AztecProtocol · spalladino · Aug 29, 2025 · Aug 28, 2025
@@ -198,6 +198,7 @@ library Errors {
   error TallySlashingProposer__SlashOffsetMustBeGreaterThanZero(uint256 slashOffset);
   error TallySlashingProposer__InvalidEpochIndex(uint256 epochIndex, uint256 roundSizeInEpochs);
   error TallySlashingProposer__VoteSizeTooBig(uint256 voteSize, uint256 maxSize);
+  error TallySlashingProposer__VotesMustBeMultipleOf4(uint256 votes);
 
   // SlashPayloadLib
   error SlashPayload_ArraySizeMismatch(uint256 expected, uint256 actual);

@@ -355,6 +355,11 @@ contract TallySlashingProposer is EIP712 {
     // We have allocated 4 bytes32 slots = 128 bytes maximum
     uint256 voteSize = COMMITTEE_SIZE * ROUND_SIZE_IN_EPOCHS / 4;
     require(voteSize <= 128, Errors.TallySlashingProposer__VoteSizeTooBig(voteSize, 128));
+
+    require(
+      COMMITTEE_SIZE * ROUND_SIZE_IN_EPOCHS % 4 == 0,
+      Errors.TallySlashingProposer__VotesMustBeMultipleOf4(COMMITTEE_SIZE * ROUND_SIZE_IN_EPOCHS)
+    );
   }
 
   /**

diff --git a/yarn-project/aztec/src/cli/chain_l2_config.ts b/yarn-project/aztec/src/cli/chain_l2_config.ts
@@ -123,11 +123,7 @@ export const alphaTestnetL2ChainConfig: L2ChainConfig = {
   /** The minimum stake for a validator. */
   ejectionThreshold: DefaultL1ContractsConfig.ejectionThreshold,
   /** The slashing round size */
-  slashingRoundSize: 32 * 6, // 6 epochs
-  /** The slashing quorum */
-  slashingQuorum: (32 * 6) / 2 + 1, // 6 epochs, majority of validators
-  /** Governance proposing quorum */
-  governanceProposerQuorum: 151,
+  slashingRoundSizeInEpochs: 4,
   /** Governance proposing round size */
   governanceProposerRoundSize: 300,
   /** The mana target for the rollup */
@@ -219,9 +215,9 @@ export async function getL2ChainConfig(
   return undefined;
 }
 
-function enrichVar(envVar: EnvVar, value: string) {
+function enrichVar(envVar: EnvVar, value: string | undefined) {
   // Don't override
-  if (process.env[envVar]) {
+  if (process.env[envVar] || value === undefined) {
     return;
   }
   process.env[envVar] = value;
@@ -306,9 +302,9 @@ export async function enrichEnvironmentWithChainConfig(networkName: NetworkNames
   enrichVar('AZTEC_PROOF_SUBMISSION_EPOCHS', config.aztecProofSubmissionEpochs.toString());
   enrichVar('AZTEC_ACTIVATION_THRESHOLD', config.activationThreshold.toString());
   enrichVar('AZTEC_EJECTION_THRESHOLD', config.ejectionThreshold.toString());
-  enrichVar('AZTEC_SLASHING_QUORUM', config.slashingQuorum.toString());
-  enrichVar('AZTEC_SLASHING_ROUND_SIZE', config.slashingRoundSize.toString());
-  enrichVar('AZTEC_GOVERNANCE_PROPOSER_QUORUM', config.governanceProposerQuorum.toString());
+  enrichVar('AZTEC_SLASHING_QUORUM', config.slashingQuorum?.toString());
+  enrichVar('AZTEC_SLASHING_ROUND_SIZE_IN_EPOCHS', config.slashingRoundSizeInEpochs.toString());
+  enrichVar('AZTEC_GOVERNANCE_PROPOSER_QUORUM', config.governanceProposerQuorum?.toString());
   enrichVar('AZTEC_GOVERNANCE_PROPOSER_ROUND_SIZE', config.governanceProposerRoundSize.toString());
   enrichVar('AZTEC_MANA_TARGET', config.manaTarget.toString());
   enrichVar('AZTEC_PROVING_COST_PER_MANA', config.provingCostPerMana.toString());

diff --git a/yarn-project/aztec/src/sandbox/sandbox.ts b/yarn-project/aztec/src/sandbox/sandbox.ts
@@ -82,6 +82,7 @@ export async function deployContractsToL1(
       salt: opts.salt,
       feeJuicePortalInitialBalance: opts.feeJuicePortalInitialBalance,
       aztecTargetCommitteeSize: 0, // no committee in sandbox
+      slasherFlavor: 'none', // no slashing in sandbox
       realVerifier: false,
     },
   );

diff --git a/yarn-project/end-to-end/src/e2e_epochs/epochs_invalidate_block.test.ts b/yarn-project/end-to-end/src/e2e_epochs/epochs_invalidate_block.test.ts
@@ -52,6 +52,8 @@ describe('e2e_epochs/epochs_invalidate_block', () => {
       archiverPollingIntervalMS: 200,
       anvilAccounts: 20,
       anvilPort: ++anvilPort,
+      slashingRoundSizeInEpochs: 4,
+      slashingOffsetInRounds: 256,
       slasherFlavor: 'tally',
     });
 

diff --git a/yarn-project/end-to-end/src/e2e_p2p/add_rollup.test.ts b/yarn-project/end-to-end/src/e2e_p2p/add_rollup.test.ts
@@ -75,7 +75,6 @@ describe('e2e_p2p_add_rollup', () => {
       initialConfig: {
         ...SHORTENED_BLOCK_TIME_CONFIG_NO_PRUNES,
         listenAddress: '127.0.0.1',
-        governanceProposerQuorum: 6,
         governanceProposerRoundSize: 10,
       },
     });
@@ -158,7 +157,7 @@ describe('e2e_p2p_add_rollup', () => {
         aztecTargetCommitteeSize: t.ctx.aztecNodeConfig.aztecTargetCommitteeSize,
         aztecProofSubmissionEpochs: t.ctx.aztecNodeConfig.aztecProofSubmissionEpochs,
         slashingQuorum: t.ctx.aztecNodeConfig.slashingQuorum,
-        slashingRoundSize: t.ctx.aztecNodeConfig.slashingRoundSize,
+        slashingRoundSizeInEpochs: t.ctx.aztecNodeConfig.slashingRoundSizeInEpochs,
         slashingLifetimeInRounds: t.ctx.aztecNodeConfig.slashingLifetimeInRounds,
         slashingExecutionDelayInRounds: t.ctx.aztecNodeConfig.slashingExecutionDelayInRounds,
         slashingVetoer: t.ctx.aztecNodeConfig.slashingVetoer,

diff --git a/yarn-project/end-to-end/src/e2e_p2p/data_withholding_slash.test.ts b/yarn-project/end-to-end/src/e2e_p2p/data_withholding_slash.test.ts
@@ -58,7 +58,7 @@ describe('e2e_p2p_data_withholding_slash', () => {
         aztecSlotDuration,
         aztecProofSubmissionEpochs: 0, // effectively forces instant reorgs
         slashingQuorum,
-        slashingRoundSize,
+        slashingRoundSizeInEpochs: slashingRoundSize / 2,
         slashAmountSmall: slashingUnit,
         slashAmountMedium: slashingUnit * 2n,
         slashAmountLarge: slashingUnit * 3n,

diff --git a/yarn-project/end-to-end/src/e2e_p2p/gossip_network.test.ts b/yarn-project/end-to-end/src/e2e_p2p/gossip_network.test.ts
@@ -59,7 +59,7 @@ describe('e2e_p2p_network', () => {
       initialConfig: {
         ...SHORTENED_BLOCK_TIME_CONFIG_NO_PRUNES,
         aztecEpochDuration: 4,
-        slashingRoundSize: 8,
+        slashingRoundSizeInEpochs: 2,
         slashingQuorum: 5,
         listenAddress: '127.0.0.1',
       },

diff --git a/yarn-project/end-to-end/src/e2e_p2p/inactivity_slash.test.ts b/yarn-project/end-to-end/src/e2e_p2p/inactivity_slash.test.ts
@@ -41,7 +41,7 @@ describe('e2e_p2p_inactivity_slash', () => {
       basePort: BOOT_NODE_UDP_PORT,
       startProverNode: true,
       initialConfig: {
-        aztecTargetCommitteeSize: NUM_NODES, // ensure we can progress even after slash happens
+        aztecTargetCommitteeSize: NUM_VALIDATORS,
         aztecSlotDuration: AZTEC_SLOT_DURATION,
         ethereumSlotDuration: ETHEREUM_SLOT_DURATION,
         aztecProofSubmissionEpochs: 1024, // effectively do not reorg
@@ -51,7 +51,7 @@ describe('e2e_p2p_inactivity_slash', () => {
         validatorReexecute: false,
         sentinelEnabled: true,
         slashingQuorum: SLASHING_QUORUM,
-        slashingRoundSize: SLASHING_ROUND_SIZE,
+        slashingRoundSizeInEpochs: SLASHING_ROUND_SIZE / EPOCH_DURATION,
         slashInactivityTargetPercentage: 0.5,
         slashAmountSmall: SLASHING_UNIT,
         slashAmountMedium: SLASHING_UNIT * 2n,

diff --git a/yarn-project/end-to-end/src/e2e_p2p/p2p_network.ts b/yarn-project/end-to-end/src/e2e_p2p/p2p_network.ts
@@ -116,7 +116,8 @@ export class P2PNetworkTest {
         aztecSlotDuration: initialValidatorConfig.aztecSlotDuration ?? l1ContractsConfig.aztecSlotDuration,
         aztecProofSubmissionEpochs:
           initialValidatorConfig.aztecProofSubmissionEpochs ?? l1ContractsConfig.aztecProofSubmissionEpochs,
-        slashingRoundSize: initialValidatorConfig.slashingRoundSize ?? l1ContractsConfig.slashingRoundSize,
+        slashingRoundSizeInEpochs:
+          initialValidatorConfig.slashingRoundSizeInEpochs ?? l1ContractsConfig.slashingRoundSizeInEpochs,
         slasherFlavor: initialValidatorConfig.slasherFlavor ?? 'tally',
         aztecTargetCommitteeSize: numberOfValidators,
         salt: 420,
@@ -127,7 +128,8 @@ export class P2PNetworkTest {
       {
         ...initialValidatorConfig,
         aztecEpochDuration: initialValidatorConfig.aztecEpochDuration ?? l1ContractsConfig.aztecEpochDuration,
-        slashingRoundSize: initialValidatorConfig.slashingRoundSize ?? l1ContractsConfig.slashingRoundSize,
+        slashingRoundSizeInEpochs:
+          initialValidatorConfig.slashingRoundSizeInEpochs ?? l1ContractsConfig.slashingRoundSizeInEpochs,
         slasherFlavor: initialValidatorConfig.slasherFlavor ?? 'tally',
 
         ethereumSlotDuration: initialValidatorConfig.ethereumSlotDuration ?? l1ContractsConfig.ethereumSlotDuration,

diff --git a/yarn-project/end-to-end/src/e2e_p2p/reqresp.test.ts b/yarn-project/end-to-end/src/e2e_p2p/reqresp.test.ts
@@ -36,8 +36,6 @@ describe('e2e_p2p_reqresp_tx', () => {
         ...SHORTENED_BLOCK_TIME_CONFIG_NO_PRUNES,
         listenAddress: '127.0.0.1',
         aztecEpochDuration: 64, // stable committee
-        slashingRoundSize: 128,
-        slashingQuorum: 65,
       },
     });
     await t.applyBaseSnapshots();

diff --git a/yarn-project/end-to-end/src/e2e_p2p/reqresp_no_handshake.test.ts b/yarn-project/end-to-end/src/e2e_p2p/reqresp_no_handshake.test.ts
@@ -41,8 +41,6 @@ describe('e2e_p2p_reqresp_tx_no_handshake', () => {
         p2pDisableStatusHandshake: true, // DIFFERENCE FROM reqresp.test.ts
         listenAddress: '127.0.0.1',
         aztecEpochDuration: 64, // stable committee
-        slashingRoundSize: 128,
-        slashingQuorum: 65,
       },
     });
     await t.applyBaseSnapshots();

diff --git a/yarn-project/end-to-end/src/e2e_p2p/slash_veto_demo.test.ts b/yarn-project/end-to-end/src/e2e_p2p/slash_veto_demo.test.ts
@@ -88,7 +88,7 @@ describe('veto slash', () => {
         slashAmountSmall: SLASHING_UNIT,
         slashAmountMedium: SLASHING_UNIT * 2n,
         slashAmountLarge: SLASHING_UNIT * 3n,
-        slashingRoundSize: SLASHING_ROUND_SIZE,
+        slashingRoundSizeInEpochs: SLASHING_ROUND_SIZE / EPOCH_DURATION,
         slashingQuorum: SLASHING_QUORUM,
         slashInactivityTargetPercentage: SLASH_INACTIVITY_TARGET_PERCENTAGE,
       },

diff --git a/yarn-project/end-to-end/src/e2e_p2p/upgrade_governance_proposer.test.ts b/yarn-project/end-to-end/src/e2e_p2p/upgrade_governance_proposer.test.ts
@@ -48,7 +48,6 @@ describe('e2e_p2p_governance_proposer', () => {
       initialConfig: {
         ...SHORTENED_BLOCK_TIME_CONFIG_NO_PRUNES,
         listenAddress: '127.0.0.1',
-        governanceProposerQuorum: 6,
         governanceProposerRoundSize: 10,
         activationThreshold: 10n ** 22n,
         ejectionThreshold: 5n ** 22n,

diff --git a/yarn-project/end-to-end/src/e2e_p2p/valid_epoch_pruned.test.ts b/yarn-project/end-to-end/src/e2e_p2p/valid_epoch_pruned.test.ts
@@ -48,7 +48,7 @@ describe('e2e_p2p_valid_epoch_pruned', () => {
         aztecSlotDuration,
         aztecProofSubmissionEpochs: 0, // reorg as soon as epoch ends
         slashingQuorum,
-        slashingRoundSize,
+        slashingRoundSizeInEpochs: slashingRoundSize / 2,
         slashSelfAllowed: true,
         slashAmountSmall: slashingUnit,
         slashAmountMedium: slashingUnit * 2n,

diff --git a/yarn-project/end-to-end/src/e2e_p2p/validators_sentinel.test.ts b/yarn-project/end-to-end/src/e2e_p2p/validators_sentinel.test.ts
@@ -44,8 +44,7 @@ describe('e2e_p2p_validators_sentinel', () => {
         listenAddress: '127.0.0.1',
         minTxsPerBlock: 0,
         aztecEpochDuration: EPOCH_DURATION,
-        slashingRoundSize: EPOCH_DURATION * 2,
-        slashingQuorum: EPOCH_DURATION + 1,
+        slashingRoundSizeInEpochs: 2,
         validatorReexecute: false,
         sentinelEnabled: true,
         slashInactivityPenalty: 0n, // Set to 0 to disable

diff --git a/yarn-project/end-to-end/src/fixtures/snapshot_manager.ts b/yarn-project/end-to-end/src/fixtures/snapshot_manager.ts
@@ -306,9 +306,13 @@ async function setupFromFresh(
 
   const blobSinkPort = await getPort();
 
+  // Default to no slashing
+  opts.slasherFlavor ??= 'none';
+  deployL1ContractsArgs.slasherFlavor ??= opts.slasherFlavor;
+
   // Fetch the AztecNode config.
   // TODO: For some reason this is currently the union of a bunch of subsystems. That needs fixing.
-  const aztecNodeConfig: AztecNodeConfig & SetupOptions = { ...getConfigEnvVars(), slasherFlavor: 'none', ...opts };
+  const aztecNodeConfig: AztecNodeConfig & SetupOptions = { ...getConfigEnvVars(), ...opts };
   aztecNodeConfig.peerCheckIntervalMS = TEST_PEER_CHECK_INTERVAL_MS;
   aztecNodeConfig.maxTxPoolSize = opts.maxTxPoolSize ?? TEST_MAX_TX_POOL_SIZE;
   // Only enable proving if specifically requested.

diff --git a/yarn-project/end-to-end/src/fixtures/utils.ts b/yarn-project/end-to-end/src/fixtures/utils.ts
@@ -391,8 +391,9 @@ export async function setup(
   let anvil: Anvil | undefined;
   try {
     opts.aztecTargetCommitteeSize ??= 0;
+    opts.slasherFlavor ??= 'none';
 
-    const config: AztecNodeConfig & SetupOptions = { ...getConfigEnvVars(), slasherFlavor: 'none', ...opts };
+    const config: AztecNodeConfig & SetupOptions = { ...getConfigEnvVars(), ...opts };
     // use initialValidators for the node config
     config.validatorPrivateKeys = new SecretValue(opts.initialValidators?.map(v => v.privateKey) ?? []);
 

diff --git a/yarn-project/end-to-end/src/spartan/upgrade_rollup_version.test.ts b/yarn-project/end-to-end/src/spartan/upgrade_rollup_version.test.ts
@@ -95,7 +95,7 @@
 //           aztecProofSubmissionEpochs: 1,
 //           aztecTargetCommitteeSize: 48,
 //           slashingQuorum: 5,
-//           slashingRoundSize: 8,
+//           slashingRoundSizeInEpochs: 2,
 //           slashingLifetimeInRounds: 5,
 //           slashingExecutionDelayInRounds: 0,
 //           slashingVetoer: EthAddress.ZERO,