diff --git a/src/queue/index.ts b/src/queue/index.ts
index 3f56b80..eb120b5 100644
--- a/src/queue/index.ts
+++ b/src/queue/index.ts
@@ -12,9 +12,10 @@ type PriceJobData = Token[]
 type PriceJobReturn = number
 type HealthJobReturn = { balance: BigNumber, isEnought: boolean }
 
-type RelayerJobData = WithdrawalData & { id: string, status: JobStatus, type: RelayerJobType }
-
-type RelayerJobReturn = any
+export type RelayerJobData =
+  WithdrawalData
+  & { id: string, status: JobStatus, type: RelayerJobType, txHash?: string, confirmations?: number }
+export type RelayerJobReturn = any
 
 export type RelayerProcessor = Processor<RelayerJobData, RelayerJobReturn, RelayerJobType>
 export type PriceProcessor = Processor<PriceJobData, PriceJobReturn, 'updatePrice'>
@@ -80,14 +81,20 @@ export class RelayerQueueHelper {
 
   get queue() {
     if (!this._queue) {
-      this._queue = new Queue<RelayerJobData, RelayerJobReturn, RelayerJobType>(this.config.queueName, { connection: this.store.client });
+      this._queue = new Queue<RelayerJobData, RelayerJobReturn, RelayerJobType>(this.config.queueName, {
+        connection: this.store.client,
+        defaultJobOptions: { stackTraceLimit: 100 },
+      });
     }
     return this._queue;
   }
 
   get worker() {
     if (!this._worker) {
-      this._worker = new Worker<RelayerJobData, RelayerJobReturn, RelayerJobType>(this.config.queueName, relayerProcessor, { connection: this.store.client });
+      this._worker = new Worker<RelayerJobData, RelayerJobReturn, RelayerJobType>(this.config.queueName, relayerProcessor, {
+        connection: this.store.client,
+        concurrency: 1,
+      });
     }
     return this._worker;
   }
diff --git a/src/queue/price.processor.ts b/src/queue/price.processor.ts
index 4fcff02..fc944c7 100644
--- a/src/queue/price.processor.ts
+++ b/src/queue/price.processor.ts
@@ -4,6 +4,5 @@ import { PriceProcessor } from './index';
 export const priceProcessor: PriceProcessor = async (job) => {
   const priceService = getPriceService();
   const result = await priceService.fetchPrices(job.data);
-  console.log('priceProcessor', result);
   return await priceService.savePrices(result);
 };
diff --git a/src/queue/relayer.processor.ts b/src/queue/relayer.processor.ts
index 2f09662..11350d4 100644
--- a/src/queue/relayer.processor.ts
+++ b/src/queue/relayer.processor.ts
@@ -3,14 +3,21 @@ import { getTxService } from '../services';
 import { JobStatus } from '../types';
 
 export const relayerProcessor: RelayerProcessor = async (job) => {
-  await job.update({ ...job.data, status: JobStatus.ACCEPTED });
-  console.log(`Start processing a new ${job.data.type} job ${job.id}`);
+  try {
+    await job.update({ ...job.data, status: JobStatus.ACCEPTED });
+    console.log(`Start processing a new ${job.data.type} job ${job.id}`);
+
+    const txService = getTxService();
+    txService.currentJob = job;
+    const withdrawalData = job.data;
+    await txService.checkTornadoFee(withdrawalData);
+    const txData = await txService.prepareTxData(withdrawalData);
+    const receipt = await txService.sendTx(txData);
+    return receipt;
+  } catch (e) {
+    console.log(e);
+    await job.update({ ...job.data, status: JobStatus.FAILED });
+    throw new Error(e.message);
+  }
 
-  const txService = getTxService();
-  const withdrawalData = job.data;
-  await txService.checkTornadoFee(withdrawalData);
-  const txData = await txService.prepareTxData(withdrawalData);
-  const receipt = await txService.sendTx(txData);
-  console.log(receipt);
-  return receipt;
 };
diff --git a/src/queue/worker.ts b/src/queue/worker.ts
index bf0c9b1..64a85e3 100644
--- a/src/queue/worker.ts
+++ b/src/queue/worker.ts
@@ -17,8 +17,9 @@ export const schedulerWorker = async () => {
 export const relayerWorker = async () => {
   await configService.init();
   const relayer = new RelayerQueueHelper();
+  console.log(relayer.queue.name, 'worker started');
   relayer.worker.on('completed', (job, result) => {
-    console.log(`Job ${job.id} completed with result: ${result}`);
+    console.log(`Job ${job.id} completed with result: `, result);
   });
   relayer.worker.on('failed', (job, error) => console.log(error));
 };
diff --git a/src/services/config.service.ts b/src/services/config.service.ts
index 012edb6..4c95942 100644
--- a/src/services/config.service.ts
+++ b/src/services/config.service.ts
@@ -12,7 +12,6 @@ type relayerQueueName = `relayer_${availableIds}`
 
 @singleton()
 export class ConfigService {
-  static instance: ConfigService;
   netIdKey: netIds;
   queueName: relayerQueueName;
   tokens: Token[];
@@ -35,7 +34,6 @@ export class ConfigService {
     this.instances = instances[this.netIdKey];
     this.provider = getProvider(false);
     this.wallet = new Wallet(this.privateKey, this.provider);
-    console.log(this.wallet.address);
     this._fillInstanceMap();
   }
 
@@ -43,10 +41,6 @@ export class ConfigService {
     return this._proxyContract;
   }
 
-  get proxyAddress(): string {
-    return this._proxyAddress;
-  }
-
   private _fillInstanceMap() {
     if (!this.instances) throw new Error('config mismatch, check your environment variables');
     // TODO
diff --git a/src/worker.ts b/src/worker.ts
index a16611b..a4d5a92 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -1,3 +1,4 @@
-import { schedulerWorker } from './queue/worker';
+import { schedulerWorker, relayerWorker } from './queue/worker';
 
 schedulerWorker();
+relayerWorker();