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nak key public --with-parity

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fiatjaf 2024-10-08 09:08:50 -03:00
parent 2988c71ccb
commit 5b04bc4859
1 changed files with 13 additions and 5 deletions
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18
key.go
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@ -48,14 +48,22 @@ var public = &cli.Command{
Description: ``,
ArgsUsage: "[secret]",
DisableSliceFlagSeparator: true,
Flags: []cli.Flag{
&cli.BoolFlag{
Name: "with-parity",
Usage: "output 33 bytes instead of 32, the first one being either '02' or '03', a prefix indicating whether this pubkey is even or odd.",
},
},
Action: func(ctx context.Context, c *cli.Command) error {
for sec := range getSecretKeysFromStdinLinesOrSlice(ctx, c, c.Args().Slice()) {
pubkey, err := nostr.GetPublicKey(sec)
if err != nil {
ctx = lineProcessingError(ctx, "failed to derive public key: %s", err)
continue
b, _ := hex.DecodeString(sec)
_, pk := btcec.PrivKeyFromBytes(b)
if c.Bool("with-parity") {
stdout(hex.EncodeToString(pk.SerializeCompressed()))
} else {
stdout(hex.EncodeToString(pk.SerializeCompressed()[1:]))
}
stdout(pubkey)
}
return nil
},