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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package wallet | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "os/user" | ||
| ) | ||
|
|
||
| const WalletFileName = ".gowallet.w02" // version 0.2 | ||
|
|
||
| // check if user wallet file exists | ||
| func IsFileExists() bool { | ||
| u, err := user.Current() | ||
| if err != nil { | ||
| return false | ||
| } | ||
| filename := fmt.Sprintf("%s/%s", u.HomeDir, WalletFileName) | ||
| f, err := os.Stat(filename) | ||
| if err != nil { | ||
| return false | ||
| } | ||
| if f.IsDir() { | ||
| return false | ||
| } | ||
| return true | ||
| } | ||
|
|
||
| type WalletFile struct { | ||
| Wallets []*Wallet | ||
| } | ||
|
|
||
| func NewWalletFile(ws []*Wallet) *WalletFile { | ||
| wf := new(WalletFile) | ||
| wf.Wallets = make([]*Wallet, len(ws)) | ||
| for i, v := range ws { | ||
| w := NewWallet(v.No, "", v.Address) | ||
| wf.Wallets[i] = w | ||
| } | ||
| return wf | ||
| } | ||
|
|
||
| func LoadWalletFile() (wf *WalletFile, err error) { | ||
| u, err := user.Current() | ||
| if err != nil { | ||
| return | ||
| } | ||
| path := fmt.Sprintf("%s/%s", u.HomeDir, WalletFileName) | ||
| _, err = os.Stat(path) | ||
| if err != nil { | ||
| return | ||
| } | ||
| bs, err := ioutil.ReadFile(path) | ||
| if err != nil { | ||
| return | ||
| } | ||
| wf = new(WalletFile) | ||
| err = json.Unmarshal(bs, wf) | ||
| if err != nil { | ||
| return | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func (wf *WalletFile) Save() (err error) { | ||
| u, err := user.Current() | ||
| if err != nil { | ||
| return | ||
| } | ||
| path := fmt.Sprintf("%s/%s", u.HomeDir, WalletFileName) | ||
|
|
||
| bs, err := json.Marshal(wf) | ||
| if err != nil { | ||
| return | ||
| } | ||
| err = ioutil.WriteFile(path, bs, os.ModeExclusive) | ||
| if err != nil { | ||
| return | ||
| } | ||
| return | ||
| } | ||
| // | ||
| //func (wf *WalletFile) Wallets() (ws []*Wallet) { | ||
| // ws = make([]*Wallet, len(wf.wallets)) | ||
| // for i, v := range wf.wallets { | ||
| // ws[i] = v | ||
| // } | ||
| // return | ||
| //} |