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add max txs setting for email, add setting to stop negative card balance

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This commit is contained in:
Peter Rounce 2022-09-25 19:01:52 +00:00
parent 94267c47cf
commit 9c5149e373
4 changed files with 99 additions and 62 deletions
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32
lnurlw_callback.go
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@ -9,12 +9,12 @@ import (
func lnurlw_callback(w http.ResponseWriter, req *http.Request) {
env_host_domain := os.Getenv("HOST_DOMAIN")
if req.Host != env_host_domain {
log.Warn("wrong host domain")
write_error(w)
return
}
env_host_domain := os.Getenv("HOST_DOMAIN")
if req.Host != env_host_domain {
log.Warn("wrong host domain")
write_error(w)
return
}
url := req.URL.RequestURI()
log.WithFields(log.Fields{"url": url}).Debug("cb request")
@ -120,6 +120,24 @@ func lnurlw_callback(w http.ResponseWriter, req *http.Request) {
return
}
// check the card balance if marked as 'must stay above zero' (default)
// i.e. cards.allow_negative_balance == 'N'
if c.allow_negative_balance != "Y" {
card_total, err := db_get_card_total_sats(p.card_id)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.card_payment_id}).Warn(err)
write_error(w)
return
}
if card_total-invoice_sats < 0 {
log.WithFields(log.Fields{"card_payment_id": p.card_payment_id}).Warn("not enough balance")
write_error(w)
return
}
}
log.WithFields(log.Fields{"card_payment_id": p.card_payment_id}).Info("paying invoice")
// update paid_flag so we only attempt payment once
@ -138,7 +156,7 @@ func lnurlw_callback(w http.ResponseWriter, req *http.Request) {
go pay_invoice(p.card_payment_id, param_pr)
log.Debug("sending 'status OK' response");
log.Debug("sending 'status OK' response")
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)