Browse Source

added server, route Get NetworkMap, added save to mongodb Nodes and Edges

master
arnaucode 7 years ago
parent
commit
46bf846ef6
7 changed files with 304 additions and 11 deletions
  1. +22
    -0
      exploreBlockchain.go
  2. +30
    -0
      ipFilter.go
  3. +17
    -2
      main.go
  4. +6
    -1
      mongoModels.go
  5. +43
    -8
      mongoOperations.go
  6. +69
    -0
      serverConfig.go
  7. +117
    -0
      serverRoutes.go

+ 22
- 0
exploreBlockchain.go

@ -91,6 +91,28 @@ func explore(client *btcrpcclient.Client, blockHash string) {
blockHash = block.NextHash
//analyze block creator
for _, t := range newBlock.Tx {
var n1 NodeModel
var n2 NodeModel
n1.Id = t.From
n1.Label = t.From
n1.Value = 1
n1.Shape = "dot"
n2.Id = t.To
n2.Label = t.To
n2.Value = 1
n2.Shape = "dot"
var e EdgeModel
e.From = t.From
e.To = t.To
e.Label = t.Amount
e.Txid = t.Txid
saveNode(nodeCollection, n1)
saveNode(nodeCollection, n2)
saveEdge(edgeCollection, e)
}
}
fmt.Print("realBlocks (blocks with Fee and Amount values): ")

+ 30
- 0
ipFilter.go

@ -0,0 +1,30 @@
package main
import (
"errors"
"fmt"
"net/http"
"strings"
)
func ipFilter(w http.ResponseWriter, r *http.Request) {
var err error
fmt.Println(r.RemoteAddr)
reqIP := strings.Split(r.RemoteAddr, ":")[0]
for _, ip := range serverConfig.BlockedIPs {
if reqIP == ip {
err = errors.New("ip not allowed to post images")
}
}
for _, ip := range serverConfig.AllowedIPs {
if reqIP != ip {
err = errors.New("ip not allowed to post images")
}
}
//return err
if err != nil {
fmt.Fprintln(w, err.Error())
return
}
}

+ 17
- 2
main.go

@ -1,11 +1,15 @@
package main
import (
"fmt"
"log"
"net/http"
"os"
mgo "gopkg.in/mgo.v2"
"github.com/btcsuite/btcrpcclient"
"github.com/fatih/color"
)
var blockCollection *mgo.Collection
@ -45,8 +49,12 @@ func main() {
for label, amount := range accounts {
log.Printf("%s: %s", label, amount)
}
explore(client, config.GenesisBlock)
if len(os.Args) > 1 {
if os.Args[1] == "-explore" {
fmt.Println("starting to explore blockchain")
explore(client, config.GenesisBlock)
}
}
// Get the current block count.
blockCount, err := client.GetBlockCount()
@ -54,4 +62,11 @@ func main() {
log.Fatal(err)
}
log.Printf("Block count: %d", blockCount)
//http server start
readServerConfig("./serverConfig.json")
color.Green("server running")
router := NewRouter()
log.Fatal(http.ListenAndServe(":"+serverConfig.ServerPort, router))
}

+ 6
- 1
mongoModels.go

@ -25,8 +25,13 @@ type NodeModel struct {
}
type EdgeModel struct {
Txid string
From string
To string
Label string
Label float64
Arrows string
}
type NetworkModel struct {
Nodes []NodeModel
Edges []EdgeModel
}

+ 43
- 8
mongoOperations.go

@ -63,13 +63,48 @@ func saveBlock(c *mgo.Collection, block BlockModel) {
}
}
func saveNode(c *mgo.Collection, block BlockModel) {
var node NodeModel
node.Id = block.Hash
node.Label = block.Hash
node.Title = block.Hash
node.Value = 1
node.Shape = "dot"
func getAllNodes() ([]NodeModel, error) {
result := []NodeModel{}
iter := nodeCollection.Find(bson.M{}).Limit(500).Iter()
err := iter.All(&result)
return result, err
}
func saveNode(c *mgo.Collection, node NodeModel) {
//first, check if the node already exists
result := NodeModel{}
err := c.Find(bson.M{"id": node.Id}).One(&result)
if err != nil {
//node not found, so let's add a new entry
err = c.Insert(node)
check(err)
} else {
err = c.Update(bson.M{"id": node.Id}, &node)
if err != nil {
log.Fatal(err)
}
}
}
func saveEdge(c *mgo.Collection, block BlockModel) {
func getAllEdges() ([]EdgeModel, error) {
result := []EdgeModel{}
iter := edgeCollection.Find(bson.M{}).Limit(500).Iter()
err := iter.All(&result)
return result, err
}
func saveEdge(c *mgo.Collection, edge EdgeModel) {
//first, check if the edge already exists
result := EdgeModel{}
err := c.Find(bson.M{"txid": edge.Txid}).One(&result)
if err != nil {
//edge not found, so let's add a new entry
err = c.Insert(edge)
check(err)
} else {
err = c.Update(bson.M{"txid": edge.Txid}, &edge)
if err != nil {
log.Fatal(err)
}
}
}

+ 69
- 0
serverConfig.go

@ -0,0 +1,69 @@
package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"time"
"github.com/gorilla/mux"
)
type Route struct {
Name string
Method string
Pattern string
HandlerFunc http.HandlerFunc
}
//server config
type ServerConfig struct {
ServerIP string `json:"serverIP"`
ServerPort string `json:"serverPort"`
AllowedIPs []string `json:"allowedIPs"`
BlockedIPs []string `json:"blockedIPs"`
}
var serverConfig ServerConfig
func readServerConfig(path string) {
file, err := ioutil.ReadFile(path)
if err != nil {
fmt.Println("error: ", err)
}
content := string(file)
json.Unmarshal([]byte(content), &serverConfig)
}
func Logger(inner http.Handler, name string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
inner.ServeHTTP(w, r)
log.Printf(
"%s\t%s\t%s\t%s",
r.Method,
r.RequestURI,
name,
time.Since(start),
)
})
}
func NewRouter() *mux.Router {
router := mux.NewRouter().StrictSlash(true)
for _, route := range routes {
var handler http.Handler
handler = route.HandlerFunc
handler = Logger(handler, route.Name)
router.
Methods(route.Method).
Path(route.Pattern).
Name(route.Name).
Handler(handler)
}
return router
}

+ 117
- 0
serverRoutes.go

@ -0,0 +1,117 @@
package main
import (
"encoding/json"
"fmt"
"net/http"
)
type Routes []Route
var routes = Routes{
Route{
"Index",
"GET",
"/",
Index,
},
/* Route{
"Recommendations",
"GET",
"/r/{userid}/{nrec}",
Recommendations,
},
*/
Route{
"NetworkMap",
"Get",
"/map",
NetworkMap,
},
/*
Route{
"SelectItem",
"GET",
"/selectItem/{userid}/{itemid}",
SelectItem,
},
*/
}
//ROUTES
func Index(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, "ask for recommendations in /r")
}
/*
func NewUser(w http.ResponseWriter, r *http.Request) {
ipFilter(w, r)
decoder := json.NewDecoder(r.Body)
var newUser UserModel
err := decoder.Decode(&newUser)
check(err)
defer r.Body.Close()
saveUser(userCollection, newUser)
fmt.Println(newUser)
fmt.Fprintln(w, "new user added: ", newUser.ID)
}
*/
func NetworkMap(w http.ResponseWriter, r *http.Request) {
ipFilter(w, r)
nodes, err := getAllNodes()
check(err)
edges, err := getAllEdges()
check(err)
var network NetworkModel
network.Nodes = nodes
network.Edges = edges
//convert []resp struct to json
jNetwork, err := json.Marshal(network)
check(err)
fmt.Fprintln(w, string(jNetwork))
}
/*
func SelectItem(w http.ResponseWriter, r *http.Request) {
ipFilter(w, r)
vars := mux.Vars(r)
userid := vars["userid"]
itemid := vars["itemid"]
//find item
item, err := getItemById(itemid)
if err != nil {
fmt.Fprintln(w, "item "+itemid+" not found")
}
//find user
user, err := getUserById(userid)
if err != nil {
fmt.Fprintln(w, "user "+userid+" not found")
}
//increase TActed in item
item.TActed = item.TActed + 1
//save item
item, err = updateItem(item)
check(err)
fmt.Println(item)
//add item to []Actions of user
user.Actions = append(user.Actions, itemid)
//save user
user, err = updateUser(user)
check(err)
fmt.Println(user)
fmt.Fprintln(w, "user: "+userid+", selects item: "+itemid)
}
*/

Loading…
Cancel
Save