github.com/aigarnetwork/aigar@v0.0.0-20191115204914-d59a6eb70f8e/accounts/keystore/plain.go (about)

     1  //  Copyright 2018 The go-ethereum Authors
     2  //  Copyright 2019 The go-aigar Authors
     3  //  This file is part of the go-aigar library.
     4  //
     5  //  The go-aigar library is free software: you can redistribute it and/or modify
     6  //  it under the terms of the GNU Lesser General Public License as published by
     7  //  the Free Software Foundation, either version 3 of the License, or
     8  //  (at your option) any later version.
     9  //
    10  //  The go-aigar library is distributed in the hope that it will be useful,
    11  //  but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  //  GNU Lesser General Public License for more details.
    14  //
    15  //  You should have received a copy of the GNU Lesser General Public License
    16  //  along with the go-aigar library. If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package keystore
    19  
    20  import (
    21  	"encoding/json"
    22  	"fmt"
    23  	"os"
    24  	"path/filepath"
    25  
    26  	"github.com/AigarNetwork/aigar/common"
    27  )
    28  
    29  type keyStorePlain struct {
    30  	keysDirPath string
    31  }
    32  
    33  func (ks keyStorePlain) GetKey(addr common.Address, filename, auth string) (*Key, error) {
    34  	fd, err := os.Open(filename)
    35  	if err != nil {
    36  		return nil, err
    37  	}
    38  	defer fd.Close()
    39  	key := new(Key)
    40  	if err := json.NewDecoder(fd).Decode(key); err != nil {
    41  		return nil, err
    42  	}
    43  	if key.Address != addr {
    44  		return nil, fmt.Errorf("key content mismatch: have address %x, want %x", key.Address, addr)
    45  	}
    46  	return key, nil
    47  }
    48  
    49  func (ks keyStorePlain) StoreKey(filename string, key *Key, auth string) error {
    50  	content, err := json.Marshal(key)
    51  	if err != nil {
    52  		return err
    53  	}
    54  	return writeKeyFile(filename, content)
    55  }
    56  
    57  func (ks keyStorePlain) JoinPath(filename string) string {
    58  	if filepath.IsAbs(filename) {
    59  		return filename
    60  	}
    61  	return filepath.Join(ks.keysDirPath, filename)
    62  }