diff --git a/dapp-ui/package-lock.json b/dapp-ui/package-lock.json
index daac8c9..6948bb0 100644
--- a/dapp-ui/package-lock.json
+++ b/dapp-ui/package-lock.json
@@ -1571,14 +1571,21 @@
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+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
+        }
       }
     },
     "ajv-errors": {
@@ -4306,11 +4313,6 @@
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
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-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
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@@ -6753,7 +6755,8 @@
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               "version": "2.1.1",
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-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -6774,12 +6777,14 @@
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-              "dev": true
+              "dev": true,
+              "optional": true
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             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -6794,17 +6799,20 @@
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               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -6921,7 +6929,8 @@
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               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -6933,6 +6942,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -6947,6 +6957,7 @@
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               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -6954,12 +6965,14 @@
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               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "2.3.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -6978,6 +6991,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -7058,7 +7072,8 @@
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               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "4.1.1",
@@ -7070,6 +7085,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
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@@ -7155,7 +7171,8 @@
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               "version": "5.1.2",
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-              "dev": true
+              "dev": true,
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@@ -7191,6 +7208,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -7210,6 +7228,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -7253,12 +7272,14 @@
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               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "3.0.3",
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-              "dev": true
+              "dev": true,
+              "optional": true
             }
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@@ -11463,7 +11484,8 @@
             },
             "ansi-regex": {
               "version": "2.1.1",
-              "bundled": true
+              "bundled": true,
+              "optional": true
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               "version": "1.2.0",
@@ -11481,11 +11503,13 @@
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             "balanced-match": {
               "version": "1.0.0",
-              "bundled": true
+              "bundled": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
+              "optional": true,
               "requires": {
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                 "concat-map": "0.0.1"
@@ -11498,15 +11522,18 @@
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             "code-point-at": {
               "version": "1.1.0",
-              "bundled": true
+              "bundled": true,
+              "optional": true
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             "concat-map": {
               "version": "0.0.1",
-              "bundled": true
+              "bundled": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
-              "bundled": true
+              "bundled": true,
+              "optional": true
             },
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               "version": "1.0.2",
@@ -11609,7 +11636,8 @@
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             "inherits": {
               "version": "2.0.3",
-              "bundled": true
+              "bundled": true,
+              "optional": true
             },
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               "version": "1.3.5",
@@ -11619,6 +11647,7 @@
             "is-fullwidth-code-point": {
               "version": "1.0.0",
               "bundled": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -11631,17 +11660,20 @@
             "minimatch": {
               "version": "3.0.4",
               "bundled": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
             },
             "minimist": {
               "version": "0.0.8",
-              "bundled": true
+              "bundled": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -11658,6 +11690,7 @@
             "mkdirp": {
               "version": "0.5.1",
               "bundled": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -11730,7 +11763,8 @@
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             "number-is-nan": {
               "version": "1.0.1",
-              "bundled": true
+              "bundled": true,
+              "optional": true
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               "version": "4.1.1",
@@ -11740,6 +11774,7 @@
             "once": {
               "version": "1.4.0",
               "bundled": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -11815,7 +11850,8 @@
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             "safe-buffer": {
               "version": "5.1.2",
-              "bundled": true
+              "bundled": true,
+              "optional": true
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@@ -11845,6 +11881,7 @@
             "string-width": {
               "version": "1.0.2",
               "bundled": true,
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               "requires": {
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@@ -11862,6 +11899,7 @@
             "strip-ansi": {
               "version": "3.0.1",
               "bundled": true,
+              "optional": true,
               "requires": {
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@@ -11900,11 +11938,13 @@
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             "wrappy": {
               "version": "1.0.2",
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+              "bundled": true,
+              "optional": true
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-              "bundled": true
+              "bundled": true,
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@@ -12262,6 +12302,26 @@
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         "web3-core-helpers": "1.2.0",
         "websocket": "github:frozeman/WebSocket-Node#6c72925e3f8aaaea8dc8450f97627e85263999f2"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "websocket": {
+          "version": "github:frozeman/WebSocket-Node#6c72925e3f8aaaea8dc8450f97627e85263999f2",
+          "from": "github:frozeman/WebSocket-Node#browserifyCompatible",
+          "requires": {
+            "debug": "^2.2.0",
+            "nan": "^2.3.3",
+            "typedarray-to-buffer": "^3.1.2",
+            "yaeti": "^0.0.6"
+          }
+        }
       }
     },
     "web3-shh": {
@@ -12473,26 +12533,6 @@
         "wrap-ansi": "^5.1.0"
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-    "websocket": {
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-      "from": "github:frozeman/WebSocket-Node#browserifyCompatible",
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