diff --git a/yarn-project/kv-store/src/stores/l2_tips_store.ts b/yarn-project/kv-store/src/stores/l2_tips_store.ts index 8d34baa72736..af582042e526 100644 --- a/yarn-project/kv-store/src/stores/l2_tips_store.ts +++ b/yarn-project/kv-store/src/stores/l2_tips_store.ts @@ -1,19 +1,20 @@ import { BlockNumber, CheckpointNumber } from '@aztec/foundation/branded-types'; -import { type BlockHash, type L2BlockTag, L2TipsStoreBase } from '@aztec/stdlib/block'; -import { PublishedCheckpoint } from '@aztec/stdlib/checkpoint'; +import { type BlockHash, type CheckpointId, type L2BlockTag, L2TipsStoreBase } from '@aztec/stdlib/block'; import type { AztecAsyncMap } from '../interfaces/map.js'; import type { AztecAsyncKVStore } from '../interfaces/store.js'; +/** Serialized form of a per-tip checkpoint id stored in the KV store. */ +type StoredCheckpointId = { number: number; hash: string }; + /** * Persistent implementation of L2 tips store backed by a KV store. * Used by nodes that need to persist chain state across restarts. */ export class L2TipsKVStore extends L2TipsStoreBase { private readonly l2TipsStore: AztecAsyncMap; + private readonly l2TipCheckpointsStore: AztecAsyncMap; private readonly l2BlockHashesStore: AztecAsyncMap; - private readonly l2BlockNumberToCheckpointNumberStore: AztecAsyncMap; - private readonly l2CheckpointStore: AztecAsyncMap; constructor( private store: AztecAsyncKVStore, @@ -22,11 +23,8 @@ export class L2TipsKVStore extends L2TipsStoreBase { ) { super(initialBlockHash); this.l2TipsStore = store.openMap([namespace, 'l2_tips'].join('_')); + this.l2TipCheckpointsStore = store.openMap([namespace, 'l2_tip_checkpoints'].join('_')); this.l2BlockHashesStore = store.openMap([namespace, 'l2_block_hashes'].join('_')); - this.l2BlockNumberToCheckpointNumberStore = store.openMap( - [namespace, 'l2_block_number_to_checkpoint_number'].join('_'), - ); - this.l2CheckpointStore = store.openMap([namespace, 'l2_checkpoint_store'].join('_')); } protected getTip(tag: L2BlockTag): Promise { @@ -37,6 +35,18 @@ export class L2TipsKVStore extends L2TipsStoreBase { return this.l2TipsStore.set(tag, blockNumber); } + protected async getTipCheckpoint(tag: L2BlockTag): Promise { + const stored = await this.l2TipCheckpointsStore.getAsync(tag); + if (stored === undefined) { + return undefined; + } + return { number: CheckpointNumber(stored.number), hash: stored.hash }; + } + + protected setTipCheckpoint(tag: L2BlockTag, checkpoint: CheckpointId): Promise { + return this.l2TipCheckpointsStore.set(tag, { number: checkpoint.number, hash: checkpoint.hash }); + } + protected getStoredBlockHash(blockNumber: BlockNumber): Promise { return this.l2BlockHashesStore.getAsync(blockNumber); } @@ -51,38 +61,6 @@ export class L2TipsKVStore extends L2TipsStoreBase { } } - protected getCheckpointNumberForBlock(blockNumber: BlockNumber): Promise { - return this.l2BlockNumberToCheckpointNumberStore.getAsync(blockNumber); - } - - protected setCheckpointNumberForBlock(blockNumber: BlockNumber, checkpointNumber: CheckpointNumber): Promise { - return this.l2BlockNumberToCheckpointNumberStore.set(blockNumber, checkpointNumber); - } - - protected async deleteBlockToCheckpointBefore(blockNumber: BlockNumber): Promise { - for await (const key of this.l2BlockNumberToCheckpointNumberStore.keysAsync({ end: blockNumber })) { - await this.l2BlockNumberToCheckpointNumberStore.delete(key); - } - } - - protected async getCheckpoint(checkpointNumber: CheckpointNumber): Promise { - const buffer = await this.l2CheckpointStore.getAsync(checkpointNumber); - if (!buffer) { - return undefined; - } - return PublishedCheckpoint.fromBuffer(buffer); - } - - protected saveCheckpointData(checkpoint: PublishedCheckpoint): Promise { - return this.l2CheckpointStore.set(checkpoint.checkpoint.number, checkpoint.toBuffer()); - } - - protected async deleteCheckpointsBefore(checkpointNumber: CheckpointNumber): Promise { - for await (const key of this.l2CheckpointStore.keysAsync({ end: checkpointNumber })) { - await this.l2CheckpointStore.delete(key); - } - } - protected runInTransaction(fn: () => Promise): Promise { return this.store.transactionAsync(fn); } diff --git a/yarn-project/p2p/src/client/factory.ts b/yarn-project/p2p/src/client/factory.ts index a331fae469c1..e74770416f9e 100644 --- a/yarn-project/p2p/src/client/factory.ts +++ b/yarn-project/p2p/src/client/factory.ts @@ -75,8 +75,10 @@ export async function createP2PClient( } const bindings = logger.getBindings(); - // Schema version 3: tx proofs are stored in a separate map from the tx data (see TxPoolV2Impl). - const store = deps.store ?? (await createStore(P2P_STORE_NAME, 3, config, bindings)); + // Schema version 4: L2 tips store resolves checkpoint tips from per-tip ids in l2_tip_checkpoints; the + // block->checkpoint mapping and checkpoint maps were dropped. Bumped to wipe stores whose tips predate + // per-tip ids, which would otherwise make getL2Tips throw on every read. + const store = deps.store ?? (await createStore(P2P_STORE_NAME, 4, config, bindings)); const archive = await createStore(P2P_ARCHIVE_STORE_NAME, 1, config, bindings); const peerStore = await createStore(P2P_PEER_STORE_NAME, 1, config, bindings); const attestationStore = await createStore(P2P_ATTESTATION_STORE_NAME, 2, config, bindings); diff --git a/yarn-project/p2p/src/client/p2p_client.test.ts b/yarn-project/p2p/src/client/p2p_client.test.ts index ac08036b58a6..2d2e10aa6425 100644 --- a/yarn-project/p2p/src/client/p2p_client.test.ts +++ b/yarn-project/p2p/src/client/p2p_client.test.ts @@ -335,10 +335,6 @@ describe('P2P Client', () => { await expect(client.getL2Tips()).resolves.toEqual({ proposed: { number: BlockNumber(100), hash: expect.any(String) }, checkpointed: { block: { number: BlockNumber(100), hash: expect.any(String) }, checkpoint: anyCheckpoint }, - proposedCheckpoint: { - block: { number: BlockNumber(100), hash: expect.any(String) }, - checkpoint: anyCheckpoint, - }, proven: { block: { number: BlockNumber(90), hash: expect.any(String) }, checkpoint: anyCheckpoint }, finalized: { block: { number: BlockNumber(50), hash: expect.any(String) }, checkpoint: anyCheckpoint }, }); @@ -349,7 +345,6 @@ describe('P2P Client', () => { await expect(client.getL2Tips()).resolves.toEqual({ proposed: { number: BlockNumber(90), hash: expect.any(String) }, - proposedCheckpoint: { block: { number: BlockNumber(90), hash: expect.any(String) }, checkpoint: anyCheckpoint }, checkpointed: { block: { number: BlockNumber(90), hash: expect.any(String) }, checkpoint: anyCheckpoint }, proven: { block: { number: BlockNumber(90), hash: expect.any(String) }, checkpoint: anyCheckpoint }, finalized: { block: { number: BlockNumber(50), hash: expect.any(String) }, checkpoint: anyCheckpoint }, @@ -362,7 +357,6 @@ describe('P2P Client', () => { await expect(client.getL2Tips()).resolves.toEqual({ proposed: { number: BlockNumber(92), hash: expect.any(String) }, - proposedCheckpoint: { block: { number: BlockNumber(92), hash: expect.any(String) }, checkpoint: anyCheckpoint }, checkpointed: { block: { number: BlockNumber(92), hash: expect.any(String) }, checkpoint: anyCheckpoint }, proven: { block: { number: BlockNumber(90), hash: expect.any(String) }, checkpoint: anyCheckpoint }, finalized: { block: { number: BlockNumber(50), hash: expect.any(String) }, checkpoint: anyCheckpoint }, diff --git a/yarn-project/p2p/src/client/p2p_client.ts b/yarn-project/p2p/src/client/p2p_client.ts index c26aac46b805..4d959a044e6b 100644 --- a/yarn-project/p2p/src/client/p2p_client.ts +++ b/yarn-project/p2p/src/client/p2p_client.ts @@ -19,8 +19,8 @@ import { type L2BlockSource, L2BlockStream, type L2BlockStreamEvent, - type L2Tips, type L2TipsStore, + type LocalL2Tips, } from '@aztec/stdlib/block'; import type { ContractDataSource } from '@aztec/stdlib/contract'; import { getTimestampForSlot } from '@aztec/stdlib/epoch-helpers'; @@ -148,7 +148,7 @@ export class P2PClient extends WithTracer implements P2P { this.p2pService.updateConfig(config); } - public getL2Tips(): Promise { + public getL2Tips(): Promise { return this.l2Tips.getL2Tips(); } @@ -174,7 +174,7 @@ export class P2PClient extends WithTracer implements P2P { break; case 'chain-pruned': this.txCollection.stopCollectingForBlocksAfter(event.block.number); - await this.handlePruneL2Blocks(event.block, event.checkpoint); + await this.handlePruneL2Blocks(event.block, event.checkpointed.checkpoint); break; case 'chain-checkpointed': break; diff --git a/yarn-project/prover-node/src/prover-node.test.ts b/yarn-project/prover-node/src/prover-node.test.ts index d3abd72b5cee..b9e23f2846c0 100644 --- a/yarn-project/prover-node/src/prover-node.test.ts +++ b/yarn-project/prover-node/src/prover-node.test.ts @@ -81,6 +81,12 @@ describe('ProverNode', () => { // ---------------- event dispatch ---------------- + /** Builds an L2TipId (block + checkpoint id) for block/checkpoint number `n`. */ + const makeTipId = (n: number) => ({ + block: { number: BlockNumber(n), hash: `0x0${n}` }, + checkpoint: { number: CheckpointNumber(n), hash: `0x0${n}` }, + }); + it('dispatches chain-checkpointed to handleCheckpointEvent', async () => { setupNotFullyProven(); const checkpoint = makeCheckpoint(1, 1, 1); @@ -100,8 +106,9 @@ describe('ProverNode', () => { // No registered checkpoints — nothing to prune. await proverNode.handleBlockStreamEvent({ type: 'chain-pruned', - checkpoint: { number: CheckpointNumber(0), hash: '0x00' }, block: { number: BlockNumber(0), hash: '0x00' }, + checkpointed: makeTipId(0), + proven: makeTipId(0), }); expect(sessionManager.onPrune).not.toHaveBeenCalled(); @@ -115,8 +122,9 @@ describe('ProverNode', () => { await proverNode.handleBlockStreamEvent({ type: 'chain-pruned', - checkpoint: { number: CheckpointNumber(1), hash: '0x01' }, block: { number: BlockNumber(1), hash: '0x01' }, + checkpointed: makeTipId(1), + proven: makeTipId(1), }); expect(sessionManager.onPrune).toHaveBeenCalledWith([EpochNumber(2)]); }); @@ -125,6 +133,7 @@ describe('ProverNode', () => { await proverNode.handleBlockStreamEvent({ type: 'chain-proven', block: { number: BlockNumber(7), hash: '0x07' }, + checkpoint: { number: CheckpointNumber(7), hash: '0x07' }, }); expect(publishingService.onChainProven).toHaveBeenCalledWith(BlockNumber(7)); }); @@ -149,6 +158,7 @@ describe('ProverNode', () => { await proverNode.handleBlockStreamEvent({ type: 'chain-finalized', block: { number: BlockNumber(1), hash: '0x01' }, + checkpoint: { number: CheckpointNumber(1), hash: '0x01' }, }); expect(cache.get(txHash)).toBeUndefined(); @@ -164,6 +174,7 @@ describe('ProverNode', () => { await proverNode.handleBlockStreamEvent({ type: 'chain-finalized', block: { number: BlockNumber(1), hash: '0x01' }, + checkpoint: { number: CheckpointNumber(1), hash: '0x01' }, }); expect(reapSpy.mock.calls.length).toBe(3); reapSpy.mockClear(); @@ -172,6 +183,7 @@ describe('ProverNode', () => { await proverNode.handleBlockStreamEvent({ type: 'chain-finalized', block: { number: BlockNumber(1), hash: '0x01' }, + checkpoint: { number: CheckpointNumber(1), hash: '0x01' }, }); expect(reapSpy).not.toHaveBeenCalled(); }); @@ -183,6 +195,7 @@ describe('ProverNode', () => { await proverNode.handleBlockStreamEvent({ type: 'chain-finalized', block: { number: BlockNumber(1), hash: '0x01' }, + checkpoint: { number: CheckpointNumber(1), hash: '0x01' }, }); expect(reapSpy).not.toHaveBeenCalled(); }); @@ -318,6 +331,7 @@ describe('ProverNode', () => { await proverNode.handleBlockStreamEvent({ type: 'chain-finalized', block: { number: BlockNumber(1), hash: '0x01' }, + checkpoint: { number: CheckpointNumber(1), hash: '0x01' }, }); expect(reapSpy).not.toHaveBeenCalled(); @@ -338,6 +352,7 @@ describe('ProverNode', () => { await proverNode.handleBlockStreamEvent({ type: 'chain-finalized', block: { number: BlockNumber(1), hash: '0x01' }, + checkpoint: { number: CheckpointNumber(1), hash: '0x01' }, }); expect(reapSpy.mock.calls.map(([e]) => Number(e))).toEqual([0, 1, 2]); @@ -372,8 +387,9 @@ describe('ProverNode', () => { sessionManager.onPrune.mockClear(); await proverNode.handleBlockStreamEvent({ type: 'chain-pruned', - checkpoint: { number: CheckpointNumber(0), hash: '0x00' }, block: { number: BlockNumber(0), hash: '0x00' }, + checkpointed: makeTipId(0), + proven: makeTipId(0), }); expect(sessionManager.onPrune).toHaveBeenCalledTimes(1); expect(sessionManager.onPrune).toHaveBeenCalledWith([EpochNumber(3)]); @@ -594,6 +610,7 @@ describe('ProverNode', () => { header: { slotNumber: SlotNumber(slot) }, archive: { root: archiveRoot }, blocks: [{ number: blockNumber, header: { hash: () => Promise.resolve('0x01') } }], + hash: () => new Fr(checkpointNumber), } as unknown as Checkpoint; } diff --git a/yarn-project/prover-node/src/prover-node.ts b/yarn-project/prover-node/src/prover-node.ts index 22c28e8c5bd4..9e5b7fbd7508 100644 --- a/yarn-project/prover-node/src/prover-node.ts +++ b/yarn-project/prover-node/src/prover-node.ts @@ -222,7 +222,7 @@ export class ProverNode implements L2BlockStreamEventHandler, ProverNodeApi, Tra await this.handleCheckpointEvent(event.checkpoint); break; case 'chain-pruned': - await this.handlePruneEvent(event.checkpoint); + await this.handlePruneEvent(event.checkpointed.checkpoint); break; case 'chain-proven': this.publishingService?.onChainProven(BlockNumber(event.block.number)); diff --git a/yarn-project/pxe/src/block_synchronizer/block_synchronizer.test.ts b/yarn-project/pxe/src/block_synchronizer/block_synchronizer.test.ts index 057659691913..bbd6d2ae9729 100644 --- a/yarn-project/pxe/src/block_synchronizer/block_synchronizer.test.ts +++ b/yarn-project/pxe/src/block_synchronizer/block_synchronizer.test.ts @@ -136,7 +136,14 @@ describe('BlockSynchronizer', () => { await synchronizer.handleBlockStreamEvent({ type: 'chain-pruned', block: makeL2BlockId(reorgBlock.number, reorgResponse.hash.toString()), - checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + checkpointed: { + block: makeL2BlockId(BlockNumber.ZERO, GENESIS_BLOCK_HEADER_HASH.toString()), + checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + }, + proven: { + block: makeL2BlockId(BlockNumber.ZERO, GENESIS_BLOCK_HEADER_HASH.toString()), + checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + }, }); // The anchor block should be updated to the reorg block header. @@ -230,7 +237,14 @@ describe('BlockSynchronizer', () => { await synchronizer.handleBlockStreamEvent({ type: 'chain-pruned', block: block3, - checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + checkpointed: { + block: makeL2BlockId(BlockNumber.ZERO, GENESIS_BLOCK_HEADER_HASH.toString()), + checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + }, + proven: { + block: makeL2BlockId(BlockNumber.ZERO, GENESIS_BLOCK_HEADER_HASH.toString()), + checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + }, }); // Rows at blocks 4 and 5 must be gone. @@ -265,6 +279,7 @@ describe('BlockSynchronizer', () => { await synchronizer.handleBlockStreamEvent({ type: 'chain-finalized', block: block9, + checkpoint: makeL2CheckpointId(CheckpointNumber(1), Fr.random().toString()), }); // Finalization is a no-op for storage under delete-on-prune, every row at and below the tip survives. @@ -304,7 +319,14 @@ describe('BlockSynchronizer', () => { await synchronizer.handleBlockStreamEvent({ type: 'chain-pruned', block: block1, - checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + checkpointed: { + block: makeL2BlockId(BlockNumber.ZERO, GENESIS_BLOCK_HEADER_HASH.toString()), + checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + }, + proven: { + block: makeL2BlockId(BlockNumber.ZERO, GENESIS_BLOCK_HEADER_HASH.toString()), + checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + }, }); // Blocks 2 and 3 deleted. @@ -408,6 +430,7 @@ describe('BlockSynchronizer', () => { await synchronizer.handleBlockStreamEvent({ type: 'chain-proven', block: { number: BlockNumber(5), hash: '0x789' }, + checkpoint: { number: CheckpointNumber(1), hash: '0x789c' }, }); const obtainedHeader = await anchorBlockStore.getBlockHeader(); @@ -428,6 +451,7 @@ describe('BlockSynchronizer', () => { await synchronizer.handleBlockStreamEvent({ type: 'chain-finalized', block: { number: BlockNumber(10), hash: '0xabc' }, + checkpoint: { number: CheckpointNumber(2), hash: '0xabcc' }, }); const obtainedHeader = await anchorBlockStore.getBlockHeader(); @@ -445,7 +469,14 @@ describe('BlockSynchronizer', () => { await synchronizer.handleBlockStreamEvent({ type: 'chain-pruned', block: { number: BlockNumber(3), hash: '0x3' }, - checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + checkpointed: { + block: makeL2BlockId(BlockNumber.ZERO, GENESIS_BLOCK_HEADER_HASH.toString()), + checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + }, + proven: { + block: makeL2BlockId(BlockNumber.ZERO, GENESIS_BLOCK_HEADER_HASH.toString()), + checkpoint: makeL2CheckpointId(CheckpointNumber.ZERO, GENESIS_CHECKPOINT_HEADER_HASH.toString()), + }, }); // Anchor should be unchanged diff --git a/yarn-project/pxe/src/storage/backwards_compatibility_tests/__snapshots__/L2TipsKVStore.json b/yarn-project/pxe/src/storage/backwards_compatibility_tests/__snapshots__/L2TipsKVStore.json index bce86863558b..110116f9521c 100644 --- a/yarn-project/pxe/src/storage/backwards_compatibility_tests/__snapshots__/L2TipsKVStore.json +++ b/yarn-project/pxe/src/storage/backwards_compatibility_tests/__snapshots__/L2TipsKVStore.json @@ -9,12 +9,18 @@ "value": "num:179" }, { - "key": "utf8:proposedCheckpoint", - "value": "num:71" + "key": "utf8:proven", + "value": "num:79" + } + ], + "pxe_l2_tip_checkpoints": [ + { + "key": "utf8:checkpointed", + "value": "{\"number\":47,\"hash\":\"0x00a21eaf943186f15f609a8a76fb0bee7ce3e78c86ef95f5466614e59546eb19\"}" }, { "key": "utf8:proven", - "value": "num:79" + "value": "{\"number\":47,\"hash\":\"0x0000000000000000000000000000000000000000000000000000000000000059\"}" } ], "pxe_l2_block_hashes": [ @@ -30,17 +36,5 @@ "key": "num:79", "value": "utf8:0x0000000000000000000000000000000000000000000000000000000000000053" } - ], - "pxe_l2_block_number_to_checkpoint_number": [ - { - "key": "num:179", - "value": "num:47" - } - ], - "pxe_l2_checkpoint_store": [ - { - "key": "num:47", - "value": 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- } ] } diff --git a/yarn-project/pxe/src/storage/backwards_compatibility_tests/__snapshots__/opened_stores.json b/yarn-project/pxe/src/storage/backwards_compatibility_tests/__snapshots__/opened_stores.json index 6c031f74812f..0f52df771e6c 100644 --- a/yarn-project/pxe/src/storage/backwards_compatibility_tests/__snapshots__/opened_stores.json +++ b/yarn-project/pxe/src/storage/backwards_compatibility_tests/__snapshots__/opened_stores.json @@ -1,5 +1,5 @@ { - "schemaVersion": 7, + "schemaVersion": 8, "stores": [ { "name": "address_book", @@ -90,11 +90,7 @@ "kind": "map" }, { - "name": "pxe_l2_block_number_to_checkpoint_number", - "kind": "map" - }, - { - "name": "pxe_l2_checkpoint_store", + "name": "pxe_l2_tip_checkpoints", "kind": "map" }, { diff --git a/yarn-project/pxe/src/storage/backwards_compatibility_tests/schema_tests.ts b/yarn-project/pxe/src/storage/backwards_compatibility_tests/schema_tests.ts index 9a1e54a2a2cf..e6e6fc8ac71d 100644 --- a/yarn-project/pxe/src/storage/backwards_compatibility_tests/schema_tests.ts +++ b/yarn-project/pxe/src/storage/backwards_compatibility_tests/schema_tests.ts @@ -256,8 +256,7 @@ export const SCHEMA_TESTS: readonly SchemaTest[] = [ ); // `'blocks-added'` writes to `pxe_l2_tips` (proposed tag) and `pxe_l2_block_hashes`. - // `'chain-checkpointed'` writes to all four sub-stores: tips ('checkpointed' and 'proposedCheckpoint' tags), - // block-to-checkpoint mapping, and the checkpoint store. + // `'chain-checkpointed'` writes the 'checkpointed' tip and its checkpoint id (`pxe_l2_tip_checkpoints`). await l2TipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: [block] }); await l2TipsStore.handleBlockStreamEvent({ type: 'chain-checkpointed', @@ -269,15 +268,15 @@ export const SCHEMA_TESTS: readonly SchemaTest[] = [ await l2TipsStore.handleBlockStreamEvent({ type: 'chain-proven', block: { number: BlockNumber(79), hash: new Fr(83n).toString() }, + checkpoint: { number: CheckpointNumber(47), hash: new Fr(89n).toString() }, }); }, snapshotStore: async kvStore => ({ pxe_l2_tips: await snapshotMap(kvStore.openMap('pxe_l2_tips')), - pxe_l2_block_hashes: await snapshotMap(kvStore.openMap('pxe_l2_block_hashes')), - pxe_l2_block_number_to_checkpoint_number: await snapshotMap( - kvStore.openMap('pxe_l2_block_number_to_checkpoint_number'), + pxe_l2_tip_checkpoints: await snapshotMap( + kvStore.openMap('pxe_l2_tip_checkpoints'), ), - pxe_l2_checkpoint_store: await snapshotMap(kvStore.openMap('pxe_l2_checkpoint_store')), + pxe_l2_block_hashes: await snapshotMap(kvStore.openMap('pxe_l2_block_hashes')), }), }, diff --git a/yarn-project/pxe/src/storage/metadata.ts b/yarn-project/pxe/src/storage/metadata.ts index 4136adf327e2..e242d8c59327 100644 --- a/yarn-project/pxe/src/storage/metadata.ts +++ b/yarn-project/pxe/src/storage/metadata.ts @@ -1 +1 @@ -export const PXE_DATA_SCHEMA_VERSION = 7; +export const PXE_DATA_SCHEMA_VERSION = 8; diff --git a/yarn-project/stdlib/src/block/l2_block_source.ts b/yarn-project/stdlib/src/block/l2_block_source.ts index 934bc65bc408..fe3a6175cef4 100644 --- a/yarn-project/stdlib/src/block/l2_block_source.ts +++ b/yarn-project/stdlib/src/block/l2_block_source.ts @@ -351,6 +351,13 @@ export type L2Tips = { finalized: L2TipId; }; +/** + * Tips of the L2 chain as tracked by a local provider (world-state, l2-tips-store). Omits + * `proposedCheckpoint`, which is degenerate in local stores (always equal to `checkpointed`) and + * is only meaningful on the archiver side via {@link L2BlockSource}. + */ +export type LocalL2Tips = Omit; + export const GENESIS_CHECKPOINT_HEADER_HASH = CheckpointHeader.empty().hash(); /** Identifies a block by number and hash. */ diff --git a/yarn-project/stdlib/src/block/l2_block_stream/interfaces.ts b/yarn-project/stdlib/src/block/l2_block_stream/interfaces.ts index bf5831fa592f..e9e13deca97a 100644 --- a/yarn-project/stdlib/src/block/l2_block_stream/interfaces.ts +++ b/yarn-project/stdlib/src/block/l2_block_stream/interfaces.ts @@ -1,14 +1,38 @@ +import type { BlockNumber } from '@aztec/foundation/branded-types'; + import type { PublishedCheckpoint } from '../../checkpoint/published_checkpoint.js'; import type { L2Block } from '../l2_block.js'; -import type { CheckpointId, L2BlockId, L2Tips } from '../l2_block_source.js'; +import type { CheckpointId, L2BlockId, L2TipId, LocalL2Tips } from '../l2_block_source.js'; /** Provides the current chain tips. Implemented by world-state, l2-tips-store, and AztecNode. */ export interface L2TipsProvider { - getL2Tips(): Promise; + getL2Tips(): Promise; } -/** Interface to the local view of the chain. Implemented by world-state and l2-tips-store. */ -export interface L2BlockStreamLocalDataProvider extends L2TipsProvider { +/** + * A block id reported by a local data provider, whose hash may be unknown when the provider cannot resolve it (e.g. + * world-state cannot resolve the hash of a proven tip ahead of its synced range). + */ +export type LocalL2BlockId = { number: BlockNumber; hash?: string }; + +/** + * Minimal local view of the chain the block stream needs to drive sync. `checkpointed` is only required when the + * stream emits checkpoint events (i.e. `ignoreCheckpoints` is off). + */ +export type LocalChainTips = { + proposed: LocalL2BlockId; + checkpointed?: { checkpoint: CheckpointId }; + proven: { block: LocalL2BlockId }; + finalized: { block: LocalL2BlockId }; +}; + +/** + * Interface to the local view of the chain. Implemented by world-state and l2-tips-store. Anything implementing + * {@link L2TipsProvider} also satisfies this contract structurally, since {@link LocalL2Tips} is assignable to + * {@link LocalChainTips}. + */ +export interface L2BlockStreamLocalDataProvider { + getL2Tips(): Promise; getL2BlockHash(number: number): Promise; } @@ -30,19 +54,27 @@ export type L2BlockStreamEvent = | /** * Reports last correct block (new tip of the proposed chain). Note that this is not necessarily the anchor block * that will be used in the transaction - if the chain has already moved past the reorg, we'll also see blocks-added - * events that will push the anchor block forward. + * events that will push the anchor block forward. `block` is the prune target (the new proposed tip); `checkpointed` + * and `proven` are the source's confirmed checkpointed and proven tips (each a block and checkpoint id). Each is used + * to clamp the corresponding local cursor when it leads the source tip, so a cursor never overshoots its own source + * frontier during a prune (the source guarantees proven <= checkpointed). */ { type: 'chain-pruned'; block: L2BlockId; - checkpoint: CheckpointId; + checkpointed: L2TipId; + proven: L2TipId; } | /** Reports new proven block. */ { type: 'chain-proven'; block: L2BlockId; + checkpoint: CheckpointId; } | /** Reports new finalized block (proven and finalized on L1). */ { type: 'chain-finalized'; block: L2BlockId; + checkpoint: CheckpointId; }; -export type L2TipsStore = L2BlockStreamEventHandler & L2BlockStreamLocalDataProvider; +export type L2TipsStore = L2BlockStreamEventHandler & + L2TipsProvider & + Pick; diff --git a/yarn-project/stdlib/src/block/l2_block_stream/l2_block_stream.test.ts b/yarn-project/stdlib/src/block/l2_block_stream/l2_block_stream.test.ts index 7a949476dd88..1b17a151c4f5 100644 --- a/yarn-project/stdlib/src/block/l2_block_stream/l2_block_stream.test.ts +++ b/yarn-project/stdlib/src/block/l2_block_stream/l2_block_stream.test.ts @@ -1,6 +1,7 @@ import { BlockNumber, CheckpointNumber } from '@aztec/foundation/branded-types'; import { compactArray } from '@aztec/foundation/collection'; import { Fr } from '@aztec/foundation/curves/bn254'; +import type { Logger } from '@aztec/foundation/log'; import { jest } from '@jest/globals'; import { type MockProxy, mock } from 'jest-mock-extended'; @@ -16,9 +17,14 @@ import { GENESIS_CHECKPOINT_HEADER_HASH, type L2BlockId, type L2BlockSource, - type L2Tips, + type LocalL2Tips, } from '../l2_block_source.js'; -import type { L2BlockStreamEvent, L2BlockStreamEventHandler, L2BlockStreamLocalDataProvider } from './interfaces.js'; +import type { + L2BlockStreamEvent, + L2BlockStreamEventHandler, + L2BlockStreamLocalDataProvider, + LocalChainTips, +} from './interfaces.js'; import { L2BlockStream } from './l2_block_stream.js'; import { L2TipsMemoryStore } from './l2_tips_memory_store.js'; @@ -242,7 +248,7 @@ describe('L2BlockStream', () => { await blockStream.work(); expect(handler.events).toEqual([ - { type: 'chain-pruned', block: makeBlockId(36), checkpoint: makeCheckpointId(0) }, + { type: 'chain-pruned', block: makeBlockId(36), checkpointed: makeTipId(0), proven: makeTipId(0) }, { type: 'blocks-added', blocks: times(9, i => makeBlock(i + 37)) }, ] satisfies L2BlockStreamEvent[]); }); @@ -256,8 +262,8 @@ describe('L2BlockStream', () => { await blockStream.work(); expect(handler.events).toEqual([ { type: 'blocks-added', blocks: times(5, i => makeBlock(i + 41)) }, - { type: 'chain-proven', block: makeBlockId(40) }, - { type: 'chain-finalized', block: makeBlockId(35) }, + { type: 'chain-proven', block: makeBlockId(40), checkpoint: makeCheckpointId(40) }, + { type: 'chain-finalized', block: makeBlockId(35), checkpoint: makeCheckpointId(35) }, ] satisfies L2BlockStreamEvent[]); }); @@ -323,7 +329,8 @@ describe('L2BlockStream', () => { expect(handler.events[0]).toEqual({ type: 'chain-pruned', block: makeBlockId(3), - checkpoint: makeCheckpointId(3), + checkpointed: makeTipId(3), + proven: makeTipId(0), }); }); @@ -384,8 +391,8 @@ describe('L2BlockStream', () => { expectBlocksAdded([30]), expectCheckpointed(30), { type: 'blocks-added', blocks: times(5, i => makeBlock(i + 31)) }, - { type: 'chain-proven', block: makeBlockId(25) }, - { type: 'chain-finalized', block: makeBlockId(10) }, + { type: 'chain-proven', block: makeBlockId(25), checkpoint: makeCheckpointId(25) }, + { type: 'chain-finalized', block: makeBlockId(10), checkpoint: makeCheckpointId(10) }, ]); handler.clearEvents(); @@ -393,7 +400,7 @@ describe('L2BlockStream', () => { setRemoteTips(25, 25, 25, 10); await blockStream.work(); expect(handler.events).toEqual([ - { type: 'chain-pruned', block: makeBlockId(25), checkpoint: makeCheckpointId(25) }, + { type: 'chain-pruned', block: makeBlockId(25), checkpointed: makeTipId(25), proven: makeTipId(25) }, ]); }); @@ -413,7 +420,7 @@ describe('L2BlockStream', () => { setRemoteTips(6, 5); await blockStream.work(); expect(handler.events).toEqual([ - { type: 'chain-pruned', block: makeBlockId(6), checkpoint: makeCheckpointId(5) }, + { type: 'chain-pruned', block: makeBlockId(6), checkpointed: makeTipId(5), proven: makeTipId(0) }, ]); handler.clearEvents(); @@ -1095,7 +1102,12 @@ describe('L2BlockStream', () => { { type: 'chain-pruned', block: makeBlockId(6), - checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + checkpointed: expect.objectContaining({ + checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + }), + proven: expect.objectContaining({ + block: expect.objectContaining({ number: BlockNumber(0) }), + }), }, ]); @@ -1135,7 +1147,7 @@ describe('L2BlockStream', () => { expectBlocksAdded([7, 8, 9]), expectCheckpointed(3), expectBlocksAdded([10, 11, 12]), - { type: 'chain-proven', block: makeBlockId(6) }, + { type: 'chain-proven', block: makeBlockId(6), checkpoint: makeCheckpointId(2) }, ]); handler.clearEvents(); @@ -1158,12 +1170,18 @@ describe('L2BlockStream', () => { await blockStream.work(); - // Should emit chain-pruned back to block 6 + // Should emit chain-pruned back to block 6, carrying the source proven tip (block 6 / ckpt 2) expect(handler.events).toEqual([ { type: 'chain-pruned', block: makeBlockId(6), - checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + checkpointed: expect.objectContaining({ + checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + }), + proven: expect.objectContaining({ + block: expect.objectContaining({ number: BlockNumber(6) }), + checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + }), }, ]); @@ -1191,7 +1209,7 @@ describe('L2BlockStream', () => { expectCheckpointed(4), expectBlocksAdded([13, 14, 15]), expectCheckpointed(5), - { type: 'chain-proven', block: makeBlockId(9) }, + { type: 'chain-proven', block: makeBlockId(9), checkpoint: makeCheckpointId(3) }, ]); }); @@ -1229,7 +1247,12 @@ describe('L2BlockStream', () => { { type: 'chain-pruned', block: makeBlockId(3), - checkpoint: expect.objectContaining({ number: CheckpointNumber(1) }), + checkpointed: expect.objectContaining({ + checkpoint: expect.objectContaining({ number: CheckpointNumber(1) }), + }), + proven: expect.objectContaining({ + block: expect.objectContaining({ number: BlockNumber(0) }), + }), }, ]); @@ -1284,7 +1307,12 @@ describe('L2BlockStream', () => { { type: 'chain-pruned', block: makeBlockId(0), - checkpoint: expect.objectContaining({ number: CheckpointNumber(0) }), + checkpointed: expect.objectContaining({ + checkpoint: expect.objectContaining({ number: CheckpointNumber(0) }), + }), + proven: expect.objectContaining({ + block: expect.objectContaining({ number: BlockNumber(0) }), + }), }, ]); @@ -1344,7 +1372,12 @@ describe('L2BlockStream', () => { { type: 'chain-pruned', block: makeBlockId(0), - checkpoint: expect.objectContaining({ number: CheckpointNumber(0) }), + checkpointed: expect.objectContaining({ + checkpoint: expect.objectContaining({ number: CheckpointNumber(0) }), + }), + proven: expect.objectContaining({ + block: expect.objectContaining({ number: BlockNumber(0) }), + }), }, ]); @@ -1451,7 +1484,12 @@ describe('L2BlockStream', () => { { type: 'chain-pruned', block: makeBlockId(6), - checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + checkpointed: expect.objectContaining({ + checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + }), + proven: expect.objectContaining({ + block: expect.objectContaining({ number: BlockNumber(0) }), + }), }, ]); }); @@ -1492,7 +1530,12 @@ describe('L2BlockStream', () => { { type: 'chain-pruned', block: makeBlockId(3), - checkpoint: expect.objectContaining({ number: CheckpointNumber(1) }), + checkpointed: expect.objectContaining({ + checkpoint: expect.objectContaining({ number: CheckpointNumber(1) }), + }), + proven: expect.objectContaining({ + block: expect.objectContaining({ number: BlockNumber(0) }), + }), }, ]); }); @@ -1508,8 +1551,8 @@ describe('L2BlockStream', () => { expectBlocksAdded([1, 2, 3]), expectBlocksAdded([4, 5, 6]), expectBlocksAdded([7, 8, 9]), - { type: 'chain-proven', block: makeBlockId(6) }, - { type: 'chain-finalized', block: makeBlockId(3) }, + { type: 'chain-proven', block: makeBlockId(6), checkpoint: makeCheckpointId(2) }, + { type: 'chain-finalized', block: makeBlockId(3), checkpoint: makeCheckpointId(1) }, ]); }); @@ -1541,8 +1584,8 @@ describe('L2BlockStream', () => { expectBlocksAdded([6]), expectBlocksAdded([7, 8, 9]), expectBlocksAdded([10, 11, 12]), - { type: 'chain-proven', block: makeBlockId(9) }, - { type: 'chain-finalized', block: makeBlockId(6) }, + { type: 'chain-proven', block: makeBlockId(9), checkpoint: makeCheckpointId(3) }, + { type: 'chain-finalized', block: makeBlockId(6), checkpoint: makeCheckpointId(2) }, ]); }); @@ -1578,7 +1621,12 @@ describe('L2BlockStream', () => { { type: 'chain-pruned', block: makeBlockId(6), - checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + checkpointed: expect.objectContaining({ + checkpoint: expect.objectContaining({ number: CheckpointNumber(2) }), + }), + proven: expect.objectContaining({ + block: expect.objectContaining({ number: BlockNumber(0) }), + }), }, ]); @@ -1629,8 +1677,8 @@ describe('L2BlockStream', () => { // Instead of fetching the next local block (6), we skip ahead to the latest finalized (35) and go from there. expect(handler.events).toEqual([ { type: 'blocks-added', blocks: times(6, i => makeBlock(i + 35)) }, - { type: 'chain-proven', block: makeBlockId(38) }, - { type: 'chain-finalized', block: makeBlockId(35) }, + { type: 'chain-proven', block: makeBlockId(38), checkpoint: makeCheckpointId(38) }, + { type: 'chain-finalized', block: makeBlockId(35), checkpoint: makeCheckpointId(35) }, ] satisfies L2BlockStreamEvent[]); }); @@ -1689,8 +1737,8 @@ describe('L2BlockStream', () => { expectBlocksAdded([9]), expectCheckpointed(9), { type: 'blocks-added', blocks: times(3, i => makeBlock(i + 10)) }, - { type: 'chain-proven', block: makeBlockId(9) }, - { type: 'chain-finalized', block: makeBlockId(6) }, + { type: 'chain-proven', block: makeBlockId(9), checkpoint: makeCheckpointId(9) }, + { type: 'chain-finalized', block: makeBlockId(6), checkpoint: makeCheckpointId(6) }, ]); }); @@ -1760,9 +1808,53 @@ describe('L2BlockStream', () => { }), }), { type: 'blocks-added', blocks: times(2, i => makeBlock(i + 39)) }, - { type: 'chain-proven', block: makeBlockId(38) }, - { type: 'chain-finalized', block: makeBlockId(35) }, + { type: 'chain-proven', block: makeBlockId(38), checkpoint: makeCheckpointId(38) }, + { type: 'chain-finalized', block: makeBlockId(35), checkpoint: makeCheckpointId(35) }, + ]); + }); + }); + + describe('local provider without checkpointed tip', () => { + let localData: TestLocalChainTipsProvider; + let handler: TestL2BlockStreamEventHandler; + + beforeEach(() => { + localData = new TestLocalChainTipsProvider(); + handler = new TestL2BlockStreamEventHandler(); + }); + + it('syncs blocks with ignoreCheckpoints when no checkpointed tip is provided', async () => { + setRemoteTips(5, 5); + const blockStream = new TestL2BlockStream(blockSource, localData, handler, undefined, { + batchSize: 10, + ignoreCheckpoints: true, + }); + + await blockStream.work(); + + // All 5 blocks are synced (one per checkpoint in the mock) and no checkpoint events are emitted. + expect(handler.events).toEqual([ + expectBlocksAdded([1]), + expectBlocksAdded([2]), + expectBlocksAdded([3]), + expectBlocksAdded([4]), + expectBlocksAdded([5]), ]); + expect(handler.events.every(e => e.type === 'blocks-added')).toBe(true); + }); + + it('surfaces a loud error when checkpoint emission is enabled without a checkpointed tip', async () => { + setRemoteTips(5, 5); + const log = mock(); + const blockStream = new TestL2BlockStream(blockSource, localData, handler, log, { batchSize: 10 }); + + await blockStream.work(); + + expect(handler.events).toEqual([]); + expect(log.error).toHaveBeenCalledWith( + `Error processing block stream`, + expect.objectContaining({ message: expect.stringContaining('does not expose a checkpointed tip') }), + ); }); }); }); @@ -1798,10 +1890,6 @@ class TestL2BlockStreamLocalDataProvider implements L2BlockStreamLocalDataProvid block: { number: BlockNumber.ZERO, hash: GENESIS_BLOCK_HEADER_HASH.toString() }, checkpoint: { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }, }; - public proposedCheckpointed = { - block: { number: BlockNumber.ZERO, hash: GENESIS_BLOCK_HEADER_HASH.toString() }, - checkpoint: { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }, - }; public proven = { block: { number: BlockNumber.ZERO, hash: GENESIS_BLOCK_HEADER_HASH.toString() }, checkpoint: { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }, @@ -1817,11 +1905,33 @@ class TestL2BlockStreamLocalDataProvider implements L2BlockStreamLocalDataProvid ); } - public getL2Tips(): Promise { + public getL2Tips(): Promise { return Promise.resolve({ proposed: this.proposed, checkpointed: this.checkpointed, - proposedCheckpoint: this.proposedCheckpointed, + proven: this.proven, + finalized: this.finalized, + }); + } +} + +/** Local provider that omits `checkpointed`, mirroring world-state's `ignoreCheckpoints` configuration. */ +class TestLocalChainTipsProvider implements L2BlockStreamLocalDataProvider { + public readonly blockHashes: Record = {}; + + public proposed = { number: BlockNumber.ZERO, hash: GENESIS_BLOCK_HEADER_HASH.toString() }; + public proven = { block: { number: BlockNumber.ZERO, hash: GENESIS_BLOCK_HEADER_HASH.toString() } }; + public finalized = { block: { number: BlockNumber.ZERO, hash: GENESIS_BLOCK_HEADER_HASH.toString() } }; + + public getL2BlockHash(number: number): Promise { + return Promise.resolve( + number > this.proposed.number ? undefined : (this.blockHashes[number] ?? new Fr(number).toString()), + ); + } + + public getL2Tips(): Promise { + return Promise.resolve({ + proposed: this.proposed, proven: this.proven, finalized: this.finalized, }); diff --git a/yarn-project/stdlib/src/block/l2_block_stream/l2_block_stream.ts b/yarn-project/stdlib/src/block/l2_block_stream/l2_block_stream.ts index 9a38e28d8d9c..3d5280e1684d 100644 --- a/yarn-project/stdlib/src/block/l2_block_stream/l2_block_stream.ts +++ b/yarn-project/stdlib/src/block/l2_block_stream/l2_block_stream.ts @@ -70,6 +70,13 @@ export class L2BlockStream { const localTips = await this.localData.getL2Tips(); this.log.trace(`Running L2 block stream`, { sourceTips, localTips }); + if (!this.opts.ignoreCheckpoints && localTips.checkpointed === undefined) { + throw new Error( + 'Local data provider does not expose a checkpointed tip; checkpoint events require one ' + + '(set ignoreCheckpoints or provide checkpointed tips).', + ); + } + // Check if there was a reorg and emit a chain-pruned event if so. let latestBlockNumber = localTips.proposed.number; const sourceCache = new BlockHashCache([sourceTips.proposed]); @@ -105,7 +112,8 @@ export class L2BlockStream { await this.emitEvent({ type: 'chain-pruned', block: makeL2BlockId(latestBlockNumber, hash), - checkpoint: sourceTips.checkpointed.checkpoint, + checkpointed: sourceTips.checkpointed, + proven: sourceTips.proven, }); } @@ -122,7 +130,12 @@ export class L2BlockStream { } let nextBlockNumber = latestBlockNumber + 1; - let nextCheckpointToEmit = CheckpointNumber(localTips.checkpointed.checkpoint.number + 1); + // When checkpoints are ignored the local provider may omit `checkpointed`; in that case the fallback to + // CheckpointNumber.ZERO is harmless because `nextCheckpointToEmit` is never consumed for emission (Loop 1 and + // the startingBlock/skipFinalized adjustments below only feed checkpoint emission, which is gated off). + let nextCheckpointToEmit = CheckpointNumber( + (localTips.checkpointed?.checkpoint.number ?? CheckpointNumber.ZERO) + 1, + ); // When startingBlock is set, also skip ahead for checkpoints. if ( @@ -261,10 +274,15 @@ export class L2BlockStream { await this.emitEvent({ type: 'chain-proven', block: sourceTips.proven.block, + checkpoint: sourceTips.proven.checkpoint, }); } if (localTips.finalized !== undefined && sourceTips.finalized.block.number !== localTips.finalized.block.number) { - await this.emitEvent({ type: 'chain-finalized', block: sourceTips.finalized.block }); + await this.emitEvent({ + type: 'chain-finalized', + block: sourceTips.finalized.block, + checkpoint: sourceTips.finalized.checkpoint, + }); } } catch (err: any) { if (err.name === 'AbortError') { diff --git a/yarn-project/stdlib/src/block/l2_block_stream/l2_tips_memory_store.ts b/yarn-project/stdlib/src/block/l2_block_stream/l2_tips_memory_store.ts index ab5f9e5f5752..08420b378077 100644 --- a/yarn-project/stdlib/src/block/l2_block_stream/l2_tips_memory_store.ts +++ b/yarn-project/stdlib/src/block/l2_block_stream/l2_tips_memory_store.ts @@ -1,8 +1,7 @@ -import { BlockNumber, CheckpointNumber } from '@aztec/foundation/branded-types'; +import type { BlockNumber } from '@aztec/foundation/branded-types'; -import type { PublishedCheckpoint } from '../../checkpoint/published_checkpoint.js'; import type { BlockHash } from '../block_hash.js'; -import type { L2BlockTag } from '../l2_block_source.js'; +import type { CheckpointId, L2BlockTag } from '../l2_block_source.js'; import { L2TipsStoreBase } from './l2_tips_store_base.js'; /** @@ -15,9 +14,8 @@ export class L2TipsMemoryStore extends L2TipsStoreBase { } private readonly tips = new Map(); + private readonly tipCheckpoints = new Map(); private readonly blockHashes = new Map(); - private readonly blockToCheckpoint = new Map(); - private readonly checkpoints = new Map(); protected getTip(tag: L2BlockTag): Promise { return Promise.resolve(this.tips.get(tag)); @@ -28,6 +26,15 @@ export class L2TipsMemoryStore extends L2TipsStoreBase { return Promise.resolve(); } + protected getTipCheckpoint(tag: L2BlockTag): Promise { + return Promise.resolve(this.tipCheckpoints.get(tag)); + } + + protected setTipCheckpoint(tag: L2BlockTag, checkpoint: CheckpointId): Promise { + this.tipCheckpoints.set(tag, checkpoint); + return Promise.resolve(); + } + protected getStoredBlockHash(blockNumber: BlockNumber): Promise { return Promise.resolve(this.blockHashes.get(blockNumber)); } @@ -46,42 +53,6 @@ export class L2TipsMemoryStore extends L2TipsStoreBase { return Promise.resolve(); } - protected getCheckpointNumberForBlock(blockNumber: BlockNumber): Promise { - return Promise.resolve(this.blockToCheckpoint.get(blockNumber)); - } - - protected setCheckpointNumberForBlock(blockNumber: BlockNumber, checkpointNumber: CheckpointNumber): Promise { - this.blockToCheckpoint.set(blockNumber, checkpointNumber); - return Promise.resolve(); - } - - protected deleteBlockToCheckpointBefore(blockNumber: BlockNumber): Promise { - for (const key of this.blockToCheckpoint.keys()) { - if (key < blockNumber) { - this.blockToCheckpoint.delete(key); - } - } - return Promise.resolve(); - } - - protected getCheckpoint(checkpointNumber: CheckpointNumber): Promise { - return Promise.resolve(this.checkpoints.get(checkpointNumber)); - } - - protected saveCheckpointData(checkpoint: PublishedCheckpoint): Promise { - this.checkpoints.set(checkpoint.checkpoint.number, checkpoint); - return Promise.resolve(); - } - - protected deleteCheckpointsBefore(checkpointNumber: CheckpointNumber): Promise { - for (const key of this.checkpoints.keys()) { - if (key < checkpointNumber) { - this.checkpoints.delete(key); - } - } - return Promise.resolve(); - } - protected runInTransaction(fn: () => Promise): Promise { // Memory store doesn't need transactions - just execute immediately return fn(); diff --git a/yarn-project/stdlib/src/block/l2_block_stream/l2_tips_store_base.ts b/yarn-project/stdlib/src/block/l2_block_stream/l2_tips_store_base.ts index ca5c10b5c30d..37a576424b29 100644 --- a/yarn-project/stdlib/src/block/l2_block_stream/l2_tips_store_base.ts +++ b/yarn-project/stdlib/src/block/l2_block_stream/l2_tips_store_base.ts @@ -1,6 +1,5 @@ import { BlockNumber, CheckpointNumber } from '@aztec/foundation/branded-types'; -import type { PublishedCheckpoint } from '../../checkpoint/published_checkpoint.js'; import type { BlockHash } from '../block_hash.js'; import type { L2Block } from '../l2_block.js'; import { @@ -8,7 +7,7 @@ import { GENESIS_CHECKPOINT_HEADER_HASH, type L2BlockId, type L2BlockTag, - type L2Tips, + type LocalL2Tips, } from '../l2_block_source.js'; import type { L2BlockStreamEvent, L2BlockStreamEventHandler, L2BlockStreamLocalDataProvider } from './interfaces.js'; @@ -26,6 +25,12 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl /** Sets the block number for a given tag. */ protected abstract setTip(tag: L2BlockTag, blockNumber: BlockNumber): Promise; + /** Gets the checkpoint id recorded for a given tag, if any. */ + protected abstract getTipCheckpoint(tag: L2BlockTag): Promise; + + /** Records the checkpoint id for a given tag. */ + protected abstract setTipCheckpoint(tag: L2BlockTag, checkpoint: CheckpointId): Promise; + /** Gets the block hash for a given block number. */ protected abstract getStoredBlockHash(blockNumber: BlockNumber): Promise; @@ -35,27 +40,6 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl /** Deletes all block hashes for blocks before the given block number. */ protected abstract deleteBlockHashesBefore(blockNumber: BlockNumber): Promise; - /** Gets the checkpoint number for a given block number. */ - protected abstract getCheckpointNumberForBlock(blockNumber: BlockNumber): Promise; - - /** Sets the checkpoint number for a given block number. */ - protected abstract setCheckpointNumberForBlock( - blockNumber: BlockNumber, - checkpointNumber: CheckpointNumber, - ): Promise; - - /** Deletes all block-to-checkpoint mappings for blocks before the given block number. */ - protected abstract deleteBlockToCheckpointBefore(blockNumber: BlockNumber): Promise; - - /** Gets a checkpoint by its number. */ - protected abstract getCheckpoint(checkpointNumber: CheckpointNumber): Promise; - - /** Saves a checkpoint. */ - protected abstract saveCheckpointData(checkpoint: PublishedCheckpoint): Promise; - - /** Deletes all checkpoints before the given checkpoint number. */ - protected abstract deleteCheckpointsBefore(checkpointNumber: CheckpointNumber): Promise; - /** Runs the given function in a transaction. Memory stores can just execute immediately. */ protected abstract runInTransaction(fn: () => Promise): Promise; @@ -68,31 +52,26 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl return this.getStoredBlockHash(number); } - public getL2Tips(): Promise { + public getL2Tips(): Promise { return this.runInTransaction(async () => { - const [proposedBlockId, finalizedBlockId, provenBlockId, checkpointedBlockId, proposedCheckpointBlockId] = - await Promise.all([ - this.getBlockId('proposed'), - this.getBlockId('finalized'), - this.getBlockId('proven'), - this.getBlockId('checkpointed'), - this.getBlockId('proposedCheckpoint'), - ]); + const [proposedBlockId, finalizedBlockId, provenBlockId, checkpointedBlockId] = await Promise.all([ + this.getBlockId('proposed'), + this.getBlockId('finalized'), + this.getBlockId('proven'), + this.getBlockId('checkpointed'), + ]); - const [finalizedCheckpointId, provenCheckpointId, checkpointedCheckpointId, proposedCheckpointId] = - await Promise.all([ - this.getCheckpointId('finalized'), - this.getCheckpointId('proven'), - this.getCheckpointId('checkpointed'), - this.getCheckpointId('proposedCheckpoint'), - ]); + const [finalizedCheckpointId, provenCheckpointId, checkpointedCheckpointId] = await Promise.all([ + this.getCheckpointId('finalized'), + this.getCheckpointId('proven'), + this.getCheckpointId('checkpointed'), + ]); return { proposed: proposedBlockId, finalized: { block: finalizedBlockId, checkpoint: finalizedCheckpointId }, proven: { block: provenBlockId, checkpoint: provenCheckpointId }, checkpointed: { block: checkpointedBlockId, checkpoint: checkpointedCheckpointId }, - proposedCheckpoint: { block: proposedCheckpointBlockId, checkpoint: proposedCheckpointId }, }; }); } @@ -139,17 +118,21 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl private async getCheckpointId(tag: L2BlockTag): Promise { const blockNumber = await this.getTip(tag); if (blockNumber === undefined || blockNumber === 0) { - return { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }; - } - const checkpointNumber = await this.getCheckpointNumberForBlock(blockNumber); - if (checkpointNumber === undefined) { - return { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }; + return this.genesisCheckpointId(); } - const checkpoint = await this.getCheckpoint(checkpointNumber); - if (!checkpoint) { - throw new Error(`Checkpoint not found for checkpoint number ${checkpointNumber}`); + // The checkpoint id recorded for this cursor when it was last advanced is the single source of truth. + // The writers (handleChainCheckpointed/Proven/Finalized/Pruned) always record an id alongside any + // non-genesis cursor advance, so a missing id on a real block is genuine store corruption. Fail loudly + // rather than silently reporting checkpoint zero, which would drive a checkpoint-replay storm. + const storedCheckpoint = await this.getTipCheckpoint(tag); + if (storedCheckpoint !== undefined) { + return storedCheckpoint; } - return { number: checkpointNumber, hash: checkpoint.checkpoint.hash().toString() }; + throw new Error(`No checkpoint id recorded for ${tag} tip at block ${blockNumber}; the L2 tips store is corrupted`); + } + + private genesisCheckpointId(): CheckpointId { + return { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }; } private async handleBlocksAdded(event: L2BlockStreamEvent): Promise { @@ -170,14 +153,12 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl return; } await this.runInTransaction(async () => { + const checkpointId: CheckpointId = { + number: event.checkpoint.checkpoint.number, + hash: event.checkpoint.checkpoint.hash().toString(), + }; await this.saveTag('checkpointed', event.block); - await this.saveCheckpoint(event.checkpoint); - // proposedCheckpoint is always >= checkpointed. If checkpointed has caught up - // or surpassed it, advance proposedCheckpoint to match. - const proposedCheckpointBlock = await this.getBlockId('proposedCheckpoint'); - if (event.block.number > proposedCheckpointBlock.number) { - await this.saveTag('proposedCheckpoint', event.block); - } + await this.setTipCheckpoint('checkpointed', checkpointId); }); } @@ -188,13 +169,24 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl await this.runInTransaction(async () => { // A prune is a rollback: the proposed tip moves to the prune target unconditionally, but // checkpoint-bearing cursors may only move backward. Forward-advancing them onto an - // uncheckpointed block leaves them on a block with no checkpoint mapping, which getCheckpointId - // would otherwise resolve to checkpoint zero and drive a replay storm. + // uncheckpointed block leaves them on a block with no recorded checkpoint id, which getCheckpointId + // would then throw on. await this.saveTag('proposed', event.block); - for (const tag of ['checkpointed', 'proposedCheckpoint', 'proven'] as const) { + + // Clamp each checkpoint-bearing cursor down to its OWN source tip when it leads it. Clamping the proven + // cursor onto the checkpointed tip would transiently report unproven blocks as proven (the source's proven + // tip can sit below its checkpointed tip after a proof-tx reorg), until the corrective chain-proven event + // lands at the end of the same sync iteration. The event carries a valid (block, id) pair for each + // boundary, so the clamped cursor always resolves to a recorded id. The source guarantees proven <= + // checkpointed, so clamping each cursor to its own tip preserves the local proven <= checkpointed invariant. + for (const { tag, sourceTip } of [ + { tag: 'checkpointed', sourceTip: event.checkpointed }, + { tag: 'proven', sourceTip: event.proven }, + ] as const) { const current = await this.getTip(tag); - if (current !== undefined && current > event.block.number) { - await this.saveTag(tag, event.block); + if (current !== undefined && current > sourceTip.block.number) { + await this.saveTag(tag, sourceTip.block); + await this.setTipCheckpoint(tag, sourceTip.checkpoint); } } }); @@ -206,6 +198,7 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl } await this.runInTransaction(async () => { await this.saveTag('proven', event.block); + await this.setTipCheckpoint('proven', event.checkpoint); }); } @@ -215,33 +208,16 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl } await this.runInTransaction(async () => { await this.saveTag('finalized', event.block); - const finalizedCheckpointNumber = await this.getCheckpointNumberForBlock(event.block.number); + await this.setTipCheckpoint('finalized', event.checkpoint); - // Cap the deletion bound at the lowest live tip. This should always be the finalized tip, but - // we have hit bugs where this is not the case. Deleting the block hash, block-to-checkpoint mapping, - // or enclosing checkpoint object for a live tip would dangle subsequent `getBlockId`/`getCheckpointId` + // Prune block hashes below the lowest live tip. Cap the deletion bound at the lowest live tip rather + // than the finalized tip alone: this should always be the finalized tip, but we have hit bugs where + // this is not the case. Deleting the block hash for a live tip would dangle subsequent `getBlockId` // lookups and lock the block stream into an error loop. - const tips = await Promise.all([ - this.getTip('proposed'), - this.getTip('proposedCheckpoint'), - this.getTip('checkpointed'), - this.getTip('proven'), - ]); + const tips = await Promise.all([this.getTip('proposed'), this.getTip('checkpointed'), this.getTip('proven')]); const liveTipBlocks = tips.filter((t): t is BlockNumber => t !== undefined && t > 0); const safeBlockBound = BlockNumber(Math.min(event.block.number, ...liveTipBlocks)); await this.deleteBlockHashesBefore(safeBlockBound); - await this.deleteBlockToCheckpointBefore(safeBlockBound); - - if (finalizedCheckpointNumber !== undefined) { - const tipCheckpoints = await Promise.all(liveTipBlocks.map(b => this.getCheckpointNumberForBlock(b))); - const safeCheckpointBound = CheckpointNumber( - Math.min( - finalizedCheckpointNumber, - ...tipCheckpoints.filter((c): c is CheckpointNumber => c !== undefined && c > 0), - ), - ); - await this.deleteCheckpointsBefore(safeCheckpointBound); - } }); } @@ -251,14 +227,4 @@ export abstract class L2TipsStoreBase implements L2BlockStreamEventHandler, L2Bl await this.setBlockHash(block.number, block.hash); } } - - private async saveCheckpoint(publishedCheckpoint: PublishedCheckpoint): Promise { - const checkpoint = publishedCheckpoint.checkpoint; - const lastBlock = checkpoint.blocks.at(-1)!; - // Only store the mapping for the last block since tips only point to checkpoint boundaries - await Promise.all([ - this.setCheckpointNumberForBlock(lastBlock.number, checkpoint.number), - this.saveCheckpointData(publishedCheckpoint), - ]); - } } diff --git a/yarn-project/stdlib/src/block/test/l2_tips_store_test_suite.ts b/yarn-project/stdlib/src/block/test/l2_tips_store_test_suite.ts index 12af115cf97a..7335058c452f 100644 --- a/yarn-project/stdlib/src/block/test/l2_tips_store_test_suite.ts +++ b/yarn-project/stdlib/src/block/test/l2_tips_store_test_suite.ts @@ -6,6 +6,7 @@ import { GENESIS_CHECKPOINT_HEADER_HASH, L2Block, type L2BlockId, + type L2BlockTag, type L2TipId, } from '@aztec/stdlib/block'; import { Checkpoint, L1PublishedData, PublishedCheckpoint } from '@aztec/stdlib/checkpoint'; @@ -67,18 +68,11 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { checkpoint: makeCheckpointIdForBlock(blockNumber), }); - const makeTips = ( - proposed: number, - proven: number, - finalized: number, - checkpointed: number = 0, - proposedCheckpoint: number = 0, - ) => ({ + const makeTips = (proposed: number, proven: number, finalized: number, checkpointed: number = 0) => ({ proposed: makeTip(proposed), proven: makeTipId(proven), finalized: makeTipId(finalized), checkpointed: makeTipId(checkpointed), - proposedCheckpoint: makeTipId(proposedCheckpoint), }); const makeCheckpoint = async (checkpointNumber: number, blocks: L2Block[]): Promise => { @@ -153,7 +147,11 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent(await makeCheckpointedEvent(checkpoint1)); // Prove up to block 5 - await tipsStore.handleBlockStreamEvent({ type: 'chain-proven', block: makeBlockId(5) }); + await tipsStore.handleBlockStreamEvent({ + type: 'chain-proven', + block: makeBlockId(5), + checkpoint: makeCheckpointIdForBlock(5), + }); const tips = await tipsStore.getL2Tips(); expect(tips.proposed).toEqual(makeTip(5)); @@ -173,8 +171,16 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent(await makeCheckpointedEvent(checkpoint1)); // Prove and finalize - await tipsStore.handleBlockStreamEvent({ type: 'chain-proven', block: makeBlockId(5) }); - await tipsStore.handleBlockStreamEvent({ type: 'chain-finalized', block: makeBlockId(5) }); + await tipsStore.handleBlockStreamEvent({ + type: 'chain-proven', + block: makeBlockId(5), + checkpoint: makeCheckpointIdForBlock(5), + }); + await tipsStore.handleBlockStreamEvent({ + type: 'chain-finalized', + block: makeBlockId(5), + checkpoint: makeCheckpointIdForBlock(5), + }); const tips = await tipsStore.getL2Tips(); expect(tips.proposed).toEqual(makeTip(5)); @@ -229,8 +235,16 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent(await makeCheckpointedEvent(checkpoint2)); // Prove and finalize up to block 3 (checkpoint 1) - await tipsStore.handleBlockStreamEvent({ type: 'chain-proven', block: makeBlockId(3) }); - await tipsStore.handleBlockStreamEvent({ type: 'chain-finalized', block: makeBlockId(3) }); + await tipsStore.handleBlockStreamEvent({ + type: 'chain-proven', + block: makeBlockId(3), + checkpoint: makeCheckpointIdForBlock(3), + }); + await tipsStore.handleBlockStreamEvent({ + type: 'chain-finalized', + block: makeBlockId(3), + checkpoint: makeCheckpointIdForBlock(3), + }); // Blocks before finalized should be cleared expect(await tipsStore.getL2BlockHash(1)).toBeUndefined(); @@ -250,7 +264,8 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent({ type: 'chain-pruned', block: makeBlockId(5), - checkpoint: { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }, + checkpointed: makeTipId(0), + proven: makeTipId(0), }); const tips = await tipsStore.getL2Tips(); @@ -274,7 +289,8 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent({ type: 'chain-pruned', block: makeTip(0), - checkpoint: { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }, + checkpointed: makeTipId(0), + proven: makeTipId(0), }); tips = await tipsStore.getL2Tips(); @@ -339,7 +355,8 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent({ type: 'chain-pruned', block: makeBlockId(5), - checkpoint: { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }, + checkpointed: makeTipId(5), + proven: makeTipId(0), }); tips = await tipsStore.getL2Tips(); @@ -403,7 +420,8 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent({ type: 'chain-pruned', block: makeBlockId(3), - checkpoint: { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }, + checkpointed: makeTipId(3), + proven: makeTipId(0), }); tips = await tipsStore.getL2Tips(); @@ -440,7 +458,11 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent(await makeCheckpointedEvent(checkpoint1)); // Prove up to block 3 - await tipsStore.handleBlockStreamEvent({ type: 'chain-proven', block: makeBlockId(3) }); + await tipsStore.handleBlockStreamEvent({ + type: 'chain-proven', + block: makeBlockId(3), + checkpoint: makeCheckpointIdForBlock(3), + }); let tips = await tipsStore.getL2Tips(); expect(tips.proposed).toEqual(makeTip(3)); @@ -481,7 +503,8 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { await tipsStore.handleBlockStreamEvent({ type: 'chain-pruned', block: makeBlockId(3), - checkpoint: { number: CheckpointNumber.ZERO, hash: GENESIS_CHECKPOINT_HEADER_HASH.toString() }, + checkpointed: makeTipId(3), + proven: makeTipId(3), }); tips = await tipsStore.getL2Tips(); @@ -530,16 +553,97 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { expect(await tipsStore.getL2BlockHash(7)).not.toEqual(originalHash7); }); - // Regression test for #13142 - it('does not blow up when setting proven chain on an unseen block number', async () => { + // Regression test for #13142: proving an unseen block number (one with no local block->checkpoint + // mapping) must not blow up. With per-cursor checkpoint ids, the proven tip resolves to the + // checkpoint id carried by the event rather than falling back to checkpoint zero. + it('resolves the proven checkpoint from the carried id when setting proven on an unseen block number', async () => { await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: [await makeBlock(5)] }); - await tipsStore.handleBlockStreamEvent({ type: 'chain-proven', block: makeBlockId(3) }); + // Block 3 has no local block->checkpoint mapping, but the event carries a real checkpoint id. + const carriedCheckpoint: CheckpointId = { number: CheckpointNumber(1), hash: new Fr(42).toString() }; + await tipsStore.handleBlockStreamEvent({ + type: 'chain-proven', + block: makeBlockId(3), + checkpoint: carriedCheckpoint, + }); const tips = await tipsStore.getL2Tips(); expect(tips.proposed).toEqual(makeTip(5)); expect(tips.proven.block).toEqual(makeTip(3)); - // No checkpoint for block 3 since it wasn't checkpointed - expect(tips.proven.checkpoint.number).toEqual(CheckpointNumber.ZERO); + // Resolved from the carried id, not the (missing) local mapping. + expect(tips.proven.checkpoint).toEqual(carriedCheckpoint); + }); + + // proven/finalized resolve to the carried checkpoint id even when the block has no local + // block->checkpoint mapping (the cursor legitimately leads the locally-checkpointed frontier). + it('resolves proven and finalized checkpoints from carried ids without a local mapping', async () => { + await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: [await makeBlock(7)] }); + const provenCheckpoint: CheckpointId = { number: CheckpointNumber(2), hash: new Fr(101).toString() }; + const finalizedCheckpoint: CheckpointId = { number: CheckpointNumber(1), hash: new Fr(100).toString() }; + await tipsStore.handleBlockStreamEvent({ + type: 'chain-proven', + block: makeBlockId(5), + checkpoint: provenCheckpoint, + }); + await tipsStore.handleBlockStreamEvent({ + type: 'chain-finalized', + block: makeBlockId(3), + checkpoint: finalizedCheckpoint, + }); + + const tips = await tipsStore.getL2Tips(); + expect(tips.proven.checkpoint).toEqual(provenCheckpoint); + expect(tips.finalized.checkpoint).toEqual(finalizedCheckpoint); + }); + + // Genuine corruption: a cursor points at a real (non-genesis) block that has a block hash but + // neither a stored per-cursor checkpoint id nor a block->checkpoint mapping. getL2Tips must throw + // loudly rather than silently report checkpoint zero. We reach this state by reaching past the + // event API to place the tip directly, since the normal writers always record an id. + it('throws when a cursor points at a real block with neither a stored id nor a mapping', async () => { + // blocks-added records the block hash for block 5 (so getBlockId succeeds) but no checkpoint id. + await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: [await makeBlock(5)] }); + // Corrupt the proven cursor to point at block 5 without any id or mapping. + const internal = tipsStore as unknown as { setTip(tag: L2BlockTag, blockNumber: BlockNumber): Promise }; + await internal.setTip('proven', BlockNumber(5)); + + await expect(tipsStore.getL2Tips()).rejects.toThrow(/checkpoint/i); + }); + + // Backward prune of a leading cursor: a checkpoint-bearing cursor that legitimately leads the source's + // confirmed checkpointed tip is clamped down to that tip, resolving to the id the prune event carries + // (never genesis, never a throw). This is the skipped-history shape where the cursor sits on a block + // ahead of the checkpointed frontier. + it('clamps a leading checkpoint cursor down to the source checkpointed tip carried by the prune event', async () => { + // Checkpoint blocks 1-5 (checkpointed = block 5 / ckpt 1), then add uncheckpointed blocks 6-10. + const blocks1to5 = await Promise.all(times(5, i => makeBlock(i + 1))); + await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: blocks1to5 }); + const checkpoint1 = await makeCheckpoint(1, blocks1to5); + await tipsStore.handleBlockStreamEvent(await makeCheckpointedEvent(checkpoint1)); + const blocks6to10 = await Promise.all(times(5, i => makeBlock(i + 6))); + await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: blocks6to10 }); + + // Advance the proven cursor onto an uncheckpointed block (8) via a carried id, so it LEADS the + // source checkpointed tip (block 5) and will be clamped down to it on prune. + await tipsStore.handleBlockStreamEvent({ + type: 'chain-proven', + block: makeBlockId(8), + checkpoint: { number: CheckpointNumber(2), hash: new Fr(202).toString() }, + }); + + // Prune to block 7, carrying the source's confirmed checkpointed and proven tips (both block 5 / ckpt 1 + // here, the source's proven tip having rolled back together with its checkpointed tip). + await tipsStore.handleBlockStreamEvent({ + type: 'chain-pruned', + block: makeBlockId(7), + checkpointed: makeTipId(5), + proven: makeTipId(5), + }); + + // Must not throw; the proven cursor is clamped to the carried proven tip, resolving to ckpt 1. + const tips = await tipsStore.getL2Tips(); + expect(tips.proposed).toEqual(makeTip(7)); + expect(tips.proven.block).toEqual(makeTip(5)); + expect(tips.proven.checkpoint.number).toEqual(CheckpointNumber(1)); }); it('keeps the checkpointed tip when pruning to an uncheckpointed block ahead of it', async () => { @@ -551,11 +655,13 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { const blocks6to7 = await Promise.all(times(2, i => makeBlock(i + 6))); await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: blocks6to7 }); // proposed = 7 - // Prune to block 6: an uncheckpointed block AHEAD of the checkpointed tip (block 5). + // Prune to block 6: an uncheckpointed block AHEAD of the checkpointed tip (block 5). The source + // checkpointed tip is still block 5 / ckpt 1, so the checkpointed cursor must not move. await tipsStore.handleBlockStreamEvent({ type: 'chain-pruned', block: makeBlockId(6), - checkpoint: makeCheckpointIdForBlock(5), + checkpointed: makeTipId(5), + proven: makeTipId(0), }); const tips = await tipsStore.getL2Tips(); @@ -563,4 +669,49 @@ export function testL2TipsStore(makeTipsStore: () => Promise) { expect(tips.checkpointed.block).toEqual(makeTip(5)); expect(tips.checkpointed.checkpoint.number).toEqual(CheckpointNumber(1)); // must NOT be zero }); + + // Per-cursor clamping on prune: when the source rolls back its proven tip below its checkpointed tip + // (e.g. a proof tx dropped by an L1 reorg), the prune event carries both source tips and each local + // cursor must clamp to its OWN source tip. Clamping the proven cursor onto the (higher) checkpointed + // tip would transiently report unproven blocks as proven until the corrective chain-proven event lands. + it('clamps the proven cursor to the source proven tip, separately from the checkpointed cursor, on prune', async () => { + // Checkpoint blocks 1-15 across three checkpoints (ckpt 1 = 1-5, ckpt 2 = 6-10, ckpt 3 = 11-15). + const blocks1to5 = await Promise.all(times(5, i => makeBlock(i + 1))); + await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: blocks1to5 }); + await tipsStore.handleBlockStreamEvent(await makeCheckpointedEvent(await makeCheckpoint(1, blocks1to5))); + const blocks6to10 = await Promise.all(times(5, i => makeBlock(i + 6))); + await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: blocks6to10 }); + await tipsStore.handleBlockStreamEvent(await makeCheckpointedEvent(await makeCheckpoint(2, blocks6to10))); + const blocks11to15 = await Promise.all(times(5, i => makeBlock(i + 11))); + await tipsStore.handleBlockStreamEvent({ type: 'blocks-added', blocks: blocks11to15 }); + await tipsStore.handleBlockStreamEvent(await makeCheckpointedEvent(await makeCheckpoint(3, blocks11to15))); + + // Prove the whole chain up to block 15 (ckpt 3), so the local proven cursor leads both source tips below. + await tipsStore.handleBlockStreamEvent({ + type: 'chain-proven', + block: makeBlockId(15), + checkpoint: makeCheckpointIdForBlock(15), + }); + + let tips = await tipsStore.getL2Tips(); + expect(tips.checkpointed.block).toEqual(makeTip(15)); + expect(tips.proven.block).toEqual(makeTip(15)); + + // Prune arrives with the source's proven tip (block 5 / ckpt 1) BELOW its checkpointed tip (block 10 / + // ckpt 2) and below the local proven cursor (block 15). Each cursor must clamp to its own source tip. + await tipsStore.handleBlockStreamEvent({ + type: 'chain-pruned', + block: makeBlockId(10), + checkpointed: makeTipId(10), + proven: makeTipId(5), + }); + + tips = await tipsStore.getL2Tips(); + // The proven cursor lands exactly on the source proven tip, NOT on the (higher) checkpointed tip. + expect(tips.proven.block).toEqual(makeTip(5)); + expect(tips.proven.checkpoint.number).toEqual(CheckpointNumber(1)); + // The checkpointed cursor lands on the source checkpointed tip. + expect(tips.checkpointed.block).toEqual(makeTip(10)); + expect(tips.checkpointed.checkpoint.number).toEqual(CheckpointNumber(2)); + }); } diff --git a/yarn-project/txe/src/state_machine/index.ts b/yarn-project/txe/src/state_machine/index.ts index 4e33242b6de0..7d3bd75e23c0 100644 --- a/yarn-project/txe/src/state_machine/index.ts +++ b/yarn-project/txe/src/state_machine/index.ts @@ -83,10 +83,7 @@ export class TXEStateMachine { public get l2TipsProvider(): L2TipsProvider { const node = this.node; return { - getL2Tips: async () => { - const tips = await node.getChainTips(); - return { ...tips, proposedCheckpoint: tips.checkpointed }; - }, + getL2Tips: () => node.getChainTips(), }; } diff --git a/yarn-project/world-state/src/synchronizer/server_world_state_synchronizer.test.ts b/yarn-project/world-state/src/synchronizer/server_world_state_synchronizer.test.ts index 42f5471d609c..07099fc6b150 100644 --- a/yarn-project/world-state/src/synchronizer/server_world_state_synchronizer.test.ts +++ b/yarn-project/world-state/src/synchronizer/server_world_state_synchronizer.test.ts @@ -297,16 +297,10 @@ class TestWorldStateSynchronizer extends ServerWorldStateSynchronizer { } public override getL2Tips() { - const makeTipId = (blockId: typeof this.latest) => ({ - block: blockId, - checkpoint: { number: CheckpointNumber.fromBlockNumber(blockId.number), hash: blockId.hash }, - }); return Promise.resolve({ proposed: this.latest, - checkpointed: makeTipId(this.latest), - proven: makeTipId(this.proven), - finalized: makeTipId(this.finalized), - proposedCheckpoint: makeTipId(this.latest), + proven: { block: this.proven }, + finalized: { block: this.finalized }, }); } } diff --git a/yarn-project/world-state/src/synchronizer/server_world_state_synchronizer.ts b/yarn-project/world-state/src/synchronizer/server_world_state_synchronizer.ts index f46fe2c1b584..429f511a288d 100644 --- a/yarn-project/world-state/src/synchronizer/server_world_state_synchronizer.ts +++ b/yarn-project/world-state/src/synchronizer/server_world_state_synchronizer.ts @@ -1,4 +1,3 @@ -import { INITIAL_CHECKPOINT_NUMBER } from '@aztec/constants'; import { BlockNumber, CheckpointNumber } from '@aztec/foundation/branded-types'; import type { Fr } from '@aztec/foundation/curves/bn254'; import { type Logger, createLogger } from '@aztec/foundation/log'; @@ -6,15 +5,13 @@ import { promiseWithResolvers } from '@aztec/foundation/promise'; import { elapsed } from '@aztec/foundation/timer'; import { type BlockHash, - GENESIS_CHECKPOINT_HEADER_HASH, type L2Block, - type L2BlockId, type L2BlockSource, L2BlockStream, type L2BlockStreamEvent, type L2BlockStreamEventHandler, type L2BlockStreamLocalDataProvider, - type L2Tips, + type LocalChainTips, } from '@aztec/stdlib/block'; import { WorldStateRunningState, @@ -266,8 +263,12 @@ export class ServerWorldStateSynchronizer return this.merkleTreeCommitted.getLeafValue(MerkleTreeId.ARCHIVE, BigInt(number)).then(leaf => leaf?.toString()); } - /** Returns the latest L2 block number for each tip of the chain (latest, proven, finalized). */ - public async getL2Tips(): Promise { + /** + * Returns the proposed, proven, and finalized block tips of the chain. World state drives its block stream with + * `ignoreCheckpoints`, so it does not track checkpointed blocks or checkpoints and omits `checkpointed` from the tips + * it reports. + */ + public async getL2Tips(): Promise { const status = await this.merkleTreeDb.getStatusSummary(); const unfinalizedBlockHashPromise = this.getL2BlockHash(status.unfinalizedBlockNumber); const finalizedBlockHashPromise = this.getL2BlockHash(status.finalizedBlockNumber); @@ -281,30 +282,13 @@ export class ServerWorldStateSynchronizer finalizedBlockHashPromise, provenBlockHashPromise, ]); - const latestBlockId: L2BlockId = { number: status.unfinalizedBlockNumber, hash: unfinalizedBlockHash! }; - - // World state doesn't track checkpointed blocks or checkpoints themselves. - // but we use a block stream so we need to provide 'local' L2Tips. - // We configure the block stream to ignore checkpoints and set checkpoint values to genesis here. - const genesisCheckpointHeaderHash = GENESIS_CHECKPOINT_HEADER_HASH.toString(); - const initialBlockHash = (await this.merkleTreeCommitted.getInitialHeader().hash()).toString(); return { - proposed: latestBlockId, - checkpointed: { - block: { number: BlockNumber.ZERO, hash: initialBlockHash }, - checkpoint: { number: INITIAL_CHECKPOINT_NUMBER, hash: genesisCheckpointHeaderHash }, - }, - proposedCheckpoint: { - block: { number: BlockNumber.ZERO, hash: initialBlockHash }, - checkpoint: { number: INITIAL_CHECKPOINT_NUMBER, hash: genesisCheckpointHeaderHash }, - }, + proposed: { number: status.unfinalizedBlockNumber, hash: unfinalizedBlockHash }, finalized: { - block: { number: status.finalizedBlockNumber, hash: finalizedBlockHash ?? '' }, - checkpoint: { number: INITIAL_CHECKPOINT_NUMBER, hash: genesisCheckpointHeaderHash }, + block: { number: status.finalizedBlockNumber, hash: finalizedBlockHash }, }, proven: { - block: { number: provenBlockNumber, hash: provenBlockHash ?? '' }, - checkpoint: { number: INITIAL_CHECKPOINT_NUMBER, hash: genesisCheckpointHeaderHash }, + block: { number: provenBlockNumber, hash: provenBlockHash }, }, }; } diff --git a/yarn-project/world-state/src/test/integration.test.ts b/yarn-project/world-state/src/test/integration.test.ts index a1c1b9d3dcd8..3748bd51c824 100644 --- a/yarn-project/world-state/src/test/integration.test.ts +++ b/yarn-project/world-state/src/test/integration.test.ts @@ -280,6 +280,7 @@ describe('world-state integration', () => { synchronizer.handleBlockStreamEvent({ type: 'chain-finalized', block: { number: backwardsFinalized, hash: '' }, + checkpoint: { number: CheckpointNumber(1), hash: new Fr(1).toString() }, }), ).resolves.not.toThrow();