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133 changes: 133 additions & 0 deletions
133
packages/beacon-node/test/e2e/chain/proposerBoostReorg.test.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| import {describe, it, afterEach, expect} from "vitest"; | ||
| import {SLOTS_PER_EPOCH} from "@lodestar/params"; | ||
| import {TimestampFormatCode} from "@lodestar/logger"; | ||
| import {ChainConfig} from "@lodestar/config"; | ||
| import {RootHex, Slot} from "@lodestar/types"; | ||
| import {routes} from "@lodestar/api"; | ||
| import {toHexString} from "@lodestar/utils"; | ||
| import {LogLevel, TestLoggerOpts, testLogger} from "../../utils/logger.js"; | ||
| import {getDevBeaconNode} from "../../utils/node/beacon.js"; | ||
| import {TimelinessForkChoice} from "../../mocks/fork-choice/timeliness.js"; | ||
| import {getAndInitDevValidators} from "../../utils/node/validator.js"; | ||
| import {waitForEvent} from "../../utils/events/resolver.js"; | ||
| import {ReorgEventData} from "../../../src/chain/emitter.js"; | ||
|
|
||
| describe( | ||
| "proposer boost reorg", | ||
| function () { | ||
| const validatorCount = 8; | ||
| const testParams: Pick<ChainConfig, "SECONDS_PER_SLOT" | "REORG_PARENT_WEIGHT_THRESHOLD" | "PROPOSER_SCORE_BOOST"> = | ||
| { | ||
| // eslint-disable-next-line @typescript-eslint/naming-convention | ||
| SECONDS_PER_SLOT: 2, | ||
| // need this to make block `reorgSlot - 1` strong enough | ||
| // eslint-disable-next-line @typescript-eslint/naming-convention | ||
| REORG_PARENT_WEIGHT_THRESHOLD: 80, | ||
| // need this to make block `reorgSlot + 1` to become the head | ||
| // eslint-disable-next-line @typescript-eslint/naming-convention | ||
| PROPOSER_SCORE_BOOST: 120, | ||
| }; | ||
|
|
||
| const afterEachCallbacks: (() => Promise<unknown> | void)[] = []; | ||
| afterEach(async () => { | ||
| while (afterEachCallbacks.length > 0) { | ||
| const callback = afterEachCallbacks.pop(); | ||
| if (callback) await callback(); | ||
| } | ||
| }); | ||
|
|
||
| const reorgSlot = 10; | ||
| const proposerBoostReorgEnabled = true; | ||
| /** | ||
| * reorgSlot | ||
| * / | ||
| * reorgSlot - 1 ------------ reorgSlot + 1 | ||
| */ | ||
| it(`should reorg a late block at slot ${reorgSlot}`, async () => { | ||
| // the node needs time to transpile/initialize bls worker threads | ||
| const genesisSlotsDelay = 7; | ||
| const genesisTime = Math.floor(Date.now() / 1000) + genesisSlotsDelay * testParams.SECONDS_PER_SLOT; | ||
| const testLoggerOpts: TestLoggerOpts = { | ||
| level: LogLevel.debug, | ||
| timestampFormat: { | ||
| format: TimestampFormatCode.EpochSlot, | ||
| genesisTime, | ||
| slotsPerEpoch: SLOTS_PER_EPOCH, | ||
| secondsPerSlot: testParams.SECONDS_PER_SLOT, | ||
| }, | ||
| }; | ||
| const logger = testLogger("BeaconNode", testLoggerOpts); | ||
| const bn = await getDevBeaconNode({ | ||
| params: testParams, | ||
| options: { | ||
| sync: {isSingleNode: true}, | ||
| network: {allowPublishToZeroPeers: true, mdns: true, useWorker: false}, | ||
| // run the first bn with ReorgedForkChoice, no nHistoricalStates flag so it does not have to reload | ||
| chain: { | ||
| blsVerifyAllMainThread: true, | ||
| forkchoiceConstructor: TimelinessForkChoice, | ||
| proposerBoostEnabled: true, | ||
| proposerBoostReorgEnabled, | ||
| }, | ||
| }, | ||
| validatorCount, | ||
| genesisTime, | ||
| logger, | ||
| }); | ||
|
|
||
| (bn.chain.forkChoice as TimelinessForkChoice).lateSlot = reorgSlot; | ||
| afterEachCallbacks.push(async () => bn.close()); | ||
| const {validators} = await getAndInitDevValidators({ | ||
| node: bn, | ||
| logPrefix: "vc-0", | ||
| validatorsPerClient: validatorCount, | ||
| validatorClientCount: 1, | ||
| startIndex: 0, | ||
| useRestApi: false, | ||
| testLoggerOpts, | ||
| }); | ||
| afterEachCallbacks.push(() => Promise.all(validators.map((v) => v.close()))); | ||
|
|
||
| const commonAncestor = await waitForEvent<{slot: Slot; block: RootHex}>( | ||
| bn.chain.emitter, | ||
| routes.events.EventType.head, | ||
| 240000, | ||
| ({slot}) => slot === reorgSlot - 1 | ||
| ); | ||
| // reorgSlot | ||
| // / | ||
| // commonAncestor ------------ newBlock | ||
| const commonAncestorRoot = commonAncestor.block; | ||
| const reorgBlockEventData = await waitForEvent<{slot: Slot; block: RootHex}>( | ||
| bn.chain.emitter, | ||
| routes.events.EventType.head, | ||
| 240000, | ||
| ({slot}) => slot === reorgSlot | ||
| ); | ||
| const reorgBlockRoot = reorgBlockEventData.block; | ||
| const [newBlockEventData, reorgEventData] = await Promise.all([ | ||
| waitForEvent<{slot: Slot; block: RootHex}>( | ||
| bn.chain.emitter, | ||
| routes.events.EventType.block, | ||
| 240000, | ||
| ({slot}) => slot === reorgSlot + 1 | ||
| ), | ||
| waitForEvent<ReorgEventData>(bn.chain.emitter, routes.events.EventType.chainReorg, 240000), | ||
| ]); | ||
| expect(reorgEventData.slot).toEqual(reorgSlot + 1); | ||
| const newBlock = await bn.chain.getBlockByRoot(newBlockEventData.block); | ||
| if (newBlock == null) { | ||
| throw Error(`Block ${reorgSlot + 1} not found`); | ||
| } | ||
| expect(reorgEventData.oldHeadBlock).toEqual(reorgBlockRoot); | ||
| expect(reorgEventData.newHeadBlock).toEqual(newBlockEventData.block); | ||
| expect(reorgEventData.depth).toEqual(2); | ||
| expect(toHexString(newBlock?.block.message.parentRoot)).toEqual(commonAncestorRoot); | ||
| logger.info("New block", { | ||
| slot: newBlock.block.message.slot, | ||
| parentRoot: toHexString(newBlock.block.message.parentRoot), | ||
| }); | ||
| }); | ||
| }, | ||
| {timeout: 60000} | ||
| ); |
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