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Merge pull request #4 from bokub/feature/suffix

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Choice between prefix and suffix
This commit is contained in:
Boris K 2018-10-06 17:46:44 +02:00 • committed by GitHub
commit ab86e2ddc1
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 2084 additions and 2021 deletions
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3904
package-lock.json generated
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11
src/App.vue
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@ -27,7 +27,7 @@
<!--Statistics--> <!--Statistics-->
<div class="col-md-6"> <div class="col-md-6">
<statistics :prefix="input.prefix" :checksum="input.checksum" :status="status" <statistics :hex="input.hex" :checksum="input.checksum" :status="status"
:first-tick="firstTick"></statistics> :first-tick="firstTick"></statistics>
</div> </div>
</div> </div>
@ -74,7 +74,7 @@
threads: 4, threads: 4,
cores: 0, cores: 0,
result: {address: '', privateKey: ''}, result: {address: '', privateKey: ''},
input: {prefix: '', checksum: true}, input: {hex: '', checksum: true, suffix: false},
firstTick: null, firstTick: null,
error: null error: null
}; };
@ -90,12 +90,15 @@
setInput: function (inputType, value) { setInput: function (inputType, value) {
// eslint-disable-next-line default-case // eslint-disable-next-line default-case
switch (inputType) { switch (inputType) {
case 'prefix': case 'hex':
this.input.prefix = value; this.input.hex = value;
break; break;
case 'checksum': case 'checksum':
this.input.checksum = value; this.input.checksum = value;
break; break;
case 'suffix':
this.input.suffix = value;
break;
case 'threads': case 'threads':
this.threads = value; this.threads = value;
} }

30
src/js/vanity.js
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@ -30,20 +30,29 @@ const getRandomWallet = () => {
* @param address * @param address
* @param input * @param input
* @param isChecksum * @param isChecksum
* @param isSuffix
* @returns {boolean} * @returns {boolean}
*/ */
const isValidVanityAddress = (address, input, isChecksum) => { const isValidVanityAddress = (address, input, isChecksum, isSuffix) => {
const subStr = isSuffix ? address.substr(40 - input.length) : address.substr(0, input.length);
if (!isChecksum) { if (!isChecksum) {
return input === address.substr(0, input.length); return input === subStr;
} }
if (input.toLowerCase() !== address.substr(0, input.length)) { if (input.toLowerCase() !== subStr) {
return false; return false;
} }
return isValidChecksum(address, input, isSuffix);
};
const isValidChecksum = (address, input, isSuffix) => {
const hash = keccak('keccak256').update(address).digest().toString('hex'); const hash = keccak('keccak256').update(address).digest().toString('hex');
const shift = isSuffix ? 40 - input.length : 0;
for (let i = 0; i < input.length; i++) { for (let i = 0; i < input.length; i++) {
if (input[i] !== (parseInt(hash[i], 16) >= 8 ? address[i].toUpperCase() : address[i])) { const j = i + shift;
if (input[i] !== (parseInt(hash[j], 16) >= 8 ? address[j].toUpperCase() : address[j])) {
return false; return false;
} }
} }
@ -61,17 +70,18 @@ const toChecksumAddress = (address) => {
/** /**
* Generate a lot of wallets until one satisfies the input constraints * Generate a lot of wallets until one satisfies the input constraints
* @param input * @param input - String chosen by the user
* @param isChecksum * @param isChecksum - Is the input case-sensitive
* @param isSuffix - Is it a suffix, or a prefix
* @param cb - Callback called after x attempts, or when an address if found * @param cb - Callback called after x attempts, or when an address if found
* @returns * @returns
*/ */
const getVanityWallet = (input, isChecksum, cb) => { const getVanityWallet = (input, isChecksum, isSuffix, cb) => {
input = isChecksum ? input : input.toLowerCase(); input = isChecksum ? input : input.toLowerCase();
let wallet = getRandomWallet(); let wallet = getRandomWallet();
let attempts = 1; let attempts = 1;
while (!isValidVanityAddress(wallet.address, input, isChecksum)) { while (!isValidVanityAddress(wallet.address, input, isChecksum, isSuffix)) {
if (attempts >= step) { if (attempts >= step) {
cb({attempts}); cb({attempts});
attempts = 0; attempts = 0;
@ -85,9 +95,9 @@ const getVanityWallet = (input, isChecksum, cb) => {
onmessage = function (event) { onmessage = function (event) {
const input = event.data; const input = event.data;
try { try {
getVanityWallet(input.prefix, input.checksum, (message) => postMessage(message)); getVanityWallet(input.hex, input.checksum, input.suffix, (message) => postMessage(message));
} catch (err) { } catch (err) {
self.postMessage({error: err.toString()}); self.postMessage({error: err.toString()}, '*');
} }
}; };

154
src/vue/Input.vue
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@ -2,7 +2,7 @@
<div class="panel"> <div class="panel">
<form :class="{error: inputError}" @submit.prevent="startGen"> <form :class="{error: inputError}" @submit.prevent="startGen">
<div class="error-text">Numbers and letters from A to F only</div> <div class="error-text">Numbers and letters from A to F only</div>
<input type="text" class="text-input-large" placeholder="Prefix" v-model="prefix" :disabled="running"> <input type="text" class="text-input-large" :placeholder="suffix ? 'Suffix' : 'Prefix'" v-model="hex" :disabled="running">
<div class="row justify-content-center hide-render"> <div class="row justify-content-center hide-render">
<div class="spinner"> <div class="spinner">
<div></div><div></div><div></div><div></div> <div></div><div></div><div></div><div></div>
@ -11,13 +11,23 @@
<div class="example hide-prerender"> <div class="example hide-prerender">
E.g.&nbsp;<span v-text="example" class="monospace"></span> E.g.&nbsp;<span v-text="example" class="monospace"></span>
</div> </div>
<div class="check hide-prerender"> <div class="row controls hide-prerender">
<label class="checkbox"> <div class="col-12 col-sm-6 col-md-12 col-lg-6">
<input type="checkbox" name="checkbox" checked="" v-model="checksum" <label class="checkbox">
:disabled="running"> <input type="checkbox" name="checkbox" checked="" v-model="checksum"
<i class="left"> </i> :disabled="running">
Case-sensitive <i class="left"> </i>
</label> Case-sensitive
</label>
</div>
<div class="col-12 col-sm-6 col-md-12 col-lg-6">
<span>Prefix</span>
<label class="switch">
<input type="checkbox" v-model="suffix">
<span class="slider"></span>
</label>
<span>Suffix</span>
</div>
</div> </div>
<div class="threads hide-prerender"> <div class="threads hide-prerender">
<input type="button" class="square-btn button-large" value="-" @click="threads--" <input type="button" class="square-btn button-large" value="-" @click="threads--"
@ -62,24 +72,26 @@
data: function () { data: function () {
return { return {
threads: 4, threads: 4,
prefix: '', hex: '',
checksum: true, checksum: true,
suffix: false,
error: false error: false
}; };
}, },
computed: { computed: {
inputError: function () { inputError: function () {
return !isValidHex(this.prefix); return !isValidHex(this.hex);
}, },
example: function () { example: function () {
if (this.inputError) { if (this.inputError) {
return 'N/A'; return 'N/A';
} }
let text = '0x' + (this.checksum ? this.prefix : mixCase(this.prefix)); const chosen = this.checksum ? this.hex : mixCase(this.hex);
for (let i = 0; i < 40 - this.prefix.length; i++) { let random = '';
text += mixCase(Math.floor((Math.random() * 16)).toString(16)); for (let i = 0; i < 40 - this.hex.length; i++) {
random += mixCase(Math.floor((Math.random() * 16)).toString(16));
} }
return text.substr(0, 42); return this.suffix ? `0x${random}${chosen}` :`0x${chosen}${random}`
} }
}, },
methods: { methods: {
@ -93,12 +105,15 @@
} }
}, },
watch: { watch: {
prefix: function () { hex: function () {
this.$emit('input-change', 'prefix', this.prefix); this.$emit('input-change', 'hex', this.hex);
}, },
checksum: function () { checksum: function () {
this.$emit('input-change', 'checksum', this.checksum); this.$emit('input-change', 'checksum', this.checksum);
}, },
suffix: function () {
this.$emit('input-change', 'suffix', this.suffix);
},
threads: function () { threads: function () {
this.$emit('input-change', 'threads', this.threads); this.$emit('input-change', 'threads', this.threads);
} }
@ -128,55 +143,90 @@
overflow-x: hidden overflow-x: hidden
.monospace .monospace
font-family: $monospace-font font-family: $monospace-font
.check .controls
margin: 12px 0 margin: 12px 0
> div
padding: 5px 0
.checkbox .checkbox
margin-bottom: 4px margin-bottom: 4px
padding-left: 30px padding-left: 30px
line-height: 27px line-height: 27px
cursor: pointer cursor: pointer
position: relative position: relative
font-size: 18px color: $text
color: $text font-weight: 400
font-weight: 400 &:last-child
&:last-child margin-bottom: 0
margin-bottom: 0 i
i
position: absolute
bottom: 4px
left: 17.5em
display: block
width: 19px
height: 19px
outline: none
border: 1px solid $border-grey
&.left
position: absolute position: absolute
bottom: 4px bottom: 4px
left: 0 left: 17.5em
display: block display: block
width: 19px width: 19px
height: 19px height: 19px
outline: none outline: none
border: 1px solid $border-grey border: 1px solid $border-grey
input &.left
+ i:after position: absolute
content: '' bottom: 4px
background: url("../assets/images/tick-mark.png") no-repeat left: 0
top: 4px display: block
left: 3px width: 19px
width: 15px height: 19px
height: 15px outline: none
border: 1px solid $border-grey
input
+ i:after
content: ''
background: url("../assets/images/tick-mark.png") no-repeat
top: 4px
left: 3px
width: 15px
height: 15px
position: absolute
opacity: 0
position: absolute position: absolute
opacity: 0 left: -9999px
&:checked + i:after
opacity: 1
.switch
position: relative
width: 40px
height: 24px
margin: 0 5px
input
visibility: hidden
.slider
position: absolute position: absolute
left: -9999px cursor: pointer
&:checked + i:after top: 0
opacity: 1 left: 0
right: 0
bottom: 0
background-color: $primary
transition: .2s
&:before
position: absolute
content: ""
height: 16px
width: 16px
left: 4px
bottom: 4px
background-color: white
transition: .2s
input
&:checked + .slider
background-color: $primary
&:focus + .slider
box-shadow: 0 0 1px $primary
&:checked + .slider:before
transform: translateX(16px)
.threads .threads
font-size: 18px
h4 h4
display: inline display: inline
input[type=button].square-btn input[type=button].square-btn

6
src/vue/Statistics.vue
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@ -37,13 +37,13 @@
}; };
}, },
props: { props: {
prefix: String, hex: String,
checksum: Boolean, checksum: Boolean,
status: String, status: String,
firstTick: {} firstTick: {}
}, },
watch: { watch: {
prefix() { hex() {
this.count = 0; this.count = 0;
}, },
checksum() { checksum() {
@ -52,7 +52,7 @@
}, },
computed: { computed: {
difficulty: function () { difficulty: function () {
return this.inputError ? 'N/A' : computeDifficulty(this.prefix, this.checksum); return this.inputError ? 'N/A' : computeDifficulty(this.hex, this.checksum);
}, },
probability50: function () { probability50: function () {
return this.inputError ? 'N/A' : this.formatNum(Math.floor(Math.log(0.5) / Math.log(1 - (1 / this.difficulty)))) + ' addresses'; return this.inputError ? 'N/A' : this.formatNum(Math.floor(Math.log(0.5) / Math.log(1 - (1 / this.difficulty)))) + ' addresses';