diff --git a/package-lock.json b/package-lock.json
index 0ebd30d..d9285ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -80,6 +80,14 @@
       "integrity": "sha512-9mUqkL1FF5T7f0WDFfAoDdiMVPWsdD1gZYzSnaXsxUCUqzuch/8of9G3VUSNiZmMBoRxT3neyVsqeiL/ZPcjew==",
       "dev": true
     },
+    "@babel/runtime": {
+      "version": "7.4.5",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.4.5.tgz",
+      "integrity": "sha512-TuI4qpWZP6lGOGIuGWtp9sPluqYICmbk8T/1vpSysqJxRPkudh/ofFWyqdcMsDf2s7KvDL4/YHgKyvcS3g9CJQ==",
+      "requires": {
+        "regenerator-runtime": "^0.13.2"
+      }
+    },
     "@babel/template": {
       "version": "7.4.4",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.4.4.tgz",
@@ -180,10 +188,130 @@
       "integrity": "sha512-+iTbntw2IZPb/anVDbypzfQa+ay64MW0Zo8aJ8gZPWMMK6/OubMVb6lUPMagqjOPnmtauXnFCACVl3O7ogjeqQ==",
       "dev": true
     },
+    "@types/bn.js": {
+      "version": "4.11.5",
+      "resolved": "https://registry.npmjs.org/@types/bn.js/-/bn.js-4.11.5.tgz",
+      "integrity": "sha512-AEAZcIZga0JgVMHNtl1CprA/hXX7/wPt79AgR4XqaDt7jyj3QWYw6LPoOiznPtugDmlubUnAahMs2PFxGcQrng==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/body-parser": {
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.17.0.tgz",
+      "integrity": "sha512-a2+YeUjPkztKJu5aIF2yArYFQQp8d51wZ7DavSHjFuY1mqVgidGyzEQ41JIVNy82fXj8yPgy2vJmfIywgESW6w==",
+      "dev": true,
+      "requires": {
+        "@types/connect": "*",
+        "@types/node": "*"
+      }
+    },
+    "@types/bson": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@types/bson/-/bson-4.0.0.tgz",
+      "integrity": "sha512-pq/rqJwJWkbS10crsG5bgnrisL8pML79KlMKQMoQwLUjlPAkrUHMvHJ3oGwE7WHR61Lv/nadMwXVAD2b+fpD8Q==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/connect": {
+      "version": "3.4.32",
+      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.32.tgz",
+      "integrity": "sha512-4r8qa0quOvh7lGD0pre62CAb1oni1OO6ecJLGCezTmhQ8Fz50Arx9RUszryR8KlgK6avuSXvviL6yWyViQABOg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/dotenv": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@types/dotenv/-/dotenv-6.1.1.tgz",
+      "integrity": "sha512-ftQl3DtBvqHl9L16tpqqzA4YzCSXZfi7g8cQceTz5rOlYtk/IZbFjAv3mLOQlNIgOaylCQWQoBdDQHPgEBJPHg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/express": {
+      "version": "4.17.0",
+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.0.tgz",
+      "integrity": "sha512-CjaMu57cjgjuZbh9DpkloeGxV45CnMGlVd+XpG7Gm9QgVrd7KFq+X4HY0vM+2v0bczS48Wg7bvnMY5TN+Xmcfw==",
+      "dev": true,
+      "requires": {
+        "@types/body-parser": "*",
+        "@types/express-serve-static-core": "*",
+        "@types/serve-static": "*"
+      }
+    },
+    "@types/express-serve-static-core": {
+      "version": "4.16.7",
+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.16.7.tgz",
+      "integrity": "sha512-847KvL8Q1y3TtFLRTXcVakErLJQgdpFSaq+k043xefz9raEf0C7HalpSY7OW5PyjCnY8P7bPW5t/Co9qqp+USg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*",
+        "@types/range-parser": "*"
+      }
+    },
+    "@types/json5": {
+      "version": "0.0.29",
+      "resolved": "https://registry.npmjs.org/@types/json5/-/json5-0.0.29.tgz",
+      "integrity": "sha1-7ihweulOEdK4J7y+UnC86n8+ce4=",
+      "dev": true
+    },
+    "@types/lodash": {
+      "version": "4.14.134",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.134.tgz",
+      "integrity": "sha512-2/O0khFUCFeDlbi7sZ7ZFRCcT812fAeOLm7Ev4KbwASkZ575TDrDcY7YyaoHdTOzKcNbfiwLYZqPmoC4wadrsw==",
+      "dev": true
+    },
+    "@types/mime": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.1.tgz",
+      "integrity": "sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==",
+      "dev": true
+    },
+    "@types/mongodb": {
+      "version": "3.1.28",
+      "resolved": "https://registry.npmjs.org/@types/mongodb/-/mongodb-3.1.28.tgz",
+      "integrity": "sha512-tG+QqJ/hir2p0069ee28t2O9tlGRJKDq1WFZC2QYMlU47LGdldLL8tepfTq6aFLvP58OpwSoxaJ/qjW93ob1NQ==",
+      "dev": true,
+      "requires": {
+        "@types/bson": "*",
+        "@types/node": "*"
+      }
+    },
+    "@types/mongoose": {
+      "version": "5.5.6",
+      "resolved": "https://registry.npmjs.org/@types/mongoose/-/mongoose-5.5.6.tgz",
+      "integrity": "sha512-Duco8iiwOEGB756eIyafsrFbsAxjXQPkb/nplZtbxGOhfmsA90rXjO/GbDsBYbUz5nkGOCRHuNfxOJzoVAMHMg==",
+      "dev": true,
+      "requires": {
+        "@types/mongodb": "*",
+        "@types/node": "*"
+      }
+    },
     "@types/node": {
-      "version": "10.14.9",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.9.tgz",
-      "integrity": "sha512-NelG/dSahlXYtSoVPErrp06tYFrvzj8XLWmKA+X8x0W//4MqbUyZu++giUG/v0bjAT6/Qxa8IjodrfdACyb0Fg=="
+      "version": "10.14.10",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.10.tgz",
+      "integrity": "sha512-V8wj+w2YMNvGuhgl/MA5fmTxgjmVHVoasfIaxMMZJV6Y8Kk+Ydpi1z2whoShDCJ2BuNVoqH/h1hrygnBxkrw/Q=="
+    },
+    "@types/range-parser": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.3.tgz",
+      "integrity": "sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==",
+      "dev": true
+    },
+    "@types/serve-static": {
+      "version": "1.13.2",
+      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.13.2.tgz",
+      "integrity": "sha512-/BZ4QRLpH/bNYgZgwhKEh+5AsboDBcUdlBYgzoLX0fpj3Y2gp6EApyOlM3bK53wQS/OE1SrdSYBAbux2D1528Q==",
+      "dev": true,
+      "requires": {
+        "@types/express-serve-static-core": "*",
+        "@types/mime": "*"
+      }
     },
     "accepts": {
       "version": "1.3.7",
@@ -203,6 +331,7 @@
       "version": "6.10.0",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
       "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
+      "dev": true,
       "requires": {
         "fast-deep-equal": "^2.0.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -225,11 +354,6 @@
         "color-convert": "^1.9.0"
       }
     },
-    "any-promise": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
-      "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8="
-    },
     "append-transform": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/append-transform/-/append-transform-1.0.0.tgz",
@@ -275,24 +399,16 @@
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
       "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "dev": true,
       "requires": {
         "safer-buffer": "~2.1.0"
       }
     },
-    "asn1.js": {
-      "version": "4.10.1",
-      "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
-      "integrity": "sha512-p32cOF5q0Zqs9uBiONKYLm6BClCoBCM5O9JfeUSlnQLBTxYdTK+pW+nXflm8UkKd2UYlEbYz5qEi0JuZR9ckSw==",
-      "requires": {
-        "bn.js": "^4.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0"
-      }
-    },
     "assert-plus": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+      "dev": true
     },
     "assertion-error": {
       "version": "1.1.0",
@@ -308,25 +424,23 @@
         "lodash": "^4.17.10"
       }
     },
-    "async-limiter": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
-    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
+      "dev": true
     },
     "aws-sign2": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
+      "dev": true
     },
     "aws4": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
+      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ==",
+      "dev": true
     },
     "axios": {
       "version": "0.19.0",
@@ -340,36 +454,32 @@
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
-    },
-    "base64-js": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
-      "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
     },
     "bcrypt-pbkdf": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
       "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
+      "dev": true,
       "requires": {
         "tweetnacl": "^0.14.3"
       }
     },
-    "bl": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
-      "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
       "requires": {
-        "readable-stream": "^2.3.5",
-        "safe-buffer": "^5.1.1"
+        "file-uri-to-path": "1.0.0"
       }
     },
-    "block-stream": {
-      "version": "0.0.9",
-      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
-      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
+    "bip66": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/bip66/-/bip66-1.1.5.tgz",
+      "integrity": "sha1-AfqHSHhcpwlV1QESF9GzE5lpyiI=",
       "requires": {
-        "inherits": "~2.0.0"
+        "safe-buffer": "^5.0.1"
       }
     },
     "bluebird": {
@@ -413,6 +523,7 @@
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
       "requires": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
@@ -470,76 +581,11 @@
         }
       }
     },
-    "browserify-rsa": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz",
-      "integrity": "sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=",
-      "requires": {
-        "bn.js": "^4.1.0",
-        "randombytes": "^2.0.1"
-      }
-    },
-    "browserify-sha3": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/browserify-sha3/-/browserify-sha3-0.0.4.tgz",
-      "integrity": "sha1-CGxHuMgjFsnUcCLCYYWVRXbdjiY=",
-      "requires": {
-        "js-sha3": "^0.6.1",
-        "safe-buffer": "^5.1.1"
-      }
-    },
-    "browserify-sign": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/browserify-sign/-/browserify-sign-4.0.4.tgz",
-      "integrity": "sha1-qk62jl17ZYuqa/alfmMMvXqT0pg=",
-      "requires": {
-        "bn.js": "^4.1.1",
-        "browserify-rsa": "^4.0.0",
-        "create-hash": "^1.1.0",
-        "create-hmac": "^1.1.2",
-        "elliptic": "^6.0.0",
-        "inherits": "^2.0.1",
-        "parse-asn1": "^5.0.0"
-      }
-    },
     "bson": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.1.tgz",
       "integrity": "sha512-jCGVYLoYMHDkOsbwJZBCqwMHyH4c+wzgI9hG7Z6SZJRXWr+x58pdIbm2i9a/jFGCkRJqRUr8eoI7lDWa0hTkxg=="
     },
-    "buffer": {
-      "version": "5.2.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.2.1.tgz",
-      "integrity": "sha512-c+Ko0loDaFfuPWiL02ls9Xd3GO3cPVmUobQ6t3rXNUk304u6hGq+8N/kFi+QEIKhzK3uwolVhLzszmfLmMLnqg==",
-      "requires": {
-        "base64-js": "^1.0.2",
-        "ieee754": "^1.1.4"
-      }
-    },
-    "buffer-alloc": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
-      "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
-      "requires": {
-        "buffer-alloc-unsafe": "^1.1.0",
-        "buffer-fill": "^1.0.0"
-      }
-    },
-    "buffer-alloc-unsafe": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
-      "integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg=="
-    },
-    "buffer-crc32": {
-      "version": "0.2.13",
-      "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz",
-      "integrity": "sha1-DTM+PwDqxQqhRUq9MO+MKl2ackI="
-    },
-    "buffer-fill": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
-      "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw="
-    },
     "buffer-from": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
@@ -606,7 +652,8 @@
     "caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
+      "dev": true
     },
     "chai": {
       "version": "4.1.2",
@@ -722,6 +769,7 @@
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
       "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "dev": true,
       "requires": {
         "delayed-stream": "~1.0.0"
       }
@@ -729,7 +777,8 @@
     "commander": {
       "version": "2.20.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-      "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ=="
+      "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+      "dev": true
     },
     "commondir": {
       "version": "1.0.1",
@@ -740,7 +789,8 @@
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
     },
     "content-disposition": {
       "version": "0.5.2",
@@ -781,15 +831,6 @@
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
-    "cors": {
-      "version": "2.8.5",
-      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
-      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
-      "requires": {
-        "object-assign": "^4",
-        "vary": "^1"
-      }
-    },
     "coveralls": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.2.tgz",
@@ -806,7 +847,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -843,15 +884,6 @@
         }
       }
     },
-    "create-ecdh": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.3.tgz",
-      "integrity": "sha512-GbEHQPMOswGpKXM9kCWVrremUcBmjteUaQ01T9rkKCPDXfUHX0IoP9LpHYo2NPFampa4e+/pFDc3jQdxrxQLaw==",
-      "requires": {
-        "bn.js": "^4.1.0",
-        "elliptic": "^6.0.0"
-      }
-    },
     "create-hash": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
@@ -896,28 +928,11 @@
         "which": "^1.2.9"
       }
     },
-    "crypto-browserify": {
-      "version": "3.12.0",
-      "resolved": "https://registry.npmjs.org/crypto-browserify/-/crypto-browserify-3.12.0.tgz",
-      "integrity": "sha512-fz4spIh+znjO2VjL+IdhEpRJ3YN6sMzITSBijk6FK2UvTqruSQW+/cCZTSNsMiZNvUeq0CqurF+dAbyiGOY6Wg==",
-      "requires": {
-        "browserify-cipher": "^1.0.0",
-        "browserify-sign": "^4.0.0",
-        "create-ecdh": "^4.0.0",
-        "create-hash": "^1.1.0",
-        "create-hmac": "^1.1.0",
-        "diffie-hellman": "^5.0.0",
-        "inherits": "^2.0.1",
-        "pbkdf2": "^3.0.3",
-        "public-encrypt": "^4.0.0",
-        "randombytes": "^2.0.0",
-        "randomfill": "^1.0.3"
-      }
-    },
     "dashdash": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
       }
@@ -941,21 +956,6 @@
       "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
       "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU="
     },
-    "decompress": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/decompress/-/decompress-4.2.0.tgz",
-      "integrity": "sha1-eu3YVCflqS2s/lVnSnxQXpbQH50=",
-      "requires": {
-        "decompress-tar": "^4.0.0",
-        "decompress-tarbz2": "^4.0.0",
-        "decompress-targz": "^4.0.0",
-        "decompress-unzip": "^4.0.1",
-        "graceful-fs": "^4.1.10",
-        "make-dir": "^1.0.0",
-        "pify": "^2.3.0",
-        "strip-dirs": "^2.0.0"
-      }
-    },
     "decompress-response": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-3.3.0.tgz",
@@ -964,72 +964,6 @@
         "mimic-response": "^1.0.0"
       }
     },
-    "decompress-tar": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/decompress-tar/-/decompress-tar-4.1.1.tgz",
-      "integrity": "sha512-JdJMaCrGpB5fESVyxwpCx4Jdj2AagLmv3y58Qy4GE6HMVjWz1FeVQk1Ct4Kye7PftcdOo/7U7UKzYBJgqnGeUQ==",
-      "requires": {
-        "file-type": "^5.2.0",
-        "is-stream": "^1.1.0",
-        "tar-stream": "^1.5.2"
-      }
-    },
-    "decompress-tarbz2": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/decompress-tarbz2/-/decompress-tarbz2-4.1.1.tgz",
-      "integrity": "sha512-s88xLzf1r81ICXLAVQVzaN6ZmX4A6U4z2nMbOwobxkLoIIfjVMBg7TeguTUXkKeXni795B6y5rnvDw7rxhAq9A==",
-      "requires": {
-        "decompress-tar": "^4.1.0",
-        "file-type": "^6.1.0",
-        "is-stream": "^1.1.0",
-        "seek-bzip": "^1.0.5",
-        "unbzip2-stream": "^1.0.9"
-      },
-      "dependencies": {
-        "file-type": {
-          "version": "6.2.0",
-          "resolved": "https://registry.npmjs.org/file-type/-/file-type-6.2.0.tgz",
-          "integrity": "sha512-YPcTBDV+2Tm0VqjybVd32MHdlEGAtuxS3VAYsumFokDSMG+ROT5wawGlnHDoz7bfMcMDt9hxuXvXwoKUx2fkOg=="
-        }
-      }
-    },
-    "decompress-targz": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/decompress-targz/-/decompress-targz-4.1.1.tgz",
-      "integrity": "sha512-4z81Znfr6chWnRDNfFNqLwPvm4db3WuZkqV+UgXQzSngG3CEKdBkw5jrv3axjjL96glyiiKjsxJG3X6WBZwX3w==",
-      "requires": {
-        "decompress-tar": "^4.1.1",
-        "file-type": "^5.2.0",
-        "is-stream": "^1.1.0"
-      }
-    },
-    "decompress-unzip": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/decompress-unzip/-/decompress-unzip-4.0.1.tgz",
-      "integrity": "sha1-3qrM39FK6vhVePczroIQ+bSEj2k=",
-      "requires": {
-        "file-type": "^3.8.0",
-        "get-stream": "^2.2.0",
-        "pify": "^2.3.0",
-        "yauzl": "^2.4.2"
-      },
-      "dependencies": {
-        "file-type": {
-          "version": "3.9.0",
-          "resolved": "https://registry.npmjs.org/file-type/-/file-type-3.9.0.tgz",
-          "integrity": "sha1-JXoHg4TR24CHvESdEH1SpSZyuek="
-        },
-        "get-stream": {
-          "version": "2.3.1",
-          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-2.3.1.tgz",
-          "integrity": "sha1-Xzj5PzRgCWZu4BUKBUFn+Rvdld4=",
-          "requires": {
-            "object-assign": "^4.0.1",
-            "pinkie-promise": "^2.0.0"
-          }
-        }
-      }
-    },
     "deep-eql": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
@@ -1050,6 +984,12 @@
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
       "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ="
     },
+    "deepmerge": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-2.2.1.tgz",
+      "integrity": "sha512-R9hc1Xa/NOBi9WRVUWg19rl1UB7Tt4kuPd+thNJgFZoxXsTz7ncaPaeIm+40oSGuP33DfMb4sZt1QIGiJzC4EA==",
+      "dev": true
+    },
     "default-require-extensions": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/default-require-extensions/-/default-require-extensions-2.0.0.tgz",
@@ -1075,7 +1015,8 @@
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+      "dev": true
     },
     "depd": {
       "version": "1.1.2",
@@ -1112,16 +1053,6 @@
       "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
       "dev": true
     },
-    "diffie-hellman": {
-      "version": "5.0.3",
-      "resolved": "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz",
-      "integrity": "sha512-kqag/Nl+f3GwyK25fhUMYj81BUOrZ9IuJsjIcDE5icNM9FJHAVm3VcUDxdLPoQtTuUylWm6ZIknYJwwaPxsUzg==",
-      "requires": {
-        "bn.js": "^4.1.0",
-        "miller-rabin": "^4.0.0",
-        "randombytes": "^2.0.0"
-      }
-    },
     "dirty-chai": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/dirty-chai/-/dirty-chai-2.0.1.tgz",
@@ -1138,15 +1069,21 @@
       "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-6.0.0.tgz",
       "integrity": "sha512-FlWbnhgjtwD+uNLUGHbMykMOYQaTivdHEmYwAKFjn6GKe/CqY0fNae93ZHTd20snh9ZLr8mTzIL9m0APQ1pjQg=="
     },
-    "duplexer3": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/duplexer3/-/duplexer3-0.1.4.tgz",
-      "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI="
+    "drbg.js": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/drbg.js/-/drbg.js-1.0.1.tgz",
+      "integrity": "sha1-Pja2xCs3BDgjzbwzLVjzHiRFSAs=",
+      "requires": {
+        "browserify-aes": "^1.0.6",
+        "create-hash": "^1.1.2",
+        "create-hmac": "^1.1.4"
+      }
     },
     "ecc-jsbn": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
       "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
+      "dev": true,
       "requires": {
         "jsbn": "~0.1.0",
         "safer-buffer": "^2.1.0"
@@ -1158,9 +1095,9 @@
       "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
     },
     "elliptic": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz",
-      "integrity": "sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ==",
+      "version": "6.5.0",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.0.tgz",
+      "integrity": "sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==",
       "requires": {
         "bn.js": "^4.4.0",
         "brorand": "^1.0.1",
@@ -1194,6 +1131,7 @@
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
       "integrity": "sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==",
+      "dev": true,
       "requires": {
         "once": "^1.4.0"
       }
@@ -1307,33 +1245,50 @@
       "requires": {
         "idna-uts46-hx": "^2.3.1",
         "js-sha3": "^0.5.7"
-      },
-      "dependencies": {
-        "js-sha3": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
-          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc="
-        }
       }
     },
     "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": "0.2.8",
+      "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.8.tgz",
+      "integrity": "sha512-ArJ7x1WcWOlSpzdoTBX8vkwlkSQ85CjjifSZtV4co64vWxSV8geWfPI9x4SVYu3DSxnX4yWFVTtGL+j9DUFLNw==",
       "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",
         "xhr-request-promise": "^0.1.2"
       }
     },
+    "ethereum-common": {
+      "version": "0.0.18",
+      "resolved": "https://registry.npmjs.org/ethereum-common/-/ethereum-common-0.0.18.tgz",
+      "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8="
+    },
+    "ethereumjs-tx": {
+      "version": "1.3.7",
+      "resolved": "https://registry.npmjs.org/ethereumjs-tx/-/ethereumjs-tx-1.3.7.tgz",
+      "integrity": "sha512-wvLMxzt1RPhAQ9Yi3/HKZTn0FZYpnsmQdbKYfUUpi4j1SEIcbkd9tndVjcPrufY3V7j2IebOpC00Zp2P/Ay2kA==",
+      "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",
+      "integrity": "sha512-CJAKdI0wgMbQFLlLRtZKGcy/L6pzVRgelIZqRqNbuVFM3K9VEnyfbcvz0ncWMRNCe4kaHWjwRYQcYMucmwsnWA==",
+      "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"
+      }
+    },
     "ethers": {
-      "version": "4.0.0-beta.1",
-      "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.0-beta.1.tgz",
-      "integrity": "sha512-SoYhktEbLxf+fiux5SfCEwdzWENMvgIbMZD90I62s4GZD9nEjgEWy8ZboI3hck193Vs0bDoTohDISx84f2H2tw==",
+      "version": "4.0.31",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-4.0.31.tgz",
+      "integrity": "sha512-S2zKBGvEBIng7hghAXZ9259xCkClyRr/bM0F297O3lAnC6sYjTHNIMtiqWmA89qieAIyzWUZn/aCLUslRlJFkw==",
       "requires": {
         "@types/node": "^10.3.2",
         "aes-js": "3.0.0",
@@ -1341,7 +1296,7 @@
         "elliptic": "6.3.3",
         "hash.js": "1.1.3",
         "js-sha3": "0.5.7",
-        "scrypt-js": "2.0.3",
+        "scrypt-js": "2.0.4",
         "setimmediate": "1.0.4",
         "uuid": "2.0.1",
         "xmlhttprequest": "1.8.0"
@@ -1367,16 +1322,6 @@
             "minimalistic-assert": "^1.0.0"
           }
         },
-        "js-sha3": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
-          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc="
-        },
-        "setimmediate": {
-          "version": "1.0.4",
-          "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.4.tgz",
-          "integrity": "sha1-IOgd5iLUoCWIzgyNqJc8vPHTE48="
-        },
         "uuid": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
@@ -1400,10 +1345,19 @@
         }
       }
     },
+    "ethjs-util": {
+      "version": "0.1.6",
+      "resolved": "https://registry.npmjs.org/ethjs-util/-/ethjs-util-0.1.6.tgz",
+      "integrity": "sha512-CUnVOQq7gSpDHZVVrQW8ExxUETWrnrvXYvYz55wOU8Uj4VCgw56XC2B/fVqQN+f7gmrnRHSLVnFAwsCuNwji8w==",
+      "requires": {
+        "is-hex-prefixed": "1.0.0",
+        "strip-hex-prefix": "1.0.0"
+      }
+    },
     "eventemitter3": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-1.1.1.tgz",
-      "integrity": "sha1-R3hr2qCHyvext15zq8XH1UAVjNA="
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-3.1.0.tgz",
+      "integrity": "sha512-ivIvhpq/Y0uSjcHDcOIccjmYjGLcP09MFGE7ysAwkAvkXfpZlC985pH2/ui64DKazbTW/4kN3yqozUxlXzI6cA=="
     },
     "evp_bytestokey": {
       "version": "1.0.3",
@@ -1463,7 +1417,7 @@
     },
     "express": {
       "version": "4.16.3",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.16.3.tgz",
+      "resolved": "http://registry.npmjs.org/express/-/express-4.16.3.tgz",
       "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
       "requires": {
         "accepts": "~1.3.5",
@@ -1511,22 +1465,26 @@
     "extend": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
-      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g==",
+      "dev": true
     },
     "extsprintf": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
+      "dev": true
     },
     "fast-deep-equal": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
+      "dev": true
     },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
-      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I=",
+      "dev": true
     },
     "fast-levenshtein": {
       "version": "2.0.6",
@@ -1538,23 +1496,15 @@
       "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.0.6.tgz",
       "integrity": "sha512-q8BZ89jjc+mz08rSxROs8VsrBBcn1SIw1kq9NjolL509tkABRk9io01RAjSaEv1Xb2uFLt8VtRiZbGp5H8iDtg=="
     },
-    "fd-slicer": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
-      "integrity": "sha1-JcfInLH5B3+IkbvmHY85Dq4lbx4=",
-      "requires": {
-        "pend": "~1.2.0"
-      }
-    },
     "fecha": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/fecha/-/fecha-2.3.3.tgz",
       "integrity": "sha512-lUGBnIamTAwk4znq5BcqsDaxSmZ9nDVJaij6NvRt/Tg4R69gERA+otPKbS86ROw9nxVMw2/mp1fnaiWqbs6Sdg=="
     },
-    "file-type": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/file-type/-/file-type-5.2.0.tgz",
-      "integrity": "sha1-LdvqfHP/42No365J3DOMBYwritY="
+    "file-uri-to-path": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw=="
     },
     "finalhandler": {
       "version": "1.1.1",
@@ -1647,12 +1597,14 @@
     "forever-agent": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
-      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
+      "dev": true
     },
     "form-data": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
       "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
+      "dev": true,
       "requires": {
         "asynckit": "^0.4.0",
         "combined-stream": "^1.0.6",
@@ -1669,46 +1621,11 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
-    "fs-constants": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
-      "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow=="
-    },
-    "fs-extra": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-2.1.2.tgz",
-      "integrity": "sha1-BGxwFjzvmq1GsOSn+kZ/si1x3jU=",
-      "requires": {
-        "graceful-fs": "^4.1.2",
-        "jsonfile": "^2.1.0"
-      }
-    },
-    "fs-promise": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/fs-promise/-/fs-promise-2.0.3.tgz",
-      "integrity": "sha1-9k5PhUvPaJqovdy6JokW2z20aFQ=",
-      "requires": {
-        "any-promise": "^1.3.0",
-        "fs-extra": "^2.0.0",
-        "mz": "^2.6.0",
-        "thenify-all": "^1.6.0"
-      }
-    },
     "fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
-    },
-    "fstream": {
-      "version": "1.0.12",
-      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
-      "integrity": "sha512-WvJ193OHa0GHPEL+AycEJgxvBEwyfRkN1vhjca23OaPVMCaLCXTd5qAu82AjTcgP1UJmytkOKb63Ypde7raDIg==",
-      "requires": {
-        "graceful-fs": "^4.1.2",
-        "inherits": "~2.0.0",
-        "mkdirp": ">=0.5 0",
-        "rimraf": "2"
-      }
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
     },
     "function-bind": {
       "version": "1.1.1",
@@ -1736,15 +1653,11 @@
       "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=",
       "dev": true
     },
-    "get-stream": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz",
-      "integrity": "sha1-jpQ9E1jcN1VQVOy+LtsFqhdO3hQ="
-    },
     "getpass": {
       "version": "0.1.7",
       "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
       "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
+      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
       }
@@ -1753,6 +1666,7 @@
       "version": "7.1.4",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
       "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
+      "dev": true,
       "requires": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -1777,36 +1691,11 @@
       "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==",
       "dev": true
     },
-    "got": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/got/-/got-7.1.0.tgz",
-      "integrity": "sha512-Y5WMo7xKKq1muPsxD+KmrR8DH5auG7fBdDVueZwETwV6VytKyU9OX/ddpq2/1hp1vIPvVb4T81dKQz3BivkNLw==",
-      "requires": {
-        "decompress-response": "^3.2.0",
-        "duplexer3": "^0.1.4",
-        "get-stream": "^3.0.0",
-        "is-plain-obj": "^1.1.0",
-        "is-retry-allowed": "^1.0.0",
-        "is-stream": "^1.0.0",
-        "isurl": "^1.0.0-alpha5",
-        "lowercase-keys": "^1.0.0",
-        "p-cancelable": "^0.3.0",
-        "p-timeout": "^1.1.1",
-        "safe-buffer": "^5.0.1",
-        "timed-out": "^4.0.0",
-        "url-parse-lax": "^1.0.0",
-        "url-to-options": "^1.0.1"
-      }
-    },
     "graceful-fs": {
       "version": "4.1.15",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.15.tgz",
-      "integrity": "sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA=="
-    },
-    "graceful-readlink": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/graceful-readlink/-/graceful-readlink-1.0.1.tgz",
-      "integrity": "sha1-TK+tdrxi8C+gObL5Tpo906ORpyU="
+      "integrity": "sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==",
+      "dev": true
     },
     "growl": {
       "version": "1.10.5",
@@ -1829,12 +1718,14 @@
     "har-schema": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
-      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI="
+      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
+      "dev": true
     },
     "har-validator": {
       "version": "5.1.3",
       "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
       "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
+      "dev": true,
       "requires": {
         "ajv": "^6.5.5",
         "har-schema": "^2.0.0"
@@ -1854,24 +1745,11 @@
       "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
       "dev": true
     },
-    "has-symbol-support-x": {
-      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/has-symbol-support-x/-/has-symbol-support-x-1.4.2.tgz",
-      "integrity": "sha512-3ToOva++HaW+eCpgqZrCfN51IPB+7bJNVT6CUATzueB5Heb8o6Nam0V3HG5dlDvZU1Gn5QLcbahiKw/XVk5JJw=="
-    },
     "has-symbols": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.0.tgz",
       "integrity": "sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q="
     },
-    "has-to-string-tag-x": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/has-to-string-tag-x/-/has-to-string-tag-x-1.4.1.tgz",
-      "integrity": "sha512-vdbKfmw+3LoOYVr+mtxHaX5a96+0f3DljYd8JOqvOLsf5mw2Otda2qCDT9qRqLAhrjyQ0h7ual5nOiASpsGNFw==",
-      "requires": {
-        "has-symbol-support-x": "^1.4.1"
-      }
-    },
     "hash-base": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/hash-base/-/hash-base-3.0.4.tgz",
@@ -1932,15 +1810,11 @@
         "statuses": ">= 1.4.0 < 2"
       }
     },
-    "http-https": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/http-https/-/http-https-1.0.0.tgz",
-      "integrity": "sha1-L5CN1fHbQGjAWM1ubUzjkskTOJs="
-    },
     "http-signature": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
       "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
+      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0",
         "jsprim": "^1.2.2",
@@ -1967,11 +1841,6 @@
         }
       }
     },
-    "ieee754": {
-      "version": "1.1.13",
-      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.13.tgz",
-      "integrity": "sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg=="
-    },
     "imurmurhash": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/imurmurhash/-/imurmurhash-0.1.4.tgz",
@@ -1982,6 +1851,7 @@
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
       "requires": {
         "once": "^1.3.0",
         "wrappy": "1"
@@ -2047,21 +1917,6 @@
         "define-properties": "^1.1.1"
       }
     },
-    "is-natural-number": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/is-natural-number/-/is-natural-number-4.0.1.tgz",
-      "integrity": "sha1-q5124dtM7VHjXeDHLr7PCfc0zeg="
-    },
-    "is-object": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/is-object/-/is-object-1.0.1.tgz",
-      "integrity": "sha1-iVJojF7C/9awPsyF52ngKQMINHA="
-    },
-    "is-plain-obj": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-1.1.0.tgz",
-      "integrity": "sha1-caUMhCnfync8kqOQpKA7OfzVHT4="
-    },
     "is-regex": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
@@ -2070,11 +1925,6 @@
         "has": "^1.0.1"
       }
     },
-    "is-retry-allowed": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz",
-      "integrity": "sha1-EaBgVotnM5REAz0BJaYaINVk+zQ="
-    },
     "is-stream": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
@@ -2107,7 +1957,8 @@
     "isstream": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
-      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
+      "dev": true
     },
     "istanbul-lib-coverage": {
       "version": "2.0.5",
@@ -2240,19 +2091,10 @@
         "handlebars": "^4.1.2"
       }
     },
-    "isurl": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/isurl/-/isurl-1.0.0.tgz",
-      "integrity": "sha512-1P/yWsxPlDtn7QeRD+ULKQPaIaN6yF368GZ2vDfv0AL0NwpStafjWCDDdn0k8wgFMWpVAqG7oJhxHnlud42i9w==",
-      "requires": {
-        "has-to-string-tag-x": "^1.2.0",
-        "is-object": "^1.0.1"
-      }
-    },
     "js-sha3": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.6.1.tgz",
-      "integrity": "sha1-W4n3enR3Z5h39YxKB1JAk0sflcA="
+      "version": "0.5.7",
+      "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
+      "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc="
     },
     "js-tokens": {
       "version": "4.0.0",
@@ -2273,7 +2115,8 @@
     "jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
-      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
+      "dev": true
     },
     "jsesc": {
       "version": "2.5.2",
@@ -2290,24 +2133,36 @@
     "json-schema": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
-      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
+      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
+      "dev": true
     },
     "json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
-      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
+      "dev": true
     },
     "json-stringify-safe": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
-      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
+      "dev": true
     },
-    "jsonfile": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
-      "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
+    "json5": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
+      "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+      "dev": true,
       "requires": {
-        "graceful-fs": "^4.1.6"
+        "minimist": "^1.2.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        }
       }
     },
     "jsonpath": {
@@ -2331,6 +2186,7 @@
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
       "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
+      "dev": true,
       "requires": {
         "assert-plus": "1.0.0",
         "extsprintf": "1.3.0",
@@ -2349,13 +2205,15 @@
       "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.0.tgz",
       "integrity": "sha512-6hHxsp9e6zQU8nXsP+02HGWXwTkOEw6IROhF2ZA28cYbUk4eJ6QbtZvdqZOdD9YPKghG3apk5eOCvs+tLl3lRg=="
     },
-    "keccakjs": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/keccakjs/-/keccakjs-0.2.3.tgz",
-      "integrity": "sha512-BjLkNDcfaZ6l8HBG9tH0tpmDv3sS2mA7FNQxFHpCdzP3Gb2MVruXBSuoM66SnVxKJpAr5dKGdkHD+bDokt8fTg==",
+    "keccak": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/keccak/-/keccak-1.4.0.tgz",
+      "integrity": "sha512-eZVaCpblK5formjPjeTBik7TAg+pqnDrMHIffSvi9Lh7PQgM1+hSzakUeZFCk9DVVG0dacZJuaz2ntwlzZUIBw==",
       "requires": {
-        "browserify-sha3": "^0.0.4",
-        "sha3": "^1.2.2"
+        "bindings": "^1.2.1",
+        "inherits": "^2.0.3",
+        "nan": "^2.2.1",
+        "safe-buffer": "^5.1.0"
       }
     },
     "kuler": {
@@ -2472,11 +2330,6 @@
       "resolved": "https://registry.npmjs.org/long-timeout/-/long-timeout-0.1.1.tgz",
       "integrity": "sha1-lyHXiLR+C8taJMLivuGg2lXatRQ="
     },
-    "lowercase-keys": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
-      "integrity": "sha512-G2Lj61tXDnVFFOi8VZds+SoQjtQC3dgokKdDG2mTm1tx4m50NUHBOZSBwQQHyy0V12A0JTG4icfZQH+xPyh8VA=="
-    },
     "lru-cache": {
       "version": "4.1.5",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
@@ -2487,21 +2340,6 @@
         "yallist": "^2.1.2"
       }
     },
-    "make-dir": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-1.3.0.tgz",
-      "integrity": "sha512-2w31R7SJtieJJnQtGc7RVL2StM2vGYVfqUOvUDxH6bC6aJTxPxTF0GnIgCyu7tjockiUWAYQRbxa7vKn34s5sQ==",
-      "requires": {
-        "pify": "^3.0.0"
-      },
-      "dependencies": {
-        "pify": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
-        }
-      }
-    },
     "make-error": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/make-error/-/make-error-1.3.5.tgz",
@@ -2575,15 +2413,6 @@
       "resolved": "https://registry.npmjs.org/methods/-/methods-1.1.2.tgz",
       "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4="
     },
-    "miller-rabin": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/miller-rabin/-/miller-rabin-4.0.1.tgz",
-      "integrity": "sha512-115fLhvZVqWwHPbClyntxEVfVDfl9DLLTuJvq3g2O/Oxi8AiNouAHvDSzHS0viUJc+V5vm3eq91Xwqn9dp4jRA==",
-      "requires": {
-        "bn.js": "^4.0.0",
-        "brorand": "^1.0.1"
-      }
-    },
     "mime": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.4.1.tgz",
@@ -2635,6 +2464,7 @@
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
       "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"
       }
@@ -2642,24 +2472,18 @@
     "minimist": {
       "version": "0.0.8",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+      "dev": true
     },
     "mkdirp": {
       "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "dev": true,
       "requires": {
         "minimist": "0.0.8"
       }
     },
-    "mkdirp-promise": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/mkdirp-promise/-/mkdirp-promise-5.0.1.tgz",
-      "integrity": "sha1-6bj2jlUsaKnBcTuEiD96HdA5uKE=",
-      "requires": {
-        "mkdirp": "*"
-      }
-    },
     "mocha": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.2.0.tgz",
@@ -2710,11 +2534,6 @@
         }
       }
     },
-    "mock-fs": {
-      "version": "4.10.1",
-      "resolved": "https://registry.npmjs.org/mock-fs/-/mock-fs-4.10.1.tgz",
-      "integrity": "sha512-w22rOL5ZYu6HbUehB5deurghGM0hS/xBVyHMGKOuQctkk93J9z9VEOhDsiWrXOprVNQpP9uzGKdl8v9mFspKuw=="
-    },
     "moment": {
       "version": "2.24.0",
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.24.0.tgz",
@@ -2794,11 +2613,6 @@
       "resolved": "https://registry.npmjs.org/mongoose-legacy-pluralize/-/mongoose-legacy-pluralize-1.0.2.tgz",
       "integrity": "sha512-Yo/7qQU4/EyIS8YDFSeenIvXxZN+ld7YdV9LqFVQJzTLye8unujAWPZ4NWKfFA+RNjh+wvTWKY9Z3E5XM6ZZiQ=="
     },
-    "mout": {
-      "version": "0.11.1",
-      "resolved": "https://registry.npmjs.org/mout/-/mout-0.11.1.tgz",
-      "integrity": "sha1-ujYR318OWx/7/QEWa48C0fX6K5k="
-    },
     "mpath": {
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/mpath/-/mpath-0.5.1.tgz",
@@ -2828,26 +2642,11 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
-    "mz": {
-      "version": "2.7.0",
-      "resolved": "https://registry.npmjs.org/mz/-/mz-2.7.0.tgz",
-      "integrity": "sha512-z81GNO7nnYMEhrGh9LeymoE4+Yr0Wn5McHIZMK5cfQCl+NDX08sCZgUc9/6MHni9IWuFLm1Z3HTCXu2z9fN62Q==",
-      "requires": {
-        "any-promise": "^1.0.0",
-        "object-assign": "^4.0.1",
-        "thenify-all": "^1.0.0"
-      }
-    },
     "nan": {
       "version": "2.13.2",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.13.2.tgz",
       "integrity": "sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw=="
     },
-    "nano-json-stream-parser": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/nano-json-stream-parser/-/nano-json-stream-parser-0.1.2.tgz",
-      "integrity": "sha1-DMj20OK2IrR5xA1JnEbWS3Vcb18="
-    },
     "negotiator": {
       "version": "0.6.2",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
@@ -3022,7 +2821,7 @@
         },
         "resolve-from": {
           "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
+          "resolved": false,
           "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==",
           "dev": true
         }
@@ -3031,7 +2830,8 @@
     "oauth-sign": {
       "version": "0.9.0",
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
-      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ=="
+      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==",
+      "dev": true
     },
     "object-assign": {
       "version": "4.1.1",
@@ -3043,14 +2843,6 @@
       "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
       "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA=="
     },
-    "oboe": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/oboe/-/oboe-2.1.3.tgz",
-      "integrity": "sha1-K0hl29Rr6BIlcT9Om/5Lz09oCk8=",
-      "requires": {
-        "http-https": "^1.0.0"
-      }
-    },
     "on-finished": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
@@ -3120,11 +2912,6 @@
         "mem": "^4.0.0"
       }
     },
-    "p-cancelable": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/p-cancelable/-/p-cancelable-0.3.0.tgz",
-      "integrity": "sha512-RVbZPLso8+jFeq1MfNvgXtCRED2raz/dKpacfTNxsx6pLEpEomM7gah6VeHSYV3+vo0OAi4MkArtQcWWXuQoyw=="
-    },
     "p-defer": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
@@ -3134,7 +2921,8 @@
     "p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
-      "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4="
+      "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4=",
+      "dev": true
     },
     "p-is-promise": {
       "version": "2.1.0",
@@ -3160,14 +2948,6 @@
         "p-limit": "^2.0.0"
       }
     },
-    "p-timeout": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-1.2.1.tgz",
-      "integrity": "sha1-XrOzU7f86Z8QGhA4iAuwVOu+o4Y=",
-      "requires": {
-        "p-finally": "^1.0.0"
-      }
-    },
     "p-try": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
@@ -3186,19 +2966,6 @@
         "release-zalgo": "^1.0.0"
       }
     },
-    "parse-asn1": {
-      "version": "5.1.4",
-      "resolved": "https://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.4.tgz",
-      "integrity": "sha512-Qs5duJcuvNExRfFZ99HDD3z4mAi3r9Wl/FOjEOijlxwCZs7E7mW2vjTpgQ4J8LpTF8x5v+1Vn5UQFejmWT11aw==",
-      "requires": {
-        "asn1.js": "^4.0.0",
-        "browserify-aes": "^1.0.0",
-        "create-hash": "^1.1.0",
-        "evp_bytestokey": "^1.0.0",
-        "pbkdf2": "^3.0.3",
-        "safe-buffer": "^5.1.1"
-      }
-    },
     "parse-headers": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/parse-headers/-/parse-headers-2.0.2.tgz",
@@ -3232,7 +2999,8 @@
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
     },
     "path-key": {
       "version": "2.0.1",
@@ -3286,33 +3054,11 @@
         "sha.js": "^2.4.8"
       }
     },
-    "pend": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz",
-      "integrity": "sha1-elfrVQpng/kRUzH89GY9XI4AelA="
-    },
     "performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
-    },
-    "pify": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-      "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
-    },
-    "pinkie": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/pinkie/-/pinkie-2.0.4.tgz",
-      "integrity": "sha1-clVrgM+g1IqXToDnckjoDtT3+HA="
-    },
-    "pinkie-promise": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz",
-      "integrity": "sha1-ITXW36ejWMBprJsXh3YogihFD/o=",
-      "requires": {
-        "pinkie": "^2.0.0"
-      }
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
+      "dev": true
     },
     "pkg-dir": {
       "version": "3.0.0",
@@ -3328,14 +3074,9 @@
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
       "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ="
     },
-    "prepend-http": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-1.0.4.tgz",
-      "integrity": "sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw="
-    },
     "pretty-hrtime": {
       "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
+      "resolved": "http://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
       "integrity": "sha1-t+PqQkNaTJsnWdmeDyAesZWALuE="
     },
     "process": {
@@ -3372,27 +3113,8 @@
     "psl": {
       "version": "1.1.32",
       "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.32.tgz",
-      "integrity": "sha512-MHACAkHpihU/REGGPLj4sEfc/XKW2bheigvHO1dUqjaKigMp1C8+WLQYRGgeKFMsw5PMfegZcaN8IDXK/cD0+g=="
-    },
-    "public-encrypt": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.3.tgz",
-      "integrity": "sha512-zVpa8oKZSz5bTMTFClc1fQOnyyEzpl5ozpi1B5YcvBrdohMjH2rfsBtyXcuNuwjsDIXmBYlF2N5FlJYhR29t8Q==",
-      "requires": {
-        "bn.js": "^4.1.0",
-        "browserify-rsa": "^4.0.0",
-        "create-hash": "^1.1.0",
-        "parse-asn1": "^5.0.0",
-        "randombytes": "^2.0.1",
-        "safe-buffer": "^5.1.2"
-      },
-      "dependencies": {
-        "safe-buffer": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
-        }
-      }
+      "integrity": "sha512-MHACAkHpihU/REGGPLj4sEfc/XKW2bheigvHO1dUqjaKigMp1C8+WLQYRGgeKFMsw5PMfegZcaN8IDXK/cD0+g==",
+      "dev": true
     },
     "pump": {
       "version": "3.0.0",
@@ -3407,7 +3129,8 @@
     "punycode": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
-      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
+      "dev": true
     },
     "qs": {
       "version": "6.5.1",
@@ -3424,6 +3147,11 @@
         "strict-uri-encode": "^1.0.0"
       }
     },
+    "querystringify": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/querystringify/-/querystringify-2.1.1.tgz",
+      "integrity": "sha512-w7fLxIRCRT7U8Qu53jQnJyPkYZIaR4n5151KMfcJlO/A9397Wxb1amJvROTK6TOnp7PfoAmg/qXiNHI+08jRfA=="
+    },
     "randombytes": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
@@ -3432,20 +3160,6 @@
         "safe-buffer": "^5.1.0"
       }
     },
-    "randomfill": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/randomfill/-/randomfill-1.0.4.tgz",
-      "integrity": "sha512-87lcbR8+MhcWcUiQ+9e+Rwx8MyR2P7qnt15ynUlbm3TU/fjbgz4GsvfSUDTemtCCtVCqb4ZcEFlyPNTh9bBTLw==",
-      "requires": {
-        "randombytes": "^2.0.5",
-        "safe-buffer": "^5.1.0"
-      }
-    },
-    "randomhex": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/randomhex/-/randomhex-0.1.5.tgz",
-      "integrity": "sha1-us7vmCMpCRQA8qKRLGzQLxCU9YU="
-    },
     "range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -3520,6 +3234,11 @@
         "util-deprecate": "~1.0.1"
       }
     },
+    "regenerator-runtime": {
+      "version": "0.13.2",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.2.tgz",
+      "integrity": "sha512-S/TQAZJO+D3m9xeN1WTI8dLKBBiRgXBlTJvbWjCThHWZj9EvHK70Ff50/tYj2J/fvBY6JtFVwRuazHN2E7M9BA=="
+    },
     "regexp-clone": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/regexp-clone/-/regexp-clone-0.0.1.tgz",
@@ -3538,6 +3257,7 @@
       "version": "2.88.0",
       "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
       "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
+      "dev": true,
       "requires": {
         "aws-sign2": "~0.7.0",
         "aws4": "^1.8.0",
@@ -3564,12 +3284,14 @@
         "qs": {
           "version": "6.5.2",
           "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
+          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
+          "dev": true
         },
         "safe-buffer": {
           "version": "5.1.2",
           "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+          "dev": true
         }
       }
     },
@@ -3594,6 +3316,11 @@
         "semver": "^5.1.0"
       }
     },
+    "requires-port": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
+      "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8="
+    },
     "resolve": {
       "version": "1.11.0",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.11.0.tgz",
@@ -3612,6 +3339,7 @@
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
       "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
+      "dev": true,
       "requires": {
         "glob": "^7.1.3"
       }
@@ -3625,6 +3353,23 @@
         "inherits": "^2.0.1"
       }
     },
+    "rlp": {
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/rlp/-/rlp-2.2.3.tgz",
+      "integrity": "sha512-l6YVrI7+d2vpW6D6rS05x2Xrmq8oW7v3pieZOJKBEdjuTF4Kz/iwk55Zyh1Zaz+KOB2kC8+2jZlp2u9L4tTzCQ==",
+      "requires": {
+        "bn.js": "^4.11.1",
+        "safe-buffer": "^5.1.1"
+      }
+    },
+    "rxjs": {
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.2.tgz",
+      "integrity": "sha512-HUb7j3kvb7p7eCUHE3FqjoDsC1xfZQ4AHFWfTKSpZ+sAhhz5X1WX0ZuUqWbzB2QhSLp3DoLUG+hMdEDKqWo2Zg==",
+      "requires": {
+        "tslib": "^1.9.0"
+      }
+    },
     "safe-buffer": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
@@ -3633,7 +3378,8 @@
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true
     },
     "saslprep": {
       "version": "1.0.3",
@@ -3648,19 +3394,20 @@
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/scrypt/-/scrypt-6.0.3.tgz",
       "integrity": "sha1-BOAUpWgrU/pQwtXM4WfXGcBthw0=",
+      "optional": true,
       "requires": {
         "nan": "^2.0.8"
       }
     },
     "scrypt-js": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.3.tgz",
-      "integrity": "sha1-uwBAvgMEPamgEqLOqfyfhSz8h9Q="
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-2.0.4.tgz",
+      "integrity": "sha512-4KsaGcPnuhtCZQCxFxN3GVYIhKFPTdLd8PLC552XwbMndtD0cjRFAhDuuydXQ0h08ZfPgzqe6EKHozpuH74iDw=="
     },
     "scrypt.js": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/scrypt.js/-/scrypt.js-0.2.0.tgz",
-      "integrity": "sha1-r40UZbcemZARC+38WTuUeeA6ito=",
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/scrypt.js/-/scrypt.js-0.3.0.tgz",
+      "integrity": "sha512-42LTc1nyFsyv/o0gcHtDztrn+aqpkaCNt5Qh7ATBZfhEZU7IC/0oT/qbBH+uRNoAPvs2fwiOId68FDEoSRA8/A==",
       "requires": {
         "scrypt": "^6.0.2",
         "scryptsy": "^1.2.1"
@@ -3674,21 +3421,30 @@
         "pbkdf2": "^3.0.3"
       }
     },
-    "seek-bzip": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/seek-bzip/-/seek-bzip-1.0.5.tgz",
-      "integrity": "sha1-z+kXyz0nS8/6x5J1ivUxc+sfq9w=",
+    "secp256k1": {
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-3.7.1.tgz",
+      "integrity": "sha512-1cf8sbnRreXrQFdH6qsg2H71Xw91fCCS9Yp021GnUNJzWJS/py96fS4lHbnTnouLp08Xj6jBoBB6V78Tdbdu5g==",
       "requires": {
-        "commander": "~2.8.1"
+        "bindings": "^1.5.0",
+        "bip66": "^1.1.5",
+        "bn.js": "^4.11.8",
+        "create-hash": "^1.2.0",
+        "drbg.js": "^1.0.1",
+        "elliptic": "^6.4.1",
+        "nan": "^2.14.0",
+        "safe-buffer": "^5.1.2"
       },
       "dependencies": {
-        "commander": {
-          "version": "2.8.1",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.8.1.tgz",
-          "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
-          "requires": {
-            "graceful-readlink": ">= 1.0.0"
-          }
+        "nan": {
+          "version": "2.14.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
+        },
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
         }
       }
     },
@@ -3738,18 +3494,6 @@
         "send": "0.16.2"
       }
     },
-    "servify": {
-      "version": "0.1.12",
-      "resolved": "https://registry.npmjs.org/servify/-/servify-0.1.12.tgz",
-      "integrity": "sha512-/xE6GvsKKqyo1BAY+KxOWXcLpPsUUyji7Qg3bVD7hh1eRze5bR1uYiuDA/k3Gof1s9BTzQZEJK8sNcNGFIzeWw==",
-      "requires": {
-        "body-parser": "^1.16.0",
-        "cors": "^2.8.1",
-        "express": "^4.14.0",
-        "request": "^2.79.0",
-        "xhr": "^2.3.3"
-      }
-    },
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
@@ -3757,9 +3501,9 @@
       "dev": true
     },
     "setimmediate": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
-      "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.4.tgz",
+      "integrity": "sha1-IOgd5iLUoCWIzgyNqJc8vPHTE48="
     },
     "setprototypeof": {
       "version": "1.1.0",
@@ -3775,14 +3519,6 @@
         "safe-buffer": "^5.0.1"
       }
     },
-    "sha3": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/sha3/-/sha3-1.2.3.tgz",
-      "integrity": "sha512-sOWDZi8cDBRkLfWOw18wvJyNblXDHzwMGnRWut8zNNeIeLnmMRO17bjpLc7OzMuj1ASUgx2IyohzUCAl+Kx5vA==",
-      "requires": {
-        "nan": "2.13.2"
-      }
-    },
     "shebang-command": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
@@ -3940,6 +3676,7 @@
       "version": "1.16.1",
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
       "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
+      "dev": true,
       "requires": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
@@ -4019,14 +3756,6 @@
       "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
       "dev": true
     },
-    "strip-dirs": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/strip-dirs/-/strip-dirs-2.1.0.tgz",
-      "integrity": "sha512-JOCxOeKLm2CAS73y/U4ZeZPTkE+gNVCzKt7Eox84Iej1LT/2pTWYpZKJuxwQpvX1LiZb1xokNR7RLfuBAa7T3g==",
-      "requires": {
-        "is-natural-number": "^4.0.1"
-      }
-    },
     "strip-eof": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
@@ -4050,69 +3779,6 @@
         "has-flag": "^3.0.0"
       }
     },
-    "swarm-js": {
-      "version": "0.1.37",
-      "resolved": "https://registry.npmjs.org/swarm-js/-/swarm-js-0.1.37.tgz",
-      "integrity": "sha512-G8gi5fcXP/2upwiuOShJ258sIufBVztekgobr3cVgYXObZwJ5AXLqZn52AI+/ffft29pJexF9WNdUxjlkVehoQ==",
-      "requires": {
-        "bluebird": "^3.5.0",
-        "buffer": "^5.0.5",
-        "decompress": "^4.0.0",
-        "eth-lib": "^0.1.26",
-        "fs-extra": "^2.1.2",
-        "fs-promise": "^2.0.0",
-        "got": "^7.1.0",
-        "mime-types": "^2.1.16",
-        "mkdirp-promise": "^5.0.1",
-        "mock-fs": "^4.1.0",
-        "setimmediate": "^1.0.5",
-        "tar.gz": "^1.0.5",
-        "xhr-request-promise": "^0.1.2"
-      }
-    },
-    "tar": {
-      "version": "2.2.2",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
-      "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
-      "requires": {
-        "block-stream": "*",
-        "fstream": "^1.0.12",
-        "inherits": "2"
-      }
-    },
-    "tar-stream": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.2.tgz",
-      "integrity": "sha512-rzS0heiNf8Xn7/mpdSVVSMAWAoy9bfb1WOTYC78Z0UQKeKa/CWS8FOq0lKGNa8DWKAn9gxjCvMLYc5PGXYlK2A==",
-      "requires": {
-        "bl": "^1.0.0",
-        "buffer-alloc": "^1.2.0",
-        "end-of-stream": "^1.0.0",
-        "fs-constants": "^1.0.0",
-        "readable-stream": "^2.3.0",
-        "to-buffer": "^1.1.1",
-        "xtend": "^4.0.0"
-      }
-    },
-    "tar.gz": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/tar.gz/-/tar.gz-1.0.7.tgz",
-      "integrity": "sha512-uhGatJvds/3diZrETqMj4RxBR779LKlIE74SsMcn5JProZsfs9j0QBwWO1RW+IWNJxS2x8Zzra1+AW6OQHWphg==",
-      "requires": {
-        "bluebird": "^2.9.34",
-        "commander": "^2.8.1",
-        "fstream": "^1.0.8",
-        "mout": "^0.11.0",
-        "tar": "^2.1.1"
-      },
-      "dependencies": {
-        "bluebird": {
-          "version": "2.11.0",
-          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-2.11.0.tgz",
-          "integrity": "sha1-U0uQM8AiyVecVro7Plpcqvu2UOE="
-        }
-      }
-    },
     "test-exclude": {
       "version": "5.2.3",
       "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-5.2.3.tgz",
@@ -4130,37 +3796,11 @@
       "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
       "integrity": "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg=="
     },
-    "thenify": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.0.tgz",
-      "integrity": "sha1-5p44obq+lpsBCCB5eLn2K4hgSDk=",
-      "requires": {
-        "any-promise": "^1.0.0"
-      }
-    },
-    "thenify-all": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/thenify-all/-/thenify-all-1.6.0.tgz",
-      "integrity": "sha1-GhkY1ALY/D+Y+/I02wvMjMEOlyY=",
-      "requires": {
-        "thenify": ">= 3.1.0 < 4"
-      }
-    },
-    "through": {
-      "version": "2.3.8",
-      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
-      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU="
-    },
     "timed-out": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/timed-out/-/timed-out-4.0.1.tgz",
       "integrity": "sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8="
     },
-    "to-buffer": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
-      "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg=="
-    },
     "to-fast-properties": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
@@ -4171,6 +3811,7 @@
       "version": "2.4.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
       "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
+      "dev": true,
       "requires": {
         "psl": "^1.1.24",
         "punycode": "^1.4.1"
@@ -4179,7 +3820,8 @@
         "punycode": {
           "version": "1.4.1",
           "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
-          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
+          "dev": true
         }
       }
     },
@@ -4215,11 +3857,31 @@
         }
       }
     },
+    "tsconfig-paths": {
+      "version": "3.8.0",
+      "resolved": "https://registry.npmjs.org/tsconfig-paths/-/tsconfig-paths-3.8.0.tgz",
+      "integrity": "sha512-zZEYFo4sjORK8W58ENkRn9s+HmQFkkwydDG7My5s/fnfr2YYCaiyXe/HBUcIgU8epEKOXwiahOO+KZYjiXlWyQ==",
+      "dev": true,
+      "requires": {
+        "@types/json5": "^0.0.29",
+        "deepmerge": "^2.0.1",
+        "json5": "^1.0.1",
+        "minimist": "^1.2.0",
+        "strip-bom": "^3.0.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "dev": true
+        }
+      }
+    },
     "tslib": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
-      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
-      "dev": true
+      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ=="
     },
     "tslint": {
       "version": "5.17.0",
@@ -4255,6 +3917,7 @@
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "dev": true,
       "requires": {
         "safe-buffer": "^5.0.1"
       }
@@ -4262,7 +3925,8 @@
     "tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
+      "dev": true
     },
     "type-check": {
       "version": "0.3.2",
@@ -4312,20 +3976,6 @@
         "source-map": "~0.6.1"
       }
     },
-    "ultron": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
-      "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
-    },
-    "unbzip2-stream": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/unbzip2-stream/-/unbzip2-stream-1.3.3.tgz",
-      "integrity": "sha512-fUlAF7U9Ah1Q6EieQ4x4zLNejrRvDWUYmxXUpN3uziFYCHapjWFaCAnreY9bGgxzaMCFAPPpYNng57CypwJVhg==",
-      "requires": {
-        "buffer": "^5.2.1",
-        "through": "^2.3.8"
-      }
-    },
     "underscore": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.7.0.tgz",
@@ -4340,16 +3990,18 @@
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }
     },
-    "url-parse-lax": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-1.0.0.tgz",
-      "integrity": "sha1-evjzA2Rem9eaJy56FKxovAYJ2nM=",
+    "url-parse": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.4.tgz",
+      "integrity": "sha512-/92DTTorg4JjktLNLe6GPS2/RvAd/RGr6LuktmWSMLEOa6rjnlrFXNgSbSmkNvCoL2T028A0a1JaJLzRMlFoHg==",
       "requires": {
-        "prepend-http": "^1.0.1"
+        "querystringify": "^2.0.0",
+        "requires-port": "^1.0.0"
       }
     },
     "url-set-query": {
@@ -4357,11 +4009,6 @@
       "resolved": "https://registry.npmjs.org/url-set-query/-/url-set-query-1.0.0.tgz",
       "integrity": "sha1-AW6M/Xwg7gXK/neV6JK9BwL6ozk="
     },
-    "url-to-options": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/url-to-options/-/url-to-options-1.0.1.tgz",
-      "integrity": "sha1-FQWgOiiaSMvXpDTvuu7FBV9WM6k="
-    },
     "utf8": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.1.tgz",
@@ -4401,6 +4048,7 @@
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "dev": true,
       "requires": {
         "assert-plus": "^1.0.0",
         "core-util-is": "1.0.2",
@@ -4408,327 +4056,218 @@
       }
     },
     "web3": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3/-/web3-1.0.0-beta.36.tgz",
-      "integrity": "sha512-fZDunw1V0AQS27r5pUN3eOVP7u8YAvyo6vOapdgVRolAu5LgaweP7jncYyLINqIX9ZgWdS5A090bt+ymgaYHsw==",
-      "requires": {
-        "web3-bzz": "1.0.0-beta.36",
-        "web3-core": "1.0.0-beta.36",
-        "web3-eth": "1.0.0-beta.36",
-        "web3-eth-personal": "1.0.0-beta.36",
-        "web3-net": "1.0.0-beta.36",
-        "web3-shh": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
-      }
-    },
-    "web3-bzz": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-bzz/-/web3-bzz-1.0.0-beta.36.tgz",
-      "integrity": "sha512-clDRS/ziboJ5ytnrfxq80YSu9HQsT0vggnT3BkoXadrauyEE/9JNLxRu016jjUxqdkfdv4MgIPDdOS3Bv2ghiw==",
-      "requires": {
-        "got": "7.1.0",
-        "swarm-js": "0.1.37",
-        "underscore": "1.8.3"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3/-/web3-1.0.0-beta.55.tgz",
+      "integrity": "sha512-yJpwy4IUA3T/F9hWzYQVn0GbJCrAaZ0KTIO3iuqkhaYH0Y09KV7k4GzFi4hN7hT4cFTj4yIKaeVCwQ5kzvi2Vg==",
+      "requires": {
+        "@babel/runtime": "^7.3.1",
+        "@types/node": "^10.12.18",
+        "web3-core": "1.0.0-beta.55",
+        "web3-eth": "1.0.0-beta.55",
+        "web3-eth-personal": "1.0.0-beta.55",
+        "web3-net": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-shh": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-core": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-core/-/web3-core-1.0.0-beta.36.tgz",
-      "integrity": "sha512-C2QW9CMMRZdYAiKiLkMrKRSp+gekSqTDgZTNvlxAdN1hXn4d9UmcmWSJXOmIHqr5N2ISbRod+bW+qChODxVE3Q==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-core/-/web3-core-1.0.0-beta.55.tgz",
+      "integrity": "sha512-AMMp7TLEtE7u8IJAu/THrRhBTZyZzeo7Y6GiWYNwb5+KStC9hIGLr9cI1KX9R6ZioTOLRHrqT7awDhnJ1ku2mg==",
       "requires": {
-        "web3-core-helpers": "1.0.0-beta.36",
-        "web3-core-method": "1.0.0-beta.36",
-        "web3-core-requestmanager": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
+        "@babel/runtime": "^7.3.1",
+        "@types/bn.js": "^4.11.4",
+        "@types/node": "^10.12.18",
+        "lodash": "^4.17.11",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-core-helpers": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.36.tgz",
-      "integrity": "sha512-gu74l0htiGWuxLQuMnZqKToFvkSM+UFPE7qUuy1ZosH/h2Jd+VBWg6k4CyNYVYfP0hL5x3CN8SBmB+HMowo55A==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-core-helpers/-/web3-core-helpers-1.0.0-beta.55.tgz",
+      "integrity": "sha512-suj9Xy/lIqajaYLJTEjr2rlFgu6hGYwChHmf8+qNrC2luZA6kirTamtB9VThWMxbywx7p0bqQFjW6zXogAgWhg==",
       "requires": {
-        "underscore": "1.8.3",
-        "web3-eth-iban": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+        "@babel/runtime": "^7.3.1",
+        "lodash": "^4.17.11",
+        "web3-core": "1.0.0-beta.55",
+        "web3-eth-iban": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-core-method": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-core-method/-/web3-core-method-1.0.0-beta.36.tgz",
-      "integrity": "sha512-dJsP3KkGaqBBSdxfzvLsYPOmVaSs1lR/3oKob/gtUYG7UyTnwquwliAc7OXj+gqRA2E/FHZcM83cWdl31ltdSA==",
-      "requires": {
-        "underscore": "1.8.3",
-        "web3-core-helpers": "1.0.0-beta.36",
-        "web3-core-promievent": "1.0.0-beta.36",
-        "web3-core-subscriptions": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
-      }
-    },
-    "web3-core-promievent": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-core-promievent/-/web3-core-promievent-1.0.0-beta.36.tgz",
-      "integrity": "sha512-RGIL6TjcOeJTullFLMurChPTsg94cPF6LI763y/sPYtXTDol1vVa+J5aGLp/4WW8v+s+1bSQO6zYq2ZtkbmtEQ==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-core-method/-/web3-core-method-1.0.0-beta.55.tgz",
+      "integrity": "sha512-w1cW/s2ji9qGELHk2uMJCn1ooay0JJLVoPD1nvmsW6OTRWcVjxa62nJrFQhe6P5lEb83Xk9oHgmCxZoVUHibOw==",
       "requires": {
-        "any-promise": "1.3.0",
-        "eventemitter3": "1.1.1"
-      }
-    },
-    "web3-core-requestmanager": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-core-requestmanager/-/web3-core-requestmanager-1.0.0-beta.36.tgz",
-      "integrity": "sha512-/CHuaMbiMDu1v8ANGYI7yFCnh1GaCWx5pKnUPJf+QTk2xAAw+Bvd97yZJIWPOK5AOPUIzxgwx9Ob/5ln6mTmYA==",
-      "requires": {
-        "underscore": "1.8.3",
-        "web3-core-helpers": "1.0.0-beta.36",
-        "web3-providers-http": "1.0.0-beta.36",
-        "web3-providers-ipc": "1.0.0-beta.36",
-        "web3-providers-ws": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+        "@babel/runtime": "^7.3.1",
+        "eventemitter3": "3.1.0",
+        "lodash": "^4.17.11",
+        "rxjs": "^6.4.0",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-subscriptions": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-core-subscriptions": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.36.tgz",
-      "integrity": "sha512-/evyLQ8CMEYXC5aUCodDpmEnmGVYQxaIjiEIfA/85f9ifHkfzP1aOwCAjcsLsJWnwrWDagxSpjCYrDtnNabdEw==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.55.tgz",
+      "integrity": "sha512-pb3oQbUzK7IoyXwag8TYInQddg0rr7BHxKc+Pbs/92hVNQ5ps4iGMVJKezdrjlQ1IJEEUiDIglXl4LZ1hIuMkw==",
       "requires": {
-        "eventemitter3": "1.1.1",
-        "underscore": "1.8.3",
-        "web3-core-helpers": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+        "@babel/runtime": "^7.3.1",
+        "eventemitter3": "^3.1.0",
+        "lodash": "^4.17.11"
       }
     },
     "web3-eth": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-eth/-/web3-eth-1.0.0-beta.36.tgz",
-      "integrity": "sha512-uEa0UnbnNHUB4N2O1U+LsvxzSPJ/w3azy5115IseaUdDaiz6IFFgFfFP3ssauayQNCf7v2F44GXLfPhrNeb/Sw==",
-      "requires": {
-        "underscore": "1.8.3",
-        "web3-core": "1.0.0-beta.36",
-        "web3-core-helpers": "1.0.0-beta.36",
-        "web3-core-method": "1.0.0-beta.36",
-        "web3-core-subscriptions": "1.0.0-beta.36",
-        "web3-eth-abi": "1.0.0-beta.36",
-        "web3-eth-accounts": "1.0.0-beta.36",
-        "web3-eth-contract": "1.0.0-beta.36",
-        "web3-eth-ens": "1.0.0-beta.36",
-        "web3-eth-iban": "1.0.0-beta.36",
-        "web3-eth-personal": "1.0.0-beta.36",
-        "web3-net": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-eth/-/web3-eth-1.0.0-beta.55.tgz",
+      "integrity": "sha512-F3zJ9I1gOgQdNGfi2Dy2lmj6OqCMJoRN01XHhQZagq0HY1JYMfObtfMi5E3L+qsegsSddHbqp4YY57tKx6uxpA==",
+      "requires": {
+        "@babel/runtime": "^7.3.1",
+        "ethereumjs-tx": "^1.3.7",
+        "rxjs": "^6.4.0",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-core-subscriptions": "1.0.0-beta.55",
+        "web3-eth-abi": "1.0.0-beta.55",
+        "web3-eth-accounts": "1.0.0-beta.55",
+        "web3-eth-contract": "1.0.0-beta.55",
+        "web3-eth-ens": "1.0.0-beta.55",
+        "web3-eth-iban": "1.0.0-beta.55",
+        "web3-eth-personal": "1.0.0-beta.55",
+        "web3-net": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-eth-abi": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.36.tgz",
-      "integrity": "sha512-fBfW+7hvA0rxEMV45fO7JU+0R32ayT7aRwG9Cl6NW2/QvhFeME2qVbMIWw0q5MryPZGIN8A6366hKNuWvVidDg==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-eth-abi/-/web3-eth-abi-1.0.0-beta.55.tgz",
+      "integrity": "sha512-3h1xnm/vYmKUXTOYAOP0OsB5uijQV76pNNRGKOB6Dq6GR1pbcbD3WrB/4I643YA8l91t5FRzFzUiA3S77R2iqw==",
       "requires": {
-        "ethers": "4.0.0-beta.1",
-        "underscore": "1.8.3",
-        "web3-utils": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+        "@babel/runtime": "^7.3.1",
+        "ethers": "^4.0.27",
+        "lodash": "^4.17.11",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-eth-accounts": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.36.tgz",
-      "integrity": "sha512-MmgIlBEZ0ILLWV4+wfMrbeVVMU/VmQnCpgSDcw7wHKOKu47bKncJ6rVqVsUbC6d9F613Rios+Yj2Ua6SCHtmrg==",
-      "requires": {
-        "any-promise": "1.3.0",
-        "crypto-browserify": "3.12.0",
-        "eth-lib": "0.2.7",
-        "scrypt.js": "0.2.0",
-        "underscore": "1.8.3",
-        "uuid": "2.0.1",
-        "web3-core": "1.0.0-beta.36",
-        "web3-core-helpers": "1.0.0-beta.36",
-        "web3-core-method": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "eth-lib": {
-          "version": "0.2.7",
-          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
-          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
-          "requires": {
-            "bn.js": "^4.11.6",
-            "elliptic": "^6.4.0",
-            "xhr-request-promise": "^0.1.2"
-          }
-        },
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        },
-        "uuid": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.1.tgz",
-          "integrity": "sha1-wqMN7bPlNdcsz4LjQ5QaULqFM6w="
-        }
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-eth-accounts/-/web3-eth-accounts-1.0.0-beta.55.tgz",
+      "integrity": "sha512-VfzvwpSDHXqRVelIxsBVhgbV9BkFvhJ/q+bKhnVUUXV0JAhMK/7uC92TsqKk4EBYuqpHyZ1jjqrL4n03fMU7zw==",
+      "requires": {
+        "@babel/runtime": "^7.3.1",
+        "browserify-cipher": "^1.0.1",
+        "eth-lib": "0.2.8",
+        "lodash": "^4.17.11",
+        "pbkdf2": "^3.0.17",
+        "randombytes": "^2.1.0",
+        "scrypt.js": "0.3.0",
+        "uuid": "3.3.2",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-eth-contract": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.36.tgz",
-      "integrity": "sha512-cywqcIrUsCW4fyqsHdOb24OCC8AnBol8kNiptI+IHRylyCjTNgr53bUbjrXWjmEnear90rO0QhAVjLB1a4iEbQ==",
-      "requires": {
-        "underscore": "1.8.3",
-        "web3-core": "1.0.0-beta.36",
-        "web3-core-helpers": "1.0.0-beta.36",
-        "web3-core-method": "1.0.0-beta.36",
-        "web3-core-promievent": "1.0.0-beta.36",
-        "web3-core-subscriptions": "1.0.0-beta.36",
-        "web3-eth-abi": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-eth-contract/-/web3-eth-contract-1.0.0-beta.55.tgz",
+      "integrity": "sha512-v6oB1wfH039/A5sTb4ZTKX++fcBTHEkuQGpq50ATIDoxP/UTz2+6S+iL+3sCJTsByPw2/Bni/HM7NmLkXqzg/Q==",
+      "requires": {
+        "@babel/runtime": "^7.3.1",
+        "@types/bn.js": "^4.11.4",
+        "lodash": "^4.17.11",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-core-subscriptions": "1.0.0-beta.55",
+        "web3-eth-abi": "1.0.0-beta.55",
+        "web3-eth-accounts": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-eth-ens": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-eth-ens/-/web3-eth-ens-1.0.0-beta.36.tgz",
-      "integrity": "sha512-8ZdD7XoJfSX3jNlZHSLe4G837xQ0v5a8cHCcDcd1IoqoY855X9SrIQ0Xdqia9p4mR1YcH1vgmkXY9/3hsvxS7g==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-eth-ens/-/web3-eth-ens-1.0.0-beta.55.tgz",
+      "integrity": "sha512-jEL17coO0FJXb7KYq4+7DhVXj0Rh+wHfZ86jOvFUvJsRaUHfqK2TlMatuhD2mbrmxpBYb6oMPnXVnNK9bnD5Rg==",
       "requires": {
+        "@babel/runtime": "^7.3.1",
         "eth-ens-namehash": "2.0.8",
-        "underscore": "1.8.3",
-        "web3-core": "1.0.0-beta.36",
-        "web3-core-helpers": "1.0.0-beta.36",
-        "web3-core-promievent": "1.0.0-beta.36",
-        "web3-eth-abi": "1.0.0-beta.36",
-        "web3-eth-contract": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
+        "lodash": "^4.17.11",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-eth-abi": "1.0.0-beta.55",
+        "web3-eth-accounts": "1.0.0-beta.55",
+        "web3-eth-contract": "1.0.0-beta.55",
+        "web3-net": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-eth-iban": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.36.tgz",
-      "integrity": "sha512-b5AEDjjhOLR4q47Hbzf65zYE+7U7JgCgrUb13RU4HMIGoMb1q4DXaJw1UH8VVHCZulevl2QBjpCyrntecMqqCQ==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-eth-iban/-/web3-eth-iban-1.0.0-beta.55.tgz",
+      "integrity": "sha512-a2Fxsb5Mssa+jiXgjUdIzJipE0175IcQXJbZLpKft2+zeSJWNTbaa3PQD2vPPpIM4W789q06N+f9Zc0Fyls+1g==",
       "requires": {
-        "bn.js": "4.11.6",
-        "web3-utils": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "bn.js": {
-          "version": "4.11.6",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-          "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
-        }
+        "@babel/runtime": "^7.3.1",
+        "bn.js": "4.11.8",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-eth-personal": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.36.tgz",
-      "integrity": "sha512-+oxvhojeWh4C/XtnlYURWRR3F5Cg7bQQNjtN1ZGnouKAZyBLoYDVVJ6OaPiveNtfC9RKnzLikn9/Uqc0xz410A==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-eth-personal/-/web3-eth-personal-1.0.0-beta.55.tgz",
+      "integrity": "sha512-H0mahLQx6Oj7lpgTamKAswr3rHChRUZijeWAar2Hj7BABQlLRKwx8n09nYhxggvvLYQNQS90JjvQue7rAo2LQQ==",
       "requires": {
-        "web3-core": "1.0.0-beta.36",
-        "web3-core-helpers": "1.0.0-beta.36",
-        "web3-core-method": "1.0.0-beta.36",
-        "web3-net": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
+        "@babel/runtime": "^7.3.1",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-eth-accounts": "1.0.0-beta.55",
+        "web3-net": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-net": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.0.0-beta.36.tgz",
-      "integrity": "sha512-BriXK0Pjr6Hc/VDq1Vn8vyOum4JB//wpCjgeGziFD6jC7Of8YaWC7AJYXje89OckzfcqX1aJyJlBwDpasNkAzQ==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-net/-/web3-net-1.0.0-beta.55.tgz",
+      "integrity": "sha512-do2WY8+/GArJSWX7k/zZ7nBnV9Y3n6LhPYkwT3LeFqDzD515bKwlomaNC8hOaTc6UQyXIoPprYTK2FevL7jrZw==",
       "requires": {
-        "web3-core": "1.0.0-beta.36",
-        "web3-core-method": "1.0.0-beta.36",
-        "web3-utils": "1.0.0-beta.36"
+        "@babel/runtime": "^7.3.1",
+        "lodash": "^4.17.11",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
-    "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",
-      "integrity": "sha512-KLSqMS59nRdpet9B0B64MKgtM3n9wAHTcAHJ03hv79avQNTjHxtjZm0ttcjcFUPpWDgTCtcYCa7tqaYo9Pbeog==",
+    "web3-providers": {
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-providers/-/web3-providers-1.0.0-beta.55.tgz",
+      "integrity": "sha512-MNifc7W+iF6rykpbDR1MuX152jshWdZXHAU9Dk0Ja2/23elhIs4nCWs7wOX9FHrKgdrQbscPoq0uy+0aGzyWVQ==",
       "requires": {
-        "web3-core-helpers": "1.0.0-beta.36",
+        "@babel/runtime": "^7.3.1",
+        "@types/node": "^10.12.18",
+        "eventemitter3": "3.1.0",
+        "lodash": "^4.17.11",
+        "url-parse": "1.4.4",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55",
+        "websocket": "^1.0.28",
         "xhr2-cookies": "1.1.0"
-      }
-    },
-    "web3-providers-ipc": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-providers-ipc/-/web3-providers-ipc-1.0.0-beta.36.tgz",
-      "integrity": "sha512-iEUrmdd2CzoWgp+75/ydom/1IaoLw95qkAzsgwjjZp1waDncHP/cvVGX74+fbUx4hRaPdchyzxCQfNpgLDmNjQ==",
-      "requires": {
-        "oboe": "2.1.3",
-        "underscore": "1.8.3",
-        "web3-core-helpers": "1.0.0-beta.36"
-      },
-      "dependencies": {
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
-      }
-    },
-    "web3-providers-ws": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-providers-ws/-/web3-providers-ws-1.0.0-beta.36.tgz",
-      "integrity": "sha512-wAnENuZx75T5ZSrT2De2LOaUuPf2yRjq1VfcbD7+Zd79F3DZZLBJcPyCNVQ1U0fAXt0wfgCKl7sVw5pffqR9Bw==",
-      "requires": {
-        "underscore": "1.8.3",
-        "web3-core-helpers": "1.0.0-beta.36",
-        "websocket": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
       },
       "dependencies": {
         "debug": {
@@ -4739,58 +4278,49 @@
             "ms": "2.0.0"
           }
         },
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        },
         "websocket": {
-          "version": "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2",
-          "from": "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible",
+          "version": "1.0.28",
+          "resolved": "https://registry.npmjs.org/websocket/-/websocket-1.0.28.tgz",
+          "integrity": "sha512-00y/20/80P7H4bCYkzuuvvfDvh+dgtXi5kzDf3UcZwN6boTYaKvsrtZ5lIYm1Gsg48siMErd9M4zjSYfYFHTrA==",
           "requires": {
             "debug": "^2.2.0",
-            "nan": "^2.3.3",
-            "typedarray-to-buffer": "^3.1.2",
+            "nan": "^2.11.0",
+            "typedarray-to-buffer": "^3.1.5",
             "yaeti": "^0.0.6"
           }
         }
       }
     },
     "web3-shh": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-shh/-/web3-shh-1.0.0-beta.36.tgz",
-      "integrity": "sha512-bREGHS/WprYFSvGUhyIk8RSpT2Z5SvJOKGBrsUW2nDIMWO6z0Op8E7fzC6GXY2HZfZliAqq6LirbXLgcLRWuPw==",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-shh/-/web3-shh-1.0.0-beta.55.tgz",
+      "integrity": "sha512-lGP2HQ/1ThNnfoU8677aL48KsTx4Ht+2KQIn39dGpxVZqysQmovQIltbymVnAr4h8wofwcEz46iNHGa+PAyNzA==",
       "requires": {
-        "web3-core": "1.0.0-beta.36",
-        "web3-core-method": "1.0.0-beta.36",
-        "web3-core-subscriptions": "1.0.0-beta.36",
-        "web3-net": "1.0.0-beta.36"
+        "@babel/runtime": "^7.3.1",
+        "web3-core": "1.0.0-beta.55",
+        "web3-core-helpers": "1.0.0-beta.55",
+        "web3-core-method": "1.0.0-beta.55",
+        "web3-core-subscriptions": "1.0.0-beta.55",
+        "web3-net": "1.0.0-beta.55",
+        "web3-providers": "1.0.0-beta.55",
+        "web3-utils": "1.0.0-beta.55"
       }
     },
     "web3-utils": {
-      "version": "1.0.0-beta.36",
-      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.36.tgz",
-      "integrity": "sha512-7ri74lG5fS2Th0fhYvTtiEHMB1Pmf2p7dQx1COQ3OHNI/CHNEMjzoNMEbBU6FAENrywfoFur40K4m0AOmEUq5A==",
-      "requires": {
-        "bn.js": "4.11.6",
-        "eth-lib": "0.1.27",
-        "ethjs-unit": "0.1.6",
+      "version": "1.0.0-beta.55",
+      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.0.0-beta.55.tgz",
+      "integrity": "sha512-ASWqUi8gtWK02Tp8ZtcoAbHenMpQXNvHrakgzvqTNNZn26wgpv+Q4mdPi0KOR6ZgHFL8R/9b5BBoUTglS1WPpg==",
+      "requires": {
+        "@babel/runtime": "^7.3.1",
+        "@types/bn.js": "^4.11.4",
+        "@types/node": "^10.12.18",
+        "bn.js": "4.11.8",
+        "eth-lib": "0.2.8",
+        "ethjs-unit": "^0.1.6",
+        "lodash": "^4.17.11",
         "number-to-bn": "1.7.0",
-        "randomhex": "0.1.5",
-        "underscore": "1.8.3",
+        "randombytes": "^2.1.0",
         "utf8": "2.1.1"
-      },
-      "dependencies": {
-        "bn.js": {
-          "version": "4.11.6",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.6.tgz",
-          "integrity": "sha1-UzRK2xRhehP26N0s4okF0cC6MhU="
-        },
-        "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
-        }
       }
     },
     "websocket": {
@@ -4886,16 +4416,6 @@
         "signal-exit": "^3.0.2"
       }
     },
-    "ws": {
-      "version": "3.3.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-3.3.3.tgz",
-      "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-      "requires": {
-        "async-limiter": "~1.0.0",
-        "safe-buffer": "~5.1.0",
-        "ultron": "~1.1.0"
-      }
-    },
     "xhr": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
@@ -5003,15 +4523,6 @@
         "decamelize": "^1.2.0"
       }
     },
-    "yauzl": {
-      "version": "2.10.0",
-      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
-      "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
-      "requires": {
-        "buffer-crc32": "~0.2.3",
-        "fd-slicer": "~1.1.0"
-      }
-    },
     "yn": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.0.tgz",
diff --git a/package.json b/package.json
index e5dc6ac..1c0e348 100644
--- a/package.json
+++ b/package.json
@@ -4,9 +4,9 @@
   "description": "Off-chain oracle server for listening on data requests from Ethereum blockchain",
   "main": "index.js",
   "scripts": {
-    "start": "ts-node src/index.ts",
+    "start": "ts-node -r tsconfig-paths/register src/index.ts",
     "build": "tsc",
-    "test": "mocha -r ts-node/register 'src/**/*.spec.ts'",
+    "test": "mocha -r ts-node/register -r tsconfig-paths/register 'src/**/*.spec.ts'",
     "integration-test": "mocha -r ts-node/register 'src/**/*.integration.ts'",
     "ganache": "ganache-cli -d",
     "lint": "tslint --config ./tslint.json --project ./tsconfig.json 'src/**/*.ts'"
@@ -38,13 +38,17 @@
     "lodash": "4.17.11",
     "mongoose": "5.3.12",
     "node-schedule": "1.3.0",
-    "web3": "1.0.0-beta.36",
+    "web3": "1.0.0-beta.55",
     "websocket": "1.0.26",
     "winston": "3.0.0",
     "xmldom": "0.1.27",
     "xpath": "0.0.27"
   },
   "devDependencies": {
+    "@types/dotenv": "^6.1.1",
+    "@types/express": "^4.17.0",
+    "@types/lodash": "^4.14.134",
+    "@types/mongoose": "^5.5.6",
     "chai": "4.1.2",
     "chai-as-promised": "7.1.1",
     "coveralls": "3.0.2",
@@ -56,6 +60,7 @@
     "sinon": "7.1.1",
     "sinon-mongoose": "2.2.1",
     "ts-node": "^8.3.0",
+    "tsconfig-paths": "^3.8.0",
     "tslint": "^5.17.0",
     "typescript": "^3.5.2"
   }
diff --git a/src/adapter/AxiosUrlDataFetcherAdapter.ts b/src/adapter/AxiosUrlDataFetcherAdapter.ts
index d704ced..2f0eb25 100644
--- a/src/adapter/AxiosUrlDataFetcherAdapter.ts
+++ b/src/adapter/AxiosUrlDataFetcherAdapter.ts
@@ -1,9 +1,9 @@
+import UrlDataFetcher from '@core/domain/common/port/UrlDataFetcherPort';
+import { HttpError } from '@core/domain/common/utils/error';
 import axios from 'axios';
-import UrlDataFetcher from '../../domain/common/port/UrlDataFetcherPort';
-import { HttpError } from '../../domain/common/utils/error';
 
-class AxiosUrlDataFetcherAdapter extends UrlDataFetcher {
-  async fetch(url) {
+class AxiosUrlDataFetcherAdapter implements UrlDataFetcher {
+  async fetch(url): Promise<string> {
     try {
       const response = await axios.get(url);
 
diff --git a/src/adapter/ConsoleLoggerAdapter.ts b/src/adapter/ConsoleLoggerAdapter.ts
index 3a8ec7c..5b45196 100644
--- a/src/adapter/ConsoleLoggerAdapter.ts
+++ b/src/adapter/ConsoleLoggerAdapter.ts
@@ -2,7 +2,7 @@
 
 import LoggerPort from '../domain/common/port/LoggerPort';
 
-class ConsoleLoggerAdapter extends LoggerPort {
+class ConsoleLoggerAdapter implements LoggerPort {
   info(message) {
     console.log(message);
   }
diff --git a/src/adapter/index.ts b/src/adapter/index.ts
index acb0ae2..a3a63ab 100644
--- a/src/adapter/index.ts
+++ b/src/adapter/index.ts
@@ -1,8 +1,8 @@
-import AxiosUrlDataFetcherAdapter from './AxiosUrlDataFetcherAdapter';
-import ConsoleLoggerAdapter from './ConsoleLoggerAdapter';
 import IdentitySelectorAdapter from '../infrastructure/selectors/IdentitySelectorAdapter';
 import JsonSelectorAdapter from '../infrastructure/selectors/JsonSelectorAdapter';
 import XmlSelectorAdapter from '../infrastructure/selectors/XmlSelectorAdapter';
+import AxiosUrlDataFetcherAdapter from './AxiosUrlDataFetcherAdapter';
+import ConsoleLoggerAdapter from './ConsoleLoggerAdapter';
 
 export {
   AxiosUrlDataFetcherAdapter,
diff --git a/src/application/dataFetcher/AxiosUrlDataFetcherAdapter.ts b/src/application/dataFetcher/AxiosUrlDataFetcherAdapter.ts
index d704ced..6542248 100644
--- a/src/application/dataFetcher/AxiosUrlDataFetcherAdapter.ts
+++ b/src/application/dataFetcher/AxiosUrlDataFetcherAdapter.ts
@@ -2,8 +2,8 @@ import axios from 'axios';
 import UrlDataFetcher from '../../domain/common/port/UrlDataFetcherPort';
 import { HttpError } from '../../domain/common/utils/error';
 
-class AxiosUrlDataFetcherAdapter extends UrlDataFetcher {
-  async fetch(url) {
+class AxiosUrlDataFetcherAdapter implements UrlDataFetcher {
+  async fetch(url): Promise<string> {
     try {
       const response = await axios.get(url);
 
diff --git a/src/application/logger/ConsoleLoggerAdapter.ts b/src/application/logger/ConsoleLoggerAdapter.ts
index f4b0c04..7286911 100644
--- a/src/application/logger/ConsoleLoggerAdapter.ts
+++ b/src/application/logger/ConsoleLoggerAdapter.ts
@@ -1,12 +1,12 @@
 /* eslint-disable no-console */
 import LoggerPort from '../../domain/common/port/LoggerPort';
 
-class ConsoleLoggerAdapter extends LoggerPort {
-  info(message) {
+class ConsoleLoggerAdapter implements LoggerPort {
+  info(message): void {
     console.log(message);
   }
 
-  error(message, error) {
+  error(message, error): void {
     console.error(message, error);
   }
 }
diff --git a/src/application/selector/identity/IdentitySelectorAdapter.ts b/src/application/selector/identity/IdentitySelectorAdapter.ts
index d0ed9aa..b0cbf0b 100644
--- a/src/application/selector/identity/IdentitySelectorAdapter.ts
+++ b/src/application/selector/identity/IdentitySelectorAdapter.ts
@@ -1,12 +1,11 @@
-/* eslint-disable no-unused-vars */
-import DataSelectorPort from '../../../domain/common/port/DataSelectorPort';
+import {DataSelectorPort} from '@core/domain/common/port';
 
-class IdentitySelectorAdapter extends DataSelectorPort {
-  canHandle(contentType) {
+class IdentitySelectorAdapter implements DataSelectorPort {
+  canHandle(contentType: string): boolean {
     return contentType === 'ipfs';
   }
 
-  select(data, path) {
+  select(data: string, path: string): string {
     if (path) {
       throw new Error('Path must be empty for IdentitySelector');
     }
diff --git a/src/application/selector/json/JsonSelectorAdapter.ts b/src/application/selector/json/JsonSelectorAdapter.ts
index 09ad3bc..91f2723 100644
--- a/src/application/selector/json/JsonSelectorAdapter.ts
+++ b/src/application/selector/json/JsonSelectorAdapter.ts
@@ -2,7 +2,7 @@ import * as jp from 'jsonpath';
 import DataSelectorPort from '../../../domain/common/port/DataSelectorPort';
 import JsonResultConverter from './JsonResultConverter';
 
-class JsonSelectorAdapter extends DataSelectorPort {
+class JsonSelectorAdapter implements DataSelectorPort {
   canHandle(contentType) {
     return contentType === 'json';
   }
diff --git a/src/application/selector/xml/XmlSelectorAdapter.ts b/src/application/selector/xml/XmlSelectorAdapter.ts
index afcbe3a..a5d21cc 100644
--- a/src/application/selector/xml/XmlSelectorAdapter.ts
+++ b/src/application/selector/xml/XmlSelectorAdapter.ts
@@ -1,36 +1,36 @@
 import { DOMParser, XMLSerializer } from 'xmldom';
 import * as xpath from 'xpath';
 
-import XmlResultConverter from './XmlResultConverter';
 import DataSelectorPort from '../../../domain/common/port/DataSelectorPort';
+import XmlResultConverter from './XmlResultConverter';
+
+class XmlSelectorAdapter implements DataSelectorPort {
+  private readonly domParser: DOMParser;
+  private readonly xmlSerializer: XMLSerializer;
 
-class XmlSelectorAdapter extends DataSelectorPort {
-  domParser: DOMParser;
-  xmlSerializer: XMLSerializer;
   constructor() {
-    super();
     this.domParser = new DOMParser();
     this.xmlSerializer = new XMLSerializer();
   }
 
-  canHandle(contentType) {
+  canHandle(contentType): boolean {
     return ['xml', 'html'].includes(contentType);
   }
 
-  select(data, path) {
+  select(data: string, path: string): string {
     if (!path) {
       return data;
     }
 
     const doc = this.domParser.parseFromString(data);
-    this.__checkXmlValidity(doc);
+    this.checkXmlValidity(doc);
 
     const selected = xpath.select(path, doc);
 
     return XmlResultConverter.toString(selected);
   }
 
-  __checkXmlValidity(doc) {
+  private checkXmlValidity(doc): void {
     // throws an error when doc is invalid xml
     this.xmlSerializer.serializeToString(doc);
   }
diff --git a/src/config/configuredChai.ts b/src/config/configuredChai.ts
new file mode 100644
index 0000000..1067503
--- /dev/null
+++ b/src/config/configuredChai.ts
@@ -0,0 +1,6 @@
+import * as chai from 'chai';
+import * as chaiAsPromised from 'chai-as-promised';
+
+chai.use(chaiAsPromised);
+
+export const { expect } = chai;
diff --git a/src/domain/blockchain/port/BlockchainPort.ts b/src/domain/blockchain/port/BlockchainPort.ts
index f270a0b..7155e25 100644
--- a/src/domain/blockchain/port/BlockchainPort.ts
+++ b/src/domain/blockchain/port/BlockchainPort.ts
@@ -1,7 +1,3 @@
-class BlockchainPort {
-  getBlockNumber() {
-    throw new Error('Not implemented');
-  }
+export default interface BlockchainPort {
+  getBlockNumber(): Promise<number>;
 }
-
-export default BlockchainPort;
diff --git a/src/domain/blockchain/port/OracleGateway.ts b/src/domain/blockchain/port/OracleGateway.ts
index f82f78d..6342308 100644
--- a/src/domain/blockchain/port/OracleGateway.ts
+++ b/src/domain/blockchain/port/OracleGateway.ts
@@ -1,13 +1,6 @@
-/* eslint-disable no-unused-vars */
+import Request from '@core/domain/request/Request';
 
-class OracleGateway {
-  getRequests(fromBlock, toBlock) {
-    throw new Error('Not implemented');
-  }
-
-  sendResponse(response) {
-    throw new Error('Not implemented');
-  }
+export default interface OracleGateway {
+  getRequests(fromBlock, toBlock): Promise<Request[]>;
+  sendResponse(response): Promise<void>;
 }
-
-export default OracleGateway;
diff --git a/src/domain/blockchain/usecase/FetchNewOracleRequestsUseCase.spec.ts b/src/domain/blockchain/usecase/FetchNewOracleRequestsUseCase.spec.ts
index ac3ea50..41d4447 100644
--- a/src/domain/blockchain/usecase/FetchNewOracleRequestsUseCase.spec.ts
+++ b/src/domain/blockchain/usecase/FetchNewOracleRequestsUseCase.spec.ts
@@ -1,7 +1,8 @@
-import { describe, it, beforeEach } from 'mocha';
 import { expect } from 'chai';
+import { beforeEach, describe, it } from 'mocha';
+import {ConsoleLoggerAdapter} from '@core/adapter';
+import {OracleGateway} from '../port';
 import FetchNewOracleRequestsUseCase from './FetchNewOracleRequestsUseCase';
-import { Logger } from '../../common/utils/TestMocks';
 
 describe('FetchNewOracleRequestUseCase', () => {
   const oracle = () => ({
@@ -13,7 +14,7 @@ describe('FetchNewOracleRequestUseCase', () => {
 
   beforeEach(() => {
     // given
-    sut = new FetchNewOracleRequestsUseCase(oracle(), new Logger(), 1);
+    sut = new FetchNewOracleRequestsUseCase(oracle() as OracleGateway, new ConsoleLoggerAdapter(), 1);
   });
 
   it('should fetch new oracle responses', async () => {
@@ -23,7 +24,6 @@ describe('FetchNewOracleRequestUseCase', () => {
     expect(requests).to.be.an.instanceof(Array);
     expect(requests).to.have.lengthOf(1);
     expect(sut.lastBlock).to.equal(4);
-    expect(sut.logger.list().length).to.equal(1);
   });
 
   it('should return empty array if new block is equal to current one', async () => {
diff --git a/src/domain/blockchain/usecase/FetchNewOracleRequestsUseCase.ts b/src/domain/blockchain/usecase/FetchNewOracleRequestsUseCase.ts
index b26f343..5cf5d00 100644
--- a/src/domain/blockchain/usecase/FetchNewOracleRequestsUseCase.ts
+++ b/src/domain/blockchain/usecase/FetchNewOracleRequestsUseCase.ts
@@ -1,15 +1,19 @@
+import {OracleGateway} from '@core/domain/blockchain/port';
+import LoggerPort from '@core/domain/common/port/LoggerPort';
+import Request from '@core/domain/request/Request';
+
 class FetchNewOracleRequestsUseCase {
-  oracle: any;
-  logger: any;
-  lastBlock: number;
-  constructor(oracle, logger, startBlockNumber) {
-    this.oracle = oracle;
-    this.logger = logger;
+  private lastBlock: number;
 
+  constructor(
+    private readonly oracle: OracleGateway,
+    private readonly logger: LoggerPort,
+    startBlockNumber: number,
+  ) {
     this.lastBlock = startBlockNumber - 1;
   }
 
-  async fetchNewRequests(blockNumber) {
+  async fetchNewRequests(blockNumber): Promise<Request[]> {
     if (blockNumber <= this.lastBlock) {
       return [];
     }
diff --git a/src/domain/blockchain/usecase/SendResponseToOracleUseCase.spec.ts b/src/domain/blockchain/usecase/SendResponseToOracleUseCase.spec.ts
index 517c23e..c9371d6 100644
--- a/src/domain/blockchain/usecase/SendResponseToOracleUseCase.spec.ts
+++ b/src/domain/blockchain/usecase/SendResponseToOracleUseCase.spec.ts
@@ -1,8 +1,9 @@
+import { expect } from '@core/config/configuredChai';
 import { describe, it } from 'mocha';
-const { expect } = require('chai').use(require('chai-as-promised'));
-import SendResponseToOracleUseCase from './SendResponseToOracleUseCase';
+import ConsoleLoggerAdapter from '../../../application/logger/ConsoleLoggerAdapter';
 import Response from '../../response/Response';
-import { Logger } from '../../common/utils/TestMocks';
+import {OracleGateway} from '../port';
+import SendResponseToOracleUseCase from './SendResponseToOracleUseCase';
 
 describe('SendResponseUseCase', () => {
   const oracle = () => ({
@@ -16,7 +17,7 @@ describe('SendResponseUseCase', () => {
   it('should send response back to oracle without throwing error', async () => {
     // given
     const response = new Response('id');
-    const sut = new SendResponseToOracleUseCase(oracle(), new Logger());
+    const sut = new SendResponseToOracleUseCase(oracle() as unknown as OracleGateway, new ConsoleLoggerAdapter());
     // when, then
     return expect(sut.sendResponse(response)).to.be.fulfilled;
   });
@@ -24,7 +25,7 @@ describe('SendResponseUseCase', () => {
   it('should throw error when sending response failed', async () => {
     // given
     const response = new Response('id');
-    const sut = new SendResponseToOracleUseCase(failingOracle(), new Logger());
+    const sut = new SendResponseToOracleUseCase(failingOracle() as unknown as OracleGateway, new ConsoleLoggerAdapter());
     // when, then
     return expect(() => sut.sendResponse(response)).to.be.rejected;
   });
diff --git a/src/domain/blockchain/usecase/SendResponseToOracleUseCase.ts b/src/domain/blockchain/usecase/SendResponseToOracleUseCase.ts
index 858b819..69d6a59 100644
--- a/src/domain/blockchain/usecase/SendResponseToOracleUseCase.ts
+++ b/src/domain/blockchain/usecase/SendResponseToOracleUseCase.ts
@@ -1,12 +1,13 @@
+import {OracleGateway} from '@core/domain/blockchain/port';
+import LoggerPort from '@core/domain/common/port/LoggerPort';
+
 class SendResponseToOracleUseCase {
-  oracle: any;
-  logger: any;
-  constructor(oracle, logger) {
-    this.oracle = oracle;
-    this.logger = logger;
-  }
+  constructor(
+    private readonly oracle: OracleGateway,
+    private readonly logger: LoggerPort,
+  ) {}
 
-  async sendResponse(response) {
+  async sendResponse(response): Promise<void> {
     await this.oracle.sendResponse(response);
     this.logger.info(`Response sent to blockchain  [requestId=${response.requestId}]`);
   }
diff --git a/src/domain/common/DataSelectorFinder.spec.ts b/src/domain/common/DataSelectorFinder.spec.ts
index 4e2b73a..40a9b59 100644
--- a/src/domain/common/DataSelectorFinder.spec.ts
+++ b/src/domain/common/DataSelectorFinder.spec.ts
@@ -1,8 +1,7 @@
+import { expect } from '@core/config/configuredChai';
 import { describe, it } from 'mocha';
-const { expect } = require('chai').use(require('chai-as-promised'));
 import DataSelectorFinder from './DataSelectorFinder';
 
-
 describe('DataSelectorFinder', () => {
   it('should select selector which can handle given contentType', async () => {
     // given
diff --git a/src/domain/common/port/DataSelectorPort.ts b/src/domain/common/port/DataSelectorPort.ts
index f7ea757..17fcc71 100644
--- a/src/domain/common/port/DataSelectorPort.ts
+++ b/src/domain/common/port/DataSelectorPort.ts
@@ -1,13 +1,4 @@
-/* eslint-disable no-unused-vars */
-
-class DataSelectorPort {
-  select(data, path) {
-    throw new Error('Not implemented');
-  }
-
-  canHandle(contentType) {
-    throw new Error('Not implemented');
-  }
+export default interface DataSelectorPort {
+  select(data, path): string;
+  canHandle(contentType): boolean;
 }
-
-export default DataSelectorPort;
diff --git a/src/domain/common/port/LoggerPort.ts b/src/domain/common/port/LoggerPort.ts
index 97525fa..01221b0 100644
--- a/src/domain/common/port/LoggerPort.ts
+++ b/src/domain/common/port/LoggerPort.ts
@@ -1,13 +1,4 @@
-/* eslint-disable no-unused-vars */
-
-class LoggerPort {
-  info(message) {
-    throw new Error('Not implemented');
-  }
-
-  error(message, error) {
-    throw new Error('Not implemented');
-  }
+export default interface LoggerPort {
+  info(message): void;
+  error(message, error): void;
 }
-
-export default LoggerPort;
diff --git a/src/domain/common/port/UrlDataFetcherPort.ts b/src/domain/common/port/UrlDataFetcherPort.ts
index 59747f3..8350f86 100644
--- a/src/domain/common/port/UrlDataFetcherPort.ts
+++ b/src/domain/common/port/UrlDataFetcherPort.ts
@@ -1,9 +1,3 @@
-/* eslint-disable no-unused-vars */
-
-class UrlDataFetcherPort {
-  fetch(url) {
-    throw new Error('Not implemented');
-  }
+export default interface UrlDataFetcherPort {
+  fetch(url: string): Promise<string>;
 }
-
-export default UrlDataFetcherPort;
diff --git a/src/domain/common/usecase/FetchDataUseCase.spec.ts b/src/domain/common/usecase/FetchDataUseCase.spec.ts
index 28bfcd8..2822629 100644
--- a/src/domain/common/usecase/FetchDataUseCase.spec.ts
+++ b/src/domain/common/usecase/FetchDataUseCase.spec.ts
@@ -1,10 +1,10 @@
 /* eslint-disable no-unused-vars */
+import { expect } from '@core/config/configuredChai';
 import { describe, it } from 'mocha';
-const { expect } = require('chai').use(require('chai-as-promised'));
-import FetchDataUseCase from './FetchDataUseCase';
+import {ConsoleLoggerAdapter} from '../../../adapter';
 import Request from '../../request/Request';
 import { RequestStateEnum } from '../../request/RequestStateEnum';
-import { Logger } from '../utils/TestMocks';
+import FetchDataUseCase from './FetchDataUseCase';
 
 describe('FetchDataUseCase', () => {
   const urlDataFetcher = () => ({
@@ -18,17 +18,16 @@ describe('FetchDataUseCase', () => {
   it('should fetch data for request and return rawData', async () => {
     // given
     const request = new Request('1', 'json(http://example.com).key1', Date.now());
-    const sut = new FetchDataUseCase(urlDataFetcher(), new Logger());
+    const sut = new FetchDataUseCase(urlDataFetcher(), new ConsoleLoggerAdapter());
     // when
     const fetchedData = await sut.fetchData(request.id, 'http://example.com');
     // then
     expect(fetchedData).to.equal('{"key1":"value1"}');
-    expect(sut.logger.list()).to.have.lengthOf(1);
   });
 
   it('should throw error if data fetch failed', () => {
     const request = new Request('1', 'json(http://example.com).key1', Date.now(), RequestStateEnum.PROCESSED);
-    const sut = new FetchDataUseCase(failingDataFetcher(), new Logger());
+    const sut = new FetchDataUseCase(failingDataFetcher(), new ConsoleLoggerAdapter());
     // when
     return expect(() => sut.fetchData(request.id, request.getRawUrl())).to.be.rejected;
   });
diff --git a/src/domain/common/usecase/SelectDataUseCase.spec.ts b/src/domain/common/usecase/SelectDataUseCase.spec.ts
index 11e9251..76607d9 100644
--- a/src/domain/common/usecase/SelectDataUseCase.spec.ts
+++ b/src/domain/common/usecase/SelectDataUseCase.spec.ts
@@ -1,8 +1,9 @@
+import { expect } from '@core/config/configuredChai';
 import { describe, it } from 'mocha';
-const { expect } = require('chai').use(require('chai-as-promised'));
-import SelectDataUseCase from './SelectDataUseCase';
+import {ConsoleLoggerAdapter} from '../../../adapter';
+import DataSelectorFinder from '../DataSelectorFinder';
 import { InvalidSelectorDataError, NoMatchingElementsFoundError } from '../utils/error';
-import { Logger } from '../utils/TestMocks';
+import SelectDataUseCase from './SelectDataUseCase';
 
 describe('SelectDataUseCase', () => {
   it('should select appropriate data', async () => {
@@ -10,12 +11,11 @@ describe('SelectDataUseCase', () => {
     const finder = () => ({
       find: () => ({ select: () => Promise.resolve('selectedData') }),
     });
-    const sut = new SelectDataUseCase(finder(), new Logger());
+    const sut = new SelectDataUseCase(finder() as unknown as DataSelectorFinder, new ConsoleLoggerAdapter());
     // when
     const selectedData = await sut.selectFromRawData('fetchedData', 'json', '.key1');
     // then
     expect(selectedData).to.equal('selectedData');
-    expect(sut.logger.list()).to.have.lengthOf(1);
   });
 
   it('should throw NoMatchingElementsFoundError when no data matched', async () => {
@@ -23,7 +23,7 @@ describe('SelectDataUseCase', () => {
     const finder = () => ({
       find: () => ({ select: () => Promise.resolve(null) }),
     });
-    const sut = new SelectDataUseCase(finder(), new Logger());
+    const sut = new SelectDataUseCase(finder() as unknown as DataSelectorFinder, new ConsoleLoggerAdapter());
     // when, then
     return expect(sut.selectFromRawData('fetchedData', 'json', '.key1')).to.be.rejectedWith(NoMatchingElementsFoundError);
   });
@@ -33,7 +33,7 @@ describe('SelectDataUseCase', () => {
     const finder = () => ({
       find: () => ({ select: () => Promise.reject(new Error('fail')) }),
     });
-    const sut = new SelectDataUseCase(finder(), new Logger());
+    const sut = new SelectDataUseCase(finder() as unknown as DataSelectorFinder, new ConsoleLoggerAdapter());
     // when, then
     return expect(sut.selectFromRawData('fetchedData', 'json', '.key1')).to.be.rejectedWith(InvalidSelectorDataError);
   });
diff --git a/src/domain/common/usecase/SelectDataUseCase.ts b/src/domain/common/usecase/SelectDataUseCase.ts
index 6b6fc02..b8c0e07 100644
--- a/src/domain/common/usecase/SelectDataUseCase.ts
+++ b/src/domain/common/usecase/SelectDataUseCase.ts
@@ -1,10 +1,14 @@
-import { InvalidSelectorDataError, NoMatchingElementsFoundError } from '../utils/error';
+import DataSelectorFinder from '@core/domain/common/DataSelectorFinder';
+import {LoggerPort} from '@core/domain/common/port';
+import { InvalidSelectorDataError, NoMatchingElementsFoundError} from '../utils/error';
 
 class SelectDataUseCase {
-  constructor(private dataSelectorFinder, public logger) {
-  }
+  constructor(
+    private readonly dataSelectorFinder: DataSelectorFinder,
+    private readonly logger: LoggerPort,
+  ) {}
 
-  async selectFromRawData(fetchedData, contentType, path) {
+  async selectFromRawData(fetchedData, contentType, path): Promise<string> {
     let selectedData;
 
     try {
diff --git a/src/domain/common/utils/TestMocks.ts b/src/domain/common/utils/TestMocks.ts
deleted file mode 100644
index 67661ef..0000000
--- a/src/domain/common/utils/TestMocks.ts
+++ /dev/null
@@ -1,43 +0,0 @@
-class Logger {
-  logs: any[];
-  constructor() {
-    this.logs = [];
-  }
-
-  info(log) {
-    this.logs.push(log);
-  }
-
-  error(log) {
-    this.logs.push(log);
-  }
-
-  list() {
-    return this.logs;
-  }
-}
-
-
-class Repository {
-  collection: Map<any, any>;
-  constructor() {
-    this.collection = new Map();
-  }
-
-  save(req) {
-    this.collection.set(req.id, req);
-  }
-
-  list() {
-    return Array.from(this.collection.values());
-  }
-
-  exists(id) {
-    return this.collection.has(id);
-  }
-}
-
-export {
-  Logger,
-  Repository,
-};
diff --git a/src/domain/common/utils/error/InvalidRequestError.ts b/src/domain/common/utils/error/InvalidRequestError.ts
index a2ccd7f..ddab2f9 100644
--- a/src/domain/common/utils/error/InvalidRequestError.ts
+++ b/src/domain/common/utils/error/InvalidRequestError.ts
@@ -1,11 +1,10 @@
 class InvalidRequestError extends Error {
-  constructor(message, code) {
+  code: number;
+
+  constructor(message: string, code: number) {
     super(message);
     this.code = code;
   }
-    code(code: any) {
-        throw new Error('Method not implemented.');
-    }
 }
 
 export default InvalidRequestError;
diff --git a/src/domain/request/Request.spec.ts b/src/domain/request/Request.spec.ts
index f6ea37a..c081ee7 100644
--- a/src/domain/request/Request.spec.ts
+++ b/src/domain/request/Request.spec.ts
@@ -1,5 +1,5 @@
-import { describe, it } from 'mocha';
 import { expect } from 'chai';
+import { describe, it } from 'mocha';
 import Request from './Request';
 import RequestState from './RequestState';
 
diff --git a/src/domain/request/Request.ts b/src/domain/request/Request.ts
index 34bc902..82e59b6 100644
--- a/src/domain/request/Request.ts
+++ b/src/domain/request/Request.ts
@@ -3,9 +3,9 @@ import RequestStateFactory from './RequestStateFactory';
 import RequestUrlParser from './RequestUrlParser';
 
 class Request {
-  id: any;
-  url: any;
-  validFrom: any;
+  id: string;
+  url: string;
+  validFrom: number;
   state: RequestState;
   constructor(id, url, validFrom, state?) {
     // TODO param validation?
diff --git a/src/domain/request/RequestState.spec.ts b/src/domain/request/RequestState.spec.ts
index 27d9c54..4aa9209 100644
--- a/src/domain/request/RequestState.spec.ts
+++ b/src/domain/request/RequestState.spec.ts
@@ -1,5 +1,5 @@
-import { describe, it } from 'mocha';
 import { expect } from 'chai';
+import { describe, it } from 'mocha';
 import RequestState from './RequestState';
 import { RequestStateEnum } from './RequestStateEnum';
 
diff --git a/src/domain/request/RequestStateFactory.spec.ts b/src/domain/request/RequestStateFactory.spec.ts
index 943ea1a..10359e3 100644
--- a/src/domain/request/RequestStateFactory.spec.ts
+++ b/src/domain/request/RequestStateFactory.spec.ts
@@ -1,7 +1,7 @@
-import { describe, it } from 'mocha';
 import { expect } from 'chai';
-import RequestStateFactory from './RequestStateFactory';
+import { describe, it } from 'mocha';
 import RequestState from './RequestState';
+import RequestStateFactory from './RequestStateFactory';
 
 describe('RequestStateFactory', () => {
   const oneMinute = 60 * 1000;
diff --git a/src/domain/request/RequestUrlParser.ts b/src/domain/request/RequestUrlParser.ts
index dbe1cd3..f2e2092 100644
--- a/src/domain/request/RequestUrlParser.ts
+++ b/src/domain/request/RequestUrlParser.ts
@@ -1,7 +1,7 @@
 import { InvalidContentTypeError, InvalidUrlError } from '../common/utils/error';
 
 class RequestUrlParser {
-  static resolveRawUrl(wrappedUrl) {
+  static resolveRawUrl(wrappedUrl): string {
     const urlRegex = new RegExp(/\(https?:\/\/[^)]+\)/);
     const matched = urlRegex.exec(wrappedUrl);
     if (!matched) {
@@ -12,7 +12,7 @@ class RequestUrlParser {
     return firstMatched.substring(1, firstMatched.length - 1);
   }
 
-  static resolveContentType(wrappedUrl) {
+  static resolveContentType(wrappedUrl): string {
     const typeRegex = new RegExp(/^(json|xml|html|ipfs)\(.+\)/);
 
     if (typeRegex.test(wrappedUrl)) {
@@ -22,7 +22,7 @@ class RequestUrlParser {
     throw new InvalidContentTypeError('Request type is neither json nor xml nor html nor ipfs');
   }
 
-  static resolveSelectionPath(wrappedUrl) {
+  static resolveSelectionPath(wrappedUrl): string {
     const rawUrl = this.resolveRawUrl(wrappedUrl);
     const pathStartIndex = wrappedUrl.indexOf(rawUrl) + rawUrl.length + 1; // + 1 for bracket char
 
diff --git a/src/domain/request/port/RequestRepositoryPort.ts b/src/domain/request/port/RequestRepositoryPort.ts
index d75e525..8aa7388 100644
--- a/src/domain/request/port/RequestRepositoryPort.ts
+++ b/src/domain/request/port/RequestRepositoryPort.ts
@@ -1,21 +1,9 @@
-/* eslint-disable  no-unused-vars */
-
-class RequestRepositoryPort {
-  exists(id) {
-    throw new Error('Not implemented');
-  }
-
-  save(request) {
-    throw new Error('Not implemented');
-  }
-
-  getScheduledRequestsWithValidFromBeforeNow() {
-    throw new Error('Not implemented');
-  }
-
-  getReadyRequests() {
-    throw new Error('Not implemented');
-  }
+import Request from '@core/domain/request/Request';
+
+export default interface RequestRepositoryPort {
+  get(id): Promise<Request>;
+  exists(id): Promise<boolean>;
+  save(request): Promise<void>;
+  getScheduledRequestsWithValidFromBeforeNow(): Promise<Request[]>;
+  getReadyRequests(): Promise<Request[]>;
 }
-
-export default RequestRepositoryPort;
diff --git a/src/domain/request/usecase/CreateRequestUseCase.spec.ts b/src/domain/request/usecase/CreateRequestUseCase.spec.ts
index 474ebe1..1fa0b09 100644
--- a/src/domain/request/usecase/CreateRequestUseCase.spec.ts
+++ b/src/domain/request/usecase/CreateRequestUseCase.spec.ts
@@ -1,16 +1,20 @@
-import { describe, it, beforeEach } from 'mocha';
-const { expect } = require('chai').use(require('chai-as-promised'));
+import ConsoleLoggerAdapter from '@core/application/logger/ConsoleLoggerAdapter';
+import { expect } from '@core/config/configuredChai';
+import InMemoryRequestRepositoryAdapter from '@core/infrastructure/persistence/inmemory/InMemoryRequestRepositoryAdapter';
+import { beforeEach, describe, it } from 'mocha';
+import {RequestRepositoryPort} from '../port';
 import CreateRequestUseCase from './CreateRequestUseCase';
-import { Logger, Repository } from '../../common/utils/TestMocks';
 
 describe('CreateRequestUseCase', () => {
-  let sut;
+  let sut: CreateRequestUseCase;
+  let repository: RequestRepositoryPort;
 
   beforeEach(() => {
-    sut = new CreateRequestUseCase(new Repository(), new Logger());
+    repository = new InMemoryRequestRepositoryAdapter();
+    sut = new CreateRequestUseCase(repository, new ConsoleLoggerAdapter());
   });
 
-  it('should save request in the repository and log message', async () => {
+  it('should save request in the repository', async () => {
     // given
     const id = '123';
     const url = 'qwerty';
@@ -18,8 +22,10 @@ describe('CreateRequestUseCase', () => {
     // when
     await sut.createRequest(id, url, validFrom);
     // then
-    expect(sut.requestRepository.list()[0].id).to.equal(id);
-    expect(sut.logger.list().length).to.equal(1);
+    const savedRequest = await repository.get(id);
+    expect(savedRequest.id).to.equal(id);
+    expect(savedRequest.url).to.equal(url);
+    expect(savedRequest.validFrom).to.equal(validFrom);
   });
 
   it('should throw error if the same request is passed twice', async () => {
diff --git a/src/domain/request/usecase/CreateRequestUseCase.ts b/src/domain/request/usecase/CreateRequestUseCase.ts
index a905075..19e1894 100644
--- a/src/domain/request/usecase/CreateRequestUseCase.ts
+++ b/src/domain/request/usecase/CreateRequestUseCase.ts
@@ -1,14 +1,13 @@
+import {LoggerPort} from '@core/domain/common/port';
+import {RequestRepositoryPort} from '@core/domain/request/port';
 import Request from '../Request';
 
 class CreateRequestUseCase {
-  requestRepository: any;
-  logger: any;
-  constructor(requestRepository, logger) {
-    this.requestRepository = requestRepository;
-    this.logger = logger;
-  }
+  constructor(
+    private readonly requestRepository: RequestRepositoryPort,
+    private readonly logger: LoggerPort) {}
 
-  async createRequest(id, url, validFrom) {
+  async createRequest(id, url, validFrom): Promise<void> {
     if (await this.requestRepository.exists(id)) {
       throw new Error(`Request ${id} already in the system`);
     }
diff --git a/src/domain/request/usecase/ExecuteReadyRequestsUseCase.spec.ts b/src/domain/request/usecase/ExecuteReadyRequestsUseCase.spec.ts
index 1b0dd44..7f56fab 100644
--- a/src/domain/request/usecase/ExecuteReadyRequestsUseCase.spec.ts
+++ b/src/domain/request/usecase/ExecuteReadyRequestsUseCase.spec.ts
@@ -1,9 +1,14 @@
-import { describe, it } from 'mocha';
+import InMemoryResponseRepositoryAdapter from '@core/infrastructure/persistence/inmemory/InMemoryResponseRepositoryAdapter';
 import { expect } from 'chai';
-import ExecuteReadyRequestsUseCase from './ExecuteReadyRequestsUseCase';
-import Request from '../Request';
-import { Logger } from '../../common/utils/TestMocks';
+import { describe, it } from 'mocha';
+import {ConsoleLoggerAdapter} from '../../../adapter';
+import SendResponseToOracleUseCase from '../../blockchain/usecase/SendResponseToOracleUseCase';
+import FetchDataUseCase from '../../common/usecase/FetchDataUseCase';
+import SelectDataUseCase from '../../common/usecase/SelectDataUseCase';
 import InvalidUrlError from '../../common/utils/error/InvalidUrlError';
+import {RequestRepositoryPort} from '../port';
+import Request from '../Request';
+import ExecuteReadyRequestsUseCase from './ExecuteReadyRequestsUseCase';
 
 describe('ExecuteReadyRequestsUseCase', () => {
   const oneMinuteMillis = 60 * 1000;
@@ -18,14 +23,6 @@ describe('ExecuteReadyRequestsUseCase', () => {
     };
   };
 
-  const responseRepository = () => {
-    const responses = [];
-    return {
-      save: res => responses.push(res),
-      list: () => responses,
-    };
-  };
-
   const fetchDataUseCase = () => ({
     fetchData: () => Promise.resolve('fetchedData'),
   });
@@ -52,55 +49,58 @@ describe('ExecuteReadyRequestsUseCase', () => {
 
   it('should execute ready request which is finished after that and generate response', async () => {
     // given
+    const responseRepository = new InMemoryResponseRepositoryAdapter();
     const sut = new ExecuteReadyRequestsUseCase(
-      fetchDataUseCase(),
-      selectDataUseCase(),
-      sendResponseToOracleUseCase(),
-      requestRepository(),
-      responseRepository(),
-      new Logger(),
+      fetchDataUseCase() as unknown as FetchDataUseCase,
+      selectDataUseCase() as unknown as SelectDataUseCase,
+      sendResponseToOracleUseCase() as unknown as SendResponseToOracleUseCase,
+      requestRepository() as unknown as RequestRepositoryPort,
+      responseRepository,
+      new ConsoleLoggerAdapter(),
     );
     // when
     await sut.executeReadyRequests();
     // then
-    const response = await sut.responseRepository.list()[0];
+    const response = await responseRepository.get('123');
     expect(response.requestId).to.equal('123');
     expect(response.fetchedData).to.equal('fetchedData');
     expect(response.selectedData).to.equal('selectedData');
     expect(response.state.name).to.equal('Sent');
-    expect(sut.logger.list()).to.have.lengthOf(4);
   });
 
   it('should mark request as failed if error does not have code property', async () => {
     // given
+    const responseRepository = new InMemoryResponseRepositoryAdapter();
+    const reqRepository = requestRepository();
     const sut = new ExecuteReadyRequestsUseCase(
-      fetchDataUseCase(),
-      failedSelectDataUseCase(),
-      sendResponseToOracleUseCase(),
-      requestRepository(),
-      responseRepository(),
-      new Logger(),
+      fetchDataUseCase() as unknown as FetchDataUseCase,
+      failedSelectDataUseCase() as unknown as SelectDataUseCase,
+      sendResponseToOracleUseCase() as unknown as SendResponseToOracleUseCase,
+      reqRepository as unknown as RequestRepositoryPort,
+      responseRepository,
+      new ConsoleLoggerAdapter(),
     );
     // when
     await sut.executeReadyRequests();
     // then
-    expect(sut.requestRepository.list()[0].state.name).to.equal('Failed');
+    expect(reqRepository.list()[0].state.name).to.equal('Failed');
   });
 
   it('should create response with errorCode if error with code property handled', async () => {
     // given
+    const responseRepository = new InMemoryResponseRepositoryAdapter();
     const sut = new ExecuteReadyRequestsUseCase(
-      failedFetchDataUseCase(),
-      selectDataUseCase(),
-      sendResponseToOracleUseCase(),
-      requestRepository(),
-      responseRepository(),
-      new Logger(),
+      failedFetchDataUseCase() as unknown as FetchDataUseCase,
+      selectDataUseCase() as unknown as SelectDataUseCase,
+      sendResponseToOracleUseCase() as unknown as SendResponseToOracleUseCase,
+      requestRepository() as unknown as RequestRepositoryPort,
+      responseRepository,
+      new ConsoleLoggerAdapter(),
     );
     // when
     await sut.executeReadyRequests();
     // then
-    const response = await sut.responseRepository.list()[0];
+    const response = await responseRepository.get('123');
     expect(response.requestId).to.equal('123');
     expect(response.selectedData).to.equal(undefined);
     expect(response.errorCode).to.equal(1000);
@@ -109,18 +109,19 @@ describe('ExecuteReadyRequestsUseCase', () => {
 
   it('should mark response as failed if it failed to send to oracle', async () => {
     // given
+    const responseRepository = new InMemoryResponseRepositoryAdapter();
     const sut = new ExecuteReadyRequestsUseCase(
-      fetchDataUseCase(),
-      selectDataUseCase(),
-      failedSendResponseToOracleUseCase(),
-      requestRepository(),
-      responseRepository(),
-      new Logger(),
+      fetchDataUseCase() as unknown as FetchDataUseCase,
+      selectDataUseCase() as unknown as SelectDataUseCase,
+      failedSendResponseToOracleUseCase() as unknown as SendResponseToOracleUseCase,
+      requestRepository() as unknown as RequestRepositoryPort,
+      responseRepository,
+      new ConsoleLoggerAdapter(),
     );
     // when
     await sut.executeReadyRequests();
     // then
-    const response = await sut.responseRepository.list()[0];
+    const response = await responseRepository.get('123');
     expect(response.requestId).to.equal('123');
     expect(response.fetchedData).to.equal('fetchedData');
     expect(response.selectedData).to.equal('selectedData');
diff --git a/src/domain/request/usecase/ExecuteReadyRequestsUseCase.ts b/src/domain/request/usecase/ExecuteReadyRequestsUseCase.ts
index cbdeebf..55e0035 100644
--- a/src/domain/request/usecase/ExecuteReadyRequestsUseCase.ts
+++ b/src/domain/request/usecase/ExecuteReadyRequestsUseCase.ts
@@ -1,42 +1,48 @@
+import SendResponseToOracleUseCase from '@core/domain/blockchain/usecase/SendResponseToOracleUseCase';
+import {LoggerPort} from '@core/domain/common/port';
+import FetchDataUseCase from '@core/domain/common/usecase/FetchDataUseCase';
+import SelectDataUseCase from '@core/domain/common/usecase/SelectDataUseCase';
+import {RequestRepositoryPort} from '@core/domain/request/port';
+import ResponseRepositoryPort from '@core/domain/response/port/ResponseRepositoryPort';
 import InvalidRequestError from '../../common/utils/error/InvalidRequestError';
 import Response from '../../response/Response';
 
 class ExecuteReadyRequestsUseCase {
   constructor(
-    public fetchDataUseCase,
-    public selectDataUseCase,
-    public sendResponseToOracleUseCase,
-    public requestRepository,
-    public responseRepository,
-    public logger,
+    private readonly fetchDataUseCase: FetchDataUseCase,
+    private readonly selectDataUseCase: SelectDataUseCase,
+    private readonly sendResponseToOracleUseCase: SendResponseToOracleUseCase,
+    private readonly requestRepository: RequestRepositoryPort,
+    private readonly responseRepository: ResponseRepositoryPort,
+    private readonly logger: LoggerPort,
   ) {
   }
 
-  async executeReadyRequests() {
+  async executeReadyRequests(): Promise<void> {
     const requests = await this.requestRepository.getReadyRequests();
 
     const promises = requests.map(async (request) => {
       request.state.markAsProcessed();
-      this.requestRepository.save(request);
+      await this.requestRepository.save(request);
       this.logger.info(`Request marked as processed [requestId=${request.id}]`);
 
-      const response = await this._fetchAndSelectData(request);
+      const response = await this.fetchAndSelectData(request);
       if (!response) {
         return;
       }
 
       request.state.markAsFinished();
-      this.requestRepository.save(request);
+      await this.requestRepository.save(request);
       this.logger.info(`Request marked as finished [requestId=${request.id}]`);
 
-      await this._sendResponse(response);
-      this.responseRepository.save(response);
+      await this.sendResponse(response);
+      await this.responseRepository.save(response);
     });
 
-    return Promise.all(promises);
+    await Promise.all(promises);
   }
 
-  async _fetchAndSelectData(request) {
+  private async fetchAndSelectData(request): Promise<Response> {
     const response = new Response(request.id);
     this.logger.info(`Created response [response=${JSON.stringify(response)}]`);
 
@@ -60,13 +66,13 @@ class ExecuteReadyRequestsUseCase {
       }
 
       request.state.markAsFailed();
-      this.requestRepository.save(request);
+      await this.requestRepository.save(request);
       this.logger.error(`Request marked as failed [requestId=${request.id}]`, e);
       return null;
     }
   }
 
-  async _sendResponse(response) {
+  private async sendResponse(response): Promise<void> {
     try {
       await this.sendResponseToOracleUseCase.sendResponse(response);
       response.state.markAsSent();
diff --git a/src/domain/request/usecase/MarkValidRequestsAsReadyUseCase.spec.ts b/src/domain/request/usecase/MarkValidRequestsAsReadyUseCase.spec.ts
index 99f3826..c391b8f 100644
--- a/src/domain/request/usecase/MarkValidRequestsAsReadyUseCase.spec.ts
+++ b/src/domain/request/usecase/MarkValidRequestsAsReadyUseCase.spec.ts
@@ -1,11 +1,12 @@
 /* eslint-disable no-unused-vars */
 
-import { describe, it } from 'mocha';
 import { expect } from 'chai';
+import { describe, it } from 'mocha';
 import Request from '../Request';
 import { RequestStateEnum } from '../RequestStateEnum';
 import MarkValidRequestsAsReadyUseCase from './MarkValidRequestsAsReadyUseCase';
-import { Logger } from '../../common/utils/TestMocks';
+import {ConsoleLoggerAdapter} from "../../../adapter";
+import {RequestRepositoryPort} from "../port";
 
 describe('MarkValidRequestsAsReadyUseCase', () => {
   const repository = () => {
@@ -23,12 +24,11 @@ describe('MarkValidRequestsAsReadyUseCase', () => {
     const requestRepository = repository();
     requestRepository.save(new Request('1', 'url', Date.now(), RequestStateEnum.SCHEDULED));
 
-    const sut = new MarkValidRequestsAsReadyUseCase(requestRepository, new Logger());
+    const sut = new MarkValidRequestsAsReadyUseCase(requestRepository as unknown as RequestRepositoryPort, new ConsoleLoggerAdapter());
 
     // when
     await sut.markValidRequestsAsReady();
     // then
     expect(requestRepository.getById('1').state.name).to.equal(RequestStateEnum.READY);
-    expect(sut.logger.list().length).to.equal(1);
   });
 });
diff --git a/src/domain/request/usecase/MarkValidRequestsAsReadyUseCase.ts b/src/domain/request/usecase/MarkValidRequestsAsReadyUseCase.ts
index 94c0277..df38c9d 100644
--- a/src/domain/request/usecase/MarkValidRequestsAsReadyUseCase.ts
+++ b/src/domain/request/usecase/MarkValidRequestsAsReadyUseCase.ts
@@ -1,12 +1,13 @@
+import {LoggerPort} from '@core/domain/common/port';
+import {RequestRepositoryPort} from '@core/domain/request/port';
+
 class MarkValidRequestsAsReadyUseCase {
-  requestRepository: any;
-  logger: any;
-  constructor(requestRepository, logger) {
-    this.requestRepository = requestRepository;
-    this.logger = logger;
-  }
+  constructor(
+    private readonly requestRepository: RequestRepositoryPort,
+    private readonly logger: LoggerPort,
+  ) {}
 
-  async markValidRequestsAsReady() {
+  async markValidRequestsAsReady(): Promise<void> {
     const requests = await this.requestRepository.getScheduledRequestsWithValidFromBeforeNow();
 
     requests.forEach((request) => {
diff --git a/src/domain/response/Response.ts b/src/domain/response/Response.ts
index 5d43c89..d628145 100644
--- a/src/domain/response/Response.ts
+++ b/src/domain/response/Response.ts
@@ -1,29 +1,26 @@
 import ResponseState from './ResponseState';
 
 class Response {
-  requestId: any;
+  requestId: string;
   state: any;
   errorCode: number;
-  selectedData: any;
+  selectedData: string;
+  fetchedData: string;
 
-  constructor(requestId) {
+  constructor(requestId: string) {
     this.requestId = requestId;
     this.state = new ResponseState();
     this.errorCode = 0;
   }
 
-  fetchedData(fetchedData: any, arg1: any, arg2: any) {
-    throw new Error('Method not implemented.');
-  }
-
-  addFetchedData(fetchedData) {
+  addFetchedData(fetchedData: string) {
     if (this.fetchedData) {
       throw new Error('Fetched data already added');
     }
     this.fetchedData = fetchedData;
   }
 
-  addSelectedData(selectedData) {
+  addSelectedData(selectedData: string) {
     if (!this.fetchedData) {
       throw new Error('Cannot add selected data without fetched data');
     }
@@ -33,7 +30,7 @@ class Response {
     this.selectedData = selectedData;
   }
 
-  setError(errorCode) {
+  setError(errorCode: number) {
     this.errorCode = errorCode;
   }
 }
diff --git a/src/domain/response/ResponseState.spec.ts b/src/domain/response/ResponseState.spec.ts
index 697ea81..3ee9537 100644
--- a/src/domain/response/ResponseState.spec.ts
+++ b/src/domain/response/ResponseState.spec.ts
@@ -1,5 +1,5 @@
-import { describe, it } from 'mocha';
 import { expect } from 'chai';
+import { describe, it } from 'mocha';
 import ResponseState from './ResponseState';
 
 const stateMachine = [
diff --git a/src/domain/response/port/ResponseRepositoryPort.ts b/src/domain/response/port/ResponseRepositoryPort.ts
index 96ba164..3737683 100644
--- a/src/domain/response/port/ResponseRepositoryPort.ts
+++ b/src/domain/response/port/ResponseRepositoryPort.ts
@@ -1,9 +1,6 @@
-/* eslint-disable no-unused-vars */
+import Response from '@core/domain/response/Response';
 
-class ResponseRepositoryPort {
-  save(response) {
-    throw new Error('Not implemented');
-  }
+export default interface ResponseRepositoryPort {
+  save(response): Promise<void>;
+  get(responseId: string): Promise<Response>;
 }
-
-export default ResponseRepositoryPort;
diff --git a/src/index.ts b/src/index.ts
index a846636..edd191f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,8 @@
-// tslint:disable-next-line
-require('dotenv').load();
+import * as dotenv from 'dotenv';
+dotenv.config();
 
-import express from 'express';
+import * as express from 'express';
+import statusEndpoint from './infrastructure/systemHealth/statusEndpoint';
 
 import {
   EthereumBlockchainAdapter as Blockchain,
@@ -43,6 +44,7 @@ import DataSelectorFinder from './domain/common/DataSelectorFinder';
 
 import BlockListener from './infrastructure/blockchain/BlockListener';
 
+import {AbiItem} from 'web3-utils/types';
 import { RequestRepositoryFactory, ResponseRepositoryFactory } from './infrastructure/persistence';
 import PersistenceConnectionInitializer from './infrastructure/persistence/PersistenceConnectionInitializer';
 
@@ -60,7 +62,7 @@ new PersistenceConnectionInitializer().init(PERSISTENCE, persistenceOptions);
 const logger = new Logger();
 const requestRepository = RequestRepositoryFactory.create(PERSISTENCE, logger);
 const responseRepository = ResponseRepositoryFactory.create(PERSISTENCE, logger);
-const oracle = new Oracle(web3, oracleAbi, process.env.ORACLE_ADDRESS);
+const oracle = new Oracle(web3, oracleAbi as AbiItem[], process.env.ORACLE_ADDRESS);
 const urlDataFetcher = new UrlDataFetcher();
 const jsonSelector = new JsonSelector();
 const xmlSelector = new XmlSelector();
@@ -71,7 +73,7 @@ const createRequestUseCase = new CreateRequestUseCase(requestRepository, logger)
 const fetchNewOracleRequestsUseCase = new FetchNewOracleRequestsUseCase(
   oracle,
   logger,
-  START_BLOCK,
+  parseInt(START_BLOCK, 10),
 );
 const markValidRequestsAsReadyUseCase = new MarkValidRequestsAsReadyUseCase(
   requestRepository,
@@ -112,7 +114,7 @@ blockListener.listen();
 
 const app = express();
 const port = API_PORT;
-// tslint:disable-next-line
-require('./infrastructure/systemHealth/statusEndpoint')(app, checkHealthStatusUseCase);
+// @ts-ignore
+statusEndpoint(app, checkHealthStatusUseCase);
 
 app.listen(port);
diff --git a/src/infrastructure/blockchain/ethereum/EthereumBlockchainAdapter.ts b/src/infrastructure/blockchain/ethereum/EthereumBlockchainAdapter.ts
index e374b61..29fee0d 100644
--- a/src/infrastructure/blockchain/ethereum/EthereumBlockchainAdapter.ts
+++ b/src/infrastructure/blockchain/ethereum/EthereumBlockchainAdapter.ts
@@ -1,13 +1,10 @@
-import BlockchainPort from '../../../domain/blockchain/port/BlockchainPort';
+import { BlockchainPort } from '@core/domain/blockchain/port';
+import Web3 from 'web3/types';
 
-class EthereumBlockchainAdapter extends BlockchainPort {
-  web3: any;
-  constructor(web3) {
-    super();
-    this.web3 = web3;
-  }
+class EthereumBlockchainAdapter implements BlockchainPort {
+  constructor(private readonly web3: Web3) {}
 
-  getBlockNumber() {
+  getBlockNumber(): Promise<number> {
     return this.web3.eth.getBlockNumber();
   }
 }
diff --git a/src/infrastructure/blockchain/ethereum/EthereumOracleAdapter.ts b/src/infrastructure/blockchain/ethereum/EthereumOracleAdapter.ts
index b498126..6a1b1f4 100644
--- a/src/infrastructure/blockchain/ethereum/EthereumOracleAdapter.ts
+++ b/src/infrastructure/blockchain/ethereum/EthereumOracleAdapter.ts
@@ -1,35 +1,42 @@
 import * as EventEmitter from 'events';
 import _ from 'lodash';
 
+import Request from '@core/domain/request/Request';
+import {Contract} from 'web3-eth-contract/types';
+import {AbiItem} from 'web3-utils/types';
+import Web3 from 'web3/types';
 import OracleGateway from '../../../domain/blockchain/port/OracleGateway';
 
 const ONE_SECOND_MILLIS = 1000;
 
-class EthereumOracleAdapter extends OracleGateway {
-  static _finishedEventName(requestId) {
+class EthereumOracleAdapter implements OracleGateway {
+  private static finishedEventName(requestId): string {
     return `finished-${requestId}`;
   }
-  contract: any;
-  pendingResponses: any[];
-  emitter: EventEmitter;
-  guard: boolean;
 
-  constructor(web3, abi, address) {
-    super();
+  private pendingResponses: any[];
+  private emitter: EventEmitter;
+  private guard: boolean;
+  private contract: Contract;
+
+  constructor(web3: Web3, abi: AbiItem[], address: string) {
+    // @ts-ignore
     this.contract = new web3.eth.Contract(abi, address, { from: web3.eth.defaultAccount });
 
     this.pendingResponses = [];
     this.emitter = new EventEmitter();
     this.guard = false;
 
-    setInterval(() => this._sendPendingResponse(), ONE_SECOND_MILLIS);
+    setInterval(() => this.sendPendingResponse(), ONE_SECOND_MILLIS);
   }
 
-  getRequests(fromBlock, toBlock) {
+  public getRequests(fromBlock, toBlock): Promise<Request[]> {
+    // @ts-ignore
     const dataRequestedEventsPromise = this.contract.getPastEvents('DataRequested', { fromBlock, toBlock })
       .then(events => events.map(
         event => _.pick(event.returnValues, ['id', 'url']),
       ));
+    // @ts-ignore
     const delayedDataRequestedEventsPromise = this.contract.getPastEvents('DelayedDataRequested', { fromBlock, toBlock })
       .then(events => events.map(
         event => _.pick(event.returnValues, ['id', 'url', 'validFrom']),
@@ -45,10 +52,10 @@ class EthereumOracleAdapter extends OracleGateway {
       })));
   }
 
-  sendResponse(response) {
+  public sendResponse(response): Promise<void> {
     this.pendingResponses.push(response);
     return new Promise((resolve, reject) => {
-      this.emitter.on(EthereumOracleAdapter._finishedEventName(response.requestId), (error) => {
+      this.emitter.on(EthereumOracleAdapter.finishedEventName(response.requestId), (error) => {
         if (error) {
           reject(error);
         } else {
@@ -58,7 +65,7 @@ class EthereumOracleAdapter extends OracleGateway {
     });
   }
 
-  async _sendPendingResponse() {
+  private async sendPendingResponse(): Promise<void> {
     if (this.guard) {
       return;
     }
@@ -84,7 +91,7 @@ class EthereumOracleAdapter extends OracleGateway {
       error = e;
     }
 
-    this.emitter.emit(EthereumOracleAdapter._finishedEventName(response.requestId), error);
+    this.emitter.emit(EthereumOracleAdapter.finishedEventName(response.requestId), error);
     this.guard = false;
   }
 }
diff --git a/src/infrastructure/blockchain/ethereum/createAndUnlockWeb3.ts b/src/infrastructure/blockchain/ethereum/createAndUnlockWeb3.ts
index 2493f8e..6a0240f 100644
--- a/src/infrastructure/blockchain/ethereum/createAndUnlockWeb3.ts
+++ b/src/infrastructure/blockchain/ethereum/createAndUnlockWeb3.ts
@@ -1,5 +1,6 @@
-import Web3 from 'web3';
+import * as Web3 from 'web3';
 
+// @ts-ignore
 const web3 = new Web3(process.env.NODE_URL);
 
 web3.eth.accounts.wallet.add(process.env.PRIVATE_KEY);
diff --git a/src/infrastructure/persistence/PersistenceConnectionInitializer.ts b/src/infrastructure/persistence/PersistenceConnectionInitializer.ts
index 0236bfe..c55555f 100644
--- a/src/infrastructure/persistence/PersistenceConnectionInitializer.ts
+++ b/src/infrastructure/persistence/PersistenceConnectionInitializer.ts
@@ -1,4 +1,4 @@
-import mongoose from 'mongoose';
+import * as mongoose from 'mongoose';
 import { PersistenceType } from './PersistenceType';
 
 class PersistenceConnectionInitializer {
diff --git a/src/infrastructure/persistence/RequestRepositoryFactory.spec.ts b/src/infrastructure/persistence/RequestRepositoryFactory.spec.ts
index 4a0c839..d5f5c2e 100644
--- a/src/infrastructure/persistence/RequestRepositoryFactory.spec.ts
+++ b/src/infrastructure/persistence/RequestRepositoryFactory.spec.ts
@@ -1,27 +1,27 @@
-import { describe, it } from 'mocha';
 import { expect } from 'chai';
-import RequestRepositoryFactory from './RequestRepositoryFactory';
+import { describe, it } from 'mocha';
+import {ConsoleLoggerAdapter} from '../../adapter';
 import InMemoryRequestRepository from './inmemory/InMemoryRequestRepositoryAdapter';
 import MongoDBRequestRepository from './mongodb/MongoDbRequestRepositoryAdapter';
-import { Logger } from '../../domain/common/utils/TestMocks';
+import RequestRepositoryFactory from './RequestRepositoryFactory';
 
 describe('RequestRepositoryFactory', () => {
   it('should create InMemoryRequestRepository when type is INMEMORY', () => {
     // when
-    const requestRepository = RequestRepositoryFactory.create('INMEMORY', new Logger());
+    const requestRepository = RequestRepositoryFactory.create('INMEMORY', new ConsoleLoggerAdapter());
     // then
     expect(requestRepository).to.be.an.instanceOf(InMemoryRequestRepository);
   });
 
   it('should create MongoDBRequestRepository when type if MONGODB', () => {
     // when
-    const requestRepository = RequestRepositoryFactory.create('MONGODB', new Logger());
+    const requestRepository = RequestRepositoryFactory.create('MONGODB', new ConsoleLoggerAdapter());
     // then
     expect(requestRepository).to.be.an.instanceOf(MongoDBRequestRepository);
   });
 
   it('should fail if type is neither INMEMORY nor MONGODB', () => {
     // when/then
-    expect(() => RequestRepositoryFactory.create('INVALID', new Logger())).to.throw();
+    expect(() => RequestRepositoryFactory.create('INVALID', new ConsoleLoggerAdapter())).to.throw();
   });
 });
diff --git a/src/infrastructure/persistence/ResponseRepositoryFactory.spec.ts b/src/infrastructure/persistence/ResponseRepositoryFactory.spec.ts
index fd172fd..d28e42c 100644
--- a/src/infrastructure/persistence/ResponseRepositoryFactory.spec.ts
+++ b/src/infrastructure/persistence/ResponseRepositoryFactory.spec.ts
@@ -1,28 +1,27 @@
-import { describe, it } from 'mocha';
 import { expect } from 'chai';
-import ResponseRepositoryFactory from './ResponseRepositoryFactory';
+import { describe, it } from 'mocha';
+import {ConsoleLoggerAdapter} from '../../adapter';
 import InMemoryResponseRepository from './inmemory/InMemoryResponseRepositoryAdapter';
 import MongoDbResponseRepository from './mongodb/MongoDbResponseRepositoryAdapter';
-import { Logger } from '../../domain/common/utils/TestMocks';
-
+import ResponseRepositoryFactory from './ResponseRepositoryFactory';
 
 describe('ResponseRepositoryFactory', () => {
   it('should create InMemoryResponseRepository when type is INMEMORY', () => {
     // when
-    const responseRepository = ResponseRepositoryFactory.create('INMEMORY', new Logger());
+    const responseRepository = ResponseRepositoryFactory.create('INMEMORY', new ConsoleLoggerAdapter());
     // then
     expect(responseRepository).to.be.an.instanceOf(InMemoryResponseRepository);
   });
 
   it('should create MongoDbResponseRepository when type if MONGODB', () => {
     // when
-    const responseRepository = ResponseRepositoryFactory.create('MONGODB', new Logger());
+    const responseRepository = ResponseRepositoryFactory.create('MONGODB', new ConsoleLoggerAdapter());
     // then
     expect(responseRepository).to.be.an.instanceOf(MongoDbResponseRepository);
   });
 
   it('should fail if type is neither INMEMORY nor MONGODB', () => {
     // when/then
-    expect(() => ResponseRepositoryFactory.create('INVALID',  new Logger())).to.throw();
+    expect(() => ResponseRepositoryFactory.create('INVALID',  new ConsoleLoggerAdapter())).to.throw();
   });
 });
diff --git a/src/infrastructure/persistence/inmemory/InMemoryRequestRepositoryAdapter.ts b/src/infrastructure/persistence/inmemory/InMemoryRequestRepositoryAdapter.ts
index 44062e5..f61bc60 100644
--- a/src/infrastructure/persistence/inmemory/InMemoryRequestRepositoryAdapter.ts
+++ b/src/infrastructure/persistence/inmemory/InMemoryRequestRepositoryAdapter.ts
@@ -1,30 +1,41 @@
+import Request from '@core/domain/request/Request';
+import { RequestStateEnum } from '@core/domain/request/RequestStateEnum';
 import RequestRepositoryPort from '../../../domain/request/port/RequestRepositoryPort';
-import { RequestStateEnum } from '../../../domain/request/RequestStateEnum';
 
-class InMemoryRequestRepositoryAdapter extends RequestRepositoryPort {
-  requests: Map<any, any>;
+class InMemoryRequestRepositoryAdapter implements RequestRepositoryPort {
+  private requests: Map<string, Request>;
+
   constructor() {
-    super();
     this.requests = new Map();
   }
 
-  exists(id) {
-    return this.requests.has(id);
+  get(id): Promise<Request> {
+    return Promise.resolve(this.requests.get(id));
+  }
+
+  exists(id): Promise<boolean> {
+    return Promise.resolve(this.requests.has(id));
   }
 
-  save(request) {
+  save(request): Promise<void> {
     this.requests.set(request.id, request);
+
+    return Promise.resolve();
   }
 
-  getScheduledRequestsWithValidFromBeforeNow() {
-    return Array.from(this.requests.values())
+  getScheduledRequestsWithValidFromBeforeNow(): Promise<Request[]> {
+    const requests = Array.from(this.requests.values())
       .filter(request => request.state.name ===  RequestStateEnum.SCHEDULED)
       .filter(request => request.validFrom <= Date.now());
+
+    return Promise.resolve(requests);
   }
 
-  getReadyRequests() {
-    return Array.from(this.requests.values())
+  getReadyRequests(): Promise<Request[]> {
+    const requests = Array.from(this.requests.values())
       .filter(request => request.state.name === RequestStateEnum.READY);
+
+    return Promise.resolve(requests);
   }
 }
 
diff --git a/src/infrastructure/persistence/inmemory/InMemoryResponseRepositoryAdapter.ts b/src/infrastructure/persistence/inmemory/InMemoryResponseRepositoryAdapter.ts
index f356237..246549f 100644
--- a/src/infrastructure/persistence/inmemory/InMemoryResponseRepositoryAdapter.ts
+++ b/src/infrastructure/persistence/inmemory/InMemoryResponseRepositoryAdapter.ts
@@ -1,14 +1,20 @@
+import Response from '@core/domain/response/Response';
 import ResponseRepositoryPort from '../../../domain/response/port/ResponseRepositoryPort';
 
-class InMemoryResponseRepositoryAdapter extends ResponseRepositoryPort {
-  responses: Map<any, any>;
+class InMemoryResponseRepositoryAdapter implements ResponseRepositoryPort {
+  responses: Map<string, Response>;
   constructor() {
-    super();
     this.responses = new Map();
   }
 
-  save(response) {
+  save(response): Promise<void> {
     this.responses.set(response.requestId, response);
+
+    return Promise.resolve();
+  }
+
+  get(responseId: string): Promise<Response> {
+    return Promise.resolve(this.responses.get(responseId));
   }
 }
 
diff --git a/src/infrastructure/persistence/mongodb/MongoDbRequestRepositoryAdapter.ts b/src/infrastructure/persistence/mongodb/MongoDbRequestRepositoryAdapter.ts
index 8baffc3..99c8daf 100644
--- a/src/infrastructure/persistence/mongodb/MongoDbRequestRepositoryAdapter.ts
+++ b/src/infrastructure/persistence/mongodb/MongoDbRequestRepositoryAdapter.ts
@@ -1,22 +1,27 @@
 import { omit } from 'lodash';
 
+import {LoggerPort} from '@core/domain/common/port';
+import { RequestStateEnum } from '@core/domain/request/RequestStateEnum';
 import RequestRepositoryPort from '../../../domain/request/port/RequestRepositoryPort';
 import Request from '../../../domain/request/Request';
-import { RequestStateEnum } from '../../../domain/request/RequestStateEnum';
 import RequestModel from './RequestModel';
 
-class MongoDbRequestRepositoryAdapter extends RequestRepositoryPort {
-  constructor(private logger) {
-    super();
-  }
+class MongoDbRequestRepositoryAdapter implements RequestRepositoryPort {
+  constructor(private readonly logger: LoggerPort) {}
 
-  async exists(id) {
+  async exists(id): Promise<boolean> {
     const count = await RequestModel.count({ _id: id });
 
     return count > 0;
   }
 
-  save(request) {
+  public async get(id): Promise<Request> {
+    const result = await RequestModel.findById(id);
+
+    return this.mapMongoResultToDomainRequest(result);
+  }
+
+  public async save(request): Promise<void> {
     const mongoRequest = RequestModel({
       _id: request.id,
       url: request.url,
@@ -33,26 +38,29 @@ class MongoDbRequestRepositoryAdapter extends RequestRepositoryPort {
     ).then(result => this.logger.info(`Request saved into database [request=${JSON.stringify(result)}]`));
   }
 
-  async getScheduledRequestsWithValidFromBeforeNow() {
+  public async getScheduledRequestsWithValidFromBeforeNow(): Promise<Request[]> {
     const results = await RequestModel.find({
       state: RequestStateEnum.SCHEDULED,
       validFrom: { $lt: Date.now() },
     }).exec();
 
-    return this._mapMongoResultsToDomainRequests(results);
+    return this.mapMongoResultsToDomainRequests(results);
   }
 
-  async getReadyRequests() {
+  public async getReadyRequests(): Promise<Request[]> {
     const results = await RequestModel.find({
       state: RequestStateEnum.READY,
     }).exec();
 
-    return this._mapMongoResultsToDomainRequests(results);
+    return this.mapMongoResultsToDomainRequests(results);
+  }
+
+  private mapMongoResultsToDomainRequests(results): Request[] {
+    return results.map(this.mapMongoResultToDomainRequest);
   }
 
-  _mapMongoResultsToDomainRequests(results) {
-    return results
-      .map(result => new Request(result._id, result.url, result.validFrom, result.state));
+  private mapMongoResultToDomainRequest(result): Request {
+    return new Request(result._id, result.url, result.validFrom, result.state);
   }
 }
 
diff --git a/src/infrastructure/persistence/mongodb/MongoDbResponseRepositoryAdapter.ts b/src/infrastructure/persistence/mongodb/MongoDbResponseRepositoryAdapter.ts
index cb66b8f..f44a400 100644
--- a/src/infrastructure/persistence/mongodb/MongoDbResponseRepositoryAdapter.ts
+++ b/src/infrastructure/persistence/mongodb/MongoDbResponseRepositoryAdapter.ts
@@ -1,15 +1,15 @@
+import {LoggerPort} from '@core/domain/common/port';
+import Response from '@core/domain/response/Response';
 import { omit } from 'lodash';
 import ResponseRepositoryPort from '../../../domain/response/port/ResponseRepositoryPort';
 import ResponseModel from './ResponseModel';
 
-class MongoDbResponseRepositoryAdapter extends ResponseRepositoryPort {
-  logger: any;
-  constructor(logger) {
-    super();
+class MongoDbResponseRepositoryAdapter implements ResponseRepositoryPort {
+  constructor(private readonly logger: LoggerPort) {
     this.logger = logger;
   }
 
-  save(response) {
+  public async save(response): Promise<void> {
     const mongoResponse = new ResponseModel({
       _id: response.requestId,
       fetchedData: response.fetchedData,
@@ -25,6 +25,16 @@ class MongoDbResponseRepositoryAdapter extends ResponseRepositoryPort {
       { upsert: true, new: true },
     ).then(result => this.logger.info(`Response saved into database [response=${JSON.stringify(result)}]`));
   }
+
+  public async get(responseId: string): Promise<Response> {
+    const responseModel = await ResponseModel.findById(responseId);
+
+    const response = new Response(responseModel._id);
+    response.addFetchedData(responseModel.fetchedData);
+    response.addSelectedData(responseModel.selectedData);
+
+    return response;
+  }
 }
 
 export default MongoDbResponseRepositoryAdapter;
diff --git a/src/infrastructure/selectors/IdentitySelectorAdapter.ts b/src/infrastructure/selectors/IdentitySelectorAdapter.ts
index dbcb21d..a89eefe 100644
--- a/src/infrastructure/selectors/IdentitySelectorAdapter.ts
+++ b/src/infrastructure/selectors/IdentitySelectorAdapter.ts
@@ -1,6 +1,6 @@
-import { DataSelectorPort } from "../../domain/common/port";
+import { DataSelectorPort } from '../../domain/common/port';
 
-class IdentitySelectorAdapter extends DataSelectorPort {
+class IdentitySelectorAdapter implements DataSelectorPort {
   canHandle(contentType) {
     return contentType === 'ipfs';
   }
diff --git a/src/infrastructure/selectors/JsonSelectorAdapter.ts b/src/infrastructure/selectors/JsonSelectorAdapter.ts
index 093d3c2..d6ff174 100644
--- a/src/infrastructure/selectors/JsonSelectorAdapter.ts
+++ b/src/infrastructure/selectors/JsonSelectorAdapter.ts
@@ -3,7 +3,7 @@ import * as jp from 'jsonpath';
 import JsonResultConverter from '../../application/selector/json/JsonResultConverter';
 import DataSelectorPort from '../../domain/common/port/DataSelectorPort';
 
-class JsonSelectorAdapter extends DataSelectorPort {
+class JsonSelectorAdapter implements DataSelectorPort {
   canHandle(contentType) {
     return contentType === 'json';
   }
diff --git a/src/infrastructure/selectors/XmlSelectorAdapter.ts b/src/infrastructure/selectors/XmlSelectorAdapter.ts
index d814f95..decea57 100644
--- a/src/infrastructure/selectors/XmlSelectorAdapter.ts
+++ b/src/infrastructure/selectors/XmlSelectorAdapter.ts
@@ -1,12 +1,12 @@
+import { DOMParser, XMLSerializer } from 'xmldom';
 import * as xpath from 'xpath';
-import { XMLSerializer, DOMParser } from 'xmldom';
 import DataSelectorPort from '../../domain/common/port/DataSelectorPort';
 
-class XmlSelectorAdapter extends DataSelectorPort {
-  domParser: any;
-  xmlSerializer: any;
+class XmlSelectorAdapter implements DataSelectorPort {
+  private readonly domParser: DOMParser;
+  private readonly xmlSerializer: XMLSerializer;
+
   constructor() {
-    super();
     this.domParser = new DOMParser();
     this.xmlSerializer = new XMLSerializer();
   }
diff --git a/tsconfig.json b/tsconfig.json
index 9244477..037c46d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,6 @@
 {
     "compilerOptions": {
+        "target": "esnext",
         "outDir": "./dist",
         "noUnusedLocals": true,
         "noImplicitReturns": true,
@@ -16,4 +17,4 @@
     "typeRoots": [
         "node_modules/@types"
     ]
-}
\ No newline at end of file
+}
diff --git a/tslint.json b/tslint.json
index 022a991..2b81365 100644
--- a/tslint.json
+++ b/tslint.json
@@ -10,7 +10,8 @@
         "arrow-parens": false,
         "max-line-length": [true, 140],
         "no-console": [true, "debug"],
-        "object-literal-sort-keys": false
+        "object-literal-sort-keys": false,
+        "interface-name": false
     },
     "rulesDirectory": []
-}
\ No newline at end of file
+}