git.iko.soy/bridge
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bridge/src/walletgen/lib/lib.js
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1import * as ob from 'urbit-ob';
2import * as kg from 'urbit-key-generation/dist/index';
3import * as more from 'more-entropy';
4import lodash from 'lodash';
5import {
6 MIN_STAR,
7 MIN_PLANET,
8 SEED_ENTROPY_BITS,
9 GALAXY_ENTROPY_BITS,
10 STAR_ENTROPY_BITS,
11 PLANET_ENTROPY_BITS,
12} from './constants';
14const SEED_LENGTH_BYTES = SEED_ENTROPY_BITS / 8;
16// returns a promise for a ticket string
17const makeTicket = point => {
18 const bits =
19 point < MIN_STAR
20 ? GALAXY_ENTROPY_BITS
21 : point < MIN_PLANET
22 ? STAR_ENTROPY_BITS
23 : PLANET_ENTROPY_BITS;
25 const bytes = bits / 8;
26 const some = new Uint8Array(bytes);
27 window.crypto.getRandomValues(some);
29 const gen = new more.Generator();
31 return new Promise((resolve, reject) => {
32 gen.generate(bits, result => {
33 const chunked = lodash.chunk(result, 2);
34 const desired = chunked.slice(0, bytes); // only take required entropy
35 const more = lodash.flatMap(desired, arr => arr[0] ^ arr[1]);
36 const entropy = lodash.zipWith(some, more, (x, y) => x ^ y);
37 const buf = Buffer.from(entropy);
38 const patq = ob.hex2patq(buf.toString('hex'));
39 resolve(patq);
40 reject('Entropy generation failed');
41 });
42 });
43};
45// return a wallet object
46const generateWallet = async (point, ticket, boot) => {
47 const config = {
48 ticket: ticket,
49 seedSize: SEED_LENGTH_BYTES,
50 ship: point,
51 password: '',
52 revisions: {},
53 boot: boot,
54 };
56 const wallet = await kg.generateWallet(config);
58 // This is here to notify anyone who opens console because the thread
59 // hangs, blocking UI updates so this cannot be done in the UI
60 console.log('Generating Wallet for point address: ', point);
62 return wallet;
63};
65// returns a promise
66const generateOwnershipWallet = (ship, ticket) =>
67 kg.generateOwnershipWallet({ ship, ticket });
69const seq = num => Array.from(Array(num), (_, i) => i);
71const compose = (...fs) =>
72 fs.reduceRight((pF, nF) => (...args) => nF(pF(...args)), v => v);
74export { makeTicket, generateWallet, generateOwnershipWallet, compose, seq };