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Store collator fullness in collator_assignment pallet (#672)
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test/suites/dev-tanssi/collator-assignment/test-collator-assignment.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import "@tanssi/api-augment"; | ||
| import { describeSuite, expect, beforeAll } from "@moonwall/cli"; | ||
| import { ApiPromise } from "@polkadot/api"; | ||
| import { jumpBlocks, jumpSessions, jumpToSession } from "util/block"; | ||
| import { filterAndApply } from "@moonwall/util"; | ||
| import { EventRecord } from "@polkadot/types/interfaces"; | ||
| import { bool, u32, u8, Vec } from "@polkadot/types-codec"; | ||
|
|
||
| describeSuite({ | ||
| id: "DT0801", | ||
| title: "Collator assignment tests", | ||
| foundationMethods: "dev", | ||
|
|
||
| testCases: ({ it, context }) => { | ||
| let polkadotJs: ApiPromise; | ||
|
|
||
| beforeAll(async () => { | ||
| polkadotJs = context.polkadotJs(); | ||
| }); | ||
|
|
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| it({ | ||
| id: "E01", | ||
| title: "Collator should rotate", | ||
| test: async function () { | ||
| const fullRotationPeriod = (await context.polkadotJs().query.configuration.activeConfig())[ | ||
| "fullRotationPeriod" | ||
| ].toString(); | ||
| const sessionIndex = (await polkadotJs.query.session.currentIndex()).toNumber(); | ||
| // Calculate the remaining sessions for next full rotation | ||
| // This is a workaround for running moonwall in run mode | ||
| // as it runs all tests in the same chain instance | ||
| const remainingSessionsForRotation = | ||
| sessionIndex > fullRotationPeriod ? sessionIndex % fullRotationPeriod : fullRotationPeriod; | ||
|
|
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| await jumpToSession(context, remainingSessionsForRotation - 2); | ||
|
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| const initialAssignment = (await polkadotJs.query.collatorAssignment.collatorContainerChain()).toJSON(); | ||
|
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| expect(initialAssignment.containerChains[2000].length).to.eq(2); | ||
| expect((await polkadotJs.query.collatorAssignment.pendingCollatorContainerChain()).isNone); | ||
|
|
||
| // remainingSessionsForRotation - 1 | ||
| await jumpSessions(context, 1); | ||
| const rotationEndAssignment = ( | ||
| await polkadotJs.query.collatorAssignment.collatorContainerChain() | ||
| ).toJSON(); | ||
|
|
||
| expect((await polkadotJs.query.collatorAssignment.pendingCollatorContainerChain()).isSome); | ||
| // Assignment shouldn't have changed yet | ||
| expect(initialAssignment.containerChains[2000].toSorted()).to.deep.eq( | ||
| rotationEndAssignment.containerChains[2000].toSorted() | ||
| ); | ||
|
|
||
| // As randomness isn't deterministic in starlight we can't be | ||
| // 100% certain that the assignation will indeed change. So the | ||
| // best we can do is verify that the pending rotation event for | ||
| // next session is emitted and is a full rotation as expected | ||
| const events = await polkadotJs.query.system.events(); | ||
| const filteredEvents = filterAndApply( | ||
| events, | ||
| "collatorAssignment", | ||
| ["NewPendingAssignment"], | ||
| ({ event }: EventRecord) => | ||
| event.data as unknown as { randomSeed: Vec<u8>; fullRotation: bool; targetSession: u32 } | ||
| ); | ||
| expect(filteredEvents[0].fullRotation.toJSON()).toBe(true); | ||
|
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| // Check that the randomness is set in CollatorAssignment the | ||
| // block previous to the full rotation | ||
| const sessionDuration = 10; | ||
| await jumpBlocks(context, sessionDuration - 1); | ||
| const assignmentRandomness = await polkadotJs.query.collatorAssignment.randomness(); | ||
| // TODO: in starlight isEmpty == false because we have randomness there | ||
| // In dancebox dev tests there is no rotation because there is no randomness | ||
| expect(assignmentRandomness.isEmpty).toBe(true); | ||
| }, | ||
| }); | ||
| }, | ||
| }); |
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