chore: Do not start prover node in e2e tests if not needed

yarn-project/end-to-end/src/e2e_fees/fees_test.ts

@@ -28,7 +28,6 @@ import {
   TokenContract,
 } from '@aztec/noir-contracts.js';
 import { getCanonicalFeeJuice } from '@aztec/protocol-contracts/fee-juice';
-import { type ProverNode } from '@aztec/prover-node';
 
 import { getContract } from 'viem';
 
@@ -55,7 +54,6 @@ export class FeesTest {
   public logger: DebugLogger;
   public pxe!: PXE;
   public aztecNode!: AztecNode;
-  public proverNode!: ProverNode;
 
   public aliceWallet!: AccountWallet;
   public aliceAddress!: AztecAddress;
@@ -175,10 +173,9 @@ export class FeesTest {
     await this.snapshotManager.snapshot(
       'initial_accounts',
       addAccounts(3, this.logger),
-      async ({ accountKeys }, { pxe, aztecNode, aztecNodeConfig, proverNode }) => {
+      async ({ accountKeys }, { pxe, aztecNode, aztecNodeConfig }) => {
         this.pxe = pxe;
         this.aztecNode = aztecNode;
-        this.proverNode = proverNode;
         const accountManagers = accountKeys.map(ak => getSchnorrAccount(pxe, ak[0], ak[1], 1));
         await Promise.all(accountManagers.map(a => a.register()));
         this.wallets = await Promise.all(accountManagers.map(a => a.getWallet()));

yarn-project/end-to-end/src/e2e_prover/e2e_prover_test.ts

@@ -95,7 +95,7 @@ export class FullProverTest {
     this.snapshotManager = createSnapshotManager(
       `full_prover_integration/${testName}`,
       dataPath,
-      {},
+      { startProverNode: true },
       { assumeProvenThrough: undefined, useRealProofCommitmentEscrow: true },
     );
   }
@@ -155,10 +155,10 @@ export class FullProverTest {
 
   async setup() {
     this.context = await this.snapshotManager.setup();
+    this.simulatedProverNode = this.context.proverNode!;
     ({
       pxe: this.pxe,
       aztecNode: this.aztecNode,
-      proverNode: this.simulatedProverNode,
       deployL1ContractsValues: this.l1Contracts,
       cheatCodes: this.cheatCodes,
     } = this.context);

yarn-project/end-to-end/src/fixtures/snapshot_manager.ts

@@ -56,7 +56,7 @@ export type SubsystemsContext = {
   aztecNodeConfig: AztecNodeConfig;
   pxe: PXEService;
   deployL1ContractsValues: DeployL1Contracts;
-  proverNode: ProverNode;
+  proverNode?: ProverNode;
   watcher: AnvilTestWatcher;
   cheatCodes: CheatCodes;
 };
@@ -251,15 +251,15 @@ async function teardown(context: SubsystemsContext | undefined) {
   if (!context) {
     return;
   }
-  await context.proverNode.stop();
+  await context.proverNode?.stop();
   await context.aztecNode.stop();
   await context.pxe.stop();
   await context.acvmConfig?.cleanup();
   await context.anvil.stop();
   await context.watcher.stop();
 }
 
-export async function createAndSyncProverNode(
+async function createAndSyncProverNode(
   proverNodePrivateKey: `0x${string}`,
   aztecNodeConfig: AztecNodeConfig,
   aztecNode: AztecNode,
@@ -281,8 +281,8 @@ export async function createAndSyncProverNode(
     proverNodePollingIntervalMs: 200,
     quoteProviderBasisPointFee: 100,
     quoteProviderBondAmount: 1000n,
-    proverMinimumStakeAmount: 0n,
-    proverTargetStakeAmount: 0n,
+    proverMinimumStakeAmount: 1000n,
+    proverTargetStakeAmount: 2000n,
   };
   const proverNode = await createProverNode(proverConfig, {
     aztecNodeTxProvider: aztecNode,
@@ -309,7 +309,7 @@ async function setupFromFresh(
 
   // Fetch the AztecNode config.
   // TODO: For some reason this is currently the union of a bunch of subsystems. That needs fixing.
-  const aztecNodeConfig: AztecNodeConfig = { ...getConfigEnvVars(), ...opts };
+  const aztecNodeConfig: AztecNodeConfig & SetupOptions = { ...getConfigEnvVars(), ...opts };
   aztecNodeConfig.dataDirectory = statePath;
 
   // Start anvil. We go via a wrapper script to ensure if the parent dies, anvil dies.
@@ -367,12 +367,15 @@ async function setupFromFresh(
   logger.verbose('Creating and synching an aztec node...');
   const aztecNode = await AztecNodeService.createAndSync(aztecNodeConfig, telemetry);
 
-  logger.verbose('Creating and syncing a simulated prover node...');
-  const proverNode = await createAndSyncProverNode(
-    `0x${proverNodePrivateKey!.toString('hex')}`,
-    aztecNodeConfig,
-    aztecNode,
-  );
+  let proverNode: ProverNode | undefined = undefined;
+  if (opts.startProverNode) {
+    logger.verbose('Creating and syncing a simulated prover node...');
+    proverNode = await createAndSyncProverNode(
+      `0x${proverNodePrivateKey!.toString('hex')}`,
+      aztecNodeConfig,
+      aztecNode,
+    );
+  }
 
   logger.verbose('Creating pxe...');
   const pxeConfig = getPXEServiceConfig();
@@ -416,7 +419,7 @@ async function setupFromState(statePath: string, logger: Logger): Promise<Subsys
 
   // Load config.
   // TODO: For some reason this is currently the union of a bunch of subsystems. That needs fixing.
-  const aztecNodeConfig: AztecNodeConfig = JSON.parse(
+  const aztecNodeConfig: AztecNodeConfig & SetupOptions = JSON.parse(
     readFileSync(`${statePath}/aztec_node_config.json`, 'utf-8'),
     reviver,
   );
@@ -459,11 +462,13 @@ async function setupFromState(statePath: string, logger: Logger): Promise<Subsys
   const telemetry = await createAndStartTelemetryClient(getTelemetryConfig());
   const aztecNode = await AztecNodeService.createAndSync(aztecNodeConfig, telemetry);
 
-  const proverNodePrivateKey = getPrivateKeyFromIndex(2);
-  const proverNodePrivateKeyHex: Hex = `0x${proverNodePrivateKey!.toString('hex')}`;
-
-  logger.verbose('Creating and syncing a simulated prover node...');
-  const proverNode = await createAndSyncProverNode(proverNodePrivateKeyHex, aztecNodeConfig, aztecNode);
+  let proverNode: ProverNode | undefined = undefined;
+  if (aztecNodeConfig.startProverNode) {
+    logger.verbose('Creating and syncing a simulated prover node...');
+    const proverNodePrivateKey = getPrivateKeyFromIndex(2);
+    const proverNodePrivateKeyHex: Hex = `0x${proverNodePrivateKey!.toString('hex')}`;
+    proverNode = await createAndSyncProverNode(proverNodePrivateKeyHex, aztecNodeConfig, aztecNode);
+  }
 
   logger.verbose('Creating pxe...');
   const pxeConfig = getPXEServiceConfig();

yarn-project/end-to-end/src/fixtures/utils.ts

@@ -314,6 +314,8 @@ export type SetupOptions = {
   l1BlockTime?: number;
   /** Anvil Start time */
   l1StartTime?: number;
+  /** Whether to start a prover node */
+  startProverNode?: boolean;
 } & Partial<AztecNodeConfig>;
 
 /** Context for an end-to-end test as returned by the `setup` function */

yarn-project/end-to-end/src/prover-coordination/e2e_prover_coordination.test.ts

@@ -51,10 +51,8 @@ describe('e2e_prover_coordination', () => {
     snapshotManager = createSnapshotManager(
       `prover_coordination/e2e_json_coordination`,
       process.env.E2E_DATA_PATH,
-      {},
-      {
-        assumeProvenThrough: undefined,
-      },
+      { startProverNode: true },
+      { assumeProvenThrough: undefined },
     );
 
     await snapshotManager.snapshot('setup', addAccounts(2, logger), async ({ accountKeys }, ctx) => {
@@ -80,7 +78,7 @@ describe('e2e_prover_coordination', () => {
 
     ctx = await snapshotManager.setup();
 
-    await ctx.proverNode.stop();
+    await ctx.proverNode!.stop();
 
     cc = new EthCheatCodes(ctx.aztecNodeConfig.l1RpcUrl);
 
@@ -195,7 +193,7 @@ describe('e2e_prover_coordination', () => {
     });
 
     // Send in the quote
-    await ctx.proverNode.sendEpochProofQuote(quoteForEpoch0);
+    await ctx.proverNode!.sendEpochProofQuote(quoteForEpoch0);
 
     // Build a block, this should NOT use the above quote as it is for the current epoch (0)
     await contract.methods.create_note(recipient, recipient, 10).send().wait();
@@ -272,7 +270,7 @@ describe('e2e_prover_coordination', () => {
 
     const allQuotes = [proofQuoteInvalidSlot, proofQuoteInvalidEpoch, ...validQuotes, proofQuoteInsufficientBond];
 
-    await Promise.all(allQuotes.map(x => ctx.proverNode.sendEpochProofQuote(x)));
+    await Promise.all(allQuotes.map(x => ctx.proverNode!.sendEpochProofQuote(x)));
 
     // now build another block and we should see the best valid quote being published
     await contract.methods.create_note(recipient, recipient, 10).send().wait();

yarn-project/end-to-end/src/public-testnet/e2e_public_testnet_transfer.test.ts

@@ -1,14 +1,10 @@
 import { createAccounts } from '@aztec/accounts/testing';
-import { type AztecNodeConfig } from '@aztec/aztec-node';
-import { type AztecNode, type DebugLogger, Fr, type PXE } from '@aztec/aztec.js';
-import { NULL_KEY } from '@aztec/ethereum';
+import { type DebugLogger, Fr, type PXE } from '@aztec/aztec.js';
 import { EasyPrivateTokenContract } from '@aztec/noir-contracts.js';
-import { type ProverNode, type ProverNodeConfig, getProverNodeConfigFromEnv } from '@aztec/prover-node';
 
 import { foundry, sepolia } from 'viem/chains';
 
-import { createAndSyncProverNode } from '../fixtures/snapshot_manager.js';
-import { getPrivateKeyFromIndex, setup } from '../fixtures/utils.js';
+import { setup } from '../fixtures/utils.js';
 
 // process.env.SEQ_PUBLISHER_PRIVATE_KEY = '<PRIVATE_KEY_WITH_SEPOLIA_ETH>';
 // process.env.PROVER_PUBLISHER_PRIVATE_KEY = '<PRIVATE_KEY_WITH_SEPOLIA_ETH>';
@@ -18,10 +14,6 @@ import { getPrivateKeyFromIndex, setup } from '../fixtures/utils.js';
 describe(`deploys and transfers a private only token`, () => {
   let secretKey1: Fr;
   let secretKey2: Fr;
-  let proverConfig: ProverNodeConfig;
-  let config: AztecNodeConfig;
-  let aztecNode: AztecNode;
-  let proverNode: ProverNode;
 
   let pxe: PXE;
   let logger: DebugLogger;
@@ -30,25 +22,16 @@ describe(`deploys and transfers a private only token`, () => {
   beforeEach(async () => {
     const chainId = !process.env.L1_CHAIN_ID ? foundry.id : +process.env.L1_CHAIN_ID;
     const chain = chainId == sepolia.id ? sepolia : foundry; // Not the best way of doing this.
-    ({ logger, pxe, teardown, config, aztecNode } = await setup(
+    ({ logger, pxe, teardown } = await setup(
       0,
       { skipProtocolContracts: true, stateLoad: undefined },
       {},
       false,
       chain,
     ));
-    proverConfig = getProverNodeConfigFromEnv();
-    const proverNodePrivateKey = getPrivateKeyFromIndex(2);
-    proverConfig.publisherPrivateKey =
-      proverConfig.publisherPrivateKey === NULL_KEY
-        ? `0x${proverNodePrivateKey?.toString('hex')}`
-        : proverConfig.publisherPrivateKey;
-
-    proverNode = await createAndSyncProverNode(proverConfig.publisherPrivateKey, config, aztecNode);
   }, 600_000);
 
   afterEach(async () => {
-    await proverNode.stop();
     await teardown();
   });