diff --git a/package-lock.json b/package-lock.json
index b203473..3ac2f8f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,12 +17,26 @@
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@@ -3999,6 +4213,79 @@
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@@ -4013,127 +4300,760 @@
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+        "for-each": "~0.3.3",
+        "glob": "~7.2.0",
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+        "inherits": "~2.0.4",
+        "is-regex": "~1.1.4",
+        "minimist": "~1.2.5",
+        "object-inspect": "~1.12.0",
+        "resolve": "~1.22.0",
+        "resumer": "~0.0.0",
+        "string.prototype.trim": "~1.2.5",
+        "through": "~2.3.8"
+      },
+      "dependencies": {
+        "deep-equal": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.1.1.tgz",
+          "integrity": "sha512-yd9c5AdiqVcR+JjcwUQb9DkhJc8ngNr0MahEBGvDiJw8puWab2yZlh+nkasOnZP+EGTAP6rRp2JzJhJZzvNF8g==",
+          "requires": {
+            "is-arguments": "^1.0.4",
+            "is-date-object": "^1.0.1",
+            "is-regex": "^1.0.4",
+            "object-is": "^1.0.1",
+            "object-keys": "^1.1.1",
+            "regexp.prototype.flags": "^1.2.0"
+          }
+        },
+        "glob": {
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.0.tgz",
+          "integrity": "sha512-lmLf6gtyrPq8tTjSmrO94wBeQbFR3HbLHbuyD69wuyQkImp2hWqMGB47OX65FBkPffO641IP9jWa1z4ivqG26Q==",
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+        },
+        "is-regex": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.1.4.tgz",
+          "integrity": "sha512-kvRdxDsxZjhzUX07ZnLydzS1TU/TJlTUHHY4YLL87e37oUA49DfkLqgy+VjFocowy29cKvcSiu+kIv728jTTVg==",
+          "requires": {
+            "call-bind": "^1.0.2",
+            "has-tostringtag": "^1.0.0"
+          }
+        },
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+        },
+        "object-keys": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
+          "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA=="
+        },
+        "path-parse": {
+          "version": "1.0.7",
+          "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
+          "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw=="
+        },
+        "resolve": {
+          "version": "1.22.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.0.tgz",
+          "integrity": "sha512-Hhtrw0nLeSrFQ7phPp4OOcVjLPIeMnRlr5mcnVuMe7M/7eBn98A3hmFRLoFo3DLZkivSYwhRUJTyPyWAk56WLw==",
+          "requires": {
+            "is-core-module": "^2.8.1",
+            "path-parse": "^1.0.7",
+            "supports-preserve-symlinks-flag": "^1.0.0"
+          }
+        }
+      }
+    },
     "tar": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz",
@@ -12204,6 +13954,12 @@
             "utf8": "^2.1.1",
             "xhr2": "*",
             "xmlhttprequest": "*"
+          },
+          "dependencies": {
+            "bignumber.js": {
+              "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
+              "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
+            }
           }
         }
       }
@@ -12238,6 +13994,16 @@
       "resolved": "https://registry.npmjs.org/truffle-error/-/truffle-error-0.0.3.tgz",
       "integrity": "sha1-S/VSQuFN7uHHGUkycJGC3v8sl8o="
     },
+    "truffle-privatekey-provider": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/truffle-privatekey-provider/-/truffle-privatekey-provider-0.1.0.tgz",
+      "integrity": "sha512-PGYFIv3n/RfMyJeiw7vxIz8VjsZxduvyVwg8OhsQodeAc/0aWbNJom4Og4rh9XWYB5kBg1bZ1rgNnpZbsZKWFw==",
+      "requires": {
+        "ethereumjs-wallet": "^0.6.0",
+        "web3": "^1.0.0-beta.34",
+        "web3-provider-engine": "^14.0.5"
+      }
+    },
     "truffle-provider": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/truffle-provider/-/truffle-provider-0.0.6.tgz",
@@ -12261,6 +14027,12 @@
             "utf8": "^2.1.1",
             "xhr2": "*",
             "xmlhttprequest": "*"
+          },
+          "dependencies": {
+            "bignumber.js": {
+              "version": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934",
+              "from": "git+https://github.com/frozeman/bignumber.js-nolookahead.git#57692b3ecfc98bbdd6b3a516cb2353652ea49934"
+            }
           }
         }
       }
@@ -12409,6 +14181,17 @@
       "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
       "integrity": "sha1-n+FTahCmZKZSZqHjzPhf02MCvJw="
     },
+    "unbox-primitive": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.1.tgz",
+      "integrity": "sha512-tZU/3NqK3dA5gpE1KtyiJUrEB0lxnGkMFHptJ7q6ewdZ8s12QrODwNbhIJStmJkd1QDXa1NRA8aF2A1zk/Ypyw==",
+      "requires": {
+        "function-bind": "^1.1.1",
+        "has-bigints": "^1.0.1",
+        "has-symbols": "^1.0.2",
+        "which-boxed-primitive": "^1.0.2"
+      }
+    },
     "unbzip2-stream": {
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/unbzip2-stream/-/unbzip2-stream-1.2.5.tgz",
@@ -12647,12 +14430,19 @@
       }
     },
     "url-parse": {
-      "version": "1.4.3",
-      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.3.tgz",
-      "integrity": "sha1-v67kVciJAjIZ11fgRfpqaE7DbBU=",
+      "version": "1.5.10",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
+      "integrity": "sha512-WypcfiRhfeUP9vvF0j6rw0J3hrWrw6iZv3+22h6iRMJ/8z1Tj6XfLP4DsUix5MhMPnXpiHDoKyoZ/bdCkwBCiQ==",
       "requires": {
-        "querystringify": "^2.0.0",
+        "querystringify": "^2.1.1",
         "requires-port": "^1.0.0"
+      },
+      "dependencies": {
+        "querystringify": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.2.0.tgz",
+          "integrity": "sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ=="
+        }
       }
     },
     "url-parse-lax": {
@@ -13017,6 +14807,88 @@
         "web3-utils": "1.0.0-beta.36"
       }
     },
+    "web3-provider-engine": {
+      "version": "14.2.1",
+      "resolved": "https://registry.npmjs.org/web3-provider-engine/-/web3-provider-engine-14.2.1.tgz",
+      "integrity": "sha512-iSv31h2qXkr9vrL6UZDm4leZMc32SjWJFGOp/D92JXfcEboCqraZyuExDkpxKw8ziTufXieNM7LSXNHzszYdJw==",
+      "requires": {
+        "async": "^2.5.0",
+        "backoff": "^2.5.0",
+        "clone": "^2.0.0",
+        "cross-fetch": "^2.1.0",
+        "eth-block-tracker": "^3.0.0",
+        "eth-json-rpc-infura": "^3.1.0",
+        "eth-sig-util": "^1.4.2",
+        "ethereumjs-block": "^1.2.2",
+        "ethereumjs-tx": "^1.2.0",
+        "ethereumjs-util": "^5.1.5",
+        "ethereumjs-vm": "^2.3.4",
+        "json-rpc-error": "^2.0.0",
+        "json-stable-stringify": "^1.0.1",
+        "promise-to-callback": "^1.0.0",
+        "readable-stream": "^2.2.9",
+        "request": "^2.85.0",
+        "semaphore": "^1.0.3",
+        "ws": "^5.1.1",
+        "xhr": "^2.2.0",
+        "xtend": "^4.0.1"
+      },
+      "dependencies": {
+        "clone": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.2.tgz",
+          "integrity": "sha1-G39Ln1kfHo+DZwQBYANFoCiHQ18="
+        },
+        "elliptic": {
+          "version": "6.5.4",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+          "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          },
+          "dependencies": {
+            "bn.js": {
+              "version": "4.12.0",
+              "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+              "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
+            }
+          }
+        },
+        "ethereumjs-util": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+          "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+          "requires": {
+            "bn.js": "^4.11.0",
+            "create-hash": "^1.1.2",
+            "elliptic": "^6.5.2",
+            "ethereum-cryptography": "^0.1.3",
+            "ethjs-util": "^0.1.3",
+            "rlp": "^2.0.0",
+            "safe-buffer": "^5.1.1"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+        },
+        "ws": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
+          "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
+          "requires": {
+            "async-limiter": "~1.0.0"
+          }
+        }
+      }
+    },
     "web3-providers-http": {
       "version": "1.0.0-beta.36",
       "resolved": "https://registry.npmjs.org/web3-providers-http/-/web3-providers-http-1.0.0-beta.36.tgz",
@@ -13044,6 +14916,18 @@
         "underscore": "1.8.3",
         "web3-core-helpers": "1.0.0-beta.36",
         "websocket": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2"
+      },
+      "dependencies": {
+        "websocket": {
+          "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+          "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
+          "requires": {
+            "debug": "^2.2.0",
+            "nan": "^2.3.3",
+            "typedarray-to-buffer": "^3.1.2",
+            "yaeti": "^0.0.6"
+          }
+        }
       }
     },
     "web3-shh": {
@@ -13078,10 +14962,6 @@
         }
       }
     },
-    "webcrypto-shim": {
-      "version": "github:dignifiedquire/webcrypto-shim#190bc9ec341375df6025b17ae12ddb2428ea49c8",
-      "from": "github:dignifiedquire/webcrypto-shim#master"
-    },
     "webidl-conversions": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
@@ -13410,16 +15290,6 @@
         "source-map": "~0.6.1"
       }
     },
-    "websocket": {
-      "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
-      "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
-      "requires": {
-        "debug": "^2.2.0",
-        "nan": "^2.3.3",
-        "typedarray-to-buffer": "^3.1.2",
-        "yaeti": "^0.0.6"
-      }
-    },
     "websocket-driver": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.0.tgz",
@@ -13476,6 +15346,28 @@
         "isexe": "^2.0.0"
       }
     },
+    "which-boxed-primitive": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz",
+      "integrity": "sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==",
+      "requires": {
+        "is-bigint": "^1.0.1",
+        "is-boolean-object": "^1.1.0",
+        "is-number-object": "^1.0.4",
+        "is-string": "^1.0.5",
+        "is-symbol": "^1.0.3"
+      },
+      "dependencies": {
+        "is-symbol": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.4.tgz",
+          "integrity": "sha512-C/CPBqKWnvdcxqIARxyOh4v1UUEOCHpgDa0WYgpKDFMszcrPcffg5uhwSgPCLD2WWxmq6isisz87tzT01tuGhg==",
+          "requires": {
+            "has-symbols": "^1.0.2"
+          }
+        }
+      }
+    },
     "which-module": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
diff --git a/yarn.lock b/yarn.lock
index 95a41f3..255db96 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -18,7 +18,7 @@
 
 "@types/graphql@0.12.6":
   version "0.12.6"
-  resolved "http://registry.npmjs.org/@types/graphql/-/graphql-0.12.6.tgz#3d619198585fcabe5f4e1adfb5cf5f3388c66c13"
+  resolved "https://registry.npmjs.org/@types/graphql/-/graphql-0.12.6.tgz#3d619198585fcabe5f4e1adfb5cf5f3388c66c13"
 
 "@types/node@^10.3.2":
   version "10.9.4"
@@ -737,7 +737,7 @@ babel-plugin-dynamic-import-node@1.1.0:
 
 babel-plugin-istanbul@^4.0.0:
   version "4.1.6"
-  resolved "http://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
+  resolved "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   dependencies:
     babel-plugin-syntax-object-rest-spread "^6.13.0"
     find-up "^2.1.0"
@@ -750,31 +750,31 @@ babel-plugin-jest-hoist@^20.0.3:
 
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
 
 babel-plugin-syntax-class-properties@^6.8.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-class-properties/-/babel-plugin-syntax-class-properties-6.13.0.tgz#d7eb23b79a317f8543962c505b827c7d6cac27de"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-class-properties/-/babel-plugin-syntax-class-properties-6.13.0.tgz#d7eb23b79a317f8543962c505b827c7d6cac27de"
 
 babel-plugin-syntax-dynamic-import@6.18.0, babel-plugin-syntax-dynamic-import@^6.18.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz#8d6a26229c83745a9982a441051572caa179b1da"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz#8d6a26229c83745a9982a441051572caa179b1da"
 
 babel-plugin-syntax-exponentiation-operator@^6.8.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz#9ee7e8337290da95288201a6a57f4170317830de"
 
 babel-plugin-syntax-flow@^6.18.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-flow/-/babel-plugin-syntax-flow-6.18.0.tgz#4c3ab20a2af26aa20cd25995c398c4eb70310c8d"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-flow/-/babel-plugin-syntax-flow-6.18.0.tgz#4c3ab20a2af26aa20cd25995c398c4eb70310c8d"
 
 babel-plugin-syntax-jsx@^6.3.13, babel-plugin-syntax-jsx@^6.8.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"
 
 babel-plugin-syntax-object-rest-spread@^6.13.0, babel-plugin-syntax-object-rest-spread@^6.8.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
 
 babel-plugin-syntax-trailing-function-commas@^6.22.0:
   version "6.22.0"
@@ -1205,7 +1205,7 @@ babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.23.0, babel-types@^6.24
 
 babelify@^7.3.0:
   version "7.3.0"
-  resolved "http://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz#aa56aede7067fd7bd549666ee16dc285087e88e5"
+  resolved "https://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz#aa56aede7067fd7bd549666ee16dc285087e88e5"
   dependencies:
     babel-core "^6.0.14"
     object-assign "^4.0.0"
@@ -1321,7 +1321,7 @@ block-stream@*:
 
 bluebird@^2.9.34:
   version "2.11.0"
-  resolved "http://registry.npmjs.org/bluebird/-/bluebird-2.11.0.tgz#534b9033c022c9579c56ba3b3e5a5caafbb650e1"
+  resolved "https://registry.npmjs.org/bluebird/-/bluebird-2.11.0.tgz#534b9033c022c9579c56ba3b3e5a5caafbb650e1"
 
 bluebird@^3.4.7, bluebird@^3.5.0:
   version "3.5.2"
@@ -1600,7 +1600,7 @@ buffer-xor@^1.0.3:
 
 buffer@^3.0.1:
   version "3.6.0"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
+  resolved "https://registry.npmjs.org/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
   dependencies:
     base64-js "0.0.8"
     ieee754 "^1.1.4"
@@ -1608,7 +1608,7 @@ buffer@^3.0.1:
 
 buffer@^4.3.0:
   version "4.9.1"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
+  resolved "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
   dependencies:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
@@ -1729,7 +1729,7 @@ center-align@^0.1.1:
 
 chalk@1.1.3, chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -1963,7 +1963,7 @@ commander@^2.11.0, commander@^2.15.0, commander@^2.8.1:
 
 commander@~2.8.1:
   version "2.8.1"
-  resolved "http://registry.npmjs.org/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
+  resolved "https://registry.npmjs.org/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
   dependencies:
     graceful-readlink ">= 1.0.0"
 
@@ -3367,7 +3367,7 @@ expand-tilde@^2.0.0, expand-tilde@^2.0.2:
 
 express@^4.14.0, express@^4.16.2:
   version "4.16.3"
-  resolved "http://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
+  resolved "https://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
   dependencies:
     accepts "~1.3.5"
     array-flatten "1.1.1"
@@ -3419,7 +3419,7 @@ extend@~3.0.2:
 
 external-editor@^2.0.4:
   version "2.2.0"
-  resolved "http://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
+  resolved "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
   dependencies:
     chardet "^0.4.0"
     iconv-lite "^0.4.17"
@@ -3956,7 +3956,7 @@ got@7.1.0, got@^7.1.0:
 
 got@^6.7.1:
   version "6.7.1"
-  resolved "http://registry.npmjs.org/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
+  resolved "https://registry.npmjs.org/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
   dependencies:
     create-error-class "^3.0.0"
     duplexer3 "^0.1.4"
@@ -5958,15 +5958,15 @@ minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4, minimatch@~3.0.2:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0, minimist@~1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 minimist@~0.0.1:
   version "0.0.10"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
 minipass@^2.2.1, minipass@^2.3.3:
   version "2.3.4"
@@ -5996,7 +5996,7 @@ mkdirp-promise@^5.0.1:
 
 mkdirp@*, mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
@@ -6182,7 +6182,7 @@ no-case@^2.2.0:
 
 node-fetch@2.1.2:
   version "2.1.2"
-  resolved "http://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
+  resolved "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
 
 node-fetch@^1.0.1, node-fetch@~1.7.1:
   version "1.7.3"
@@ -6499,7 +6499,7 @@ os-homedir@^1.0.0, os-homedir@^1.0.1:
 
 os-locale@^1.4.0:
   version "1.4.0"
-  resolved "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  resolved "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
   dependencies:
     lcid "^1.0.0"
 
@@ -7305,9 +7305,9 @@ querystring@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
 
-querystringify@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.0.0.tgz#fa3ed6e68eb15159457c89b37bc6472833195755"
+querystringify@^2.1.1:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
 
 raf@3.4.0, raf@^3.4.0:
   version "3.4.0"
@@ -8738,7 +8738,7 @@ symbol-tree@^3.2.1:
 
 table@^4.0.1:
   version "4.0.3"
-  resolved "http://registry.npmjs.org/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
+  resolved "https://registry.npmjs.org/table/-/table-4.0.3.tgz#00b5e2b602f1794b9acaf9ca908a76386a7813bc"
   dependencies:
     ajv "^6.0.1"
     ajv-keywords "^3.0.0"
@@ -9200,10 +9200,10 @@ url-parse-lax@^1.0.0:
     prepend-http "^1.0.1"
 
 url-parse@^1.1.8, url-parse@^1.4.3:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.4.3.tgz#bfaee455c889023219d757e045fa6a684ec36c15"
+  version "1.5.10"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.5.10.tgz#9d3c2f736c1d75dd3bd2be507dcc111f1e2ea9c1"
   dependencies:
-    querystringify "^2.0.0"
+    querystringify "^2.1.1"
     requires-port "^1.0.0"
 
 url-set-query@^1.0.0:
@@ -9760,7 +9760,7 @@ web3-utils@1.0.0-beta.36, web3-utils@^1.0.0-beta.34:
 
 web3@0.20.6:
   version "0.20.6"
-  resolved "http://registry.npmjs.org/web3/-/web3-0.20.6.tgz#3e97306ae024fb24e10a3d75c884302562215120"
+  resolved "https://registry.npmjs.org/web3/-/web3-0.20.6.tgz#3e97306ae024fb24e10a3d75c884302562215120"
   dependencies:
     bignumber.js "git+https://github.com/frozeman/bignumber.js-nolookahead.git"
     crypto-js "^3.1.4"
@@ -9780,7 +9780,7 @@ web3@^0.18.4:
 
 web3@^1.0.0-beta.34:
   version "1.0.0-beta.34"
-  resolved "http://registry.npmjs.org/web3/-/web3-1.0.0-beta.34.tgz#347e561b784098cb5563315f490479a1d91f2ab1"
+  resolved "https://registry.npmjs.org/web3/-/web3-1.0.0-beta.34.tgz#347e561b784098cb5563315f490479a1d91f2ab1"
   dependencies:
     web3-bzz "1.0.0-beta.34"
     web3-core "1.0.0-beta.34"
@@ -9995,7 +9995,7 @@ worker-farm@^1.3.1:
 
 wrap-ansi@^2.0.0:
   version "2.1.0"
-  resolved "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
   dependencies:
     string-width "^1.0.1"
     strip-ansi "^3.0.1"
@@ -10134,7 +10134,7 @@ yargs-parser@^7.0.0:
 
 yargs@6.6.0:
   version "6.6.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
   dependencies:
     camelcase "^3.0.0"
     cliui "^3.2.0"
@@ -10152,7 +10152,7 @@ yargs@6.6.0:
 
 yargs@^4.7.1:
   version "4.8.1"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz#c0c42924ca4aaa6b0e6da1739dfb216439f9ddc0"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz#c0c42924ca4aaa6b0e6da1739dfb216439f9ddc0"
   dependencies:
     cliui "^3.2.0"
     decamelize "^1.1.1"
@@ -10207,7 +10207,7 @@ yargs@^8.0.2:
 
 yargs@~3.10.0:
   version "3.10.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
   dependencies:
     camelcase "^1.0.2"
     cliui "^2.1.0"