// 現在の板情報を取得・表示
static async Task ShowBoard()
{
Console.WriteLine("");
Console.WriteLine("========================================");
Console.WriteLine("board");
Console.WriteLine("========================================");
// 板情報の表示 (売り板、買い板を10件ずつ)
Board board = await client.GetBoard();
foreach (var ask in Enumerable.Reverse(board.Asks.Take(10)))
{
Console.WriteLine(ask.ToString());
}
Console.WriteLine("------------------");
foreach (var bid in board.Bids.Take(10))
{
Console.WriteLine(bid.ToString());
}
// 中間価格
Console.WriteLine("");
Console.WriteLine("MiddlePrice = " + board.MiddlePrice);
Console.WriteLine("");
}
// 相場の変動が大きく変動したときに売買を行うボット
static async Task BotLogicBoard()
{
// 1分毎にチェック
double lastPrice = 0;
while (true)
{
// 板情報を取得
var board = await client.GetBoard();
double currentPrice = board.MiddlePrice; // 現在の中間価格
Console.WriteLine("current = " + currentPrice);
// 前回の相場と比較する
if (lastPrice != 0)
{
double gap = board.MiddlePrice - lastPrice;
// 1分間で100円値下がりしていたら買い時とみて買う
if (gap <= -100)
{
Console.WriteLine("buy");
await client.Buy(0.001);
}
// 1分間で100円値上がりしていたら売り時とみて売る
else if (gap >= 100)
{
Console.WriteLine("sell");
await client.Sell(0.001);
}
}
lastPrice = currentPrice;
// 1分待機
Console.WriteLine("wait");
await Task.Delay(60 * 1000);
}
}
async Task getOrderBook()
{
List <string> orderBookA = null;
List <string> orderBookB = null;
List <string> orderBook = null;
amounts = null;
bool first = true;
listBox1.Items.Add("Connecting to BitFlyer server ...");
while (true)
{
if (!first)
{
if (listBox1.DataSource.Equals(orderBookA))
{
orderBook = orderBookB;
}
else
{
orderBook = orderBookA;
}
orderBook.Clear();
amounts.Clear();
}
try
{
board = await client.GetBoard();
}
catch (Exception ex)
{
listBox1.BeginUpdate();
listBox1.DataSource = null;
listBox1.Items.Add("Connecting to BitFlyer server ...");
listBox1.Items.Add(ex);
listBox1.EndUpdate();
Console.WriteLine(ex);
first = true;
await Task.Delay(1000);
continue;
}
if (first)
{
SMAX = Math.Max(board.Asks.Count, board.Bids.Count) + 50;
orderBookA = new List <string>(SMAX * 2 + 1);
orderBookB = new List <string>(SMAX * 2 + 1);
orderBook = orderBookA;
amounts = new List <double>(SMAX * 2 + 1);
}
int n = SMAX - board.Asks.Count;
for (int i = 0; i < n; i++)
{
String index = (SMAX - i).ToString();
orderBook.Add(ss[4 - index.Length] + index + sc);
amounts.Add(0.1);
}
for (int i = (0 < n ? board.Asks.Count : SMAX) - 1; 0 <= i; i--)
{
String index = (i + 1).ToString();
String[] ask = board.Asks[i].Size.ToString().Split('.');
String pr = board.Asks[i].Price.ToString();
orderBook.Add(ss[4 - index.Length] + index + sc +
ss[5 - ask[0].Length] + ask[0] + (ask.Length == 2 ? ("." + ask[1] + ss[8 - ask[1].Length]) : ss[9]) +
ss[9 - pr.Length] + pr);
amounts.Add(board.Asks[i].Size);
}
String p = board.MiddlePrice.ToString();
orderBook.Add(s19 + ss[9 - p.Length] + p +
ss[6] + "spread: " + Math.Round(100 * (board.Asks[0].Price - board.Bids[0].Price) / board.MiddlePrice, 5).ToString() + " %");
amounts.Add(0);
n = SMAX - board.Bids.Count;
for (int i = 0; i < (0 < n ? board.Bids.Count : SMAX); i++)
{
String index = (i + 1).ToString();
String[] bid = board.Bids[i].Size.ToString().Split('.');
String pr = board.Bids[i].Price.ToString();
orderBook.Add(s19 +
ss[9 - pr.Length] + pr + ss[2] +
ss[5 - bid[0].Length] + bid[0] + (bid.Length == 2 ? ("." + bid[1] + ss[8 - bid[1].Length]) : ss[9]) +
ss[2] + sc + ss[4 - index.Length] + index);
amounts.Add(-1 * board.Bids[i].Size);
}
for (int i = 0; i < n; i++)
{
String index = (board.Bids.Count + i + 1).ToString();
orderBook.Add(s46 + sc + ss[4 - index.Length] + index);
amounts.Add(-0.1);
}
int foc = listBox1.SelectedIndex;
int pos = listBox1.TopIndex;
if (!mask)
{
listBox1.BeginUpdate();
listBox1.DataSource = orderBook;
listBox1.EndUpdate();
}
if (listBox1.DataSource == null)
{
await Task.Delay(1000);
continue;
}
listBox1.SelectedIndex = foc;
listBox1.TopIndex = pos;
if (first)
{
listBox1.TopIndex = SMAX - 20;
first = false;
}
await Task.Delay(1000);
}
}
