inline mnemonic wordlist to support binary builds without extra asset

This commit is contained in:
zelig 2014-08-12 14:56:10 +02:00
parent a760ce05b9
commit e85f3972b9
3 changed files with 1636 additions and 1660 deletions

View File

@ -2,37 +2,9 @@ package ethcrypto
import ( import (
"fmt" "fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strconv" "strconv"
"strings"
) )
func InitWords(wordsPath string) {
filename := path.Join(wordsPath, "mnemonic.words.lst")
if _, err := os.Stat(filename); os.IsNotExist(err) {
dir := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "eth-go", "ethcrypto")
filename = path.Join(dir, "mnemonic.words.lst")
if _, err := os.Stat(filename); os.IsNotExist(err) {
dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
if err != nil {
panic(fmt.Errorf("problem getting current folder: ", err))
}
filename = path.Join(dir, "mnemonic.words.lst")
}
}
content, err := ioutil.ReadFile(filename)
if err != nil {
panic(fmt.Errorf("All options for finding the mnemonic word list file 'mnemonic.words.lst' failed: ", err))
}
words = strings.Split(string(content), "\n")
}
var words []string
// TODO: See if we can refactor this into a shared util lib if we need it multiple times // TODO: See if we can refactor this into a shared util lib if we need it multiple times
func IndexOf(slice []string, value string) int64 { func IndexOf(slice []string, value string) int64 {
for p, v := range slice { for p, v := range slice {
@ -45,7 +17,7 @@ func IndexOf(slice []string, value string) int64 {
func MnemonicEncode(message string) []string { func MnemonicEncode(message string) []string {
var out []string var out []string
n := int64(len(words)) n := int64(len(MnemonicWords))
for i := 0; i < len(message); i += (len(message) / 8) { for i := 0; i < len(message); i += (len(message) / 8) {
x := message[i : i+8] x := message[i : i+8]
@ -53,22 +25,22 @@ func MnemonicEncode(message string) []string {
w1 := (bit % n) w1 := (bit % n)
w2 := ((bit / n) + w1) % n w2 := ((bit / n) + w1) % n
w3 := ((bit / n / n) + w2) % n w3 := ((bit / n / n) + w2) % n
out = append(out, words[w1], words[w2], words[w3]) out = append(out, MnemonicWords[w1], MnemonicWords[w2], MnemonicWords[w3])
} }
return out return out
} }
func MnemonicDecode(wordsar []string) string { func MnemonicDecode(wordsar []string) string {
var out string var out string
n := int64(len(words)) n := int64(len(MnemonicWords))
for i := 0; i < len(wordsar); i += 3 { for i := 0; i < len(wordsar); i += 3 {
word1 := wordsar[i] word1 := wordsar[i]
word2 := wordsar[i+1] word2 := wordsar[i+1]
word3 := wordsar[i+2] word3 := wordsar[i+2]
w1 := IndexOf(words, word1) w1 := IndexOf(MnemonicWords, word1)
w2 := IndexOf(words, word2) w2 := IndexOf(MnemonicWords, word2)
w3 := IndexOf(words, word3) w3 := IndexOf(MnemonicWords, word3)
y := (w2 - w1) % n y := (w2 - w1) % n
z := (w3 - w2) % n z := (w3 - w2) % n

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ethcrypto/mnemonic_words.go Normal file

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