[RFC PATCH 7/9] gwarnt: Create the initial example

[Alviro Iskandar Setiawan <alviro.iskandar@gnuweeb.org>]

Initial example to show the usage.

Signed-off-by: Alviro Iskandar Setiawan <alviro.iskandar@gnuweeb.org>
---
 src/gwarnt/entry.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/src/gwarnt/entry.cpp b/src/gwarnt/entry.cpp
index 4a74df9..044234e 100644
--- a/src/gwarnt/entry.cpp
+++ b/src/gwarnt/entry.cpp
@@ -1,6 +1,48 @@
 // SPDX-License-Identifier: GPL-2.0-only
 
+#include <unistd.h>
+#include <iostream>
+#include <gwarnt/p2p/okx.hpp>
+#include <gwarnt/p2p/binance.hpp>
+#include <gwarnt/arbitrage.hpp>
+
 int main(void)
 {
+	std::vector<gwarnt::p2p_ad> buy_bnc, sell_bnc;
+	std::vector<gwarnt::p2p_ad> buy_okx, sell_okx;
+	std::vector<gwarnt::arb_opp> opportunities;
+	gwarnt::p2p::binance bnc;
+	gwarnt::p2p::okx okx;
+
+	while (1) {
+		printf("Fetching data ...\n");
+		buy_bnc = bnc.get_data("IDR", "USDT", "BUY");
+		sell_bnc = bnc.get_data("IDR", "USDT", "SELL");
+
+		buy_okx = okx.get_data("IDR", "USDT", "BUY");
+		sell_okx = okx.get_data("IDR", "USDT", "SELL");
+		printf("Binance: %lu buy, %lu sell\n", buy_bnc.size(), sell_bnc.size());
+		printf("OKX: %lu buy, %lu sell\n", buy_okx.size(), sell_okx.size());
+
+		opportunities = gwarnt::find_arbitrage_opps(sell_okx, buy_bnc);
+		for (const auto &i : opportunities) {
+			std::cout << i.sell.dump() << std::endl;
+			std::cout << "====================" << std::endl;
+			std::cout << i.buy.dump() << std::endl;
+			std::cout << "----------------------------------------------" << std::endl;
+		}
+
+		opportunities = gwarnt::find_arbitrage_opps(sell_bnc, buy_okx);
+		for (const auto &i : opportunities) {
+			std::cout << i.sell.dump() << std::endl;
+			std::cout << "====================" << std::endl;
+			std::cout << i.buy.dump() << std::endl;
+			std::cout << "----------------------------------------------" << std::endl;
+		}
+
+		printf("Sleeping...\n");
+		sleep(5);
+	}
+
 	return 0;
 }
-- 
Alviro Iskandar Setiawan