40 lines
817 B
Go
40 lines
817 B
Go
package lnurl
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import (
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"errors"
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"strings"
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)
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// LNURLDecode takes a bech32-encoded lnurl string and returns a plain-text https URL.
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func LNURLDecode(lnurl string) (url string, err error) {
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tag, data, err := Decode(lnurl)
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if err != nil {
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return
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}
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if tag != "lnurl" {
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err = errors.New("tag is not 'lnurl', but '" + tag + "'")
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return
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}
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converted, err := ConvertBits(data, 5, 8, false)
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if err != nil {
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return
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}
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url = string(converted)
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return
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}
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// LNURLEncode takes a plain-text https URL and returns a bech32-encoded uppercased lnurl string.
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func LNURLEncode(actualurl string) (lnurl string, err error) {
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asbytes := []byte(actualurl)
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converted, err := ConvertBits(asbytes, 8, 5, true)
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if err != nil {
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return
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}
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lnurl, err = Encode("lnurl", converted)
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return strings.ToUpper(lnurl), err
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}
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