lndhub /auth

This commit is contained in:
Peter Rounce 2023-02-18 21:09:35 +00:00
parent 918b806567
commit 9a5016225f
4 changed files with 155 additions and 76 deletions

1
go.mod
View file

@ -90,6 +90,7 @@ require (
github.com/miekg/dns v1.1.50 // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/nbd-wtf/ln-decodepay v1.11.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/prometheus/client_golang v1.14.0 // indirect
github.com/prometheus/client_model v0.3.0 // indirect

2
go.sum
View file

@ -535,6 +535,8 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
github.com/nbd-wtf/ln-decodepay v1.11.1 h1:MPiT4a4qZ2cKY27Aj0dI8sLFrLz5Ycu72Z3EG1HfPjk=
github.com/nbd-wtf/ln-decodepay v1.11.1/go.mod h1:xzBXPaCj/7oRRaui+iYSIxy5LYUjoPfAyAGq2WCyNKk=
github.com/nwaples/rardecode v1.1.0/go.mod h1:5DzqNKiOdpKKBH87u8VlvAnPZMXcGRhxWkRpHbbfGS0=
github.com/nwaples/rardecode v1.1.2/go.mod h1:5DzqNKiOdpKKBH87u8VlvAnPZMXcGRhxWkRpHbbfGS0=
github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=

12
lndhub/lndhub.go Normal file
View file

@ -0,0 +1,12 @@
package lndhub
import (
log "github.com/sirupsen/logrus"
"github.com/boltcard/boltcard/db"
"github.com/boltcard/boltcard/email"
)
func Pay_invoice(card_payment_id int, invoice string) {
}

View file

@ -4,11 +4,143 @@ import (
decodepay "github.com/fiatjaf/ln-decodepay"
log "github.com/sirupsen/logrus"
"net/http"
"bytes"
"io"
"github.com/boltcard/boltcard/db"
"github.com/boltcard/boltcard/lnd"
"github.com/boltcard/boltcard/resp_err"
)
func lndhub_payment(w http.ResponseWriter, p *db.Payment) {
//get setting for LNDHUB_URL
lndhub_url := "https://" + db.Get_setting("LNDHUB_URL")
//get lndhub login details from database
c, err := db.Get_card_from_card_id(p.Card_id)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
//lndhub.auth API call
//the login JSON is held in the Card_name field
body := []byte(c.Card_name)
r, err := http.NewRequest("POST", lndhub_url + "/auth", bytes.NewBuffer(body))
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
r.Header.Add("Access-Control-Allow-Origin", "*")
r.Header.Add("Content-Type", "application/json")
client := &http.Client{}
res, err := client.Do(r)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
defer res.Body.Close()
b, err2 := io.ReadAll(res.Body)
if err2 != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
log.Info(string(b))
// fmt.Println(string(b))
//lndhub.payinvoice API call
}
func lnd_payment(w http.ResponseWriter, bolt11 decodepay.Bolt11, p *db.Payment, param_pr string) {
// check amount limits
invoice_sats := int(bolt11.MSatoshi / 1000)
day_total_sats, err := db.Get_card_totals(p.Card_id)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
c, err := db.Get_card_from_card_id(p.Card_id)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
if invoice_sats > c.Tx_limit_sats {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("invoice_sats: ", invoice_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("tx_limit_sats: ", c.Tx_limit_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("over tx_limit_sats!")
resp_err.Write(w)
return
}
if day_total_sats+invoice_sats > c.Day_limit_sats {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("invoice_sats: ", invoice_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("day_total_sats: ", day_total_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("day_limit_sats: ", c.Day_limit_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("over day_limit_sats!")
resp_err.Write(w)
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)
resp_err.Write(w)
return
}
if card_total-invoice_sats < 0 {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn("not enough balance")
resp_err.Write(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
err = db.Update_payment_paid(p.Card_payment_id)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
// https://github.com/fiatjaf/lnurl-rfc/blob/luds/03.md
//
// LN SERVICE sends a {"status": "OK"} or
// {"status": "ERROR", "reason": "error details..."}
// JSON response and then attempts to pay the invoices asynchronously.
go lnd.Pay_invoice(p.Card_payment_id, param_pr)
log.Debug("sending 'status OK' response")
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
jsonData := []byte(`{"status":"OK"}`)
w.Write(jsonData)
}
func Callback(w http.ResponseWriter, req *http.Request) {
env_host_domain := db.Get_setting("HOST_DOMAIN")
@ -87,81 +219,13 @@ func Callback(w http.ResponseWriter, req *http.Request) {
return
}
// check amount limits
invoice_sats := int(bolt11.MSatoshi / 1000)
day_total_sats, err := db.Get_card_totals(p.Card_id)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
//check if we are using LND or LNDHUB for payment
lndhub := db.Get_setting("FUNCTION_LNDHUB")
if lndhub == "ENABLE" {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("initiating lndhub payment")
lndhub_payment(w, p)
} else {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("initiating lnd payment")
lnd_payment(w, bolt11, p, param_pr)
}
c, err := db.Get_card_from_card_id(p.Card_id)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
if invoice_sats > c.Tx_limit_sats {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("invoice_sats: ", invoice_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("tx_limit_sats: ", c.Tx_limit_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("over tx_limit_sats!")
resp_err.Write(w)
return
}
if day_total_sats+invoice_sats > c.Day_limit_sats {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("invoice_sats: ", invoice_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("day_total_sats: ", day_total_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("day_limit_sats: ", c.Day_limit_sats)
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Info("over day_limit_sats!")
resp_err.Write(w)
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)
resp_err.Write(w)
return
}
if card_total-invoice_sats < 0 {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn("not enough balance")
resp_err.Write(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
err = db.Update_payment_paid(p.Card_payment_id)
if err != nil {
log.WithFields(log.Fields{"card_payment_id": p.Card_payment_id}).Warn(err)
resp_err.Write(w)
return
}
// https://github.com/fiatjaf/lnurl-rfc/blob/luds/03.md
//
// LN SERVICE sends a {"status": "OK"} or
// {"status": "ERROR", "reason": "error details..."}
// JSON response and then attempts to pay the invoices asynchronously.
go lnd.Pay_invoice(p.Card_payment_id, param_pr)
log.Debug("sending 'status OK' response")
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
jsonData := []byte(`{"status":"OK"}`)
w.Write(jsonData)
}