mirror of
https://github.com/tornadocash/trusted-setup-server.git
synced 2024-11-22 01:46:52 +01:00
261 lines
8.4 KiB
Vue
261 lines
8.4 KiB
Vue
<template>
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<div class="ceremony">
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<h1 class="title is-size-1 is-size-2-mobile is-spaced">
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Hello, <span>@{{ userHandle }}</span>
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</h1>
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<h2 class="subtitle">
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What way do you want to contribute to the Tornado.cash Trusted Setup Ceremony?
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</h2>
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<fieldset :disabled="status.type === 'is-success'">
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<div class="columns is-centered">
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<div class="column is-one-third">
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<button
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:class="{ 'is-hovered': contributionType === 'anonymous' }"
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@click="onAnonymousHandler"
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class="box box-anonymous"
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>
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<div class="title is-5">Anonymously</div>
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<Cloak />
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</button>
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</div>
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<div class="column is-one-third">
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<div :class="{ 'is-hovered': isLoggedIn }" class="box">
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<div class="title is-5">Using a social account</div>
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<Form />
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</div>
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</div>
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</div>
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</fieldset>
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<div v-show="contributionHash" class="status">
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<div class="label">Your contribution hash (Blake2b)</div>
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<b-field position="is-centered" class="has-addons contribution-hash">
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<b-input
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@click.native="copyContributionHash"
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:value="contributionHash"
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icon="copy"
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readonly
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></b-input>
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</b-field>
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</div>
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<div v-show="status.type !== ''" class="status">
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<div :class="status.type" class="status-message">{{ status.msg }}</div>
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<div
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v-show="status.type === 'is-success' && contributionType !== 'anonymous'"
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class="status-message is-success"
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>
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Now you can post attestation from your twitter account.
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<div class="buttons is-centered">
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<b-button @click="makeTweet" type="is-primary" tag="a" target="_blank" outlined>
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Post attestation
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</b-button>
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</div>
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</div>
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</div>
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<div v-show="authorizeLink" class="status">
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You still can authorize your contribution by following this
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<a :href="authorizeLink" class="has-text-primary">link</a>.
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</div>
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<div class="buttons is-centered">
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<b-button
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v-if="!isContributeBtnSnown"
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@click="getUserRandom"
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:disabled="isContributeBtnDisabled"
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type="is-primary"
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outlined
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>
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Make the contribution
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</b-button>
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</div>
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<p class="p">
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If you don’t trust binaries, we encorage you to follow this
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<router-link to="/instructions">instruction</router-link> to contribute by compiling from
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source code. It is very easy!
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</p>
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</div>
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</template>
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<script>
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/* eslint-disable no-console */
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import { mapGetters, mapActions } from 'vuex'
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import Cloak from '@/components/Cloak'
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import Form from '@/components/Form'
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const timeout = (ms) => new Promise((resolve) => setTimeout(resolve, ms))
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export default {
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components: {
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Cloak,
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Form
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},
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data() {
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return {
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isContributeBtnSnown: false,
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status: {
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type: '',
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msg: ''
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},
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contributionHash: null,
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authorizeLink: null
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}
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},
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computed: {
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...mapGetters('user', ['isLoggedIn', 'hasErrorName']),
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userName: {
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get() {
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return this.$store.state.user.name
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},
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set(value) {
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this.$store.commit('user/SET_NAME', value)
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}
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},
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userHandle: {
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get() {
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return this.$store.state.user.handle
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},
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set(value) {
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this.$store.commit('user/SET_HANDLE', value)
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}
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},
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userCompany: {
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get() {
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return this.$store.state.user.company
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},
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set(value) {
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this.$store.commit('user/SET_COMPANY', value)
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}
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},
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contributionType: {
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get() {
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return this.$store.state.user.contributionType
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},
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set(value) {
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this.$store.commit('user/SET_CONTRIBUTION_TYPE', value)
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}
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},
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isContributeBtnDisabled() {
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return (
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!this.contributionType ||
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(!this.isLoggedIn && this.contributionType !== 'anonymous') ||
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this.hasErrorName.invalid
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)
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}
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},
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async mounted() {
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this.$root.$emit('enableLoading')
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await this.getUserData()
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setTimeout(() => {
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this.$root.$emit('disableLoading')
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}, 800)
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},
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methods: {
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...mapActions('user', ['makeTweet', 'logOut', 'getUserData']),
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getUserRandom() {
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this.$buefy.dialog.prompt({
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title: 'Contribution',
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message: `Please provide a random input. The input, along with browser randomness, will be used as a source of entropy for your contribution.`,
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inputAttrs: {
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maxlength: 300
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},
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trapFocus: true,
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onConfirm: (userInput) => {
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this.makeContribution({ userInput })
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}
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})
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},
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async makeContribution({ userInput, retry = 0 } = {}) {
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try {
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const contribute = await this.$contribute()
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this.isContributeBtnSnown = true
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this.status.msg = ''
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this.status.type = ''
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this.$root.$emit('enableLoading', 'Downloading last contribution')
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let data = await fetch('api/challenge')
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data = new Uint8Array(await data.arrayBuffer())
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this.$root.$emit(
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'enableLoading',
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'Generating random contribution. Your browser may appear unresponsive. It can take a minute or so'
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)
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await timeout(100) // allow UI to update before freezing in wasm
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console.log('Source params', data)
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let msgBuffer = new TextEncoder('utf-8').encode(userInput)
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let hashBuffer = await window.crypto.subtle.digest('SHA-256', msgBuffer)
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const entropyFromUser = new Uint8Array(hashBuffer)
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console.log('entropyFromUser', entropyFromUser.toString())
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msgBuffer = window.crypto.getRandomValues(new Uint8Array(1024))
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hashBuffer = await window.crypto.subtle.digest('SHA-256', msgBuffer)
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const entropyFromBrowser = new Uint8Array(hashBuffer)
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console.log('entropyFromBrowser', entropyFromBrowser.toString())
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// suffle the browser and user random
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const entropy = new Uint8Array(entropyFromBrowser.length)
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for (let i = 0; i < entropyFromBrowser.length; i++) {
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entropy[i] = entropyFromBrowser[i] + entropyFromUser[i]
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}
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console.log('entropy', entropy)
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const result = contribute(data, entropy)
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console.log('Updated params', result)
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this.$root.$emit('enableLoading', 'Uploading and verifying your contribution')
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const formData = new FormData()
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formData.append('response', new Blob([result], { type: 'application/octet-stream' }))
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if (this.contributionType !== 'anonymous') {
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formData.append('name', this.userName)
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formData.append('company', this.userCompany)
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}
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const resp = await fetch('api/response', {
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method: 'POST',
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body: formData
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})
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if (resp.ok) {
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const responseData = await resp.json()
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this.$store.commit('user/SET_CONTRIBUTION_INDEX', responseData.contributionIndex)
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this.status.msg = 'Your contribution is verified and recorded.'
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this.status.type = 'is-success'
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this.contributionHash = responseData.hash
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if (this.contributionType === 'anonymous') {
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this.authorizeLink = `${window.location.origin}/authorize-contribution?token=${responseData.token}`
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}
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} else if (resp.status === 422) {
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if (retry < 3) {
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console.log(`Looks like someone else uploaded contribution ahead of us, retrying`)
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await this.makeContribution({ userInput, retry: retry++ })
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} else {
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this.status.msg = `Failed to upload your contribution after ${retry} attempts`
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this.status.type = 'is-danger'
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this.isContributeBtnSnown = false
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}
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} else {
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this.status.msg = 'Error uploading your contribution'
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this.status.type = 'is-danger'
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this.isContributeBtnSnown = false
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}
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} catch (e) {
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console.error(e)
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this.status.msg = e.message
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this.status.type = 'is-danger'
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this.isContributeBtnSnown = false
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} finally {
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this.$root.$emit('disableLoading')
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}
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},
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onAnonymousHandler() {
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this.logOut()
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this.contributionType = 'anonymous'
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},
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copyContributionHash() {
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navigator.clipboard.writeText(this.contributionHash).then(() => {
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this.$buefy.toast.open({
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message: 'Copied!',
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type: 'is-primary'
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})
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})
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}
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}
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}
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</script>
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