Files
protocol/contracts/integrations/test/fuzz_tests/pool_management_test.ts
2020-01-15 13:20:54 -08:00

62 lines
2.9 KiB
TypeScript

import { blockchainTests } from '@0x/contracts-test-utils';
import * as _ from 'lodash';
import { Actor } from '../framework/actors/base';
import { PoolOperator } from '../framework/actors/pool_operator';
import { filterActorsByRole } from '../framework/actors/utils';
import { AssertionResult } from '../framework/assertions/function_assertion';
import { BlockchainBalanceStore } from '../framework/balances/blockchain_balance_store';
import { DeploymentManager } from '../framework/deployment_manager';
import { Simulation, SimulationEnvironment } from '../framework/simulation';
import { Pseudorandom } from '../framework/utils/pseudorandom';
export class PoolManagementSimulation extends Simulation {
protected async *_assertionGenerator(): AsyncIterableIterator<AssertionResult | void> {
const { actors } = this.environment;
const operators = filterActorsByRole(actors, PoolOperator);
const [actions, weights] = _.unzip([
// 38% chance of executing validCreateStakingPool assertion for a random operator
...operators.map(operator => [operator.simulationActions.validCreateStakingPool, 0.38]),
// 2% chance of executing invalidCreateStakingPool assertion for a random operator
...operators.map(operator => [operator.simulationActions.invalidCreateStakingPool, 0.02]),
// 58% chance of executing validDecreaseStakingPoolOperatorShare for a random operator
...operators.map(operator => [operator.simulationActions.validDecreaseStakingPoolOperatorShare, 0.58]),
// 2% chance of executing invalidDecreaseStakingPoolOperatorShare for a random operator
...operators.map(operator => [operator.simulationActions.invalidDecreaseStakingPoolOperatorShare, 0.02]),
]) as [Array<AsyncIterableIterator<AssertionResult | void>>, number[]];
while (true) {
const action = Pseudorandom.sample(actions, weights);
yield (await action!.next()).value; // tslint:disable-line:no-non-null-assertion
}
}
}
blockchainTests('Pool management fuzz test', env => {
before(function(): void {
if (process.env.FUZZ_TEST !== 'pool_management') {
this.skip();
}
});
after(async () => {
Actor.reset();
});
it('fuzz', async () => {
const deployment = await DeploymentManager.deployAsync(env, {
numErc20TokensToDeploy: 0,
numErc721TokensToDeploy: 0,
numErc1155TokensToDeploy: 0,
});
const balanceStore = new BlockchainBalanceStore({}, {});
const simulationEnvironment = new SimulationEnvironment(deployment, balanceStore, [
new PoolOperator({ deployment, name: 'Operator 1' }),
new PoolOperator({ deployment, name: 'Operator 2' }),
]);
const simulation = new PoolManagementSimulation(simulationEnvironment);
return simulation.fuzzAsync();
});
});