Files
kredits-web/app/lib/kredits/contracts/operator.js
T
2018-04-09 02:09:38 +02:00

73 lines
1.8 KiB
JavaScript

import ethers from 'npm:ethers';
import RSVP from 'rsvp';
import Kredits from '../kredits';
import ContributionSerializer from '../serializers/contribution';
import { toBytes32 } from '../utils/multihash';
import Base from './base';
export default class Operator extends Base {
all() {
return this.contract.functions.proposalsCount()
.then((count) => {
count = count.toNumber();
let proposals = [];
for (let id = 0; id < count; id++) {
proposals.push(this.getById(id));
}
return RSVP.all(proposals);
});
}
getById(id) {
id = ethers.utils.bigNumberify(id);
return this.contract.functions.proposals(id)
.then(this.reassembleIpfsHash)
.then((data) => {
// TODO: remove as soon as the contract provides the id
data.id = id;
// TODO: rename creatorAddress to creator
data.creatorAddress = data.creator;
return data;
})
// Fetch IPFS data if available
.then((data) => {
return this.fetchAndMergeIpfsData(data, ContributionSerializer);
});
}
addProposal(attributes) {
console.log(attributes);
let json = ContributionSerializer.serialize(attributes);
// TODO: validate against schema
return Kredits.ipfs
.add(new Kredits.ipfs.Buffer(json))
.then((res) => res[0].hash)
.then((ipfsHash) => {
Object.assign(attributes, toBytes32(ipfsHash));
return attributes;
})
.then((attributes) => {
let { recipientId, amount, digest, hashFunction, hashSize } = attributes;
let proposal = [
recipientId,
amount,
digest,
hashFunction,
hashSize,
];
console.log('[kredits] addProposal', ...proposal);
return this.contract.functions.addProposal(...proposal);
});
}
}