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 level = require('level-browserify')
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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('a364c55f9993e0bc63f7155d5eb661ae9ad769d9', '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.createActor(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()
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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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('9e8d5671e2c7d167e03784e5d9ec36e15747ad95', '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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      this.actor.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.createActor(testVMContainerB.typeId, new Message())
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  await hypervisor.createActor(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot()
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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('840607eafe779858648d3311039f986e68f4752e', '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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      this.actor.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.createActor(testVMContainerB.typeId, new Message())
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  await hypervisor.createActor(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  await hypervisor.createActor(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot()
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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('840607eafe779858648d3311039f986e68f4752e', '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.actor.incrementTicks(ticks)
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      ticks++
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      message = new Message()
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      this.actor.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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    }
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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.createActor(testVMContainerB.typeId, new Message())
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  await hypervisor.createActor(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  await hypervisor.createActor(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot()
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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('9e8d5671e2c7d167e03784e5d9ec36e15747ad95', '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.actor.mintCap()
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      this.actor.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.createActor(testVMContainerB.typeId, new Message())
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  await hypervisor.createActor(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot()
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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('9e8d5671e2c7d167e03784e5d9ec36e15747ad95', '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.actor.mintCap()
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      this.actor.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.createActor(testVMContainerB.typeId, new Message())
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  await hypervisor.createActor(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot()
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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('b19c67aea0ff97e96df6e2aacbd45b1bd260af30', '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.actor.mintCap()
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      message.caps.push(cap)
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      return this.actor.createActor(testVMContainerB.typeId, message)
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    }
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    onMessage (m) {
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      t.equals(m.data, 'test', '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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      this.actor.send(cap, new Message({data: 'test'}))
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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.createActor(testVMContainerA.typeId, new Message())
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  const stateRoot = await hypervisor.createStateRoot()
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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('9e8d5671e2c7d167e03784e5d9ec36e15747ad95', '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.actor.send(m.caps[0], message1)
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      this.actor.incrementTicks(1)
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      this.actor.send(m.caps[0], message2)
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      this.actor.incrementTicks(1)
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      this.actor.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.createActor(testVMContainerB.typeId, new Message())
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  await hypervisor.createActor(testVMContainerA.typeId, new Message({
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    caps: [capB]
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  }))
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  const stateRoot = await hypervisor.createStateRoot()
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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('840607eafe779858648d3311039f986e68f4752e', '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.actor.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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    }
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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.createActor(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.createActor(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.createActor(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()
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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('d4291da4536544bf90aa473a1148cb29f913d078', '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.actor.mintCap(1)
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      const message = new Message()
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      message.responseCap = rCap
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      this.actor.send(m.caps[0], message)
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      const rMessage = await this.actor.inbox.nextTaggedMessage([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.createActor(testVMContainerA.typeId, new Message())
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  let capB = await hypervisor.createActor(testVMContainerB.typeId, new Message())
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  hypervisor.send(capA, new Message({caps: [capB]}))
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  const stateRoot = await hypervisor.createStateRoot()
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
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})
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tape('return while waiting for tag', async t => {
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  t.plan(4)
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  const expectedState = {
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    '/': Buffer.from('d4291da4536544bf90aa473a1148cb29f913d078', '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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      if (m.tag === 1) {
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        t.true(m, 'should recive second message')
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      } else {
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        t.true(m, 'should recive first message')
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        const rCap = this.actor.mintCap(1)
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        const message = new Message()
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        message.responseCap = rCap
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        this.actor.send(m.caps[0], message)
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        this.actor.inbox.nextTaggedMessage([1], 44)
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      }
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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.createActor(testVMContainerA.typeId, new Message())
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  let capB = await hypervisor.createActor(testVMContainerB.typeId, new Message())
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  hypervisor.send(capA, new Message({caps: [capB]}))
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  const stateRoot = await hypervisor.createStateRoot()
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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('d4291da4536544bf90aa473a1148cb29f913d078', '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.actor.mintCap(1)
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      const message = new Message({data: 'first'})
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      message.responseCap = rCap
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      this.actor.send(m.caps[0], message)
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      const promise = this.actor.inbox.nextTaggedMessage([1], 44)
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      try {
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        await this.actor.inbox.nextTaggedMessage([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.createActor(testVMContainerA.typeId, new Message())
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  let capB = await hypervisor.createActor(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()
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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('b5c0822ccb21bbaa2ad8069c4dcd18add7d6e2d1', '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 {
598
    async onMessage (m) {
599
      t.true(m, 'should recive first message')
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      if (m.caps.length) {
601
        const cap1 = this.actor.mintCap(1)
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        const cap2 = this.actor.mintCap(2)
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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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        message1.caps.push(cap1)
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        message2.caps.push(cap2)
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        this.actor.send(m.caps[0], message1)
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        this.actor.send(m.caps[1], message2)
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        const rMessage = await this.actor.inbox.nextTaggedMessage([1, 2], 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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  }
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  class testVMContainerB extends BaseContainer {
620
    onMessage (m) {
621
      t.true(m, 'should recive a message')
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      const cap = m.caps[0]
623
      this.actor.incrementTicks(1)
624
      this.actor.send(cap, new Message({data: m.data}))
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    }
626
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    static get typeId () {
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      return 8
629
    }
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  }
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  const hypervisor = new Hypervisor(tree)
633
  hypervisor.registerContainer(testVMContainerA)
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  hypervisor.registerContainer(testVMContainerB)
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  let capA = await hypervisor.createActor(testVMContainerA.typeId, new Message())
637
  let capB1 = await hypervisor.createActor(testVMContainerB.typeId, new Message())
638
  let capB2 = await hypervisor.createActor(testVMContainerB.typeId, new Message())
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  hypervisor.send(capA, new Message({caps: [capB1, capB2]}))
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  const stateRoot = await hypervisor.createStateRoot()
643
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  t.deepEquals(stateRoot, expectedState, 'expected root!')
645
})
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tape('multple messages to backup 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('b5c0822ccb21bbaa2ad8069c4dcd18add7d6e2d1', 'hex')
651
  }
652
653
  const tree = new RadixTree({
654
    db: db
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  })
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  class testVMContainerA extends BaseContainer {
658
    async onMessage (m) {
659
      t.true(m, 'should recive first message')
660
      if (m.caps.length) {
661
        const cap1 = this.actor.mintCap(1)
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        const cap2 = this.actor.mintCap(2)
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        const message1 = new Message({
664
          data: 'first'
665
        })
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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)
671
        this.actor.send(m.caps[0], message1)
672
        this.actor.send(m.caps[1], message2)
673
        const rMessage = await this.actor.inbox.nextTaggedMessage([1, 2], 44)
674
        t.true(rMessage, 'should recive a response message')
675
      }
676
    }
677
  }
678
679
  class testVMContainerB extends BaseContainer {
680
    async onMessage (m) {
681
      t.true(m, 'should recive a message')
682
      const cap = m.caps[0]
683
      this.actor.incrementTicks(1)
684
      this.actor.send(cap, new Message({data: m.data}))
685
    }
686
687
    static get typeId () {
688
      return 8
689
    }
690
  }
691
692
  const hypervisor = new Hypervisor(tree)
693
  hypervisor.registerContainer(testVMContainerA)
694
  hypervisor.registerContainer(testVMContainerB)
695
696
  let capA = await hypervisor.createActor(testVMContainerA.typeId, new Message())
697
  let capB1 = await hypervisor.createActor(testVMContainerB.typeId, new Message())
698
  let capB2 = await hypervisor.createActor(testVMContainerB.typeId, new Message())
699
700
  hypervisor.send(capA, new Message({caps: [capB1, capB2]}))
701
702
  const stateRoot = await hypervisor.createStateRoot()
703
  t.deepEquals(stateRoot, expectedState, 'expected root!')
704
})
705
706
tape('multple messages, but single tag', async t => {
707
  t.plan(6)
708
  const expectedState = {
709
    '/': Buffer.from('b5c0822ccb21bbaa2ad8069c4dcd18add7d6e2d1', 'hex')
710
  }
711
712
  const tree = new RadixTree({
713
    db: db
714
  })
715
716
  class testVMContainerA extends BaseContainer {
717
    async onMessage (m) {
718
      t.true(m, 'should recive first message')
719
      if (m.caps.length) {
720
        const cap1 = this.actor.mintCap(1)
721
        const cap2 = this.actor.mintCap(2)
722
        const message1 = new Message({
723
          data: 'first'
724
        })
725
        const message2 = new Message({
726
          data: 'second'
727
        })
728
        message1.caps.push(cap1)
729
        message2.caps.push(cap2)
730
        await this.actor.send(m.caps[0], message1)
731
        await this.actor.send(m.caps[1], message2)
732
        const rMessage = await this.actor.inbox.nextTaggedMessage([2], 44)
733
        t.true(rMessage, 'should recive a response message')
734
      }
735
    }
736
  }
737
738
  class testVMContainerB extends BaseContainer {
739
    async onMessage (m) {
740
      t.true(m, 'should recive a message')
741
      const cap = m.caps[0]
742
      this.actor.incrementTicks(1)
743
      this.actor.send(cap, new Message({data: m.data}))
744
    }
745
746
    static get typeId () {
747
      return 8
748
    }
749
  }
750
751
  const hypervisor = new Hypervisor(tree)
752
  hypervisor.registerContainer(testVMContainerA)
753
  hypervisor.registerContainer(testVMContainerB)
754
755
  let capA = await hypervisor.createActor(testVMContainerA.typeId, new Message())
756
  let capB1 = await hypervisor.createActor(testVMContainerB.typeId, new Message())
757
  let capB2 = await hypervisor.createActor(testVMContainerB.typeId, new Message())
758
759
  hypervisor.send(capA, new Message({caps: [capB1, capB2]}))
760
761
  const stateRoot = await hypervisor.createStateRoot()
762
  t.deepEquals(stateRoot, expectedState, 'expected root!')
763
})
764
765
tape('deadlock test', async t => {
766
  t.plan(7)
767
  const expectedState = {
768
    '/': Buffer.from('f290945ad63dd06b9ada924fa5149df4a0a32f53', 'hex')
769
  }
770
771
  const tree = new RadixTree({
772
    db: db
773
  })
774
775
  class testVMContainerA extends BaseContainer {
776
    async onMessage (m) {
777
      t.true(m, 'should recive first message 1')
778
      const rMessage = await this.actor.inbox.nextTaggedMessage([1], 50)
779
      t.equals(rMessage, undefined, 'should recive a response message 1')
780
    }
781
  }
782
783
  class testVMContainerB extends BaseContainer {
784
    async onMessage (m) {
785
      t.true(m, 'should recive first message 2')
786
      this.actor.incrementTicks(47)
787
      const rMessage = await this.actor.inbox.nextTaggedMessage([1], 1)
788
      t.equals(rMessage, undefined, 'should recive a response message 2')
789
    }
790
791
    static get typeId () {
792
      return 8
793
    }
794
  }
795
796
  class testVMContainerC extends BaseContainer {
797
    async onMessage (m) {
798
      t.true(m, 'should recive first message 3')
799
      this.actor.incrementTicks(45)
800
      const rMessage = await this.actor.inbox.nextTaggedMessage([1], 1)
801
      t.equals(rMessage, undefined, 'should recive a response message 3')
802
    }
803
804
    static get typeId () {
805
      return 7
806
    }
807
  }
808
809
  const hypervisor = new Hypervisor(tree)
810
  hypervisor.registerContainer(testVMContainerA)
811
  hypervisor.registerContainer(testVMContainerB)
812
  hypervisor.registerContainer(testVMContainerC)
813
814
  let capA = await hypervisor.createActor(testVMContainerA.typeId, new Message())
815
  let capB = await hypervisor.createActor(testVMContainerB.typeId, new Message())
816
  let capC = await hypervisor.createActor(testVMContainerC.typeId, new Message())
817
818
  hypervisor.send(capA, new Message())
819
  hypervisor.send(capB, new Message())
820
  hypervisor.send(capC, new Message())
821
822
  const stateRoot = await hypervisor.createStateRoot()
823
  t.deepEquals(stateRoot, expectedState, 'expected root!')
824
})
825