package event

import (
	"smesh.lol/pkg/nostr/signer"
	"smesh.lol/pkg/lol/chk"
)

func (ev *E) Sign(keys signer.I) (err error) {
	pub := keys.Pub()
	ev.Pubkey = []byte{:len(pub)}
	copy(ev.Pubkey, pub)
	ev.ID = ev.GetIDBytes()
	var sig []byte
	if sig, err = keys.Sign(ev.ID); chk.E(err) {
		return
	}
	ev.Sig = []byte{:len(sig)}
	copy(ev.Sig, sig)
	return
}