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functions.go
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functions.go
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// Copyright 2021-2022 DERO Foundation. All rights reserved.
// Use of this source code in any form is governed by RESEARCH license.
// license can be found in the LICENSE file.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package main
import (
"bytes"
"crypto/rand"
"crypto/sha1"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"image/color"
"io/ioutil"
"math/big"
"net/http"
"os"
"os/exec"
"runtime"
"sort"
"strconv"
"strings"
"time"
"fyne.io/fyne/v2"
"fyne.io/fyne/v2/canvas"
"fyne.io/fyne/v2/widget"
"github.com/civilware/Gnomon/indexer"
"github.com/civilware/Gnomon/storage"
"github.com/deroproject/derohe/cryptography/crypto"
"github.com/deroproject/derohe/globals"
"github.com/deroproject/derohe/rpc"
"github.com/deroproject/derohe/transaction"
"github.com/deroproject/derohe/walletapi"
"github.com/deroproject/derohe/walletapi/mnemonics"
"github.com/deroproject/derohe/walletapi/rpcserver"
)
func initSettings() {
getNetwork()
getMode()
getType()
getDaemon()
getGnomon()
getAuthMode()
}
// Get network setting from Graviton
func getNetwork() {
result, err := GetValue("settings", []byte("network"))
if err != nil {
session.Network = true
globals.Arguments["--testnet"] = false
setNetwork(true)
} else {
if string(result) == "Testnet" {
session.Network = false
globals.Arguments["--testnet"] = true
} else {
session.Network = true
globals.Arguments["--testnet"] = false
}
}
}
func setNetwork(b bool) (err error) {
s := ""
if b {
s = "Mainnet"
globals.Arguments["--testnet"] = false
} else {
s = "Testnet"
globals.Arguments["--testnet"] = true
}
StoreValue("settings", []byte("network"), []byte(s))
return
}
// Get daemon endpoint setting from Graviton
func getDaemon() (r string) {
result, err := GetValue("settings", []byte("endpoint"))
if err != nil {
r = DEFAULT_REMOTE_DAEMON
setDaemon(r)
session.Daemon = r
globals.Arguments["--daemon-address"] = r
return
}
r = string(result)
session.Daemon = r
globals.Arguments["--daemon-address"] = r
return
}
func setDaemon(s string) (err error) {
StoreValue("settings", []byte("endpoint"), []byte(s))
globals.Arguments["--daemon-address"] = s
session.Daemon = s
if gnomon.Index != nil {
gnomon.Index.Endpoint = s
}
return
}
// Get mode (online, offline) setting from Graviton
func getMode() {
session.Mode = "Online"
globals.Arguments["--offline"] = false
/*
if globals.Arguments["--offline"].(bool) == true {
session.Mode = "Offline"
return
}
s := "mode"
t := "settings"
key := []byte(s)
result, err := GetValue(t, key)
if err != nil {
session.Mode = "Online"
err := setMode("Online")
globals.Arguments["--offline"] = false
if err != nil {
fmt.Printf("[Engram] Error: %s\n", err)
return
}
} else {
if result == nil {
session.Mode = "Online"
err := setMode("Online")
globals.Arguments["--offline"] = false
if err != nil {
fmt.Printf("[Engram] Error: %s\n", err)
return
}
} else {
if string(result) == "Offline" {
globals.Arguments["--offline"] = true
session.Mode = "Offline"
} else {
globals.Arguments["--offline"] = false
session.Mode = "Online"
}
}
}
*/
}
func setMode(s string) (err error) {
err = StoreValue("settings", []byte("mode"), []byte(s))
if s == "Offline" {
globals.Arguments["--offline"] = true
} else {
globals.Arguments["--offline"] = false
}
return
}
// Get connection type (local, remote) setting from Graviton
func getType() (r string) {
result, err := GetValue("settings", []byte("node_type"))
if err != nil {
r = "Remote"
setType(r)
session.Type = r
return
}
if result == nil {
r = "Remote"
setType(r)
session.Type = r
} else {
r = string(result)
session.Type = r
}
return
}
func setType(s string) (err error) {
err = StoreValue("settings", []byte("node_type"), []byte(s))
return
}
func getGnomon() (r string, err error) {
v, err := GetValue("settings", []byte("gnomon"))
if err != nil {
gnomon.Active = 1
if gnomon.Index != nil {
gnomon.Index.Endpoint = getDaemon()
}
StoreValue("settings", []byte("gnomon"), []byte("1"))
}
if string(v) == "1" {
gnomon.Active = 1
if gnomon.Index != nil {
gnomon.Index.Endpoint = getDaemon()
}
} else {
gnomon.Active = 0
}
r = string(v)
return
}
func setGnomon(s string) (err error) {
if s == "1" {
err = StoreValue("settings", []byte("gnomon"), []byte("1"))
gnomon.Active = 1
if gnomon.Index != nil {
gnomon.Index.Endpoint = getDaemon()
}
} else {
err = StoreValue("settings", []byte("gnomon"), []byte("0"))
gnomon.Active = 0
}
return
}
func getAuthMode() (result string, err error) {
r, err := GetValue("settings", []byte("auth_mode"))
if err != nil {
StoreValue("settings", []byte("auth_mode"), []byte("true"))
cyberdeck.mode = 1
result = "true"
} else {
result = string(r)
if string(result) == "true" {
cyberdeck.mode = 1
result = "true"
} else {
cyberdeck.mode = 0
result = "false"
}
}
return
}
func setAuthMode(s string) {
if s == "true" {
StoreValue("settings", []byte("auth_mode"), []byte("true"))
} else {
StoreValue("settings", []byte("auth_mode"), []byte("false"))
}
}
// Pulse
func Pulse() {
}
// Set window size
func resizeWindow(width float32, height float32) {
s := fyne.NewSize(width, height)
session.Window.Resize(s)
}
func loading() {
if session.Domain == "app.main.loading" {
time.Sleep(time.Second * 6)
session.Domain = "app.main"
resizeWindow(MIN_WIDTH, MIN_HEIGHT)
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutMain())
return
}
}
// Close the wallet
func closeWallet() {
if cyberdeck.mode == 1 && cyberdeck.server != nil {
cyberdeck.server.RPCServer_Stop()
cyberdeck.server = nil
}
if history.Window != nil {
history.Window.Close()
history.Window = nil
}
if engram.Disk != nil {
if nr.Mission == 1 || miner.Window != nil {
nr.Mission = 0
if nr.Connection != nil {
nr.Connection.Close()
}
miner.Window.Close()
nr = Netrunner{}
}
engram.Disk.Save_Wallet()
globals.Exit_In_Progress = true
engram.Disk.Close_Encrypted_Wallet()
session.WalletOpen = false
session.Domain = "app.main"
engram.Disk = nil
session.Path = ""
session.Name = ""
tx = Transfers{}
resizeWindow(MIN_WIDTH, MIN_HEIGHT)
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutMain())
fmt.Printf("[Engram] Wallet closed.\n")
return
}
}
func (session *Session) Clear() {
session = &Session{}
}
func create() (a string, s string, err error) {
check := findAccount()
if session.Path == "" {
session.Error = "Please enter an account name."
} else if session.Language == -1 {
session.Error = "Please select a language."
} else if session.Password == "" {
session.Error = "Please enter a password."
} else if session.PasswordConfirm == "" {
session.Error = "Please confirm your password."
} else if session.PasswordConfirm != session.Password {
session.Error = "Passwords do not match."
} else if check {
session.Error = "Account name already exists."
} else {
engram.Disk, err = walletapi.Create_Encrypted_Wallet_Random(session.Path, session.Password)
if err != nil {
session.Language = -1
session.Name = ""
session.Path = ""
session.Password = ""
session.PasswordConfirm = ""
session.Error = "Account could not be created."
} else {
if !session.Network {
engram.Disk.SetNetwork(false)
globals.Arguments["--testnet"] = true
} else {
engram.Disk.SetNetwork(true)
globals.Arguments["--testnet"] = false
}
languages := mnemonics.Language_List()
if session.Language < 0 || session.Language > len(languages)-1 {
session.Language = 0 // English
}
engram.Disk.SetSeedLanguage(languages[session.Language])
a = engram.Disk.GetAddress().String()
s = engram.Disk.GetSeed()
engram.Disk.Close_Encrypted_Wallet()
engram.Disk = nil
session.Error = "Account successfully created."
session.Language = -1
session.Name = ""
session.Path = ""
session.Password = ""
session.PasswordConfirm = ""
session.Domain = "app.main"
}
}
return
}
func login() {
var err error
var temp *walletapi.Wallet_Disk
initSettings()
if engram.Disk == nil {
temp, err = walletapi.Open_Encrypted_Wallet(session.Path, session.Password)
if err != nil {
engram.Disk = nil
temp = nil
session.Domain = "app.main"
session.Error = "Invalid password."
session.Window.Canvas().Content().Refresh()
return
} else {
engram.Disk = temp
temp = nil
}
}
session.Domain = "app.wallet"
session.WalletOpen = true
session.Password = ""
if !session.Network {
engram.Disk.SetNetwork(false)
globals.Arguments["--testnet"] = true
} else {
engram.Disk.SetNetwork(true)
globals.Arguments["--testnet"] = false
}
setRingSize(engram.Disk, 8)
session.Verified = false
if session.Mode == "Offline" {
// Offline mode
engram.Disk.SetOfflineMode()
globals.Arguments["--offline"] = true
} else {
// Online mode
globals.Arguments["--offline"] = false
status.Connection.FillColor = colors.Yellow
status.Connection.Refresh()
engram.Disk.SetDaemonAddress(session.Daemon)
engram.Disk.SetOnlineMode()
session.Balance = 0
for !walletapi.IsDaemonOnline() {
time.Sleep(time.Second / 2)
}
if engram.Disk.IsRegistered() {
resizeWindow(MIN_WIDTH, MIN_HEIGHT)
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutDashboard())
} else {
retry := 0
for !engram.Disk.IsRegistered() {
if engram.Disk.Get_Registration_TopoHeight() == -1 && retry > 5 {
registerAccount()
session.Verified = true
fmt.Printf("[Registration] Account registration PoW started...\n")
fmt.Printf("[Registration] Registering your account. This can take up to 120 minutes (one time). Please wait...\n")
break
} else {
time.Sleep(time.Second)
retry++
}
}
}
go func() {
timer := 0
for engram.Disk != nil && walletapi.IsDaemonOnline() {
engram.Disk.SetOnlineMode()
if !engram.Disk.IsRegistered() {
if engram.Disk.Get_Daemon_TopoHeight() == 0 {
fmt.Printf("[Network] Could not connect to daemon...%d\n", engram.Disk.Get_Daemon_TopoHeight())
status.Sync.FillColor = colors.Red
status.Sync.Refresh()
time.Sleep(time.Second)
} else {
time.Sleep(time.Second)
}
} else {
newBalance, _ := engram.Disk.Get_Balance()
if timer >= 60 {
go getPrice()
}
session.WalletHeight = engram.Disk.Get_TopoHeight()
session.DaemonHeight = engram.Disk.Get_Daemon_TopoHeight()
if session.Mode == "Online" {
if session.WalletHeight == session.DaemonHeight && session.DaemonHeight > 0 {
if session.Type != "Local" {
status.Connection.FillColor = colors.Green
status.Connection.Refresh()
}
status.Sync.FillColor = colors.Green
status.Sync.Refresh()
fmt.Printf("[Network] Connected to "+session.Daemon+" › Sync Complete (%s / %s)\n", strconv.FormatInt(session.WalletHeight, 10), strconv.FormatInt(session.DaemonHeight, 10))
} else if session.DaemonHeight == 0 {
status.Sync.FillColor = colors.Red
status.Sync.Refresh()
fmt.Printf("[Network] Connected to " + session.Daemon + " › Syncing... (" + strconv.FormatInt(session.WalletHeight, 10) + " / " + strconv.FormatInt(session.DaemonHeight, 10) + ")\n")
} else {
status.Sync.FillColor = colors.Yellow
status.Sync.Refresh()
fmt.Printf("[Network] Connected to " + session.Daemon + " › Syncing... (" + strconv.FormatInt(session.WalletHeight, 10) + " / " + strconv.FormatInt(session.DaemonHeight, 10) + ")\n")
}
} else {
status.Sync.FillColor = colors.Gray
status.Sync.Refresh()
status.Cyberdeck.FillColor = colors.Gray
status.Cyberdeck.Refresh()
fmt.Printf("[Network] Offline › Last Height: " + strconv.FormatInt(session.WalletHeight, 10) + " / " + strconv.FormatInt(session.DaemonHeight, 10) + "\n")
}
session.Balance = newBalance
session.BalanceText.Text = globals.FormatMoney(session.Balance)
session.BalanceText.Refresh()
address := engram.Disk.GetAddress().String()
shard := fmt.Sprintf("%x", sha1.Sum([]byte(address)))
session.ID = shard
if node.Active == 1 {
status.Daemon.Res = resourceDaemonOnPng
status.Daemon.Refresh()
} else {
status.Daemon.Res = resourceDaemonOffPng
status.Daemon.Refresh()
}
if nr.Mission == 1 {
status.Netrunner.Res = resourceMinerOnPng
status.Netrunner.Refresh()
} else {
status.Netrunner.Res = resourceMinerOffPng
status.Netrunner.Refresh()
}
time.Sleep(time.Second)
}
}
}()
}
}
func loadResources() {
res.bg = canvas.NewImageFromResource(resourceBgPng)
res.bg.FillMode = canvas.ImageFillContain
res.bg2 = canvas.NewImageFromResource(resourceBg2Png)
res.bg2.FillMode = canvas.ImageFillContain
res.bg3 = canvas.NewImageFromResource(resourceBg3Png)
res.bg3.FillMode = canvas.ImageFillContain
res.icon = canvas.NewImageFromResource(resourceIconPng)
res.icon.FillMode = canvas.ImageFillContain
res.header = canvas.NewImageFromResource(resourceBackground1Png)
res.header.FillMode = canvas.ImageFillContain
res.load = canvas.NewImageFromResource(resourceLoadPng)
res.load.FillMode = canvas.ImageFillContain
res.dero = canvas.NewImageFromResource(resourceDeroPng)
res.dero.FillMode = canvas.ImageFillContain
res.enter = canvas.NewImageFromResource(resourceEnterPng)
res.enter.FillMode = canvas.ImageFillContain
res.gram = canvas.NewImageFromResource(resourceGramPng)
res.gram.FillMode = canvas.ImageFillContain
res.gram_footer = canvas.NewImageFromResource(resourceGramfooterPng)
res.gram_footer.FillMode = canvas.ImageFillContain
res.login_footer = canvas.NewImageFromResource(resourceLoginfooterPng)
res.login_footer.FillMode = canvas.ImageFillContain
res.rpc_header = canvas.NewImageFromResource(resourceSubHeaderPng)
res.rpc_header.FillMode = canvas.ImageFillContain
res.nr_header = canvas.NewImageFromResource(resourceSubHeaderPng)
res.nr_header.FillMode = canvas.ImageFillContain
res.rpc_footer = canvas.NewImageFromResource(resourceRpcFooterPng)
res.rpc_footer.FillMode = canvas.ImageFillContain
res.nr_footer = canvas.NewImageFromResource(resourceRpcFooterPng)
res.nr_footer.FillMode = canvas.ImageFillContain
res.nft_header = canvas.NewImageFromResource(resourceSubHeaderPng)
res.nft_header.FillMode = canvas.ImageFillContain
res.nft_footer = canvas.NewImageFromResource(resourceRpcFooterPng)
res.nft_footer.FillMode = canvas.ImageFillContain
res.home_header = canvas.NewImageFromResource(resourceSubHeaderPng)
res.home_header.FillMode = canvas.ImageFillContain
res.home_footer = canvas.NewImageFromResource(resourceRpcFooterPng)
res.home_footer.FillMode = canvas.ImageFillContain
}
func newRtnEntry() *returnEntry {
entry := &returnEntry{}
entry.ExtendBaseWidget(entry)
return entry
}
func (e *returnEntry) TypedKey(key *fyne.KeyEvent) {
switch key.Name {
case fyne.KeyReturn:
if session.Domain == "app.main" {
login()
} else if session.Domain == "app.create" {
create()
}
default:
e.Entry.TypedKey(key)
}
}
func (e *returnEntry) onReturn() {
login()
}
func newTapRect() *tapRect {
rect := &tapRect{}
rect.Rectangle.FillColor = colors.DarkMatter
return rect
}
/*
func (e *tapRect) CreateRenderer() fyne.WidgetRenderer {
r := &tapRectRenderer{
e,
}
return r
}
func (r *tapRectRenderer) Destroy() {}
func (r *tapRectRenderer) Layout(size fyne.Size) {
}
func (r *tapRectRenderer) MinSize() fyne.Size {
return r.e.Content.MinSize()
}
*/
func (e *tapRect) Refresh() {
e.Rectangle.Refresh()
}
func (e *tapRect) SetFillColor(c color.Color) {
e.Rectangle.FillColor = c
e.Rectangle.Refresh()
}
func (e *tapRect) Tapped(*fyne.PointEvent) {
fmt.Printf("tapped")
/*
switch key.Name {
case fyne.KeyReturn:
if session.Domain == "app.main" {
login()
} else if session.Domain == "app.create" {
create()
}
default:
e.Entry.TypedKey(key)
}
*/
}
func (e *tapRect) TappedSecondary(*fyne.PointEvent) {
fmt.Printf("tapped secondary")
}
// Reset UI resources
func resetResources() {
res = Res{}
loadResources()
}
// Get SC balance by SCID
func get_balance_SCID(s string) string {
b := ""
if s == "" {
b = "Balance: " + walletapi.FormatMoney(0)
return b
}
id := crypto.HashHexToHash(s)
balance, _, err := engram.Disk.GetDecryptedBalanceAtTopoHeight(id, -1, engram.Disk.GetAddress().String())
if err != nil {
b = "Balance: " + walletapi.FormatMoney(0)
} else {
b = "Balance: " + walletapi.FormatMoney(balance)
}
return b
}
// Display seed to the user in preferred language
func display_seed() string {
seed := engram.Disk.GetSeed()
return seed
}
// Display keys
func display_spend_key() (secret string, public string) {
keys := engram.Disk.Get_Keys()
secret = keys.Secret.Text(16)
public = keys.Public.StringHex()
return secret, public
}
// Detect and open URLs in default system browser
func openURL(url string, a *App) {
var err error
switch runtime.GOOS {
case "linux":
err = exec.Command("xdg-open", url).Start()
case "windows":
err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
case "darwin":
err = exec.Command("open", url).Start()
default:
err = exec.Command("open", url).Start()
}
if err != nil {
return
}
}
func checkSeedWord(w string) bool {
_, _, _, check := mnemonics.Find_indices([]string{w})
if check {
return true
}
return false
}
func addTransfer(args rpc.Arguments) {
tx.Pending = append(tx.Pending, rpc.Transfer{Amount: tx.Amount, Destination: tx.Address.String(), Payload_RPC: args})
fmt.Printf("[Send] Added transfer to the pending list.\n")
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutTransfers())
}
func sendTransfers() (err error) {
tx.TX, err = engram.Disk.TransferPayload0(tx.Pending, tx.Ringsize, false, rpc.Arguments{}, 0, false)
if err != nil {
fmt.Printf("[Send] Error: %s\n", err)
return
}
if err = engram.Disk.SendTransaction(tx.TX); err != nil {
fmt.Printf("[Send] Error while dispatching transaction: %s\n", err)
return
}
tx.Fees = tx.TX.Fees()
tx.TXID = tx.TX.GetHash()
fmt.Printf("[Send] Dispatched transaction: %s\n", tx.TXID)
tx = Transfers{}
return
}
// Routine for account registration
func registerAccount() {
session.Domain = "app.register"
if engram.Disk == nil {
resizeWindow(MIN_WIDTH, MIN_HEIGHT)
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutMain())
session.Domain = "app.main"
return
}
btnClose := widget.NewButton("Cancel", nil)
btnClose.OnTapped = func() {
session.Gif.Stop()
session.Gif = nil
closeWallet()
}
title := canvas.NewText("R E G I S T R A T I O N", colors.Gray)
title.TextStyle = fyne.TextStyle{Bold: true}
title.TextSize = 16
heading := canvas.NewText("Please wait...", colors.Gray)
heading.TextSize = 22
heading.Alignment = fyne.TextAlignCenter
heading.TextStyle = fyne.TextStyle{Bold: true}
sub := canvas.NewText("This one-time process can take a while.", colors.Gray)
sub.TextSize = 14
sub.Alignment = fyne.TextAlignCenter
sub.TextStyle = fyne.TextStyle{Bold: true}
resizeWindow(MIN_WIDTH, MIN_HEIGHT)
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutWaiting(title, heading, sub, btnClose))
go func() {
var reg_tx *transaction.Transaction
successful_regs := make(chan *transaction.Transaction)
counter := 0
for i := 0; i < runtime.GOMAXPROCS(0)-1; i++ {
go func() {
for counter == 0 {
if engram.Disk == nil {
break
} else if engram.Disk.IsRegistered() {
break
}
lreg_tx := engram.Disk.GetRegistrationTX()
hash := lreg_tx.GetHash()
if hash[0] == 0 && hash[1] == 0 && hash[2] == 0 {
successful_regs <- lreg_tx
counter++
break
}
}
}()
}
if engram.Disk == nil {
resizeWindow(MIN_WIDTH, MIN_HEIGHT)
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutMain())
session.Domain = "app.main"
return
}
reg_tx = <-successful_regs
fmt.Printf("[Registration] Registration TXID: %s\n", reg_tx.GetHash())
err := engram.Disk.SendTransaction(reg_tx)
if err != nil {
fmt.Printf("[Registration] Error: %s\n", err)
resizeWindow(MIN_WIDTH, MIN_HEIGHT)
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutMain())
session.Domain = "app.main"
} else {
session.Gif.Stop()
session.Gif = nil
fmt.Printf("[Registration] Registration transaction dispatched successfully.\n")
resizeWindow(MIN_WIDTH, MIN_HEIGHT)
session.Window.SetContent(layoutTransition())
session.Window.SetContent(layoutDashboard())
session.Domain = "app.wallet"
}
}()
return
}
// Set the ring size for transactions
func setRingSize(wallet *walletapi.Wallet_Disk, s int) bool {
if wallet == nil {
fmt.Printf("[error] no wallet found.\n")
return false
}
// Minimum ring size is 2, only accept powers of 2.
if s < 2 {
wallet.SetRingSize(2)
fmt.Printf("[Engram] New transaction ring size: 2\n")
} else {
wallet.SetRingSize(s)
fmt.Printf("[Engram] New transaction ring size: %d\n", s)
}
return true
}
// Get the username from the graviton database
// Returns error if no results are found
func getUsername() (result string, err error) {
username, err := GetValue("usernames", []byte("username"))
if err != nil {
return
}
result = string(username)
return
}
func checkUsername(s string) (result bool, address string, err error) {
payload := DaemonRPC{
Jsonrpc: "2.0",
ID: "1",
Method: "DERO.NameToAddress",
}
payload.Params.Name = s
j, err := json.Marshal(payload)
if err != nil {
return
}
body := bytes.NewReader(j)
// Connect to daemon
url := "http://" + session.Daemon + "/json_rpc"
req, err := http.NewRequest("POST", url, body)
if err != nil {
return
}
req.Header.Set("Content-Type", "application/json")
resp, err := http.DefaultClient.Do(req)
if err != nil {
return
}
defer resp.Body.Close()
var resData map[string]interface{}
responseData, err := ioutil.ReadAll(resp.Body)
err = json.Unmarshal(responseData, &resData)
if err != nil {
return
}
if resData["result"] == nil {
err = errors.New("Username is not registered to this account")
return
}
node := resData["result"].(map[string]interface{})
address = node["address"].(string)
result = true
return
}
// Register a new DERO username
func registerUsername(s string) (err error) {
// Check first if the name is taken
check, _, err := checkUsername(s)
if err == nil || check {
fmt.Printf("[username] error: skipping registration - username exists.\n")
err = errors.New("Username already exists")
return
}
var args = rpc.Arguments{}
args = append(args, rpc.Argument{string("entrypoint"), rpc.DataString, string("Register")})
var cp = rpc.SC_Invoke_Params{
SC_ID: string("0000000000000000000000000000000000000000000000000000000000000001"), // string `json:"scid"`
SC_RPC: args, // arguments `json:"sc_rpc"`
SC_DERO_Deposit: uint64(0), // uint64 `json:"sc_dero_deposit"`
SC_TOKEN_Deposit: uint64(0), // uint64 `json:"sc_token_deposit"`
}
var p rpc.Transfer_Params
var dest string
if session.Network {
dest = "dero1qykyta6ntpd27nl0yq4xtzaf4ls6p5e9pqu0k2x4x3pqq5xavjsdxqgny8270"
} else {
dest = "deto1qy0ehnqjpr0wxqnknyc66du2fsxyktppkr8m8e6jvplp954klfjz2qqdzcd8p"
}
p.Transfers = append(p.Transfers, rpc.Transfer{
Destination: dest,
Amount: 0,
Burn: 0,
})
p.SC_RPC = cp.SC_RPC
p.SC_ID = cp.SC_ID
cp.SC_RPC = append(cp.SC_RPC, rpc.Argument{rpc.SCACTION, rpc.DataUint64, uint64(0)})
cp.SC_RPC = append(cp.SC_RPC, rpc.Argument{rpc.SCID, rpc.DataHash, crypto.HashHexToHash(cp.SC_ID)})