91 lines
4.1 KiB
TypeScript
91 lines
4.1 KiB
TypeScript
import { blockchainTests } from '@0x/contracts-test-utils';
|
|
import * as _ from 'lodash';
|
|
|
|
import { Actor } from '../framework/actors/base';
|
|
import { StakerOperator } from '../framework/actors/hybrids';
|
|
import { PoolOperator } from '../framework/actors/pool_operator';
|
|
import { Staker } from '../framework/actors/staker';
|
|
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';
|
|
|
|
import { PoolManagementSimulation } from './pool_management_test';
|
|
|
|
export class StakeManagementSimulation extends Simulation {
|
|
protected async *_assertionGenerator(): AsyncIterableIterator<AssertionResult | void> {
|
|
const { actors } = this.environment;
|
|
const stakers = filterActorsByRole(actors, Staker);
|
|
|
|
const poolManagement = new PoolManagementSimulation(this.environment);
|
|
|
|
const [actions, weights] = _.unzip([
|
|
// 28% chance of executing validStake for a random staker
|
|
...stakers.map(staker => [staker.simulationActions.validStake, 0.28 / stakers.length]),
|
|
// 2% chance of executing invalidUnstake for a random staker
|
|
...stakers.map(staker => [staker.simulationActions.invalidStake, 0.02 / stakers.length]),
|
|
// 28% chance of executing validUnstake for a random staker
|
|
...stakers.map(staker => [staker.simulationActions.validStake, 0.28 / stakers.length]),
|
|
// 2% chance of executing invalidUnstake for a random staker
|
|
...stakers.map(staker => [staker.simulationActions.validUnstake, 0.02 / stakers.length]),
|
|
// 28% chance of executing validMoveStake for a random staker
|
|
...stakers.map(staker => [staker.simulationActions.validMoveStake, 0.28 / stakers.length]),
|
|
// 2% chance of executing moveStakeNonexistentPool for a random staker
|
|
...stakers.map(staker => [staker.simulationActions.moveStakeNonexistentPool, 0.02 / stakers.length]),
|
|
// 20% chance of executing an assertion generated from the pool management simulation
|
|
[poolManagement.generator, 0.2],
|
|
]) 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('Stake management fuzz test', env => {
|
|
before(function(): void {
|
|
if (process.env.FUZZ_TEST !== 'stake_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(
|
|
{
|
|
StakingProxy: deployment.staking.stakingProxy.address,
|
|
ZRXVault: deployment.staking.zrxVault.address,
|
|
},
|
|
{ erc20: { ZRX: deployment.tokens.zrx } },
|
|
);
|
|
|
|
const actors = [
|
|
new Staker({ name: 'Staker 1', deployment }),
|
|
new Staker({ name: 'Staker 2', deployment }),
|
|
new StakerOperator({ name: 'Staker/Operator', deployment }),
|
|
new PoolOperator({ name: 'Operator', deployment }),
|
|
];
|
|
|
|
const simulationEnvironment = new SimulationEnvironment(deployment, balanceStore, actors);
|
|
|
|
const stakers = filterActorsByRole(actors, Staker);
|
|
for (const staker of stakers) {
|
|
await staker.configureERC20TokenAsync(deployment.tokens.zrx);
|
|
}
|
|
|
|
const simulation = new StakeManagementSimulation(simulationEnvironment);
|
|
return simulation.fuzzAsync();
|
|
});
|
|
});
|