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test(e2e): anchor e2e_amm PXE to checkpointed tip under pipelining #23336

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Merged
spalladino merged 1 commit into from
May 16, 2026
+6 −1
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test(e2e): anchor e2e_amm PXE to checkpointed tip under pipelining #23336

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7 changes: 6 additions & 1 deletion yarn-project/end-to-end/src/e2e_amm.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -41,12 +41,17 @@ describe('AMM', () => {
const INITIAL_TOKEN_BALANCE = 1_000_000_000n;

beforeAll(async () => {
// Anchor the PXE to the checkpointed tip rather than the proposed tip. Under pipelining the
// proposed tip can be pruned when a slot ends without a checkpoint landing on L1 (e.g. when a
// time warp races `Sequencer.work`'s two epoch-cache reads and the wait-for-parent gate ends up
// pointing at the wrong slot). The checkpointed tip is L1-confirmed and cannot be pruned, so
// inflight setup txs survive the race.
({
teardown,
wallet,
accounts: [adminAddress, liquidityProviderAddress, otherLiquidityProviderAddress, swapperAddress],
logger,
} = await setup(4, { ...PIPELINING_SETUP_OPTS }));
} = await setup(4, { ...PIPELINING_SETUP_OPTS }, { syncChainTip: 'checkpointed' }));

({ contract: token0 } = await deployToken(wallet, adminAddress, 0n, logger));
({ contract: token1 } = await deployToken(wallet, adminAddress, 0n, logger));
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