Extract kredits module

2018-04-09 02:09:07 +02:00
parent cb1208acaa
commit 7e04cef964
15 changed files with 343 additions and 320 deletions
@@ -0,0 +1,72 @@
+import ethers from 'npm:ethers';
+import RSVP from 'rsvp';
+
+import Kredits from '../kredits';
+import ContributorSerializer from '../serializers/contributor';
+import { toBytes32 } from '../utils/multihash';
+
+import Base from './base';
+
+export default class Contributor extends Base {
+  all() {
+    return this.contract.functions.contributorsCount()
+      .then((count) => {
+        count = count.toNumber();
+        let contributors = [];
+
+        for (let id = 1; id <= count; id++) {
+          contributors.push(this.getById(id));
+        }
+
+        return RSVP.all(contributors);
+      });
+  }
+
+  getById(id) {
+    id = ethers.utils.bigNumberify(id);
+
+    return this.contract.functions.getContributorById(id)
+      .then(this.reassembleIpfsHash)
+      .then((data) => {
+        // TODO: remove as soon as the contract provides the id
+        data.id = id;
+        // TODO: rename address to account
+        data.address = data.account;
+
+        return data;
+      })
+      // Fetch IPFS data if available
+      .then((data) => {
+        return this.fetchAndMergeIpfsData(data, ContributorSerializer);
+      });
+  }
+
+  add(attributes) {
+    console.log(attributes);
+
+    let json = ContributorSerializer.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 { address, digest, hashFunction, hashSize, isCore } = attributes;
+
+        let contributor = [
+          address,
+          digest,
+          hashFunction,
+          hashSize,
+          isCore,
+        ];
+
+        console.log('[kredits] addContributor', ...contributor);
+        return this.contract.functions.addContributor(...contributor);
+      });
+  }
+}