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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 { utils as cryptoUtils } from '@liskhq/lisk-cryptography';
import * as cryptography from '@liskhq/lisk-cryptography';
import { regularMerkleTree } from '@liskhq/lisk-tree';
import { codec } from '@liskhq/lisk-codec';
import { SparseMerkleTree } from '@liskhq/lisk-db';
import {
BLS_PUBLIC_KEY_LENGTH,
EMPTY_HASH,
HASH_LENGTH,
MESSAGE_TAG_CERTIFICATE,
MIN_RETURN_FEE_PER_BYTE_LSK,
} from '../../../../src/modules/interoperability/constants';
import { MainchainInteroperabilityInternalMethod } from '../../../../src/modules/interoperability/mainchain/internal_method';
import * as utils from '../../../../src/modules/interoperability/utils';
import { MainchainInteroperabilityModule, testing } from '../../../../src';
import { CrossChainUpdateTransactionParams } from '../../../../src/modules/interoperability/types';
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 { 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 { 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';
describe('Base interoperability internal method', () => {
const interopMod = new 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 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_LSK,
};
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(99),
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 methodContext: MethodContext;
let storeContext: StoreGetter;
beforeEach(async () => {
stateStore = new PrefixedStateReadWriter(new InMemoryPrefixedStateDB());
regularMerkleTree.calculateMerkleRoot = jest.fn().mockReturnValue(updatedOutboxTree);
channelDataSubstore = interopMod.stores.get(ChannelDataStore);
jest.spyOn(channelDataSubstore, 'set');
outboxRootSubstore = interopMod.stores.get(OutboxRootStore);
jest.spyOn(outboxRootSubstore, 'set');
terminatedOutboxSubstore = interopMod.stores.get(TerminatedOutboxStore);
chainValidatorsSubstore = interopMod.stores.get(ChainValidatorsStore);
// jest.spyOn(terminatedOutboxSubstore, 'set');
chainDataSubstore = interopMod.stores.get(ChainAccountStore);
terminatedStateSubstore = interopMod.stores.get(TerminatedStateStore);
mainchainInteroperabilityInternalMethod = new MainchainInteroperabilityInternalMethod(
interopMod.stores,
interopMod.events,
new Map(),
);
methodContext = createTransientMethodContext({ stateStore });
storeContext = createStoreGetter(stateStore);
await channelDataSubstore.set(methodContext, chainID, channelData);
});
describe('appendToInboxTree', () => {
it('should update the channel store with the new inbox tree info', async () => {
// Act
await mainchainInteroperabilityInternalMethod.appendToInboxTree(
methodContext,
chainID,
appendData,
);
// Assert
expect(channelDataSubstore.set).toHaveBeenCalledWith(expect.anything(), chainID, {
...channelData,
inbox: updatedInboxTree,
});
});
});
describe('appendToOutboxTree', () => {
it('should update the channel store with the new outbox tree info', async () => {
// Act
await mainchainInteroperabilityInternalMethod.appendToOutboxTree(
methodContext,
chainID,
appendData,
);
// Assert
expect(channelDataSubstore.set).toHaveBeenCalledWith(expect.anything(), chainID, {
...channelData,
outbox: updatedOutboxTree,
});
});
});
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,
});
});
});
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,
},
);
});
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,
});
});
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');
});
it('should set appropriate terminated state for chain id in the terminatedState sub store if chain account does not exist for the id and ownchain account id is not the same as mainchain id', 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,
},
);
});
});
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).toHaveBeenCalled();
expect(
mainchainInteroperabilityInternalMethod.createTerminatedStateAccount,
).toHaveBeenCalled();
});
});
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,
},
},
];
// TODO: I have no idea why `$title` is not working, fix this
it.each(testCases)('$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 certificate = {
blockID: cryptoUtils.getRandomBytes(HASH_LENGTH),
height: 120,
stateRoot: cryptoUtils.getRandomBytes(HASH_LENGTH),
timestamp: 1212,
validatorsHash: cryptoUtils.getRandomBytes(HASH_LENGTH),
aggregationBits: cryptoUtils.getRandomBytes(2),
signature: cryptoUtils.getRandomBytes(64),
};
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
};
await interopMod.stores.get(ChainAccountStore).set(storeContext, ccuParams.sendingChainID, {
lastCertificate: {
height: 20,
stateRoot: cryptoUtils.getRandomBytes(HASH_LENGTH),
timestamp: 99,
validatorsHash: cryptoUtils.getRandomBytes(HASH_LENGTH),
},
name: 'chain1',
status: 1,
});
await mainchainInteroperabilityInternalMethod.updateCertificate(methodContext, ccu);
expect(interopMod.stores.get(ChainAccountStore).set).toHaveBeenCalledWith(
expect.anything(),
ccu.sendingChainID,
expect.objectContaining({
lastCertificate: {
height: certificate.height,
stateRoot: certificate.stateRoot,
timestamp: certificate.timestamp,
validatorsHash: certificate.validatorsHash,
},
}),
);
expect(interopMod.events.get(ChainAccountUpdatedEvent).log).toHaveBeenCalledWith(
expect.anything(),
ccu.sendingChainID,
expect.objectContaining({
lastCertificate: {
height: certificate.height,
stateRoot: certificate.stateRoot,
timestamp: certificate.timestamp,
validatorsHash: certificate.validatorsHash,
},
}),
);
});
});
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_LSK,
});
await mainchainInteroperabilityInternalMethod.updatePartnerChainOutboxRoot(
methodContext,
ccu,
);
expect(
interopMod.stores.get(ChannelDataStore).updatePartnerChainOutboxRoot,
).toHaveBeenCalledWith(
expect.anything(),
ccu.sendingChainID,
ccu.inboxUpdate.messageWitnessHashes,
);
});
});
describe('verifyValidatorsUpdate', () => {
const certificate = {
blockID: cryptoUtils.getRandomBytes(32),
height: 120,
stateRoot: cryptoUtils.getRandomBytes(32),
timestamp: 1212,
validatorsHash: cryptoUtils.getRandomBytes(32),
aggregationBits: cryptoUtils.getRandomBytes(2),
signature: cryptoUtils.getRandomBytes(64),
};
it('shoud 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('shoud reject if BLS keys are not sorted lexicographically', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
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 lexicographic order');
});
it('shoud reject if blsKyesUpdate contains duplicate keys', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
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('shoud reject if BLS keys are not unique', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),
Buffer.from([0, 0, 2, 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('shoud reject if bftWeightsUpdateBitmap does not corresponds to the bftWeightsUpdateBitmap', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),
Buffer.from([0, 0, 2, 0]),
],
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(4)],
// 9 corresponds to 1001
bftWeightsUpdateBitmap: Buffer.from([9]),
},
};
await chainValidatorsSubstore.set(methodContext, ccu.sendingChainID, {
activeValidators: [{ blsKey: Buffer.from([0, 2, 3, 0]), bftWeight: BigInt(2) }],
certificateThreshold: BigInt(1),
});
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow(
'The number of 1s in the bitmap is not equal to the number of new BFT weights.',
);
});
it('shoud reject if new validator does not have bft weight', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),
Buffer.from([0, 0, 2, 0]),
],
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(3)],
// 11 corresponds to 1011
bftWeightsUpdateBitmap: Buffer.from([11]),
},
};
await chainValidatorsSubstore.set(methodContext, ccu.sendingChainID, {
activeValidators: [{ blsKey: Buffer.from([0, 2, 3, 0]), bftWeight: BigInt(2) }],
certificateThreshold: BigInt(1),
});
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow('New validators must have a BFT weight update.');
});
it('shoud reject if new validator have bft weight = 0', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),
Buffer.from([0, 0, 2, 0]),
],
bftWeightsUpdate: [BigInt(1), BigInt(3), BigInt(0)],
// 7 corresponds to 0111
bftWeightsUpdateBitmap: Buffer.from([7]),
},
};
await chainValidatorsSubstore.set(methodContext, ccu.sendingChainID, {
activeValidators: [{ blsKey: Buffer.from([0, 2, 3, 0]), bftWeight: BigInt(2) }],
certificateThreshold: BigInt(1),
});
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow('New validators must have a positive BFT weight.');
});
it('shoud reject new validatorsHash does not match with certificate', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
activeValidatorsUpdate: {
blsKeysUpdate: [
Buffer.from([0, 0, 0, 0]),
Buffer.from([0, 0, 0, 1]),
Buffer.from([0, 0, 2, 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 = [
{ blsKey: Buffer.from([0, 0, 0, 0]), bftWeight: BigInt(1) },
{ blsKey: Buffer.from([0, 0, 0, 1]), bftWeight: BigInt(3) },
{ blsKey: Buffer.from([0, 0, 3, 0]), bftWeight: BigInt(4) },
{ blsKey: existingKey, bftWeight: BigInt(2) },
];
jest.spyOn(utils, 'calculateNewActiveValidators').mockReturnValue(newValidators);
jest.spyOn(utils, 'computeValidatorsHash');
await interopMod.stores.get(ChainValidatorsStore).set(storeContext, ccu.sendingChainID, {
activeValidators: [],
certificateThreshold: BigInt(0),
});
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).rejects.toThrow('ValidatorsHash in certificate and the computed values do not match');
expect(utils.computeValidatorsHash).toHaveBeenCalledWith(
newValidators,
ccu.certificateThreshold,
);
});
it('shoud resolve if updates are valid', async () => {
const ccu = {
...ccuParams,
certificate: codec.encode(certificateSchema, certificate),
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 = [
{ blsKey: Buffer.from([0, 0, 0, 0]), bftWeight: BigInt(1) },
{ blsKey: Buffer.from([0, 0, 0, 1]), bftWeight: BigInt(3) },
{ blsKey: Buffer.from([0, 0, 3, 0]), bftWeight: BigInt(4) },
{ blsKey: existingKey, bftWeight: BigInt(2) },
];
jest.spyOn(utils, 'calculateNewActiveValidators').mockReturnValue(newValidators);
jest.spyOn(utils, 'computeValidatorsHash').mockReturnValue(certificate.validatorsHash);
await expect(
mainchainInteroperabilityInternalMethod.verifyValidatorsUpdate(methodContext, ccu),
).resolves.toBeUndefined();
});
});
describe('verifyCertificate', () => {
const txParams: CrossChainUpdateTransactionParams = {
certificate: Buffer.alloc(0),
activeValidatorsUpdate: {
blsKeysUpdate: [],
bftWeightsUpdate: [],
bftWeightsUpdateBitmap: Buffer.from([]),
},
certificateThreshold: BigInt(10),
sendingChainID: cryptoUtils.getRandomBytes(4),
inboxUpdate: {
crossChainMessages: [],
messageWitnessHashes: [],
outboxRootWitness: {
bitmap: Buffer.alloc(0),
siblingHashes: [],
},
},
};
beforeEach(async () => {
await interopMod.stores.get(ChainAccountStore).set(methodContext, txParams.sendingChainID, {
lastCertificate: {
height: 100,
timestamp: 10,
stateRoot: cryptoUtils.getRandomBytes(HASH_LENGTH),
validatorsHash: cryptoUtils.getRandomBytes(HASH_LENGTH),
},
name: 'rand',
status: 0,
});
await interopMod.stores
.get(ChainValidatorsStore)
.set(methodContext, txParams.sendingChainID, {
certificateThreshold: BigInt(99),
activeValidators: [],
});
});
it('should reject when certificate height is lower than last certificate height', async () => {
const certificate: Certificate = {
blockID: cryptoUtils.getRandomBytes(20),
height: 100,
timestamp: Math.floor(Date.now() / 1000),
stateRoot: cryptoUtils.getRandomBytes(38),
validatorsHash: cryptoUtils.getRandomBytes(48),
aggregationBits: cryptoUtils.getRandomBytes(38),
signature: cryptoUtils.getRandomBytes(32),
};
const encodedCertificate = codec.encode(certificateSchema, certificate);
await expect(
mainchainInteroperabilityInternalMethod.verifyCertificate(
methodContext,
{
...txParams,
certificate: encodedCertificate,