Merge pull request #201 from Bytom/v0.1

[bytom/vapor.git] / vendor / github.com / mr-tron / base58 / examples / wif / main.go

diff --git a/vendor/github.com/mr-tron/base58/examples/wif/main.go b/vendor/github.com/mr-tron/base58/examples/wif/main.go
deleted file mode 100644 (file)
index 5e8fc6d..0000000
--- a/vendor/github.com/mr-tron/base58/examples/wif/main.go
+++ /dev/null
@@ -1,116 +0,0 @@
-package main
-
-import (
-       "bytes"
-       "crypto/sha256"
-       "encoding/hex"
-       "flag"
-       "fmt"
-       "io"
-       "io/ioutil"
-       "os"
-
-       "github.com/mr-tron/base58"
-)
-
-func checkSum(b []byte) []byte {
-       sh1, sh2 := sha256.New(), sha256.New()
-       sh1.Write(b)
-       sh2.Write(sh1.Sum(nil))
-       return sh2.Sum(nil)
-}
-
-func main() {
-       var (
-               err error
-               bin []byte
-
-               help     = flag.Bool("h", false, "display this message")
-               lnBreak  = flag.Int("b", 76, "break encoded string into num character lines. Use 0 to disable line wrapping")
-               input    = flag.String("i", "-", `input file (use: "-" for stdin)`)
-               output   = flag.String("o", "-", `output file (use: "-" for stdout)`)
-               decode   = flag.Bool("d", false, `decode input`)
-               check    = flag.Bool("k", false, `use sha256 check`)
-               useError = flag.Bool("e", false, `write error to stderr`)
-       )
-
-       flag.Parse()
-
-       if *help {
-               flag.Usage()
-               os.Exit(0)
-       }
-
-       fin, fout := os.Stdin, os.Stdout
-       if *input != "-" {
-               if fin, err = os.Open(*input); err != nil {
-                       fmt.Fprintln(os.Stderr, "input file err:", err)
-                       os.Exit(1)
-               }
-       }
-
-       if *output != "-" {
-               if fout, err = os.Create(*output); err != nil {
-                       fmt.Fprintln(os.Stderr, "output file err:", err)
-                       os.Exit(1)
-               }
-       }
-
-       if bin, err = ioutil.ReadAll(fin); err != nil {
-               fmt.Fprintln(os.Stderr, "read input err:", err)
-               os.Exit(1)
-       }
-
-       if *decode {
-               decoded, err := base58.Decode(string(bin))
-               if err != nil {
-                       fmt.Fprintln(os.Stderr, "decode input err:", err)
-                       os.Exit(1)
-               }
-
-               var checkResult bool
-               if *check {
-                       chk := len(decoded) - 4
-                       decodedCk := decoded[chk:]
-                       decoded = decoded[:chk]
-                       sum := checkSum(decoded)
-                       checkResult = hex.EncodeToString(sum[:4]) == hex.EncodeToString(decodedCk)
-               }
-
-               _, err = io.Copy(fout, bytes.NewReader(decoded))
-               if err != nil {
-                       fmt.Fprintln(os.Stderr, err)
-                       os.Exit(1)
-               }
-
-               if *check && !checkResult {
-                       if *useError {
-                               fmt.Fprintf(os.Stderr, "%t\n", false)
-                       }
-                       os.Exit(3)
-               }
-
-               os.Exit(0)
-       }
-
-       if *check {
-               sum := checkSum(bin)
-               bin = append(bin, sum[:4]...)
-       }
-
-       encoded := base58.Encode(bin)
-
-       if *lnBreak > 0 {
-               lines := (len(encoded) / *lnBreak) + 1
-               for i := 0; i < lines; i++ {
-                       start := i * *lnBreak
-                       end := start + *lnBreak
-                       if i == lines-1 {
-                               fmt.Fprintln(fout, encoded[start:])
-                               return
-                       }
-                       fmt.Fprintln(fout, encoded[start:end])
-               }
-       }
-       fmt.Fprintln(fout, encoded)
-}