goBlockchainDataAnalysis/main.go
main.goRaw
1package main
2
3import (
4 "log"
5 "net/http"
6 "os"
7 "strconv"
8 "time"
9
10 mgo "gopkg.in/mgo.v2"
11 "gopkg.in/mgo.v2/bson"
12
13 "github.com/btcsuite/btcrpcclient"
14 "github.com/gorilla/handlers"
15)
16
17var blockCollection *mgo.Collection
18var txCollection *mgo.Collection
19var addressCollection *mgo.Collection
20var nodeCollection *mgo.Collection
21var edgeCollection *mgo.Collection
22var dateCountCollection *mgo.Collection
23var hourCountCollection *mgo.Collection
24
25func main() {
26 savelog()
27 //read goBlockchainDataAbalysis config
28 readConfig("config.json")
29
30 //connect with mongodb
31 //readMongodbConfig("./mongodbConfig.json")
32 session, err := getSession()
33 check(err)
34 blockCollection = getCollection(session, "blocks")
35 txCollection = getCollection(session, "txs")
36 addressCollection = getCollection(session, "address")
37 nodeCollection = getCollection(session, "nodes")
38 edgeCollection = getCollection(session, "edges")
39 dateCountCollection = getCollection(session, "dateCounts")
40 hourCountCollection = getCollection(session, "hourCounts")
41
42 if len(os.Args) > 1 {
43 if os.Args[1] == "-explore" {
44 // create new client instance
45 client, err := btcrpcclient.New(&btcrpcclient.ConnConfig{
46 HTTPPostMode: true,
47 DisableTLS: true,
48 Host: config.Host + ":" + config.Port,
49 User: config.User,
50 Pass: config.Pass,
51 }, nil)
52 if err != nil {
53 log.Fatalf("error creating new btc client: %v", err)
54 }
55
56 // list accounts
57 accounts, err := client.ListAccounts()
58 if err != nil {
59 log.Fatalf("error listing accounts: %v", err)
60 }
61 // iterate over accounts (map[string]btcutil.Amount) and write to stdout
62 for label, amount := range accounts {
63 log.Printf("%s: %s", label, amount)
64 }
65 log.Println("starting to explore blockchain")
66 start := time.Now()
67 explore(client, config.GenesisBlock)
68 log.Println("blockchain exploration finished, time:")
69 log.Println(time.Since(start))
70
71 // Get the current block count.
72 blockCount, err := client.GetBlockCount()
73 if err != nil {
74 log.Fatal(err)
75 }
76 log.Printf("Block count: %d", blockCount)
77 }
78 if os.Args[1] == "-continue" {
79 // create new client instance
80 client, err := btcrpcclient.New(&btcrpcclient.ConnConfig{
81 HTTPPostMode: true,
82 DisableTLS: true,
83 Host: config.Host + ":" + config.Port,
84 User: config.User,
85 Pass: config.Pass,
86 }, nil)
87 check(err)
88 //get last block stored in mongodb
89 lastBlock := BlockModel{}
90 err = blockCollection.Find(bson.M{}).Sort("-$natural").One(&lastBlock)
91 check(err)
92 log.Println("Getting last block stored in MongoDB. Hash: " + string(lastBlock.Hash) + ", BlockHeight: " + strconv.FormatInt(lastBlock.Height, 10))
93 log.Println("continuing blockchain exploration since last block in mongodb")
94 start := time.Now()
95 explore(client, string(lastBlock.Hash))
96 log.Println("blockchain exploration finished, time:")
97 log.Println(time.Since(start))
98 }
99 }
100 //run thw webserver
101 go webserver()
102
103 //http server start
104 //readServerConfig("./serverConfig.json")
105 log.Println("server running")
106 log.Print("port: ")
107 log.Println(config.Server.ServerPort)
108 router := NewRouter()
109
110 headersOk := handlers.AllowedHeaders([]string{"X-Requested-With", "Access-Control-Allow-Origin"})
111 originsOk := handlers.AllowedOrigins([]string{"*"})
112 methodsOk := handlers.AllowedMethods([]string{"GET", "HEAD", "POST", "PUT", "OPTIONS"})
113 log.Fatal(http.ListenAndServe(":"+config.Server.ServerPort, handlers.CORS(originsOk, headersOk, methodsOk)(router)))
114 //log.Fatal(http.ListenAndServe(":"+serverConfig.ServerPort, router))
115
116}
117
118func webserver() {
119 log.Println("webserver in port " + config.Server.WebServerPort)
120 http.Handle("/", http.FileServer(http.Dir("./web")))
121 http.ListenAndServe(":"+config.Server.WebServerPort, nil)
122}