89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
package lnurlp
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import (
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"encoding/hex"
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"net/http"
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"strconv"
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"github.com/boltcard/boltcard/db"
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"github.com/boltcard/boltcard/lnd"
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"github.com/boltcard/boltcard/resp_err"
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"github.com/gorilla/mux"
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log "github.com/sirupsen/logrus"
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)
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func Callback(w http.ResponseWriter, r *http.Request) {
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if db.Get_setting("FUNCTION_LNURLP") != "ENABLE" {
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log.Debug("LNURLp function is not enabled")
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return
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}
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name := mux.Vars(r)["name"]
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amount := r.URL.Query().Get("amount")
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card_id, err := db.Get_card_id_for_name(name)
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if err != nil {
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log.Info("card name not found")
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resp_err.Write(w)
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return
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}
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log.WithFields(
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log.Fields{
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"url_path": r.URL.Path,
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"name": name,
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"card_id": card_id,
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"amount": amount,
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"req.Host": r.Host,
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}).Info("lnurlp_callback")
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domain := db.Get_setting("HOST_DOMAIN")
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hostdomainPort := db.Get_setting("HOST_DOMAIN_PORT")
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hostdomainsuffix := ""
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if hostdomainPort != "" {
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hostdomainsuffix = ":" + hostdomainPort
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}
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if r.Host != domain {
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log.Warn("wrong host domain")
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resp_err.Write(w)
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return
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}
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amount_msat, err := strconv.ParseInt(amount, 10, 64)
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if err != nil {
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log.Warn("amount is not a valid integer")
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resp_err.Write(w)
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return
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}
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amount_sat := amount_msat / 1000
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metadata := "[[\"text/identifier\",\"" + name + "@" + domain + hostdomainsuffix + "\"],[\"text/plain\",\"bolt card deposit\"]]"
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pr, r_hash, err := lnd.Add_invoice(amount_sat, metadata)
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if err != nil {
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log.Warn("could not add_invoice")
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resp_err.Write(w)
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return
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}
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err = db.Insert_receipt(card_id, pr, hex.EncodeToString(r_hash), amount_msat)
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if err != nil {
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log.Warn(err)
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resp_err.Write(w)
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return
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}
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go lnd.Monitor_invoice_state(r_hash)
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log.Debug("sending 'status OK' response")
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jsonData := []byte(`{` +
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`"status":"OK",` +
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`"routes":[],` +
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`"pr":"` + pr + `"` +
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`}`)
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(jsonData)
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}
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