Add list blocks function

core/Server.go

@@ -1,13 +1,28 @@
 package main
 
 import (
+	"encoding/json"
 	"net/http"
 	"strings"
 )
 
-// ServeHTTP starts the HTTP server on port 8080
+var blockchain Blockchain
+
+// StartServer starts the HTTP server on port 8080
 func StartServer() {
+
+	blockchain = newBlockchain()
+
+	data, _ := json.Marshal(Transaction{Sender: "foo", Receiver: "bar", Amount: 100})
+	block := newBlock(blockchain.blocks[0].Hash, data)
+	blockchain.addBlock(block)
+
+	data2, _ := json.Marshal(Transaction{Sender: "bar", Receiver: "baz", Amount: 5000})
+	block = newBlock(blockchain.blocks[1].Hash, data2)
+	blockchain.addBlock(block)
+
 	http.HandleFunc("/", sayHello)
+	http.HandleFunc("/blockchain", listBlocks)
 
 	if err := http.ListenAndServe(":8080", nil); err != nil {
 		panic(err)
@@ -20,3 +35,7 @@ func sayHello(w http.ResponseWriter, r *http.Request) {
 	message = "Hello " + message
 	w.Write([]byte(message))
 }
+
+func listBlocks(w http.ResponseWriter, r *http.Request) {
+	json.NewEncoder(w).Encode(blockchain.blocks)
+}