diff --git a/package-lock.json b/package-lock.json
index dbab607c..de7b435e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -87,7 +87,8 @@
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+      "dev": true
     },
     "ansi-styles": {
       "version": "4.3.0",
@@ -269,7 +270,8 @@
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
     },
     "base": {
       "version": "0.11.2",
@@ -345,9 +347,9 @@
       "dev": true
     },
     "bignumber.js": {
-      "version": "git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2",
-      "from": "git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2",
-      "dev": true
+      "version": "git+ssh://git@github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2",
+      "dev": true,
+      "from": "bignumber.js@git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2"
     },
     "binary-extensions": {
       "version": "1.11.0",
@@ -366,9 +368,9 @@
       }
     },
     "bluebird": {
-      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
-      "integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw=="
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
     },
     "bn.js": {
       "version": "4.11.8",
@@ -380,6 +382,7 @@
       "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"
@@ -540,7 +543,8 @@
     "builtin-modules": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
-      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8="
+      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
+      "dev": true
     },
     "builtin-status-codes": {
       "version": "3.0.0",
@@ -692,7 +696,8 @@
     "code-point-at": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+      "dev": true
     },
     "collection-visit": {
       "version": "1.0.0",
@@ -725,6 +730,11 @@
       "integrity": "sha512-rhP0JSBGYvpcNQj4s5AdShMeE5ahMop96cTeDl/v9qQQm2fYClE2QXZRi8wLzc+GmXSxdIqqbOIAhyObEXDbfQ==",
       "dev": true
     },
+    "command-exists": {
+      "version": "1.2.9",
+      "resolved": "https://registry.npmjs.org/command-exists/-/command-exists-1.2.9.tgz",
+      "integrity": "sha512-LTQ/SGc+s0Xc0Fu5WaKnR0YiygZkm9eKFvyS+fRsU7/ZWFF8ykFM6Pc9aCVf1+xasOOZpO3BAVgVrKvsqKHV7w=="
+    },
     "commander": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.3.0.tgz",
@@ -740,7 +750,8 @@
     "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
     },
     "console-browserify": {
       "version": "1.1.0",
@@ -875,7 +886,8 @@
     "decamelize": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
-      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
+      "dev": true
     },
     "decode-uri-component": {
       "version": "0.2.0",
@@ -1060,6 +1072,7 @@
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
       "integrity": "sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==",
+      "dev": true,
       "requires": {
         "is-arrayish": "^0.2.1"
       }
@@ -1645,6 +1658,11 @@
         }
       }
     },
+    "follow-redirects": {
+      "version": "1.15.9",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.9.tgz",
+      "integrity": "sha512-gew4GsXizNgdoRyqmyfMHyAmXsZDk6mHkSxZFCzW9gwlbtOW44CDtYavM+y+72qD/Vq2l550kMF52DT8fOLJqQ=="
+    },
     "for-in": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
@@ -1669,22 +1687,11 @@
         "map-cache": "^0.2.2"
       }
     },
-    "fs-extra": {
-      "version": "0.30.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-0.30.0.tgz",
-      "integrity": "sha1-8jP/zAjU2n1DLapEl3aYnbHfk/A=",
-      "requires": {
-        "graceful-fs": "^4.1.2",
-        "jsonfile": "^2.1.0",
-        "klaw": "^1.0.0",
-        "path-is-absolute": "^1.0.0",
-        "rimraf": "^2.2.8"
-      }
-    },
     "fs.realpath": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
     },
     "fsevents": {
       "version": "1.2.13",
@@ -1715,7 +1722,8 @@
     "get-caller-file": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
-      "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w=="
+      "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
+      "dev": true
     },
     "get-intrinsic": {
       "version": "1.0.2",
@@ -1744,6 +1752,7 @@
       "version": "7.1.2",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
       "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+      "dev": true,
       "requires": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -1823,7 +1832,8 @@
     "graceful-fs": {
       "version": "4.1.11",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.11.tgz",
-      "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg="
+      "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg=",
+      "dev": true
     },
     "growl": {
       "version": "1.9.2",
@@ -1953,7 +1963,8 @@
     "hosted-git-info": {
       "version": "2.7.1",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.7.1.tgz",
-      "integrity": "sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w=="
+      "integrity": "sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w==",
+      "dev": true
     },
     "https-browserify": {
       "version": "1.0.0",
@@ -1992,6 +2003,7 @@
       "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"
@@ -2000,7 +2012,8 @@
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
     },
     "interpret": {
       "version": "1.1.0",
@@ -2011,7 +2024,8 @@
     "invert-kv": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
-      "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY="
+      "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY=",
+      "dev": true
     },
     "ip": {
       "version": "1.1.5",
@@ -2040,7 +2054,8 @@
     "is-arrayish": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
-      "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0="
+      "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=",
+      "dev": true
     },
     "is-binary-path": {
       "version": "1.0.1",
@@ -2061,6 +2076,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz",
       "integrity": "sha1-VAVy0096wxGfj3bDDLwbHgN6/74=",
+      "dev": true,
       "requires": {
         "builtin-modules": "^1.0.0"
       }
@@ -2136,6 +2152,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
       "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+      "dev": true,
       "requires": {
         "number-is-nan": "^1.0.0"
       }
@@ -2248,7 +2265,8 @@
     "is-utf8": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-utf8/-/is-utf8-0.2.1.tgz",
-      "integrity": "sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI="
+      "integrity": "sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=",
+      "dev": true
     },
     "is-windows": {
       "version": "1.0.2",
@@ -2425,14 +2443,6 @@
       "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
       "dev": true
     },
-    "jsonfile": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
-      "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
-      "requires": {
-        "graceful-fs": "^4.1.6"
-      }
-    },
     "keccakjs": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/keccakjs/-/keccakjs-0.2.1.tgz",
@@ -2452,14 +2462,6 @@
         "is-buffer": "^1.1.5"
       }
     },
-    "klaw": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/klaw/-/klaw-1.3.1.tgz",
-      "integrity": "sha1-QIhDO0azsbolnXh4XY6W9zugJDk=",
-      "requires": {
-        "graceful-fs": "^4.1.9"
-      }
-    },
     "lazy-cache": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-1.0.4.tgz",
@@ -2470,6 +2472,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/lcid/-/lcid-1.0.0.tgz",
       "integrity": "sha1-MIrMr6C8SDo4Z7S28rlQYlHRuDU=",
+      "dev": true,
       "requires": {
         "invert-kv": "^1.0.0"
       }
@@ -2532,7 +2535,8 @@
     "lodash.assign": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/lodash.assign/-/lodash.assign-4.2.0.tgz",
-      "integrity": "sha1-DZnzzNem0mHRm9rrkkUAXShYCOc="
+      "integrity": "sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=",
+      "dev": true
     },
     "lodash.debounce": {
       "version": "4.0.8",
@@ -2696,6 +2700,7 @@
       "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"
       }
@@ -2906,6 +2911,7 @@
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.4.0.tgz",
       "integrity": "sha512-9jjUFbTPfEy3R/ad/2oNbKtW9Hgovl5O1FvFWKkKblNXoN/Oou6+9+KKohPK13Yc3/TyunyWhJp6gvRNR/PPAw==",
+      "dev": true,
       "requires": {
         "hosted-git-info": "^2.1.4",
         "is-builtin-module": "^1.0.0",
@@ -2934,7 +2940,8 @@
     "number-is-nan": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
-      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+      "dev": true
     },
     "number-to-bn": {
       "version": "1.7.0",
@@ -3038,6 +3045,7 @@
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
       "requires": {
         "wrappy": "1"
       }
@@ -3097,6 +3105,11 @@
         "mem": "^1.1.0"
       }
     },
+    "os-tmpdir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "integrity": "sha512-D2FR03Vir7FIu45XBY20mTb+/ZSWB00sjU9jdQXt83gDrI4Ztz5Fs7/yy74g2N5SVQY4xY1qDr4rNddwYRVX0g=="
+    },
     "p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
@@ -3185,6 +3198,7 @@
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
       "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+      "dev": true,
       "requires": {
         "error-ex": "^1.2.0"
       }
@@ -3216,7 +3230,8 @@
     "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",
@@ -3261,17 +3276,20 @@
     "pify": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
-      "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
+      "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+      "dev": true
     },
     "pinkie": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/pinkie/-/pinkie-2.0.4.tgz",
-      "integrity": "sha1-clVrgM+g1IqXToDnckjoDtT3+HA="
+      "integrity": "sha1-clVrgM+g1IqXToDnckjoDtT3+HA=",
+      "dev": true
     },
     "pinkie-promise": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz",
       "integrity": "sha1-ITXW36ejWMBprJsXh3YogihFD/o=",
+      "dev": true,
       "requires": {
         "pinkie": "^2.0.0"
       }
@@ -3532,17 +3550,14 @@
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
-      "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I="
-    },
-    "require-from-string": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-1.2.1.tgz",
-      "integrity": "sha1-UpyczvJzgK3+yaL5ZbZJu+5jZBg="
+      "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I=",
+      "dev": true
     },
     "require-main-filename": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
-      "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE="
+      "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
+      "dev": true
     },
     "resolve": {
       "version": "1.1.7",
@@ -3577,14 +3592,6 @@
         "align-text": "^0.1.1"
       }
     },
-    "rimraf": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
-      "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
-      "requires": {
-        "glob": "^7.0.5"
-      }
-    },
     "ripemd160": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-2.0.2.tgz",
@@ -3638,7 +3645,8 @@
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
-      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
+      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
+      "dev": true
     },
     "set-immediate-shim": {
       "version": "1.0.1",
@@ -3864,155 +3872,28 @@
       "dev": true
     },
     "solc": {
-      "version": "0.4.24",
-      "resolved": "https://registry.npmjs.org/solc/-/solc-0.4.24.tgz",
-      "integrity": "sha512-2xd7Cf1HeVwrIb6Bu1cwY2/TaLRodrppCq3l7rhLimFQgmxptXhTC3+/wesVLpB09F1A2kZgvbMOgH7wvhFnBQ==",
-      "requires": {
-        "fs-extra": "^0.30.0",
+      "version": "0.8.26",
+      "resolved": "https://registry.npmjs.org/solc/-/solc-0.8.26.tgz",
+      "integrity": "sha512-yiPQNVf5rBFHwN6SIf3TUUvVAFKcQqmSUFeq+fb6pNRCo0ZCgpYOZDi3BVoezCPIAcKrVYd/qXlBLUP9wVrZ9g==",
+      "requires": {
+        "command-exists": "^1.2.8",
+        "commander": "^8.1.0",
+        "follow-redirects": "^1.12.1",
+        "js-sha3": "0.8.0",
         "memorystream": "^0.3.1",
-        "require-from-string": "^1.1.0",
-        "semver": "^5.3.0",
-        "yargs": "^4.7.1"
+        "semver": "^5.5.0",
+        "tmp": "0.0.33"
       },
       "dependencies": {
-        "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo="
-        },
-        "cliui": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
-          "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
-          "requires": {
-            "string-width": "^1.0.1",
-            "strip-ansi": "^3.0.1",
-            "wrap-ansi": "^2.0.0"
-          }
-        },
-        "find-up": {
-          "version": "1.1.2",
-          "resolved": "https://registry.npmjs.org/find-up/-/find-up-1.1.2.tgz",
-          "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
-          "requires": {
-            "path-exists": "^2.0.0",
-            "pinkie-promise": "^2.0.0"
-          }
-        },
-        "load-json-file": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
-          "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
-          "requires": {
-            "graceful-fs": "^4.1.2",
-            "parse-json": "^2.2.0",
-            "pify": "^2.0.0",
-            "pinkie-promise": "^2.0.0",
-            "strip-bom": "^2.0.0"
-          }
-        },
-        "os-locale": {
-          "version": "1.4.0",
-          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
-          "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
-          "requires": {
-            "lcid": "^1.0.0"
-          }
-        },
-        "path-exists": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-2.1.0.tgz",
-          "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
-          "requires": {
-            "pinkie-promise": "^2.0.0"
-          }
-        },
-        "path-type": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
-          "integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
-          "requires": {
-            "graceful-fs": "^4.1.2",
-            "pify": "^2.0.0",
-            "pinkie-promise": "^2.0.0"
-          }
-        },
-        "read-pkg": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-1.1.0.tgz",
-          "integrity": "sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=",
-          "requires": {
-            "load-json-file": "^1.0.0",
-            "normalize-package-data": "^2.3.2",
-            "path-type": "^1.0.0"
-          }
-        },
-        "read-pkg-up": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-1.0.1.tgz",
-          "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
-          "requires": {
-            "find-up": "^1.0.0",
-            "read-pkg": "^1.0.0"
-          }
-        },
-        "string-width": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-          "requires": {
-            "code-point-at": "^1.0.0",
-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
-          }
-        },
-        "strip-bom": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
-          "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
-          "requires": {
-            "is-utf8": "^0.2.0"
-          }
-        },
-        "which-module": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
-          "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8="
-        },
-        "window-size": {
-          "version": "0.2.0",
-          "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.2.0.tgz",
-          "integrity": "sha1-tDFbtCFKPXBY6+7okuE/ok2YsHU="
-        },
-        "yargs": {
-          "version": "4.8.1",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
-          "integrity": "sha1-wMQpJMpKqmsObaFznfshZDn53cA=",
-          "requires": {
-            "cliui": "^3.2.0",
-            "decamelize": "^1.1.1",
-            "get-caller-file": "^1.0.1",
-            "lodash.assign": "^4.0.3",
-            "os-locale": "^1.4.0",
-            "read-pkg-up": "^1.0.1",
-            "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
-            "set-blocking": "^2.0.0",
-            "string-width": "^1.0.1",
-            "which-module": "^1.0.0",
-            "window-size": "^0.2.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^2.4.1"
-          }
+        "commander": {
+          "version": "8.3.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-8.3.0.tgz",
+          "integrity": "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww=="
         },
-        "yargs-parser": {
-          "version": "2.4.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-2.4.1.tgz",
-          "integrity": "sha1-hVaN488VD/SfpRgl8DqMiA3cxcQ=",
-          "requires": {
-            "camelcase": "^3.0.0",
-            "lodash.assign": "^4.0.6"
-          }
+        "js-sha3": {
+          "version": "0.8.0",
+          "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.8.0.tgz",
+          "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
         }
       }
     },
@@ -4549,6 +4430,7 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.0.0.tgz",
       "integrity": "sha512-N19o9z5cEyc8yQQPukRCZ9EUmb4HUpnrmaL/fxS2pBo2jbfcFRVuFZ/oFC+vZz0MNNk0h80iMn5/S6qGZOL5+g==",
+      "dev": true,
       "requires": {
         "spdx-expression-parse": "^3.0.0",
         "spdx-license-ids": "^3.0.0"
@@ -4557,12 +4439,14 @@
     "spdx-exceptions": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.1.0.tgz",
-      "integrity": "sha512-4K1NsmrlCU1JJgUrtgEeTVyfx8VaYea9J9LvARxhbHtVtohPs/gFGG5yy49beySjlIMhhXZ4QqujIZEfS4l6Cg=="
+      "integrity": "sha512-4K1NsmrlCU1JJgUrtgEeTVyfx8VaYea9J9LvARxhbHtVtohPs/gFGG5yy49beySjlIMhhXZ4QqujIZEfS4l6Cg==",
+      "dev": true
     },
     "spdx-expression-parse": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz",
       "integrity": "sha512-Yg6D3XpRD4kkOmTpdgbUiEJFKghJH03fiC1OPll5h/0sO6neh2jqRDVHOQ4o/LMea0tgCkbMgea5ip/e+MkWyg==",
+      "dev": true,
       "requires": {
         "spdx-exceptions": "^2.1.0",
         "spdx-license-ids": "^3.0.0"
@@ -4571,7 +4455,8 @@
     "spdx-license-ids": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.0.tgz",
-      "integrity": "sha512-2+EPwgbnmOIl8HjGBXXMd9NAu02vLjOO1nWw4kmeRDFyHn+M/ETfHxQUK0oXg8ctgVnl9t3rosNVsZ1jG61nDA=="
+      "integrity": "sha512-2+EPwgbnmOIl8HjGBXXMd9NAu02vLjOO1nWw4kmeRDFyHn+M/ETfHxQUK0oXg8ctgVnl9t3rosNVsZ1jG61nDA==",
+      "dev": true
     },
     "split-string": {
       "version": "3.1.0",
@@ -4638,6 +4523,15 @@
       "integrity": "sha1-J5siXfHVgrH1TmWt3UNS4Y+qBxM=",
       "dev": true
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -4691,19 +4585,11 @@
         "define-properties": "^1.1.3"
       }
     },
-    "string_decoder": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "~5.1.0"
-      }
-    },
     "strip-ansi": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+      "dev": true,
       "requires": {
         "ansi-regex": "^2.0.0"
       }
@@ -4776,6 +4662,14 @@
         "setimmediate": "^1.0.4"
       }
     },
+    "tmp": {
+      "version": "0.0.33",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+      "requires": {
+        "os-tmpdir": "~1.0.2"
+      }
+    },
     "to-arraybuffer": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
@@ -5517,6 +5411,7 @@
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
       "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "dev": true,
       "requires": {
         "spdx-correct": "^3.0.0",
         "spdx-expression-parse": "^3.0.0"
@@ -5688,6 +5583,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "dev": true,
       "requires": {
         "string-width": "^1.0.1",
         "strip-ansi": "^3.0.1"
@@ -5697,6 +5593,7 @@
           "version": "1.0.2",
           "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "dev": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5708,7 +5605,8 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
     },
     "xhr": {
       "version": "2.6.0",
@@ -5767,7 +5665,8 @@
     "y18n": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
-      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
+      "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+      "dev": true
     },
     "yallist": {
       "version": "2.1.2",
diff --git a/package.json b/package.json
index 9de87084..2bdeaae2 100644
--- a/package.json
+++ b/package.json
@@ -20,9 +20,9 @@
   },
   "homepage": "https://github.com/ensdomains/ens#readme",
   "dependencies": {
-    "bluebird": "^3.5.2",
+    "bluebird": "^3.7.2",
     "eth-ens-namehash": "^2.0.8",
-    "solc": "^0.4.20",
+    "solc": "^0.8.26",
     "testrpc": "0.0.1"
   },
   "devDependencies": {