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authorzelig <viktor.tron@gmail.com>2014-06-29 22:59:35 +0800
committerzelig <viktor.tron@gmail.com>2014-06-29 22:59:35 +0800
commit1db3e2241efe2a358b9c28c21fb2cb7c2f1e55a6 (patch)
tree10e3eb01b66c9610fc84f5bba7b23e0871204ea3 /ethcrypto
parentd085133c6d9d75e9cbd016a9a597097fa2bb4345 (diff)
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move ethutil/mnemonic to ethcrypto - electrum word list now sourced from file
Diffstat (limited to 'ethcrypto')
-rw-r--r--ethcrypto/mnemonic.go76
-rw-r--r--ethcrypto/mnemonic.words.lst1626
-rw-r--r--ethcrypto/mnemonic_test.go74
3 files changed, 1776 insertions, 0 deletions
diff --git a/ethcrypto/mnemonic.go b/ethcrypto/mnemonic.go
new file mode 100644
index 000000000..6134f85f7
--- /dev/null
+++ b/ethcrypto/mnemonic.go
@@ -0,0 +1,76 @@
+package ethcrypto
+
+import (
+ "fmt"
+ "io/ioutil"
+ "path"
+ "runtime"
+ "strconv"
+ "strings"
+)
+
+func InitWords() []string {
+ _, thisfile, _, _ := runtime.Caller(1)
+ filename := path.Join(path.Dir(thisfile), "mnemonic.words.lst")
+ content, err := ioutil.ReadFile(filename)
+ if err != nil {
+ panic(fmt.Errorf("reading mnemonic word list file 'mnemonic.words.lst' failed: ", err))
+ }
+ return strings.Split(string(content), "\n")
+}
+
+var words = InitWords()
+
+// 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 {
+ for p, v := range slice {
+ if v == value {
+ return int64(p)
+ }
+ }
+ return -1
+}
+
+func MnemonicEncode(message string) []string {
+ var out []string
+ n := int64(len(words))
+
+ for i := 0; i < len(message); i += (len(message) / 8) {
+ x := message[i : i+8]
+ bit, _ := strconv.ParseInt(x, 16, 64)
+ w1 := (bit % n)
+ w2 := ((bit / n) + w1) % n
+ w3 := ((bit / n / n) + w2) % n
+ out = append(out, words[w1], words[w2], words[w3])
+ }
+ return out
+}
+
+func MnemonicDecode(wordsar []string) string {
+ var out string
+ n := int64(len(words))
+
+ for i := 0; i < len(wordsar); i += 3 {
+ word1 := wordsar[i]
+ word2 := wordsar[i+1]
+ word3 := wordsar[i+2]
+ w1 := IndexOf(words, word1)
+ w2 := IndexOf(words, word2)
+ w3 := IndexOf(words, word3)
+
+ y := (w2 - w1) % n
+ z := (w3 - w2) % n
+
+ // Golang handles modulo with negative numbers different then most languages
+ // The modulo can be negative, we don't want that.
+ if z < 0 {
+ z += n
+ }
+ if y < 0 {
+ y += n
+ }
+ x := w1 + n*(y) + n*n*(z)
+ out += fmt.Sprintf("%08x", x)
+ }
+ return out
+}
diff --git a/ethcrypto/mnemonic.words.lst b/ethcrypto/mnemonic.words.lst
new file mode 100644
index 000000000..6bf412ce1
--- /dev/null
+++ b/ethcrypto/mnemonic.words.lst
@@ -0,0 +1,1626 @@
+like
+just
+love
+know
+never
+want
+time
+out
+there
+make
+look
+eye
+down
+only
+think
+heart
+back
+then
+into
+about
+more
+away
+still
+them
+take
+thing
+even
+through
+long
+always
+world
+too
+friend
+tell
+try
+hand
+thought
+over
+here
+other
+need
+smile
+again
+much
+cry
+been
+night
+ever
+little
+said
+end
+some
+those
+around
+mind
+people
+girl
+leave
+dream
+left
+turn
+myself
+give
+nothing
+really
+off
+before
+something
+find
+walk
+wish
+good
+once
+place
+ask
+stop
+keep
+watch
+seem
+everything
+wait
+got
+yet
+made
+remember
+start
+alone
+run
+hope
+maybe
+believe
+body
+hate
+after
+close
+talk
+stand
+own
+each
+hurt
+help
+home
+god
+soul
+new
+many
+two
+inside
+should
+true
+first
+fear
+mean
+better
+play
+another
+gone
+change
+use
+wonder
+someone
+hair
+cold
+open
+best
+any
+behind
+happen
+water
+dark
+laugh
+stay
+forever
+name
+work
+show
+sky
+break
+came
+deep
+door
+put
+black
+together
+upon
+happy
+such
+great
+white
+matter
+fill
+past
+please
+burn
+cause
+enough
+touch
+moment
+soon
+voice
+scream
+anything
+stare
+sound
+red
+everyone
+hide
+kiss
+truth
+death
+beautiful
+mine
+blood
+broken
+very
+pass
+next
+forget
+tree
+wrong
+air
+mother
+understand
+lip
+hit
+wall
+memory
+sleep
+free
+high
+realize
+school
+might
+skin
+sweet
+perfect
+blue
+kill
+breath
+dance
+against
+fly
+between
+grow
+strong
+under
+listen
+bring
+sometimes
+speak
+pull
+person
+become
+family
+begin
+ground
+real
+small
+father
+sure
+feet
+rest
+young
+finally
+land
+across
+today
+different
+guy
+line
+fire
+reason
+reach
+second
+slowly
+write
+eat
+smell
+mouth
+step
+learn
+three
+floor
+promise
+breathe
+darkness
+push
+earth
+guess
+save
+song
+above
+along
+both
+color
+house
+almost
+sorry
+anymore
+brother
+okay
+dear
+game
+fade
+already
+apart
+warm
+beauty
+heard
+notice
+question
+shine
+began
+piece
+whole
+shadow
+secret
+street
+within
+finger
+point
+morning
+whisper
+child
+moon
+green
+story
+glass
+kid
+silence
+since
+soft
+yourself
+empty
+shall
+angel
+answer
+baby
+bright
+dad
+path
+worry
+hour
+drop
+follow
+power
+war
+half
+flow
+heaven
+act
+chance
+fact
+least
+tired
+children
+near
+quite
+afraid
+rise
+sea
+taste
+window
+cover
+nice
+trust
+lot
+sad
+cool
+force
+peace
+return
+blind
+easy
+ready
+roll
+rose
+drive
+held
+music
+beneath
+hang
+mom
+paint
+emotion
+quiet
+clear
+cloud
+few
+pretty
+bird
+outside
+paper
+picture
+front
+rock
+simple
+anyone
+meant
+reality
+road
+sense
+waste
+bit
+leaf
+thank
+happiness
+meet
+men
+smoke
+truly
+decide
+self
+age
+book
+form
+alive
+carry
+escape
+damn
+instead
+able
+ice
+minute
+throw
+catch
+leg
+ring
+course
+goodbye
+lead
+poem
+sick
+corner
+desire
+known
+problem
+remind
+shoulder
+suppose
+toward
+wave
+drink
+jump
+woman
+pretend
+sister
+week
+human
+joy
+crack
+grey
+pray
+surprise
+dry
+knee
+less
+search
+bleed
+caught
+clean
+embrace
+future
+king
+son
+sorrow
+chest
+hug
+remain
+sat
+worth
+blow
+daddy
+final
+parent
+tight
+also
+create
+lonely
+safe
+cross
+dress
+evil
+silent
+bone
+fate
+perhaps
+anger
+class
+scar
+snow
+tiny
+tonight
+continue
+control
+dog
+edge
+mirror
+month
+suddenly
+comfort
+given
+loud
+quickly
+gaze
+plan
+rush
+stone
+town
+battle
+ignore
+spirit
+stood
+stupid
+yours
+brown
+build
+dust
+hey
+kept
+pay
+phone
+twist
+although
+ball
+beyond
+hidden
+nose
+taken
+fail
+float
+pure
+somehow
+wash
+wrap
+angry
+cheek
+creature
+forgotten
+heat
+rip
+single
+space
+special
+weak
+whatever
+yell
+anyway
+blame
+job
+choose
+country
+curse
+drift
+echo
+figure
+grew
+laughter
+neck
+suffer
+worse
+yeah
+disappear
+foot
+forward
+knife
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+somewhere
+stomach
+storm
+beg
+idea
+lift
+offer
+breeze
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+five
+often
+simply
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+allow
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+except
+flower
+seek
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+grin
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+hill
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+ocean
+shoe
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+straight
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+tongue
+accept
+crazy
+everyday
+exist
+grass
+mistake
+sent
+shut
+surround
+table
+ache
+brain
+destroy
+heal
+nature
+shout
+sign
+stain
+choice
+doubt
+glance
+glow
+mountain
+queen
+stranger
+throat
+tomorrow
+city
+either
+fish
+flame
+rather
+shape
+spin
+spread
+ash
+distance
+finish
+image
+imagine
+important
+nobody
+shatter
+warmth
+became
+feed
+flesh
+funny
+lust
+shirt
+trouble
+yellow
+attention
+bare
+bite
+money
+protect
+amaze
+appear
+born
+choke
+completely
+daughter
+fresh
+friendship
+gentle
+probably
+six
+deserve
+expect
+grab
+middle
+nightmare
+river
+thousand
+weight
+worst
+wound
+barely
+bottle
+cream
+regret
+relationship
+stick
+test
+crush
+endless
+fault
+itself
+rule
+spill
+art
+circle
+join
+kick
+mask
+master
+passion
+quick
+raise
+smooth
+unless
+wander
+actually
+broke
+chair
+deal
+favorite
+gift
+note
+number
+sweat
+box
+chill
+clothes
+lady
+mark
+park
+poor
+sadness
+tie
+animal
+belong
+brush
+consume
+dawn
+forest
+innocent
+pen
+pride
+stream
+thick
+clay
+complete
+count
+draw
+faith
+press
+silver
+struggle
+surface
+taught
+teach
+wet
+bless
+chase
+climb
+enter
+letter
+melt
+metal
+movie
+stretch
+swing
+vision
+wife
+beside
+crash
+forgot
+guide
+haunt
+joke
+knock
+plant
+pour
+prove
+reveal
+steal
+stuff
+trip
+wood
+wrist
+bother
+bottom
+crawl
+crowd
+fix
+forgive
+frown
+grace
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+lucky
+party
+release
+surely
+survive
+teacher
+gently
+grip
+speed
+suicide
+travel
+treat
+vein
+written
+cage
+chain
+conversation
+date
+enemy
+however
+interest
+million
+page
+pink
+proud
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+winter
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+cruel
+cup
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+shoot
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+attempt
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+branch
+chocolate
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+wipe
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+plastic
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+screen
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+giggle
+glorious
+ignorance
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+lifeless
+measure
+mighty
+muse
+north
+opposite
+paradise
+patience
+patient
+pencil
+petal
+plate
+ponder
+possibly
+practice
+slice
+spell
+stock
+strife
+strip
+suffocate
+suit
+tender
+tool
+trade
+velvet
+verse
+waist
+witch
+aunt
+bench
+bold
+cap
+certainly
+click
+companion
+creator
+dart
+delicate
+determine
+dish
+dragon
+drama
+drum
+dude
+everybody
+feast
+forehead
+former
+fright
+fully
+gas
+hook
+hurl
+invite
+juice
+manage
+moral
+possess
+raw
+rebel
+royal
+scale
+scary
+several
+slight
+stubborn
+swell
+talent
+tea
+terrible
+thread
+torment
+trickle
+usually
+vast
+violence
+weave
+acid
+agony
+ashamed
+awe
+belly
+blend
+blush
+character
+cheat
+common
+company
+coward
+creak
+danger
+deadly
+defense
+define
+depend
+desperate
+destination
+dew
+duck
+dusty
+embarrass
+engine
+example
+explore
+foe
+freely
+frustrate
+generation
+glove
+guilty
+health
+hurry
+idiot
+impossible
+inhale
+jaw
+kingdom
+mention
+mist
+moan
+mumble
+mutter
+observe
+ode
+pathetic
+pattern
+pie
+prefer
+puff
+rape
+rare
+revenge
+rude
+scrape
+spiral
+squeeze
+strain
+sunset
+suspend
+sympathy
+thigh
+throne
+total
+unseen
+weapon
+weary \ No newline at end of file
diff --git a/ethcrypto/mnemonic_test.go b/ethcrypto/mnemonic_test.go
new file mode 100644
index 000000000..8bd8859ae
--- /dev/null
+++ b/ethcrypto/mnemonic_test.go
@@ -0,0 +1,74 @@
+package ethcrypto
+
+import (
+ "testing"
+)
+
+func TestMnDecode(t *testing.T) {
+ words := []string{
+ "ink",
+ "balance",
+ "gain",
+ "fear",
+ "happen",
+ "melt",
+ "mom",
+ "surface",
+ "stir",
+ "bottle",
+ "unseen",
+ "expression",
+ "important",
+ "curl",
+ "grant",
+ "fairy",
+ "across",
+ "back",
+ "figure",
+ "breast",
+ "nobody",
+ "scratch",
+ "worry",
+ "yesterday",
+ }
+ encode := "c61d43dc5bb7a4e754d111dae8105b6f25356492df5e50ecb33b858d94f8c338"
+ result := MnemonicDecode(words)
+ if encode != result {
+ t.Error("We expected", encode, "got", result, "instead")
+ }
+}
+func TestMnEncode(t *testing.T) {
+ encode := "c61d43dc5bb7a4e754d111dae8105b6f25356492df5e50ecb33b858d94f8c338"
+ result := []string{
+ "ink",
+ "balance",
+ "gain",
+ "fear",
+ "happen",
+ "melt",
+ "mom",
+ "surface",
+ "stir",
+ "bottle",
+ "unseen",
+ "expression",
+ "important",
+ "curl",
+ "grant",
+ "fairy",
+ "across",
+ "back",
+ "figure",
+ "breast",
+ "nobody",
+ "scratch",
+ "worry",
+ "yesterday",
+ }
+ words := MnemonicEncode(encode)
+ for i, word := range words {
+ if word != result[i] {
+ t.Error("Mnenonic does not match:", words, result)
+ }
+ }
+}