diff --git a/ud-blockchain-proj5/smart_contracts/package-lock.json b/ud-blockchain-proj5/smart_contracts/package-lock.json
index 233dac0b..26d573d0 100644
--- a/ud-blockchain-proj5/smart_contracts/package-lock.json
+++ b/ud-blockchain-proj5/smart_contracts/package-lock.json
@@ -1223,6 +1223,14 @@
         "ethereumjs-util": "^5.1.1"
       },
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+        "ethereumjs-abi": {
+          "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
+          "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
+          "requires": {
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+            "ethereumjs-util": "^5.0.0"
+          }
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@@ -1304,7 +1312,7 @@
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-          "resolved": "http://registry.npmjs.org/ethereumjs-vm/-/ethereumjs-vm-2.3.4.tgz",
+          "resolved": "https://registry.npmjs.org/ethereumjs-vm/-/ethereumjs-vm-2.3.4.tgz",
           "integrity": "sha512-Y4SlzNDqxrCO58jhp98HdnZVdjOqB+HC0hoU+N/DEp1aU+hFkRX/nru5F7/HkQRPIlA6aJlQp/xIA6xZs1kspw==",
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@@ -1322,7 +1330,7 @@
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-          "resolved": "http://registry.npmjs.org/web3-provider-engine/-/web3-provider-engine-13.8.0.tgz",
+          "resolved": "https://registry.npmjs.org/web3-provider-engine/-/web3-provider-engine-13.8.0.tgz",
           "integrity": "sha512-fZXhX5VWwWpoFfrfocslyg6P7cN3YWPG/ASaevNfeO80R+nzgoPUBXcWQekSGSsNDkeRTis4aMmpmofYf1TNtQ==",
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@@ -1353,30 +1361,6 @@
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       "integrity": "sha1-L9w1dvIykDNYl26znaeDIT/5Uj8="
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-    "ethereumjs-abi": {
-      "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#2863c40e0982acfc0b7163f0285d4c56427c7799",
-      "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
-      "requires": {
-        "bn.js": "^4.10.0",
-        "ethereumjs-util": "^5.0.0"
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-        "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"
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     "ethereumjs-account": {
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@@ -1405,7 +1389,7 @@
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     "ethereumjs-block": {
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-      "resolved": "http://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-1.7.1.tgz",
+      "resolved": "https://registry.npmjs.org/ethereumjs-block/-/ethereumjs-block-1.7.1.tgz",
       "integrity": "sha512-B+sSdtqm78fmKkBq78/QLKJbu/4Ts4P2KFISdgcuZUPDm9x+N7qgBPIIFUGbaakQh8bzuquiRVbdmvPKqbILRg==",
       "requires": {
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@@ -1468,7 +1452,7 @@
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     "ethereumjs-util": {
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-      "resolved": "http://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz",
+      "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz",
       "integrity": "sha1-PpQosxfuvaPXJg2FT93alUsfG8Y=",
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@@ -1815,9 +1799,9 @@
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-      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.7.1.tgz",
-      "integrity": "sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w=="
+      "version": "2.8.9",
+      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.9.tgz",
+      "integrity": "sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw=="
     },
     "http-signature": {
       "version": "1.2.0",
@@ -2301,7 +2285,7 @@
       "dependencies": {
         "async": {
           "version": "1.5.2",
-          "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
           "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
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         "ethereumjs-util": {
@@ -2384,7 +2368,7 @@
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     "node-fetch": {
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-      "resolved": "http://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
       "integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U="
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@@ -3127,7 +3111,7 @@
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     "uuid": {
       "version": "2.0.3",
-      "resolved": "http://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
       "integrity": "sha1-Z+LoY3lyFVMN/zGOW/nc6/1Hsho="
     },
     "validate-npm-package-license": {