unfollowing or blocking causes gc
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parent
704f747421
commit
3569a9c2ac
53
lib/index.js
53
lib/index.js
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@ -1,3 +1,5 @@
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const makeDebug = require('debug')
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/**
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* @typedef {ReturnType<import('ppppp-db').init>} PPPPPDB
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* @typedef {ReturnType<import('ppppp-goals').init>} PPPPPGoal
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@ -81,6 +83,8 @@ function initConductor(peer, config) {
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assertGCPlugin(peer)
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assertSyncPlugin(peer)
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const debug = makeDebug('ppppp:conductor')
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/**
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* Set replication goals for various tangles of an account:
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* - Account tangle
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@ -111,6 +115,38 @@ function initConductor(peer, config) {
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const feedID = peer.db.feed.getID(accountID, domain)
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peer.goals.set(feedID, goalDSL)
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}
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// prettier-ignore
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debug('Setup goals for %s@all, %s@set, %s@set, %s', accountID, followDomain, blockDomain, rules.join(', '))
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}
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/**
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* @param {string} accountID
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* @param {Array<string>} rules
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*/
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function teardownAccountGoals(accountID, rules) {
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assertDBPlugin(peer)
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assertSetPlugin(peer)
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assertGoalsPlugin(peer)
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peer.goals.set(accountID, 'none')
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const followDomain = peer.set.getDomain('follow')
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const followFeedID = peer.db.feed.getID(accountID, followDomain)
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peer.goals.set(followFeedID, 'none')
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const blockDomain = peer.set.getDomain('block')
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const blockFeedID = peer.db.feed.getID(accountID, blockDomain)
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peer.goals.set(blockFeedID, 'none')
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for (const rule of rules) {
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const [domain] = parseRule(rule)
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const feedID = peer.db.feed.getID(accountID, domain)
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peer.goals.set(feedID, 'none')
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}
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// prettier-ignore
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debug('Teardown goals for %s@all, %s@set, %s@set, %s', accountID, followDomain, blockDomain, rules.join(', '))
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}
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/**
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@ -135,14 +171,25 @@ function initConductor(peer, config) {
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setupAccountGoals(myID, myRules)
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// TODO: watch the set for live updates, on add, setupAccountGoals()
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// TODO: watch the set for live updates, on remove, teardownAccountGoals()
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const followedAccounts = peer.set.values('follow')
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for (const theirID of followedAccounts) {
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setupAccountGoals(theirID, theirRules)
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}
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// @ts-ignore
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peer.set.watch(({ event, subdomain, value }) => {
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const theirID = value
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if (subdomain === 'follow' && event === 'add') {
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setupAccountGoals(theirID, theirRules)
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}
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if (subdomain === 'follow' && event === 'del') {
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teardownAccountGoals(theirID, theirRules)
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}
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if (subdomain === 'block' && event === 'add') {
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teardownAccountGoals(theirID, theirRules)
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}
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})
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peer.gc.stop()
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peer.gc.stop() // TODO: This should happen automatically in gc.start()
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peer.gc.start(maxBytes)
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peer.sync.start()
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}
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@ -176,3 +176,177 @@ test('GC selected feeds of followed accounts', async (t) => {
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await p(bob.close)(true)
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await p(carol.close)(true)
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})
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test('GC recently-unfollowed accounts', async (t) => {
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// Alice
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const alice = createPeer({ name: 'alice' })
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await alice.db.loaded()
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// Alice creates her own account
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const aliceID = await p(alice.db.account.create)({
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subdomain: 'account',
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_nonce: 'alice',
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})
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await p(alice.set.load)(aliceID)
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// Alice creates a feed of posts
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for (let i = 0; i < 5; i++) {
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await p(alice.db.feed.publish)({
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account: aliceID,
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domain: 'post',
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data: { text: 'A' + i },
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})
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}
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// Bob
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const bob = createPeer({ name: 'bob' })
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await bob.db.loaded()
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// Bob creates his own account
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const bobID = await p(bob.db.account.create)({
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subdomain: 'account',
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_nonce: 'bob',
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})
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await p(bob.set.load)(bobID)
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// Bob creates a feed of posts
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for (let i = 0; i < 5; i++) {
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await p(bob.db.feed.publish)({
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account: bobID,
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domain: 'post',
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data: { text: 'B' + i },
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})
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}
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// Carol
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const carol = createPeer({ name: 'carol' })
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await carol.db.loaded()
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// Carol creates her own account
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const carolID = await p(carol.db.account.create)({
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subdomain: 'account',
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_nonce: 'carol',
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})
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await p(carol.set.load)(bobID)
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// Carol creates a feed of posts
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for (let i = 0; i < 5; i++) {
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await p(carol.db.feed.publish)({
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account: carolID,
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domain: 'post',
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data: { text: 'C' + i },
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})
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}
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// Alice follows Bob, but not Carol
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assert(await p(alice.set.add)('follow', bobID), 'alice follows bob')
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alice.conductor.start(aliceID, [['post@all'], ['post@all']], 4_000)
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bob.conductor.start(bobID, [['post@all'], ['post@all']], 4_000)
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const aliceDialingBob = await p(alice.connect)(bob.getAddress())
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const aliceDialingCarol = await p(alice.connect)(carol.getAddress())
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await p(setTimeout)(2000)
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assert.deepEqual(
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getTexts([...alice.db.msgs()]),
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['A0', 'A1', 'A2', 'A3', 'A4', /* */ 'B0', 'B1', 'B2', 'B3', 'B4'],
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'alice has alice and bob posts'
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)
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assert(await p(alice.set.del)('follow', bobID), 'alice unfollows bob')
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await p(setTimeout)(1000)
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assert.deepEqual(
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getTexts([...alice.db.msgs()]),
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['A0', 'A1', 'A2', 'A3', 'A4'],
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'alice has alice posts'
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)
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await p(aliceDialingBob.close)(true)
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await p(aliceDialingCarol.close)(true)
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await p(alice.close)(true)
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await p(bob.close)(true)
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await p(carol.close)(true)
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})
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test('GC recently-blocked accounts', async (t) => {
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// Alice
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const alice = createPeer({ name: 'alice' })
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await alice.db.loaded()
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// Alice creates her own account
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const aliceID = await p(alice.db.account.create)({
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subdomain: 'account',
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_nonce: 'alice',
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})
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await p(alice.set.load)(aliceID)
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// Alice creates a feed of posts
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for (let i = 0; i < 5; i++) {
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await p(alice.db.feed.publish)({
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account: aliceID,
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domain: 'post',
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data: { text: 'A' + i },
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})
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}
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// Bob
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const bob = createPeer({ name: 'bob' })
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await bob.db.loaded()
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// Bob creates his own account
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const bobID = await p(bob.db.account.create)({
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subdomain: 'account',
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_nonce: 'bob',
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})
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await p(bob.set.load)(bobID)
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// Bob creates a feed of posts
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for (let i = 0; i < 5; i++) {
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await p(bob.db.feed.publish)({
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account: bobID,
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domain: 'post',
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data: { text: 'B' + i },
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})
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}
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// Carol
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const carol = createPeer({ name: 'carol' })
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await carol.db.loaded()
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// Carol creates her own account
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const carolID = await p(carol.db.account.create)({
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subdomain: 'account',
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_nonce: 'carol',
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})
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await p(carol.set.load)(bobID)
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// Carol creates a feed of posts
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for (let i = 0; i < 5; i++) {
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await p(carol.db.feed.publish)({
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account: carolID,
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domain: 'post',
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data: { text: 'C' + i },
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})
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}
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// Alice follows Bob, but not Carol
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assert(await p(alice.set.add)('follow', bobID), 'alice follows bob')
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alice.conductor.start(aliceID, [['post@all'], ['post@all']], 4_000)
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bob.conductor.start(bobID, [['post@all'], ['post@all']], 4_000)
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const aliceDialingBob = await p(alice.connect)(bob.getAddress())
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const aliceDialingCarol = await p(alice.connect)(carol.getAddress())
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await p(setTimeout)(2000)
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assert.deepEqual(
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getTexts([...alice.db.msgs()]),
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['A0', 'A1', 'A2', 'A3', 'A4', /* */ 'B0', 'B1', 'B2', 'B3', 'B4'],
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'alice has alice and bob posts'
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)
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assert(await p(alice.set.add)('block', bobID), 'alice blocks bob')
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await p(setTimeout)(1000)
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assert.deepEqual(
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getTexts([...alice.db.msgs()]),
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['A0', 'A1', 'A2', 'A3', 'A4'],
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'alice has alice posts'
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)
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await p(aliceDialingBob.close)(true)
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await p(aliceDialingCarol.close)(true)
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await p(alice.close)(true)
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await p(bob.close)(true)
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await p(carol.close)(true)
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})
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