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nip13: fail when pubkey is not provided -- may help some clueless people like me.

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fiatjaf 2024-08-20 10:31:52 -03:00
parent 18dbda437b
commit 0e72540696
1 changed files with 5 additions and 0 deletions
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5
nip13/nip13.go
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@ -15,6 +15,7 @@ import (
var ( var (
ErrDifficultyTooLow = errors.New("nip13: insufficient difficulty") ErrDifficultyTooLow = errors.New("nip13: insufficient difficulty")
ErrGenerateTimeout = errors.New("nip13: generating proof of work took too long") ErrGenerateTimeout = errors.New("nip13: generating proof of work took too long")
ErrMissingPubKey = errors.New("nip13: attempting to work on an event without a pubkey, which makes no sense")
) )
// Difficulty counts the number of leading zero bits in an event ID. // Difficulty counts the number of leading zero bits in an event ID.
@ -53,6 +54,10 @@ func Check(id string, minDifficulty int) error {
// Upon success, the returned event always contains a "nonce" tag with the target difficulty // Upon success, the returned event always contains a "nonce" tag with the target difficulty
// commitment, and an updated event.CreatedAt. // commitment, and an updated event.CreatedAt.
func Generate(event *nostr.Event, targetDifficulty int, timeout time.Duration) (*nostr.Event, error) { func Generate(event *nostr.Event, targetDifficulty int, timeout time.Duration) (*nostr.Event, error) {
if event.PubKey == "" {
return nil, ErrMissingPubKey
}
tag := nostr.Tag{"nonce", "", strconv.Itoa(targetDifficulty)} tag := nostr.Tag{"nonce", "", strconv.Itoa(targetDifficulty)}
event.Tags = append(event.Tags, tag) event.Tags = append(event.Tags, tag)
var nonce uint64 var nonce uint64