Files
kredits-web/app/services/kredits.js
T
basti 1deecafee7 Handle pending changes for contributions
This adds the pending tx data to pending contributions (after adding or
vetoing, until the tx is mined). It also disables the veto button while
pending.
2019-09-20 15:43:34 +02:00

428 lines
14 KiB
JavaScript

import ethers from 'ethers';
import Kredits from 'kredits-contracts';
import RSVP from 'rsvp';
import Service from '@ember/service';
import EmberObject from '@ember/object';
import { computed } from '@ember/object';
import { alias, notEmpty } from '@ember/object/computed';
import { isEmpty, isPresent } from '@ember/utils';
import groupBy from 'kredits-web/utils/group-by';
import formatKredits from 'kredits-web/utils/format-kredits';
import config from 'kredits-web/config/environment';
import Contributor from 'kredits-web/models/contributor'
import Proposal from 'kredits-web/models/proposal'
import Contribution from 'kredits-web/models/contribution'
export default Service.extend({
currentBlock: null,
currentUserAccounts: null, // default to not having an account. this is the wen web3 is loaded.
currentUser: null,
contributors: null,
contributions: null,
proposals: null,
githubAccessToken: null,
currentUserIsContributor: notEmpty('currentUser'),
currentUserIsCore: alias('currentUser.isCore'),
hasAccounts: notEmpty('currentUserAccounts'),
contributionsUnconfirmed: computed('contributions.[]', 'currentBlock', function() {
return this.contributions.filter(contribution => {
return contribution.confirmedAt > this.currentBlock;
});
}),
contributionsConfirmed: computed('contributions.[]', 'currentBlock', function() {
return this.contributions
.filterBy('vetoed', false)
.filter(contribution => {
return contribution.confirmedAt <= this.currentBlock;
});
}),
kreditsByContributor: computed('contributionsUnconfirmed.@each.vetoed', 'contributors.[]', function() {
const contributionsUnconfirmed = this.contributionsUnconfirmed.filterBy('vetoed', false);
const contributionsGrouped = groupBy(contributionsUnconfirmed, 'contributorId');
const contributorsWithUnconfirmed = contributionsGrouped.map(c => c.value.toString());
const contributorsWithOnlyConfirmed = this.contributors.reject(c => contributorsWithUnconfirmed.includes(c.id))
const kreditsByContributor = contributionsGrouped.map(c => {
const amountUnconfirmed = c.items.mapBy('amount').reduce((a, b) => a + b);
const contributor = this.contributors.findBy('id', c.value.toString());
return EmberObject.create({
contributor: contributor,
amountUnconfirmed: amountUnconfirmed,
amountConfirmed: contributor.totalKreditsEarned,
amountTotal: contributor.totalKreditsEarned + amountUnconfirmed
})
});
contributorsWithOnlyConfirmed.forEach(c => {
kreditsByContributor.push(EmberObject.create({
contributor: c,
amountUnconfirmed: 0,
amountConfirmed: c.totalKreditsEarned,
amountTotal: c.totalKreditsEarned
}));
})
return kreditsByContributor;
}),
init () {
this._super(...arguments);
this.set('contributors', []);
this.set('proposals', []);
this.set('contributions', []);
},
// This is called in the application route's beforeModel(). So it is
// initialized before everything else, and we can rely on the ethProvider and
// the potential currentUserAccounts to be available
getEthProvider () {
let ethProvider;
return new RSVP.Promise(async (resolve) => {
function instantiateWithoutAccount () {
console.debug('[kredits] Creating new instance from npm module class');
console.debug(`[kredits] providerURL: ${config.web3ProviderUrl}`);
ethProvider = new ethers.providers.JsonRpcProvider(config.web3ProviderUrl);
resolve({
ethProvider: ethProvider,
ethSigner: null
});
}
async function instantiateWithAccount (web3Provider, context) {
console.debug('[kredits] Using user-provided instance, e.g. from Mist browser or Metamask');
ethProvider = new ethers.providers.Web3Provider(web3Provider);
const network = await ethProvider.getNetwork();
if (isPresent(config.web3RequiredNetwork) &&
network.name !== config.web3RequiredNetwork) {
window.alert(`Please switch your Ethereum wallet to the "${config.web3RequiredNetwork}" network before connecting your account.`);
return instantiateWithoutAccount();
}
ethProvider.listAccounts().then(accounts => {
context.set('currentUserAccounts', accounts);
const ethSigner = accounts.length === 0 ? null : ethProvider.getSigner();
resolve({
ethProvider,
ethSigner
});
});
}
if (window.ethereum) {
if (window.ethereum.isConnected()) {
instantiateWithAccount(window.ethereum, this);
} else {
instantiateWithoutAccount();
}
}
// Legacy dapp browsers...
else if (window.web3) {
instantiateWithAccount(window.web3.currentProvider, this);
}
// Non-dapp browsers...
else {
instantiateWithoutAccount();
}
});
},
setup () {
return this.getEthProvider().then((providerAndSigner) => {
let kredits = new Kredits(providerAndSigner.ethProvider, providerAndSigner.ethSigner, {
addresses: { Kernel: config.kreditsKernelAddress },
apm: config.kreditsApmDomain,
ipfsConfig: config.ipfs
});
return kredits
.init()
.then(async (kredits) => {
this.set('kredits', kredits);
this.set('currentBlock', await kredits.provider.getBlockNumber());
if (this.currentUserAccounts && this.currentUserAccounts.length > 0) {
this.getCurrentUser.then((contributorData) => {
this.set('currentUser', contributorData);
});
}
return kredits;
});
});
},
totalSupply: computed(function() {
return this.kredits.Token.functions.totalSupply().then(total => {
return formatKredits(total);
})
}),
totalKreditsEarned: computed(function() {
return this.kredits.Contribution.functions.totalKreditsEarned(true)
.then(total => total.toNumber());
}),
loadInitialData () {
return this.getContributors()
.then(contributors => this.contributors.pushObjects(contributors))
.then(() => this.getContributions())
.then(contributions => this.contributions.pushObjects(contributions))
},
addContributor (attributes) {
if (attributes.github_uid) {
const uidInt = parseInt(attributes.github_uid);
attributes.github_uid = uidInt;
}
console.debug('[kredits] add contributor', attributes);
return this.kredits.Contributor.add(attributes, { gasLimit: 350000 })
.then(data => {
console.debug('[kredits] add contributor response', data);
});
},
updateContributor (id, attributes) {
if (attributes.github_uid) {
const uidInt = parseInt(attributes.github_uid);
attributes.github_uid = uidInt;
}
console.debug('[kredits] update contributor', attributes);
return this.kredits.Contributor.updateProfile(id, attributes, { gasLimit: 350000 })
.then(data => {
console.debug('[kredits] updateProfile response', data);
});
},
getContributors () {
return this.kredits.Contributor.all()
.then((contributors) => {
return contributors.map((contributor) => {
return Contributor.create(contributor);
});
});
},
addContribution (attributes) {
console.debug('[kredits] add contribution', attributes);
return this.kredits.Contribution.addContribution(attributes, { gasLimit: 300000 })
.then(data => {
console.debug('[kredits] add contribution response', data);
attributes.contributor = this.contributors.findBy('id', attributes.contributorId);
const contribution = Contribution.create(attributes);
contribution.set('pendingTx', data);
contribution.set('confirmedAtBlock', data.blockNumber + 40320);
this.contributions.pushObject(contribution);
return contribution;
});
},
//
// TODO Implement proposals with voting
//
// addProposal (attributes) {
// console.debug('[kredits] add proposal', attributes);
//
// return this.kredits.Proposal.addProposal(attributes)
// .then((data) => {
// console.debug('[kredits] add proposal response', data);
// attributes.contributor = this.contributors.findBy('id', attributes.contributorId);
// return Proposal.create(attributes);
// });
// },
// getProposals () {
// return this.kredits.Proposal.all()
// .then(proposals => {
// return proposals.map(proposal => {
// proposal.contributor = this.contributors.findBy('id', proposal.contributorId.toString());
// return Proposal.create(proposal);
// });
// });
// },
getContributions () {
return this.kredits.Contribution.all({page: {size: 200}})
.then(contributions => {
return contributions.map(contribution => {
contribution.contributor = this.contributors.findBy('id', contribution.contributorId.toString());
return Contribution.create(contribution);
});
});
},
vote (proposalId) {
console.debug('[kredits] vote for', proposalId);
return this.kredits.Proposal.functions.vote(proposalId)
.then(data => {
console.debug('[kredits] vote response', data);
return data;
});
},
veto (contributionId) {
console.debug('[kredits] veto against', contributionId);
const contribution = this.contributions.findBy('id', contributionId);
return this.kredits.Contribution.functions.veto(contributionId, { gasLimit: 300000 })
.then(data => {
console.debug('[kredits] veto response', data);
contribution.set('pendingTx', data);
return data;
});
},
getCurrentUser: computed('kredits.provider', function() {
if (isEmpty(this.currentUserAccounts)) {
return RSVP.resolve();
}
return this.kredits.Contributor
.functions.getContributorIdByAddress(this.get('currentUserAccounts.firstObject'))
.then((id) => {
// check if the user is a contributor or not
if (id === 0) {
return RSVP.resolve();
} else {
return this.kredits.Contributor.getById(id);
}
});
}),
findProposalById(proposalId) {
return this.proposals.findBy('id', proposalId.toString());
},
// Contract events
addContractEventHandlers () {
this.kredits.Contributor
.on('ContributorProfileUpdated', this.handleContributorChange.bind(this))
.on('ContributorAccountUpdated', this.handleContributorChange.bind(this))
.on('ContributorAdded', this.handleContributorChange.bind(this))
this.kredits.Contribution
.on('ContributionAdded', this.handleContributionAdded.bind(this))
.on('ContributionVetoed', this.handleContributionVetoed.bind(this))
this.kredits.Proposal
.on('ProposalCreated', this.handleProposalCreated.bind(this))
.on('ProposalVoted', this.handleProposalVoted.bind(this))
.on('ProposalExecuted', this.handleProposalExecuted.bind(this));
this.kredits.Token
.on('Transfer', this.handleTransfer.bind(this));
},
async handleContributorChange (contributorId, ...args) {
console.debug('[kredits] Contributor add/update event received for ID', contributorId);
console.debug('[kredits] Event data:', args);
const contributorData = await this.kredits.Contributor.getById(contributorId);
const newContributor = Contributor.create(contributorData);
const oldContributor = this.contributors.findBy('id', contributorId.toString());
if (oldContributor) {
console.debug('[kredits] old contributor', oldContributor);
this.contributors.removeObject(oldContributor);
}
console.debug('[kredits] new contributor', newContributor);
this.contributors.pushObject(newContributor);
},
async handleContributionAdded (id, contributorId, amount) {
console.debug('[kredits] ContributionAdded event received', { id, contributorId, amount });
const pendingContribution = this.contributions.find(c => {
return (c.id === null) &&
(c.contributorId.toString() === contributorId.toString()) &&
(c.amount.toString() === amount.toString());
});
if (pendingContribution) {
const attributes = await this.kredits.Contribution.getById(id);
attributes.contributor = this.contributors.findBy('id', attributes.contributorId.toString());
const newContribution = Contribution.create(attributes);
this.contributions.addObject(newContribution);
this.contributions.removeObject(pendingContribution);
}
},
handleContributionVetoed (contributionId) {
console.debug('[kredits] ContributionVetoed event received for ', contributionId);
const contribution = this.contributions.findBy('id', contributionId);
console.debug('[kredits] contribution', contribution);
if (contribution) {
contribution.set('vetoed', true);
contribution.set('pendingTx', null);
}
},
handleProposalCreated (proposalId) {
let proposal = this.findProposalById(proposalId);
if (proposal) {
console.debug('[events] proposal exists, not adding from event');
return;
}
this.kredits.Proposal.getById(proposalId)
.then((proposal) => {
proposal.contributor = this.contributors.findBy('id', proposal.contributorId.toString());
this.proposals.pushObject(Proposal.create(proposal));
});
},
// TODO: We may want to reload that proposal to show the voter as voted
handleProposalVoted (proposalId, voterId, totalVotes) {
let proposal = this.findProposalById(proposalId);
if (proposal) {
proposal.set('votesCount', totalVotes);
}
},
handleProposalExecuted (proposalId, contributorId, amount) {
let proposal = this.findProposalById(proposalId);
if (proposal.get('isExecuted')) {
console.debug('[events] proposal already executed, not adding from event');
return;
}
proposal.set('executed', true);
this.contributors
.findBy('id', contributorId.toString())
.incrementProperty('balance', amount);
},
handleTransfer (from, to, value) {
value = value.toNumber();
this.contributors
.findBy('address', from)
.decrementProperty('balance', value);
this.contributors
.findBy('address', to)
.incrementProperty('balance', value);
},
});