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donate.go
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donate.go
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package telegram
import (
"context"
"fmt"
"io"
"io/ioutil"
"net/http"
"strings"
"github.com/LightningTipBot/LightningTipBot/internal/str"
"github.com/LightningTipBot/LightningTipBot/internal/lnbits"
log "github.com/sirupsen/logrus"
tb "gopkg.in/tucnak/telebot.v2"
)
// PLEASE DO NOT CHANGE THE CODE IN THIS FILE
// YOU MIGHT BREAK DONATIONS TO THE ORIGINAL PROJECT
// THE DEVELOPMENT OF LIGHTNINGTIPBOT RELIES ON DONATIONS
// IF YOU USE THIS PROJECT, LEAVE THIS CODE ALONE
var (
donationEndpoint string
)
func helpDonateUsage(ctx context.Context, errormsg string) string {
if len(errormsg) > 0 {
return fmt.Sprintf(Translate(ctx, "donateHelpText"), fmt.Sprintf("%s", errormsg))
} else {
return fmt.Sprintf(Translate(ctx, "donateHelpText"), "")
}
}
func (bot TipBot) donationHandler(ctx context.Context, m *tb.Message) {
// check and print all commands
bot.anyTextHandler(ctx, m)
user := LoadUser(ctx)
if user.Wallet == nil {
return
}
// if no amount is in the command, ask for it
amount, err := decodeAmountFromCommand(m.Text)
if (err != nil || amount < 1) && m.Chat.Type == tb.ChatPrivate {
// // no amount was entered, set user state and ask for amount
bot.askForAmount(ctx, "", "CreateDonationState", 0, 0, m.Text)
return
}
// command is valid
msg := bot.trySendMessage(user.Telegram, Translate(ctx, "donationProgressMessage"))
// get invoice
resp, err := http.Get(fmt.Sprintf(donationEndpoint, amount, GetUserStr(user.Telegram), GetUserStr(bot.Telegram.Me)))
if err != nil {
log.Errorln(err)
bot.tryEditMessage(msg, Translate(ctx, "donationErrorMessage"))
return
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Errorln(err)
bot.tryEditMessage(msg, Translate(ctx, "donationErrorMessage"))
return
}
// send donation invoice
// user := LoadUser(ctx)
// bot.trySendMessage(user.Telegram, string(body))
_, err = user.Wallet.Pay(lnbits.PaymentParams{Out: true, Bolt11: string(body)}, bot.Client)
if err != nil {
userStr := GetUserStr(user.Telegram)
errmsg := fmt.Sprintf("[/donate] Donation failed for user %s: %s", userStr, err)
log.Errorln(errmsg)
bot.tryEditMessage(msg, Translate(ctx, "donationErrorMessage"))
return
}
bot.tryEditMessage(msg, Translate(ctx, "donationSuccess"))
}
func init() {
var sb strings.Builder
_, err := io.Copy(&sb, rot13Reader{strings.NewReader("uggcf://ya.gvcf/qbangr/%q?sebz=%f&obg=%f")})
if err != nil {
panic(err)
}
donationEndpoint = sb.String()
}
type rot13Reader struct {
r io.Reader
}
func (rot13 rot13Reader) Read(b []byte) (int, error) {
n, err := rot13.r.Read(b)
for i := 0; i < n; i++ {
switch {
case b[i] >= 65 && b[i] <= 90:
if b[i] <= 77 {
b[i] = b[i] + 13
} else {
b[i] = b[i] - 13
}
case b[i] >= 97 && b[i] <= 122:
if b[i] <= 109 {
b[i] = b[i] + 13
} else {
b[i] = b[i] - 13
}
}
}
return n, err
}
func (bot TipBot) parseCmdDonHandler(ctx context.Context, m *tb.Message) error {
arg := ""
if strings.HasPrefix(strings.ToLower(m.Text), "/send") {
arg, _ = getArgumentFromCommand(m.Text, 2)
if arg != "@"+bot.Telegram.Me.Username {
return fmt.Errorf("err")
}
}
if strings.HasPrefix(strings.ToLower(m.Text), "/tip") {
arg = GetUserStr(m.ReplyTo.Sender)
if arg != "@"+bot.Telegram.Me.Username {
return fmt.Errorf("err")
}
}
if arg == "@LightningTipBot" || len(arg) < 1 {
return fmt.Errorf("err")
}
amount, err := decodeAmountFromCommand(m.Text)
if err != nil {
return err
}
var sb strings.Builder
_, err = io.Copy(&sb, rot13Reader{strings.NewReader("Gunax lbh! V'z ebhgvat guvf qbangvba gb YvtugavatGvcObg@ya.gvcf.")})
if err != nil {
panic(err)
}
donationInterceptMessage := sb.String()
bot.trySendMessage(m.Sender, str.MarkdownEscape(donationInterceptMessage))
m.Text = fmt.Sprintf("/donate %d", amount)
bot.donationHandler(ctx, m)
// returning nil here will abort the parent handler (/pay or /tip)
return nil
}