diff --git a/package.json b/package.json
index 3d7b7041..5a474b15 100644
--- a/package.json
+++ b/package.json
@@ -44,9 +44,9 @@
     "web3-utils": "^1.0.0"
   },
   "devDependencies": {
-    "@nomiclabs/buidler": "^1.0.1",
-    "@nomiclabs/buidler-truffle5": "^1.0.1",
-    "@nomiclabs/buidler-web3": "^1.0.1",
+    "@nomiclabs/buidler": "^1.0.2",
+    "@nomiclabs/buidler-truffle5": "^1.0.2",
+    "@nomiclabs/buidler-web3": "^1.0.2",
     "@truffle/contract": "^4.0.36",
     "decache": "^4.5.1",
     "ganache-core-sc": "^2.7.0-sc.0",
diff --git a/test/integration/projects/solc-6/.solcover.js b/test/integration/projects/solc-6/.solcover.js
new file mode 100644
index 00000000..c2453041
--- /dev/null
+++ b/test/integration/projects/solc-6/.solcover.js
@@ -0,0 +1,8 @@
+// Testing hooks
+const fn = (msg, config) => config.logger.log(msg);
+
+module.exports = {
+  skipFiles: ['Migrations.sol'],
+  silent: process.env.SILENT ? true : false,
+  istanbulReporter: ['json-summary', 'text'],
+}
diff --git a/test/integration/projects/solc-6/buidler.config.js b/test/integration/projects/solc-6/buidler.config.js
new file mode 100644
index 00000000..ea8e0537
--- /dev/null
+++ b/test/integration/projects/solc-6/buidler.config.js
@@ -0,0 +1,10 @@
+const { loadPluginFile } = require("@nomiclabs/buidler/plugins-testing");
+loadPluginFile(__dirname + "/../plugins/buidler.plugin");
+usePlugin("@nomiclabs/buidler-truffle5");
+
+module.exports={
+  defaultNetwork: "buidlerevm",
+  solc: {
+    version: "0.6.0"
+  }
+};
diff --git a/test/integration/projects/solc-6/contracts/ContractA.sol b/test/integration/projects/solc-6/contracts/ContractA.sol
new file mode 100644
index 00000000..842d7ef3
--- /dev/null
+++ b/test/integration/projects/solc-6/contracts/ContractA.sol
@@ -0,0 +1,56 @@
+pragma solidity ^0.6.0;
+
+import "./ContractB.sol";
+
+/**
+ * New syntaxes in solc 0.6.x
+ */
+contract ContractA is ContractB {
+  uint counter;
+  uint errorCount;
+
+  modifier overridden() override {
+    require(true);
+    _;
+  }
+
+  constructor() public {
+  }
+
+  function simpleSet(uint i)
+    public
+    override(ContractB)
+  {
+    counter = counter + i;
+  }
+
+  function simpleView(uint i)
+    view
+    overridden
+    external
+    returns (uint, bool)
+  {
+    return (counter + i, true);
+  }
+
+  function tryCatch() public returns (uint, bool) {
+    try this.simpleView(5) returns (uint, bool) {
+        return (2, true);
+    } catch Error(string memory) {
+        errorCount++;
+        return (0, false);
+    } catch (bytes memory) {
+        errorCount++;
+        return (0, false);
+    }
+  }
+
+  function arraySlice() public pure {
+    abi.decode(msg.data[4:], (uint, uint));
+  }
+
+  function payableFn() public pure {
+    address x;
+    address y = payable(x);
+  }
+}
diff --git a/test/integration/projects/solc-6/contracts/ContractB.sol b/test/integration/projects/solc-6/contracts/ContractB.sol
new file mode 100644
index 00000000..5dd0b63e
--- /dev/null
+++ b/test/integration/projects/solc-6/contracts/ContractB.sol
@@ -0,0 +1,18 @@
+pragma solidity ^0.6.0;
+
+
+contract ContractB {
+  uint value;
+
+  constructor() public {
+  }
+
+  modifier overridden() virtual {
+    require(true);
+    _;
+  }
+
+  function simpleSet(uint i) public virtual {
+    value = 5;
+  }
+}
diff --git a/test/integration/projects/solc-6/test/test.js b/test/integration/projects/solc-6/test/test.js
new file mode 100644
index 00000000..15b89e56
--- /dev/null
+++ b/test/integration/projects/solc-6/test/test.js
@@ -0,0 +1,27 @@
+const ContractA = artifacts.require("ContractA");
+
+contract("contracta", function(accounts) {
+  let instance;
+
+  before(async () => instance = await ContractA.new())
+
+  it('simpleSet (overridden method)', async function(){
+    await instance.simpleSet(5);
+  });
+
+  it('simpleView (overridden modifier)', async function(){
+    await instance.simpleView(5);
+  });
+
+  it('tryCatch', async function(){
+    await instance.tryCatch();
+  });
+
+  it('arraySlice', async function(){
+    await instance.arraySlice();
+  });
+
+  it('payableFn', async function(){
+    await instance.payableFn();
+  })
+});
diff --git a/test/integration/projects/solc-6/truffle-config.js b/test/integration/projects/solc-6/truffle-config.js
new file mode 100644
index 00000000..88bd239a
--- /dev/null
+++ b/test/integration/projects/solc-6/truffle-config.js
@@ -0,0 +1,9 @@
+module.exports = {
+  networks: {},
+  mocha: {},
+  compilers: {
+    solc: {
+      version: "0.6.0"
+    }
+  }
+}
diff --git a/test/sources/js/wallet.js b/test/sources/js/wallet.js
index 144f3b71..1e8dcc3a 100644
--- a/test/sources/js/wallet.js
+++ b/test/sources/js/wallet.js
@@ -17,6 +17,7 @@ contract('Wallet', accounts => {
       from: accounts[0],
     });
 
+    // Throws invalid opcode if compiled w/ solc >= 0.5.14 & default EVM version
     const balance = await walletB.getBalance();
     assert.equal(balance.toNumber(), 100);
   });
diff --git a/test/util/integration.js b/test/util/integration.js
index 99fc2f17..0900550c 100644
--- a/test/util/integration.js
+++ b/test/util/integration.js
@@ -152,6 +152,9 @@ function getDefaultBuidlerConfig() {
         url: "http://127.0.0.1:8545",
       }
     },
+    solc: {
+      evmVersion: 'petersburg'
+    }
   }
 
   return vals;
diff --git a/yarn.lock b/yarn.lock
index ea8b9587..5f2a0139 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -111,29 +111,28 @@
     "@nodelib/fs.scandir" "2.1.2"
     fastq "^1.6.0"
 
-"@nomiclabs/buidler-truffle5@^1.0.1":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-truffle5/-/buidler-truffle5-1.0.1.tgz#6545f52c6441dc8942f66a2f14ef9fdacc899088"
-  integrity sha512-4c36uf62mQz7hrBkKLvLv2+Z7u3VWMoJ7MStm69RMCtUA6iG5kd7Sd+cL3jCHr+eIAMSBGllPmvmAFDp7etFeQ==
+"@nomiclabs/buidler-truffle5@^1.0.2":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-truffle5/-/buidler-truffle5-1.0.2.tgz#b3c7136cbcec6305d51ada6a018e4324459a5f11"
+  integrity sha512-j2icGUTkcUqPJau9YujAP7Y5TVH40RZZr6LAnJ/1nrjArv75Ywdtr7MQ6rSvMP7o+8XBnXyexW+DKVpun4ABpg==
   dependencies:
-    "@nomiclabs/truffle-contract" "^4.0.0"
+    "@nomiclabs/truffle-contract" "^4.1.2"
     "@types/chai" "^4.2.0"
     chai "^4.2.0"
     ethereumjs-util "^6.1.0"
     fs-extra "^7.0.1"
 
-"@nomiclabs/buidler-web3@^1.0.1":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-web3/-/buidler-web3-1.0.1.tgz#8e7f42b62a52a9ed9e205b2ff941a686d8705513"
-  integrity sha512-dgMIabIqReVUzp2reN7pWUS4n0wdIZBsJ4pQFjbjpP91bpVtVAMSaGSU71gqUiXWbyqFY3TOT9Hr9Q8VsqFxEA==
+"@nomiclabs/buidler-web3@^1.0.2":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler-web3/-/buidler-web3-1.0.2.tgz#01420bb81b77ee3d17dc558372d1d3c98e2738d8"
+  integrity sha512-Nph7GkkU0ucpc1gOSfZB9Ar9Uj2+jtZdDk2pn5lpj6seEabKMAGLDYcXhjUphq2FErL2/HDnufzVr3U7uhmtdQ==
 
-"@nomiclabs/buidler@^1.0.1":
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler/-/buidler-1.0.1.tgz#4ac100fa96cf4326a551bf7099922b4c61956a50"
-  integrity sha512-MpjKvp7iYbTCT8gf4/RTYl5LK98owGYkibjUsWZ+B8COtlNQgpt7Eoxrh77lls06oGP8GmseWtVFF+qt9oZczw==
+"@nomiclabs/buidler@^1.0.2":
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/buidler/-/buidler-1.0.2.tgz#383c6336d504253e5cbaa90d301af2159ab6698b"
+  integrity sha512-+S+/JK/TVNc22AQumTl3YtjgPVDsCjzDL9I3foDF7HRhB/a/i6oRLOTWQWhOLDOEA8az/mafLLnul/i7e7fN1Q==
   dependencies:
-    "@nomiclabs/eth-sig-util" "^2.4.4"
-    "@nomiclabs/ethereumjs-vm" "^4.1.0"
+    "@nomiclabs/ethereumjs-vm" "^4.1.1"
     "@types/bn.js" "^4.11.5"
     "@types/lru-cache" "^5.1.0"
     abort-controller "^3.0.0"
@@ -145,6 +144,7 @@
     deepmerge "^2.1.0"
     download "^7.1.0"
     enquirer "^2.3.0"
+    eth-sig-util "^2.5.2"
     ethereumjs-abi "^0.6.8"
     ethereumjs-account "^3.0.0"
     ethereumjs-block "^2.2.0"
@@ -163,39 +163,27 @@
     node-fetch "^2.6.0"
     qs "^6.7.0"
     semver "^6.3.0"
-    solc "0.5.11"
+    solc "0.5.15"
     solidity-parser-antlr "^0.4.2"
     source-map-support "^0.5.13"
     ts-essentials "^2.0.7"
     tsort "0.0.1"
     uuid "^3.3.2"
 
-"@nomiclabs/eth-sig-util@^2.4.4":
-  version "2.4.4"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/eth-sig-util/-/eth-sig-util-2.4.4.tgz#e3518a90027a7952af24204a81713c21b500d546"
-  integrity sha512-t6vqztYHLq9t0CTiULheO+zrNqp1c10EjFgfKNxQGSV+A8hoztJDgU8FRKpczWN6MgQv2qFFgGMRfymadjY4pA==
-  dependencies:
-    buffer "^5.2.1"
-    elliptic "^6.4.0"
-    ethereumjs-abi "0.6.5"
-    ethereumjs-util "^5.1.1"
-    tweetnacl "^1.0.0"
-    tweetnacl-util "^0.15.0"
-
-"@nomiclabs/ethereumjs-vm@^4.1.0":
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/ethereumjs-vm/-/ethereumjs-vm-4.1.0.tgz#2767e5e779c9c1db4ce50adb789d87a683622710"
-  integrity sha512-2eordoieZBmNEMkspyOpn3X4jqUtIzKarahGlPUd3WRVPvOSfbf68wNgKN+IbcQ9xND6nvb64fpW3kgckXdclQ==
+"@nomiclabs/ethereumjs-vm@^4.1.1":
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/ethereumjs-vm/-/ethereumjs-vm-4.1.1.tgz#60f9133c38674a84881455fcd92279bd7410ca92"
+  integrity sha512-zQJBssmK7PyHonzng3VuFUvXQ6uugQeGAA7XvFVoMmEcY9KdWCqEQYh+XQ1jLZ8H9EISYB1BHF9HY6aFnflgcw==
   dependencies:
     async "^2.1.2"
     async-eventemitter "^0.2.2"
     core-js-pure "^3.0.1"
     ethereumjs-account "^3.0.0"
-    ethereumjs-block "~2.2.0"
-    ethereumjs-blockchain "^4.0.1"
+    ethereumjs-block "^2.2.1"
+    ethereumjs-blockchain "^4.0.2"
     ethereumjs-common "^1.3.2"
     ethereumjs-tx "^2.1.1"
-    ethereumjs-util "^6.1.0"
+    ethereumjs-util "~6.1.0"
     fake-merkle-patricia-tree "^1.0.1"
     functional-red-black-tree "^1.0.1"
     merkle-patricia-tree "^2.3.2"
@@ -203,16 +191,17 @@
     safe-buffer "^5.1.1"
     util.promisify "^1.0.0"
 
-"@nomiclabs/truffle-contract@^4.0.0":
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/truffle-contract/-/truffle-contract-4.0.0.tgz#14a1f6c880eaf6b0ff2b8a208419972c6e7b9b4a"
-  integrity sha512-CTehoNcdZO+PAvOcMlVu3XEdVkxugJLdVui46vrmBF+AJuuiLwMbA+unM0AJtVpwhqcNt5Zb4KyMixqlH7VEEQ==
+"@nomiclabs/truffle-contract@^4.1.2":
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/truffle-contract/-/truffle-contract-4.1.2.tgz#669f87482f3dcf81c5bed37e53bffe339d583374"
+  integrity sha512-6tmEmsv5mdH6W+PvJzczNdAD6DMUQNaPPLZdDmGvS5NZVgQl9W0ikf5s+5VPZjGNYv5akreOda6S7q3Hj/D91w==
   dependencies:
-    "@truffle/blockchain-utils" "^0.0.12"
-    "@truffle/contract-schema" "^3.0.16"
-    "@truffle/error" "^0.0.7"
-    "@truffle/interface-adapter" "^0.2.6"
+    "@truffle/blockchain-utils" "^0.0.17"
+    "@truffle/contract-schema" "^3.0.19"
+    "@truffle/error" "^0.0.8"
+    "@truffle/interface-adapter" "^0.4.1"
     bignumber.js "^7.2.1"
+    ethereum-ens "^0.7.7"
     ethers "^4.0.0-beta.1"
     web3 "1.2.1"
     web3-core-promievent "1.2.1"
@@ -236,16 +225,16 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
-"@truffle/blockchain-utils@^0.0.12":
-  version "0.0.12"
-  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.12.tgz#ad75c7eb7ef65ee954850470745873de59392309"
-  integrity sha512-Khoc0zxksDL3xEHg4j0qpD7+4xyRdRS1Sa5ghwwBCa23I6ofQUmntEoQasZsXo7g6PDkErrJzxOWxTs8gpHQnA==
-
 "@truffle/blockchain-utils@^0.0.13":
   version "0.0.13"
   resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.13.tgz#2b6302586248fe2068ba160be53855c3c923a4e2"
   integrity sha512-58PNluLrJ967BjoBymWmfa+j9tfDa2GpAjEOiKkQav94aVbrBecDwmd3jOTl3gAhJA21AB3UZxri50mKVHopKw==
 
+"@truffle/blockchain-utils@^0.0.17":
+  version "0.0.17"
+  resolved "https://registry.yarnpkg.com/@truffle/blockchain-utils/-/blockchain-utils-0.0.17.tgz#a1ab0ec9a9c3cbc6ada769f606d6b07f8e515120"
+  integrity sha512-SqvkHCn65QbRFlNpA3M91tqcV8dVMSEfOu3lfXrPozKJyTTtFg/A8WMvMMs79/Q8SJlUuJARjsXwQmo5V3V78A==
+
 "@truffle/contract-schema@^3.0.16":
   version "3.0.16"
   resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.0.16.tgz#0de8670b2b0dacba57b43b65911c5376dd00bbdf"
@@ -255,6 +244,15 @@
     crypto-js "^3.1.9-1"
     debug "^4.1.0"
 
+"@truffle/contract-schema@^3.0.19":
+  version "3.0.20"
+  resolved "https://registry.yarnpkg.com/@truffle/contract-schema/-/contract-schema-3.0.20.tgz#487215aad795a4c589a521322b8f0bb505b8a25f"
+  integrity sha512-n4Q+EJWyovUdsd9+XCSzjsHilIXveozIMAJ127yqG2ihAfnqbFdLC98YFSkJiXg4SZZQNKZzZzLDEctz8Ik9Ag==
+  dependencies:
+    ajv "^6.10.0"
+    crypto-js "^3.1.9-1"
+    debug "^4.1.0"
+
 "@truffle/contract@^4.0.36":
   version "4.0.36"
   resolved "https://registry.yarnpkg.com/@truffle/contract/-/contract-4.0.36.tgz#9c5d22034f034866f7566eb1ff6d46af0404090d"
@@ -276,6 +274,11 @@
   resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.7.tgz#e9db39885575647ef08bf624b0c13fe46d41a209"
   integrity sha512-UIfVKsXSXocKnn5+RNklUXNoGd/JVj7V8KmC48TQzmjU33HQI86PX0JDS7SpHMHasI3w9X//1q7Lu7nZtj3Zzg==
 
+"@truffle/error@^0.0.8":
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/@truffle/error/-/error-0.0.8.tgz#dc94ca36393403449d4b7461bf9452c241e53ec1"
+  integrity sha512-x55rtRuNfRO1azmZ30iR0pf0OJ6flQqbax1hJz+Avk1K5fdmOv5cr22s9qFnwTWnS6Bw0jvJEoR0ITsM7cPKtQ==
+
 "@truffle/interface-adapter@^0.2.6":
   version "0.2.6"
   resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.2.6.tgz#41bdf5a1a120e8b76c441fa1a746bdc3c6d3fad2"
@@ -296,6 +299,16 @@
     lodash "^4.17.13"
     web3 "1.2.1"
 
+"@truffle/interface-adapter@^0.4.1":
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/@truffle/interface-adapter/-/interface-adapter-0.4.2.tgz#20343505240d4fdb4b071d30c2c46d894329eb56"
+  integrity sha512-NyHGq8DFWLJvxzz0EQlHw33hwmBIGJMN7R0dPmyVPTtVw3PfHeNJ/D4IRHAhgeV+LMZhwd8iLUpvHl6C6b4wUA==
+  dependencies:
+    bn.js "^4.11.8"
+    ethers "^4.0.32"
+    lodash "^4.17.13"
+    web3 "1.2.1"
+
 "@truffle/provider@^0.1.17":
   version "0.1.17"
   resolved "https://registry.yarnpkg.com/@truffle/provider/-/provider-0.1.17.tgz#9b72a76a7ce18a054eabb3ebd21a55a33dc7d7b6"
@@ -305,7 +318,14 @@
     "@truffle/interface-adapter" "^0.2.6"
     web3 "1.2.1"
 
-"@types/bn.js@^4.11.5":
+"@types/bignumber.js@^5.0.0":
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/@types/bignumber.js/-/bignumber.js-5.0.0.tgz#d9f1a378509f3010a3255e9cc822ad0eeb4ab969"
+  integrity sha512-0DH7aPGCClywOFaxxjE6UwpN2kQYe9LwuDQMv+zYA97j5GkOMo8e66LYT+a8JYU7jfmUFRZLa9KycxHDsKXJCA==
+  dependencies:
+    bignumber.js "*"
+
+"@types/bn.js@^4.11.4", "@types/bn.js@^4.11.5":
   version "4.11.5"
   resolved "https://registry.yarnpkg.com/@types/bn.js/-/bn.js-4.11.5.tgz#40e36197433f78f807524ec623afcf0169ac81dc"
   integrity sha512-AEAZcIZga0JgVMHNtl1CprA/hXX7/wPt79AgR4XqaDt7jyj3QWYw6LPoOiznPtugDmlubUnAahMs2PFxGcQrng==
@@ -356,11 +376,40 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-11.11.6.tgz#df929d1bb2eee5afdda598a41930fe50b43eaa6a"
   integrity sha512-Exw4yUWMBXM3X+8oqzJNRqZSwUAaS4+7NdvHqQuFi/d+synz++xmX3QIf+BFqneW8N31R8Ky+sikfZUXq07ggQ==
 
+"@types/node@^10.12.18":
+  version "10.17.11"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.11.tgz#46ba035fb917b31c948280dbea22ab8838f386a4"
+  integrity sha512-dNd2pp8qTzzNLAs3O8nH3iU9DG9866KHq9L3ISPB7DOGERZN81nW/5/g/KzMJpCU8jrbCiMRBzV9/sCEdRosig==
+
 "@types/node@^10.3.2":
   version "10.14.13"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.14.13.tgz#ac786d623860adf39a3f51d629480aacd6a6eec7"
   integrity sha512-yN/FNNW1UYsRR1wwAoyOwqvDuLDtVXnaJTZ898XIw/Q5cCaeVAlVwvsmXLX5PuiScBYwZsZU4JYSHB3TvfdwvQ==
 
+"@types/node@^12.6.1":
+  version "12.12.21"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.21.tgz#aa44a6363291c7037111c47e4661ad210aded23f"
+  integrity sha512-8sRGhbpU+ck1n0PGAUgVrWrWdjSW2aqNeyC15W88GRsMpSwzv6RJGlLhE7s2RhVSOdyDmxbqlWSeThq4/7xqlA==
+
+"@web3-js/scrypt-shim@^0.1.0":
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/@web3-js/scrypt-shim/-/scrypt-shim-0.1.0.tgz#0bf7529ab6788311d3e07586f7d89107c3bea2cc"
+  integrity sha512-ZtZeWCc/s0nMcdx/+rZwY1EcuRdemOK9ag21ty9UsHkFxsNb/AaoucUz0iPuyGe0Ku+PFuRmWZG7Z7462p9xPw==
+  dependencies:
+    scryptsy "^2.1.0"
+    semver "^6.3.0"
+
+"@web3-js/websocket@^1.0.29":
+  version "1.0.30"
+  resolved "https://registry.yarnpkg.com/@web3-js/websocket/-/websocket-1.0.30.tgz#9ea15b7b582cf3bf3e8bc1f4d3d54c0731a87f87"
+  integrity sha512-fDwrD47MiDrzcJdSeTLF75aCcxVVt8B1N74rA+vh2XCAvFy4tEWJjtnUtj2QG7/zlQ6g9cQ88bZFBxwd9/FmtA==
+  dependencies:
+    debug "^2.2.0"
+    es5-ext "^0.10.50"
+    nan "^2.14.0"
+    typedarray-to-buffer "^3.1.5"
+    yaeti "^0.0.6"
+
 JSONStream@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.5.tgz#3208c1f08d3a4d99261ab64f92302bc15e111ca0"
@@ -1185,6 +1234,11 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+bignumber.js@*:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.0.0.tgz#805880f84a329b5eac6e7cb6f8274b6d82bdf075"
+  integrity sha512-t/OYhhJ2SD+YGBQcjY8GzzDHEk9f3nerxjtfa6tlMXfe7frs/WozhvCNoGvpM0P3bNf3Gq5ZRMlGr5f3r4/N8A==
+
 bignumber.js@^7.2.1:
   version "7.2.1"
   resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
@@ -1258,6 +1312,11 @@ bluebird@^2.9.34:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-2.11.0.tgz#534b9033c022c9579c56ba3b3e5a5caafbb650e1"
   integrity sha1-U0uQM8AiyVecVro7Plpcqvu2UOE=
 
+bluebird@^3.4.7:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
+  integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
+
 bluebird@^3.5.0:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
@@ -1754,16 +1813,16 @@ commander@2.15.1:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.15.1.tgz#df46e867d0fc2aec66a34662b406a9ccafff5b0f"
   integrity sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==
 
+commander@3.0.2, commander@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
+  integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
+
 commander@^2.8.1:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
   integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
 
-commander@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-3.0.2.tgz#6837c3fb677ad9933d1cfba42dd14d5117d6b39e"
-  integrity sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow==
-
 commander@~2.20.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
@@ -2541,7 +2600,7 @@ eth-block-tracker@^3.0.0:
     pify "^2.3.0"
     tape "^4.6.3"
 
-eth-ens-namehash@2.0.8:
+eth-ens-namehash@2.0.8, eth-ens-namehash@^2.0.0:
   version "2.0.8"
   resolved "https://registry.yarnpkg.com/eth-ens-namehash/-/eth-ens-namehash-2.0.8.tgz#229ac46eca86d52e0c991e7cb2aef83ff0f68bcf"
   integrity sha1-IprEbsqG1S4MmR58sq74P/D2i88=
@@ -2628,6 +2687,18 @@ eth-sig-util@^1.4.2:
     ethereumjs-abi "git+https://github.com/ethereumjs/ethereumjs-abi.git"
     ethereumjs-util "^5.1.1"
 
+eth-sig-util@^2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/eth-sig-util/-/eth-sig-util-2.5.2.tgz#f30b94509786fa4fbf71adb3164b1701e15724a8"
+  integrity sha512-xvDojS/4reXsw8Pz/+p/qcM5rVB61FOdPbEtMZ8FQ0YHnPEzPy5F8zAAaZ+zj5ud0SwRLWPfor2Cacjm7EzMIw==
+  dependencies:
+    buffer "^5.2.1"
+    elliptic "^6.4.0"
+    ethereumjs-abi "0.6.5"
+    ethereumjs-util "^5.1.1"
+    tweetnacl "^1.0.0"
+    tweetnacl-util "^0.15.0"
+
 eth-tx-summary@^3.1.2:
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/eth-tx-summary/-/eth-tx-summary-3.2.4.tgz#e10eb95eb57cdfe549bf29f97f1e4f1db679035c"
@@ -2654,6 +2725,13 @@ ethashjs@~0.0.7:
     ethereumjs-util "^4.0.1"
     miller-rabin "^4.0.0"
 
+ethereum-bloom-filters@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/ethereum-bloom-filters/-/ethereum-bloom-filters-1.0.6.tgz#9cdebb3ec20de96ec4a434c6bad6ea5a513037aa"
+  integrity sha512-dE9CGNzgOOsdh7msZirvv8qjHtnHpvBlKe2647kM8v+yeF71IRso55jpojemvHV+jMjr48irPWxMRaHuOWzAFA==
+  dependencies:
+    js-sha3 "^0.8.0"
+
 ethereum-common@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.2.0.tgz#13bf966131cce1eeade62a1b434249bb4cb120ca"
@@ -2664,6 +2742,18 @@ ethereum-common@^0.0.18:
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
   integrity sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=
 
+ethereum-ens@^0.7.7:
+  version "0.7.8"
+  resolved "https://registry.yarnpkg.com/ethereum-ens/-/ethereum-ens-0.7.8.tgz#102874541801507774fef21c9a626fabb1ed0630"
+  integrity sha512-HJBDmF5/abP/IIM6N7rGHmmlQ4yCKIVK4kzT/Mu05+eZn0i5ZlR25LTAE47SVZ7oyTBvOkNJhxhSkWRvjh7srg==
+  dependencies:
+    bluebird "^3.4.7"
+    eth-ens-namehash "^2.0.0"
+    js-sha3 "^0.5.7"
+    pako "^1.0.4"
+    underscore "^1.8.3"
+    web3 "^1.0.0-beta.34"
+
 ethereumjs-abi@0.6.5:
   version "0.6.5"
   resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.5.tgz#5a637ef16ab43473fa72a29ad90871405b3f5241"
@@ -2680,15 +2770,7 @@ ethereumjs-abi@0.6.7:
     bn.js "^4.11.8"
     ethereumjs-util "^6.0.0"
 
-ethereumjs-abi@^0.6.8:
-  version "0.6.8"
-  resolved "https://registry.yarnpkg.com/ethereumjs-abi/-/ethereumjs-abi-0.6.8.tgz#71bc152db099f70e62f108b7cdfca1b362c6fcae"
-  integrity sha512-Tx0r/iXI6r+lRsdvkFDlut0N08jWMnKRZ6Gkq+Nmw75lZe4e6o3EkSnkaBP5NF6+m5PTGAr9JP43N3LyeoglsA==
-  dependencies:
-    bn.js "^4.11.8"
-    ethereumjs-util "^6.0.0"
-
-"ethereumjs-abi@git+https://github.com/ethereumjs/ethereumjs-abi.git":
+ethereumjs-abi@^0.6.8, "ethereumjs-abi@git+https://github.com/ethereumjs/ethereumjs-abi.git":
   version "0.6.8"
   resolved "git+https://github.com/ethereumjs/ethereumjs-abi.git#1cfbb13862f90f0b391d8a699544d5fe4dfb8c7b"
   dependencies:
@@ -2735,6 +2817,17 @@ ethereumjs-block@^1.2.2, ethereumjs-block@^1.4.1, ethereumjs-block@^1.6.0:
     ethereumjs-util "^5.0.0"
     merkle-patricia-tree "^2.1.2"
 
+ethereumjs-block@^2.2.1, ethereumjs-block@~2.2.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/ethereumjs-block/-/ethereumjs-block-2.2.2.tgz#c7654be7e22df489fda206139ecd63e2e9c04965"
+  integrity sha512-2p49ifhek3h2zeg/+da6XpdFR3GlqY3BIEiqxGF8j9aSRIgkb7M1Ky+yULBKJOu8PAZxfhsYA+HxUk2aCQp3vg==
+  dependencies:
+    async "^2.0.1"
+    ethereumjs-common "^1.5.0"
+    ethereumjs-tx "^2.1.1"
+    ethereumjs-util "^5.0.0"
+    merkle-patricia-tree "^2.1.2"
+
 ethereumjs-blockchain@^3.4.0:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-blockchain/-/ethereumjs-blockchain-3.4.0.tgz#92240da6ecd86b3d8d324df69510b381f26c966b"
@@ -2751,15 +2844,15 @@ ethereumjs-blockchain@^3.4.0:
     safe-buffer "^5.1.2"
     semaphore "^1.1.0"
 
-ethereumjs-blockchain@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/ethereumjs-blockchain/-/ethereumjs-blockchain-4.0.1.tgz#db113dfed4fcc5197d223391f10adbc5a1b3536b"
-  integrity sha512-twf2yeyzeBXzCgclLyF9wZEyCKbCweM2KZdZkTsnlqGgaffgnSgY44+z+9BHUIVoWY+gxMj+XsTlTgVcbha8rg==
+ethereumjs-blockchain@^4.0.2:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/ethereumjs-blockchain/-/ethereumjs-blockchain-4.0.3.tgz#e013034633a30ad2006728e8e2b21956b267b773"
+  integrity sha512-0nJWbyA+Gu0ZKZr/cywMtB/77aS/4lOVsIKbgUN2sFQYscXO5rPbUfrEe7G2Zhjp86/a0VqLllemDSTHvx3vZA==
   dependencies:
     async "^2.6.1"
     ethashjs "~0.0.7"
-    ethereumjs-block "~2.2.0"
-    ethereumjs-common "^1.1.0"
+    ethereumjs-block "~2.2.2"
+    ethereumjs-common "^1.5.0"
     ethereumjs-util "~6.1.0"
     flow-stoplight "^1.0.0"
     level-mem "^3.0.1"
@@ -2772,6 +2865,11 @@ ethereumjs-common@^1.1.0, ethereumjs-common@^1.3.1, ethereumjs-common@^1.3.2:
   resolved "https://registry.yarnpkg.com/ethereumjs-common/-/ethereumjs-common-1.3.2.tgz#5a20831e52199a31ff4b68ef361e34c05c976ed0"
   integrity sha512-GkltYRIqBLzaZLmF/K3E+g9lZ4O4FL+TtpisAlD3N+UVlR+mrtoG+TvxavqVa6PwOY4nKIEMe5pl6MrTio3Lww==
 
+ethereumjs-common@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-common/-/ethereumjs-common-1.5.0.tgz#d3e82fc7c47c0cef95047f431a99485abc9bb1cd"
+  integrity sha512-SZOjgK1356hIY7MRj3/ma5qtfr/4B5BL+G4rP/XSMYr2z1H5el4RX5GReYCKmQmYI/nSBmRnwrZ17IfHuG0viQ==
+
 ethereumjs-tx@1.3.7, ethereumjs-tx@^1.1.1, ethereumjs-tx@^1.2.0, ethereumjs-tx@^1.2.2, ethereumjs-tx@^1.3.3:
   version "1.3.7"
   resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz#88323a2d875b10549b8347e09f4862b546f3d89a"
@@ -4317,7 +4415,7 @@ js-sha3@0.5.7, js-sha3@^0.5.7:
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
   integrity sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=
 
-js-sha3@0.8.0:
+js-sha3@0.8.0, js-sha3@^0.8.0:
   version "0.8.0"
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
   integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
@@ -5709,6 +5807,11 @@ pacote@^9.5.8:
     unique-filename "^1.1.1"
     which "^1.3.1"
 
+pako@^1.0.4:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.10.tgz#4328badb5086a426aa90f541977d4955da5c9732"
+  integrity sha512-0DTvPVU3ed8+HNXOu5Bs+o//Mbdj9VNQMUOe9oKCwh8l0GNwpTDMKCWbRjgtD291AWnkAgkqA/LOnQS8AmS1tw==
+
 parallel-transform@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/parallel-transform/-/parallel-transform-1.2.0.tgz#9049ca37d6cb2182c3b1d2c720be94d14a5814fc"
@@ -6091,7 +6194,7 @@ query-string@^5.0.1:
     object-assign "^4.1.0"
     strict-uri-encode "^1.0.0"
 
-randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5, randombytes@^2.0.6:
+randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5, randombytes@^2.0.6, randombytes@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
   integrity sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==
@@ -6497,7 +6600,7 @@ scrypt@^6.0.2:
   dependencies:
     nan "^2.0.8"
 
-scryptsy@2.1.0:
+scryptsy@2.1.0, scryptsy@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/scryptsy/-/scryptsy-2.1.0.tgz#8d1e8d0c025b58fdd25b6fa9a0dc905ee8faa790"
   integrity sha512-1CdSqHQowJBnMAFyPEBRfqag/YP9OF394FV+4YREIJX4ljD7OxvQRDayyoyyCk+senRjSkP6VnUNQmVQqB6g7w==
@@ -6733,19 +6836,19 @@ socks@~2.3.2:
     ip "^1.1.5"
     smart-buffer "4.0.2"
 
-solc@0.5.11:
-  version "0.5.11"
-  resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.11.tgz#5905261191d01befd78ef52610a006820022ee8f"
-  integrity sha512-F8avCCVDYnJzvIm/ITsU11GFNdFI4HaNsME+zw9lK5a3ojD3LZN2Op2cIfWg7w1HeRYRiMOU1dM77saX6jUIKw==
+solc@0.5.15:
+  version "0.5.15"
+  resolved "https://registry.yarnpkg.com/solc/-/solc-0.5.15.tgz#f674ce93d4d04a86b65a4393657edf03b2f26028"
+  integrity sha512-uI+7XtBu/0CXRc8IMjzxbh0haLwaBF32VxAkkks06zEk+mVcsQbHdjvojXX6zQYtZVuXdVYPVccoIjEhvvqKnQ==
   dependencies:
     command-exists "^1.2.8"
+    commander "3.0.2"
     fs-extra "^0.30.0"
     js-sha3 "0.8.0"
     memorystream "^0.3.1"
     require-from-string "^2.0.0"
     semver "^5.5.0"
     tmp "0.0.33"
-    yargs "^13.2.0"
 
 solc@^0.5.10:
   version "0.5.10"
@@ -7503,7 +7606,7 @@ underscore@1.8.3:
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
   integrity sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI=
 
-underscore@1.9.1:
+underscore@1.9.1, underscore@^1.8.3:
   version "1.9.1"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
   integrity sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==
@@ -7678,6 +7781,16 @@ web3-bzz@1.2.1:
     swarm-js "0.1.39"
     underscore "1.9.1"
 
+web3-bzz@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-bzz/-/web3-bzz-1.2.4.tgz#a4adb7a8cba3d260de649bdb1f14ed359bfb3821"
+  integrity sha512-MqhAo/+0iQSMBtt3/QI1rU83uvF08sYq8r25+OUZ+4VtihnYsmkkca+rdU0QbRyrXY2/yGIpI46PFdh0khD53A==
+  dependencies:
+    "@types/node" "^10.12.18"
+    got "9.6.0"
+    swarm-js "0.1.39"
+    underscore "1.9.1"
+
 web3-core-helpers@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.35.tgz#d681d218a0c6e3283ee1f99a078ab9d3eef037f1"
@@ -7696,6 +7809,15 @@ web3-core-helpers@1.2.1:
     web3-eth-iban "1.2.1"
     web3-utils "1.2.1"
 
+web3-core-helpers@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-core-helpers/-/web3-core-helpers-1.2.4.tgz#ffd425861f4d66b3f38df032afdb39ea0971fc0f"
+  integrity sha512-U7wbsK8IbZvF3B7S+QMSNP0tni/6VipnJkB0tZVEpHEIV2WWeBHYmZDnULWcsS/x/jn9yKhJlXIxWGsEAMkjiw==
+  dependencies:
+    underscore "1.9.1"
+    web3-eth-iban "1.2.4"
+    web3-utils "1.2.4"
+
 web3-core-method@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.0.0-beta.35.tgz#fc10e2d546cf4886038e6130bd5726b0952a4e5f"
@@ -7718,6 +7840,17 @@ web3-core-method@1.2.1:
     web3-core-subscriptions "1.2.1"
     web3-utils "1.2.1"
 
+web3-core-method@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-core-method/-/web3-core-method-1.2.4.tgz#a0fbc50b8ff5fd214021435cc2c6d1e115807aed"
+  integrity sha512-8p9kpL7di2qOVPWgcM08kb+yKom0rxRCMv6m/K+H+yLSxev9TgMbCgMSbPWAHlyiF3SJHw7APFKahK5Z+8XT5A==
+  dependencies:
+    underscore "1.9.1"
+    web3-core-helpers "1.2.4"
+    web3-core-promievent "1.2.4"
+    web3-core-subscriptions "1.2.4"
+    web3-utils "1.2.4"
+
 web3-core-promievent@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.35.tgz#4f1b24737520fa423fee3afee110fbe82bcb8691"
@@ -7734,6 +7867,14 @@ web3-core-promievent@1.2.1:
     any-promise "1.3.0"
     eventemitter3 "3.1.2"
 
+web3-core-promievent@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-core-promievent/-/web3-core-promievent-1.2.4.tgz#75e5c0f2940028722cdd21ba503ebd65272df6cb"
+  integrity sha512-gEUlm27DewUsfUgC3T8AxkKi8Ecx+e+ZCaunB7X4Qk3i9F4C+5PSMGguolrShZ7Zb6717k79Y86f3A00O0VAZw==
+  dependencies:
+    any-promise "1.3.0"
+    eventemitter3 "3.1.2"
+
 web3-core-requestmanager@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.35.tgz#2b77cbf6303720ad68899b39fa7f584dc03dbc8f"
@@ -7756,6 +7897,17 @@ web3-core-requestmanager@1.2.1:
     web3-providers-ipc "1.2.1"
     web3-providers-ws "1.2.1"
 
+web3-core-requestmanager@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-core-requestmanager/-/web3-core-requestmanager-1.2.4.tgz#0a7020a23fb91c6913c611dfd3d8c398d1e4b4a8"
+  integrity sha512-eZJDjyNTDtmSmzd3S488nR/SMJtNnn/GuwxnMh3AzYCqG3ZMfOylqTad2eYJPvc2PM5/Gj1wAMQcRpwOjjLuPg==
+  dependencies:
+    underscore "1.9.1"
+    web3-core-helpers "1.2.4"
+    web3-providers-http "1.2.4"
+    web3-providers-ipc "1.2.4"
+    web3-providers-ws "1.2.4"
+
 web3-core-subscriptions@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.35.tgz#c1b76a2ad3c6e80f5d40b8ba560f01e0f4628758"
@@ -7774,6 +7926,15 @@ web3-core-subscriptions@1.2.1:
     underscore "1.9.1"
     web3-core-helpers "1.2.1"
 
+web3-core-subscriptions@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.2.4.tgz#0dc095b5cfd82baa527a39796e3515a846b21b99"
+  integrity sha512-3D607J2M8ymY9V+/WZq4MLlBulwCkwEjjC2U+cXqgVO1rCyVqbxZNCmHyNYHjDDCxSEbks9Ju5xqJxDSxnyXEw==
+  dependencies:
+    eventemitter3 "3.1.2"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.4"
+
 web3-core@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.0.0-beta.35.tgz#0c44d3c50d23219b0b1531d145607a9bc7cd4b4f"
@@ -7794,6 +7955,19 @@ web3-core@1.2.1:
     web3-core-requestmanager "1.2.1"
     web3-utils "1.2.1"
 
+web3-core@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-core/-/web3-core-1.2.4.tgz#2df13b978dcfc59c2abaa887d27f88f21ad9a9d6"
+  integrity sha512-CHc27sMuET2cs1IKrkz7xzmTdMfZpYswe7f0HcuyneTwS1yTlTnHyqjAaTy0ZygAb/x4iaVox+Gvr4oSAqSI+A==
+  dependencies:
+    "@types/bignumber.js" "^5.0.0"
+    "@types/bn.js" "^4.11.4"
+    "@types/node" "^12.6.1"
+    web3-core-helpers "1.2.4"
+    web3-core-method "1.2.4"
+    web3-core-requestmanager "1.2.4"
+    web3-utils "1.2.4"
+
 web3-eth-abi@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.35.tgz#2eb9c1c7c7233db04010defcb192293e0db250e6"
@@ -7813,6 +7987,15 @@ web3-eth-abi@1.2.1:
     underscore "1.9.1"
     web3-utils "1.2.1"
 
+web3-eth-abi@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-abi/-/web3-eth-abi-1.2.4.tgz#5b73e5ef70b03999227066d5d1310b168845e2b8"
+  integrity sha512-8eLIY4xZKoU3DSVu1pORluAw9Ru0/v4CGdw5so31nn+7fR8zgHMgwbFe0aOqWQ5VU42PzMMXeIJwt4AEi2buFg==
+  dependencies:
+    ethers "4.0.0-beta.3"
+    underscore "1.9.1"
+    web3-utils "1.2.4"
+
 web3-eth-accounts@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.35.tgz#7d0e5a69f510dc93874471599eb7abfa9ddf3e63"
@@ -7846,6 +8029,24 @@ web3-eth-accounts@1.2.1:
     web3-core-method "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-accounts@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-accounts/-/web3-eth-accounts-1.2.4.tgz#ada6edc49542354328a85cafab067acd7f88c288"
+  integrity sha512-04LzT/UtWmRFmi4hHRewP5Zz43fWhuHiK5XimP86sUQodk/ByOkXQ3RoXyGXFMNoRxdcAeRNxSfA2DpIBc9xUw==
+  dependencies:
+    "@web3-js/scrypt-shim" "^0.1.0"
+    any-promise "1.3.0"
+    crypto-browserify "3.12.0"
+    eth-lib "0.2.7"
+    ethereumjs-common "^1.3.2"
+    ethereumjs-tx "^2.1.1"
+    underscore "1.9.1"
+    uuid "3.3.2"
+    web3-core "1.2.4"
+    web3-core-helpers "1.2.4"
+    web3-core-method "1.2.4"
+    web3-utils "1.2.4"
+
 web3-eth-contract@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.35.tgz#5276242d8a3358d9f1ce92b71575c74f9015935c"
@@ -7874,6 +8075,21 @@ web3-eth-contract@1.2.1:
     web3-eth-abi "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-contract@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-contract/-/web3-eth-contract-1.2.4.tgz#68ef7cc633232779b0a2c506a810fbe903575886"
+  integrity sha512-b/9zC0qjVetEYnzRA1oZ8gF1OSSUkwSYi5LGr4GeckLkzXP7osEnp9lkO/AQcE4GpG+l+STnKPnASXJGZPgBRQ==
+  dependencies:
+    "@types/bn.js" "^4.11.4"
+    underscore "1.9.1"
+    web3-core "1.2.4"
+    web3-core-helpers "1.2.4"
+    web3-core-method "1.2.4"
+    web3-core-promievent "1.2.4"
+    web3-core-subscriptions "1.2.4"
+    web3-eth-abi "1.2.4"
+    web3-utils "1.2.4"
+
 web3-eth-ens@1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.2.1.tgz#a0e52eee68c42a8b9865ceb04e5fb022c2d971d5"
@@ -7888,6 +8104,20 @@ web3-eth-ens@1.2.1:
     web3-eth-contract "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-ens@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-ens/-/web3-eth-ens-1.2.4.tgz#b95b3aa99fb1e35c802b9e02a44c3046a3fa065e"
+  integrity sha512-g8+JxnZlhdsCzCS38Zm6R/ngXhXzvc3h7bXlxgKU4coTzLLoMpgOAEz71GxyIJinWTFbLXk/WjNY0dazi9NwVw==
+  dependencies:
+    eth-ens-namehash "2.0.8"
+    underscore "1.9.1"
+    web3-core "1.2.4"
+    web3-core-helpers "1.2.4"
+    web3-core-promievent "1.2.4"
+    web3-eth-abi "1.2.4"
+    web3-eth-contract "1.2.4"
+    web3-utils "1.2.4"
+
 web3-eth-iban@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.35.tgz#5aa10327a9abb26bcfc4ba79d7bad18a002b332c"
@@ -7904,6 +8134,14 @@ web3-eth-iban@1.2.1:
     bn.js "4.11.8"
     web3-utils "1.2.1"
 
+web3-eth-iban@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-iban/-/web3-eth-iban-1.2.4.tgz#8e0550fd3fd8e47a39357d87fe27dee9483ee476"
+  integrity sha512-D9HIyctru/FLRpXakRwmwdjb5bWU2O6UE/3AXvRm6DCOf2e+7Ve11qQrPtaubHfpdW3KWjDKvlxV9iaFv/oTMQ==
+  dependencies:
+    bn.js "4.11.8"
+    web3-utils "1.2.4"
+
 web3-eth-personal@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.35.tgz#ecac95b7a53d04a567447062d5cae5f49879e89f"
@@ -7926,6 +8164,18 @@ web3-eth-personal@1.2.1:
     web3-net "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth-personal@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-eth-personal/-/web3-eth-personal-1.2.4.tgz#3224cca6851c96347d9799b12c1b67b2a6eb232b"
+  integrity sha512-5Russ7ZECwHaZXcN3DLuLS7390Vzgrzepl4D87SD6Sn1DHsCZtvfdPIYwoTmKNp69LG3mORl7U23Ga5YxqkICw==
+  dependencies:
+    "@types/node" "^12.6.1"
+    web3-core "1.2.4"
+    web3-core-helpers "1.2.4"
+    web3-core-method "1.2.4"
+    web3-net "1.2.4"
+    web3-utils "1.2.4"
+
 web3-eth@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.0.0-beta.35.tgz#c52c804afb95e6624b6f5e72a9af90fbf5005b68"
@@ -7963,6 +8213,25 @@ web3-eth@1.2.1:
     web3-net "1.2.1"
     web3-utils "1.2.1"
 
+web3-eth@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-eth/-/web3-eth-1.2.4.tgz#24c3b1f1ac79351bbfb808b2ab5c585fa57cdd00"
+  integrity sha512-+j+kbfmZsbc3+KJpvHM16j1xRFHe2jBAniMo1BHKc3lho6A8Sn9Buyut6odubguX2AxoRArCdIDCkT9hjUERpA==
+  dependencies:
+    underscore "1.9.1"
+    web3-core "1.2.4"
+    web3-core-helpers "1.2.4"
+    web3-core-method "1.2.4"
+    web3-core-subscriptions "1.2.4"
+    web3-eth-abi "1.2.4"
+    web3-eth-accounts "1.2.4"
+    web3-eth-contract "1.2.4"
+    web3-eth-ens "1.2.4"
+    web3-eth-iban "1.2.4"
+    web3-eth-personal "1.2.4"
+    web3-net "1.2.4"
+    web3-utils "1.2.4"
+
 web3-net@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.0.0-beta.35.tgz#5c6688e0dea71fcd910ee9dc5437b94b7f6b3354"
@@ -7981,6 +8250,15 @@ web3-net@1.2.1:
     web3-core-method "1.2.1"
     web3-utils "1.2.1"
 
+web3-net@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-net/-/web3-net-1.2.4.tgz#1d246406d3aaffbf39c030e4e98bce0ca5f25458"
+  integrity sha512-wKOsqhyXWPSYTGbp7ofVvni17yfRptpqoUdp3SC8RAhDmGkX6irsiT9pON79m6b3HUHfLoBilFQyt/fTUZOf7A==
+  dependencies:
+    web3-core "1.2.4"
+    web3-core-method "1.2.4"
+    web3-utils "1.2.4"
+
 web3-provider-engine@14.2.0:
   version "14.2.0"
   resolved "https://registry.yarnpkg.com/web3-provider-engine/-/web3-provider-engine-14.2.0.tgz#2efec157b2c429c5c674c079aea96b0a06de8b3d"
@@ -8023,6 +8301,14 @@ web3-providers-http@1.2.1:
     web3-core-helpers "1.2.1"
     xhr2-cookies "1.1.0"
 
+web3-providers-http@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-providers-http/-/web3-providers-http-1.2.4.tgz#514fcad71ae77832c2c15574296282fbbc5f4a67"
+  integrity sha512-dzVCkRrR/cqlIrcrWNiPt9gyt0AZTE0J+MfAu9rR6CyIgtnm1wFUVVGaxYRxuTGQRO4Dlo49gtoGwaGcyxqiTw==
+  dependencies:
+    web3-core-helpers "1.2.4"
+    xhr2-cookies "1.1.0"
+
 web3-providers-ipc@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.35.tgz#031afeb10fade2ebb0ef2fb82f5e58c04be842d9"
@@ -8041,6 +8327,15 @@ web3-providers-ipc@1.2.1:
     underscore "1.9.1"
     web3-core-helpers "1.2.1"
 
+web3-providers-ipc@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-providers-ipc/-/web3-providers-ipc-1.2.4.tgz#9d6659f8d44943fb369b739f48df09092be459bd"
+  integrity sha512-8J3Dguffin51gckTaNrO3oMBo7g+j0UNk6hXmdmQMMNEtrYqw4ctT6t06YOf9GgtOMjSAc1YEh3LPrvgIsR7og==
+  dependencies:
+    oboe "2.1.4"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.4"
+
 web3-providers-ws@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.35.tgz#5d38603fd450243a26aae0ff7f680644e77fa240"
@@ -8059,6 +8354,15 @@ web3-providers-ws@1.2.1:
     web3-core-helpers "1.2.1"
     websocket "github:web3-js/WebSocket-Node#polyfill/globalThis"
 
+web3-providers-ws@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-providers-ws/-/web3-providers-ws-1.2.4.tgz#099ee271ee03f6ea4f5df9cfe969e83f4ce0e36f"
+  integrity sha512-F/vQpDzeK+++oeeNROl1IVTufFCwCR2hpWe5yRXN0ApLwHqXrMI7UwQNdJ9iyibcWjJf/ECbauEEQ8CHgE+MYQ==
+  dependencies:
+    "@web3-js/websocket" "^1.0.29"
+    underscore "1.9.1"
+    web3-core-helpers "1.2.4"
+
 web3-shh@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.0.0-beta.35.tgz#7e4a585f8beee0c1927390937c6537748a5d1a58"
@@ -8079,6 +8383,16 @@ web3-shh@1.2.1:
     web3-core-subscriptions "1.2.1"
     web3-net "1.2.1"
 
+web3-shh@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-shh/-/web3-shh-1.2.4.tgz#5c8ff5ab624a3b14f08af0d24d2b16c10e9f70dd"
+  integrity sha512-z+9SCw0dE+69Z/Hv8809XDbLj7lTfEv9Sgu8eKEIdGntZf4v7ewj5rzN5bZZSz8aCvfK7Y6ovz1PBAu4QzS4IQ==
+  dependencies:
+    web3-core "1.2.4"
+    web3-core-method "1.2.4"
+    web3-core-subscriptions "1.2.4"
+    web3-net "1.2.4"
+
 web3-utils@1.0.0-beta.35:
   version "1.0.0-beta.35"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.35.tgz#ced9e1df47c65581c441c5f2af76b05a37a273d7"
@@ -8105,6 +8419,20 @@ web3-utils@1.2.1:
     underscore "1.9.1"
     utf8 "3.0.0"
 
+web3-utils@1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.4.tgz#96832a39a66b05bf8862a5b0bdad2799d709d951"
+  integrity sha512-+S86Ip+jqfIPQWvw2N/xBQq5JNqCO0dyvukGdJm8fEWHZbckT4WxSpHbx+9KLEWY4H4x9pUwnoRkK87pYyHfgQ==
+  dependencies:
+    bn.js "4.11.8"
+    eth-lib "0.2.7"
+    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@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.2.0.tgz#1f11b05d173b757d3f5ba32cb90b375a487d3bf0"
@@ -8144,6 +8472,20 @@ web3@1.2.1:
     web3-shh "1.2.1"
     web3-utils "1.2.1"
 
+web3@^1.0.0-beta.34:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/web3/-/web3-1.2.4.tgz#6e7ab799eefc9b4648c2dab63003f704a1d5e7d9"
+  integrity sha512-xPXGe+w0x0t88Wj+s/dmAdASr3O9wmA9mpZRtixGZxmBexAF0MjfqYM+MS4tVl5s11hMTN3AZb8cDD4VLfC57A==
+  dependencies:
+    "@types/node" "^12.6.1"
+    web3-bzz "1.2.4"
+    web3-core "1.2.4"
+    web3-eth "1.2.4"
+    web3-eth-personal "1.2.4"
+    web3-net "1.2.4"
+    web3-shh "1.2.4"
+    web3-utils "1.2.4"
+
 websocket@1.0.29, "websocket@github:web3-js/WebSocket-Node#polyfill/globalThis":
   version "1.0.29"
   resolved "https://codeload.github.com/web3-js/WebSocket-Node/tar.gz/b134a75541b5db59668df81c03e926cd5f325077"
@@ -8385,7 +8727,7 @@ yargs@^11.0.0:
     y18n "^3.2.1"
     yargs-parser "^9.0.2"
 
-yargs@^13.2.0, yargs@^13.2.2:
+yargs@^13.2.2:
   version "13.3.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.0.tgz#4c657a55e07e5f2cf947f8a366567c04a0dedc83"
   integrity sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==