74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
package wallet
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import (
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"fmt"
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"github.com/libp2p/go-libp2p-core/crypto"
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"github.com/libp2p/go-libp2p-core/peer"
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"github.com/Secured-Finance/dione/sigs"
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"github.com/Secured-Finance/dione/types"
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)
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type Key struct {
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types.KeyInfo
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PublicKey []byte
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Address peer.ID
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}
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func GenerateKey(typ types.KeyType) (*Key, error) {
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ctyp := ActSigType(typ)
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if ctyp == types.SigTypeUnknown {
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return nil, fmt.Errorf("unknown sig type: %s", typ)
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}
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pk, err := sigs.Generate(ctyp)
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if err != nil {
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return nil, err
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}
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ki := types.KeyInfo{
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Type: typ,
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PrivateKey: pk,
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}
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return NewKey(ki)
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}
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// NewKey generates a new Key based on private key and signature type
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// it works with both types of signatures Secp256k1 and BLS
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func NewKey(keyinfo types.KeyInfo) (*Key, error) {
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k := &Key{
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KeyInfo: keyinfo,
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}
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var err error
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k.PublicKey, err = sigs.ToPublic(ActSigType(k.Type), k.PrivateKey)
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if err != nil {
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return nil, err
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}
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switch k.Type {
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case types.KTEd25519:
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pubKey, err := crypto.UnmarshalEd25519PublicKey(k.PublicKey)
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if err != nil {
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return nil, fmt.Errorf("failed to unmarshal ed25519 public key: %w", err)
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}
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k.Address, err = peer.IDFromPublicKey(pubKey)
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if err != nil {
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return nil, fmt.Errorf("converting Secp256k1 to address: %w", err)
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}
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default:
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return nil, fmt.Errorf("unsupported key type: %s", k.Type)
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}
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return k, nil
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}
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func ActSigType(typ types.KeyType) types.SigType {
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switch typ {
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case types.KTEd25519:
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return types.SigTypeEd25519
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default:
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return types.SigTypeUnknown
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}
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}
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