diff --git a/config.json b/config.json
index c6de27c..ed08434 100644
--- a/config.json
+++ b/config.json
@@ -1,8 +1,7 @@
 {
-  "snapshotBlockNumber": 13685625,
   "novaProxy": "0xD692Fd2D0b2Fbd2e52CFa5B5b9424bC981C30696",
   "newNovaImpl": "TODO",
-  "ethAmbBridge": "0x75df5af045d91108662d8080fd1fefad6aa0bb59",
+  "ethAmbBridge": "0x4C36d2919e407f0Cc2Ee3c993ccF8ac26d9CE64e",
   "gasLimit": 200000,
   "singletonFactory": "0xce0042B868300000d44A59004Da54A005ffdcf9f",
   "singletonFactoryVerboseWrapper": "0xCEe71753C9820f063b38FDbE4cFDAf1d3D928A80",
diff --git a/contracts/helpers/MockAMB.sol b/contracts/helpers/MockAMB.sol
new file mode 100644
index 0000000..6d0f4ac
--- /dev/null
+++ b/contracts/helpers/MockAMB.sol
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma abicoder v2;
+
+import { IAMB } from "omnibridge/contracts/interfaces/IAMB.sol";
+
+ abstract contract MockAMB is IAMB {
+  address public xDomainMessageSender;
+  bytes32 public xDomainMessageChainId;
+
+  struct Call {
+    address who;
+    bytes callData;
+  }
+
+  constructor(address _xDomainMessageSender, uint256 _xDomainMessageChainId) {
+    xDomainMessageSender = _xDomainMessageSender;
+    xDomainMessageChainId = bytes32(uint256(_xDomainMessageChainId));
+  }
+
+  function setMessageSender(address _sender) external {
+    xDomainMessageSender = _sender;
+  }
+
+  function messageSender() external view override returns (address) {
+    return xDomainMessageSender;
+  }
+
+  function messageSourceChainId() external view override returns (bytes32) {
+    return xDomainMessageChainId;
+  }
+
+  function execute(Call[] calldata _calls) external returns (bool success, bytes memory result) {
+    for (uint256 i = 0; i < _calls.length; i++) {
+      (success, result) = _calls[i].who.call(_calls[i].callData);
+      require(success, string(result));
+    }
+  }
+}
diff --git a/contracts/helpers/SingletonFactory.sol b/contracts/helpers/SingletonFactory.sol
new file mode 100644
index 0000000..e114c0d
--- /dev/null
+++ b/contracts/helpers/SingletonFactory.sol
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+
+/**
+ *Submitted for verification at Etherscan.io on 2020-03-30
+ */
+
+pragma solidity ^0.6.2;
+
+/**
+ * @title Singleton Factory (EIP-2470)
+ * @notice Exposes CREATE2 (EIP-1014) to deploy bytecode on deterministic addresses based on initialization code and salt.
+ * @author Ricardo Guilherme Schmidt (Status Research & Development GmbH)
+ */
+contract SingletonFactory {
+  /**
+   * @notice Deploys `_initCode` using `_salt` for defining the deterministic address.
+   * @param _initCode Initialization code.
+   * @param _salt Arbitrary value to modify resulting address.
+   * @return createdContract Created contract address.
+   */
+  function deploy(bytes memory _initCode, bytes32 _salt) public returns (address payable createdContract) {
+    assembly {
+      createdContract := create2(0, add(_initCode, 0x20), mload(_initCode), _salt)
+    }
+  }
+}
+// IV is a value changed to generate the vanity address.
+// IV: 6583047
diff --git a/contracts/helpers/TestGovernanceUpgrade.sol b/contracts/helpers/TestGovernanceUpgrade.sol
new file mode 100644
index 0000000..441179c
--- /dev/null
+++ b/contracts/helpers/TestGovernanceUpgrade.sol
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.6.12;
+pragma experimental ABIEncoderV2;
+
+import { GovernanceGasUpgrade } from "tornado-governance/contracts/v2-vault-and-gas/gas/GovernanceGasUpgrade.sol";
+
+contract TestGovernanceUpgrade is GovernanceGasUpgrade {
+  constructor(
+    address gasCompLogic,
+    address userVaultAddress
+  ) public GovernanceGasUpgrade(gasCompLogic, userVaultAddress) {}
+
+  function test() public pure returns (int256) {
+    return 231;
+  }
+}
diff --git a/hardhat.config.js b/hardhat.config.js
index 262ede6..4909bd0 100644
--- a/hardhat.config.js
+++ b/hardhat.config.js
@@ -8,36 +8,67 @@ require('dotenv').config()
  */
 module.exports = {
   solidity: {
-    version: '0.6.12',
-    settings: {
-      optimizer: {
-        enabled: true,
-        runs: 200,
+    compilers: [
+      {
+        version: '0.6.12',
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200,
+          },
+        },
       },
-    },
+      {
+        version: '0.7.5',
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200,
+          },
+        },
+      },
+      {
+        version: '0.7.6',
+        settings: {
+          optimizer: {
+            enabled: true,
+            runs: 200,
+          },
+        },
+      },
+    ],
   },
   networks: {
-    rinkeby: {
-      url: `https://rinkeby.infura.io/v3/${process.env.INFURA_API_KEY}`,
-      accounts: [`0x${process.env.PRIVATE_KEY}`],
+    hardhat: {
+      forking: {
+        url: `https://eth-mainnet.alchemyapi.io/v2/${process.env.ALCHEMY_KEY}`,
+        blockNumber: 13685625,
+      },
+      chainId: 1,
+      initialBaseFeePerGas: 5,
+      loggingEnabled: false,
+      allowUnlimitedContractSize: false,
+      blockGasLimit: 50000000,
     },
-    ropsten: {
-      url: `https://ropsten.infura.io/v3/${process.env.INFURA_API_KEY}`,
-      accounts: [`0x${process.env.PRIVATE_KEY}`],
+    localhost: {
+      forking: {
+        url: `https://eth-mainnet.alchemyapi.io/v2/${process.env.ALCHEMY_KEY}`,
+        blockNumber: 13685625,
+      },
+      accounts: process.env.PRIVATE_KEY
+        ? [process.env.PRIVATE_KEY]
+        : {
+            mnemonic: 'test test test test test test test test test test test junk',
+          },
     },
     mainnet: {
-      url: `https://mainnet.infura.io/v3/${process.env.INFURA_API_KEY}`,
-      accounts: [`0x${process.env.PRIVATE_KEY}`],
-    },
-    bsc_testnet: {
-      url: `https://speedy-nodes-nyc.moralis.io/${process.env.MORALIS_API_KEY}/bsc/testnet`,
-      accounts: [`0x${process.env.PRIVATE_KEY}`],
-      gasPrice: 10 * 1000000000,
-    },
-    bsc_mainnet: {
-      url: `https://speedy-nodes-nyc.moralis.io/${process.env.MORALIS_API_KEY}/bsc/mainnet`,
-      accounts: [`0x${process.env.PRIVATE_KEY}`],
-      gasPrice: 5 * 1000000000,
+      url: `https://eth-mainnet.alchemyapi.io/v2/${process.env.ALCHEMY_KEY}`,
+      accounts: process.env.PRIVATE_KEY
+        ? [process.env.PRIVATE_KEY]
+        : {
+            mnemonic: 'test test test test test test test test test test test junk',
+          },
+      timeout: 2147483647,
     },
   }
 }
diff --git a/package.json b/package.json
index 69b1444..76fa7be 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,8 @@
   "dependencies": {
     "ethereum-waffle": "^3.4.0",
     "ethers": "^5.5.1",
-    "tornado-governance": "2.0.0"
+    "tornado-governance": "2.0.0",
+    "omnibridge": "https://github.com/omni/omnibridge"
   },
   "devDependencies": {
     "@ethersproject/testcases": "^5.4.0",
diff --git a/src/0_generateAddresses.js b/src/0_generateAddresses.js
index e2aece9..d41d78d 100644
--- a/src/0_generateAddresses.js
+++ b/src/0_generateAddresses.js
@@ -10,7 +10,7 @@ async function generate(config) {
       .encodeDeploy([
         config.novaProxy,
         config.newNovaImpl,
-        config.bridge,
+        config.ethAmbBridge,
         config.gasLimit,
       ])
       .slice(2)
diff --git a/test/functions.test.js b/test/functions.test.js
new file mode 100644
index 0000000..e4ca8da
--- /dev/null
+++ b/test/functions.test.js
@@ -0,0 +1,118 @@
+const { ethers } = require('hardhat')
+const { expect } = require('chai')
+const fs = require('fs')
+
+const config = require('./test.config.json')
+const { getSignerFromAddress, takeSnapshot, revertSnapshot } = require('./utils')
+const { generate } = require('../src/0_generateAddresses')
+
+const ambPath = 'omnibridge/contracts/interfaces/IAMB.sol:IAMB'
+
+const ProposalState = {
+  Pending: 0,
+  Active: 1,
+  Defeated: 2,
+  Timelocked: 3,
+  AwaitingExecution: 4,
+  Executed: 5,
+  Expired: 6,
+}
+
+describe('General functionality tests', () => {
+  let snapshotId
+
+  let torn = config.tokenAddresses.torn
+  let gov
+  let tornWhale
+  let proposal
+
+  //// HELPER FN
+  let getToken = async (tokenAddress) => {
+    return await ethers.getContractAt('@openzeppelin/contracts/token/ERC20/ERC20.sol:ERC20', tokenAddress)
+  }
+
+  let minewait = async (time) => {
+    await ethers.provider.send('evm_increaseTime', [time])
+    await ethers.provider.send('evm_mine', [])
+  }
+
+  before(async function () {
+    tornWhale = await getSignerFromAddress(config.whales.torn)
+
+    // deploy proposal
+    const singletonFactory = await ethers.getContractAt(
+      'SingletonFactory',
+      config.singletonFactoryVerboseWrapper,
+    )
+
+    const contracts = await generate(config)
+
+    await singletonFactory.deploy(contracts.proposalContract.bytecode, config.salt, { gasLimit: 50000000 })
+    proposal = await ethers.getContractAt('NovaUpgradeProposal', contracts.proposalContract.address)
+
+    snapshotId = await takeSnapshot()
+  })
+
+  describe('Proposal execution', () => {
+    it('the proposal should be executed correctly', async () => {
+      let response, id, state
+      gov = (
+        await ethers.getContractAt(
+          'tornado-governance/contracts/v2-vault-and-gas/gas/GovernanceGasUpgrade.sol:GovernanceGasUpgrade',
+          config.governance,
+        )
+      ).connect(tornWhale)
+
+      await (
+        await (await getToken(torn)).connect(tornWhale)
+      ).approve(gov.address, ethers.utils.parseEther('1000000'))
+
+      await gov.lockWithApproval(ethers.utils.parseEther('26000'))
+
+      response = await gov.propose(proposal.address, 'Nova Upgrade Proposal')
+      id = await gov.latestProposalIds(tornWhale.address)
+      state = await gov.state(id)
+
+      let { events } = await response.wait()
+      let args = events.find(({ event }) => event == 'ProposalCreated').args
+      expect(args.id).to.be.equal(id)
+      expect(args.proposer).to.be.equal(tornWhale.address)
+      expect(args.target).to.be.equal(proposal.address)
+      expect(args.description).to.be.equal('Nova Upgrade Proposal')
+      expect(state).to.be.equal(ProposalState.Pending)
+
+      await minewait((await gov.VOTING_DELAY()).add(1).toNumber())
+      await expect(gov.castVote(id, true)).to.not.be.reverted
+      state = await gov.state(id)
+      expect(state).to.be.equal(ProposalState.Active)
+      await minewait(
+        (
+          await gov.VOTING_PERIOD()
+        )
+          .add(await gov.EXECUTION_DELAY())
+          .add(96400)
+          .toNumber(),
+      )
+      state = await gov.state(id)
+      expect(state).to.be.equal(ProposalState.AwaitingExecution)
+
+      await gov.execute(id)      
+
+      const amb = await ethers.getContractAt(ambPath, config.ethAmbBridge)
+      const filter = amb.filters.UserRequestForAffirmation()
+      const fromBlock = await ethers.provider.getBlock()
+      events = await amb.queryFilter(filter, fromBlock.number)
+      bridgedData = events[0].args.encodedData.toString()
+      expect(bridgedData.slice(106,146)).to.be.equal(config.novaProxy.slice(2))
+      expect(bridgedData.slice(196)).to.be.equal(config.newNovaImpl.slice(2))
+
+      state = await gov.state(id)
+      expect(state).to.be.equal(ProposalState.Executed)
+    })
+  })
+
+  afterEach(async () => {
+    await revertSnapshot(snapshotId)
+    snapshotId = await takeSnapshot()
+  })
+})
diff --git a/test/test.config.json b/test/test.config.json
new file mode 100644
index 0000000..ee45885
--- /dev/null
+++ b/test/test.config.json
@@ -0,0 +1,18 @@
+{
+  "snapshotBlockNumber": 13685625,
+  "governance": "0x5efda50f22d34F262c29268506C5Fa42cB56A1Ce",
+  "novaProxy": "0xd692fd2d0b2fbd2e52cfa5b5b9424bc981c30696",
+  "newNovaImpl": "0x000000000000000000000000000000000000dead",
+  "ethAmbBridge": "0x4C36d2919e407f0Cc2Ee3c993ccF8ac26d9CE64e",
+  "xdaiAmbBridge": "0x75df5af045d91108662d8080fd1fefad6aa0bb59",
+  "gasLimit": 200000,
+  "singletonFactory": "0xce0042B868300000d44A59004Da54A005ffdcf9f",
+  "singletonFactoryVerboseWrapper": "0xCEe71753C9820f063b38FDbE4cFDAf1d3D928A80",
+  "salt": "0x746f726e61646f00000000000000000000000000000000000000000000000000",
+  "tokenAddresses": {
+    "torn": "0x77777FeDdddFfC19Ff86DB637967013e6C6A116C"
+  },
+  "whales": {
+    "torn": "0xF977814e90dA44bFA03b6295A0616a897441aceC"
+  }
+}
diff --git a/test/utils.js b/test/utils.js
new file mode 100644
index 0000000..4dccc91
--- /dev/null
+++ b/test/utils.js
@@ -0,0 +1,37 @@
+/* global ethers, network */
+
+async function setTime(timestamp) {
+  await ethers.provider.send('evm_setNextBlockTimestamp', [timestamp])
+}
+
+async function takeSnapshot() {
+  return await ethers.provider.send('evm_snapshot', [])
+}
+
+async function revertSnapshot(id) {
+  await ethers.provider.send('evm_revert', [id])
+}
+
+async function advanceTime(sec) {
+  const now = (await ethers.provider.getBlock('latest')).timestamp
+  await setTime(now + sec)
+}
+
+async function getSignerFromAddress(address) {
+  await network.provider.request({
+    method: 'hardhat_impersonateAccount',
+    params: [address],
+  })
+
+  let signer = await ethers.provider.getSigner(address)
+  signer.address = signer._address
+  return signer
+}
+
+module.exports = {
+  setTime,
+  advanceTime,
+  takeSnapshot,
+  revertSnapshot,
+  getSignerFromAddress,
+}
diff --git a/yarn.lock b/yarn.lock
index f8ce2a9..7b39774 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1609,7 +1609,7 @@ aws4@^1.8.0:
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
   integrity sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==
 
-axios@^0.21.1:
+axios@^0.21.0, axios@^0.21.1:
   version "0.21.4"
   resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.4.tgz#c67b90dc0568e5c1cf2b0b858c43ba28e2eda575"
   integrity sha512-ut5vewkiu8jjGBdqpM44XxjuCjq9LAKeHVmoVfHVzy8eHgxxq8SbAVQNovDA8mVi05kP0Ea/n/UzcSHcTJQfNg==
@@ -2596,6 +2596,14 @@ chalk@^2.0.0, chalk@^2.4.1, chalk@^2.4.2:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+chalk@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-3.0.0.tgz#3f73c2bf526591f574cc492c51e2456349f844e4"
+  integrity sha512-4D3B6Wf41KOYRFdszmDqMCGq5VV/uMAB273JILmO+3jAlh8X4qDtdtgCR3fxtbLEMzSx22QdhnDcJvu2u1fVwg==
+  dependencies:
+    ansi-styles "^4.1.0"
+    supports-color "^7.1.0"
+
 chalk@^4.0.0, chalk@^4.1.0:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.2.tgz#aac4e2b7734a740867aeb16bf02aad556a1e7a01"
@@ -3364,6 +3372,21 @@ env-paths@^2.2.0:
   resolved "https://registry.yarnpkg.com/env-paths/-/env-paths-2.2.1.tgz#420399d416ce1fbe9bc0a07c62fa68d67fd0f8f2"
   integrity sha512-+h1lkLKhZMTYjog1VEpJNG7NZJWcuc2DDk/qsqSTRRCOXiLjeQ1d1/udrUGhqMxUgAlwKNZ0cf2uqan5GLuS2A==
 
+envalid@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/envalid/-/envalid-6.0.2.tgz#7139770e089acc945c0e47b5075d72915d8683e8"
+  integrity sha512-ChJb9a5rjwZ/NkcXfBrzEl5cFZaGLg38N7MlWJkv5qsmSypX2WJe28LkoAWcklC60nKZXYKRlBbsjuJSjYw0Xg==
+  dependencies:
+    chalk "^3.0.0"
+    dotenv "^8.2.0"
+    meant "^1.0.1"
+    validator "^13.0.0"
+
+err-code@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/err-code/-/err-code-2.0.3.tgz#23c2f3b756ffdfc608d30e27c9a941024807e7f9"
+  integrity sha512-2bmlRpNKBxT/CRmPOlyISQpNj+qSeYvcym/uT0Jx2bMOlKLtSy1ZmLuVxSEKKyor/N5yhvp/ZiG1oE3DEYMSFA==
+
 errno@~0.1.1:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.8.tgz#8bb3e9c7d463be4976ff888f76b4809ebc2e811f"
@@ -6239,6 +6262,11 @@ md5.js@^1.3.4:
     inherits "^2.0.1"
     safe-buffer "^5.1.2"
 
+meant@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/meant/-/meant-1.0.3.tgz#67769af9de1d158773e928ae82c456114903554c"
+  integrity sha512-88ZRGcNxAq4EH38cQ4D85PM57pikCwS8Z99EWHODxN7KBY+UuPiqzRTtZzS8KTXO/ywSWbdjjJST2Hly/EQxLw==
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -6857,6 +6885,18 @@ oboe@2.1.5:
   dependencies:
     http-https "^1.0.0"
 
+"omnibridge@https://github.com/omni/omnibridge":
+  version "1.1.0"
+  resolved "https://github.com/omni/omnibridge#c814f686487c50462b132b9691fd77cc2de237d3"
+  dependencies:
+    axios "^0.21.0"
+    bignumber.js "^9.0.1"
+    dotenv "^8.2.0"
+    envalid "^6.0.2"
+    promise-retry "^2.0.1"
+    querystring "^0.2.0"
+    web3 "1.3.1"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -7274,6 +7314,14 @@ progress@^2.0.0:
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.3.tgz#7e8cf8d8f5b8f239c1bc68beb4eb78567d572ef8"
   integrity sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==
 
+promise-retry@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/promise-retry/-/promise-retry-2.0.1.tgz#ff747a13620ab57ba688f5fc67855410c370da22"
+  integrity sha512-y+WKFlBR8BGXnsNlIHFGPZmyDf3DFMoLhaflAnyZgV6rG6xu+JwesTo2Q9R6XwYmtmwAFCkAk3e35jEdoeh/3g==
+  dependencies:
+    err-code "^2.0.2"
+    retry "^0.12.0"
+
 promise-to-callback@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/promise-to-callback/-/promise-to-callback-1.0.0.tgz#5d2a749010bfb67d963598fcd3960746a68feef7"
@@ -7428,6 +7476,11 @@ querystring@0.2.0:
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
   integrity sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=
 
+querystring@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.1.tgz#40d77615bb09d16902a85c3e38aa8b5ed761c2dd"
+  integrity sha512-wkvS7mL/JMugcup3/rMitHmd9ecIGd2lhFhK9N3UUQ450h66d1r3Y9nvXzQAW1Lq+wyx61k/1pfKS5KuKiyEbg==
+
 queue-microtask@^1.2.2:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/queue-microtask/-/queue-microtask-1.2.3.tgz#4929228bbc724dfac43e0efb058caf7b6cfb6243"
@@ -9086,6 +9139,11 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
+validator@^13.0.0:
+  version "13.7.0"
+  resolved "https://registry.yarnpkg.com/validator/-/validator-13.7.0.tgz#4f9658ba13ba8f3d82ee881d3516489ea85c0857"
+  integrity sha512-nYXQLCBkpJ8X6ltALua9dRrZDHVYxjJ1wgskNt1lH9fzGjs3tgojGSCBjmEPwkWS1y29+DrizMTW19Pr9uB2nw==
+
 varint@^5.0.0:
   version "5.0.2"
   resolved "https://registry.yarnpkg.com/varint/-/varint-5.0.2.tgz#5b47f8a947eb668b848e034dcfa87d0ff8a7f7a4"
@@ -9115,6 +9173,16 @@ web3-bzz@1.2.11:
     swarm-js "^0.1.40"
     underscore "1.9.1"
 
+web3-bzz@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.3.1.tgz#c7e13e5fbbbe4634b0d883e5440069fc58e58044"
+  integrity sha512-MN726zFpFpwhs3NMC35diJGkwTVUj+8LM/VWqooGX/MOjgYzNrJ7Wr8EzxoaTCy87edYNBprtxBkd0HzzLmung==
+  dependencies:
+    "@types/node" "^12.12.6"
+    got "9.6.0"
+    swarm-js "^0.1.40"
+    underscore "1.9.1"
+
 web3-bzz@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.5.3.tgz#e36456905ce051138f9c3ce3623cbc73da088c2b"
@@ -9142,6 +9210,15 @@ web3-core-helpers@1.2.11:
     web3-eth-iban "1.2.11"
     web3-utils "1.2.11"
 
+web3-core-helpers@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.3.1.tgz#ffd6f47c1b54a8523f00760a8d713f44d0f97e97"
+  integrity sha512-tMVU0ScyQUJd/HFWfZrvGf+QmPCodPyKQw1gQ+n9We/H3vPPbUxDjNeYnd4BbYy5O9ox+0XG6i3+JlwiSkgDkA==
+  dependencies:
+    underscore "1.9.1"
+    web3-eth-iban "1.3.1"
+    web3-utils "1.3.1"
+
 web3-core-helpers@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.5.3.tgz#099030235c477aadf39a94199ef40092151d563c"
@@ -9170,6 +9247,18 @@ web3-core-method@1.2.11:
     web3-core-subscriptions "1.2.11"
     web3-utils "1.2.11"
 
+web3-core-method@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.3.1.tgz#c1d8bf1e2104a8d625c99caf94218ad2dc948c92"
+  integrity sha512-dA38tNVZWTxBFMlLFunLD5Az1AWRi5HqM+AtQrTIhxWCzg7rJSHuaYOZ6A5MHKGPWpdykLhzlna0SsNv5AVs8w==
+  dependencies:
+    "@ethersproject/transactions" "^5.0.0-beta.135"
+    underscore "1.9.1"
+    web3-core-helpers "1.3.1"
+    web3-core-promievent "1.3.1"
+    web3-core-subscriptions "1.3.1"
+    web3-utils "1.3.1"
+
 web3-core-method@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.5.3.tgz#6cff97ed19fe4ea2e9183d6f703823a079f5132c"
@@ -9200,6 +9289,13 @@ web3-core-promievent@1.2.11:
   dependencies:
     eventemitter3 "4.0.4"
 
+web3-core-promievent@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.3.1.tgz#b4da4b34cd9681e22fcda25994d7629280a1e046"
+  integrity sha512-jGu7TkwUqIHlvWd72AlIRpsJqdHBQnHMeMktrows2148gg5PBPgpJ10cPFmCCzKT6lDOVh9B7pZMf9eckMDmiA==
+  dependencies:
+    eventemitter3 "4.0.4"
+
 web3-core-promievent@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.5.3.tgz#3f11833c3dc6495577c274350b61144e0a4dba01"
@@ -9225,6 +9321,18 @@ web3-core-requestmanager@1.2.11:
     web3-providers-ipc "1.2.11"
     web3-providers-ws "1.2.11"
 
+web3-core-requestmanager@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.3.1.tgz#6dd2b5161ba778dfffe68994a4accff2decc54fe"
+  integrity sha512-9WTaN2SoyJX1amRyTzX2FtbVXsyWBI2Wef2Q3gPiWaEo/VRVm3e4Bq8MwxNTUMIJMO8RLGHjtdgsoDKPwfL73Q==
+  dependencies:
+    underscore "1.9.1"
+    util "^0.12.0"
+    web3-core-helpers "1.3.1"
+    web3-providers-http "1.3.1"
+    web3-providers-ipc "1.3.1"
+    web3-providers-ws "1.3.1"
+
 web3-core-requestmanager@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.5.3.tgz#b339525815fd40e3a2a81813c864ddc413f7b6f7"
@@ -9256,6 +9364,15 @@ web3-core-subscriptions@1.2.11:
     underscore "1.9.1"
     web3-core-helpers "1.2.11"
 
+web3-core-subscriptions@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.3.1.tgz#be1103259f91b7fc7f4c6a867aa34dea70a636f7"
+  integrity sha512-eX3N5diKmrxshc6ZBZ8EJxxAhCxdYPbYXuF2EfgdIyHmxwmYqIVvKepzO8388Bx8JD3D0Id/pKE0dC/FnDIHTQ==
+  dependencies:
+    eventemitter3 "4.0.4"
+    underscore "1.9.1"
+    web3-core-helpers "1.3.1"
+
 web3-core-subscriptions@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.5.3.tgz#d7d69c4caad65074212028656e9dc56ca5c2159d"
@@ -9285,6 +9402,19 @@ web3-core@1.2.11:
     web3-core-requestmanager "1.2.11"
     web3-utils "1.2.11"
 
+web3-core@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.3.1.tgz#fb0fc5d952a7f3d580a7e6155d2f28be064e64cb"
+  integrity sha512-QlBwSyjl2pqYUBE7lH9PfLxa8j6AzzAtvLUqkgoaaFJYLP/+XavW1n6dhVCTq+U3L3eNc+bMp9GLjGDJNXMnGg==
+  dependencies:
+    "@types/bn.js" "^4.11.5"
+    "@types/node" "^12.12.6"
+    bignumber.js "^9.0.0"
+    web3-core-helpers "1.3.1"
+    web3-core-method "1.3.1"
+    web3-core-requestmanager "1.3.1"
+    web3-utils "1.3.1"
+
 web3-core@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.5.3.tgz#59f8728b27c8305b349051326aa262b9b7e907bf"
@@ -9320,6 +9450,15 @@ web3-eth-abi@1.2.11:
     underscore "1.9.1"
     web3-utils "1.2.11"
 
+web3-eth-abi@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.3.1.tgz#d60fe5f15c7a3a426c553fdaa4199d07f1ad899c"
+  integrity sha512-ds4aTeKDUEqTXgncAtxvcfMpPiei9ey7+s2ZZ+OazK2CK5jWhFiJuuj9Q68kOT+hID7E1oSDVsNmJWFD/7lbMw==
+  dependencies:
+    "@ethersproject/abi" "5.0.7"
+    underscore "1.9.1"
+    web3-utils "1.3.1"
+
 web3-eth-abi@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.5.3.tgz#5aea9394d797f99ca0d9bd40c3417eb07241c96c"
@@ -9353,6 +9492,23 @@ web3-eth-accounts@1.2.11:
     web3-core-method "1.2.11"
     web3-utils "1.2.11"
 
+web3-eth-accounts@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.3.1.tgz#63b247461f1ae0ae46f9a5d5aa896ea80237143e"
+  integrity sha512-wsV3/0Pbn5+pI8PiCD1CYw7I1dkQujcP//aJ+ZH8PoaHQoG6HnJ7nTp7foqa0r/X5lizImz/g5S8D76t3Z9tHA==
+  dependencies:
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.8"
+    ethereumjs-common "^1.3.2"
+    ethereumjs-tx "^2.1.1"
+    scrypt-js "^3.0.1"
+    underscore "1.9.1"
+    uuid "3.3.2"
+    web3-core "1.3.1"
+    web3-core-helpers "1.3.1"
+    web3-core-method "1.3.1"
+    web3-utils "1.3.1"
+
 web3-eth-accounts@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.5.3.tgz#076c816ff4d68c9dffebdc7fd2bfaddcfc163d77"
@@ -9402,6 +9558,21 @@ web3-eth-contract@1.2.11:
     web3-eth-abi "1.2.11"
     web3-utils "1.2.11"
 
+web3-eth-contract@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.3.1.tgz#05cb77bd2a671c5480897d20de487f3bae82e113"
+  integrity sha512-cHu9X1iGrK+Zbrj4wYKwHI1BtVGn/9O0JRsZqd9qcFGLwwAmaCJYy0sDn7PKCKDSL3qB+MDILoyI7FaDTWWTHg==
+  dependencies:
+    "@types/bn.js" "^4.11.5"
+    underscore "1.9.1"
+    web3-core "1.3.1"
+    web3-core-helpers "1.3.1"
+    web3-core-method "1.3.1"
+    web3-core-promievent "1.3.1"
+    web3-core-subscriptions "1.3.1"
+    web3-eth-abi "1.3.1"
+    web3-utils "1.3.1"
+
 web3-eth-contract@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.5.3.tgz#12b03a4a16ce583a945f874bea2ff2fb4c5b81ad"
@@ -9445,6 +9616,21 @@ web3-eth-ens@1.2.11:
     web3-eth-contract "1.2.11"
     web3-utils "1.2.11"
 
+web3-eth-ens@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.3.1.tgz#ccfd621ddc1fecb44096bc8e60689499a9eb4421"
+  integrity sha512-MUQvYgUYQ5gAwbZyHwI7y+NTT6j98qG3MVhGCUf58inF5Gxmn9OlLJRw8Tofgf0K87Tk9Kqw1/2QxUE4PEZMMA==
+  dependencies:
+    content-hash "^2.5.2"
+    eth-ens-namehash "2.0.8"
+    underscore "1.9.1"
+    web3-core "1.3.1"
+    web3-core-helpers "1.3.1"
+    web3-core-promievent "1.3.1"
+    web3-eth-abi "1.3.1"
+    web3-eth-contract "1.3.1"
+    web3-utils "1.3.1"
+
 web3-eth-ens@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.5.3.tgz#ef6eee1ddf32b1ff9536fc7c599a74f2656bafe1"
@@ -9481,6 +9667,14 @@ web3-eth-iban@1.2.11:
     bn.js "^4.11.9"
     web3-utils "1.2.11"
 
+web3-eth-iban@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.3.1.tgz#4351e1a658efa5f3218357f0a38d6d8cad82481e"
+  integrity sha512-RCQLfR9Z+DNfpw7oUauYHg1HcVoEljzhwxKn3vi15gK0ssWnTwRGqUiIyVTeSb836G6oakOd5zh7XYqy7pn+nw==
+  dependencies:
+    bn.js "^4.11.9"
+    web3-utils "1.3.1"
+
 web3-eth-iban@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.5.3.tgz#91b1475893a877b10eac1de5cce6eb379fb81b5d"
@@ -9509,6 +9703,18 @@ web3-eth-personal@1.2.11:
     web3-net "1.2.11"
     web3-utils "1.2.11"
 
+web3-eth-personal@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.3.1.tgz#cfe8af01588870d195dabf0a8d9e34956fb8856d"
+  integrity sha512-/vZEQpXJfBfYoy9KT911ItfoscEfF0Q2j8tsXzC2xmmasSZ6YvAUuPhflVmAo0IHQSX9rmxq0q1p3sbnE3x2pQ==
+  dependencies:
+    "@types/node" "^12.12.6"
+    web3-core "1.3.1"
+    web3-core-helpers "1.3.1"
+    web3-core-method "1.3.1"
+    web3-net "1.3.1"
+    web3-utils "1.3.1"
+
 web3-eth-personal@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.5.3.tgz#4ebe09e9a77dd49d23d93b36b36cfbf4a6dae713"
@@ -9552,6 +9758,25 @@ web3-eth@1.2.11:
     web3-net "1.2.11"
     web3-utils "1.2.11"
 
+web3-eth@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.3.1.tgz#60ac4b58e5fd17b8dbbb8378abd63b02e8326727"
+  integrity sha512-e4iL8ovj0zNxzbv4LTHEv9VS03FxKlAZD+95MolwAqtVoUnKC2H9X6dli0w6eyXP0aKw+mwY0g0CWQHzqZvtXw==
+  dependencies:
+    underscore "1.9.1"
+    web3-core "1.3.1"
+    web3-core-helpers "1.3.1"
+    web3-core-method "1.3.1"
+    web3-core-subscriptions "1.3.1"
+    web3-eth-abi "1.3.1"
+    web3-eth-accounts "1.3.1"
+    web3-eth-contract "1.3.1"
+    web3-eth-ens "1.3.1"
+    web3-eth-iban "1.3.1"
+    web3-eth-personal "1.3.1"
+    web3-net "1.3.1"
+    web3-utils "1.3.1"
+
 web3-eth@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.5.3.tgz#d7d1ac7198f816ab8a2088c01e0bf1eda45862fe"
@@ -9597,6 +9822,15 @@ web3-net@1.2.11:
     web3-core-method "1.2.11"
     web3-utils "1.2.11"
 
+web3-net@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.3.1.tgz#79374b1df37429b0839b83b0abc4440ac6181568"
+  integrity sha512-vuMMWMk+NWHlrNfszGp3qRjH/64eFLiNIwUi0kO8JXQ896SP3Ma0su5sBfSPxNCig047E9GQimrL9wvYAJSO5A==
+  dependencies:
+    web3-core "1.3.1"
+    web3-core-method "1.3.1"
+    web3-utils "1.3.1"
+
 web3-net@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.5.3.tgz#545fee49b8e213b0c55cbe74ffd0295766057463"
@@ -9649,6 +9883,14 @@ web3-providers-http@1.2.11:
     web3-core-helpers "1.2.11"
     xhr2-cookies "1.1.0"
 
+web3-providers-http@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.3.1.tgz#becbea61706b2fa52e15aca6fe519ee108a8fab9"
+  integrity sha512-DOujG6Ts7/hAMj0PW5p9/1vwxAIr+1CJ6ZWHshtfOq1v1KnMphVTGOrjcTTUvPT33/DA/so2pgGoPMrgaEIIvQ==
+  dependencies:
+    web3-core-helpers "1.3.1"
+    xhr2-cookies "1.1.0"
+
 web3-providers-http@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.5.3.tgz#74f170fc3d79eb7941d9fbc34e2a067d61ced0b2"
@@ -9674,6 +9916,15 @@ web3-providers-ipc@1.2.11:
     underscore "1.9.1"
     web3-core-helpers "1.2.11"
 
+web3-providers-ipc@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.3.1.tgz#3cb2572fc5286ab2f3117e0a2dce917816c3dedb"
+  integrity sha512-BNPscLbvwo+u/tYJrLvPnl/g/SQVSnqP/TjEsB033n4IXqTC4iZ9Of8EDmI0U6ds/9nwNqOBx3KsxbinL46UZA==
+  dependencies:
+    oboe "2.1.5"
+    underscore "1.9.1"
+    web3-core-helpers "1.3.1"
+
 web3-providers-ipc@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.5.3.tgz#4bd7f5e445c2f3c2595fce0929c72bb879320a3f"
@@ -9700,6 +9951,16 @@ web3-providers-ws@1.2.11:
     web3-core-helpers "1.2.11"
     websocket "^1.0.31"
 
+web3-providers-ws@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.3.1.tgz#a70140811d138a1a5cf3f0c39d11887c8e341c83"
+  integrity sha512-DAbVbiizv0Hr/bLKjyyKMHc/66ccVkudan3eRsf+R/PXWCqfXb7q6Lwodj4llvC047pEuLKR521ZKr5wbfk1KQ==
+  dependencies:
+    eventemitter3 "4.0.4"
+    underscore "1.9.1"
+    web3-core-helpers "1.3.1"
+    websocket "^1.0.32"
+
 web3-providers-ws@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.5.3.tgz#eec6cfb32bb928a4106de506f13a49070a21eabf"
@@ -9728,6 +9989,16 @@ web3-shh@1.2.11:
     web3-core-subscriptions "1.2.11"
     web3-net "1.2.11"
 
+web3-shh@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.3.1.tgz#42294d684358c22aa48616cb9a3eb2e9c1e6362f"
+  integrity sha512-57FTQvOW1Zm3wqfZpIEqL4apEQIR5JAxjqA4RM4eL0jbdr+Zj5Y4J93xisaEVl6/jMtZNlsqYKTVswx8mHu1xw==
+  dependencies:
+    web3-core "1.3.1"
+    web3-core-method "1.3.1"
+    web3-core-subscriptions "1.3.1"
+    web3-net "1.3.1"
+
 web3-shh@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.5.3.tgz#3c04aa4cda9ba0b746d7225262401160f8e38b13"
@@ -9762,6 +10033,20 @@ web3-utils@1.2.11:
     underscore "1.9.1"
     utf8 "3.0.0"
 
+web3-utils@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.3.1.tgz#9aa880dd8c9463fe5c099107889f86a085370c2e"
+  integrity sha512-9gPwFm8SXtIJuzdrZ37PRlalu40fufXxo+H2PiCwaO6RpKGAvlUlWU0qQbyToFNXg7W2H8djEgoAVac8NLMCKQ==
+  dependencies:
+    bn.js "^4.11.9"
+    eth-lib "0.2.8"
+    ethereum-bloom-filters "^1.0.6"
+    ethjs-unit "0.1.6"
+    number-to-bn "1.7.0"
+    randombytes "^2.1.0"
+    underscore "1.9.1"
+    utf8 "3.0.0"
+
 web3-utils@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.5.3.tgz#e914c9320cd663b2a09a5cb920ede574043eb437"
@@ -9801,6 +10086,19 @@ web3@1.2.11:
     web3-shh "1.2.11"
     web3-utils "1.2.11"
 
+web3@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.3.1.tgz#f780138c92ae3c42ea45e1a3c6ae8844e0aa5054"
+  integrity sha512-lDJwOLSRWHYwhPy4h5TNgBRJ/lED7lWXyVOXHCHcEC8ai3coBNdgEXWBu/GGYbZMsS89EoUOJ14j3Ufi4dUkog==
+  dependencies:
+    web3-bzz "1.3.1"
+    web3-core "1.3.1"
+    web3-eth "1.3.1"
+    web3-eth-personal "1.3.1"
+    web3-net "1.3.1"
+    web3-shh "1.3.1"
+    web3-utils "1.3.1"
+
 web3@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/web3/-/web3-1.5.3.tgz#11882679453c645bf33620fbc255a243343075aa"