git ssb

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const tape = require('tape')
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const AbstractContainer = require('primea-abstract-container')
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const Message = require('primea-message')
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const Hypervisor = require('../')
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const CapsManager = require('../capsManager.js')
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const level = require('level')
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const RadixTree = require('dfinity-radix-tree')
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const db = level('./testdb')
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class BaseContainer extends AbstractContainer {
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  onCreation () {}
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  static get typeId () {
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    return 9
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  }
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}
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tape('basic', async t => {
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  t.plan(2)
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  let message
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  const expectedState = {
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    '/': Buffer.from('70a9676b7995b108057bd29955e3874401aa5ba7', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainer extends BaseContainer {
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    onMessage (m, tag) {
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      t.true(m === message, 'should recive a message')
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainer)
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  let rootCap = await hypervisor.createInstance(testVMContainer.typeId, new Message())
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  message = new Message()
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  hypervisor.send(rootCap, message)
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('caps manager', async t => {
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  const capsManager = new CapsManager({})
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  const cap = {}
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  capsManager.store('test', cap)
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  const c = capsManager.get('test')
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  t.equals(cap, c)
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  capsManager.delete('test')
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  const empty = capsManager.get('test')
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  t.equals(empty, undefined)
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  t.end()
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})
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tape('two communicating actors', async t => {
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  t.plan(2)
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  let message
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  const expectedState = {
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    '/': Buffer.from('fc935489953ed357f06171dd23439d83190b3a1b', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    onCreation (m) {
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      message = new Message()
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      return this.kernel.send(m.caps[0], message)
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    }
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  }
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      t.true(m === message, 'should recive a message')
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('three communicating actors', async t => {
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  t.plan(3)
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  let message
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  const expectedState = {
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    '/': Buffer.from('24855a8efa9af536f0f9b319c05b10d6b7cae6c8', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    onCreation (m) {
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      message = new Message()
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      return this.kernel.send(m.caps[0], message)
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    }
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  }
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      t.true(m === message, 'should recive a message')
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('three communicating actors, with tick counting', async t => {
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  t.plan(3)
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  let message
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  const expectedState = {
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    '/': Buffer.from('24855a8efa9af536f0f9b319c05b10d6b7cae6c8', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  let ticks = 1
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  class testVMContainerA extends BaseContainer {
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    async onCreation (m) {
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      this.kernel.incrementTicks(ticks)
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      ticks++
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      message = new Message()
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      await this.kernel.send(m.caps[0], message)
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    }
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  }
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      t.true(m, 'should recive a message')
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      return new Promise((resolve, reject) => {
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        setTimeout(resolve, 200)
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      })
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('response caps', async t => {
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  t.plan(3)
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  let message
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  const expectedState = {
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    '/': Buffer.from('fc935489953ed357f06171dd23439d83190b3a1b', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    onCreation (m) {
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      message = new Message()
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      message.responseCap = this.kernel.mintCap()
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      return this.kernel.send(m.caps[0], message)
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    }
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    onMessage (m) {
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      t.true(m, 'should recive a response message')
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    }
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  }
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      t.true(m === message, 'should recive a message')
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('response caps for errors', async t => {
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  t.plan(3)
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  let message
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  const expectedState = {
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    '/': Buffer.from('fc935489953ed357f06171dd23439d83190b3a1b', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    onCreation (m) {
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      message = new Message()
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      message.responseCap = this.kernel.mintCap()
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      return this.kernel.send(m.caps[0], message)
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    }
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    onMessage (m) {
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      t.true(m.data.exceptionError instanceof Error, 'should recive a response message')
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    }
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  }
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      t.true(m === message, 'should recive a message')
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      throw new Error('test error')
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('actor creation', async t => {
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  t.plan(2)
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  let message
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  const expectedState = {
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    '/': Buffer.from('8e809b10d473ef4592dc5c1683e89bc7001e5e3e', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    onCreation (m) {
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      message = new Message()
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      const cap = this.kernel.mintCap()
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      message.caps.push(cap)
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      return this.kernel.createInstance(testVMContainerB.typeId, message)
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    }
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    onMessage (m) {
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      t.true(m, 'should recive a response message')
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    }
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  }
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  class testVMContainerB extends BaseContainer {
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    onCreation (m) {
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      const cap = m.caps[0]
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      return this.kernel.send(cap, new Message())
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message())
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('simple message arbiter test', async t => {
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  t.plan(4)
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  const expectedState = {
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    '/': Buffer.from('fc935489953ed357f06171dd23439d83190b3a1b', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    onCreation (m) {
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      const message1 = new Message({
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        data: 'first'
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      })
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      const message2 = new Message({
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        data: 'second'
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      })
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      const message3 = new Message({
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        data: 'third'
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      })
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      this.kernel.send(m.caps[0], message1)
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      this.kernel.incrementTicks(1)
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      this.kernel.send(m.caps[0], message2)
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      this.kernel.incrementTicks(1)
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      return this.kernel.send(m.caps[0], message3)
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    }
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  }
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  let recMsg = 0
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      if (recMsg === 0) {
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        t.equal(m.data, 'first', 'should recive fist message')
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      } else if (recMsg === 1) {
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        t.equal(m.data, 'second', 'should recive second message')
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      } else {
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        t.equal(m.data, 'third', 'should recive third message')
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      }
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      recMsg++
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('arbiter test for id comparision', async t => {
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  t.plan(4)
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  let message
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  const expectedState = {
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    '/': Buffer.from('0866fe6a6adaf28c51ce99ddfddd49c492e9ce48', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    onCreation (m) {
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      message = new Message({
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        data: m.data
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      })
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      this.kernel.send(m.caps[0], message)
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    }
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  }
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  let recMsg = 0
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      if (recMsg === 0) {
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        t.equal(m.data, 'first', 'should recive fist message')
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      } else if (recMsg === 1) {
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        t.equal(m.data, 'second', 'should recive second message')
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      } else {
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        t.equal(m.data, 'third', 'should recive third message')
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      }
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      recMsg++
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      return new Promise((resolve, reject) => {
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        setTimeout(resolve, 200)
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      })
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  hypervisor.send(capB, new Message({
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    data: 'first'
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  }))
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB],
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    data: 'second'
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  }))
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  await hypervisor.createInstance(testVMContainerA.typeId, new Message({
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    caps: [capB],
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    data: 'third'
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  }))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('basic tagged caps', async t => {
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  t.plan(4)
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  const expectedState = {
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    '/': Buffer.from('ef403643f292108fe9edc1700d80a7bf2402e7a0', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    async onMessage (m) {
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      t.true(m, 'should recive first message')
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      const rCap = this.kernel.mintCap(1)
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      const message = new Message()
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      message.responseCap = rCap
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      await this.kernel.send(m.caps[0], message)
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      const rMessage = await this.kernel.inbox.waitOnTag([1], 44)
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      t.true(rMessage, 'should recive a response message')
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    }
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  }
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      t.true(m, 'should recive a message')
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capA = await hypervisor.createInstance(testVMContainerA.typeId, new Message())
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  await hypervisor.send(capA, new Message({caps: [capB]}))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('trying to listen for caps more then once', async t => {
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  t.plan(4)
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  const expectedState = {
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    '/': Buffer.from('ef403643f292108fe9edc1700d80a7bf2402e7a0', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
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    async onMessage (m) {
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      t.true(m, 'should recive first message')
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      const rCap = this.kernel.mintCap(1)
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      const message = new Message({data: 'first'})
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      message.responseCap = rCap
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      await this.kernel.send(m.caps[0], message)
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      const promise = this.kernel.inbox.waitOnTag([1], 44)
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      try {
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        await this.kernel.inbox.waitOnTag([1], 44)
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      } catch (e) {
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        t.true(e, 'should error if waiting twice')
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      }
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      return promise
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    }
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  }
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  class testVMContainerB extends BaseContainer {
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    onMessage (m) {
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      t.true(m, 'should recive a message')
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    }
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    static get typeId () {
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      return 8
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    }
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  }
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  const hypervisor = new Hypervisor(tree)
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  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capA = await hypervisor.createInstance(testVMContainerA.typeId, new Message())
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  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  await hypervisor.send(capA, new Message({caps: [capB]}))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('multple messages to restore on waiting for tags', async t => {
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  t.plan(6)
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  const expectedState = {
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    '/': Buffer.from('c2bbd78ee38ecf417f857451bdb06cdba1345b22', 'hex')
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  }
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  const tree = new RadixTree({
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    db: db
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  })
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  class testVMContainerA extends BaseContainer {
577
    async onMessage (m) {
578
      t.true(m, 'should recive first message')
579
      if (m.caps.length) {
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        const cap1 = this.kernel.mintCap(1)
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        const cap2 = this.kernel.mintCap(2)
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        const message1 = new Message({
583
          data: 'first'
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        })
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        const message2 = new Message({
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          data: 'second'
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        })
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        message1.caps.push(cap1)
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        message2.caps.push(cap2)
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        await Promise.all([
591
          this.kernel.send(m.caps[0], message1),
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          this.kernel.send(m.caps[1], message2)
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        ])
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        const rMessage = await this.kernel.inbox.waitOnTag([1, 2], 44)
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        t.true(rMessage, 'should recive a response message')
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      }
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    }
598
  }
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  class testVMContainerB extends BaseContainer {
601
    async onMessage (m) {
602
      t.true(m, 'should recive a message')
603
      const cap = m.caps[0]
604
      this.kernel.incrementTicks(1)
605
      await this.kernel.send(cap, new Message({data: m.data}))
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      return new Promise((resolve, reject) => {
608
        setTimeout(resolve, 200)
609
      })
610
    }
611
612
    static get typeId () {
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      return 8
614
    }
615
  }
616
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  const hypervisor = new Hypervisor(tree)
618
  hypervisor.registerContainer(testVMContainerA)
619
  hypervisor.registerContainer(testVMContainerB)
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  let capA = await hypervisor.createInstance(testVMContainerA.typeId, new Message())
622
  let capB1 = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
623
  let capB2 = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
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  await hypervisor.send(capA, new Message({caps: [capB1, capB2]}))
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  const stateRoot = await hypervisor.createStateRoot(Infinity)
628
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
630
})
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tape('multple messages to backup on waiting for tags', async t => {
633
  t.plan(6)
634
  const expectedState = {
635
    '/': Buffer.from('c2bbd78ee38ecf417f857451bdb06cdba1345b22', 'hex')
636
  }
637
638
  const tree = new RadixTree({
639
    db: db
640
  })
641
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  class testVMContainerA extends BaseContainer {
643
    async onMessage (m) {
644
      t.true(m, 'should recive first message')
645
      if (m.caps.length) {
646
        const cap1 = this.kernel.mintCap(1)
647
        const cap2 = this.kernel.mintCap(2)
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        const message1 = new Message({
649
          data: 'first'
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        })
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        const message2 = new Message({
652
          data: 'second'
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        })
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        message1.caps.push(cap1)
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        message2.caps.push(cap2)
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        await this.kernel.send(m.caps[0], message1)
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        await this.kernel.send(m.caps[1], message2)
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        const rMessage = await this.kernel.inbox.waitOnTag([1, 2], 44)
659
        t.true(rMessage, 'should recive a response message')
660
      }
661
    }
662
  }
663
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  class testVMContainerB extends BaseContainer {
665
    async onMessage (m) {
666
      t.true(m, 'should recive a message')
667
      const cap = m.caps[0]
668
      this.kernel.incrementTicks(1)
669
      await this.kernel.send(cap, new Message({data: m.data}))
670
671
      return new Promise((resolve, reject) => {
672
        setTimeout(resolve, 200)
673
      })
674
    }
675
676
    static get typeId () {
677
      return 8
678
    }
679
  }
680
681
  const hypervisor = new Hypervisor(tree)
682
  hypervisor.registerContainer(testVMContainerA)
683
  hypervisor.registerContainer(testVMContainerB)
684
685
  let capA = await hypervisor.createInstance(testVMContainerA.typeId, new Message())
686
  let capB1 = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
687
  let capB2 = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
688
689
  await hypervisor.send(capA, new Message({caps: [capB1, capB2]}))
690
691
  const stateRoot = await hypervisor.createStateRoot(Infinity)
692
693
  t.deepEquals(stateRoot, expectedState, 'expected root!')
694
})
695
696
tape('multple messages, but single tag', async t => {
697
  t.plan(6)
698
  const expectedState = {
699
    '/': Buffer.from('c2bbd78ee38ecf417f857451bdb06cdba1345b22', 'hex')
700
  }
701
702
  const tree = new RadixTree({
703
    db: db
704
  })
705
706
  class testVMContainerA extends BaseContainer {
707
    async onMessage (m) {
708
      t.true(m, 'should recive first message')
709
      if (m.caps.length) {
710
        const cap1 = this.kernel.mintCap(1)
711
        const cap2 = this.kernel.mintCap(2)
712
        const message1 = new Message({
713
          data: 'first'
714
        })
715
        const message2 = new Message({
716
          data: 'second'
717
        })
718
        message1.caps.push(cap1)
719
        message2.caps.push(cap2)
720
        await this.kernel.send(m.caps[0], message1)
721
        await this.kernel.send(m.caps[1], message2)
722
        const rMessage = await this.kernel.inbox.waitOnTag([2], 44)
723
        t.true(rMessage, 'should recive a response message')
724
      }
725
    }
726
  }
727
728
  class testVMContainerB extends BaseContainer {
729
    async onMessage (m) {
730
      t.true(m, 'should recive a message')
731
      const cap = m.caps[0]
732
      this.kernel.incrementTicks(1)
733
      await this.kernel.send(cap, new Message({data: m.data}))
734
735
      return new Promise((resolve, reject) => {
736
        setTimeout(resolve, 200)
737
      })
738
    }
739
740
    static get typeId () {
741
      return 8
742
    }
743
  }
744
745
  const hypervisor = new Hypervisor(tree)
746
  hypervisor.registerContainer(testVMContainerA)
747
  hypervisor.registerContainer(testVMContainerB)
748
749
  let capA = await hypervisor.createInstance(testVMContainerA.typeId, new Message())
750
  let capB1 = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
751
  let capB2 = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
752
753
  await hypervisor.send(capA, new Message({caps: [capB1, capB2]}))
754
755
  const stateRoot = await hypervisor.createStateRoot(Infinity)
756
757
  t.deepEquals(stateRoot, expectedState, 'expected root!')
758
})
759
760
tape('deadlock test', async t => {
761
  t.plan(7)
762
  const expectedState = {
763
    '/': Buffer.from('2e8658dc2f616599b4fa622318b86ad6ed809db0', 'hex')
764
  }
765
766
  const tree = new RadixTree({
767
    db: db
768
  })
769
770
  class testVMContainerA extends BaseContainer {
771
    async onMessage (m) {
772
      t.true(m, 'should recive first message 1')
773
      const rMessage = await this.kernel.inbox.waitOnTag([1], 50)
774
      t.equals(rMessage, undefined, 'should recive a response message 1')
775
    }
776
  }
777
778
  class testVMContainerB extends BaseContainer {
779
    async onMessage (m) {
780
      t.true(m, 'should recive first message 2')
781
      this.kernel.incrementTicks(47)
782
      const rMessage = await this.kernel.inbox.waitOnTag([1], 1)
783
      t.equals(rMessage, undefined, 'should recive a response message 2')
784
    }
785
786
    static get typeId () {
787
      return 8
788
    }
789
  }
790
791
  class testVMContainerC extends BaseContainer {
792
    async onMessage (m) {
793
      t.true(m, 'should recive first message 3')
794
      this.kernel.incrementTicks(45)
795
      const rMessage = await this.kernel.inbox.waitOnTag([1], 1)
796
      t.equals(rMessage, undefined, 'should recive a response message 3')
797
    }
798
799
    static get typeId () {
800
      return 7
801
    }
802
  }
803
804
  const hypervisor = new Hypervisor(tree)
805
  hypervisor.registerContainer(testVMContainerA)
806
  hypervisor.registerContainer(testVMContainerB)
807
  hypervisor.registerContainer(testVMContainerC)
808
809
  let capA = await hypervisor.createInstance(testVMContainerA.typeId, new Message())
810
  let capB = await hypervisor.createInstance(testVMContainerB.typeId, new Message())
811
  let capC = await hypervisor.createInstance(testVMContainerC.typeId, new Message())
812
813
  await Promise.all([
814
    hypervisor.send(capA, new Message()),
815
    hypervisor.send(capB, new Message()),
816
    hypervisor.send(capC, new Message())
817
  ])
818
  const stateRoot = await hypervisor.createStateRoot(Infinity)
819
  t.deepEquals(stateRoot, expectedState, 'expected root!')
820
})
821