github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/accounts/keystore/keystore_plain.go (about)

     1  // This file is part of the go-sberex library. The go-sberex library is 
     2  // free software: you can redistribute it and/or modify it under the terms 
     3  // of the GNU Lesser General Public License as published by the Free 
     4  // Software Foundation, either version 3 of the License, or (at your option)
     5  // any later version.
     6  //
     7  // The go-sberex library is distributed in the hope that it will be useful, 
     8  // but WITHOUT ANY WARRANTY; without even the implied warranty of
     9  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
    10  // General Public License <http://www.gnu.org/licenses/> for more details.
    11  
    12  package keystore
    13  
    14  import (
    15  	"encoding/json"
    16  	"fmt"
    17  	"os"
    18  	"path/filepath"
    19  
    20  	"github.com/Sberex/go-sberex/common"
    21  )
    22  
    23  type keyStorePlain struct {
    24  	keysDirPath string
    25  }
    26  
    27  func (ks keyStorePlain) GetKey(addr common.Address, filename, auth string) (*Key, error) {
    28  	fd, err := os.Open(filename)
    29  	if err != nil {
    30  		return nil, err
    31  	}
    32  	defer fd.Close()
    33  	key := new(Key)
    34  	if err := json.NewDecoder(fd).Decode(key); err != nil {
    35  		return nil, err
    36  	}
    37  	if key.Address != addr {
    38  		return nil, fmt.Errorf("key content mismatch: have address %x, want %x", key.Address, addr)
    39  	}
    40  	return key, nil
    41  }
    42  
    43  func (ks keyStorePlain) StoreKey(filename string, key *Key, auth string) error {
    44  	content, err := json.Marshal(key)
    45  	if err != nil {
    46  		return err
    47  	}
    48  	return writeKeyFile(filename, content)
    49  }
    50  
    51  func (ks keyStorePlain) JoinPath(filename string) string {
    52  	if filepath.IsAbs(filename) {
    53  		return filename
    54  	} else {
    55  		return filepath.Join(ks.keysDirPath, filename)
    56  	}
    57  }