code.vegaprotocol.io/vega@v0.79.0/cmd/vega/commands/bridge/privkey_signer.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package bridge
    17  
    18  import (
    19  	"crypto/ecdsa"
    20  
    21  	"github.com/ethereum/go-ethereum/crypto"
    22  )
    23  
    24  type PrivKeySigner struct {
    25  	privateKey *ecdsa.PrivateKey
    26  }
    27  
    28  func NewPrivKeySigner(hexPrivKey string) (*PrivKeySigner, error) {
    29  	privateKey, err := crypto.HexToECDSA(hexPrivKey)
    30  	if err != nil {
    31  		return nil, err
    32  	}
    33  
    34  	return &PrivKeySigner{
    35  		privateKey: privateKey,
    36  	}, nil
    37  }
    38  
    39  func (p *PrivKeySigner) Sign(hash []byte) ([]byte, error) {
    40  	return crypto.Sign(hash, p.privateKey)
    41  }
    42  
    43  func (p *PrivKeySigner) Algo() string {
    44  	return ""
    45  }