399 lines
13 KiB
JavaScript
399 lines
13 KiB
JavaScript
import ethers from 'ethers';
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import Kredits from 'kredits-contracts';
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import RSVP from 'rsvp';
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import Service from '@ember/service';
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import EmberObject from '@ember/object';
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import { computed } from '@ember/object';
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import { alias, notEmpty } from '@ember/object/computed';
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import { isEmpty } from '@ember/utils';
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import groupBy from 'kredits-web/utils/group-by';
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import formatKredits from 'kredits-web/utils/format-kredits';
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import config from 'kredits-web/config/environment';
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import Contributor from 'kredits-web/models/contributor'
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import Proposal from 'kredits-web/models/proposal'
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import Contribution from 'kredits-web/models/contribution'
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export default Service.extend({
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currentBlock: null,
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currentUserAccounts: null, // default to not having an account. this is the wen web3 is loaded.
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currentUser: null,
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contributors: null,
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contributions: null,
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proposals: null,
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githubAccessToken: null,
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currentUserIsContributor: notEmpty('currentUser'),
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currentUserIsCore: alias('currentUser.isCore'),
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hasAccounts: notEmpty('currentUserAccounts'),
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contributionsUnconfirmed: computed('contributions.[]', 'currentBlock', function() {
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return this.contributions.filter(contribution => {
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return contribution.confirmedAt > this.currentBlock;
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});
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}),
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contributionsConfirmed: computed('contributions.[]', 'currentBlock', function() {
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return this.contributions
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.filterBy('vetoed', false)
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.filter(contribution => {
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return contribution.confirmedAt <= this.currentBlock;
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});
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}),
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kreditsByContributor: computed('contributionsUnconfirmed.@each.vetoed', 'contributors.[]', function() {
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const contributionsUnconfirmed = this.contributionsUnconfirmed.filterBy('vetoed', false);
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const contributionsGrouped = groupBy(contributionsUnconfirmed, 'contributorId');
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const contributorsWithUnconfirmed = contributionsGrouped.map(c => c.value.toString());
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const contributorsWithOnlyConfirmed = this.contributors.reject(c => contributorsWithUnconfirmed.includes(c.id))
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const kreditsByContributor = contributionsGrouped.map(c => {
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const amountUnconfirmed = c.items.mapBy('amount').reduce((a, b) => a + b);
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const contributor = this.contributors.findBy('id', c.value.toString());
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return EmberObject.create({
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contributor: contributor,
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amountUnconfirmed: amountUnconfirmed,
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amountConfirmed: contributor.totalKreditsEarned,
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amountTotal: contributor.totalKreditsEarned + amountUnconfirmed
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})
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});
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contributorsWithOnlyConfirmed.forEach(c => {
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kreditsByContributor.push(EmberObject.create({
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contributor: c,
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amountUnconfirmed: 0,
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amountConfirmed: c.totalKreditsEarned,
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amountTotal: c.totalKreditsEarned
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}));
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})
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return kreditsByContributor;
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}),
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init () {
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this._super(...arguments);
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this.set('contributors', []);
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this.set('proposals', []);
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this.set('contributions', []);
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},
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// This is called in the application route's beforeModel(). So it is
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// initialized before everything else, and we can rely on the ethProvider and
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// the potential currentUserAccounts to be available
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getEthProvider () {
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let ethProvider;
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return new RSVP.Promise(async (resolve) => {
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function instantiateWithoutAccount () {
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console.debug('[kredits] Creating new instance from npm module class');
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console.debug(`[kredits] providerURL: ${config.web3ProviderUrl}`);
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ethProvider = new ethers.providers.JsonRpcProvider(config.web3ProviderUrl);
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resolve({
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ethProvider: ethProvider,
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ethSigner: null
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});
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}
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async function instantiateWithAccount (web3Provider, context) {
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// TODO check if network is rinkeby
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console.debug('[kredits] Using user-provided instance, e.g. from Mist browser or Metamask');
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ethProvider = new ethers.providers.Web3Provider(web3Provider);
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// const network = await ethProvider.getNetwork();
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ethProvider.listAccounts().then(accounts => {
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context.set('currentUserAccounts', accounts);
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const ethSigner = accounts.length === 0 ? null : ethProvider.getSigner();
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resolve({
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ethProvider,
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ethSigner
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});
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});
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}
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if (window.ethereum) {
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try {
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// Request account access if needed
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await window.ethereum.enable();
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// Accounts now exposed
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instantiateWithAccount(window.ethereum, this);
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} catch (error) {
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instantiateWithoutAccount();
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}
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}
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// Legacy dapp browsers...
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else if (window.web3) {
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instantiateWithAccount(window.web3.currentProvider, this);
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}
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// Non-dapp browsers...
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else {
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instantiateWithoutAccount();
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}
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});
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},
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setup () {
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return this.getEthProvider().then((providerAndSigner) => {
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let kredits = new Kredits(providerAndSigner.ethProvider, providerAndSigner.ethSigner, {
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addresses: { Kernel: config.kreditsKernelAddress },
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apm: config.kreditsApmDomain,
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ipfsConfig: config.ipfs
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});
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return kredits
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.init()
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.then(async (kredits) => {
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this.set('kredits', kredits);
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this.set('currentBlock', await kredits.provider.getBlockNumber());
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if (this.currentUserAccounts && this.currentUserAccounts.length > 0) {
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this.getCurrentUser.then((contributorData) => {
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this.set('currentUser', contributorData);
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});
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}
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return kredits;
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});
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});
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},
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totalSupply: computed(function() {
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return this.kredits.Token.functions.totalSupply().then(total => {
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return formatKredits(total);
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})
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}),
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totalKreditsEarned: computed(function() {
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return this.kredits.Contribution.functions.totalKreditsEarned(true)
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.then(total => total.toNumber());
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}),
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loadInitialData () {
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return this.getContributors()
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.then(contributors => this.contributors.pushObjects(contributors))
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.then(() => this.getContributions())
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.then(contributions => this.contributions.pushObjects(contributions))
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},
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addContributor (attributes) {
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if (attributes.github_uid) {
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const uidInt = parseInt(attributes.github_uid);
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attributes.github_uid = uidInt;
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}
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console.debug('[kredits] add contributor', attributes);
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return this.kredits.Contributor.add(attributes, { gasLimit: 350000 })
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.then(data => {
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console.debug('[kredits] add contributor response', data);
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});
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},
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updateContributor (id, attributes) {
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if (attributes.github_uid) {
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const uidInt = parseInt(attributes.github_uid);
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attributes.github_uid = uidInt;
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}
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console.debug('[kredits] update contributor', attributes);
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return this.kredits.Contributor.updateProfile(id, attributes, { gasLimit: 350000 })
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.then(data => {
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console.debug('[kredits] updateProfile response', data);
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});
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},
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getContributors () {
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return this.kredits.Contributor.all()
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.then((contributors) => {
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return contributors.map((contributor) => {
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return Contributor.create(contributor);
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});
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});
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},
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addContribution (attributes) {
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console.debug('[kredits] add contribution', attributes);
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return this.kredits.Contribution.addContribution(attributes, { gasLimit: 300000 })
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.then(data => {
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console.debug('[kredits] add contribution response', data);
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attributes.contributor = this.contributors.findBy('id', attributes.contributorId);
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const contribution = Contribution.create(attributes);
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// TODO receive from wrapper
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contribution.set('confirmedAtBlock', data.blockNumber + 40320);
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this.contributions.pushObject(contribution);
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return contribution;
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});
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},
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addProposal (attributes) {
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console.debug('[kredits] add proposal', attributes);
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return this.kredits.Proposal.addProposal(attributes)
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.then((data) => {
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console.debug('[kredits] add proposal response', data);
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attributes.contributor = this.contributors.findBy('id', attributes.contributorId);
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return Proposal.create(attributes);
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});
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},
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getProposals () {
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return this.kredits.Proposal.all()
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.then((proposals) => {
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return proposals.map((proposal) => {
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proposal.contributor = this.contributors.findBy('id', proposal.contributorId.toString());
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return Proposal.create(proposal);
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});
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});
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},
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getContributions () {
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return this.kredits.Contribution.all({page: {size: 200}})
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.then(contributions => {
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return contributions.map(contribution => {
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contribution.contributor = this.contributors.findBy('id', contribution.contributorId.toString());
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return Contribution.create(contribution);
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});
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});
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},
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vote (proposalId) {
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console.debug('[kredits] vote for', proposalId);
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return this.kredits.Proposal.functions.vote(proposalId)
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.then(data => {
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console.debug('[kredits] vote response', data);
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return data;
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});
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},
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veto (contributionId) {
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console.debug('[kredits] veto against', contributionId);
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return this.kredits.Contribution.functions.veto(contributionId, { gasLimit: 300000 })
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.then(data => {
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console.debug('[kredits] veto response', data);
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return data;
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});
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},
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getCurrentUser: computed('kredits.provider', function() {
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if (isEmpty(this.currentUserAccounts)) {
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return RSVP.resolve();
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}
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return this.kredits.Contributor
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.functions.getContributorIdByAddress(this.get('currentUserAccounts.firstObject'))
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.then((id) => {
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// check if the user is a contributor or not
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if (id === 0) {
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return RSVP.resolve();
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} else {
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return this.kredits.Contributor.getById(id);
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}
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});
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}),
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findProposalById(proposalId) {
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return this.proposals.findBy('id', proposalId.toString());
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},
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// Contract events
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addContractEventHandlers () {
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this.kredits.Contributor
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.on('ContributorProfileUpdated', this.handleContributorChange.bind(this))
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.on('ContributorAccountUpdated', this.handleContributorChange.bind(this))
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.on('ContributorAdded', this.handleContributorChange.bind(this))
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this.kredits.Contribution
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.on('ContributionVetoed', this.handleContributionVetoed.bind(this))
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this.kredits.Proposal
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.on('ProposalCreated', this.handleProposalCreated.bind(this))
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.on('ProposalVoted', this.handleProposalVoted.bind(this))
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.on('ProposalExecuted', this.handleProposalExecuted.bind(this));
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this.kredits.Token
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.on('Transfer', this.handleTransfer.bind(this));
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},
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async handleContributorChange (contributorId, ...args) {
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console.debug('[kredits] Contributor add/update event received for ID', contributorId);
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console.debug('[kredits] Event data:', args);
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const contributorData = await this.kredits.Contributor.getById(contributorId);
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const newContributor = Contributor.create(contributorData);
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const oldContributor = this.contributors.findBy('id', contributorId.toString());
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if (oldContributor) {
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console.debug('[kredits] old contributor', oldContributor);
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this.contributors.removeObject(oldContributor);
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}
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console.debug('[kredits] new contributor', newContributor);
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this.contributors.pushObject(newContributor);
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},
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handleContributionVetoed (contributionId) {
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console.debug('[kredits] ContributionVetoed event received for ', contributionId);
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const contribution = this.contributions.findBy('id', contributionId);
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console.debug('[kredits] contribution', contribution);
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if (contribution) {
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contribution.set('vetoed', true);
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}
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},
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handleProposalCreated (proposalId) {
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let proposal = this.findProposalById(proposalId);
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if (proposal) {
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console.debug('[events] proposal exists, not adding from event');
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return;
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}
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this.kredits.Proposal.getById(proposalId)
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.then((proposal) => {
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proposal.contributor = this.contributors.findBy('id', proposal.contributorId.toString());
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this.proposals.pushObject(Proposal.create(proposal));
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});
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},
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// TODO: We may want to reload that proposal to show the voter as voted
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handleProposalVoted (proposalId, voterId, totalVotes) {
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let proposal = this.findProposalById(proposalId);
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if (proposal) {
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proposal.set('votesCount', totalVotes);
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}
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},
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handleProposalExecuted (proposalId, contributorId, amount) {
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let proposal = this.findProposalById(proposalId);
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if (proposal.get('isExecuted')) {
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console.debug('[events] proposal already executed, not adding from event');
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return;
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}
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proposal.set('executed', true);
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this.contributors
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.findBy('id', contributorId.toString())
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.incrementProperty('balance', amount);
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},
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handleTransfer (from, to, value) {
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value = value.toNumber();
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this.contributors
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.findBy('address', from)
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.decrementProperty('balance', value);
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this.contributors
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.findBy('address', to)
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.incrementProperty('balance', value);
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},
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});
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