diff --git a/contracts/Proposal.sol b/contracts/Proposal.sol
index b63462f..f758f68 100644
--- a/contracts/Proposal.sol
+++ b/contracts/Proposal.sol
@@ -17,17 +17,26 @@ interface IProposal4 {
   function getInstances() external view returns (TornadoProxy.Tornado[] memory instances);
 }
 
+interface ITornadoProxy {
+  function updateInstance(TornadoProxy.Tornado calldata) external;
+  function tornadoTrees() external view returns(address);
+  function governance() external view returns(address);
+  function instances(ITornadoInstance) external view returns(bool, IERC20, TornadoProxy.InstanceState);
+}
+
 interface TornadoTrees is ITornadoTrees {
   function setTornadoProxyContract(address _tornadoProxy) external;
 }
 
+
 contract Proposal {
-  TornadoProxy public constant tornadoProxyV2 = TornadoProxy(0x722122dF12D4e14e13Ac3b6895a86e84145b6967);
+  ITornadoProxy public constant tornadoProxyV2 = ITornadoProxy(0x722122dF12D4e14e13Ac3b6895a86e84145b6967);
   TornadoTrees public constant tornadoTrees = TornadoTrees(0x527653eA119F3E6a1F5BD18fbF4714081D7B31ce);
   IProposal4 public constant proposal4 = IProposal4(0x4B6C07B8940a7602fE4332AFa915b366e56eAce5);
   address public constant governance = 0x5efda50f22d34F262c29268506C5Fa42cB56A1Ce;
   uint256 public constant txFee = 0.1 ether;
   uint256 public constant minStake = 500 ether;
+  uint256 public constant govFeeSplitPercent = 95;
 
   event DeploymentOf(string name, address addr);
 
@@ -63,7 +72,7 @@ contract Proposal {
 
     // initializing Relayer registry
     RelayerRegistry registry = RelayerRegistry(address(registryProxy));
-    registry.initialize(address(tornadoProxyV3), txFee, minStake);
+    registry.initialize(address(tornadoProxyV3), txFee, minStake, govFeeSplitPercent);
 
     // registering the new tornadoProxy contract in tornadoTrees
     tornadoTrees.setTornadoProxyContract(address(tornadoProxyV3));
diff --git a/contracts/RelayerRegistry.sol b/contracts/RelayerRegistry.sol
index e92cc5c..040cb39 100644
--- a/contracts/RelayerRegistry.sol
+++ b/contracts/RelayerRegistry.sol
@@ -2,7 +2,6 @@
 pragma solidity ^0.7.0;
 
 import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
-import "@openzeppelin/contracts/access/Ownable.sol";
 import "@openzeppelin/contracts/math/SafeMath.sol";
 import "@openzeppelin/contracts-upgradeable/proxy/Initializable.sol";
 
@@ -10,25 +9,28 @@ interface IENS {
   function owner(bytes32 node) external view returns (address);
 }
 
-contract RelayerRegistry is Ownable, Initializable {
+contract RelayerRegistry is Initializable {
   using SafeMath for uint256;
 
   IERC20 public constant TORN = IERC20(0x77777FeDdddFfC19Ff86DB637967013e6C6A116C);
   IENS public constant ENS = IENS(0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e);
+  address public constant GOV = 0x5efda50f22d34F262c29268506C5Fa42cB56A1Ce;
   address public withdrawalProxy;
 
   mapping(address => Relayer) public relayers;
-  uint256 public txFee;
+  uint256 public txFee; // TODO should rely on baseFee for a tx
   uint256 public minStake;
+  uint256 public govFeeSplitPercent;
   uint256 public totalTornBurned;
 
   event Register(bytes32 ensHash, address relayer);
   event Stake(address indexed relayer, uint256 stake);
   event Kick(address indexed relayer, bool confiscation);
+  event Transaction(address indexed relayer, uint fee);
   event NewMinStake(uint256 stake);
   event NewTxFee(uint256 fee);
   event NewWithdrawalProxy(address proxy);
-  event Transaction(address indexed _relayer, uint _fee);
+  event NewGovFeeSplitPercent(uint256 govFeeSplitPercent);
 
 
   modifier onlyWithdrawalProxy {
@@ -36,16 +38,22 @@ contract RelayerRegistry is Ownable, Initializable {
     _;
   }
 
+  modifier onlyGovernance {
+    require(msg.sender == GOV, "only governance");
+    _;
+  }
+
   struct Relayer {
     uint256 balance;
     bytes32 ensHash;
     mapping(address => bool) addresses;
   }
 
-  function initialize(address _withdrawalProxy, uint256 _txFee, uint256 _minStake) external initializer {
+  function initialize(address _withdrawalProxy, uint256 _txFee, uint256 _minStake, uint256 _govFeeSplitPercent) external initializer {
     withdrawalProxy = _withdrawalProxy;
     txFee = _txFee;
     minStake = _minStake;
+    govFeeSplitPercent = _govFeeSplitPercent;
   }
 
   function register(uint _stake, bytes32 _ensHash) external {
@@ -78,22 +86,35 @@ contract RelayerRegistry is Ownable, Initializable {
     }
   }
 
-  function setTxFee(uint256 _txFee) external onlyOwner {
+  function distributeFees() external {
+    uint _totalTornBurned = totalTornBurned;
+    uint govAmount = totalTornBurned.mul(govFeeSplitPercent).div(100);
+    TORN.transfer(GOV, govAmount);
+    TORN.transfer(address(0), _totalTornBurned.sub(govAmount));
+  }
+
+  function setTxFee(uint256 _txFee) external onlyGovernance {
     txFee = _txFee;
     emit NewTxFee(_txFee);
   }
 
-  function setMinStake(uint256 _stake) external onlyOwner {
+  function setMinStake(uint256 _stake) external onlyGovernance {
     minStake = _stake;
     emit NewMinStake(_stake);
   }
 
-  function setWithdrawalProxy(address _proxy) external onlyOwner {
+  function setWithdrawalProxy(address _proxy) external onlyGovernance {
     withdrawalProxy = _proxy;
     emit NewWithdrawalProxy(_proxy);
   }
 
-  function kick(address _relayer, bool confiscateStake) external onlyOwner {
+  function setGovFeeSplitPercent(uint256 _govFeeSplitPercent) external onlyGovernance {
+    require(_govFeeSplitPercent <= 100, "Percent should an integer number from 0 to 100");
+    govFeeSplitPercent = _govFeeSplitPercent;
+    emit NewGovFeeSplitPercent(_govFeeSplitPercent);
+  }
+
+  function kick(address _relayer, bool confiscateStake) external onlyGovernance {
     Relayer storage relayer = relayers[_relayer];
     TORN.transfer(confiscateStake ? msg.sender : _relayer, relayer.balance);
     relayer.balance = 0;
diff --git a/hardhat.config.js b/hardhat.config.js
index a6450d5..61dd0e4 100644
--- a/hardhat.config.js
+++ b/hardhat.config.js
@@ -2,6 +2,7 @@ require('dotenv').config()
 require('@nomiclabs/hardhat-waffle')
 require('@nomiclabs/hardhat-etherscan')
 require('hardhat-etherscan-abi')
+require('hardhat-contract-sizer')
 
 /**
  * @type import('hardhat/config').HardhatUserConfig
@@ -61,4 +62,9 @@ module.exports = {
     // Obtain one at https://etherscan.io/
     apiKey: process.env.ETHERSCAN_KEY,
   },
+  contractSizer: {
+    alphaSort: true,
+    runOnCompile: true,
+    disambiguatePaths: false,
+  },
 }
diff --git a/package.json b/package.json
index 1a1598e..5b80a0d 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,7 @@
     "ethereum-waffle": "^3.0.0",
     "ethers": "^5.0.0",
     "hardhat": "^2.1.2",
+    "hardhat-contract-sizer": "^2.0.3",
     "prettier": "^2.3.2",
     "prettier-plugin-solidity": "^1.0.0-beta.17",
     "solhint-plugin-prettier": "^0.0.5"
diff --git a/yarn.lock b/yarn.lock
index 594daa9..e9f854b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2282,6 +2282,16 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
+cli-table3@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/cli-table3/-/cli-table3-0.6.0.tgz#b7b1bc65ca8e7b5cef9124e13dc2b21e2ce4faee"
+  integrity sha512-gnB85c3MGC7Nm9I/FkiasNBOKjOiO1RNuXXarQms37q4QMpWdlbBgD/VnOStA2faG1dpXMv31RFApjX1/QdgWQ==
+  dependencies:
+    object-assign "^4.1.0"
+    string-width "^4.2.0"
+  optionalDependencies:
+    colors "^1.1.2"
+
 cliui@^3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
@@ -2349,6 +2359,11 @@ color-name@~1.1.4:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
   integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
 
+colors@^1.1.2, colors@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/colors/-/colors-1.4.0.tgz#c50491479d4c1bdaed2c9ced32cf7c7dc2360f78"
+  integrity sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==
+
 combined-stream@^1.0.6, combined-stream@^1.0.8, combined-stream@~1.0.6:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
@@ -4138,6 +4153,14 @@ har-validator@~5.1.3:
     ajv "^6.12.3"
     har-schema "^2.0.0"
 
+hardhat-contract-sizer@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/hardhat-contract-sizer/-/hardhat-contract-sizer-2.0.3.tgz#604455fd803865f81c29f60364e863eaa19395a7"
+  integrity sha512-iaixOzWxwOSIIE76cl2uk4m9VXI1hKU3bFt+gl7jDhyb2/JB2xOp5wECkfWqAoc4V5lD4JtjldZlpSTbzX+nPQ==
+  dependencies:
+    cli-table3 "^0.6.0"
+    colors "^1.4.0"
+
 hardhat-etherscan-abi@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/hardhat-etherscan-abi/-/hardhat-etherscan-abi-0.1.1.tgz#5f2c0460aea1a649c2188619405f70a9ea1e019b"