OverTheWire Vortex Level 0 Go solution

vortex0.go

package main 

import (
  "bytes"
  "encoding/binary"
  "fmt"
  "net"
)

func main() {

  conn, err := net.Dial("tcp", "vortex.labs.overthewire.org:5842")
  if err != nil {
    fmt.Println("Unable to connect to host", err)
  }
  
  var sum uint32 = 0
  
  for i := 0; i < 4; i++ {
    
    data := make([]byte, 4)
    conn.Read(data)
    
    var x uint32 = 0
    x = binary.LittleEndian.Uint32(data)
    fmt.Println("Read in", x)
    sum += x
    
  }
  
  fmt.Println("\nThe sum of read values is", sum)
  
  buf := new(bytes.Buffer)
  binary.Write(buf, binary.LittleEndian, sum)
  conn.Write(buf.Bytes())
  
  result := make([]byte, 64)
  n, err := conn.Read(result[0:])
  fmt.Println("\nRead", n, "bytes from socket\n\n", string(result))
  
  conn.Close()

}