static readonly object _fileLock = new object();
public PolymarketClobClient(TerminalLogger logger, HttpClient httpClient)
{
_logger = logger;
_httpClient = httpClient;
}
/// <summary>
/// Creates an HMAC signature for authenticated requests to the Polymarket CLOB.
/// </summary>
private static string GenerateHmacSignature(string secret, string timestamp, string method, string requestPath, string body = "")
{
string payload = timestamp + method + requestPath + body;
// Convert URL-Safe Base64 back to Standard Base64
string b64 = secret.Replace('-', '+').Replace('_', '/');
switch (b64.Length % 4)
{
case 2: b64 += "=="; break;
case 3: b64 += "="; break;
}
byte[] secretBytes = Convert.FromBase64String(b64);
byte[] payloadBytes = Encoding.UTF8.GetBytes(payload);
using var hmac = new HMACSHA256(secretBytes);
byte[] hash = hmac.ComputeHash(payloadBytes);
string signature = Convert.ToBase64String(hash);
return signature.Replace('+', '-').Replace('/', '_');
}
/// <summary>
/// Derives a new Polymarket Level 2 API Key using an EIP712 Message signed by the L1 private key.
/// </summary>
public async Task<(string ApiKey, string ApiSecret, string ApiPassphrase)> DeriveApiKeyAsync(string privateKey, string walletAddress)
{
try
{
var signer = new Eip712TypedDataSigner();
var key = new EthECKey(privateKey);
string computedAddress = key.GetPublicAddress();
string timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
var typedData = new TypedData<ClobDomain>
{
Domain = new ClobDomain
{
Name = "ClobAuthDomain",
Version = "1",
ChainId = new System.Numerics.BigInteger(ChainId)
},
Types = Nethereum.ABI.EIP712.MemberDescriptionFactory.GetTypesMemberDescription(typeof(ClobDomain), typeof(ClobAuth)),
PrimaryType = "ClobAuth"
};
var clobAuth = new ClobAuth
{
Address = computedAddress,
Timestamp = timestamp,
Nonce = new System.Numerics.BigInteger(0),
Message = "This message attests that I control the given wallet"
};
var encoder = new Nethereum.ABI.EIP712.Eip712TypedDataEncoder();
var rawData = encoder.EncodeTypedData(clobAuth, typedData);
_logger.Warning($"DEBUG_CS_RAW_DATA: {Nethereum.Hex.HexConvertors.Extensions.HexByteConvertorExtensions.ToHex(rawData)}");
string signature = signer.SignTypedDataV4(clobAuth, typedData, key);
_logger.Warning($"DEBUG_CS_SIG: {signature}");
var request = new HttpRequestMessage(HttpMethod.Get, $"{ClobHost}/auth/derive-api-key");
request.Headers.Add("POLY_ADDRESS", computedAddress);
request.Headers.Add("POLY_SIGNATURE", signature);
request.Headers.Add("POLY_TIMESTAMP", timestamp);
request.Headers.Add("POLY_NONCE", "0");
using (var response = await _httpClient.SendAsync(request))
{
if (response.IsSuccessStatusCode)
{
var jsonStr = await response.Content.ReadAsStringAsync();
using var doc = JsonDocument.Parse(jsonStr);
string apiKey = doc.RootElement.GetProperty("apiKey").GetString() ?? "";
string secret = doc.RootElement.GetProperty("secret").GetString() ?? "";
string passphrase = doc.RootElement.GetProperty("passphrase").GetString() ?? "";
return (apiKey, secret, passphrase);
}
}
_logger.Warning($"Derivation failed. Attempting to CREATE new Api Key L2 instead...");
using (var request2 = new HttpRequestMessage(HttpMethod.Post, $"{ClobHost}/auth/api-key"))
{
request2.Headers.Add("POLY_ADDRESS", computedAddress);
request2.Headers.Add("POLY_SIGNATURE", signature);
request2.Headers.Add("POLY_TIMESTAMP", timestamp);
request2.Headers.Add("POLY_NONCE", "0");
using (var response2 = await _httpClient.SendAsync(request2))
{
if (response2.IsSuccessStatusCode)
{
var jsonStr = await response2.Content.ReadAsStringAsync();
using var doc = JsonDocument.Parse(jsonStr);
string apiKey = doc.RootElement.GetProperty("apiKey").GetString() ?? "";
string secret = doc.RootElement.GetProperty("secret").GetString() ?? "";
string passphrase = doc.RootElement.GetProperty("passphrase").GetString() ?? "";
return (apiKey, secret, passphrase);
}
else
{
string err = await response2.Content.ReadAsStringAsync();
_logger.Error($"Failed to execute L1 Auth: {response2.StatusCode} {err}");
}
}
}
}
catch (Exception ex)
{
_logger.Error($"DeriveApiKeyAsync Exception: {ex.Message}");
}
return (string.Empty, string.Empty, string.Empty);
}
public async Task<decimal> GetUsdcBalanceAsync(AccountState acc, bool isRetry = false)
{
if (string.IsNullOrEmpty(acc.ApiKey) || string.IsNullOrEmpty(acc.ApiSecret) || string.IsNullOrEmpty(acc.ApiPassphrase) || string.IsNullOrEmpty(acc.PrivateKey))
{
_logger.Warning($"🔑 [{acc.Name}] Skipping balance fetch: ApiKey={!string.IsNullOrEmpty(acc.ApiKey)}, Secret={!string.IsNullOrEmpty(acc.ApiSecret)}, Pass={!string.IsNullOrEmpty(acc.ApiPassphrase)}, PK={!string.IsNullOrEmpty(acc.PrivateKey)}");
return 0;
}
try
{
string endpoint = "/balance-allowance";
string requestUrl = $"{endpoint}?asset_type=COLLATERAL&signature_type=2";
string timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
// Python SDK signs ONLY the base path, not the query params
string signature = GenerateHmacSignature(acc.ApiSecret, timestamp, "GET", endpoint);
var request = new HttpRequestMessage(HttpMethod.Get, $"{ClobHost}{requestUrl}");
var keyObj = new EthECKey(acc.PrivateKey.Replace("0x", ""));
request.Headers.Add("POLY_ADDRESS", keyObj.GetPublicAddress());
request.Headers.Add("POLY_API_KEY", acc.ApiKey);
request.Headers.Add("POLY_SIGNATURE", signature);
request.Headers.Add("POLY_TIMESTAMP", timestamp);
request.Headers.Add("POLY_PASSPHRASE", acc.ApiPassphrase);
using var response = await _httpClient.SendAsync(request);
if (response.IsSuccessStatusCode)
{
var jsonStr = await response.Content.ReadAsStringAsync();
_logger.Info($"💰 [{acc.Name}] Balance API Response: {jsonStr}");
using var doc = JsonDocument.Parse(jsonStr);
if (doc.RootElement.ValueKind == JsonValueKind.Object && doc.RootElement.TryGetProperty("balance", out var balProp))
{
var balanceStr = balProp.GetString();
if (decimal.TryParse(balanceStr, System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture, out decimal balRaw))
{
decimal finalBal = balRaw / 1_000_000m;
_logger.Info($"💰 [{acc.Name}] Parsed Balance: {finalBal} USDC (raw: {balRaw})");
return finalBal;
}
}
_logger.Warning($"💰 [{acc.Name}] Could not parse 'balance' from response: {jsonStr}");
}
else if (response.StatusCode == System.Net.HttpStatusCode.Unauthorized || response.StatusCode == System.Net.HttpStatusCode.Forbidden)
{
string errStr = await response.Content.ReadAsStringAsync();
_logger.Warning($"🌐 [{acc.Name}] API Keys expired/invalid. Deriving new L2 Keys from PrivateKey...");
if (!isRetry && !string.IsNullOrEmpty(acc.PrivateKey) && !string.IsNullOrEmpty(acc.WalletAddress))
{
var fallbackKeyObj = new EthECKey(acc.PrivateKey.Replace("0x", ""));
var newKeys = await DeriveApiKeyAsync(acc.PrivateKey, fallbackKeyObj.GetPublicAddress());
if (!string.IsNullOrEmpty(newKeys.ApiKey))
{
acc.ApiKey = newKeys.ApiKey;
acc.ApiSecret = newKeys.ApiSecret;
acc.ApiPassphrase = newKeys.ApiPassphrase;
_logger.Info($"🌐 [{acc.Name}] Successfully derived new L2 Keys! Resuming in 2.5s...");
// Await propagation of new keys inside Polymarket's Gamma backend
await Task.Delay(2500);
// Retry recursively strictly once
return await GetUsdcBalanceAsync(acc, true);
}
}
_logger.Error($"CLOB Balance Fetch failed: {response.StatusCode} {errStr}");
}
else
{
string errStr = await response.Content.ReadAsStringAsync();
_logger.Error($"CLOB Balance Fetch failed: {response.StatusCode} {errStr}");
}
}
catch (Exception ex)
{
_logger.Error($"CLOB Balance Fetch Error: {ex.Message}");
}
return 0;
}
public async Task<System.Collections.Generic.List<(string Id, string Side, decimal Price)>> GetOpenOrdersAsync(AccountState acc, string assetId)
{
var result = new System.Collections.Generic.List<(string Id, string Side, decimal Price)>();
if (string.IsNullOrEmpty(acc.ApiKey) || string.IsNullOrEmpty(acc.ApiSecret) || string.IsNullOrEmpty(acc.ApiPassphrase) || string.IsNullOrEmpty(acc.PrivateKey))
return result;
try
{
string endpoint = "/data/orders";
string requestUrl = $"{endpoint}?asset_id={assetId}";
string timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
string signature = GenerateHmacSignature(acc.ApiSecret, timestamp, "GET", endpoint);
var request = new HttpRequestMessage(HttpMethod.Get, $"{ClobHost}{requestUrl}");
var keyObj = new EthECKey(acc.PrivateKey.Replace("0x", ""));
request.Headers.Add("POLY_ADDRESS", keyObj.GetPublicAddress());
request.Headers.Add("POLY_API_KEY", acc.ApiKey);
request.Headers.Add("POLY_SIGNATURE", signature);
request.Headers.Add("POLY_TIMESTAMP", timestamp);
request.Headers.Add("POLY_PASSPHRASE", acc.ApiPassphrase);
using var response = await _httpClient.SendAsync(request);
if (response.IsSuccessStatusCode)
{
var jsonStr = await response.Content.ReadAsStringAsync();
using var doc = JsonDocument.Parse(jsonStr);
if (doc.RootElement.TryGetProperty("data", out var dataArr) && dataArr.ValueKind == JsonValueKind.Array)
{
foreach (var orderLine in dataArr.EnumerateArray())
{
if (orderLine.TryGetProperty("orderID", out var oid) || orderLine.TryGetProperty("id", out oid))
{
string idStr = oid.GetString() ?? "";
string sideStr = orderLine.TryGetProperty("side", out var s) ? (s.GetString() ?? "") : "";
string priceStr = orderLine.TryGetProperty("price", out var p) ? (p.GetString() ?? "0") : "0";
decimal.TryParse(priceStr, System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture, out decimal priceDec);
if (!string.IsNullOrEmpty(idStr))
result.Add((idStr, sideStr, priceDec));
}
}
}
else if (doc.RootElement.ValueKind == JsonValueKind.Array)
{
foreach (var orderLine in doc.RootElement.EnumerateArray())
{
if (orderLine.TryGetProperty("orderID", out var oid) || orderLine.TryGetProperty("id", out oid))
{
string idStr = oid.GetString() ?? "";
string sideStr = orderLine.TryGetProperty("side", out var s) ? (s.GetString() ?? "") : "";
string priceStr = orderLine.TryGetProperty("price", out var p) ? (p.GetString() ?? "0") : "0";
decimal.TryParse(priceStr, System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture, out decimal priceDec);
if (!string.IsNullOrEmpty(idStr))
result.Add((idStr, sideStr, priceDec));
}
}
}
}
else
{
string errStr = await response.Content.ReadAsStringAsync();
_logger.Warning($"Failed to GET open orders for {assetId}: {response.StatusCode} {errStr}");
}
}
catch (Exception ex)
{
_logger.Error($"GetOpenOrdersAsync Error: {ex.Message}");
}
return result;
}
public async Task<bool> CancelOrderAsync(AccountState acc, string orderId)
{
if (string.IsNullOrEmpty(acc.ApiKey) || string.IsNullOrEmpty(acc.ApiSecret) || string.IsNullOrEmpty(acc.ApiPassphrase) || string.IsNullOrEmpty(acc.PrivateKey))
return false;
try
{
string endpoint = "/order";
var reqBody = new { orderID = orderId };
string jsonBody = JsonSerializer.Serialize(reqBody);
string timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
string signature = GenerateHmacSignature(acc.ApiSecret, timestamp, "DELETE", endpoint, jsonBody);
using var request = new HttpRequestMessage(HttpMethod.Delete, $"{ClobHost}{endpoint}");
var keyObj = new EthECKey(acc.PrivateKey.Replace("0x", ""));
request.Headers.Add("POLY_ADDRESS", keyObj.GetPublicAddress());
request.Headers.Add("POLY_API_KEY", acc.ApiKey);
request.Headers.Add("POLY_SIGNATURE", signature);
request.Headers.Add("POLY_TIMESTAMP", timestamp);
request.Headers.Add("POLY_PASSPHRASE", acc.ApiPassphrase);
request.Content = new StringContent(jsonBody, Encoding.UTF8, "application/json");
using var response = await _httpClient.SendAsync(request);
if (response.IsSuccessStatusCode)
{
_logger.Info($"🚮 [{acc.Name}] Stornierung erfolgreich. OrderID: {orderId}");
return true;
}
else
{
string errStr = await response.Content.ReadAsStringAsync();
_logger.Warning($"Failed to cancel order {orderId}: {response.StatusCode} {errStr}");
return false;
}
}
catch (Exception ex)
{
_logger.Error($"CancelOrderAsync Error: {ex.Message}");
return false;
}
}
public async Task CancelConflictingOrdersAsync(AccountState acc, string assetId, decimal newPrice, string sideStr)
{
var openOrders = await GetOpenOrdersAsync(acc, assetId);
if (openOrders.Count > 0)
{
var tasks = new System.Collections.Generic.List<Task>();
foreach (var order in openOrders)
{
bool shouldCancel = false;
if (sideStr.Equals("SELL", StringComparison.OrdinalIgnoreCase))
{
shouldCancel = true;
_logger.Info($"⚠️ [{acc.Name}] Storniere Order {order.Id} wegen Verkaufs-Signal des Master-Traders.");
}
else if (sideStr.Equals("BUY", StringComparison.OrdinalIgnoreCase) && order.Side.Equals("BUY", StringComparison.OrdinalIgnoreCase))
{
if (Math.Abs(order.Price - newPrice) > 0.001m)
{
shouldCancel = true;
_logger.Info($"⚠️ [{acc.Name}] Storniere veraltete Order {order.Id} (Alter Preis: {order.Price:F3}, Neuer Preis: {newPrice:F3})");
}
else
{
_logger.Info($"✅ [{acc.Name}] Behalte bestehende Order {order.Id} (Preis identisch: {order.Price:F3})");
}
}
if (shouldCancel)
{
tasks.Add(CancelOrderAsync(acc, order.Id));
}
}
if (tasks.Count > 0)
{
await Task.WhenAll(tasks);
// Minimal delay to ensure rapid executions don't conflict with in-flight deletions
await Task.Delay(150);
}
}
}
private static System.Numerics.BigInteger GenerateSalt()
{
// Generate a salt similar to Py Clob Client (fits safely in a standard 64-bit int / JS Number)
long t = DateTimeOffset.UtcNow.ToUnixTimeSeconds();
int r = System.Security.Cryptography.RandomNumberGenerator.GetInt32(0, 10000);
return new System.Numerics.BigInteger(t * 10000 + r);
}
public static (decimal shares, decimal usdc, decimal makerRaw, decimal takerRaw) CalculateExactOrderAmounts(decimal investAmountUsd, decimal rawPrice, decimal limitPrice, string sideStr, string orderType = "FOK", decimal? overrideTickSize = null, int? overrideMakerDecimals = null, int? overrideTakerDecimals = null)
{
decimal tickSize = overrideTickSize ?? 0.001m;
int priceDec, sizeDec, amtDec;
if (tickSize >= 0.1m) { priceDec = 1; sizeDec = 2; amtDec = 3; }
else if (tickSize >= 0.01m) { priceDec = 2; sizeDec = 2; amtDec = 4; }
else if (tickSize >= 0.001m) { priceDec = 3; sizeDec = 2; amtDec = 5; }
else { priceDec = 4; sizeDec = 2; amtDec = 6; }
decimal priceRounded = Math.Round(limitPrice > 0 ? limitPrice : rawPrice, priceDec, MidpointRounding.AwayFromZero);
if (priceRounded < tickSize) priceRounded = tickSize;
decimal executedShares = 0m;
decimal executedUsdc = 0m;
decimal finalMakerAmountRaw = 0m;
decimal finalTakerAmountRaw = 0m;
if (sideStr.ToUpper() == "BUY")
{
decimal rawTakerShares = investAmountUsd / priceRounded;
decimal multiplier = (decimal)Math.Pow(10, sizeDec);
decimal takerShares = Math.Floor(rawTakerShares * multiplier) / multiplier;
if (takerShares <= 0) return (-1, -1, 0, 0);
decimal makerUsd = 0m;
// Polymarket strictly enforces $1.00 minimum for MARKET BUYS and verifies it against the supported shares.
// We increment takerShares until the floored USDC amount supports the exact shares without dropping below $1.00.
decimal step = 1.0m / multiplier;
while (takerShares > 0)
{
makerUsd = takerShares * priceRounded;
int actDec = BitConverter.GetBytes(decimal.GetBits(makerUsd)[3])[2];
if (actDec > amtDec)
{
decimal mul2 = (decimal)Math.Pow(10, amtDec + 4);
makerUsd = Math.Ceiling(makerUsd * mul2) / mul2;
if (BitConverter.GetBytes(decimal.GetBits(makerUsd)[3])[2] > amtDec)
{
decimal mul3 = (decimal)Math.Pow(10, amtDec);
makerUsd = Math.Floor(makerUsd * mul3) / mul3;
}
}
decimal supportedShares = Math.Floor((makerUsd / priceRounded) * multiplier) / multiplier;
if (makerUsd >= 1.0m && supportedShares >= takerShares)
break;
takerShares += step;
}
finalTakerAmountRaw = Math.Round(takerShares * 1_000_000m);
finalMakerAmountRaw = Math.Round(makerUsd * 1_000_000m);
executedShares = takerShares;
executedUsdc = makerUsd;
}
else
{
decimal sharesRaw = investAmountUsd / priceRounded;
decimal multiplier = (decimal)Math.Pow(10, sizeDec);
decimal makerShares = Math.Floor(sharesRaw * multiplier) / multiplier;
// Polymarket STRICTLY enforces a 5 share minimum for ANY sell order on the CLOB
if (makerShares < 5.0m) return (-1, -1, 0, 0);
decimal takerUsd = makerShares * priceRounded;
int actDec = BitConverter.GetBytes(decimal.GetBits(takerUsd)[3])[2];
if (actDec > amtDec)
{
decimal mul2 = (decimal)Math.Pow(10, amtDec + 4);
takerUsd = Math.Ceiling(takerUsd * mul2) / mul2;
if (BitConverter.GetBytes(decimal.GetBits(takerUsd)[3])[2] > amtDec)
{
decimal mul3 = (decimal)Math.Pow(10, amtDec);
takerUsd = Math.Floor(takerUsd * mul3) / mul3;
}
}
finalMakerAmountRaw = Math.Round(makerShares * 1_000_000m);
finalTakerAmountRaw = Math.Round(takerUsd * 1_000_000m);
executedShares = makerShares;
executedUsdc = takerUsd;
}
return (executedShares, executedUsdc, finalMakerAmountRaw, finalTakerAmountRaw);
}
/// <summary>
/// Executes a native EIP-712 signed order (default Fill-Or-Kill)
/// </summary>
public async Task<string> PlaceOrderAsync(AccountState account, string tokenId, string sideStr, decimal investAmountUsd, decimal limitPrice, string orderType = "FOK", bool debugPayloadLog = false, bool isNegRisk = false, int actualFeeBps = 0, decimal? overrideTickSize = null, int? overrideMakerDecimals = null, int? overrideTakerDecimals = null)
{
if (string.IsNullOrEmpty(account.PrivateKey) || string.IsNullOrEmpty(account.ApiKey))
return "Error: Missing API or Private Keys";
try
{
var signer = new Eip712TypedDataSigner();
var key = new EthECKey(account.PrivateKey);
var typedData = new TypedData<CtfDomain>
{
Domain = new CtfDomain
{
Name = "Polymarket CTF Exchange",
Version = "1",
ChainId = ChainId,
VerifyingContract = isNegRisk ? "0xC5d563A36AE78145C45a50134d48A1215220f80a" : "0x4bFb41d5B3570DeFd03C39a9A4D8dE6Bd8B8982E"
},
Types = Nethereum.ABI.EIP712.MemberDescriptionFactory.GetTypesMemberDescription(typeof(CtfDomain), typeof(CtfOrder)),
PrimaryType = "Order"
};
var amounts = CalculateExactOrderAmounts(investAmountUsd, limitPrice, limitPrice, sideStr, orderType, overrideTickSize, overrideMakerDecimals, overrideTakerDecimals);
if (amounts.shares <= 0)
return $"Mathematical tick size error: Balance too small to meet fractional quantum limit for exact price matching";
decimal makerAmountRaw = amounts.makerRaw;
decimal takerAmountRaw = amounts.takerRaw;
System.Numerics.BigInteger parsedTokenId;
if (tokenId.StartsWith("0x") || tokenId.Any(c => "abcdefABCDEF".Contains(c)))
{
parsedTokenId = new Nethereum.Hex.HexTypes.HexBigInteger(tokenId.StartsWith("0x") ? tokenId : "0x" + tokenId).Value;
}
else
{
parsedTokenId = System.Numerics.BigInteger.Parse(tokenId);
}
var ctfOrder = new CtfOrder
{
Salt = GenerateSalt(),
Maker = account.WalletAddress,
Signer = key.GetPublicAddress(),
Taker = "0x0000000000000000000000000000000000000000",
TokenId = parsedTokenId,
MakerAmount = new System.Numerics.BigInteger(makerAmountRaw),
TakerAmount = new System.Numerics.BigInteger(takerAmountRaw),
Expiration = 0,
Nonce = 0,
FeeRateBps = new System.Numerics.BigInteger(actualFeeBps),
Side = sideStr.ToUpper() == "BUY" ? (byte)0 : (byte)1,
SignatureType = 2
};
string signature = signer.SignTypedDataV4(ctfOrder, typedData, key);
var reqBody = new
{
order = new
{
salt = (long)ctfOrder.Salt,
maker = ctfOrder.Maker.ToLower(),
signer = ctfOrder.Signer.ToLower(),
taker = ctfOrder.Taker.ToLower(),
tokenId = ctfOrder.TokenId.ToString(),
makerAmount = ctfOrder.MakerAmount.ToString(),
takerAmount = ctfOrder.TakerAmount.ToString(),
expiration = ctfOrder.Expiration.ToString(),
nonce = ctfOrder.Nonce.ToString(),
feeRateBps = ctfOrder.FeeRateBps.ToString(),
side = ctfOrder.Side == 0 ? "BUY" : "SELL",
signatureType = ctfOrder.SignatureType,
signature = signature
},
owner = account.ApiKey,
orderType = orderType
};
string jsonBody = JsonSerializer.Serialize(reqBody);
string timestamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
string requestPath = "/order";
string hmacSig = GenerateHmacSignature(account.ApiSecret, timestamp, "POST", requestPath, jsonBody);
using var request = new HttpRequestMessage(HttpMethod.Post, $"{ClobHost}{requestPath}");
var keyObj = new EthECKey(account.PrivateKey.Replace("0x", ""));
request.Headers.Add("POLY_ADDRESS", keyObj.GetPublicAddress());
request.Headers.Add("POLY_API_KEY", account.ApiKey);
request.Headers.Add("POLY_TIMESTAMP", timestamp);
request.Headers.Add("POLY_SIGNATURE", hmacSig);
request.Headers.Add("POLY_PASSPHRASE", account.ApiPassphrase);
request.Content = new StringContent(jsonBody, Encoding.UTF8, "application/json");
if (debugPayloadLog)
{
_logger.Debug($"[CLOB-PAYLOAD] -> {jsonBody}");
}
using var response = await _httpClient.SendAsync(request);
var responseContent = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
bool isFokFail = responseContent.Contains("FOK orders are fully filled or killed");
if (isFokFail && sideStr == "BUY")
{
// Dampen FOK failed BUY logs. Usually means target price/liquidity not met for full copy size.
// We skip it silently.
return "SKIPPED_LIQUIDITY";
}
lock (_fileLock)
{
System.IO.File.WriteAllText("last_invalid_payload.json", jsonBody);
}
if (isFokFail && sideStr == "SELL")
{
_logger.Warning($"Liquidität für FOK SELL reicht nicht aus. (Orderbook Size limit). Rest-Shares bleiben erhalten.");
return "Nicht genügend Liquidität für vollumfänglichen Verkauf auf diesem Preisniveau (FOK).";
}
else
{
var tickMatch = System.Text.RegularExpressions.Regex.Match(responseContent, @"breaks minimum tick size rule: ([\d\.]+)");
if (tickMatch.Success && overrideTickSize == null)
{
if (decimal.TryParse(tickMatch.Groups[1].Value, System.Globalization.NumberStyles.Any, System.Globalization.CultureInfo.InvariantCulture, out decimal newTickSize))
{
_logger.Info($"🔄 Automatische Anpassung an Markt Tick-Size ({newTickSize}). Order wird erneut berechnet und platziert...");
return await PlaceOrderAsync(account, tokenId, sideStr, investAmountUsd, limitPrice, orderType, debugPayloadLog, isNegRisk, actualFeeBps, newTickSize, overrideMakerDecimals, overrideTakerDecimals);
}
}
var decMatch = System.Text.RegularExpressions.Regex.Match(responseContent, @"maker amount supports a max accuracy of (\d+) decimals, taker amount a max of (\d+) decimals");
if (decMatch.Success && overrideMakerDecimals == null)
{
if (int.TryParse(decMatch.Groups[1].Value, out int newMaker) && int.TryParse(decMatch.Groups[2].Value, out int newTaker))
{
_logger.Info($"🔄 Automatische Anpassung an Dezimalregeln (Maker: {newMaker}, Taker: {newTaker}). Order wird neu berechnet...");
return await PlaceOrderAsync(account, tokenId, sideStr, investAmountUsd, limitPrice, orderType, debugPayloadLog, isNegRisk, actualFeeBps, overrideTickSize, newMaker, newTaker);
}
}
// Check if error is "invalid fee rate" -> Extract required fee -> Retry!
var match = System.Text.RegularExpressions.Regex.Match(responseContent, @"invalid fee rate \(\d+\), current market's (?:taker|maker) fee: (\d+)");
if (match.Success && actualFeeBps == 0) // Only retry once
{
if (int.TryParse(match.Groups[1].Value, out int newFeeBps))
{
_logger.Info($"🔄 Automatische Anpassung an Fee Rate ({newFeeBps} bps). Order wird erneut platziert...");
return await PlaceOrderAsync(account, tokenId, sideStr, investAmountUsd, limitPrice, orderType, debugPayloadLog, isNegRisk, newFeeBps, overrideTickSize);
}
}
// Check if error is "Size lower than minimum 5" -> Fallback to MARKET
var sizeMatch = System.Text.RegularExpressions.Regex.Match(responseContent, @"Size \([\d\.]+\) lower than the minimum: (\d+)");
if (sizeMatch.Success)
{
if (decimal.TryParse(sizeMatch.Groups[1].Value, out decimal minReq))
{
if (orderType != "MARKET")
{
_logger.Info($"🔄 Automatische Anpassung an Minimum Size Limit (Limitorder < {minReq}). Order wird als MARKET platziert...");
return await PlaceOrderAsync(account, tokenId, sideStr, investAmountUsd, limitPrice, "MARKET", debugPayloadLog, isNegRisk, actualFeeBps, overrideTickSize, overrideMakerDecimals, overrideTakerDecimals);
}
else if (sideStr == "SELL")
{
_logger.Warning($"Verkauf von unter {minReq} Shares auf Polymarket nicht möglich (Orderbook Limit). Position muss aufgestockt werden oder auslaufen.");
return $"Börsenlimit: Mindestens {minReq} Shares erforderlich.";
}
}
}
var balMatch = System.Text.RegularExpressions.Regex.Match(responseContent, @"balance: (\d+), sum of active orders: (\d+)");
if (balMatch.Success && sideStr == "SELL")
{
if (decimal.TryParse(balMatch.Groups[1].Value, out decimal totalBal) && decimal.TryParse(balMatch.Groups[2].Value, out decimal activeOrders))
{
decimal availableSharesRaw = totalBal - activeOrders;
decimal availableShares = availableSharesRaw / 1_000_000m;
decimal requiredShares = investAmountUsd / limitPrice;
if (availableShares > 0 && Math.Abs(availableShares - requiredShares) > 0.001m && availableShares < requiredShares)
{
decimal newInvestAmount = availableShares * limitPrice;
_logger.Info($"🔄 Automatische Anpassung an verfügbare Shares (Aktive Orders blockieren {activeOrders / 1000000m} Shares). Verkaufe restliche {availableShares} Shares...");
return await PlaceOrderAsync(account, tokenId, sideStr, newInvestAmount, limitPrice, orderType, debugPayloadLog, isNegRisk, actualFeeBps, overrideTickSize, overrideMakerDecimals, overrideTakerDecimals);
}
}
}
_logger.Error($"CLOB Order Error ({response.StatusCode}): {responseContent}");
}
return "ERROR";
}
if (response.IsSuccessStatusCode)
{
_logger.Info($"✅ Order Platzierung Erfolgreich! {sideStr} @ {limitPrice:F3}");
return "OK";
}
else
{
_logger.Error($"❌ Order Fehler: {response.StatusCode} - {responseContent}");
return responseContent;
}
}
catch (Exception ex)
{
_logger.Error($"PlaceFokOrderAsync Runtime Fehler: {ex.Message}");
return ex.Message;
}
}
}
}