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| 1 | +import type { AztecNodeService } from '@aztec/aztec-node'; |
| 2 | +import { EthAddress } from '@aztec/aztec.js'; |
| 3 | +import { RollupContract } from '@aztec/ethereum'; |
| 4 | +import { promiseWithResolvers } from '@aztec/foundation/promise'; |
| 5 | + |
| 6 | +import { jest } from '@jest/globals'; |
| 7 | +import fs from 'fs'; |
| 8 | +import 'jest-extended'; |
| 9 | +import os from 'os'; |
| 10 | +import path from 'path'; |
| 11 | + |
| 12 | +import { createNodes } from '../fixtures/setup_p2p_test.js'; |
| 13 | +import { P2PNetworkTest } from './p2p_network.js'; |
| 14 | + |
| 15 | +const NUM_NODES = 5; |
| 16 | +const NUM_VALIDATORS = NUM_NODES + 1; // We create an extra validator, who will not have a running node |
| 17 | +const BOOT_NODE_UDP_PORT = 4500; |
| 18 | +const EPOCH_DURATION = 2; |
| 19 | +const SLASHING_QUORUM = 3; |
| 20 | +const SLASHING_ROUND_SIZE = 4; |
| 21 | +const ETHEREUM_SLOT_DURATION = 4; |
| 22 | +const AZTEC_SLOT_DURATION = 8; |
| 23 | +const SLASHING_UNIT = BigInt(20e18); |
| 24 | +const SLASHING_AMOUNT = SLASHING_UNIT * 3n; |
| 25 | + |
| 26 | +const DATA_DIR = fs.mkdtempSync(path.join(os.tmpdir(), 'inactivity-slash-')); |
| 27 | + |
| 28 | +jest.setTimeout(1000 * 60 * 10); |
| 29 | + |
| 30 | +describe('e2e_p2p_inactivity_slash', () => { |
| 31 | + let t: P2PNetworkTest; |
| 32 | + let nodes: AztecNodeService[]; |
| 33 | + let rollup: RollupContract; |
| 34 | + let offlineValidator: EthAddress; |
| 35 | + |
| 36 | + beforeAll(async () => { |
| 37 | + t = await P2PNetworkTest.create({ |
| 38 | + testName: 'e2e_p2p_inactivity_slash', |
| 39 | + numberOfNodes: 0, |
| 40 | + numberOfValidators: NUM_VALIDATORS, |
| 41 | + basePort: BOOT_NODE_UDP_PORT, |
| 42 | + startProverNode: true, |
| 43 | + initialConfig: { |
| 44 | + aztecTargetCommitteeSize: NUM_NODES, // ensure we can progress even after slash happens |
| 45 | + aztecSlotDuration: AZTEC_SLOT_DURATION, |
| 46 | + ethereumSlotDuration: ETHEREUM_SLOT_DURATION, |
| 47 | + aztecProofSubmissionEpochs: 1024, // effectively do not reorg |
| 48 | + listenAddress: '127.0.0.1', |
| 49 | + minTxsPerBlock: 0, |
| 50 | + aztecEpochDuration: EPOCH_DURATION, |
| 51 | + validatorReexecute: false, |
| 52 | + sentinelEnabled: true, |
| 53 | + slashingQuorum: SLASHING_QUORUM, |
| 54 | + slashingRoundSize: SLASHING_ROUND_SIZE, |
| 55 | + slashInactivityCreateTargetPercentage: 0.5, |
| 56 | + slashInactivitySignalTargetPercentage: 0.1, |
| 57 | + slashingUnit: SLASHING_UNIT, |
| 58 | + }, |
| 59 | + }); |
| 60 | + |
| 61 | + await t.applyBaseSnapshots(); |
| 62 | + await t.setup(); |
| 63 | + |
| 64 | + // Set slashing penalties for inactivity |
| 65 | + ({ rollup } = await t.getContracts()); |
| 66 | + const [activationThreshold, ejectionThreshold] = await Promise.all([ |
| 67 | + rollup.getActivationThreshold(), |
| 68 | + rollup.getEjectionThreshold(), |
| 69 | + ]); |
| 70 | + expect(activationThreshold - SLASHING_AMOUNT).toBeLessThan(ejectionThreshold); |
| 71 | + t.ctx.aztecNodeConfig.slashInactivityEnabled = true; |
| 72 | + t.ctx.aztecNodeConfig.slashInactivityCreatePenalty = SLASHING_AMOUNT; |
| 73 | + t.ctx.aztecNodeConfig.slashInactivityMaxPenalty = SLASHING_AMOUNT; |
| 74 | + |
| 75 | + nodes = await createNodes( |
| 76 | + t.ctx.aztecNodeConfig, |
| 77 | + t.ctx.dateProvider, |
| 78 | + t.bootstrapNodeEnr, |
| 79 | + NUM_NODES, // Note we do not create the last validator yet, so it shows as offline |
| 80 | + BOOT_NODE_UDP_PORT, |
| 81 | + t.prefilledPublicData, |
| 82 | + |
| 83 | + DATA_DIR, |
| 84 | + ); |
| 85 | + await t.removeInitialNode(); |
| 86 | + |
| 87 | + offlineValidator = t.validators.at(-1)!.attester; |
| 88 | + t.logger.warn(`Setup complete. Offline validator is ${offlineValidator}.`, { |
| 89 | + validators: t.validators, |
| 90 | + offlineValidator, |
| 91 | + }); |
| 92 | + }); |
| 93 | + |
| 94 | + afterAll(async () => { |
| 95 | + await t.stopNodes(nodes); |
| 96 | + await t.teardown(); |
| 97 | + for (let i = 0; i < NUM_NODES; i++) { |
| 98 | + fs.rmSync(`${DATA_DIR}-${i}`, { recursive: true, force: true, maxRetries: 3 }); |
| 99 | + } |
| 100 | + }); |
| 101 | + |
| 102 | + it('slashes inactive validator', async () => { |
| 103 | + const slashPromise = promiseWithResolvers<bigint>(); |
| 104 | + rollup.listenToSlash(args => { |
| 105 | + t.logger.warn(`Slashed ${args.attester.toString()}`); |
| 106 | + expect(offlineValidator.toString()).toEqual(args.attester.toString()); |
| 107 | + expect(args.amount).toEqual(SLASHING_AMOUNT); |
| 108 | + slashPromise.resolve(args.amount); |
| 109 | + }); |
| 110 | + await slashPromise.promise; |
| 111 | + }); |
| 112 | +}); |
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