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internal_method.spec.ts
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/*
* Copyright © 2022 Lisk Foundation
*
* See the LICENSE file at the top-level directory of this distribution
* for licensing information.
*
* Unless otherwise agreed in a custom licensing agreement with the Lisk Foundation,
* no part of this software, including this file, may be copied, modified,
* propagated, or distributed except according to the terms contained in the
* LICENSE file.
*
* Removal or modification of this copyright notice is prohibited.
*/
import * as cryptography from '@liskhq/lisk-cryptography';
import { bls, utils as cryptoUtils } from '@liskhq/lisk-cryptography';
import { regularMerkleTree } from '@liskhq/lisk-tree';
import { codec } from '@liskhq/lisk-codec';
import { SparseMerkleTree } from '@liskhq/lisk-db';
import { validator } from '@liskhq/lisk-validator';
import {
BLS_PUBLIC_KEY_LENGTH,
BLS_SIGNATURE_LENGTH,
CROSS_CHAIN_COMMAND_CHANNEL_TERMINATED,
CCMStatusCode,
CROSS_CHAIN_COMMAND_REGISTRATION,
EMPTY_BYTES,
EMPTY_HASH,
HASH_LENGTH,
MAX_NUM_VALIDATORS,
MAX_UINT64,
MESSAGE_TAG_CERTIFICATE,
MIN_RETURN_FEE_PER_BYTE_BEDDOWS,
MODULE_NAME_INTEROPERABILITY,
EMPTY_FEE_ADDRESS,
} from '../../../../src/modules/interoperability/constants';
import { MainchainInteroperabilityInternalMethod } from '../../../../src/modules/interoperability/mainchain/internal_method';
import * as utils from '../../../../src/modules/interoperability/utils';
import { Modules, Transaction, testing } from '../../../../src';
import { PrefixedStateReadWriter } from '../../../../src/state_machine/prefixed_state_read_writer';
import { InMemoryPrefixedStateDB } from '../../../../src/testing/in_memory_prefixed_state';
import { ChannelDataStore } from '../../../../src/modules/interoperability/stores/channel_data';
import {
outboxRootSchema,
OutboxRootStore,
} from '../../../../src/modules/interoperability/stores/outbox_root';
import {
TerminatedOutboxAccount,
TerminatedOutboxStore,
} from '../../../../src/modules/interoperability/stores/terminated_outbox';
import { ChainAccountStore } from '../../../../src/modules/interoperability/stores/chain_account';
import { TerminatedStateStore } from '../../../../src/modules/interoperability/stores/terminated_state';
import { StoreGetter } from '../../../../src/modules/base_store';
import { CommandExecuteContext, EventQueue, MethodContext } from '../../../../src/state_machine';
import { ChainAccountUpdatedEvent } from '../../../../src/modules/interoperability/events/chain_account_updated';
import { TerminatedStateCreatedEvent } from '../../../../src/modules/interoperability/events/terminated_state_created';
import { createTransactionContext, createTransientMethodContext } from '../../../../src/testing';
import { ChainValidatorsStore } from '../../../../src/modules/interoperability/stores/chain_validators';
import {
certificateSchema,
unsignedCertificateSchema,
} from '../../../../src/engine/consensus/certificate_generation/schema';
import { OwnChainAccountStore } from '../../../../src/modules/interoperability/stores/own_chain_account';
import { Certificate } from '../../../../src/engine/consensus/certificate_generation/types';
import { TerminatedOutboxCreatedEvent } from '../../../../src/modules/interoperability/events/terminated_outbox_created';
import { createStoreGetter } from '../../../../src/testing/utils';
import { InvalidCertificateSignatureEvent } from '../../../../src/modules/interoperability/events/invalid_certificate_signature';
import { EVENT_TOPIC_TRANSACTION_EXECUTION } from '../../../../src/state_machine/constants';
import { InvalidOutboxRootVerificationEvent } from '../../../../src/modules/interoperability/events/invalid_outbox_root_verification';
import {
ccmSchema,
crossChainUpdateTransactionParams,
} from '../../../../src/modules/interoperability/schemas';
import { InvalidSMTVerificationEvent } from '../../../../src/modules/interoperability/events/invalid_smt_verification';
import { CCM_STATUS_OK } from '../../../../src/modules/token/constants';
describe('Base interoperability internal method', () => {
const interopMod = new Modules.Interoperability.MainchainInteroperabilityModule();
const chainID = Buffer.from('01', 'hex');
const appendData = Buffer.from(
'0c4c839c0fd8155fd0d52efc7dd29d2a71919dee517d50967cd26f4db2e0d1c5b',
'hex',
);
const ccm = {
nonce: BigInt(0),
module: 'token',
crossChainCommand: 'crossChainTransfer',
sendingChainID: cryptoUtils.intToBuffer(2, 4),
receivingChainID: cryptoUtils.intToBuffer(3, 4),
fee: BigInt(1),
status: 1,
params: Buffer.alloc(0),
};
const defaultCertificate: Certificate = {
blockID: cryptography.utils.getRandomBytes(HASH_LENGTH),
height: 101,
stateRoot: Buffer.alloc(HASH_LENGTH),
timestamp: Math.floor(Date.now() / 1000),
validatorsHash: cryptography.utils.getRandomBytes(HASH_LENGTH),
aggregationBits: cryptography.utils.getRandomBytes(1),
signature: cryptography.utils.getRandomBytes(BLS_SIGNATURE_LENGTH),
};
const inboxTree = {
root: Buffer.from('7f9d96a09a3fd17f3478eb7bef3a8bda00e1238b', 'hex'),
appendPath: [
Buffer.from('6d391e95b7cb484862aa577320dbb4999971569e0b7c21fc02e9fda4d1d8485c', 'hex'),
],
size: 1,
};
const updatedInboxTree = {
root: Buffer.from('888d96a09a3fd17f3478eb7bef3a8bda00e1238b', 'hex'),
appendPath: [
Buffer.from('aaaa1e95b7cb484862aa577320dbb4999971569e0b7c21fc02e9fda4d1d8485c', 'hex'),
],
size: 2,
};
const outboxTree = {
root: Buffer.from('7f9d96a09a3fd17f3478eb7bef3a8bda00e1238b', 'hex'),
appendPath: [
Buffer.from('6d391e95b7cb484862aa577320dbb4999971569e0b7c21fc02e9fda4d1d8485c', 'hex'),
],
size: 1,
};
const updatedOutboxTree = {
root: Buffer.from('888d96a09a3fd17f3478eb7bef3a8bda00e1238b', 'hex'),
appendPath: [
Buffer.from('aaaa1e95b7cb484862aa577320dbb4999971569e0b7c21fc02e9fda4d1d8485c', 'hex'),
],
size: 2,
};
const channelData = {
inbox: inboxTree,
outbox: outboxTree,
partnerChainOutboxRoot: Buffer.alloc(0),
messageFeeTokenID: Buffer.from('0000000000000011', 'hex'),
minReturnFeePerByte: MIN_RETURN_FEE_PER_BYTE_BEDDOWS,
};
const chainAccount = {
name: 'account1',
lastCertificate: {
height: 567467,
timestamp: 2592000,
stateRoot: Buffer.alloc(0),
validatorsHash: Buffer.alloc(0),
},
status: 2739,
};
const ccuParams = {
activeValidatorsUpdate: {
blsKeysUpdate: [],
bftWeightsUpdate: [],
bftWeightsUpdateBitmap: Buffer.from([]),
},
certificate: Buffer.alloc(0),
inboxUpdate: {
crossChainMessages: [],
messageWitnessHashes: [],
outboxRootWitness: {
bitmap: Buffer.alloc(0),
siblingHashes: [],
},
},
certificateThreshold: BigInt(9),
sendingChainID: cryptoUtils.getRandomBytes(4),
};
let mainchainInteroperabilityInternalMethod: MainchainInteroperabilityInternalMethod;
let channelDataSubstore: ChannelDataStore;
let outboxRootSubstore: OutboxRootStore;
let terminatedOutboxSubstore: TerminatedOutboxStore;
let stateStore: PrefixedStateReadWriter;
let chainDataSubstore: ChainAccountStore;
let chainValidatorsSubstore: ChainValidatorsStore;
let terminatedStateSubstore: TerminatedStateStore;
let ownChainAccountSubstore: OwnChainAccountStore;
let methodContext: MethodContext;
let storeContext: StoreGetter;
let ownChainAccount: Modules.Interoperability.OwnChainAccount;
beforeEach(async () => {
ownChainAccount = {
chainID: Buffer.from('04000000'),
name: 'mainchain',
nonce: BigInt(1),
};
stateStore = new PrefixedStateReadWriter(new InMemoryPrefixedStateDB());
regularMerkleTree.calculateMerkleRoot = jest.fn().mockReturnValue(updatedOutboxTree);
ownChainAccountSubstore = interopMod.stores.get(OwnChainAccountStore);
channelDataSubstore = interopMod.stores.get(ChannelDataStore);
jest.spyOn(channelDataSubstore, 'set');
outboxRootSubstore = interopMod.stores.get(OutboxRootStore);
jest.spyOn(outboxRootSubstore, 'set');
jest.spyOn(outboxRootSubstore, 'del');
terminatedOutboxSubstore = interopMod.stores.get(TerminatedOutboxStore);
chainValidatorsSubstore = interopMod.stores.get(ChainValidatorsStore);
// jest.spyOn(terminatedOutboxSubstore, 'set');
chainDataSubstore = interopMod.stores.get(ChainAccountStore);
jest.spyOn(chainDataSubstore, 'set');
terminatedStateSubstore = interopMod.stores.get(TerminatedStateStore);
mainchainInteroperabilityInternalMethod = new MainchainInteroperabilityInternalMethod(
interopMod.stores,
interopMod.events,
new Map(),
);
const defaultTopic = Buffer.concat([
EVENT_TOPIC_TRANSACTION_EXECUTION,
cryptoUtils.hash(cryptoUtils.getRandomBytes(1)),
]);
methodContext = createTransientMethodContext({
stateStore,
eventQueue: new EventQueue(0, [], [defaultTopic]),
});
// Adding transaction ID as default topic
storeContext = createStoreGetter(stateStore);
await channelDataSubstore.set(methodContext, chainID, channelData);
await ownChainAccountSubstore.set(methodContext, EMPTY_BYTES, ownChainAccount);
jest.spyOn(validator, 'validate');
});
describe('appendToInboxTree', () => {
it('should update the channel store with the new inbox tree info', async () => {
const { inbox: originalInbox } = await channelDataSubstore.get(methodContext, chainID);
// Act
await mainchainInteroperabilityInternalMethod.appendToInboxTree(
methodContext,
chainID,
appendData,
);
// Assert
expect(channelDataSubstore.set).toHaveBeenCalledWith(expect.anything(), chainID, {
...channelData,
inbox: updatedInboxTree,
});
const { inbox } = await channelDataSubstore.get(methodContext, chainID);
expect(inbox.size).toBe(originalInbox.size + 1);
expect(regularMerkleTree.calculateMerkleRoot).toHaveBeenCalledWith({
value: cryptoUtils.hash(appendData),
appendPath: originalInbox.appendPath,
size: originalInbox.size,
});
});
});
describe('appendToOutboxTree', () => {
it('should update the channel store with the new outbox tree info', async () => {
const { outbox: originalOutbox } = await channelDataSubstore.get(methodContext, chainID);
// Act
await mainchainInteroperabilityInternalMethod.appendToOutboxTree(
methodContext,
chainID,
appendData,
);
// Assert
expect(channelDataSubstore.set).toHaveBeenCalledWith(expect.anything(), chainID, {
...channelData,
outbox: updatedOutboxTree,
});
const { outbox } = await channelDataSubstore.get(methodContext, chainID);
expect(outbox.size).toBe(originalOutbox.size + 1);
expect(regularMerkleTree.calculateMerkleRoot).toHaveBeenCalledWith({
value: cryptoUtils.hash(appendData),
appendPath: originalOutbox.appendPath,
size: originalOutbox.size,
});
});
});
describe('addToOutbox', () => {
it('should update the outbox tree root store with the new outbox root', async () => {
// Act
await mainchainInteroperabilityInternalMethod.addToOutbox(methodContext, chainID, ccm);
// Assert
expect(outboxRootSubstore.set).toHaveBeenCalledWith(expect.anything(), chainID, {
root: updatedOutboxTree.root,
});
const { outbox } = await channelDataSubstore.get(methodContext, chainID);
expect(outbox.size).toBe(outboxTree.size + 1);
expect(outbox.root).toStrictEqual(updatedOutboxTree.root);
expect(outbox.appendPath).toStrictEqual(updatedOutboxTree.appendPath);
});
});
describe('createTerminatedOutboxAccount', () => {
const terminatedOutboxCreatedEventMock = {
log: jest.fn(),
};
interopMod.events.register(
TerminatedOutboxCreatedEvent,
terminatedOutboxCreatedEventMock as never,
);
it('should initialise terminated outbox account in store', async () => {
const partnerChainInboxSize = 2;
// Act
await mainchainInteroperabilityInternalMethod.createTerminatedOutboxAccount(
methodContext,
chainID,
outboxTree.root,
outboxTree.size,
partnerChainInboxSize,
);
// Assert
await expect(terminatedOutboxSubstore.get(methodContext, chainID)).resolves.toEqual({
outboxRoot: outboxTree.root,
outboxSize: outboxTree.size,
partnerChainInboxSize,
});
expect(terminatedOutboxCreatedEventMock.log).toHaveBeenCalledTimes(1);
});
});
describe('createTerminatedStateAccount', () => {
const chainId = cryptoUtils.intToBuffer(5, 4);
const stateRoot = Buffer.from('888d96a09a3fd17f3478eb7bef3a8bda00e1238b', 'hex');
const ownChainAccountMainchain = {
name: 'mainchain',
chainID: utils.getMainchainID(chainId),
nonce: BigInt('0'),
};
const ownChainAccount1 = {
name: 'chain1',
chainID: cryptoUtils.intToBuffer(7, 4),
nonce: BigInt('0'),
};
const crossChainMessageContext = testing.createCrossChainMessageContext({
ccm,
});
let chainAccountUpdatedEvent: ChainAccountUpdatedEvent;
let terminatedStateCreatedEvent: TerminatedStateCreatedEvent;
beforeEach(() => {
chainAccountUpdatedEvent = interopMod.events.get(ChainAccountUpdatedEvent);
terminatedStateCreatedEvent = interopMod.events.get(TerminatedStateCreatedEvent);
jest.spyOn(chainAccountUpdatedEvent, 'log');
jest.spyOn(terminatedStateCreatedEvent, 'log');
});
it('should set appropriate terminated state for chain id in the terminatedState sub store if chain account exists for the id and state root is provided', async () => {
jest.spyOn(chainDataSubstore, 'get').mockResolvedValue(chainAccount);
jest.spyOn(chainDataSubstore, 'has').mockResolvedValue(true);
await mainchainInteroperabilityInternalMethod.createTerminatedStateAccount(
crossChainMessageContext,
chainId,
stateRoot,
);
await expect(
terminatedStateSubstore.get(
createStoreGetter(crossChainMessageContext.stateStore as any),
chainId,
),
).resolves.toStrictEqual({
stateRoot,
mainchainStateRoot: EMPTY_HASH,
initialized: true,
});
expect(chainAccountUpdatedEvent.log).toHaveBeenCalledWith(
{ eventQueue: crossChainMessageContext.eventQueue },
chainId,
chainAccount,
);
expect(terminatedStateCreatedEvent.log).toHaveBeenCalledWith(
{ eventQueue: crossChainMessageContext.eventQueue },
chainId,
{
stateRoot,
mainchainStateRoot: EMPTY_HASH,
initialized: true,
},
);
expect(chainDataSubstore.set).toHaveBeenCalledWith(crossChainMessageContext, chainId, {
...chainAccount,
status: Modules.Interoperability.ChainStatus.TERMINATED,
});
expect(outboxRootSubstore.del).toHaveBeenCalledWith(crossChainMessageContext, chainId);
});
it('should set appropriate terminated state for chain id in the terminatedState sub store if chain account exists for the id but state root is not provided', async () => {
jest.spyOn(chainDataSubstore, 'get').mockResolvedValue(chainAccount);
jest.spyOn(chainDataSubstore, 'has').mockResolvedValue(true);
await mainchainInteroperabilityInternalMethod.createTerminatedStateAccount(
crossChainMessageContext,
chainId,
);
await expect(
terminatedStateSubstore.get(
createStoreGetter(crossChainMessageContext.stateStore as any),
chainId,
),
).resolves.toStrictEqual({
stateRoot: chainAccount.lastCertificate.stateRoot,
mainchainStateRoot: EMPTY_HASH,
initialized: true,
});
expect(chainDataSubstore.set).toHaveBeenCalledWith(crossChainMessageContext, chainId, {
...chainAccount,
status: Modules.Interoperability.ChainStatus.TERMINATED,
});
expect(outboxRootSubstore.del).toHaveBeenCalledWith(crossChainMessageContext, chainId);
expect(chainAccountUpdatedEvent.log).toHaveBeenCalled();
expect(terminatedStateCreatedEvent.log).toHaveBeenCalled();
});
it('should throw error if chain account does not exist for the id and ownchain account id is mainchain id', async () => {
const chainIdNew = cryptoUtils.intToBuffer(9, 4);
jest
.spyOn(interopMod.stores.get(OwnChainAccountStore), 'get')
.mockResolvedValue(ownChainAccountMainchain);
jest.spyOn(chainDataSubstore, 'has').mockResolvedValue(false);
await expect(
mainchainInteroperabilityInternalMethod.createTerminatedStateAccount(
crossChainMessageContext,
chainIdNew,
),
).rejects.toThrow('Chain to be terminated is not valid');
await expect(terminatedStateSubstore.has(crossChainMessageContext, chainIdNew)).resolves.toBe(
false,
);
});
it('should set appropriate terminated state for chain id if chain account does not exist for the id and stateRoot is EMPTY_HASH', async () => {
const chainIdNew = cryptoUtils.intToBuffer(10, 4);
jest
.spyOn(interopMod.stores.get(OwnChainAccountStore), 'get')
.mockResolvedValue(ownChainAccount1);
await chainDataSubstore.set(
createStoreGetter(crossChainMessageContext.stateStore as any),
utils.getMainchainID(ownChainAccount1.chainID),
chainAccount,
);
await mainchainInteroperabilityInternalMethod.createTerminatedStateAccount(
crossChainMessageContext,
chainIdNew,
);
await expect(
terminatedStateSubstore.get(crossChainMessageContext, chainIdNew),
).resolves.toStrictEqual({
stateRoot: EMPTY_HASH,
mainchainStateRoot: chainAccount.lastCertificate.stateRoot,
initialized: false,
});
expect(terminatedStateCreatedEvent.log).toHaveBeenCalledWith(
{ eventQueue: crossChainMessageContext.eventQueue },
chainIdNew,
{
stateRoot: EMPTY_HASH,
mainchainStateRoot: chainAccount.lastCertificate.stateRoot,
initialized: false,
},
);
});
it('should set appropriate terminated state for chain id if chain account does not exist for the id and stateRoot is not EMPTY_HASH', async () => {
const chainIdNew = cryptoUtils.intToBuffer(10, 4);
jest
.spyOn(interopMod.stores.get(OwnChainAccountStore), 'get')
.mockResolvedValue(ownChainAccount1);
await chainDataSubstore.set(
createStoreGetter(crossChainMessageContext.stateStore as any),
utils.getMainchainID(ownChainAccount1.chainID),
chainAccount,
);
await mainchainInteroperabilityInternalMethod.createTerminatedStateAccount(
crossChainMessageContext,
chainIdNew,
stateRoot,
);
await expect(
terminatedStateSubstore.get(crossChainMessageContext, chainIdNew),
).resolves.toStrictEqual({
stateRoot,
mainchainStateRoot: EMPTY_HASH,
initialized: true,
});
expect(terminatedStateCreatedEvent.log).toHaveBeenCalledWith(
{ eventQueue: crossChainMessageContext.eventQueue },
chainIdNew,
{
stateRoot,
mainchainStateRoot: EMPTY_HASH,
initialized: true,
},
);
});
});
describe('terminateChainInternal', () => {
const SIDECHAIN_ID = cryptoUtils.intToBuffer(2, 4);
const ccmLocal = {
nonce: BigInt(0),
module: 'token',
crossChainCommand: 'crossChainTransfer',
sendingChainID: cryptoUtils.intToBuffer(2, 4),
receivingChainID: cryptoUtils.intToBuffer(3, 4),
fee: BigInt(1),
status: 1,
params: Buffer.alloc(0),
};
const crossChainMessageContext = testing.createCrossChainMessageContext({
ccm: ccmLocal,
});
beforeEach(() => {
mainchainInteroperabilityInternalMethod.sendInternal = jest.fn();
mainchainInteroperabilityInternalMethod.createTerminatedStateAccount = jest.fn();
});
it('should not call sendInternal and createTerminatedStateAccount if terminatedState exists', async () => {
jest.spyOn(interopMod.stores.get(TerminatedStateStore), 'has').mockResolvedValue(true);
expect(
await mainchainInteroperabilityInternalMethod.terminateChainInternal(
crossChainMessageContext,
SIDECHAIN_ID,
),
).toBeUndefined();
expect(mainchainInteroperabilityInternalMethod.sendInternal).not.toHaveBeenCalled();
expect(
mainchainInteroperabilityInternalMethod.createTerminatedStateAccount,
).not.toHaveBeenCalled();
});
it('should call sendInternal and createTerminatedStateAccount if terminatedState does not exist', async () => {
jest.spyOn(interopMod.stores.get(TerminatedStateStore), 'has').mockResolvedValue(false);
expect(
await mainchainInteroperabilityInternalMethod.terminateChainInternal(
crossChainMessageContext,
SIDECHAIN_ID,
),
).toBeUndefined();
expect(mainchainInteroperabilityInternalMethod.sendInternal).toHaveBeenCalledWith(
crossChainMessageContext,
EMPTY_FEE_ADDRESS,
MODULE_NAME_INTEROPERABILITY,
CROSS_CHAIN_COMMAND_CHANNEL_TERMINATED,
SIDECHAIN_ID,
BigInt(0),
CCM_STATUS_OK,
EMPTY_BYTES,
);
expect(
mainchainInteroperabilityInternalMethod.createTerminatedStateAccount,
).toHaveBeenCalledWith(crossChainMessageContext, SIDECHAIN_ID);
});
});
describe('getTerminatedOutboxAccount', () => {
let terminatedChainID: Buffer;
let terminatedOutboxAccount: TerminatedOutboxAccount;
beforeEach(async () => {
terminatedChainID = cryptoUtils.getRandomBytes(32);
terminatedOutboxAccount = {
outboxRoot: Buffer.alloc(32),
outboxSize: 0,
partnerChainInboxSize: 1,
};
await terminatedOutboxSubstore.set(storeContext, terminatedChainID, terminatedOutboxAccount);
});
it('should successfully retrieve the account', async () => {
const account = await interopMod.stores
.get(TerminatedOutboxStore)
.get(storeContext, terminatedChainID);
expect(account).toEqual(terminatedOutboxAccount);
});
it('should throw when terminated outbox account does not exist', async () => {
await interopMod.stores.get(TerminatedOutboxStore).del(storeContext, terminatedChainID);
await expect(
interopMod.stores.get(TerminatedOutboxStore).get(storeContext, terminatedChainID),
).rejects.toThrow();
});
});
describe('setTerminatedOutboxAccount', () => {
let terminatedChainID: Buffer;
let terminatedOutboxAccount: TerminatedOutboxAccount;
beforeEach(async () => {
terminatedChainID = cryptoUtils.getRandomBytes(32);
terminatedOutboxAccount = {
outboxRoot: Buffer.alloc(32),
outboxSize: 0,
partnerChainInboxSize: 1,
};
await terminatedOutboxSubstore.set(storeContext, terminatedChainID, terminatedOutboxAccount);
});
it('should return false when outbox account does not exist', async () => {
// Assign
const isValueChanged = await interopMod.stores
.get(TerminatedOutboxStore)
.set(storeContext, terminatedChainID, {
outboxRoot: cryptoUtils.getRandomBytes(32),
} as any);
// Assert
expect(isValueChanged).toBeUndefined();
});
it('should return false when no params provided', async () => {
// Assign
const isValueChanged = await interopMod.stores
.get(TerminatedOutboxStore)
.set(storeContext, terminatedChainID, {
outboxRoot: cryptoUtils.getRandomBytes(32),
} as any);
// Assert
expect(isValueChanged).toBeUndefined();
});
describe('when setting a new value with the call', () => {
const testCases: { title: string; changedValues: Partial<TerminatedOutboxAccount> }[] = [
{
title: 'should change outboxRoot',
changedValues: {
outboxRoot: cryptoUtils.getRandomBytes(32),
},
},
{
title: 'should change outboxRoot and outboxSize',
changedValues: {
outboxRoot: cryptoUtils.getRandomBytes(32),
outboxSize: 2,
},
},
{
title: 'should change outboxRoot, outboxSize and partnerChainInboxSize',
changedValues: {
outboxRoot: cryptoUtils.getRandomBytes(32),
outboxSize: 3,
partnerChainInboxSize: 3,
},
},
];
it.each(testCases)('$title', async ({ changedValues }) => {
// Assign
const isValueChanged = await interopMod.stores
.get(TerminatedOutboxStore)
.set(storeContext, terminatedChainID, { ...terminatedOutboxAccount, ...changedValues });
const changedAccount = await terminatedOutboxSubstore.get(storeContext, terminatedChainID);
// Assert
expect(isValueChanged).toBeUndefined();
expect(changedAccount).toEqual({ ...terminatedOutboxAccount, ...changedValues });
});
});
});
describe('updateValidators', () => {
it('should update validators in ChainValidatorsStore', async () => {
jest.spyOn(interopMod.stores.get(ChainValidatorsStore), 'set');
const activeValidators = new Array(5).fill(0).map(() => ({
bftWeight: BigInt(1),
blsKey: cryptoUtils.getRandomBytes(BLS_PUBLIC_KEY_LENGTH),
}));
jest.spyOn(utils, 'calculateNewActiveValidators').mockReturnValue(activeValidators);
const activeValidatorsUpdate = {
blsKeysUpdate: [
cryptoUtils.getRandomBytes(48),
cryptoUtils.getRandomBytes(48),
cryptoUtils.getRandomBytes(48),
cryptoUtils.getRandomBytes(48),
].sort((v1, v2) => v1.compare(v2)),
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(4), BigInt(3)],
bftWeightsUpdateBitmap: Buffer.from([1, 0, 2]),
};
const ccu = {
...ccuParams,
activeValidatorsUpdate,
};
await interopMod.stores.get(ChainValidatorsStore).set(storeContext, ccu.sendingChainID, {
activeValidators: [],
certificateThreshold: BigInt(0),
});
await mainchainInteroperabilityInternalMethod.updateValidators(methodContext, ccu);
expect(utils.calculateNewActiveValidators).toHaveBeenCalledWith(
[],
activeValidatorsUpdate.blsKeysUpdate,
activeValidatorsUpdate.bftWeightsUpdate,
activeValidatorsUpdate.bftWeightsUpdateBitmap,
);
expect(interopMod.stores.get(ChainValidatorsStore).set).toHaveBeenCalledWith(
expect.anything(),
ccu.sendingChainID,
{
activeValidators,
certificateThreshold: ccu.certificateThreshold,
},
);
});
});
describe('updateCertificate', () => {
it('should update chain account with certificate and log event', async () => {
jest.spyOn(interopMod.events.get(ChainAccountUpdatedEvent), 'log');
jest.spyOn(interopMod.stores.get(ChainAccountStore), 'set');
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, defaultCertificate),
};
const certificate = {
lastCertificate: {
height: defaultCertificate.height,
stateRoot: defaultCertificate.stateRoot,
timestamp: defaultCertificate.timestamp,
validatorsHash: defaultCertificate.validatorsHash,
},
name: 'chain1',
status: 1,
};
await interopMod.stores
.get(ChainAccountStore)
.set(storeContext, ccuParams.sendingChainID, certificate);
await mainchainInteroperabilityInternalMethod.updateCertificate(methodContext, ccu);
expect(interopMod.stores.get(ChainAccountStore).set).toHaveBeenCalledWith(
expect.anything(),
ccu.sendingChainID,
certificate,
);
expect(interopMod.events.get(ChainAccountUpdatedEvent).log).toHaveBeenCalledWith(
expect.anything(),
ccu.sendingChainID,
certificate,
);
expect(validator.validate).toHaveBeenCalledWith(
certificateSchema,
expect.toBeObject() as Certificate,
);
});
});
describe('getChainValidators', () => {
it('should throw error if chain account does not exist', async () => {
await expect(
mainchainInteroperabilityInternalMethod.getChainValidators(
methodContext,
cryptoUtils.getRandomBytes(4),
),
).rejects.toThrow('Chain account does not exist.');
});
it('should return chain account', async () => {
const chainValidatorData = {
activeValidators: [{ blsKey: Buffer.from([0, 0, 2, 0]), bftWeight: BigInt(2) }],
certificateThreshold: BigInt(1),
};
await chainDataSubstore.set(methodContext, chainID, chainAccount);
await chainValidatorsSubstore.set(methodContext, chainID, chainValidatorData);
await expect(
mainchainInteroperabilityInternalMethod.getChainValidators(methodContext, chainID),
).resolves.toEqual(chainValidatorData);
});
});
describe('updatePartnerChainOutboxRoot', () => {
it('should update partnerChainOutboxRoot in the channel', async () => {
jest.spyOn(interopMod.stores.get(ChannelDataStore), 'updatePartnerChainOutboxRoot');
const ccu = {
...ccuParams,
inboxUpdate: {
...ccuParams.inboxUpdate,
messageWitnessHashes: [cryptoUtils.getRandomBytes(HASH_LENGTH)],
},
};
await interopMod.stores.get(ChannelDataStore).set(storeContext, ccu.sendingChainID, {
inbox: {
appendPath: [cryptoUtils.getRandomBytes(HASH_LENGTH)],
root: cryptoUtils.getRandomBytes(HASH_LENGTH),
size: 1,
},
messageFeeTokenID: cryptoUtils.getRandomBytes(8),
outbox: {
appendPath: [cryptoUtils.getRandomBytes(HASH_LENGTH)],
root: cryptoUtils.getRandomBytes(32),
size: 1,
},
partnerChainOutboxRoot: cryptoUtils.getRandomBytes(HASH_LENGTH),
minReturnFeePerByte: MIN_RETURN_FEE_PER_BYTE_BEDDOWS,
});
await mainchainInteroperabilityInternalMethod.updatePartnerChainOutboxRoot(
methodContext,
ccu,
);
expect(
interopMod.stores.get(ChannelDataStore).updatePartnerChainOutboxRoot,
).toHaveBeenCalledWith(
expect.anything(),
ccu.sendingChainID,
ccu.inboxUpdate.messageWitnessHashes,
);
});
});
describe('verifyValidatorsUpdate', () => {
it('should reject if length of bftWeightsUpdateBitmap is too large', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, defaultCertificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),
Buffer.from([0, 0, 3, 0]),
],
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(4), BigInt(3)],
bftWeightsUpdateBitmap: Buffer.from([0, 7]),
},
};
const activeValidators = [{ blsKey: Buffer.from([0, 0, 2, 0]), bftWeight: BigInt(2) }];
await chainValidatorsSubstore.set(methodContext, ccu.sendingChainID, {
activeValidators,
certificateThreshold: BigInt(1),
});
// the bitmap for 1 active validator and 3 new validators fits into one byte
const expectedBitmapLength = 1;
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow(`Invalid bftWeightsUpdateBitmap. Expected length ${expectedBitmapLength}.`);
});
it('should reject if the validator list returned by calculateNewActiveValidators is empty', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, defaultCertificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),
Buffer.from([0, 0, 3, 0]),
],
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(4)],
// 7 corresponds to 0111
bftWeightsUpdateBitmap: Buffer.from([7]),
},
};
const existingKey = Buffer.from([0, 2, 3, 0]);
await chainValidatorsSubstore.set(methodContext, ccu.sendingChainID, {
activeValidators: [{ blsKey: existingKey, bftWeight: BigInt(2) }],
certificateThreshold: BigInt(1),
});
jest.spyOn(utils, 'calculateNewActiveValidators').mockReturnValue([]);
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow(
`Invalid validators array. It must have at least 1 element and at most ${MAX_NUM_VALIDATORS} elements.`,
);
});
it('should reject if the validator list returned by calculateNewActiveValidators has more than MAX_NUM_VALIDATORS entries', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, defaultCertificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),
Buffer.from([0, 0, 3, 0]),
],
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(4)],
// 7 corresponds to 0111
bftWeightsUpdateBitmap: Buffer.from([7]),
},
};
const existingKey = Buffer.from([0, 2, 3, 0]);
await chainValidatorsSubstore.set(methodContext, ccu.sendingChainID, {
activeValidators: [{ blsKey: existingKey, bftWeight: BigInt(2) }],
certificateThreshold: BigInt(1),
});
const newValidators = Array.from(new Array(MAX_NUM_VALIDATORS + 1)).map((_, index) => ({
blsKey: Buffer.from([0, 0, 0, index]),
bftWeight: BigInt(1),
}));
jest.spyOn(utils, 'calculateNewActiveValidators').mockReturnValue(newValidators);
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow(
`Invalid validators array. It must have at least 1 element and at most ${MAX_NUM_VALIDATORS} elements.`,
);
});
it('should reject if the certificate is empty', async () => {
const ccu = {
...ccuParams,
certificate: Buffer.alloc(0),
};
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow('Certificate must be non-empty if validators have been updated');
});
it('should reject if BLS keys are not sorted lexicographically', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, defaultCertificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 3, 0]),
Buffer.from([0, 0, 0, 1]),
],
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(4), BigInt(3)],
bftWeightsUpdateBitmap: Buffer.from([51]),
},
};
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow('Keys are not sorted in lexicographic order');
});
it('should reject if blsKeysUpdate contains duplicate keys', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, defaultCertificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 3, 0]),
Buffer.from([0, 0, 3, 0]),
],
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(4)],
bftWeightsUpdateBitmap: Buffer.from([14]),
},
};
await chainValidatorsSubstore.set(methodContext, ccu.sendingChainID, {
activeValidators: [{ blsKey: Buffer.from([0, 0, 2, 0]), bftWeight: BigInt(2) }],
certificateThreshold: BigInt(1),
});
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow('Keys have duplicated entry');
});
it('should reject if BLS keys are not unique', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, defaultCertificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),