forked from heierbtc/satdress-mirror
68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package main
|
|
|
|
import (
|
|
"crypto/sha256"
|
|
"encoding/hex"
|
|
"strconv"
|
|
"time"
|
|
|
|
"github.com/fiatjaf/makeinvoice"
|
|
"github.com/tidwall/sjson"
|
|
)
|
|
|
|
func makeMetadata(params *Params) string {
|
|
metadata, _ := sjson.Set("[]", "0.0", "text/identifier")
|
|
metadata, _ = sjson.Set(metadata, "0.1", params.Name+"@"+s.Domain)
|
|
|
|
metadata, _ = sjson.Set(metadata, "1.0", "text/plain")
|
|
metadata, _ = sjson.Set(metadata, "1.1", "Satoshis to "+params.Name+"@"+s.Domain+".")
|
|
|
|
// TODO support image, custom description
|
|
|
|
return metadata
|
|
}
|
|
|
|
func makeInvoice(params *Params, msat int) (bolt11 string, err error) {
|
|
// description_hash
|
|
h := sha256.Sum256([]byte(makeMetadata(params)))
|
|
|
|
// prepare params
|
|
var backend makeinvoice.BackendParams
|
|
switch params.Kind {
|
|
case "sparko":
|
|
backend = makeinvoice.SparkoParams{
|
|
Host: params.Host,
|
|
Key: params.Key,
|
|
}
|
|
case "lnd":
|
|
backend = makeinvoice.LNDParams{
|
|
Host: params.Host,
|
|
Macaroon: params.Key,
|
|
}
|
|
case "lnbits":
|
|
backend = makeinvoice.LNBitsParams{
|
|
Host: params.Host,
|
|
Key: params.Key,
|
|
}
|
|
case "lnpay":
|
|
backend = makeinvoice.LNPayParams{
|
|
PublicAccessKey: params.Pak,
|
|
WalletInvoiceKey: params.Waki,
|
|
}
|
|
}
|
|
|
|
log.Debug().Int("msatoshi", msat).
|
|
Interface("backend", backend).
|
|
Str("description_hash", hex.EncodeToString(h[:])).
|
|
Msg("generating invoice")
|
|
|
|
// actually generate the invoice
|
|
return makeinvoice.MakeInvoice(makeinvoice.Params{
|
|
Msatoshi: int64(msat),
|
|
DescriptionHash: h[:],
|
|
Backend: backend,
|
|
|
|
Label: s.Domain + "/" + strconv.FormatInt(time.Now().Unix(), 16),
|
|
})
|
|
}
|