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keyinfo.go
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keyinfo.go
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package main
import (
"encoding/hex"
"encoding/json"
"io"
"io/ioutil"
"os"
"strings"
"text/template"
"gopkg.in/urfave/cli.v2"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/wallet"
)
type walletInfo struct {
Type string
Address string
PublicKey string
}
func (wi walletInfo) String() string {
bs, _ := json.Marshal(wi)
return string(bs)
}
var keyinfoCmd = &cli.Command{
Name: "keyinfo",
Description: "decode a keyinfo",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "format",
Value: "{{.Address}}",
Usage: "Format to output",
},
},
Action: func(cctx *cli.Context) error {
format := cctx.String("format")
var input io.Reader
if cctx.Args().Len() == 0 {
input = os.Stdin
} else {
input = strings.NewReader(cctx.Args().First())
}
bytes, err := ioutil.ReadAll(input)
data, err := hex.DecodeString(strings.TrimSpace(string(bytes)))
if err != nil {
return err
}
var ki types.KeyInfo
if err := json.Unmarshal(data, &ki); err != nil {
return err
}
key, err := wallet.NewKey(ki)
if err != nil {
return err
}
bs, err := json.Marshal(key)
if err != nil {
return err
}
var wi walletInfo
if err := json.Unmarshal(bs, &wi); err != nil {
return err
}
tmpl, err := template.New("").Parse(format)
if err != nil {
return err
}
return tmpl.Execute(os.Stdout, wi)
},
}