frostfs-sdk-go/owner/wallet.go
Evgenii Stratonikov ee42623a3e [#43] owner: move package from neofs-api-go
Also remove neofs-crypto dependency.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-11-01 17:51:55 +03:00

57 lines
1.1 KiB
Go

package owner
import (
"crypto/ecdsa"
"errors"
"fmt"
"github.com/mr-tron/base58"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
)
// NEO3Wallet represents NEO3 wallet address.
type NEO3Wallet [NEO3WalletSize]byte
// NEO3WalletSize contains size of neo3 wallet.
const NEO3WalletSize = 25
// ErrEmptyPublicKey when PK passed to Verify method is nil.
var ErrEmptyPublicKey = errors.New("empty public key")
// NEO3WalletFromPublicKey converts public key to NEO3 wallet address.
func NEO3WalletFromPublicKey(key *ecdsa.PublicKey) (*NEO3Wallet, error) {
if key == nil {
return nil, ErrEmptyPublicKey
}
neoPublicKey := (*keys.PublicKey)(key)
d, err := base58.Decode(neoPublicKey.Address())
if err != nil {
return nil, fmt.Errorf("can't decode neo3 address from key: %w", err)
}
w := new(NEO3Wallet)
copy(w.Bytes(), d)
return w, nil
}
// String implements fmt.Stringer.
func (w *NEO3Wallet) String() string {
if w != nil {
return base58.Encode(w[:])
}
return ""
}
// Bytes returns slice of NEO3 wallet address bytes.
func (w *NEO3Wallet) Bytes() []byte {
if w != nil {
return w[:]
}
return nil
}