Add server

core/Server.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"net/http"
+	"strings"
+)
+
+// ServeHTTP starts the HTTP server on port 8080
+func StartServer() {
+	http.HandleFunc("/", sayHello)
+
+	if err := http.ListenAndServe(":8080", nil); err != nil {
+		panic(err)
+	}
+}
+
+func sayHello(w http.ResponseWriter, r *http.Request) {
+	message := r.URL.Path
+	message = strings.TrimPrefix(message, "/")
+	message = "Hello " + message
+	w.Write([]byte(message))
+}

core/main.go

@@ -16,6 +16,8 @@ type Transaction struct {
 func main() {
 	blockchain := newBlockchain()
 
+	StartServer()
+
 	data, _ := json.Marshal(Transaction{Sender: "foo", Receiver: "bar", Amount: 100})
 	block := newBlock(blockchain.blocks[0].Hash, data)
 	blockchain.addBlock(block)