func (inv *Inventory) Run() {
go func() {
for {
select {
case _ = <-inv.closeCh:
inv.headers.Close()
inv.config.Database.Close()
close(inv.doneCh)
return
case m, ok := <-inv.input:
if !ok {
log.Fatal("Inventory input channel closed.")
}
switch m.Type {
case "version":
inv.handleVersionMessage(m)
case "inv":
inv.handleInvMessage(m)
case "tx":
tx, err := messages.ParseTransaction(m.Data)
if err != nil {
log.Printf("Failed to parse transaction: %v", err)
} else {
inv.handleTransaction(tx)
}
case "merkleblock":
inv.handleMerkleBlock(m)
default:
log.Fatalf("Inventory input channel sent message of type %q.",
m.Type)
}
}
}
}()
}
func NewMockInventory() *MockInventory {
tx1, _ := hex.DecodeString("0100000001ca9b66c45ab5d802eff79224806a2bdcd690309a4dfcd8650963d3cd606ceadf000000006b4830450220324de09f8f7c8908d4a4b99c13aa28d1a5b3b680a196e6e6d39255e2b4d126c802210089fed6635be470c33f717db1a44f89150ebad18ab511fcf176c959cef7a9c9420121032d9850b19296fe1077f28a3c64d957f5242367dc6d42595b7ca7ca1aaed3dd1dffffffff0250c30000000000001976a914fe2927160e030613c119fbc68bc9ab0576f5911888ace0220200000000001976a9145ee70c467c5b2c35d2d08ef0d6d202b9c917b26188ac00000000")
tx2, _ := hex.DecodeString("010000000194db6f49d474a9522dca43d0d83fc243049ed15600b07be4a568a377a590358b000000006a473044022023b2d60ad177429271d5df08a228e43ae3d60b63a236ed271b539dd7a391a6f102204e49ff80f5d6e06274fcac83e99371a7e324ecb08efd631ffb6f6f8c5889189a0121026db91d30b5e4081e02ff952f8d6b4d5e4528bd6617ae02a9abd7a437af0b6c2cffffffff02400d0300000000001976a91466fb2649c17e60c4cd16a05c903a161a24aa11a688acf3005f02000000001976a9143f896aad85d7fd306348c5f650662ed9346b2d6788ac00000000")
parsed1, err := messages.ParseTransaction(tx1)
if err != nil {
panic(fmt.Sprintf("Failed to parse tx: %v", err))
}
parsed2, err := messages.ParseTransaction(tx2)
if err != nil {
panic(fmt.Sprintf("Failed to parse tx: %v", err))
}
inv := &MockInventory{
inv: make(map[string]*messages.Transaction),
}
inv.inv[string(parsed1.Hash())] = parsed1
inv.inv[string(parsed2.Hash())] = parsed2
return inv
}
func (t *TxVersion) DeserializeTransaction() error {
if len(t.Data) > 0 && t.tx == nil {
var err error
t.tx, err = messages.ParseTransaction(t.Data)
if err != nil {
return fmt.Errorf("Failed to parse transaction: %v", err)
}
}
return nil
}
func main() {
flag.Parse()
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
log.SetFlags(log.Ldate | log.Lmicroseconds | log.Lshortfile)
var i *inventory.Inventory
var n *network.Network
var d *network.Dispatcher
output := make(chan network.Message)
go func() {
sig := <-sigs
fmt.Println()
fmt.Println(sig)
t := time.NewTimer(2 * time.Second)
go func() {
_ = <-t.C
log.Println("shut down timed out; forcing exit")
os.Exit(2)
}()
i.Unsubscribe(d)
i.Close()
n.Close()
d.Close()
close(output)
os.Exit(1)
}()
n = network.New(network.Config{
DesiredConnections: *connections,
PeerStorageFile: *peerFile,
SeedHostnames: []string{
"bitseed.xf2.org",
"dnsseed.bluematt.me",
"seed.bitcoin.sipa.be",
"dnsseed.bitcoin.dashjr.org",
"seed.bitcoinstats.com",
},
OutputChannel: output,
})
config := inventory.Config{
// TODO Set database path from parameter.
Database: database.Open(),
Network: n,
}
if *walletSeed != "" {
seed := mnemonic.SeedFromWordsPassword(
strings.Split(*walletSeed, " "), "")
key := hdkeys.NewMasterKey(seed)
config.Wallet = wallet.New(key)
}
i = inventory.New(&config)
if config.Wallet != nil {
config.Wallet.SetTxInventory(i)
}
d = network.NewDispatcher(output)
i.Subscribe(d)
d.Run()
i.Run()
go func() {
<-i.Connected()
i.GetRecentMerkleBlocks(2000)
}()
sendPayment := func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
r.ParseForm()
if config.Wallet != nil {
var transactions []*messages.Transaction
txHexes := r.Form["tx"]
if len(txHexes) > 0 {
for _, txHex := range txHexes {
txSer, err := hex.DecodeString(txHex)
if err != nil {
fmt.Fprintf(w, "Error parsing transaction hex %q: %v",
txHex, err)
return
}
tx, err := messages.ParseTransaction(txSer)
if err != nil {
fmt.Fprintf(w, "Error parsing transaction %x: %v",
txSer, err)
return
}
transactions = append(transactions, tx)
}
} else {
addr, prefix, err := base58.BitcoinCheckDecode(r.FormValue("addr"))
if err != nil || prefix != base58.BitcoinPublicKeyHashPrefix {
fmt.Fprintf(w, "Error parsing addr %q: %v",
r.FormValue("addr"), err)
return
}
value, err := strconv.ParseUint(r.FormValue("value"), 10, 64)
if err != nil {
fmt.Fprintf(w, "Error parsing value %q: %v",
r.FormValue("value"), err)
return
}
payment := config.Wallet.NewPayment()
err = payment.AddOutput(addr, value)
if err != nil {
fmt.Fprintf(w, "Error adding output: %v", err)
return
}
err = payment.AddInputsAndFee(10000)
if err != nil {
fmt.Fprintf(w, "Error adding inputs: %v", err)
return
}
err = payment.Sign()
if err != nil {
fmt.Fprintf(w, "Error signing transaction: %v", err)
return
}
transactions = payment.Transactions()
}
if len(transactions) > 1 {
fmt.Fprintf(w, "Using duplicate transactions to cope "+
"with duplicate inputs.<br><br>")
}
for _, tx := range transactions {
fmt.Fprintf(w, "<font face=\"courier\">Transaction: %s</font><br>",
strings.Replace(tx.String(), "\n", "<br/>", -1))
verified, err := i.VerifyTransaction(tx)
if err != nil || !verified {
fmt.Fprintf(w, "Error verifying transaction: %v", err)
return
}
fmt.Fprintf(w, "<br><b>Signatures verified!</b><br><br>")
}
if r.FormValue("send") == "true" {
for _, tx := range transactions {
n.SendChannel() <- network.Message{
Type: "tx",
Data: tx.Data(),
}
}
n.SendChannel() <- network.Message{
Type: "mempool",
}
} else {
str := "<br><br><a href=\"?"
for _, tx := range transactions {
str += fmt.Sprintf("tx=%x&", tx.Data())
}
str += "send=true\">Broadcast transaction(s)</a>"
fmt.Fprintf(w, str)
}
} else {
fmt.Fprintf(w, "No wallet configured.")
}
}
http.Handle("/peers", n)
http.Handle("/inventory/", i)
http.HandleFunc("/send/payment", sendPayment)
log.Fatal(http.ListenAndServe(":8080", nil))
}