diff --git a/client/package-lock.json b/client/package-lock.json
index a050b86..b59d146 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -574,6 +574,14 @@
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@@ -1316,6 +1324,16 @@
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@@ -1408,6 +1426,17 @@
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+          "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
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+        "statuses": {
+          "version": "1.5.0",
+          "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+          "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
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+          "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
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@@ -1649,6 +1743,11 @@
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+      "resolved": "https://registry.npmjs.org/bsert/-/bsert-0.0.10.tgz",
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@@ -1674,6 +1773,11 @@
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       "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk="
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+      "resolved": "https://registry.npmjs.org/bufio/-/bufio-1.0.7.tgz",
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@@ -1705,6 +1809,15 @@
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
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+      "requires": {
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@@ -2130,6 +2243,16 @@
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+          "requires": {
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@@ -2292,6 +2415,22 @@
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+      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.3.tgz",
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-        "ms": "2.0.0"
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@@ -2759,6 +2905,16 @@
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@@ -2886,9 +3042,9 @@
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-      "integrity": "sha1-hk7xN5rO1Vzm+V3r7NzhefegzR0="
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-6.2.0.tgz",
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@@ -2962,6 +3118,14 @@
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+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
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@@ -3229,6 +3393,16 @@
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     "eslint-loader": {
@@ -3252,6 +3426,14 @@
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@@ -3304,6 +3486,14 @@
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@@ -3519,6 +3709,14 @@
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@@ -3633,6 +3831,36 @@
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           "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
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+          "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.2.tgz",
+          "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
+          "requires": {
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+            "content-type": "~1.0.4",
+            "debug": "2.6.9",
+            "depd": "~1.1.1",
+            "http-errors": "~1.6.2",
+            "iconv-lite": "0.4.19",
+            "on-finished": "~2.3.0",
+            "qs": "6.5.1",
+            "raw-body": "2.3.2",
+            "type-is": "~1.6.15"
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
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+          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.19.tgz",
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@@ -3643,6 +3871,40 @@
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+          "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.3.2.tgz",
+          "integrity": "sha1-vNYMd9Prk83gBQKVw/N5OJvIj4k=",
+          "requires": {
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+            "iconv-lite": "0.4.19",
+            "unpipe": "1.0.0"
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+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.1.tgz",
+      "integrity": "sha512-wpav5XYiddjXxirPoCTUPbqM0PXvJ9hiBMvuJgInvo4/lAOTZzUprArw17q2O1P2+GHhbBr18/iQwjL5Z9BqfA==",
       "requires": {
-        "camelcase": "^3.0.0"
+        "camelcase": "^3.0.0",
+        "object.assign": "^4.1.0"
       },
       "dependencies": {
         "camelcase": {
@@ -11641,6 +12316,30 @@
           "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo="
         }
       }
+    },
+    "zilliqa-js": {
+      "version": "0.1.19",
+      "resolved": "https://registry.npmjs.org/zilliqa-js/-/zilliqa-js-0.1.19.tgz",
+      "integrity": "sha512-V1F57WNDfshexD3/4CI1+pegXF/vWNSeC/PnKyaBGNG0OzeRStsMa/vpCImS8hLIX7kPZXj7NLmZrR7eMjhQmA==",
+      "requires": {
+        "bn.js": "^4.11.8",
+        "bsert": "^0.0.3",
+        "cross-fetch": "^2.2.2",
+        "elliptic": "^6.4.0",
+        "encoding": "^0.1.12",
+        "hash.js": "^1.1.5",
+        "hmac-drbg": "^1.0.1",
+        "randombytes": "^2.0.6",
+        "valid-url": "^1.0.9",
+        "whatwg-fetch": "^2.0.4"
+      },
+      "dependencies": {
+        "bsert": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/bsert/-/bsert-0.0.3.tgz",
+          "integrity": "sha512-3MnMGtKFjqEXSzfQnABAhCGTCOpSjJuhmxACInJxGwfT2Yz1eXipHg1feVi1CGG0wVaYPrgCs6FLr+Y79adY1A=="
+        }
+      }
     }
   }
 }
diff --git a/client/yarn.lock b/client/yarn.lock
index 23fd76f..59e71f1 100644
--- a/client/yarn.lock
+++ b/client/yarn.lock
@@ -3327,8 +3327,8 @@ homedir-polyfill@^1.0.1:
     parse-passwd "^1.0.0"
 
 hosted-git-info@^2.1.4:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
+  version "2.8.9"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
 
 hpack.js@^2.1.6:
   version "2.1.6"
@@ -4858,7 +4858,7 @@ no-case@^2.2.0:
 
 node-fetch@2.1.2:
   version "2.1.2"
-  resolved "http://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
+  resolved "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
 
 node-fetch@^1.0.1:
   version "1.7.3"