Bringing back the tiny chain project of learning how block chain stuff works :3

socket/Makefile

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+all: setup client-server
+
+setup:
+	mkdir -p bin/
+
+client-server: 
+	g++ transaction.cc client.cc -o bin/client
+	g++ transaction.cc client.cc -o bin/server
+
+clean:
+	rm -f bin/server
+	rm -f bin/client

socket/client.cc

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+// Sample of a client which sends up preconstructed data to our server
+#include <iostream>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+
+#include "transaction.h"
+
+#define PORT 6969
+
+int main(void) {
+    sockaddr_in server_addr;
+    Transaction sample_ta;
+    int sock = socket(AF_INET, SOCK_STREAM, 0);
+    if(sock < 0) {
+        std::cerr << "Could not create socket\n";
+        return 1;
+    }
+
+    server_addr.sin_family = AF_INET;
+    server_addr.sin_port = PORT;
+    if(inet_pton(AF_INET, "127.0.0.1", &server_addr.sin_addr) <= 0) {
+        std::cerr << "Invalid address\n";
+        return 1;
+    }
+    if(connect(sock, (sockaddr*)&server_addr, sizeof(server_addr)) < 0) {
+        std::cerr << "Conection failed\n";
+        return 1;
+    }
+
+    send(sock, &sample_ta, sizeof(Transaction), 0);
+    char buffer[1024] = {0};
+    int response = read(sock, buffer, 1024);
+    std::cout << "BEGIN BUFFER\n" << buffer << "\nEND BUFFER\n";
+    return 0;
+}

socket/server.cc

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+// sample server which merely parses out transactions
+#include <iostream>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+
+#include "transaction.h"
+
+
+int main(void) {
+    return 0;
+}

socket/transaction.cc

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+#include "transaction.h"
+
+Transaction::Transaction(void) {
+    this->magic = MAGIC;
+    this->meta = 0;
+    this->amount = 0;
+}

socket/transaction.h

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+#include <stdint.h>
+#define MAGIC 0x54314E59 // T1NY in hex btw
+
+struct Transaction {
+    uint32_t magic;
+    uint16_t meta;
+    uint64_t amount;
+    Transaction(void);
+};