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a function to check if a public key hex is a public key hex.

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This commit is contained in:
fiatjaf
2023-03-14 21:42:37 -03:00
parent 02759120ea
commit 7803cc74b3
1 changed files with 9 additions and 0 deletions
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9
keys.go
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@@ -5,6 +5,7 @@ import (
"encoding/hex" "encoding/hex"
"io" "io"
"math/big" "math/big"
"strings"
"github.com/btcsuite/btcd/btcec/v2" "github.com/btcsuite/btcd/btcec/v2"
"github.com/btcsuite/btcd/btcec/v2/schnorr" "github.com/btcsuite/btcd/btcec/v2/schnorr"
@@ -37,3 +38,11 @@ func GetPublicKey(sk string) (string, error) {
_, pk := btcec.PrivKeyFromBytes(b) _, pk := btcec.PrivKeyFromBytes(b)
return hex.EncodeToString(schnorr.SerializePubKey(pk)), nil return hex.EncodeToString(schnorr.SerializePubKey(pk)), nil
} }
func IsValidPublicKeyHex(pk string) bool {
if strings.ToLower(pk) != pk {
return false
}
dec, _ := hex.DecodeString(pk)
return len(dec) == 32
}