84 lines
3.6 KiB
TypeScript
84 lines
3.6 KiB
TypeScript
import { blockchainTests } from '@0x/contracts-test-utils';
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import * as _ from 'lodash';
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import { Actor } from '../framework/actors/base';
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import { Maker } from '../framework/actors/maker';
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import { PoolOperator } from '../framework/actors/pool_operator';
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import { Taker } from '../framework/actors/taker';
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import { filterActorsByRole } from '../framework/actors/utils';
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import { AssertionResult } from '../framework/assertions/function_assertion';
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import { BlockchainBalanceStore } from '../framework/balances/blockchain_balance_store';
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import { DeploymentManager } from '../framework/deployment_manager';
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import { Simulation, SimulationEnvironment } from '../framework/simulation';
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import { Pseudorandom } from '../framework/utils/pseudorandom';
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import { PoolManagementSimulation } from './pool_management_test';
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export class MatchOrdersSimulation extends Simulation {
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protected async *_assertionGenerator(): AsyncIterableIterator<AssertionResult | void> {
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const { actors } = this.environment;
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const makers = filterActorsByRole(actors, Maker);
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const takers = filterActorsByRole(actors, Taker);
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const poolManagement = new PoolManagementSimulation(this.environment);
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const [actions, weights] = _.unzip([
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// 20% chance of executing validJoinStakingPool for a random maker
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...makers.map(maker => [maker.simulationActions.validJoinStakingPool, 0.2 / makers.length]),
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// 30% chance of executing matchOrders for a random taker
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...takers.map(taker => [taker.simulationActions.validMatchOrders, 0.3]),
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// 30% chance of executing matchOrders for a random taker
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...takers.map(taker => [taker.simulationActions.validMatchOrdersWithMaximalFill, 0.3]),
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// 20% chance of executing an assertion generated from the pool management simulation
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[poolManagement.generator, 0.2],
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]) as [Array<AsyncIterableIterator<AssertionResult | void>>, number[]];
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while (true) {
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const action = Pseudorandom.sample(actions, weights);
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yield (await action!.next()).value; // tslint:disable-line:no-non-null-assertion
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}
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}
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}
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blockchainTests('Match Orders fuzz test', env => {
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before(function(): void {
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if (process.env.FUZZ_TEST !== 'match_orders') {
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this.skip();
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}
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});
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after(async () => {
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Actor.reset();
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});
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it('fuzz', async () => {
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// Deploy contracts
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const deployment = await DeploymentManager.deployAsync(env, {
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numErc20TokensToDeploy: 4,
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numErc721TokensToDeploy: 0,
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numErc1155TokensToDeploy: 0,
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});
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// Set up balance store
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const balanceStore = new BlockchainBalanceStore({}, {});
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// Spin up actors
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const actors = [
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new Maker({ deployment, name: 'Maker 1' }),
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new Taker({ deployment, name: 'Taker 1' }),
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new PoolOperator({ deployment, name: 'PoolOperator 1' }),
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];
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// Set up simulation environment
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const simulationEnvironment = new SimulationEnvironment(deployment, balanceStore, actors);
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// Takers need to set a WETH allowance for the staking proxy in case they pay the protocol fee in WETH
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const takers = filterActorsByRole(actors, Taker);
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for (const taker of takers) {
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await taker.configureERC20TokenAsync(deployment.tokens.weth, deployment.staking.stakingProxy.address);
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}
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// Run simulation
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const simulation = new MatchOrdersSimulation(simulationEnvironment);
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return simulation.fuzzAsync();
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});
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});
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