diff --git a/package-lock.json b/package-lock.json
index c05577b..1e497e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,20 +5,25 @@
   "requires": true,
   "dependencies": {
     "@babel/code-frame": {
-      "version": "7.5.5",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
-      "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
+      "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
       "requires": {
-        "@babel/highlight": "^7.0.0"
+        "@babel/highlight": "^7.8.3"
       }
     },
+    "@babel/helper-validator-identifier": {
+      "version": "7.9.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.9.0.tgz",
+      "integrity": "sha512-6G8bQKjOh+of4PV/ThDm/rRqlU7+IGoJuofpagU5GlEl29Vv0RGqqt86ZGRV8ZuSOY3o+8yXl5y782SMcG7SHw=="
+    },
     "@babel/highlight": {
-      "version": "7.5.0",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
-      "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
+      "version": "7.9.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.9.0.tgz",
+      "integrity": "sha512-lJZPilxX7Op3Nv/2cvFdnlepPXDxi29wxteT57Q965oc5R9v86ztx0jfxVrTcBk8C2kcPkkDa2Z4T3ZsPPVWsQ==",
       "requires": {
+        "@babel/helper-validator-identifier": "^7.9.0",
         "chalk": "^2.0.0",
-        "esutils": "^2.0.2",
         "js-tokens": "^4.0.0"
       }
     },
@@ -44,14 +49,14 @@
       "integrity": "sha512-QcAKpaO6nhHLlxWBvpc4WeLrTvPqlHOvaj0s5GriKkA1zq+bsFBPpfYCvQhLqLgYlIko8A9YrPdaMHCo5mBcpg=="
     },
     "acorn": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
-      "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA=="
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA=="
     },
     "acorn-jsx": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.2.tgz",
-      "integrity": "sha512-tiNTrP1MP0QrChmD2DdupCr6HWSFeKVw5d/dHTu4Y7rkAkRhU/Dt7dphAfIUyxtHpl/eBVip5uTNSpQJHylpAw=="
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.2.0.tgz",
+      "integrity": "sha512-HiUX/+K2YpkpJ+SzBffkM/AQ2YE03S0U1kjTLVpoJdhZMOWy8qvXVN9JdLqv2QsaQ6MPYQIuNmwD8zOiYUofLQ=="
     },
     "aes-js": {
       "version": "3.0.0",
@@ -59,11 +64,11 @@
       "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
     },
     "ajv": {
-      "version": "6.10.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-      "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+      "version": "6.12.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz",
+      "integrity": "sha512-D6gFiFA0RRLyUbvijN74DWAjXSFxWKaWP7mldxkVhyhAV3+SWA9HEJPHQ2c9soIeTFJqcSdFDGFgdqs1iUU2Hw==",
       "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"
@@ -348,9 +353,9 @@
       }
     },
     "big-integer": {
-      "version": "1.6.46",
-      "resolved": "https://registry.npmjs.org/big-integer/-/big-integer-1.6.46.tgz",
-      "integrity": "sha512-Vj2TNtZ8Y0XaL6HCkzJiEqfykjtv/9wVCWIutMe+QVIXLPe2tCLEzULtYvcX9WRtmNIj3Jqi5tNjIsR0N4QOsg=="
+      "version": "1.6.48",
+      "resolved": "https://registry.npmjs.org/big-integer/-/big-integer-1.6.48.tgz",
+      "integrity": "sha512-j51egjPa7/i+RdiRuJbPdJ2FIUYYPhvYLjzoYbcMMm62ooO6F94fETG4MTs46zPAF9Brs04OajboA/qTGuz78w=="
     },
     "binary-extensions": {
       "version": "1.13.1",
@@ -600,17 +605,6 @@
         "safe-buffer": "^5.0.1"
       }
     },
-    "circom": {
-      "version": "0.0.34",
-      "resolved": "https://registry.npmjs.org/circom/-/circom-0.0.34.tgz",
-      "integrity": "sha512-R7yNW8PtX2xREtLYWZ/o5cfKHT/qa+CveXsGVAX1ej7mPrTat9mlEMXEy2vX//IuP9/cnYTY/KxJ2SN05PUeGA==",
-      "dev": true,
-      "requires": {
-        "big-integer": "^1.6.32",
-        "optimist": "^0.6.1",
-        "yargs": "^12.0.2"
-      }
-    },
     "class-utils": {
       "version": "0.3.6",
       "resolved": "https://registry.npmjs.org/class-utils/-/class-utils-0.3.6.tgz",
@@ -1166,11 +1160,11 @@
       }
     },
     "eslint-utils": {
-      "version": "1.4.2",
-      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.2.tgz",
-      "integrity": "sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==",
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+      "integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
       "requires": {
-        "eslint-visitor-keys": "^1.0.0"
+        "eslint-visitor-keys": "^1.1.0"
       }
     },
     "eslint-visitor-keys": {
@@ -1194,11 +1188,18 @@
       "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
     },
     "esquery": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.1.tgz",
-      "integrity": "sha512-SmiyZ5zIWH9VM+SRUReLS5Q8a7GxtRdxEBVZpm98rJM7Sb+A9DVCndXfkeFUd3byderg+EbDkfnevfCwynWaNA==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.2.0.tgz",
+      "integrity": "sha512-weltsSqdeWIX9G2qQZz7KlTRJdkkOCTPgLYJUz1Hacf48R4YOwGPHO3+ORfWedqJKbq5WQmsgK90n+pFLIKt/Q==",
       "requires": {
-        "estraverse": "^4.0.0"
+        "estraverse": "^5.0.0"
+      },
+      "dependencies": {
+        "estraverse": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-5.0.0.tgz",
+          "integrity": "sha512-j3acdrMzqrxmJTNj5dbr1YbjacrYgAxVMeF0gK16E3j494mOe7xygM/ZLIguEQ0ETwAg2hlJCtHRGav+y0Ny5A=="
+        }
       }
     },
     "esrecurse": {
@@ -1516,14 +1517,14 @@
       }
     },
     "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="
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz",
+      "integrity": "sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA=="
     },
     "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="
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
     },
     "fast-levenshtein": {
       "version": "2.0.6",
@@ -1619,9 +1620,9 @@
       }
     },
     "flatted": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/flatted/-/flatted-2.0.1.tgz",
-      "integrity": "sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg=="
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/flatted/-/flatted-2.0.2.tgz",
+      "integrity": "sha512-r5wGx7YeOwNWNlCA0wQ86zKyDLMQr+/RB8xy74M4hTphfmjlijTSSXGuH8rnvKZnfT9i+75zmd8jcKdMR4O6jA=="
     },
     "flush-write-stream": {
       "version": "1.1.1",
@@ -2959,9 +2960,9 @@
       "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg=="
     },
     "import-fresh": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.1.0.tgz",
-      "integrity": "sha512-PpuksHKGt8rXfWEr9m9EHIpgyyaltBy8+eF6GJM0QCAxMgxCfucMF3mjecK2QsJr0amJW7gTqh5/wht0z2UhEQ==",
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.2.1.tgz",
+      "integrity": "sha512-6e1q1cnWP2RXD9/keSkxHScg508CdXqXWgWBaETNhyuBFz+kUZlKboh+ISK+bU++DmbHimVBrOz/zzPe0sZ3sQ==",
       "requires": {
         "parent-module": "^1.0.0",
         "resolve-from": "^4.0.0"
@@ -3859,35 +3860,17 @@
         "mimic-fn": "^1.0.0"
       }
     },
-    "optimist": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "wordwrap": {
-          "version": "0.0.3",
-          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-          "dev": true
-        }
-      }
-    },
     "optionator": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
-      "integrity": "sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=",
+      "version": "0.8.3",
+      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
+      "integrity": "sha512-+IW9pACdk3XWmmTXG8m3upGUJst5XRGzxMRjXzAuJ1XnIFNvfhjjIuYkDvysnPQ7qzqVzLt78BCruntqRhWQbA==",
       "requires": {
         "deep-is": "~0.1.3",
-        "fast-levenshtein": "~2.0.4",
+        "fast-levenshtein": "~2.0.6",
         "levn": "~0.3.0",
         "prelude-ls": "~1.1.2",
         "type-check": "~0.3.2",
-        "wordwrap": "~1.0.0"
+        "word-wrap": "~1.2.3"
       }
     },
     "ordered-read-streams": {
@@ -3929,9 +3912,9 @@
       "integrity": "sha512-Y3W0wlRPK8ZMRbNq97l4M5otioeA5lm1z7bkNkxCka8HSPjR0xRWmpCmc9utiaLP9Jb1eD8BgeIxTW4AIF45Pg=="
     },
     "p-limit": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.1.tgz",
-      "integrity": "sha512-85Tk+90UCVWvbDavCLKPOLC9vvY8OwEX/RtKF+/1OADJMVlFfEHOiMTPVyxg7mk/dKa+ipdHm0OUkTvCpMTuwg==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
+      "integrity": "sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==",
       "requires": {
         "p-try": "^2.0.0"
       }
@@ -4417,9 +4400,9 @@
       }
     },
     "run-async": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.3.0.tgz",
-      "integrity": "sha1-A3GrSuC91yDUFm19/aZP96RFpsA=",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.4.0.tgz",
+      "integrity": "sha512-xJTbh/d7Lm7SBhc1tNvTpeCHaEzoyxPrqNlvSdMfBTYwaY++UJFyXUOxAtsRUXjlqOfj8luNaR9vjCh4KeV+pg==",
       "requires": {
         "is-promise": "^2.1.0"
       }
@@ -4563,9 +4546,9 @@
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
     },
     "signal-exit": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
-      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
+      "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA=="
     },
     "simple-concat": {
       "version": "1.0.0",
@@ -4703,9 +4686,8 @@
       }
     },
     "snarkjs": {
-      "version": "0.1.20",
-      "resolved": "https://registry.npmjs.org/snarkjs/-/snarkjs-0.1.20.tgz",
-      "integrity": "sha512-tYmWiVm1sZiB44aIh5w/3HUaTntTUC4fv+CWs4rR0gfkt2KbHTpArOqZW++/Lxujrn9IypXVhdKVUr/eE6Hxfg==",
+      "version": "git+https://github.com/peppersec/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
+      "from": "git+https://github.com/peppersec/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
       "requires": {
         "big-integer": "^1.6.43",
         "chai": "^4.2.0",
@@ -4716,14 +4698,14 @@
       },
       "dependencies": {
         "keccak": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/keccak/-/keccak-2.0.0.tgz",
-          "integrity": "sha512-rKe/lRr0KGhjoz97cwg+oeT1Rj/Y4cjae6glArioUC8JBF9ROGZctwIaaruM7d7naovME4Q8WcQSO908A8qcyQ==",
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/keccak/-/keccak-2.1.0.tgz",
+          "integrity": "sha512-m1wbJRTo+gWbctZWay9i26v5fFnYkOn7D5PCxJ3fZUGUEb49dE1Pm4BREUYCt/aoO6di7jeoGmhvqN9Nzylm3Q==",
           "requires": {
-            "bindings": "^1.2.1",
-            "inherits": "^2.0.3",
-            "nan": "^2.2.1",
-            "safe-buffer": "^5.1.0"
+            "bindings": "^1.5.0",
+            "inherits": "^2.0.4",
+            "nan": "^2.14.0",
+            "safe-buffer": "^5.2.0"
           }
         }
       }
@@ -5594,10 +5576,10 @@
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
     },
-    "wordwrap": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
-      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
+    "word-wrap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ=="
     },
     "wrap-ansi": {
       "version": "2.1.0",
diff --git a/package.json b/package.json
index 992fed2..ca01889 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
   "dependencies": {
     "blake-hash": "^1.1.0",
     "blake2b": "^2.1.3",
-    "snarkjs": "^0.1.20",
+    "snarkjs": "git+https://github.com/peppersec/snarkjs.git#869181cfaf7526fe8972073d31655493a04326d5",
     "typedarray-to-buffer": "^3.1.5",
     "web3": "^1.0.0-beta.55"
   },