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* refactor: core async (#478) * refactor: cleanup core test: auto dial on startup * fix: make hangup work properly * chore: fix lint * chore: apply suggestions from code review Co-Authored-By: Vasco Santos <vasco.santos@moxy.studio> * fix: provide libp2p dialer to the dht * chore: use dht release
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,43 +1,72 @@ | ||
| 'use strict' | ||
|
|
||
| const nextTick = require('async/nextTick') | ||
| const errCode = require('err-code') | ||
| const promisify = require('promisify-es6') | ||
|
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| const { messages, codes } = require('./errors') | ||
|
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| module.exports = (node) => { | ||
| module.exports = (node, DHT, config) => { | ||
| const dht = new DHT({ | ||
| dialer: node.dialer, | ||
| peerInfo: node.peerInfo, | ||
| peerStore: node.peerStore, | ||
| registrar: node.registrar, | ||
| datastore: this.datastore, | ||
| ...config | ||
| }) | ||
|
|
||
| return { | ||
| put: promisify((key, value, callback) => { | ||
| if (!node._dht) { | ||
| return nextTick(callback, errCode(new Error(messages.DHT_DISABLED), codes.DHT_DISABLED)) | ||
| /** | ||
| * Store the given key/value pair in the DHT. | ||
| * @param {Buffer} key | ||
| * @param {Buffer} value | ||
| * @param {Object} [options] - put options | ||
| * @param {number} [options.minPeers] - minimum number of peers required to successfully put | ||
| * @returns {Promise<void>} | ||
| */ | ||
| put: (key, value, options) => { | ||
| if (!node.isStarted() || !dht.isStarted) { | ||
| throw errCode(new Error(messages.NOT_STARTED_YET), codes.DHT_NOT_STARTED) | ||
| } | ||
|
|
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| node._dht.put(key, value, callback) | ||
| }), | ||
| get: promisify((key, options, callback) => { | ||
| if (typeof options === 'function') { | ||
| callback = options | ||
| options = {} | ||
| } | ||
| return dht.put(key, value, options) | ||
| }, | ||
|
|
||
| if (!node._dht) { | ||
| return nextTick(callback, errCode(new Error(messages.DHT_DISABLED), codes.DHT_DISABLED)) | ||
| /** | ||
| * Get the value to the given key. | ||
| * Times out after 1 minute by default. | ||
| * @param {Buffer} key | ||
| * @param {Object} [options] - get options | ||
| * @param {number} [options.timeout] - optional timeout (default: 60000) | ||
| * @returns {Promise<{from: PeerId, val: Buffer}>} | ||
| */ | ||
| get: (key, options) => { | ||
| if (!node.isStarted() || !dht.isStarted) { | ||
| throw errCode(new Error(messages.NOT_STARTED_YET), codes.DHT_NOT_STARTED) | ||
| } | ||
|
|
||
| node._dht.get(key, options, callback) | ||
| }), | ||
| getMany: promisify((key, nVals, options, callback) => { | ||
| if (typeof options === 'function') { | ||
| callback = options | ||
| options = {} | ||
| } | ||
| return dht.get(key, options) | ||
| }, | ||
|
|
||
| if (!node._dht) { | ||
| return nextTick(callback, errCode(new Error(messages.DHT_DISABLED), codes.DHT_DISABLED)) | ||
| /** | ||
| * Get the `n` values to the given key without sorting. | ||
| * @param {Buffer} key | ||
| * @param {number} nVals | ||
| * @param {Object} [options] - get options | ||
| * @param {number} [options.timeout] - optional timeout (default: 60000) | ||
| * @returns {Promise<Array<{from: PeerId, val: Buffer}>>} | ||
| */ | ||
| getMany: (key, nVals, options) => { | ||
| if (!node.isStarted() || !dht.isStarted) { | ||
| throw errCode(new Error(messages.NOT_STARTED_YET), codes.DHT_NOT_STARTED) | ||
| } | ||
|
|
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| node._dht.getMany(key, nVals, options, callback) | ||
| }) | ||
| return dht.getMany(key, nVals, options) | ||
| }, | ||
|
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| _dht: dht, | ||
|
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||
| start: () => dht.start(), | ||
|
|
||
| stop: () => dht.stop() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| 'use strict' | ||
| /* eslint-env mocha */ | ||
|
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||
| const chai = require('chai') | ||
| chai.use(require('dirty-chai')) | ||
| const { expect } = chai | ||
|
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| const mergeOptions = require('merge-options') | ||
| const multiaddr = require('multiaddr') | ||
|
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| const { create } = require('../../src') | ||
| const { baseOptions, subsystemOptions } = require('./utils') | ||
| const peerUtils = require('../utils/creators/peer') | ||
|
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| const listenAddr = multiaddr('/ip4/127.0.0.1/tcp/0') | ||
|
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| describe('DHT subsystem is configurable', () => { | ||
| let libp2p | ||
|
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| afterEach(async () => { | ||
| libp2p && await libp2p.stop() | ||
| }) | ||
|
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| it('should not exist if no module is provided', async () => { | ||
| libp2p = await create(baseOptions) | ||
| expect(libp2p._dht).to.not.exist() | ||
| }) | ||
|
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| it('should exist if the module is provided', async () => { | ||
| libp2p = await create(subsystemOptions) | ||
| expect(libp2p._dht).to.exist() | ||
| }) | ||
|
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| it('should start and stop by default once libp2p starts', async () => { | ||
| const [peerInfo] = await peerUtils.createPeerInfoFromFixture(1) | ||
| peerInfo.multiaddrs.add(listenAddr) | ||
|
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| const customOptions = mergeOptions(subsystemOptions, { | ||
| peerInfo | ||
| }) | ||
|
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| libp2p = await create(customOptions) | ||
| expect(libp2p._dht._dht.isStarted).to.equal(false) | ||
|
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| await libp2p.start() | ||
| expect(libp2p._dht._dht.isStarted).to.equal(true) | ||
|
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| await libp2p.stop() | ||
| expect(libp2p._dht._dht.isStarted).to.equal(false) | ||
| }) | ||
|
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| it('should not start if disabled once libp2p starts', async () => { | ||
| const [peerInfo] = await peerUtils.createPeerInfoFromFixture(1) | ||
| peerInfo.multiaddrs.add(listenAddr) | ||
|
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| const customOptions = mergeOptions(subsystemOptions, { | ||
| peerInfo, | ||
| config: { | ||
| dht: { | ||
| enabled: false | ||
| } | ||
| } | ||
| }) | ||
|
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| libp2p = await create(customOptions) | ||
| expect(libp2p._dht._dht.isStarted).to.equal(false) | ||
|
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| await libp2p.start() | ||
| expect(libp2p._dht._dht.isStarted).to.equal(false) | ||
| }) | ||
|
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| it('should allow a manual start', async () => { | ||
| const [peerInfo] = await peerUtils.createPeerInfoFromFixture(1) | ||
| peerInfo.multiaddrs.add(listenAddr) | ||
|
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| const customOptions = mergeOptions(subsystemOptions, { | ||
| peerInfo, | ||
| config: { | ||
| dht: { | ||
| enabled: false | ||
| } | ||
| } | ||
| }) | ||
|
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| libp2p = await create(customOptions) | ||
| await libp2p.start() | ||
| expect(libp2p._dht._dht.isStarted).to.equal(false) | ||
|
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| await libp2p._dht.start() | ||
| expect(libp2p._dht._dht.isStarted).to.equal(true) | ||
| }) | ||
| }) |
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