diff --git a/abis/swap.abi.json b/abis/swap.abi.json
index 91b2a68..bd42909 100644
--- a/abis/swap.abi.json
+++ b/abis/swap.abi.json
@@ -69,7 +69,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [],
@@ -82,7 +83,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [],
@@ -95,7 +97,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [],
@@ -108,7 +111,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [],
@@ -121,7 +125,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [],
@@ -134,7 +139,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [],
@@ -147,7 +153,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [],
@@ -160,7 +167,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [
@@ -210,7 +218,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [],
@@ -223,7 +232,8 @@
       }
     ],
     "stateMutability": "view",
-    "type": "function"
+    "type": "function",
+    "constant": true
   },
   {
     "inputs": [
diff --git a/src/config.js b/src/config.js
index 26f2b41..7fc4f21 100644
--- a/src/config.js
+++ b/src/config.js
@@ -8,8 +8,8 @@ module.exports = {
   rpcUrl: process.env.RPC_URL || 'https://kovan.infura.io/',
   oracleRpcUrl: process.env.ORACLE_RPC_URL || 'https://mainnet.infura.io/',
   oracleAddress: '0xA2b8E7ee7c8a18ea561A5CF7C9C365592026E374',
-  minerAddress: '0x0834DeaFD83130AE1867173919f693070DaE6eeD',
-  swapAddress: '0x0834DeaFD83130AE1867173919f693070DaE6eeD',
+  minerAddress: '0x96c7B5c39542bae92b3cD39392a81De514c6E698', // each network has its own instance
+  swapAddress: '0xFc82977BfAEBE93486Ac42ac7c8Ea1043f9a3500',
   minerMerkleTreeHeight: 10,
   privateKey: process.env.PRIVATE_KEY,
   instances: {
diff --git a/src/worker.js b/src/worker.js
index 418e977..7ba648a 100644
--- a/src/worker.js
+++ b/src/worker.js
@@ -136,16 +136,16 @@ async function checkMiningFee({ args }) {
   const { fast } = await gasPriceOracle.gasPrices()
   const ethPrice = await redis.hget('prices', 'torn')
 
-  const expense = toBN(toWei(fast.toString(), 'gwei')).mul(toBN(gasLimits[args.type]))
+  const expense = toBN(toWei(fast.toString(), 'gwei')).mul(toBN(gasLimits[currentJob.data.type]))
   const expenseInTorn = expense.mul(toBN(1e18)).div(toBN(ethPrice))
   // todo make aggregator for ethPrices and rewardSwap data
-  const balance = await swap.virtualTornBalance()
-  const poolWeight = await swap.poolWeight()
+  const balance = await swap.methods.tornVirtualBalance().call()
+  const poolWeight = await swap.methods.poolWeight().call()
   const expenseInPoints = Utils.reverseTornadoFormula({ balance, tokens: expenseInTorn, poolWeight })
   /* eslint-disable */
   const serviceFeePercent =
-    args.type === jobType.MINING_REWARD
-      ? 0
+    currentJob.data.type === jobType.MINING_REWARD
+      ? toBN(0)
       : toBN(args.amount)
           .mul(toBN(miningServiceFee * 1e10))
           .div(toBN(1e10 * 100))
@@ -154,9 +154,9 @@ async function checkMiningFee({ args }) {
 
   console.log(
     'sent fee, desired fee, serviceFeePercent',
-    fromWei(args.fee.toString()),
-    fromWei(desiredFee.toString()),
-    fromWei(serviceFeePercent.toString()),
+    toBN(args.fee).toString(),
+    desiredFee.toString(),
+    serviceFeePercent.toString(),
   )
   if (toBN(args.fee).lt(desiredFee)) {
     throw new Error('Provided fee is not enough. Probably it is a Gas Price spike, try to resubmit.')
@@ -171,7 +171,7 @@ function getTxObject({ data }) {
   const method = data.type !== jobType.MINING_REWARD ? 'withdraw' : 'reward'
 
   const contract = new web3.eth.Contract(ABI, contractAddress)
-  const calldata = contract.methods[method](data.proof, ...data.args).encodeABI()
+  const calldata = contract.methods[method](data.proof, data.args).encodeABI()
 
   return {
     value,
diff --git a/yarn.lock b/yarn.lock
index c7c5177..15fecfe 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1011,6 +1011,11 @@ decamelize@^1.2.0:
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
+decimal.js@^10.2.0:
+  version "10.2.1"
+  resolved "https://registry.yarnpkg.com/decimal.js/-/decimal.js-10.2.1.tgz#238ae7b0f0c793d3e3cea410108b35a2c01426a3"
+  integrity sha512-KaL7+6Fw6i5A2XSnsbhm/6B+NuEA7TZ4vqxnd5tXz9sbKtrN9Srj8ab4vKVdK8YAqZO9P1kg45Y6YLoduPf+kw==
+
 decode-uri-component@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
@@ -3898,11 +3903,12 @@ toidentifier@1.0.0:
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
   integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
 
-"tornado-cash-anonymity-mining@git+https://github.com/tornadocash/tornado-anonymity-mining.git#e3ae8b98b14eb7fee7cb8c93221920a20b1e0cd8":
+"tornado-cash-anonymity-mining@git+https://github.com/tornadocash/tornado-anonymity-mining.git#dd4b996b89580fad986604e507a7e56ad64a3f71":
   version "1.0.0"
-  resolved "git+https://github.com/tornadocash/tornado-anonymity-mining.git#e3ae8b98b14eb7fee7cb8c93221920a20b1e0cd8"
+  resolved "git+https://github.com/tornadocash/tornado-anonymity-mining.git#dd4b996b89580fad986604e507a7e56ad64a3f71"
   dependencies:
     circomlib "git+https://github.com/tornadocash/circomlib.git#5beb6aee94923052faeecea40135d45b6ce6172c"
+    decimal.js "^10.2.0"
     eth-sig-util "^2.5.3"
     fixed-merkle-tree "^0.3.4"
     snarkjs "git+https://github.com/tornadocash/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5"