Procházet zdrojové kódy

Integration tests new workspace

Leszek Wiesner před 4 roky
rodič
revize
631584bf5b

+ 1 - 1
package.json

@@ -12,7 +12,7 @@
     "cargo-build": "scripts/cargo-build.sh"
   },
   "workspaces": [
-    "tests/network-tests",
+    "tests/integration-tests",
     "cli",
     "types",
     "storage-node",

+ 58 - 0
tests/integration-tests/.env

@@ -0,0 +1,58 @@
+# Address of the Joystream node.
+NODE_URL = ws://127.0.0.1:9944
+# Address of the Joystream query node.
+QUERY_NODE_URL = http://127.0.0.1:8081/graphql
+# Account which is expected to provide sufficient funds to test accounts.
+TREASURY_ACCOUNT_URI = //Alice
+# Sudo Account
+SUDO_ACCOUNT_URI = //Alice
+# Amount of members able to buy membership in membership creation test.
+MEMBERSHIP_CREATION_N = 2
+# ID of the membership paid terms used in membership creation test.
+MEMBERSHIP_PAID_TERMS = 0
+# Council stake amount for first K accounts in council election test.
+COUNCIL_STAKE_GREATER_AMOUNT = 3000
+# Council stake amount for first the rest participants in council election test.
+COUNCIL_STAKE_LESSER_AMOUNT = 2000
+# Number of members with greater stake in council election test.
+COUNCIL_ELECTION_K = 2
+# Balance to spend using spending proposal
+SPENDING_BALANCE = 1000
+# Minting capacity increment for content working group minting capacity test.
+MINTING_CAPACITY_INCREMENT = 20
+# Minting capacity for council mint for spending proposal.
+COUNCIL_MINTING_CAPACITY = 100000
+# Stake amount for Rome runtime upgrade proposal
+RUNTIME_UPGRADE_PROPOSAL_STAKE = 100000
+# Validator count increment for Validator count test.
+VALIDATOR_COUNT_INCREMENT = 2
+# Constantinople runtime path
+RUNTIME_WASM_PATH = ../../target/release/wbuild/joystream-node-runtime/joystream_node_runtime.compact.wasm
+# Working group size N
+WORKING_GROUP_N = 3
+# Working group application stake
+WORKING_GROUP_APPLICATION_STAKE = 10
+# Working group role stake
+WORKING_GROUP_ROLE_STAKE = 10
+# Reward interval for working group tests
+LONG_REWARD_INTERVAL = 99999
+# First reward interval for working group reward test
+SHORT_FIRST_REWARD_INTERVAL = 3
+# Reward interval for working group reward test
+SHORT_REWARD_INTERVAL = 3
+# Payout amount for working group tests
+PAYOUT_AMOUNT = 3
+# Payout amount for leader-related proposals tests
+ALTERED_PAYOUT_AMOUNT = 7
+# Mint capacity for storage working group
+STORAGE_WORKING_GROUP_MINTING_CAPACITY = 100000
+# Default unstaking period for storage working group
+STORAGE_WORKING_GROUP_UNSTAKING_PERIOD = 1
+# Slash value for manage working group lead testing scenario
+SLASH_AMOUNT = 2
+# Stake decrement amount for manage working group lead testing scenario
+STAKE_DECREMENT = 3
+# Mint capacity increment value for working gorup mint capacity test
+MINT_CAPACITY_INCREMENT = 1000
+# Storage node address to download content from
+STORAGE_NODE_URL = http://localhost:3001/asset/v0

+ 12 - 0
tests/integration-tests/.eslintrc.js

@@ -0,0 +1,12 @@
+module.exports = {
+    env: {
+        node: true,
+    },
+  rules: {
+      'no-async-promise-executor': 'off',
+      'no-useless-return': 'off',
+      'new-cap': 'off',
+      // Disabled because of the false positive bug: https://github.com/eslint/eslint/issues/11899
+      'require-atomic-updates': 'off',
+  }
+}

+ 2 - 0
tests/integration-tests/.prettierignore

@@ -0,0 +1,2 @@
+.nyc_output/
+.tmp/

+ 675 - 0
tests/integration-tests/LICENSE

@@ -0,0 +1,675 @@
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+third party based on the extent of your activity of conveying the
+work, and under which the third party grants, to any of the parties
+who would receive the covered work from you, a discriminatory patent
+license (a) in connection with copies of the covered work conveyed by
+you (or copies made from those copies), or (b) primarily for and in
+connection with specific products or compilations that contain the
+covered work, unless you entered into that arrangement, or that patent
+license was granted, prior to 28 March 2007.
+
+Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+#### 12. No Surrender of Others' Freedom.
+
+If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under
+this License and any other pertinent obligations, then as a
+consequence you may not convey it at all. For example, if you agree to
+terms that obligate you to collect a royalty for further conveying
+from those to whom you convey the Program, the only way you could
+satisfy both those terms and this License would be to refrain entirely
+from conveying the Program.
+
+#### 13. Use with the GNU Affero General Public License.
+
+Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work. The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+#### 14. Revised Versions of this License.
+
+The Free Software Foundation may publish revised and/or new versions
+of the GNU General Public License from time to time. Such new versions
+will be similar in spirit to the present version, but may differ in
+detail to address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Program
+specifies that a certain numbered version of the GNU General Public
+License "or any later version" applies to it, you have the option of
+following the terms and conditions either of that numbered version or
+of any later version published by the Free Software Foundation. If the
+Program does not specify a version number of the GNU General Public
+License, you may choose any version ever published by the Free
+Software Foundation.
+
+If the Program specifies that a proxy can decide which future versions
+of the GNU General Public License can be used, that proxy's public
+statement of acceptance of a version permanently authorizes you to
+choose that version for the Program.
+
+Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+#### 15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
+WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
+PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
+DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
+CORRECTION.
+
+#### 16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
+CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
+ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
+NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
+LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
+TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
+PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+#### 17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+### How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+To do so, attach the following notices to the program. It is safest to
+attach them to the start of each source file to most effectively state
+the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+        <one line to give the program's name and a brief idea of what it does.>
+        Copyright (C) <year>  <name of author>
+
+        This program is free software: you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation, either version 3 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper
+mail.
+
+If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+        <program>  Copyright (C) <year>  <name of author>
+        This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+        This is free software, and you are welcome to redistribute it
+        under certain conditions; type `show c' for details.
+
+The hypothetical commands \`show w' and \`show c' should show the
+appropriate parts of the General Public License. Of course, your
+program's commands might be different; for a GUI interface, you would
+use an "about box".
+
+You should also get your employer (if you work as a programmer) or
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. For more information on this, and how to apply and follow
+the GNU GPL, see <https://www.gnu.org/licenses/>.
+
+The GNU General Public License does not permit incorporating your
+program into proprietary programs. If your program is a subroutine
+library, you may consider it more useful to permit linking proprietary
+applications with the library. If this is what you want to do, use the
+GNU Lesser General Public License instead of this License. But first,
+please read <https://www.gnu.org/licenses/why-not-lgpl.html>.

+ 9 - 0
tests/integration-tests/assets/TestChannel.json

@@ -0,0 +1,9 @@
+{
+  "handle": "Storage node channel",
+  "description": "Storage node channel",
+  "language": { "existing": { "code": "EN" } },
+  "coverPhotoUrl": "",
+  "avatarPhotoUrl": "",
+  "isPublic": true,
+  "isCensored": false
+}

+ 22 - 0
tests/integration-tests/assets/TestVideo.json

@@ -0,0 +1,22 @@
+{
+  "title": "Storage node test",
+  "description": "Storage node test",
+  "thumbnailUrl": "",
+  "isPublic": true,
+  "isExplicit": true,
+  "hasMarketing": true,
+  "language": { "existing": { "code": "EN" } },
+  "category": { "existing": { "name": "Entertainment" } },
+  "license": {
+    "new": {
+      "knownLicense": {
+        "existing": { "code": "CC_BY" }
+      }
+    }
+  },
+  "media": {
+    "new": {
+      "encoding": { "existing": { "name": "H.264_MP4" } }
+    }
+  }
+}

binární
tests/integration-tests/assets/joystream.MOV


+ 41 - 0
tests/integration-tests/package.json

@@ -0,0 +1,41 @@
+{
+  "name": "network-tests",
+  "version": "0.1.0",
+  "license": "GPL-3.0-only",
+  "scripts": {
+    "build": "tsc --noEmit",
+    "test": "./run-tests.sh",
+    "run-test-scenario": "./run-test-scenario.sh",
+    "node-ts-strict": "node -r ts-node/register --unhandled-rejections=strict",
+    "lint": "eslint . --quiet --ext .ts",
+    "checks": "tsc --noEmit --pretty && prettier ./ --check && yarn lint",
+    "format": "prettier ./ --write "
+  },
+  "dependencies": {
+    "@apollo/client": "^3.2.5",
+    "@joystream/types": "^0.15.0",
+    "@polkadot/api": "^2.4.1",
+    "@polkadot/keyring": "^3.6.1",
+    "@types/async-lock": "^1.1.2",
+    "@types/bn.js": "^4.11.5",
+    "@types/lowdb": "^1.0.9",
+    "async-lock": "^1.2.0",
+    "bn.js": "^4.11.8",
+    "cross-fetch": "^3.0.6",
+    "dotenv": "^8.2.0",
+    "fs": "^0.0.1-security",
+    "uuid": "^7.0.3"
+  },
+  "devDependencies": {
+    "@polkadot/ts": "^0.3.14",
+    "@types/chai": "^4.2.11",
+    "@types/uuid": "^7.0.2",
+    "chai": "^4.2.0",
+    "prettier": "2.0.2",
+    "ts-node": "^8.8.1",
+    "typescript": "^3.8.3"
+  },
+  "volta": {
+    "extends": "../../package.json"
+  }
+}

+ 52 - 0
tests/integration-tests/run-storage-node-tests.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+set -e
+
+SCRIPT_PATH="$(dirname "${BASH_SOURCE[0]}")"
+cd $SCRIPT_PATH
+
+set -a
+. ../../.env
+set +a
+
+function cleanup() {
+    # Show tail end of logs for the processor and indexer containers to
+    # see any possible errors
+    (echo "## Processor Logs ##" && docker logs joystream_processor_1 --tail 50) || :
+    (echo "## Indexer Logs ##" && docker logs joystream_indexer_1 --tail 50) || :
+    docker-compose down -v
+}
+
+trap cleanup EXIT
+
+# clean start
+docker-compose down -v
+
+docker-compose up -d joystream-node
+
+# Storage node
+DEBUG=joystream:storage-cli:dev yarn storage-cli dev-init
+docker-compose up -d colossus
+
+# Query node is expected to have been already built
+docker-compose up -d db
+yarn workspace query-node-root db:migrate
+docker-compose up -d graphql-server
+# Starting up processor will bring up all services it depends on
+docker-compose up -d processor
+
+yarn workspace @joystream/cd-schemas initialize:dev
+
+# Fixes Error: No active storage providers available
+echo "Waiting for ipfs name registration"
+sleep 120
+
+echo "Creating channel..."
+yarn joystream-cli media:createChannel \
+  --input ./assets/TestChannel.json --confirm
+
+echo "Uploading video..."
+yes | yarn joystream-cli media:uploadVideo ./assets/joystream.MOV \
+  --input ./assets/TestVideo.json \
+  --confirm 
+
+time DEBUG=* yarn workspace network-tests run-test-scenario storage-node

+ 13 - 0
tests/integration-tests/run-test-scenario.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+
+SCRIPT_PATH="$(dirname "${BASH_SOURCE[0]}")"
+cd $SCRIPT_PATH
+
+# pass the scenario name without .ts extension
+SCENARIO=$1
+# fallback if scenario if not specified
+SCENARIO=${SCENARIO:=olympia}
+
+# Execute the tests
+time DEBUG=* yarn workspace network-tests node-ts-strict src/scenarios/${SCENARIO}.ts

+ 100 - 0
tests/integration-tests/run-tests.sh

@@ -0,0 +1,100 @@
+#!/usr/bin/env bash
+set -e
+
+SCRIPT_PATH="$(dirname "${BASH_SOURCE[0]}")"
+cd $SCRIPT_PATH
+
+# Location that will be mounted as the /data volume in containers
+# This is how we access the initial members and balances files from
+# the containers and where generated chainspec files will be located.
+DATA_PATH=${DATA_PATH:=~/tmp}
+
+# Initial account balance for Alice
+# Alice is the source of funds for all new accounts that are created in the tests.
+ALICE_INITIAL_BALANCE=${ALICE_INITIAL_BALANCE:=100000000}
+
+# The docker image tag to use for joystream/node as the starting chain
+# that will be upgraded to the latest runtime.
+RUNTIME=${RUNTIME:=latest}
+TARGET_RUNTIME=${TARGET_RUNTIME:=latest}
+
+mkdir -p ${DATA_PATH}
+
+echo "{
+  \"balances\":[
+    [\"5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY\", ${ALICE_INITIAL_BALANCE}]
+  ]
+}" > ${DATA_PATH}/initial-balances.json
+
+# Make Alice a member
+echo '
+  [{
+    "member_id": 0,
+    "root_account": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY",
+    "controller_account": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY",
+    "handle":"alice",
+    "avatar_uri":"https://alice.com/avatar.png",
+    "about":"Alice",
+    "name": "Alice"
+  }]
+' > ${DATA_PATH}/initial-members.json
+
+# Create a chain spec file
+docker run --rm -v ${DATA_PATH}:/data --entrypoint ./chain-spec-builder joystream/node:${RUNTIME} \
+  new \
+  --authority-seeds Alice \
+  --sudo-account  5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY \
+  --deployment dev \
+  --chain-spec-path /data/chain-spec.json \
+  --initial-balances-path /data/initial-balances.json \
+  --initial-members-path /data/initial-members.json
+
+# Convert the chain spec file to a raw chainspec file
+docker run --rm -v ${DATA_PATH}:/data joystream/node:${RUNTIME} build-spec \
+  --raw --disable-default-bootnode \
+  --chain /data/chain-spec.json > ~/tmp/chain-spec-raw.json
+
+NETWORK_ARG=
+if [ "$ATTACH_TO_NETWORK" != "" ]; then
+  NETWORK_ARG="--network ${ATTACH_TO_NETWORK}"
+fi
+
+# Start a chain with generated chain spec
+# Add "-l ws=trace,ws::handler=info" to get websocket trace logs
+CONTAINER_ID=`docker run -d -v ${DATA_PATH}:/data -p 9944:9944 ${NETWORK_ARG} --name joystream-node joystream/node:${RUNTIME} \
+  --validator --alice --unsafe-ws-external --rpc-cors=all -l runtime \
+  --chain /data/chain-spec-raw.json`
+
+function cleanup() {
+    docker logs ${CONTAINER_ID} --tail 15
+    docker stop ${CONTAINER_ID}
+    docker rm ${CONTAINER_ID}
+}
+
+trap cleanup EXIT
+
+if [ "$TARGET_RUNTIME" == "$RUNTIME" ]; then
+  echo "Not Performing a runtime upgrade."
+else
+  # Copy new runtime wasm file from target joystream/node image
+  echo "Extracting wasm blob from target joystream/node image."
+  id=`docker create joystream/node:${TARGET_RUNTIME}`
+  docker cp $id:/joystream/runtime.compact.wasm ${DATA_PATH}
+  docker rm $id
+
+  # Display runtime version before runtime upgrade
+  sleep 5
+  yarn workspace api-scripts tsnode-strict src/status.ts | grep Runtime
+
+  echo "Performing runtime upgrade."
+  DEBUG=* yarn workspace api-scripts tsnode-strict \
+    src/dev-set-runtime-code.ts -- ${DATA_PATH}/runtime.compact.wasm
+
+  echo "Runtime upgraded."
+fi
+
+# Display runtime version
+sleep 5
+yarn workspace api-scripts tsnode-strict src/status.ts | grep Runtime
+
+./run-test-scenario.sh $1

+ 1457 - 0
tests/integration-tests/src/Api.ts

@@ -0,0 +1,1457 @@
+import { ApiPromise, WsProvider, Keyring } from '@polkadot/api'
+import { Bytes, Option, u32, Vec, StorageKey } from '@polkadot/types'
+import { ISubmittableResult } from '@polkadot/types/types'
+import { KeyringPair } from '@polkadot/keyring/types'
+import { AccountId, MemberId } from '@joystream/types/common'
+import {
+  Application,
+  ApplicationId,
+  ApplicationIdToWorkerIdMap,
+  Worker,
+  WorkerId,
+  Opening as WorkingGroupOpening,
+  OpeningId,
+  StakePolicy,
+} from '@joystream/types/working-group'
+
+import { AccountInfo, Balance, Event, EventRecord } from '@polkadot/types/interfaces'
+import BN from 'bn.js'
+import { QueryableConsts, QueryableStorage, SubmittableExtrinsic, SubmittableExtrinsics } from '@polkadot/api/types'
+import { Sender, LogLevel } from './sender'
+import { Utils } from './utils'
+import { types } from '@joystream/types'
+
+import { ProposalId } from '@joystream/types/proposals'
+import { v4 as uuid } from 'uuid'
+import { ChannelEntity } from '@joystream/cd-schemas/types/entities/ChannelEntity'
+import { VideoEntity } from '@joystream/cd-schemas/types/entities/VideoEntity'
+import { initializeContentDir, InputParser } from '@joystream/cd-schemas'
+import { OperationType } from '@joystream/types/content-directory'
+import { ContentId, DataObject } from '@joystream/types/media'
+import Debugger from 'debug'
+import { CouncilMemberOf } from '@joystream/types/council'
+import { DispatchError } from '@polkadot/types/interfaces/system'
+
+export enum WorkingGroups {
+  StorageWorkingGroup = 'storageWorkingGroup',
+  ContentDirectoryWorkingGroup = 'contentDirectoryWorkingGroup',
+  MembershipWorkingGroup = 'membershipWorkingGroup',
+  ForumWorkingGroup = 'forumWorkingGroup',
+}
+
+export class ApiFactory {
+  private readonly api: ApiPromise
+  private readonly keyring: Keyring
+  // source of funds for all new accounts
+  private readonly treasuryAccount: string
+
+  public static async create(
+    provider: WsProvider,
+    treasuryAccountUri: string,
+    sudoAccountUri: string
+  ): Promise<ApiFactory> {
+    const debug = Debugger('api-factory')
+    let connectAttempts = 0
+    while (true) {
+      connectAttempts++
+      debug(`Connecting to chain, attempt ${connectAttempts}..`)
+      try {
+        const api = await ApiPromise.create({ provider, types })
+
+        // Wait for api to be connected and ready
+        await api.isReady
+
+        // If a node was just started up it might take a few seconds to start producing blocks
+        // Give it a few seconds to be ready.
+        await Utils.wait(5000)
+
+        return new ApiFactory(api, treasuryAccountUri, sudoAccountUri)
+      } catch (err) {
+        if (connectAttempts === 3) {
+          throw new Error('Unable to connect to chain')
+        }
+      }
+      await Utils.wait(5000)
+    }
+  }
+
+  constructor(api: ApiPromise, treasuryAccountUri: string, sudoAccountUri: string) {
+    this.api = api
+    this.keyring = new Keyring({ type: 'sr25519' })
+    this.treasuryAccount = this.keyring.addFromUri(treasuryAccountUri).address
+    this.keyring.addFromUri(sudoAccountUri)
+  }
+
+  public getApi(label: string): Api {
+    return new Api(this.api, this.treasuryAccount, this.keyring, label)
+  }
+
+  public close(): void {
+    this.api.disconnect()
+  }
+}
+
+export class Api {
+  private readonly api: ApiPromise
+  private readonly sender: Sender
+  private readonly keyring: Keyring
+  // source of funds for all new accounts
+  private readonly treasuryAccount: string
+
+  constructor(api: ApiPromise, treasuryAccount: string, keyring: Keyring, label: string) {
+    this.api = api
+    this.keyring = keyring
+    this.treasuryAccount = treasuryAccount
+    this.sender = new Sender(api, keyring, label)
+  }
+
+  public get tx(): SubmittableExtrinsics<'promise'> {
+    return this.api.tx
+  }
+
+  public get query(): QueryableStorage<'promise'> {
+    return this.api.query
+  }
+
+  public get consts(): QueryableConsts<'promise'> {
+    return this.api.consts
+  }
+
+  public get derive() {
+    return this.api.derive
+  }
+
+  public async signAndSend(
+    tx: SubmittableExtrinsic<'promise'>,
+    sender: AccountId | string
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(tx, sender)
+  }
+
+  public async makeSudoCall(tx: SubmittableExtrinsic<'promise'>): Promise<ISubmittableResult> {
+    const sudo = await this.api.query.sudo.key()
+    return this.signAndSend(this.api.tx.sudo.sudo(tx), sudo)
+  }
+
+  public enableDebugTxLogs(): void {
+    this.sender.setLogLevel(LogLevel.Debug)
+  }
+
+  public enableVerboseTxLogs(): void {
+    this.sender.setLogLevel(LogLevel.Verbose)
+  }
+
+  // Create new keys and store them in the shared keyring
+  public createKeyPairs(n: number): KeyringPair[] {
+    const nKeyPairs: KeyringPair[] = []
+    for (let i = 0; i < n; i++) {
+      // What are risks of generating duplicate keys this way?
+      // Why not use a deterministic /TestKeys/N and increment N
+      nKeyPairs.push(this.keyring.addFromUri(i + uuid().substring(0, 8)))
+    }
+    return nKeyPairs
+  }
+
+  // Well known WorkingGroup enum defined in runtime
+  public getWorkingGroupString(workingGroup: WorkingGroups): string {
+    switch (workingGroup) {
+      case WorkingGroups.StorageWorkingGroup:
+        return 'Storage'
+      case WorkingGroups.ContentDirectoryWorkingGroup:
+        return 'Content'
+      case WorkingGroups.ForumWorkingGroup:
+        return 'Forum'
+      case WorkingGroups.MembershipWorkingGroup:
+        return 'Membership'
+      default:
+        throw new Error(`Invalid working group string representation: ${workingGroup}`)
+    }
+  }
+
+  public getBlockDuration(): BN {
+    return this.api.createType('Moment', this.api.consts.babe.expectedBlockTime)
+  }
+
+  public durationInMsFromBlocks(durationInBlocks: number): number {
+    return this.getBlockDuration().muln(durationInBlocks).toNumber()
+  }
+
+  public getValidatorCount(): Promise<BN> {
+    return this.api.query.staking.validatorCount<u32>()
+  }
+
+  public getMemberIds(controllerAddress: string): Promise<MemberId[]> {
+    return this.api.query.members.memberIdsByControllerAccountId<Vec<MemberId>>(controllerAddress)
+  }
+
+  public getBestBlock(): Promise<BN> {
+    return this.api.derive.chain.bestNumber()
+  }
+
+  public async getControllerAccountOfMember(id: MemberId): Promise<string> {
+    return (await this.api.query.members.membershipById(id)).controller_account.toString()
+  }
+
+  public async getBalance(address: string): Promise<Balance> {
+    const accountData: AccountInfo = await this.api.query.system.account<AccountInfo>(address)
+    return accountData.data.free
+  }
+
+  public async transferBalance({
+    from,
+    to,
+    amount,
+  }: {
+    from: string
+    to: string
+    amount: BN
+  }): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx.balances.transfer(to, amount), from)
+  }
+
+  public async treasuryTransferBalance(to: string, amount: BN): Promise<ISubmittableResult> {
+    return this.transferBalance({ from: this.treasuryAccount, to, amount })
+  }
+
+  public treasuryTransferBalanceToAccounts(destinations: string[], amount: BN): Promise<ISubmittableResult[]> {
+    return Promise.all(
+      destinations.map((account) => this.transferBalance({ from: this.treasuryAccount, to: account, amount }))
+    )
+  }
+
+  public async getMembershipFee(): Promise<BN> {
+    return this.api.query.members.membershipPrice()
+  }
+
+  // This method does not take into account weights and the runtime weight to fees computation!
+  private estimateTxFee(tx: SubmittableExtrinsic<'promise'>): BN {
+    const byteFee: BN = this.api.createType('BalanceOf', this.api.consts.transactionPayment.transactionByteFee)
+    return Utils.calcTxLength(tx).mul(byteFee)
+  }
+
+  // The estimation methods here serve to allow fixtures to estimate fees ahead of
+  // constructing transactions which may have dependencies on other transactions finalizing
+
+  public estimateBuyMembershipFee(account: string, handle: string): BN {
+    return this.estimateTxFee(
+      this.api.tx.members.buyMembership({ root_account: account, controller_account: account, handle })
+    )
+  }
+
+  public estimateApplyForCouncilFee(membershipId: number | MemberId, account: string, stake: BN): BN {
+    return this.estimateTxFee(this.api.tx.council.announceCandidacy(membershipId, account, account, stake))
+  }
+
+  public estimateVoteForCouncilFee(memberId: string, salt: string, stake: BN): BN {
+    const hashedVote: string = Utils.hashVote(memberId, salt)
+    return this.estimateTxFee(this.api.tx.referendum.vote(hashedVote, stake))
+  }
+
+  public estimateRevealVoteFee(memberId: string, salt: string): BN {
+    return this.estimateTxFee(this.api.tx.referendum.revealVote(salt, memberId))
+  }
+
+  public estimateVoteForProposalFee(): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsEngine.vote(
+        this.api.createType('MemberId', 0),
+        this.api.createType('ProposalId', 0),
+        'Approve',
+        'rationale-text'
+      )
+    )
+  }
+
+  public estimateProposeRuntimeUpgradeFee(title: string, description: string, runtime: Bytes | string): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0,
+          title,
+          description,
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          RuntimeUpgrade: runtime,
+        }
+      )
+    )
+  }
+
+  public estimateProposeTextFee(title: string, description: string, text: string): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0,
+          title,
+          description,
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          Text: text,
+        }
+      )
+    )
+  }
+
+  public estimateProposeSpendingFee(title: string, description: string, balance: BN, destination: string): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0,
+          title,
+          description,
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          Spending: [balance, destination],
+        }
+      )
+    )
+  }
+
+  public estimateProposeValidatorCountFee(title: string, description: string): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0,
+          title,
+          description,
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          SetValidatorCount: 1,
+        }
+      )
+    )
+  }
+
+  public estimateAddOpeningFee(module: WorkingGroups): BN {
+    return this.estimateTxFee(this.api.tx[module].addOpening('Human readable text', 'Regular', null, null))
+  }
+
+  public estimateApplyOnOpeningFee(account: string, module: WorkingGroups): BN {
+    return this.estimateTxFee(
+      this.api.tx[module].applyOnOpening({
+        member_id: this.api.createType('MemberId', 0),
+        opening_id: this.api.createType('OpeningId', 0),
+        role_account_id: account,
+        reward_account_id: account,
+        description:
+          'Some testing text used for estimation purposes which is longer than text expected during the test',
+        stake_parameters: null,
+      })
+    )
+  }
+
+  public estimateFillOpeningFee(module: WorkingGroups): BN {
+    return this.estimateTxFee(this.api.tx[module].fillOpening(0, this.api.createType('ApplicationIdSet', [0])))
+  }
+
+  public estimateIncreaseStakeFee(module: WorkingGroups): BN {
+    return this.estimateTxFee(this.api.tx[module].increaseStake(this.api.createType('WorkerId', 0), 0))
+  }
+
+  public estimateDecreaseStakeFee(module: WorkingGroups): BN {
+    return this.estimateTxFee(this.api.tx[module].decreaseStake(this.api.createType('WorkerId', 0), 0))
+  }
+
+  public estimateUpdateRoleAccountFee(address: string, module: WorkingGroups): BN {
+    return this.estimateTxFee(this.api.tx[module].updateRoleAccount(this.api.createType('WorkerId', 0), address))
+  }
+
+  public estimateUpdateRewardAccountFee(address: string, module: WorkingGroups): BN {
+    return this.estimateTxFee(this.api.tx[module].updateRewardAccount(this.api.createType('WorkerId', 0), address))
+  }
+
+  public estimateLeaveRoleFee(module: WorkingGroups): BN {
+    return this.estimateTxFee(this.api.tx[module].leaveRole(this.api.createType('WorkerId', 0)))
+  }
+
+  public estimateWithdrawApplicationFee(module: WorkingGroups): BN {
+    return this.estimateTxFee(this.api.tx[module].withdrawApplication(this.api.createType('ApplicationId', 0)))
+  }
+
+  public estimateSlashStakeFee(module: WorkingGroups): BN {
+    return this.estimateTxFee(
+      this.api.tx[module].slashStake(this.api.createType('WorkerId', 0), {
+        slashing_text: 'some-slash-reason-text',
+        slashing_amount: 100,
+      })
+    )
+  }
+
+  public estimateTerminateRoleFee(module: WorkingGroups): BN {
+    return this.estimateTxFee(
+      this.api.tx[module].terminateRole(this.api.createType('WorkerId', 0), {
+        slashing_text: 'termination-reason-text',
+        slashing_amount: 100,
+      })
+    )
+  }
+
+  public estimateProposeCreateWorkingGroupLeaderOpeningFee(): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0,
+          title: 'storage-lead-opening',
+          description: 'long description for lead opening',
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          AddWorkingGroupLeaderOpening: {
+            description: 'long description of opening details',
+            stake_policy: null, // Option.with(StakePolicy),
+            reward_per_block: null, // Option.with(u128),
+            working_group: 'Storage',
+          },
+        }
+      )
+    )
+  }
+
+  public estimateProposeFillLeaderOpeningFee(): BN {
+    const fillOpeningParameters = this.api.createType('FillOpeningParameters', {
+      opening_id: this.api.createType('OpeningId', 0),
+      successful_application_id: this.api.createType('ApplicationId', 0),
+      working_group: 'Storage',
+    })
+
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0, // should we be doing this.api.createType('MemberId', 0) instead?
+          title: 'storage-lead-fill-opening',
+          description: 'long description for filling lead opening',
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          FillWorkingGroupLeaderOpening: fillOpeningParameters,
+        }
+      )
+    )
+  }
+
+  public estimateProposeTerminateLeaderRoleFee(): BN {
+    const terminateRoleParameters = this.api.createType('TerminateRoleParameters', {
+      worker_id: this.api.createType('WorkerId', 0),
+      penalty: this.api.createType('Penalty', {
+        slashing_text: 'reason for slashing',
+        slashing_amount: 100,
+      }),
+      working_group: 'Storage',
+    })
+
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0, // should we be doing this.api.createType('MemberId', 0) instead?
+          title: 'terminate-lead',
+          description: 'long description for terminating lead',
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          TerminateWorkingGroupLeaderRole: terminateRoleParameters,
+        }
+      )
+    )
+  }
+
+  public estimateProposeLeaderRewardFee(): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0, // should we be doing this.api.createType('MemberId', 0) instead?
+          title: 'storage-lead-opening',
+          description: 'long description for lead opening',
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          SetWorkingGroupLeaderReward: [this.api.createType('WorkerId', 1), 1000, 'Storage'],
+        }
+      )
+    )
+  }
+
+  public estimateProposeDecreaseLeaderStakeFee(): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0, // should we be doing this.api.createType('MemberId', 0) instead?
+          title: 'storage-lead-opening',
+          description: 'long description for lead opening',
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          DecreaseWorkingGroupLeaderStake: [this.api.createType('WorkerId', 1), 1000, 'Storage'],
+        }
+      )
+    )
+  }
+
+  public estimateProposeSlashLeaderStakeFee(): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0, // should we be doing this.api.createType('MemberId', 0) instead?
+          title: 'storage-lead-opening',
+          description: 'long description for lead opening',
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          SlashWorkingGroupLeaderStake: [
+            this.api.createType('WorkerId', 1),
+            {
+              slashing_text: 'reason for slashing',
+              slashing_amount: 100,
+            },
+            'Storage',
+          ],
+        }
+      )
+    )
+  }
+
+  // rename this to estimateProposeWorkingGroupBudgetFee
+  public estimateProposeWorkingGroupMintCapacityFee(): BN {
+    return this.estimateTxFee(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: 0, // should we be doing this.api.createType('MemberId', 0) instead?
+          title: 'storage-lead-opening',
+          description: 'long description for lead opening',
+          staking_account_id: null,
+          exact_execution_block: null,
+        },
+        {
+          SetWorkingGroupBudgetCapacity: [1000, 'Storage'],
+        }
+      )
+    )
+  }
+
+  // Council and elections
+
+  // Move into fixture
+  private applyForCouncilElection(
+    membershipId: MemberId | number,
+    account: string,
+    amount: BN
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(
+      this.api.tx.council.announceCandidacy(membershipId, account, account, amount),
+      account
+    )
+  }
+
+  public batchApplyForCouncilElection(
+    membershipIds: number[], // would be better to pass Map<membershipId, account>
+    accounts: string[], //
+    amount: BN
+  ): Promise<ISubmittableResult[]> {
+    return Promise.all(
+      accounts.map(async (account, ix) => this.applyForCouncilElection(membershipIds[ix], account, amount))
+    )
+  }
+
+  /*
+    We can't manually control the election stages anymore.
+
+    Tests must take these constants into account:
+    Council:
+      AnnouncingPeriodDuration: BlockNumber = 15;
+      IdlePeriodDuration: BlockNumber = 27;
+    Referendum:
+      VoteStageDuration: BlockNumber = 5;
+      RevealStageDuration: BlockNumber = 7;
+      MinimumVotingStake: u64 = 10000;
+
+  public async getAnnouncingPeriod(): Promise<BN> {
+    return this.api.query.councilElection.announcingPeriod<BlockNumber>()
+  }
+
+  public async getVotingPeriod(): Promise<BN> {
+    return this.api.query.councilElection.votingPeriod<BlockNumber>()
+  }
+
+  public async getRevealingPeriod(): Promise<BN> {
+    return this.api.query.councilElection.revealingPeriod<BlockNumber>()
+  }
+
+  public async getCouncilSize(): Promise<BN> {
+    return this.api.query.councilElection.councilSize<u32>()
+  }
+
+  public async getCandidacyLimit(): Promise<BN> {
+    return this.api.query.councilElection.candidacyLimit<u32>()
+  }
+
+  public async getNewTermDuration(): Promise<BN> {
+    return this.api.query.councilElection.newTermDuration<BlockNumber>()
+  }
+
+  public async getMinCouncilStake(): Promise<BN> {
+    return this.api.query.councilElection.minCouncilStake<BalanceOf>()
+  }
+
+  public async getMinVotingStake(): Promise<BN> {
+    return this.api.query.councilElection.minVotingStake<BalanceOf>()
+  }
+  */
+
+  private voteForCouncilMember(
+    voterAccountId: string,
+    nominee: string, // FIXME: -> MemberId | number,
+    salt: string,
+    stake: BN
+  ): Promise<ISubmittableResult> {
+    const hashedVote: string = Utils.hashVote(nominee, salt)
+    return this.sender.signAndSend(this.api.tx.referendum.vote(hashedVote, stake), voterAccountId)
+  }
+
+  public batchVoteForCouncilMember(
+    accounts: string[],
+    nominees: string[],
+    salts: string[],
+    stake: BN
+  ): Promise<ISubmittableResult[]> {
+    return Promise.all(
+      accounts.map(async (account, index) => this.voteForCouncilMember(account, nominees[index], salts[index], stake))
+    )
+  }
+
+  private revealVote(account: string, nominee: string, salt: string): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx.referendum.revealVote(salt, nominee), account)
+  }
+
+  public batchRevealVote(voterAccountIds: string[], nominees: string[], salt: string[]): Promise<ISubmittableResult[]> {
+    return Promise.all(
+      voterAccountIds.map(async (account, index) => {
+        return this.revealVote(account, nominees[index], salt[index])
+      })
+    )
+  }
+
+  public sudoSetCouncilBudget(capacity: BN): Promise<ISubmittableResult> {
+    return this.makeSudoCall(this.api.tx.council.setBudget(capacity))
+  }
+
+  public getCouncilMembers(): Promise<CouncilMemberOf[]> {
+    return this.api.query.council.councilMembers()
+  }
+
+  public async getCouncilControllerAccounts(): Promise<string[]> {
+    const council = await this.getCouncilMembers()
+    const memberIds = council.map((member) => member.membership_id)
+    return Promise.all(memberIds.map((id) => this.getControllerAccountOfMember(id)))
+  }
+
+  public findEventRecord(events: EventRecord[], section: string, method: string): EventRecord | undefined {
+    return events.find((record) => record.event.section === section && record.event.method === method)
+  }
+
+  public getErrorNameFromExtrinsicFailedRecord(result: ISubmittableResult): string | undefined {
+    const failed = result.findRecord('system', 'ExtrinsicFailed')
+    if (!failed) {
+      return
+    }
+    const record = failed as EventRecord
+    const {
+      event: { data },
+    } = record
+    const err = data[0] as DispatchError
+    if (err.isModule) {
+      try {
+        const { name } = this.api.registry.findMetaError(err.asModule)
+        return name
+      } catch (findmetaerror) {
+        //
+      }
+    }
+  }
+
+  public findMemberRegisteredEvent(events: EventRecord[]): MemberId | undefined {
+    const record = this.findEventRecord(events, 'members', 'MemberRegistered')
+    if (record) {
+      return record.event.data[0] as MemberId
+    }
+  }
+
+  public findProposalCreatedEvent(events: EventRecord[]): ProposalId | undefined {
+    const record = this.findEventRecord(events, 'proposalsEngine', 'ProposalCreated')
+    if (record) {
+      return record.event.data[1] as ProposalId
+    }
+  }
+
+  public findOpeningAddedEvent(events: EventRecord[], workingGroup: WorkingGroups): OpeningId | undefined {
+    const record = this.findEventRecord(events, workingGroup, 'OpeningAdded')
+    if (record) {
+      // Event data is not a tuple, so shouldn't this just be: return (record.event.data as unknown) as OpeningId
+      return record.event.data[0] as OpeningId
+    }
+  }
+
+  public findLeaderSetEvent(events: EventRecord[], workingGroup: WorkingGroups): WorkerId | undefined {
+    const record = this.findEventRecord(events, workingGroup, 'LeaderSet')
+    if (record) {
+      return (record.event.data as unknown) as WorkerId
+    }
+  }
+
+  public findTerminatedLeaderEvent(events: EventRecord[], workingGroup: WorkingGroups): EventRecord | undefined {
+    return this.findEventRecord(events, workingGroup, 'TerminatedLeader')
+  }
+
+  public findWorkerRewardAmountUpdatedEvent(
+    events: EventRecord[],
+    workingGroup: WorkingGroups,
+    workerId: WorkerId
+  ): WorkerId | undefined {
+    const record = this.findEventRecord(events, workingGroup, 'WorkerRewardAmountUpdated')
+    if (record) {
+      const id = (record.event.data[0] as unknown) as WorkerId
+      if (id.eq(workerId)) {
+        return workerId
+      }
+    }
+  }
+
+  public findStakeDecreasedEvent(events: EventRecord[], workingGroup: WorkingGroups): EventRecord | undefined {
+    return this.findEventRecord(events, workingGroup, 'StakeDecreased')
+  }
+
+  public findStakeSlashedEvent(events: EventRecord[], workingGroup: WorkingGroups): EventRecord | undefined {
+    return this.findEventRecord(events, workingGroup, 'StakeSlashed')
+  }
+
+  public findBudgetSetEvent(events: EventRecord[], workingGroup: WorkingGroups): BN | undefined {
+    const record = this.findEventRecord(events, workingGroup, 'BudgetSet')
+    if (record) {
+      return (record.event.data[0] as unknown) as BN
+    }
+  }
+
+  // Resolves to true when proposal finalized and executed successfully
+  // Resolved to false when proposal finalized and execution fails
+  public waitForProposalToFinalize(id: ProposalId): Promise<[boolean, EventRecord[]]> {
+    return new Promise(async (resolve) => {
+      const unsubscribe = await this.api.query.system.events<Vec<EventRecord>>((events) => {
+        events.forEach((record) => {
+          if (
+            record.event.method &&
+            record.event.method.toString() === 'ProposalStatusUpdated' &&
+            record.event.data[0].eq(id) &&
+            record.event.data[1].toString().includes('Executed')
+          ) {
+            unsubscribe()
+            resolve([true, events])
+          } else if (
+            record.event.method &&
+            record.event.method.toString() === 'ProposalStatusUpdated' &&
+            record.event.data[0].eq(id) &&
+            record.event.data[1].toString().includes('ExecutionFailed')
+          ) {
+            unsubscribe()
+            resolve([false, events])
+          }
+        })
+      })
+    })
+  }
+
+  public findOpeningFilledEvent(
+    events: EventRecord[],
+    workingGroup: WorkingGroups
+  ): ApplicationIdToWorkerIdMap | undefined {
+    const record = this.findEventRecord(events, workingGroup, 'OpeningFilled')
+    if (record) {
+      return (record.event.data[1] as unknown) as ApplicationIdToWorkerIdMap
+    }
+  }
+
+  // Looks for the first occurance of an expected event, and resolves.
+  // Use this when the event we are expecting is not particular to a specific extrinsic
+  // that is being tracked. So these would be events emitted when on_finalize, on_initialize
+  // on_runtime_upgrade.
+  public waitForSystemEvent(eventName: string): Promise<Event> {
+    return new Promise(async (resolve) => {
+      const unsubscribe = await this.api.query.system.events<Vec<EventRecord>>((events) => {
+        events.forEach((record) => {
+          if (record.event.method && record.event.method.toString() === eventName) {
+            unsubscribe()
+            resolve(record.event)
+          }
+        })
+      })
+    })
+  }
+
+  public async getWorkingGroupBudget(module: WorkingGroups): Promise<BN> {
+    return this.api.query[module].budget()
+  }
+
+  /* Move proposeX methods into fixtures
+
+  public async proposeRuntime(
+    account: string,
+    title: string,
+    description: string,
+    runtime: Bytes | string
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: memberId,
+          title,
+          description,
+          staking_account_id: account,
+          exact_execution_block: null,
+        },
+        {
+          RuntimeUpgrade: runtime,
+        }
+      ),
+      account
+    )
+  }
+
+  public async proposeText(
+    account: string,
+    title: string,
+    description: string,
+    text: string
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: memberId,
+          title,
+          description,
+          staking_account_id: account,
+          exact_execution_block: null,
+        },
+        {
+          Text: text,
+        }
+      ),
+      account
+    )
+  }
+
+  public async proposeSpending(
+    account: string,
+    title: string,
+    description: string,
+    balance: BN,
+    destination: string
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: memberId,
+          title,
+          description,
+          staking_account_id: account,
+          exact_execution_block: null,
+        },
+        {
+          Spending: [balance, destination],
+        }
+      ),
+      account
+    )
+  }
+
+  public async proposeValidatorCount(
+    account: string,
+    title: string,
+    description: string,
+    validatorCount: BN
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: memberId,
+          title,
+          description,
+          staking_account_id: account,
+          exact_execution_block: null,
+        },
+        {
+          SetValidatorCount: validatorCount,
+        }
+      ),
+      account
+    )
+  }
+
+  public async proposeCreateWorkingGroupLeaderOpening(
+    account: string,
+    title: string,
+    description: string,
+    workingGroup: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createProposal(
+        {
+          member_id: memberId,
+          title,
+          description,
+          staking_account_id: account,
+          exact_execution_block: null,
+        },
+        {
+          AddWorkingGroupLeaderOpening: {
+            description,
+            stake_policy: null, // Option.with(StakePolicy),
+            reward_per_block: null, // Option.with(u128),
+            working_group: workingGroup,
+          },
+        }
+      ),
+      account
+    )
+  }
+
+  public async proposeFillLeaderOpening(fillOpening: {
+    account: string
+    title: string
+    description: string
+    proposalStake: BN
+    openingId: OpeningId
+    successfulApplicationId: ApplicationId
+    amountPerPayout: BN
+    nextPaymentAtBlock: BN
+    payoutInterval: BN
+    workingGroup: string
+  }): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(fillOpening.account))[0]
+
+    const fillOpeningParameters: FillOpeningParameters = this.api.createType('FillOpeningParameters', {
+      opening_id: fillOpening.openingId,
+      successful_application_id: fillOpening.successfulApplicationId,
+      reward_policy: this.api.createType('Option<RewardPolicy>', {
+        amount_per_payout: fillOpening.amountPerPayout as Balance,
+        next_payment_at_block: fillOpening.nextPaymentAtBlock as BlockNumber,
+        payout_interval: this.api.createType('Option<u32>', fillOpening.payoutInterval),
+      }),
+      working_group: this.api.createType('WorkingGroup', fillOpening.workingGroup),
+    })
+
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createFillWorkingGroupLeaderOpeningProposal(
+        memberId,
+        fillOpening.title,
+        fillOpening.description,
+        fillOpening.proposalStake,
+        fillOpeningParameters
+      ),
+      fillOpening.account
+    )
+  }
+
+  public async proposeTerminateLeaderRole(
+    account: string,
+    title: string,
+    description: string,
+    proposalStake: BN,
+    leadWorkerId: WorkerId,
+    rationale: string,
+    slash: boolean,
+    workingGroup: string
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createTerminateWorkingGroupLeaderRoleProposal(
+        memberId,
+        title,
+        description,
+        proposalStake,
+        {
+          'worker_id': leadWorkerId,
+          rationale,
+          slash,
+          'working_group': workingGroup,
+        }
+      ),
+      account
+    )
+  }
+
+  public async proposeLeaderReward(
+    account: string,
+    title: string,
+    description: string,
+    proposalStake: BN,
+    workerId: WorkerId,
+    rewardAmount: BN,
+    workingGroup: string
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createSetWorkingGroupLeaderRewardProposal(
+        memberId,
+        title,
+        description,
+        proposalStake,
+        workerId,
+        rewardAmount,
+        this.api.createType('WorkingGroup', workingGroup)
+      ),
+      account
+    )
+  }
+
+  public async proposeDecreaseLeaderStake(
+    account: string,
+    title: string,
+    description: string,
+    proposalStake: BN,
+    workerId: WorkerId,
+    rewardAmount: BN,
+    workingGroup: string
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createDecreaseWorkingGroupLeaderStakeProposal(
+        memberId,
+        title,
+        description,
+        proposalStake,
+        workerId,
+        rewardAmount,
+        this.api.createType('WorkingGroup', workingGroup)
+      ),
+      account
+    )
+  }
+
+  public async proposeSlashLeaderStake(
+    account: string,
+    title: string,
+    description: string,
+    proposalStake: BN,
+    workerId: WorkerId,
+    rewardAmount: BN,
+    workingGroup: string
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createSlashWorkingGroupLeaderStakeProposal(
+        memberId,
+        title,
+        description,
+        proposalStake,
+        workerId,
+        rewardAmount,
+        this.api.createType('WorkingGroup', workingGroup)
+      ),
+      account
+    )
+  }
+
+  public async proposeWorkingGroupMintCapacity(
+    account: string,
+    title: string,
+    description: string,
+    proposalStake: BN,
+    mintCapacity: BN,
+    workingGroup: string
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx.proposalsCodex.createSetWorkingGroupMintCapacityProposal(
+        memberId,
+        title,
+        description,
+        proposalStake,
+        mintCapacity,
+        this.api.createType('WorkingGroup', workingGroup)
+      ),
+      account
+    )
+  }
+  */
+
+  // Council member votes Approve on proposal
+  public async approveProposal(councilMemberId: MemberId, proposal: ProposalId): Promise<ISubmittableResult> {
+    const controllerAccount = await this.getControllerAccountOfMember(councilMemberId)
+    return this.sender.signAndSend(
+      this.api.tx.proposalsEngine.vote(councilMemberId, proposal, 'Approve', 'rationale'),
+      controllerAccount
+    )
+  }
+
+  // Make each council member vote 'Approve' on the proposal
+  public async batchApproveProposal(proposalId: ProposalId): Promise<ISubmittableResult[]> {
+    const councilMemberIds = (await this.getCouncilMembers()).map((member) => member.membership_id)
+    return Promise.all(
+      councilMemberIds.map(async (memberId) => {
+        return this.approveProposal(memberId, proposalId)
+      })
+    )
+  }
+
+  // Working Groups
+
+  // Call by lead to create a worker 'Regular' opening
+  public async addRegularWorkerOpening(
+    module: WorkingGroups,
+    leaderRoleAccount: string,
+    description: string,
+    stakePolicy?: StakePolicy,
+    rewardPerBlock?: number
+  ): Promise<ISubmittableResult> {
+    const reward = this.api.createType('Option<Balance>', rewardPerBlock)
+    const policy = this.api.createType('Option<StakePolicy>', stakePolicy)
+    return this.sender.signAndSend(
+      this.api.tx[module].addOpening(description, 'Regular', policy, reward),
+      leaderRoleAccount
+    )
+  }
+
+  // Sudo call to create a lead opening
+  public async addLeaderOpening(
+    module: WorkingGroups,
+    description: string,
+    stakePolicy?: StakePolicy,
+    rewardPerBlock?: number
+  ): Promise<ISubmittableResult> {
+    const reward = this.api.createType('Option<Balance>', rewardPerBlock)
+    const policy = this.api.createType('Option<StakePolicy>', stakePolicy)
+    return this.makeSudoCall(this.api.tx[module].addOpening(description, 'Leader', policy, reward))
+  }
+
+  public async applyOnOpening(
+    account: string,
+    roleAccountAddress: string,
+    openingId: OpeningId,
+    stake: BN,
+    text: string,
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    const memberId: MemberId = (await this.getMemberIds(account))[0]
+    return this.sender.signAndSend(
+      this.api.tx[module].applyOnOpening({
+        member_id: memberId,
+        opening_id: openingId,
+        role_account_id: roleAccountAddress,
+        reward_account_id: roleAccountAddress,
+        description: text,
+        stake_parameters: {
+          stake,
+          staking_account_id: account,
+        },
+      }),
+      account
+    )
+  }
+
+  public async batchApplyOnOpening(
+    accounts: string[],
+    openingId: OpeningId,
+    stake: BN,
+    text: string,
+    module: WorkingGroups
+  ): Promise<ISubmittableResult[]> {
+    return Promise.all(
+      accounts.map(async (account) => this.applyOnOpening(account, account, openingId, stake, text, module))
+    )
+  }
+
+  // Leader fills openning
+  public async fillOpening(
+    leaderRoleAccount: string,
+    openingId: OpeningId,
+    applicationIds: ApplicationId[],
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(
+      this.api.tx[module].fillOpening(openingId, this.api.createType('ApplicationIdSet', applicationIds)),
+      leaderRoleAccount
+    )
+  }
+
+  public async sudoFillOpening(
+    openingId: OpeningId,
+    applicationIds: ApplicationId[],
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    return this.makeSudoCall(
+      this.api.tx[module].fillOpening(openingId, this.api.createType('ApplicationIdSet', applicationIds))
+    )
+  }
+
+  public async increaseStake(
+    workerRoleAccount: string,
+    workerId: WorkerId,
+    amount: BN,
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx[module].increaseStake(workerId, amount), workerRoleAccount)
+  }
+
+  public async decreaseStake(
+    leader: string,
+    workerId: WorkerId,
+    amount: BN,
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx[module].decreaseStake(workerId, amount), leader)
+  }
+
+  public async slashStake(
+    leader: string,
+    workerId: WorkerId,
+    amount: BN,
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(
+      this.api.tx[module].slashStake(workerId, {
+        slashing_text: 'slash reason',
+        slashing_amount: amount,
+      }),
+      leader
+    )
+  }
+
+  public async updateRoleAccount(
+    worker: string,
+    workerId: WorkerId,
+    newRoleAccount: string,
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx[module].updateRoleAccount(workerId, newRoleAccount), worker)
+  }
+
+  public async updateRewardAccount(
+    worker: string,
+    workerId: WorkerId,
+    newRewardAccount: string,
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx[module].updateRewardAccount(workerId, newRewardAccount), worker)
+  }
+
+  public async withdrawApplication(
+    account: string,
+    applicationId: ApplicationId,
+    module: WorkingGroups
+  ): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx[module].withdrawApplication(applicationId), account)
+  }
+
+  public async batchWithdrawActiveApplications(
+    applicationIds: ApplicationId[],
+    module: WorkingGroups
+  ): Promise<ISubmittableResult[]> {
+    const entries: [StorageKey, Application][] = await this.api.query[module].applicationById.entries<Application>()
+
+    return Promise.all(
+      entries
+        .filter(([idKey]) => {
+          return applicationIds.includes(idKey.args[0] as ApplicationId)
+        })
+        .map(([idKey, application]) => ({
+          id: idKey.args[0] as ApplicationId,
+          account: application.role_account_id.toString(),
+        }))
+        .map(({ id, account }) => this.withdrawApplication(account, id, module))
+    )
+  }
+
+  public async terminateRole(leader: string, workerId: WorkerId, module: WorkingGroups): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx[module].terminateRole(workerId, null), leader)
+  }
+
+  public async leaveRole(account: string, workerId: WorkerId, module: WorkingGroups): Promise<ISubmittableResult> {
+    return this.sender.signAndSend(this.api.tx[module].leaveRole(workerId), account)
+  }
+
+  public async batchLeaveRole(workerIds: WorkerId[], module: WorkingGroups): Promise<ISubmittableResult[]> {
+    return Promise.all(
+      workerIds.map(async (workerId) => {
+        // get role_account of worker
+        const worker = await this.getWorkerById(workerId, module)
+        return this.leaveRole(worker.role_account_id.toString(), workerId, module)
+      })
+    )
+  }
+
+  public async getWorkingGroupOpening(id: OpeningId, group: WorkingGroups): Promise<WorkingGroupOpening> {
+    return await this.api.query[group].openingById<WorkingGroupOpening>(id)
+  }
+
+  public async getWorkers(module: WorkingGroups): Promise<Worker[]> {
+    return (await this.api.query[module].workerById.entries<Worker>()).map((workerWithId) => workerWithId[1])
+  }
+
+  public async getWorkerById(id: WorkerId, module: WorkingGroups): Promise<Worker> {
+    return await this.api.query[module].workerById<Worker>(id)
+  }
+
+  public async isWorker(workerId: WorkerId, module: WorkingGroups): Promise<boolean> {
+    const workersAndIds: [StorageKey, Worker][] = await this.api.query[module].workerById.entries<Worker>()
+    const index: number = workersAndIds.findIndex((workersAndId) => workersAndId[0].args[0].eq(workerId))
+    return index !== -1
+  }
+
+  public async getApplicationsIdsByRoleAccount(address: string, module: WorkingGroups): Promise<ApplicationId[]> {
+    const applicationsAndIds = await this.api.query[module].applicationById.entries<Application>()
+    return applicationsAndIds
+      .map((applicationWithId) => {
+        const application: Application = applicationWithId[1]
+        return application.role_account_id.toString() === address
+          ? (applicationWithId[0].args[0] as ApplicationId)
+          : undefined
+      })
+      .filter((id) => id !== undefined) as ApplicationId[]
+  }
+
+  public async getApplicationById(id: ApplicationId, module: WorkingGroups): Promise<Application> {
+    return this.api.query[module].applicationById<Application>(id)
+  }
+
+  // Note: some applications for closed openings might still be returned if
+  // applicantion was not yet withdrawn
+  public async getApplicantRoleAccounts(filterActiveIds: ApplicationId[], module: WorkingGroups): Promise<string[]> {
+    const entries: [StorageKey, Application][] = await this.api.query[module].applicationById.entries<Application>()
+
+    const applications = entries
+      .filter(([idKey]) => {
+        return filterActiveIds.includes(idKey.args[0] as ApplicationId)
+      })
+      .map(([, application]) => application)
+
+    return applications.map((application) => application.role_account_id.toString())
+  }
+
+  public async getWorkerRoleAccounts(workerIds: WorkerId[], module: WorkingGroups): Promise<string[]> {
+    const entries: [StorageKey, Worker][] = await this.api.query[module].workerById.entries<Worker>()
+
+    return entries
+      .filter(([idKey]) => {
+        return workerIds.includes(idKey.args[0] as WorkerId)
+      })
+      .map(([, worker]) => worker.role_account_id.toString())
+  }
+
+  public async getWorkerStakeAmount(workerId: WorkerId, module: WorkingGroups): Promise<BN> {
+    // const stakingAccount = (await this.api.query[module].workerById(workerId)).staking_account_id
+    // read lock information on the account to determine how much is staked
+    return new BN(0)
+  }
+
+  public async getWorkerRewardAccount(workerId: WorkerId, module: WorkingGroups): Promise<string> {
+    return (await this.api.query[module].workerById(workerId)).reward_account_id.toString()
+  }
+
+  public async getLeadWorkerId(module: WorkingGroups): Promise<WorkerId | undefined> {
+    return (await this.api.query[module].currentLead<Option<WorkerId>>()).unwrapOr(undefined)
+  }
+
+  public async getGroupLead(module: WorkingGroups): Promise<Worker | undefined> {
+    const leadId = await this.getLeadWorkerId(module)
+    return leadId ? this.getWorkerById(leadId, module) : undefined
+  }
+
+  public async getActiveWorkersCount(module: WorkingGroups): Promise<BN> {
+    return this.api.query[module].activeWorkerCount<u32>()
+  }
+
+  public getMaxWorkersCount(module: WorkingGroups): BN {
+    return this.api.createType('u32', this.api.consts[module].maxWorkerNumberLimit)
+  }
+
+  async sendContentDirectoryTransaction(operations: OperationType[]): Promise<ISubmittableResult> {
+    const transaction = this.api.tx.contentDirectory.transaction(
+      { Lead: null }, // We use member with id 0 as actor (in this case we assume this is Alice)
+      operations // We provide parsed operations as second argument
+    )
+    const lead = (await this.getGroupLead(WorkingGroups.ContentDirectoryWorkingGroup)) as Worker
+    return this.sender.signAndSend(transaction, lead.role_account_id)
+  }
+
+  public async createChannelEntity(channel: ChannelEntity): Promise<ISubmittableResult> {
+    // Create the parser with known entity schemas (the ones in content-directory-schemas/inputs)
+    const parser = InputParser.createWithKnownSchemas(
+      this.api,
+      // The second argument is an array of entity batches, following standard entity batch syntax ({ className, entries }):
+      [
+        {
+          className: 'Channel',
+          entries: [channel], // We could specify multiple entries here, but in this case we only need one
+        },
+      ]
+    )
+    // We parse the input into CreateEntity and AddSchemaSupportToEntity operations
+    const operations = await parser.getEntityBatchOperations()
+    return this.sendContentDirectoryTransaction(operations)
+  }
+
+  public async createVideoEntity(video: VideoEntity): Promise<ISubmittableResult> {
+    // Create the parser with known entity schemas (the ones in content-directory-schemas/inputs)
+    const parser = InputParser.createWithKnownSchemas(
+      this.api,
+      // The second argument is an array of entity batches, following standard entity batch syntax ({ className, entries }):
+      [
+        {
+          className: 'Video',
+          entries: [video], // We could specify multiple entries here, but in this case we only need one
+        },
+      ]
+    )
+    // We parse the input into CreateEntity and AddSchemaSupportToEntity operations
+    const operations = await parser.getEntityBatchOperations()
+    return this.sendContentDirectoryTransaction(operations)
+  }
+
+  public async updateChannelEntity(
+    channelUpdateInput: Record<string, any>,
+    uniquePropValue: Record<string, any>
+  ): Promise<ISubmittableResult> {
+    // Create the parser with known entity schemas (the ones in content-directory-schemas/inputs)
+    const parser = InputParser.createWithKnownSchemas(this.api)
+
+    // We can reuse InputParser's `findEntityIdByUniqueQuery` method to find entityId of the channel we
+    // created in ./createChannel.ts example (normally we would probably use some other way to do it, ie.: query node)
+    const CHANNEL_ID = await parser.findEntityIdByUniqueQuery(uniquePropValue, 'Channel') // Use getEntityUpdateOperations to parse the update input
+    const updateOperations = await parser.getEntityUpdateOperations(
+      channelUpdateInput,
+      'Channel', // Class name
+      CHANNEL_ID // Id of the entity we want to update
+    )
+    return this.sendContentDirectoryTransaction(updateOperations)
+  }
+
+  async getDataObjectByContentId(contentId: ContentId): Promise<DataObject | null> {
+    const dataObject = await this.api.query.dataDirectory.dataObjectByContentId<Option<DataObject>>(contentId)
+    return dataObject.unwrapOr(null)
+  }
+
+  public async initializeContentDirectory(): Promise<void> {
+    const lead = await this.getGroupLead(WorkingGroups.ContentDirectoryWorkingGroup)
+    if (!lead) {
+      throw new Error('No Lead is set for storage wokring group')
+    }
+    const leadKeyPair = this.keyring.getPair(lead.role_account_id.toString())
+    return initializeContentDir(this.api, leadKeyPair)
+  }
+}

+ 110 - 0
tests/integration-tests/src/Fixture.ts

@@ -0,0 +1,110 @@
+import { Api } from './Api'
+import { assert } from 'chai'
+import { ISubmittableResult } from '@polkadot/types/types/'
+import { DispatchResult } from '@polkadot/types/interfaces/system'
+
+export abstract class BaseFixture {
+  protected readonly api: Api
+  private _executed = false
+  // The reason of the "Unexpected" failure of running the fixture
+  private _err: Error | undefined = undefined
+
+  constructor(api: Api) {
+    this.api = api
+  }
+
+  // Derviced classes must not override this
+  public async runner(): Promise<void> {
+    this._executed = true
+    return this.execute()
+  }
+
+  abstract execute(): Promise<void>
+
+  // Used by execution implementation to signal failure
+  protected error(err: Error): void {
+    this._err = err
+  }
+
+  get executed(): boolean {
+    return this._executed
+  }
+
+  public didFail(): boolean {
+    if (!this.execute) {
+      throw new Error('Trying to check execution result before running fixture')
+    }
+    return this._err !== undefined
+  }
+
+  public executionError(): Error | undefined {
+    if (!this.executed) {
+      throw new Error('Trying to check execution result before running fixture')
+    }
+    return this._err
+  }
+
+  protected expectDispatchError(result: ISubmittableResult, errMessage: string): ISubmittableResult {
+    const success = result.findRecord('system', 'ExtrinsicSuccess')
+
+    if (success) {
+      const sudid = result.findRecord('sudo', 'Sudid')
+      if (sudid) {
+        const dispatchResult = sudid.event.data[0] as DispatchResult
+        if (dispatchResult.isOk) {
+          this.error(new Error(errMessage))
+        }
+      } else {
+        this.error(new Error(errMessage))
+      }
+    }
+
+    return result
+  }
+
+  protected expectDispatchSuccess(result: ISubmittableResult, errMessage: string): ISubmittableResult {
+    const success = result.findRecord('system', 'ExtrinsicSuccess')
+
+    if (success) {
+      const sudid = result.findRecord('sudo', 'Sudid')
+      if (sudid) {
+        const dispatchResult = sudid.event.data[0] as DispatchResult
+        if (dispatchResult.isError) {
+          this.error(new Error(errMessage))
+          // Log DispatchError details
+        }
+      }
+    } else {
+      this.error(new Error(errMessage))
+      // Log DispatchError
+    }
+
+    return result
+  }
+}
+
+// Runs a fixture and measures how long it took to run
+// Ensures fixture only runs once, and asserts that it doesn't fail
+export class FixtureRunner {
+  private fixture: BaseFixture
+  private ran = false
+
+  constructor(fixture: BaseFixture) {
+    this.fixture = fixture
+  }
+
+  public async run(): Promise<void> {
+    if (this.ran) {
+      throw new Error('Fixture already ran')
+    }
+
+    this.ran = true
+
+    // TODO: record starting block
+
+    await this.fixture.runner()
+    // TODO: record ending block
+    const err = this.fixture.executionError()
+    assert.equal(err, undefined)
+  }
+}

+ 6 - 0
tests/integration-tests/src/Flow.ts

@@ -0,0 +1,6 @@
+import { Api } from './Api'
+import { QueryNodeApi } from './QueryNodeApi'
+import { ResourceLocker } from './Resources'
+
+export type FlowProps = { api: Api; env: NodeJS.ProcessEnv; query: QueryNodeApi; lock: ResourceLocker }
+export type Flow = (args: FlowProps) => Promise<void>

+ 16 - 0
tests/integration-tests/src/InvertedPromise.ts

@@ -0,0 +1,16 @@
+function noop(): void {
+  // No-Op
+}
+
+export class InvertedPromise<T> {
+  public resolve: (value: T) => void = noop
+  public reject: (reason?: any) => void = noop
+  public readonly promise: Promise<T>
+
+  constructor() {
+    this.promise = new Promise((resolve, reject) => {
+      this.resolve = resolve
+      this.reject = reject
+    })
+  }
+}

+ 128 - 0
tests/integration-tests/src/Job.ts

@@ -0,0 +1,128 @@
+import Debugger from 'debug'
+import { EventEmitter } from 'events'
+import { ApiFactory } from './Api'
+import { QueryNodeApi } from './QueryNodeApi'
+import { Flow } from './Flow'
+import { InvertedPromise } from './InvertedPromise'
+import { ResourceManager } from './Resources'
+
+export type JobProps = { apiFactory: ApiFactory; env: NodeJS.ProcessEnv; query: QueryNodeApi }
+
+export enum JobOutcome {
+  Succeeded = 'Succeeded',
+  Failed = 'Failed',
+  Skipped = 'Skipped',
+}
+
+export class Job {
+  private _required: Job[] = []
+  private _after: Job[] = []
+  private _locked = false
+  private readonly _flows: Flow[]
+  private readonly _manager: EventEmitter
+  private readonly _outcome: InvertedPromise<JobOutcome>
+  private readonly _label: string
+  private readonly debug: Debugger.Debugger
+
+  constructor(manager: EventEmitter, flows: Flow[], label: string) {
+    this._label = label
+    this._manager = manager
+    this._flows = flows
+    this._outcome = new InvertedPromise<JobOutcome>()
+    this._manager.on('run', this.run.bind(this))
+    this.debug = Debugger(`job:${this._label}`)
+  }
+
+  // Depend on another job to complete successfully
+  public requires(job: Job): Job {
+    if (this._locked) throw new Error('Job is locked')
+    if (job === this) throw new Error('Job Cannot depend on itself')
+    if (job.hasDependencyOn(this)) {
+      throw new Error('Job Circualr dependency')
+    }
+    this._required.push(job)
+    return this
+  }
+
+  // Depend on another job to complete (does not matter if it is successful)
+  public after(job: Job): Job {
+    if (this._locked) throw new Error('Job is locked')
+    if (job === this) throw new Error('Job Cannot depend on itself')
+    if (job.hasDependencyOn(this)) {
+      throw new Error('Job Circualr dependency')
+    }
+    this._after.push(job)
+    return this
+  }
+
+  public then(job: Job): Job {
+    job.requires(this)
+    return job
+  }
+
+  public hasDependencyOn(job: Job): boolean {
+    return !!this._required.find((j) => j === job) || !!this._after.find((j) => j === job)
+  }
+
+  // configure to have flows run serially instead of in parallel
+  // public serially(): Job {
+  //   return this
+  // }
+
+  get outcome(): Promise<JobOutcome> {
+    return this._outcome.promise
+  }
+
+  get label(): string {
+    return this._label
+  }
+
+  private async run(jobProps: JobProps, resources: ResourceManager): Promise<void> {
+    // prevent any additional changes to configuration
+    this._locked = true
+
+    // wait for all required dependencies to complete successfully
+    const requiredOutcomes = await Promise.all(this._required.map((job) => job.outcome))
+    if (requiredOutcomes.find((outcome) => outcome !== JobOutcome.Succeeded)) {
+      this.debug('[Skipping] - Required jobs not successful!')
+      return this._outcome.resolve(JobOutcome.Skipped)
+    }
+
+    // Wait for other jobs to complete, irrespective of outcome
+    await Promise.all(this._after.map((job) => job.outcome))
+
+    this.debug('Running')
+    const flowRunResults = await Promise.allSettled(
+      this._flows.map(async (flow, index) => {
+        const locker = resources.createLocker()
+        try {
+          await flow({
+            api: jobProps.apiFactory.getApi(`${this.label}:${flow.name}-${index}`),
+            env: jobProps.env,
+            query: jobProps.query,
+            lock: locker.lock,
+          })
+        } catch (err) {
+          locker.release()
+          throw err
+        }
+        locker.release()
+      })
+    )
+
+    flowRunResults.forEach((result, ix) => {
+      if (result.status === 'rejected') {
+        this.debug(`flow ${ix} failed:`)
+        console.error(result.reason)
+      }
+    })
+
+    if (flowRunResults.find((result) => result.status === 'rejected')) {
+      this.debug('[Failed]')
+      this._outcome.resolve(JobOutcome.Failed)
+    } else {
+      this.debug('[Succeeded]')
+      this._outcome.resolve(JobOutcome.Succeeded)
+    }
+  }
+}

+ 55 - 0
tests/integration-tests/src/JobManager.ts

@@ -0,0 +1,55 @@
+import { EventEmitter } from 'events'
+import { Flow } from './Flow'
+import { Job, JobOutcome, JobProps } from './Job'
+import { ApiFactory } from './Api'
+import { QueryNodeApi } from './QueryNodeApi'
+import { ResourceManager } from './Resources'
+
+export class JobManager extends EventEmitter {
+  private _jobs: Job[] = []
+  private readonly _apiFactory: ApiFactory
+  private readonly _env: NodeJS.ProcessEnv
+  private readonly _query: QueryNodeApi
+
+  constructor({ apiFactory, env, query }: { apiFactory: ApiFactory; env: NodeJS.ProcessEnv; query: QueryNodeApi }) {
+    super()
+    this._apiFactory = apiFactory
+    this._env = env
+    this._query = query
+  }
+
+  public createJob(label: string, flows: Flow[] | Flow): Job {
+    const arrFlows: Array<Flow> = []
+    const job = new Job(this, arrFlows.concat(flows), label)
+
+    this._jobs.push(job)
+
+    return job
+  }
+
+  private getJobProps(): JobProps {
+    return {
+      env: this._env,
+      query: this._query,
+      apiFactory: this._apiFactory,
+    }
+  }
+
+  public async run(resources: ResourceManager): Promise<void> {
+    this.emit('run', this.getJobProps(), resources)
+
+    const outcomes = await Promise.all(this._jobs.map((job) => job.outcome))
+
+    // summary of job results
+    console.error('Job Results:')
+    outcomes.forEach((outcome, i) => {
+      const { label } = this._jobs[i]
+      console.error(`${label}: ${outcome}`)
+    })
+
+    const failed = outcomes.find((outcome) => outcome !== JobOutcome.Succeeded)
+    if (failed) {
+      throw new Error('Scenario Failed')
+    }
+  }
+}

+ 85 - 0
tests/integration-tests/src/QueryNodeApi.ts

@@ -0,0 +1,85 @@
+import { gql, ApolloClient, ApolloQueryResult, NormalizedCacheObject } from '@apollo/client'
+
+export class QueryNodeApi {
+  private readonly queryNodeProvider: ApolloClient<NormalizedCacheObject>
+
+  constructor(queryNodeProvider: ApolloClient<NormalizedCacheObject>) {
+    this.queryNodeProvider = queryNodeProvider
+  }
+
+  public async getChannelbyHandle(handle: string): Promise<ApolloQueryResult<any>> {
+    const GET_CHANNEL_BY_TITLE = gql`
+      query($handle: String!) {
+        channels(where: { handle_eq: $handle }) {
+          handle
+          description
+          coverPhotoUrl
+          avatarPhotoUrl
+          isPublic
+          isCurated
+          videos {
+            title
+            description
+            duration
+            thumbnailUrl
+            isExplicit
+            isPublic
+          }
+        }
+      }
+    `
+
+    return await this.queryNodeProvider.query({ query: GET_CHANNEL_BY_TITLE, variables: { handle } })
+  }
+
+  public async performFullTextSearchOnChannelTitle(text: string): Promise<ApolloQueryResult<any>> {
+    const FULL_TEXT_SEARCH_ON_CHANNEL_TITLE = gql`
+      query($text: String!) {
+        search(text: $text) {
+          item {
+            ... on Channel {
+              handle
+              description
+            }
+          }
+        }
+      }
+    `
+
+    return await this.queryNodeProvider.query({ query: FULL_TEXT_SEARCH_ON_CHANNEL_TITLE, variables: { text } })
+  }
+
+  public async performFullTextSearchOnVideoTitle(text: string): Promise<ApolloQueryResult<any>> {
+    const FULL_TEXT_SEARCH_ON_VIDEO_TITLE = gql`
+      query($text: String!) {
+        search(text: $text) {
+          item {
+            ... on Video {
+              title
+            }
+          }
+        }
+      }
+    `
+
+    return await this.queryNodeProvider.query({ query: FULL_TEXT_SEARCH_ON_VIDEO_TITLE, variables: { text } })
+  }
+
+  public async performWhereQueryByVideoTitle(title: string): Promise<ApolloQueryResult<any>> {
+    const WHERE_QUERY_ON_VIDEO_TITLE = gql`
+      query($title: String!) {
+        videos(where: { title_eq: $title }) {
+          media {
+            location {
+              __typename
+              ... on JoystreamMediaLocation {
+                dataObjectId
+              }
+            }
+          }
+        }
+      }
+    `
+    return await this.queryNodeProvider.query({ query: WHERE_QUERY_ON_VIDEO_TITLE, variables: { title } })
+  }
+}

+ 94 - 0
tests/integration-tests/src/Resources.ts

@@ -0,0 +1,94 @@
+import { assert } from 'chai'
+import { Utils } from './utils'
+import Debugger from 'debug'
+
+const debug = Debugger('resources')
+
+type NamedLocks = Record<Resource, Lock>
+export type ResourceLocker = (resource: Resource, timeout?: number) => Promise<() => void>
+
+class Lock {
+  private name: string
+
+  // the number of concurrent locks that can be acquired concurrently before the resource
+  // becomes unavailable until a lock is released.
+  private readonly concurrency: number
+  private lockCount = 0
+
+  constructor(key: string, concurrency?: number) {
+    this.name = key
+    this.concurrency = concurrency || 1
+  }
+
+  public async lock(timeoutMinutes = 2): Promise<() => void> {
+    const timeoutAt = Date.now() + timeoutMinutes * 60 * 1000
+
+    while (this.lockCount === this.concurrency) {
+      debug(`waiting for ${this.name}`)
+      await Utils.wait(30000)
+      if (Date.now() > timeoutAt) throw new Error(`Timeout getting resource lock: ${this.name}`)
+    }
+
+    debug(`acquired ${this.name}`)
+    this.lockCount++
+
+    // Return a function used to release the lock
+    return (() => {
+      let called = false
+      return () => {
+        if (called) return
+        called = true
+        debug(`released ${this.name}`)
+        this.lockCount--
+      }
+    })()
+  }
+}
+
+export enum Resource {
+  Council = 'Council',
+  Proposals = 'Proposals',
+}
+
+export class ResourceManager {
+  // Internal Map
+  private resources = new Map<string, Lock>()
+
+  private readonly locks: NamedLocks
+
+  constructor() {
+    this.locks = this.createNamedLocks()
+  }
+
+  private add(key: string, concurrency?: number): Lock {
+    assert(!this.resources.has(key))
+    this.resources.set(key, new Lock(key, concurrency))
+    return this.resources.get(key) as Lock
+  }
+
+  private createNamedLocks(): NamedLocks {
+    return {
+      [Resource.Council]: this.add(Resource.Council),
+      // We assume that a flow will only have one active proposal at a time
+      // Runtime is configured for MaxActiveProposalLimit = 5
+      // So we should ensure we don't exceed that number of active proposals
+      // which limits the number of concurrent tests that create proposals
+      [Resource.Proposals]: this.add(Resource.Proposals, 5),
+    }
+  }
+
+  public createLocker(): { release: () => void; lock: ResourceLocker } {
+    const unlockers: Array<() => void> = []
+    const release = () => {
+      unlockers.forEach((unlock) => unlock())
+    }
+    return {
+      release,
+      lock: async (resource: Resource, timeout?: number) => {
+        const unlock = await this.locks[resource].lock(timeout)
+        unlockers.push(unlock)
+        return unlock
+      },
+    }
+  }
+}

+ 63 - 0
tests/integration-tests/src/Scenario.ts

@@ -0,0 +1,63 @@
+import { WsProvider } from '@polkadot/api'
+import { ApiFactory } from './Api'
+import { QueryNodeApi } from './QueryNodeApi'
+import { config } from 'dotenv'
+import { ApolloClient, InMemoryCache, HttpLink } from '@apollo/client'
+import Debugger from 'debug'
+import { Flow } from './Flow'
+import { Job } from './Job'
+import { JobManager } from './JobManager'
+import { ResourceManager } from './Resources'
+import fetch from 'cross-fetch'
+
+export type ScenarioProps = {
+  env: NodeJS.ProcessEnv
+  debug: Debugger.Debugger
+  job: (label: string, flows: Flow[] | Flow) => Job
+}
+
+export async function scenario(scene: (props: ScenarioProps) => Promise<void>): Promise<void> {
+  // Load env variables
+  config()
+  const env = process.env
+
+  // Connect api to the chain
+  const nodeUrl: string = env.NODE_URL || 'ws://127.0.0.1:9944'
+  const provider = new WsProvider(nodeUrl)
+
+  const apiFactory = await ApiFactory.create(
+    provider,
+    env.TREASURY_ACCOUNT_URI || '//Alice',
+    env.SUDO_ACCOUNT_URI || '//Alice'
+  )
+
+  const queryNodeUrl: string = env.QUERY_NODE_URL || 'http://127.0.0.1:8081/graphql'
+
+  const queryNodeProvider = new ApolloClient({
+    link: new HttpLink({ uri: queryNodeUrl, fetch }),
+    // uri: queryNodeUrl,
+    cache: new InMemoryCache(),
+    defaultOptions: { query: { fetchPolicy: 'no-cache', errorPolicy: 'all' } },
+  })
+
+  const query = new QueryNodeApi(queryNodeProvider)
+
+  const debug = Debugger('scenario')
+
+  const jobs = new JobManager({ apiFactory, query, env })
+
+  await scene({ env, debug, job: jobs.createJob.bind(jobs) })
+
+  const resources = new ResourceManager()
+
+  try {
+    await jobs.run(resources)
+  } catch (err) {
+    console.error(err)
+    process.exit(-1)
+  }
+
+  // Note: disconnecting and then reconnecting to the chain in the same process
+  // doesn't seem to work!
+  apiFactory.close()
+}

+ 149 - 0
tests/integration-tests/src/sender.ts

@@ -0,0 +1,149 @@
+import { ApiPromise, Keyring } from '@polkadot/api'
+import { SubmittableExtrinsic } from '@polkadot/api/types'
+import { ISubmittableResult, AnyJson } from '@polkadot/types/types/'
+import { AccountId, EventRecord } from '@polkadot/types/interfaces'
+import { DispatchError, DispatchResult } from '@polkadot/types/interfaces/system'
+import { TypeRegistry } from '@polkadot/types'
+import { KeyringPair } from '@polkadot/keyring/types'
+import Debugger from 'debug'
+import AsyncLock from 'async-lock'
+import { assert } from 'chai'
+
+export enum LogLevel {
+  None,
+  Debug,
+  Verbose,
+}
+
+export class Sender {
+  private readonly api: ApiPromise
+  private static readonly asyncLock: AsyncLock = new AsyncLock()
+  private readonly keyring: Keyring
+  private readonly debug: Debugger.Debugger
+  private logs: LogLevel = LogLevel.None
+  private static instance = 0
+
+  constructor(api: ApiPromise, keyring: Keyring, label: string) {
+    this.api = api
+    this.keyring = keyring
+    this.debug = Debugger(`Sender:${Sender.instance++}:${label}`)
+  }
+
+  // Synchronize all sending of transactions into mempool, so we can always safely read
+  // the next account nonce taking mempool into account. This is safe as long as all sending of transactions
+  // from same account occurs in the same process. Returns a promise of the Extrinsic Dispatch Result ISubmittableResult.
+  // The promise resolves on tx finalization (For both Dispatch success and failure)
+  // The promise is rejected if transaction is rejected by node.
+
+  public setLogLevel(level: LogLevel): void {
+    this.logs = level
+  }
+
+  public async signAndSend(
+    tx: SubmittableExtrinsic<'promise'>,
+    account: AccountId | string
+  ): Promise<ISubmittableResult> {
+    const addr = this.keyring.encodeAddress(account)
+    const senderKeyPair: KeyringPair = this.keyring.getPair(addr)
+
+    let finalized: { (result: ISubmittableResult): void }
+    const whenFinalized: Promise<ISubmittableResult> = new Promise(async (resolve, reject) => {
+      finalized = resolve
+    })
+
+    // saved human representation of the signed tx, will be set before it is submitted.
+    // On error it is logged to help in debugging.
+    let sentTx: AnyJson
+
+    const handleEvents = (result: ISubmittableResult) => {
+      if (result.status.isFuture) {
+        // Its virtually impossible for us to continue with tests
+        // when this occurs and we don't expect the tests to handle this correctly
+        // so just abort!
+        console.error('Future Tx, aborting!')
+        process.exit(-1)
+      }
+
+      if (!result.status.isInBlock) {
+        return
+      }
+
+      const success = result.findRecord('system', 'ExtrinsicSuccess')
+      const failed = result.findRecord('system', 'ExtrinsicFailed')
+
+      // Log failed transactions
+      if (this.logs === LogLevel.Debug || this.logs === LogLevel.Verbose) {
+        if (failed) {
+          const record = failed as EventRecord
+          assert(record)
+          const {
+            event: { data },
+          } = record
+          const err = data[0] as DispatchError
+          if (err.isModule) {
+            try {
+              const { name } = this.api.registry.findMetaError(err.asModule)
+              this.debug('Dispatch Error:', name, sentTx)
+            } catch (findmetaerror) {
+              // example Error: findMetaError: Unable to find Error with index 0x1400/[{"index":20,"error":0}]
+              // Happens for dispatchable calls that don't explicitly use `-> DispatchResult` return value even
+              // if they return an error enum variant from the decl_error! macro
+              this.debug('Dispatch Error (error details not found):', err.asModule.toHuman(), sentTx)
+            }
+          } else {
+            this.debug('Dispatch Error:', err.toHuman(), sentTx)
+          }
+        } else {
+          assert(success)
+          const sudid = result.findRecord('sudo', 'Sudid')
+          if (sudid) {
+            const dispatchResult = sudid.event.data[0] as DispatchResult
+            assert(dispatchResult)
+            if (dispatchResult.isError) {
+              const err = dispatchResult.asError
+              if (err.isModule) {
+                try {
+                  const { name } = this.api.registry.findMetaError(err.asModule)
+                  this.debug('Sudo Dispatch Failed', name, sentTx)
+                } catch (findmetaerror) {
+                  // example Error: findMetaError: Unable to find Error with index 0x1400/[{"index":20,"error":0}]
+                  this.debug('Sudo Dispatch Failed (error details not found)', err.asModule.toHuman(), sentTx)
+                }
+              } else {
+                this.debug('Sudo Dispatch Failed', err.toHuman(), sentTx)
+              }
+            }
+          }
+        }
+      }
+
+      // Always resolve irrespective of success or failure. Error handling should
+      // be dealt with by caller.
+      if (success || failed) finalized(result)
+    }
+
+    // We used to do this: Sender.asyncLock.acquire(`${senderKeyPair.address}` ...
+    // Instead use a single lock for all calls, to force all transactions to be submitted in same order
+    // of call to signAndSend. Otherwise it raises chance of race conditions.
+    // It happens in rare cases and has lead some tests to fail occasionally in the past
+    await Sender.asyncLock.acquire('tx-queue', async () => {
+      const nonce = await this.api.rpc.system.accountNextIndex(senderKeyPair.address)
+      const signedTx = tx.sign(senderKeyPair, { nonce })
+      sentTx = signedTx.toHuman()
+      const { method, section } = signedTx.method
+      try {
+        await signedTx.send(handleEvents)
+        if (this.logs === LogLevel.Verbose) {
+          this.debug('Submitted tx:', `${section}.${method}`)
+        }
+      } catch (err) {
+        if (this.logs === LogLevel.Debug) {
+          this.debug('Submitting tx failed:', sentTx, err)
+        }
+        throw err
+      }
+    })
+
+    return whenFinalized
+  }
+}

+ 48 - 0
tests/integration-tests/src/utils.ts

@@ -0,0 +1,48 @@
+import { IExtrinsic } from '@polkadot/types/types'
+import { compactToU8a, stringToU8a } from '@polkadot/util'
+import { blake2AsHex } from '@polkadot/util-crypto'
+import BN from 'bn.js'
+import fs from 'fs'
+import { decodeAddress } from '@polkadot/keyring'
+
+export class Utils {
+  private static LENGTH_ADDRESS = 32 + 1 // publicKey + prefix
+  private static LENGTH_ERA = 2 // assuming mortals
+  private static LENGTH_SIGNATURE = 64 // assuming ed25519 or sr25519
+  private static LENGTH_VERSION = 1 // 0x80 & version
+
+  public static calcTxLength = (extrinsic?: IExtrinsic | null, nonce?: BN): BN => {
+    return new BN(
+      Utils.LENGTH_VERSION +
+        Utils.LENGTH_ADDRESS +
+        Utils.LENGTH_SIGNATURE +
+        Utils.LENGTH_ERA +
+        compactToU8a(nonce || 0).length +
+        (extrinsic ? extrinsic.encodedLength : 0)
+    )
+  }
+
+  /** hash(accountId + salt) */
+  public static hashVote(accountId: string, salt: string): string {
+    const accountU8a = decodeAddress(accountId)
+    const saltU8a = stringToU8a(salt)
+    const voteU8a = new Uint8Array(accountU8a.length + saltU8a.length)
+    voteU8a.set(accountU8a)
+    voteU8a.set(saltU8a, accountU8a.length)
+
+    const hash = blake2AsHex(voteU8a, 256)
+    return hash
+  }
+
+  public static wait(ms: number): Promise<void> {
+    return new Promise((resolve) => setTimeout(resolve, ms))
+  }
+
+  public static readRuntimeFromFile(path: string): string {
+    return '0x' + fs.readFileSync(path).toString('hex')
+  }
+
+  public static camelToSnakeCase(key: string): string {
+    return key.replace(/[A-Z]/g, (letter) => `_${letter.toLowerCase()}`)
+  }
+}

+ 18 - 0
tests/integration-tests/tsconfig.json

@@ -0,0 +1,18 @@
+{
+  "compilerOptions": {
+    "target": "esnext",
+    "module": "commonjs",
+    "outDir": "dist",
+    "rootDir": "src",
+    "strict": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "skipLibCheck": true,
+    "baseUrl": ".",
+    "resolveJsonModule": true,
+    "paths": {
+      "@polkadot/types/augment": ["../../types/augment-codec/augment-types.ts"],
+      "@polkadot/api/augment": [ "../../types/augment-codec/augment-api.ts"]
+    }
+  }
+}