58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
const ethers = require('ethers');
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const RSVP = require('rsvp');
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const ContributionSerializer = require('../serializers/contribution');
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const Base = require('./base');
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class Operator extends Base {
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all() {
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return this.functions.proposalsCount()
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.then((count) => {
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count = count.toNumber();
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let proposals = [];
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for (let id = 1; id <= count; id++) {
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proposals.push(this.getById(id));
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}
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return RSVP.all(proposals);
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});
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}
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getById(id) {
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id = ethers.utils.bigNumberify(id);
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return this.functions.getProposal(id)
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.then((data) => {
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// TODO: remove when naming updated on the contract
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data.hashDigest = data.ipfsHash;
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return data;
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})
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// Fetch IPFS data if available
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.then((data) => {
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return this.ipfs.catAndMerge(data, ContributionSerializer.deserialize);
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});
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}
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addProposal(proposalAttr) {
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let json = ContributionSerializer.serialize(proposalAttr);
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// TODO: validate against schema
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return this.ipfs
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.add(json)
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.then((ipfsHashAttr) => {
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let proposal = [
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proposalAttr.contributorId,
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proposalAttr.amount,
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ipfsHashAttr.hashDigest,
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ipfsHashAttr.hashFunction,
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ipfsHashAttr.hashSize,
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];
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return this.functions.addProposal(...proposal);
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});
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}
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}
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module.exports = Operator;
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