git.delta.rocks / unique-network / refs/commits / d02af7b15c14

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11    "@types/mocha": "^8.0.3",12    "@types/mocha": "^8.0.3",
12    "chai": "^4.2.0",13    "chai": "^4.2.0",
13    "mocha": "^8.1.1",14    "mocha": "^8.1.1",
25    "@polkadot/api": "^1.31.2",26    "@polkadot/api": "^1.31.2",
26    "@polkadot/types": "^1.31.2",27    "@polkadot/types": "^1.31.2",
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1import {expect} from 'chai';1import usingApi from "./substrate/substrate-api";
2import { WsProvider } from '@polkadot/api';
3import * as chai from 'chai';
2import usingApi from "./substrate/substrate-api";4import chaiAsPromised from 'chai-as-promised';
5
6chai.use(chaiAsPromised);
7
8const expect = chai.expect;
39
4describe('Connection', () => {10describe('Connection', () => {
5  it('Connection can be established', async () => {11  it('Connection can be established', async () => {
9    });15    });
10  });16  });
17
18  it('Cannot connect to 0.0.0.0', () => {
19    const neverConnectProvider = new WsProvider('ws://0.0.0.0:9944');
20    expect((async () => {
21      await usingApi(async api => {
22        const health = await api.rpc.system.health();
23      }, { provider: neverConnectProvider });
24    })()).to.be.eventually.rejected;
25  });
11});26});

3import promisifySubstrate from "./promisify-substrate";3import promisifySubstrate from "./promisify-substrate";
4import { ApiOptions } from "@polkadot/api/types";4import { ApiOptions } from "@polkadot/api/types";
5
6function defaultApiOptions(): ApiOptions {
7  const wsProvider = new WsProvider(config.substrateUrl);
8  return { provider: wsProvider, types: JSON.parse(config.customTypes) };
9}
510
6export default async function usingApi(action: (api: ApiPromise) => Promise<void>): Promise<void> {11export default async function usingApi(action: (api: ApiPromise) => Promise<void>, settings: ApiOptions | undefined = undefined): Promise<void> {
7  const wsProvider = new WsProvider(config.substrateUrl);
8  const settings: ApiOptions = { provider: wsProvider, types: JSON.parse(config.customTypes) };12  settings = settings || defaultApiOptions();
9  let api: ApiPromise | undefined = undefined;13  let api: ApiPromise | undefined = undefined;
1014
11  try {15  try {
12    api = await ApiPromise.create(settings);16    api = new ApiPromise(settings);
13    await promisifySubstrate(api, () => api && api.isReady)();17    await promisifySubstrate(api, () => api && api.isReady)();
14    await action(api);18    await action(api);
15  } finally {19  } finally {