//StringToAddress returns the Bitcoin address of a base58-encoded extended key.
func StringAddress(data string) (string, error) {
w, err := StringWallet(data)
if err != nil {
return "", err
}
// WTF the testvectors expect address made from uncompreessed public key?
tnet := w.Prefix == TestPublic || w.Prefix == TestPrivate
if false {
return NewAddrFromPubkey(w.Key, AddrVerPubkey(tnet)).String(), nil
} else {
var xy secp256k1.XY
xy.ParsePubkey(w.Key)
return NewAddrFromPubkey(xy.Bytes(false), AddrVerPubkey(tnet)).String(), nil
}
}
// Verifies consistency of a serialized HD address
func ByteCheck(dbin []byte) error {
// check proper length
if len(dbin) != 82 {
return errors.New("ByteCheck: Unexpected length")
}
// check for correct Public or Private Prefix
vb := binary.BigEndian.Uint32(dbin[:4])
if vb != Public && vb != Private && vb != TestPublic && vb != TestPrivate {
return errors.New("ByteCheck: Unexpected Prefix")
}
// if Public, check x coord is on curve
if vb == Public || vb == TestPublic {
var xy secp256k1.XY
xy.ParsePubkey(dbin[45:78])
if !xy.IsValid() {
return errors.New("ByteCheck: Invalid public key")
}
}
return nil
}