diff --git a/args.js b/args.js
index f65cc4989..3ec1c1307 100644
--- a/args.js
+++ b/args.js
@@ -71,7 +71,7 @@ module.exports = exports = function(yargs, version, isDocker) {
       alias: 'hardfork',
       type: 'string',
       describe: "Allows users to specify which hardfork should be used. Supported hardforks are `byzantium`, `constantinople`, `petersburg` (default), and `istanbul` (beta).",
-      default: "petersburg"
+      default: "istanbul"
     })
     .option('f', {
       group: 'Chain:',
diff --git a/package-lock.json b/package-lock.json
index 81201569c..fceb6a827 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1997,9 +1997,9 @@
       }
     },
     "ganache-core": {
-      "version": "2.9.1-beta.0",
-      "resolved": "https://registry.npmjs.org/ganache-core/-/ganache-core-2.9.1-beta.0.tgz",
-      "integrity": "sha512-6quGQO8CAmMNjJx2wAxMocQAlJyyBcpdEFEPC81PjZhp5ywhfLz+j8R5x0DqdivbYEiBAmM+tVFWyKBJV+xKXA==",
+      "version": "2.9.1",
+      "resolved": "https://registry.npmjs.org/ganache-core/-/ganache-core-2.9.1.tgz",
+      "integrity": "sha512-AE6Z9mZEy8Z9NBjHBEAzTGX6OMhRypp03LRKBJUqV4dSVDD6L7iqUbZvjILBwSqRyZV4v+ASxI9Hm4MBWp2uwA==",
       "dev": true,
       "requires": {
         "abstract-leveldown": "3.0.0",
@@ -2012,10 +2012,11 @@
         "eth-sig-util": "2.3.0",
         "ethereumjs-abi": "0.6.7",
         "ethereumjs-account": "3.0.0",
-        "ethereumjs-block": "2.2.0",
-        "ethereumjs-tx": "1.3.7",
+        "ethereumjs-block": "2.2.1",
+        "ethereumjs-common": "1.4.0",
+        "ethereumjs-tx": "2.1.1",
         "ethereumjs-util": "6.1.0",
-        "ethereumjs-vm": "4.1.0",
+        "ethereumjs-vm": "4.1.1",
         "ethereumjs-wallet": "0.6.3",
         "heap": "0.2.6",
         "level-sublevel": "6.6.4",
@@ -2025,7 +2026,7 @@
         "seedrandom": "3.0.1",
         "source-map-support": "0.5.12",
         "tmp": "0.1.0",
-        "web3": "1.2.1",
+        "web3": "1.2.4",
         "web3-provider-engine": "14.2.1",
         "websocket": "1.0.29"
       },
@@ -2234,6 +2235,16 @@
             "defer-to-connect": "^1.0.1"
           }
         },
+        "@types/bignumber.js": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/@types/bignumber.js/-/bignumber.js-5.0.0.tgz",
+          "integrity": "sha512-0DH7aPGCClywOFaxxjE6UwpN2kQYe9LwuDQMv+zYA97j5GkOMo8e66LYT+a8JYU7jfmUFRZLa9KycxHDsKXJCA==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "bignumber.js": "*"
+          }
+        },
         "@types/bn.js": {
           "version": "4.11.5",
           "resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.5.tgz",
@@ -2261,6 +2272,73 @@
             "@types/underscore": "*"
           }
         },
+        "@web3-js/scrypt-shim": {
+          "version": "0.1.0",
+          "resolved": "https://registry.npmjs.org/@web3-js/scrypt-shim/-/scrypt-shim-0.1.0.tgz",
+          "integrity": "sha512-ZtZeWCc/s0nMcdx/+rZwY1EcuRdemOK9ag21ty9UsHkFxsNb/AaoucUz0iPuyGe0Ku+PFuRmWZG7Z7462p9xPw==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "scryptsy": "^2.1.0",
+            "semver": "^6.3.0"
+          },
+          "dependencies": {
+            "scryptsy": {
+              "version": "2.1.0",
+              "resolved": "https://registry.npmjs.org/scryptsy/-/scryptsy-2.1.0.tgz",
+              "integrity": "sha512-1CdSqHQowJBnMAFyPEBRfqag/YP9OF394FV+4YREIJX4ljD7OxvQRDayyoyyCk+senRjSkP6VnUNQmVQqB6g7w==",
+              "dev": true,
+              "optional": true
+            },
+            "semver": {
+              "version": "6.3.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+              "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
+        "@web3-js/websocket": {
+          "version": "1.0.30",
+          "resolved": "https://registry.npmjs.org/@web3-js/websocket/-/websocket-1.0.30.tgz",
+          "integrity": "sha512-fDwrD47MiDrzcJdSeTLF75aCcxVVt8B1N74rA+vh2XCAvFy4tEWJjtnUtj2QG7/zlQ6g9cQ88bZFBxwd9/FmtA==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "debug": "^2.2.0",
+            "es5-ext": "^0.10.50",
+            "nan": "^2.14.0",
+            "typedarray-to-buffer": "^3.1.5",
+            "yaeti": "^0.0.6"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "2.6.9",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+              "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+              "dev": true,
+              "optional": true,
+              "requires": {
+                "ms": "2.0.0"
+              }
+            },
+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+              "dev": true,
+              "optional": true
+            },
+            "nan": {
+              "version": "2.14.0",
+              "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+              "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
         "@webassemblyjs/ast": {
           "version": "1.5.13",
           "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.5.13.tgz",
@@ -3666,6 +3744,13 @@
           "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
           "integrity": "sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ=="
         },
+        "bignumber.js": {
+          "version": "9.0.0",
+          "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.0.tgz",
+          "integrity": "sha512-t/OYhhJ2SD+YGBQcjY8GzzDHEk9f3nerxjtfa6tlMXfe7frs/WozhvCNoGvpM0P3bNf3Gq5ZRMlGr5f3r4/N8A==",
+          "dev": true,
+          "optional": true
+        },
         "binary-extensions": {
           "version": "1.13.1",
           "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.1.tgz",
@@ -3696,7 +3781,6 @@
           "version": "1.1.5",
           "resolved": "https://registry.npmjs.org/bip66/-/bip66-1.1.5.tgz",
           "integrity": "sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=",
-          "dev": true,
           "requires": {
             "safe-buffer": "^5.0.1"
           }
@@ -4607,9 +4691,9 @@
           "integrity": "sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A=="
         },
         "core-js-pure": {
-          "version": "3.2.1",
-          "resolved": "https://registry.npmjs.org/core-js-pure/-/core-js-pure-3.2.1.tgz",
-          "integrity": "sha512-+qpvnYrsi/JDeQTArB7NnNc2VoMYLE1YSkziCDHgjexC2KH7OFiGhLUd3urxfyWmNjSwSW7NYXPWHMhuIJx9Ow==",
+          "version": "3.4.7",
+          "resolved": "https://registry.npmjs.org/core-js-pure/-/core-js-pure-3.4.7.tgz",
+          "integrity": "sha512-Am3uRS8WCdTFA3lP7LtKR0PxgqYzjAMGKXaZKSNSC/8sqU0Wfq8R/YzoRs2rqtOVEunfgH+0q3O0BKOg0AvjPw==",
           "dev": true
         },
         "core-util-is": {
@@ -5010,9 +5094,9 @@
           "dev": true
         },
         "defer-to-connect": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/defer-to-connect/-/defer-to-connect-1.0.2.tgz",
-          "integrity": "sha512-k09hcQcTDY+cwgiwa6PYKLm3jlagNzQ+RSvhjzESOGOx+MNOuXkxTfEvPrO1IOQ81tArCFYQgi631clB70RpQw==",
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/defer-to-connect/-/defer-to-connect-1.1.1.tgz",
+          "integrity": "sha512-J7thop4u3mRTkYRQ+Vpfwy2G5Ehoy82I14+14W4YMDLKdWloI9gSzRbV30s/NckQGVJtPkWNcW4oMAUigTdqiQ==",
           "dev": true,
           "optional": true
         },
@@ -5197,7 +5281,6 @@
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/drbg.js/-/drbg.js-1.0.1.tgz",
           "integrity": "sha1-Pja2xCs3BDgjzbwzLVjzHiRFSAs=",
-          "dev": true,
           "requires": {
             "browserify-aes": "^1.0.6",
             "create-hash": "^1.1.2",
@@ -5821,6 +5904,16 @@
             "tape": "^4.6.3"
           },
           "dependencies": {
+            "ethereumjs-tx": {
+              "version": "1.3.7",
+              "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
+              "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+              "dev": true,
+              "requires": {
+                "ethereum-common": "^0.0.18",
+                "ethereumjs-util": "^5.0.0"
+              }
+            },
             "ethereumjs-util": {
               "version": "5.2.0",
               "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
@@ -5928,6 +6021,24 @@
                 "merkle-patricia-tree": "^2.1.2"
               }
             },
+            "ethereumjs-tx": {
+              "version": "1.3.7",
+              "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
+              "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+              "dev": true,
+              "requires": {
+                "ethereum-common": "^0.0.18",
+                "ethereumjs-util": "^5.0.0"
+              },
+              "dependencies": {
+                "ethereum-common": {
+                  "version": "0.0.18",
+                  "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
+                  "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=",
+                  "dev": true
+                }
+              }
+            },
             "ethereumjs-util": {
               "version": "5.2.0",
               "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
@@ -6012,15 +6123,14 @@
           }
         },
         "eth-lib": {
-          "version": "0.1.27",
-          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.1.27.tgz",
-          "integrity": "sha512-B8czsfkJYzn2UIEMwjc7Mbj+Cy72V+/OXH/tb44LV8jhrjizQJJ325xMOMyk3+ETa6r6oi0jsUY14+om8mQMWA==",
+          "version": "0.1.29",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.1.29.tgz",
+          "integrity": "sha512-bfttrr3/7gG4E02HoWTDUcDDslN003OlOoBxk9virpAZQ1ja/jDgwkWB8QfJF7ojuEowrqy+lzp9VcJG7/k5bQ==",
           "dev": true,
           "optional": true,
           "requires": {
             "bn.js": "^4.11.6",
             "elliptic": "^6.4.0",
-            "keccakjs": "^0.2.1",
             "nano-json-stream-parser": "^0.1.2",
             "servify": "^0.1.12",
             "ws": "^3.0.0",
@@ -6141,6 +6251,24 @@
                 "merkle-patricia-tree": "^2.1.2"
               }
             },
+            "ethereumjs-tx": {
+              "version": "1.3.7",
+              "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
+              "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+              "dev": true,
+              "requires": {
+                "ethereum-common": "^0.0.18",
+                "ethereumjs-util": "^5.0.0"
+              },
+              "dependencies": {
+                "ethereum-common": {
+                  "version": "0.0.18",
+                  "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
+                  "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=",
+                  "dev": true
+                }
+              }
+            },
             "ethereumjs-util": {
               "version": "5.2.0",
               "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
@@ -6257,6 +6385,25 @@
             }
           }
         },
+        "ethereum-bloom-filters": {
+          "version": "1.0.6",
+          "resolved": "https://registry.npmjs.org/ethereum-bloom-filters/-/ethereum-bloom-filters-1.0.6.tgz",
+          "integrity": "sha512-dE9CGNzgOOsdh7msZirvv8qjHtnHpvBlKe2647kM8v+yeF71IRso55jpojemvHV+jMjr48irPWxMRaHuOWzAFA==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "js-sha3": "^0.8.0"
+          },
+          "dependencies": {
+            "js-sha3": {
+              "version": "0.8.0",
+              "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+              "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==",
+              "dev": true,
+              "optional": true
+            }
+          }
+        },
         "ethereum-common": {
           "version": "0.0.18",
           "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
@@ -6285,14 +6432,14 @@
           }
         },
         "ethereumjs-block": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-2.2.0.tgz",
-          "integrity": "sha512-Ye+uG/L2wrp364Zihdlr/GfC3ft+zG8PdHcRtsBFNNH1CkOhxOwdB8friBU85n89uRZ9eIMAywCq0F4CwT1wAw==",
+          "version": "2.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-2.2.1.tgz",
+          "integrity": "sha512-ze8I1844m5oKZL7hiHuezRcPzqdi4Iv0ssqQyuRaJ9Je0/YCYfXobJHvNLnex2ETgs5JypicdtLYrCNWdgcLvg==",
           "dev": true,
           "requires": {
             "async": "^2.0.1",
             "ethereumjs-common": "^1.1.0",
-            "ethereumjs-tx": "^1.2.2",
+            "ethereumjs-tx": "^2.1.1",
             "ethereumjs-util": "^5.0.0",
             "merkle-patricia-tree": "^2.1.2"
           },
@@ -6315,14 +6462,14 @@
           }
         },
         "ethereumjs-blockchain": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/ethereumjs-blockchain/-/ethereumjs-blockchain-4.0.1.tgz",
-          "integrity": "sha512-twf2yeyzeBXzCgclLyF9wZEyCKbCweM2KZdZkTsnlqGgaffgnSgY44+z+9BHUIVoWY+gxMj+XsTlTgVcbha8rg==",
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/ethereumjs-blockchain/-/ethereumjs-blockchain-4.0.2.tgz",
+          "integrity": "sha512-K7N7EJpDQJXX634uEuXRk3pIH058SPeu+g0xQslViQyaTpJNTHsN5Wu/MdA5BzrUriBRlfmX9lCEaU4ZuaftJA==",
           "dev": true,
           "requires": {
             "async": "^2.6.1",
             "ethashjs": "~0.0.7",
-            "ethereumjs-block": "~2.2.0",
+            "ethereumjs-block": "~2.2.1",
             "ethereumjs-common": "^1.1.0",
             "ethereumjs-util": "~6.1.0",
             "flow-stoplight": "^1.0.0",
@@ -6344,36 +6491,19 @@
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         "ethereumjs-common": {
-          "version": "1.3.1",
-          "resolved": "https://registry.npmjs.org/ethereumjs-common/-/ethereumjs-common-1.3.1.tgz",
-          "integrity": "sha512-kexqNgM2q29RKoZPPjehPREeqbr/vhYfT9Ho8FVeH3f7USjBuYp1iZ1qjqklk8FSMvEKPpMJFYSOunikw30Prw==",
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/ethereumjs-common/-/ethereumjs-common-1.4.0.tgz",
+          "integrity": "sha512-ser2SAplX/YI5W2AnzU8wmSjKRy4KQd4uxInJ36BzjS3m18E/B9QedPUIresZN1CSEQb/RgNQ2gN7C/XbpTafA==",
           "dev": true
         },
         "ethereumjs-tx": {
-          "version": "1.3.7",
-          "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
-          "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-2.1.1.tgz",
+          "integrity": "sha512-QtVriNqowCFA19X9BCRPMgdVNJ0/gMBS91TQb1DfrhsbR748g4STwxZptFAwfqehMyrF8rDwB23w87PQwru0wA==",
           "dev": true,
           "requires": {
-            "ethereum-common": "^0.0.18",
-            "ethereumjs-util": "^5.0.0"
-          },
-          "dependencies": {
-            "ethereumjs-util": {
-              "version": "5.2.0",
-              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
-              "integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
-              "dev": true,
-              "requires": {
-                "bn.js": "^4.11.0",
-                "create-hash": "^1.1.2",
-                "ethjs-util": "^0.1.3",
-                "keccak": "^1.0.2",
-                "rlp": "^2.0.0",
-                "safe-buffer": "^5.1.1",
-                "secp256k1": "^3.0.1"
-              }
-            }
+            "ethereumjs-common": "^1.3.1",
+            "ethereumjs-util": "^6.0.0"
           }
         },
         "ethereumjs-util": {
@@ -6392,44 +6522,26 @@
           }
         },
         "ethereumjs-vm": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/ethereumjs-vm/-/ethereumjs-vm-4.1.0.tgz",
-          "integrity": "sha512-qvgmKkyF+eZ6NvtqTV74z9oRB7UxUStA0gShEbXftovpukVIYVzhvCl9KvUi64Rpo8jufze6Z0zHhiQpZN0Izw==",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-vm/-/ethereumjs-vm-4.1.1.tgz",
+          "integrity": "sha512-Bh2avDY9Hyon9TvJ/fmkdyd5JDnmTudLJ5oKhmTfXn0Jjq7UzP4YRNp7e5PWoWXSmdXAGXU9W0DXK5TV9Qy/NQ==",
           "dev": true,
           "requires": {
             "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",
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-            "web3-utils": "1.2.1"
+            "@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"
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+          "resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.2.4.tgz",
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-            "web3-core-method": "1.2.1",
-            "web3-utils": "1.2.1"
+            "web3-core": "1.2.4",
+            "web3-core-method": "1.2.4",
+            "web3-utils": "1.2.4"
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@@ -14787,8 +14769,44 @@
               "integrity": "sha1-jZWCAsftuq6Dlwf7pvCf8ydgYhA=",
               "dev": true,
               "requires": {
-                "ethereumjs-abi": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
                 "ethereumjs-util": "^5.1.1"
+              },
+              "dependencies": {
+                "ethereumjs-abi": {
+                  "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#1cfbb13862f90f0b391d8a699544d5fe4dfb8c7b",
+                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git#1cfbb13862f90f0b391d8a699544d5fe4dfb8c7b",
+                  "requires": {
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+                    "ethereumjs-util": "^6.0.0"
+                  },
+                  "dependencies": {
+                    "ethereumjs-util": {
+                      "version": "6.2.0",
+                      "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.0.tgz",
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+                      "requires": {
+                        "@types/bn.js": "^4.11.3",
+                        "bn.js": "^4.11.0",
+                        "create-hash": "^1.1.2",
+                        "ethjs-util": "0.1.6",
+                        "keccak": "^2.0.0",
+                        "rlp": "^2.2.3",
+                        "secp256k1": "^3.0.1"
+                      }
+                    }
+                  }
+                },
+                "keccak": {
+                  "version": "2.1.0",
+                  "resolved": "https://registry.npmjs.org/keccak/-/keccak-2.1.0.tgz",
+                  "integrity": "sha512-m1wbJRTo+gWbctZWay9i26v5fFnYkOn7D5PCxJ3fZUGUEb49dE1Pm4BREUYCt/aoO6di7jeoGmhvqN9Nzylm3Q==",
+                  "requires": {
+                    "bindings": "^1.5.0",
+                    "inherits": "^2.0.4",
+                    "nan": "^2.14.0",
+                    "safe-buffer": "^5.2.0"
+                  }
+                }
               }
             },
             "ethereum-common": {
@@ -14800,7 +14818,6 @@
             "ethereumjs-abi": {
               "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#1cfbb13862f90f0b391d8a699544d5fe4dfb8c7b",
               "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
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@@ -14810,7 +14827,6 @@
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                     "create-hash": "^1.1.2",
@@ -14847,6 +14863,24 @@
                 "merkle-patricia-tree": "^2.1.2"
               }
             },
+            "ethereumjs-tx": {
+              "version": "1.3.7",
+              "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
+              "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+              "dev": true,
+              "requires": {
+                "ethereum-common": "^0.0.18",
+                "ethereumjs-util": "^5.0.0"
+              },
+              "dependencies": {
+                "ethereum-common": {
+                  "version": "0.0.18",
+                  "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
+                  "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8=",
+                  "dev": true
+                }
+              }
+            },
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               "version": "5.2.0",
               "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.0.tgz",
@@ -14928,6 +14962,11 @@
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+            "nan": {
+              "version": "2.14.0",
+              "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+              "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
+            },
             "ws": {
               "version": "5.2.2",
               "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.2.tgz",
@@ -14940,104 +14979,66 @@
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         "web3-providers-http": {
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-          "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.2.1.tgz",
-          "integrity": "sha512-BDtVUVolT9b3CAzeGVA/np1hhn7RPUZ6YYGB/sYky+GjeO311Yoq8SRDUSezU92x8yImSC2B+SMReGhd1zL+bQ==",
+          "version": "1.2.4",
+          "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.2.4.tgz",
+          "integrity": "sha512-dzVCkRrR/cqlIrcrWNiPt9gyt0AZTE0J+MfAu9rR6CyIgtnm1wFUVVGaxYRxuTGQRO4Dlo49gtoGwaGcyxqiTw==",
           "dev": true,
           "optional": true,
           "requires": {
-            "web3-core-helpers": "1.2.1",
+            "web3-core-helpers": "1.2.4",
             "xhr2-cookies": "1.1.0"
           }
         },
         "web3-providers-ipc": {
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-          "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.2.1.tgz",
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+          "version": "1.2.4",
+          "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.2.4.tgz",
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             "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1"
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         "web3-providers-ws": {
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-          "resolved": "https://registry.npmjs.org/web3-providers-ws/-/web3-providers-ws-1.2.1.tgz",
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             "underscore": "1.9.1",
-            "web3-core-helpers": "1.2.1",
-            "websocket": "github:web3-js/WebSocket-Node#polyfill/globalThis"
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-              "version": "github:web3-js/WebSocket-Node#b134a75541b5db59668df81c03e926cd5f325077",
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-                "nan": "^2.14.0",
-                "typedarray-to-buffer": "^3.1.5",
-                "yaeti": "^0.0.6"
-              }
-            }
+            "web3-core-helpers": "1.2.4"
           }
         },
         "web3-shh": {
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+          "resolved": "https://registry.npmjs.org/web3-shh/-/web3-shh-1.2.4.tgz",
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-            "web3-core-method": "1.2.1",
-            "web3-core-subscriptions": "1.2.1",
-            "web3-net": "1.2.1"
+            "web3-core": "1.2.4",
+            "web3-core-method": "1.2.4",
+            "web3-core-subscriptions": "1.2.4",
+            "web3-net": "1.2.4"
           }
         },
         "web3-utils": {
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-          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.1.tgz",
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+          "version": "1.2.4",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.4.tgz",
+          "integrity": "sha512-+S86Ip+jqfIPQWvw2N/xBQq5JNqCO0dyvukGdJm8fEWHZbckT4WxSpHbx+9KLEWY4H4x9pUwnoRkK87pYyHfgQ==",
           "dev": true,
           "optional": true,
           "requires": {
             "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",
-            "randomhex": "0.1.5",
+            "randombytes": "^2.1.0",
             "underscore": "1.9.1",
             "utf8": "3.0.0"
           },
diff --git a/package.json b/package.json
index 2ee542cad..19f112d07 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "ethereumjs-util"
   ],
   "devDependencies": {
-    "ganache-core": "2.9.1-beta.0",
+    "ganache-core": "2.9.1",
     "js-scrypt": "0.2.0",
     "node-loader": "^0.6.0",
     "on-build-webpack": "^0.1.0",