diff --git a/zp-relayer/configs/commitmentWatcherConfig.ts b/zp-relayer/configs/commitmentWatcherConfig.ts
index bf0557f3..dff91337 100644
--- a/zp-relayer/configs/commitmentWatcherConfig.ts
+++ b/zp-relayer/configs/commitmentWatcherConfig.ts
@@ -3,7 +3,7 @@ import { getBaseConfig } from './baseConfig'
 import { getGasPriceConfig } from './common/gasPriceConfig'
 import { getNetworkConfig } from './common/networkConfig'
 import { getTxManagerConfig } from './common/txManagerConfig'
-import { zBooleanString } from './common/utils'
+import { zBN, zBooleanString } from './common/utils'
 
 const zSchema = z.object({
   COMMITMENT_WATCHER_PORT: z.coerce.number().default(8000),
@@ -14,7 +14,7 @@ const zSchema = z.object({
   COMMITMENT_WATCHER_TX_VK_PATH: z.string().default('../params/transfer_verification_key.json'),
   COMMITMENT_WATCHER_FETCH_INTERVAL: z.coerce.number().default(10000),
   COMMITMENT_WATCHER_TX_REDUNDANCY: zBooleanString().default('false'),
-  COMMITMENT_WATCHER_FEE: z.coerce.number().default(100_000_000),
+  COMMITMENT_WATCHER_FEE: zBN().default("100_000_000"),
 })
 
 const network = getNetworkConfig()
diff --git a/zp-relayer/configs/indexerConfig.ts b/zp-relayer/configs/indexerConfig.ts
index 5632f848..943a2bd0 100644
--- a/zp-relayer/configs/indexerConfig.ts
+++ b/zp-relayer/configs/indexerConfig.ts
@@ -10,6 +10,7 @@ const schema = z.object({
   INDEXER_STATE_DIR_PATH: z.string().default('./INDEXER_STATE'),
   INDEXER_TX_VK_PATH: z.string().default('../params/transfer_verification_key.json'),
   INDEXER_TOKEN_ADDRESS: z.string(),
+  INDEXER_BLOCK_CONFIRMATIONS: z.coerce.number().default(1),
 })
 
 const config = schema.parse(process.env)
diff --git a/zp-relayer/pool/BasePool.ts b/zp-relayer/pool/BasePool.ts
index 3868025d..ff90742b 100644
--- a/zp-relayer/pool/BasePool.ts
+++ b/zp-relayer/pool/BasePool.ts
@@ -143,7 +143,7 @@ export abstract class BasePool<N extends Network = Network> {
     return lastBlockNumber
   }
 
-  async syncState(startBlock?: number, indexerUrl?: string) {
+  async syncState(startBlock?: number, lastBlock?: number, indexerUrl?: string) {
     logger.debug('Syncing state; starting from block %d', startBlock)
 
     const localIndex = this.state.getNextIndex()
@@ -166,10 +166,10 @@ export abstract class BasePool<N extends Network = Network> {
 
     if (indexerUrl) {
       await this.syncStateFromIndexer(indexerUrl)
-    } else if (startBlock) {
-      await this.syncStateFromContract(startBlock, contractIndex, localIndex)
+    } else if (startBlock && lastBlock) {
+      await this.syncStateFromContract(startBlock, lastBlock, contractIndex, localIndex)
     } else {
-      throw new Error('Either startBlock or indexerUrl should be provided for sync')
+      throw new Error('Either (startBlock, lastBlock) or indexerUrl should be provided for sync')
     }
 
     const newLocalIndex = this.state.getNextIndex()
@@ -217,23 +217,17 @@ export abstract class BasePool<N extends Network = Network> {
     })
   }
 
-  async syncStateFromContract(startBlock: number, contractIndex: number, localIndex: number) {
+  async syncStateFromContract(startBlock: number, lastBlock: number, contractIndex: number, localIndex: number) {
     const numTxs = Math.floor((contractIndex - localIndex) / OUTPLUSONE)
     if (numTxs < 0) {
       // TODO: rollback state
       throw new Error('State is corrupted, contract index is less than local index')
     }
 
-    const missedIndices = Array(numTxs)
-    for (let i = 0; i < numTxs; i++) {
-      missedIndices[i] = localIndex + (i + 1) * OUTPLUSONE
-    }
-
-    const lastBlockNumber = (await this.getLastBlockToProcess()) + 1
     for await (const batch of this.network.getEvents({
       contract: this.network.pool,
       startBlock,
-      lastBlock: lastBlockNumber,
+      lastBlock,
       event: 'Message',
       batchSize: this.config.eventsBatchSize,
     })) {
diff --git a/zp-relayer/pool/DefaultPool.ts b/zp-relayer/pool/DefaultPool.ts
index 42a37f16..96d4c411 100644
--- a/zp-relayer/pool/DefaultPool.ts
+++ b/zp-relayer/pool/DefaultPool.ts
@@ -75,7 +75,8 @@ export class DefaultPool extends BasePool {
     }
     await this.permitRecover?.initializeDomain()
     if (startBlock) {
-      await this.syncState(startBlock)
+      const lastBlock = await this.getLastBlockToProcess()
+      await this.syncState(startBlock, lastBlock)
     }
     this.isInitialized = true
   }
diff --git a/zp-relayer/pool/FinalizerPool.ts b/zp-relayer/pool/FinalizerPool.ts
index 3c744776..029a8110 100644
--- a/zp-relayer/pool/FinalizerPool.ts
+++ b/zp-relayer/pool/FinalizerPool.ts
@@ -28,7 +28,7 @@ export class FinalizerPool extends BasePool {
     this.denominator = toBN(await this.network.pool.call('denominator'))
     this.poolId = toBN(await this.network.pool.call('pool_id'))
 
-    await this.syncState(undefined, indexerUrl)
+    await this.syncState(undefined, undefined, indexerUrl)
 
     this.isInitialized = true
   }
@@ -38,7 +38,7 @@ export class FinalizerPool extends BasePool {
   async buildFinalizeTx({
     transaction: { outCommit },
   }: PoolTx<WorkerTxType.Finalize>): Promise<ProcessResult<FinalizerPool>> {
-    await this.syncState(undefined, this.indexerUrl)
+    await this.syncState(undefined, undefined, this.indexerUrl)
 
     const func = 'proveTreeUpdate(uint256,uint256[8],uint256)'
 
diff --git a/zp-relayer/pool/IndexerPool.ts b/zp-relayer/pool/IndexerPool.ts
index 4cbc29fe..a673331e 100644
--- a/zp-relayer/pool/IndexerPool.ts
+++ b/zp-relayer/pool/IndexerPool.ts
@@ -6,14 +6,14 @@ import { type PermitRecover } from '@/utils/permit/types'
 export class IndexerPool extends BasePool {
   public permitRecover: PermitRecover | null = null
 
-  async init(startBlock: number | null = null) {
+  async init(startBlock: number | null = null, lastBlock: number | null = null) {
     if (this.isInitialized) return
 
     this.denominator = toBN(await this.network.pool.call('denominator'))
     this.poolId = toBN(await this.network.pool.call('pool_id'))
 
-    if (startBlock) {
-      await this.syncState(startBlock)
+    if (startBlock && lastBlock) {
+      await this.syncState(startBlock, lastBlock)
     }
     this.isInitialized = true
   }
diff --git a/zp-relayer/services/commitment-watcher/index.ts b/zp-relayer/services/commitment-watcher/index.ts
index 9a7b2692..5ce49903 100644
--- a/zp-relayer/services/commitment-watcher/index.ts
+++ b/zp-relayer/services/commitment-watcher/index.ts
@@ -4,10 +4,10 @@ import express from 'express'
 import { init } from './init'
 import { createRouter } from './router'
 
-init().then(() => {
+init().then((pool) => {
   const app = express()
 
-  app.use(createRouter())
+  app.use(createRouter(pool))
   const PORT = config.COMMITMENT_WATCHER_PORT
   app.listen(PORT, () => logger.info(`Started commitment-watcher on port ${PORT}`))
 })
diff --git a/zp-relayer/services/commitment-watcher/init.ts b/zp-relayer/services/commitment-watcher/init.ts
index 18cb4841..7c4a9046 100644
--- a/zp-relayer/services/commitment-watcher/init.ts
+++ b/zp-relayer/services/commitment-watcher/init.ts
@@ -113,4 +113,6 @@ export async function init() {
   workers.forEach(w => w.run())
 
   runWatcher(pool)
+
+  return pool
 }
diff --git a/zp-relayer/services/commitment-watcher/router.ts b/zp-relayer/services/commitment-watcher/router.ts
index 8cb4b850..03243265 100644
--- a/zp-relayer/services/commitment-watcher/router.ts
+++ b/zp-relayer/services/commitment-watcher/router.ts
@@ -1,11 +1,14 @@
 import config from '@/configs/commitmentWatcherConfig'
 import { logger } from '@/lib/appLogger'
+import { BasePool } from '@/pool/BasePool'
 import { poolTxQueue, WorkerTx, WorkerTxType } from '@/queue/poolTxQueue'
+import { applyDenominator } from '@/utils/helpers'
 import { ValidationError } from '@/validation/api/validation'
 import cors from 'cors'
 import express, { NextFunction, Request, Response } from 'express'
+import { toBN } from 'web3-utils'
 
-export function createRouter() {
+export function createRouter(pool: BasePool) {
   const router = express.Router()
 
   router.use(cors())
@@ -26,7 +29,9 @@ export function createRouter() {
   })
 
   router.get('/fee', (req, res) => {
-    res.json({ fee: config.COMMITMENT_WATCHER_FEE })
+    const dInverse = toBN(1).shln(255)
+    const fee = applyDenominator(config.COMMITMENT_WATCHER_FEE, pool.denominator.xor(dInverse))
+    res.json({ fee: fee.toString(10) })
   })
 
   router.get('/job/:commitment', async (req, res) => {
diff --git a/zp-relayer/services/indexer/init.ts b/zp-relayer/services/indexer/init.ts
index 163b3d30..d582624b 100644
--- a/zp-relayer/services/indexer/init.ts
+++ b/zp-relayer/services/indexer/init.ts
@@ -12,12 +12,13 @@ export async function init() {
     eventsBatchSize: config.base.COMMON_EVENTS_PROCESSING_BATCH_SIZE,
   })
 
-  await Promise.all([networkBackend.init(), pool.init(config.base.COMMON_START_BLOCK)])
+  const lastInitialSyncBlock = await pool.getLastBlockToProcess()
+  await Promise.all([networkBackend.init(), pool.init(config.base.COMMON_START_BLOCK, lastInitialSyncBlock)])
 
-  const startBlock = await pool.getLastBlockToProcess()
+  const startBlock = lastInitialSyncBlock + 1
   const watcher = new Watcher(networkBackend, networkBackend.pool, 'pool-indexer', {
     event: 'allEvents',
-    blockConfirmations: parseInt(process.env.INDEXER_BLOCK_CONFIRMATIONS || '1'),
+    blockConfirmations: config.INDEXER_BLOCK_CONFIRMATIONS,
     startBlock,
     eventPollingInterval: parseInt(process.env.WATCHER_EVENT_POLLING_INTERVAL || '10000'),
     batchSize: config.base.COMMON_EVENTS_PROCESSING_BATCH_SIZE,