diff --git a/yarn.lock b/yarn.lock
index 5b430d3..82811dc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -988,23 +988,11 @@
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.7.0.tgz#9a06f4f137ee84d7df0460c1fdb1135ffa6c50fd"
   integrity sha512-ONhaKPIufzzrlNbqtWFFd+jlnemX6lJAgq9ZeiZtS7I1PIf/la7CW4m83rTXRnVnsMbW2k56pGYu7AUFJD9Pow==
 
-"@types/mkdirp@^0.5.2":
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/@types/mkdirp/-/mkdirp-0.5.2.tgz#503aacfe5cc2703d5484326b1b27efa67a339c1f"
-  integrity sha512-U5icWpv7YnZYGsN4/cmh3WD2onMY0aJIiTE6+51TwJCttdHvtCYmkBNOobHlXwrJRL0nkH9jH4kD+1FAdMN4Tg==
-  dependencies:
-    "@types/node" "*"
-
-"@types/node@*", "@types/node@^12.12.5":
+"@types/node@^12.12.5":
   version "12.12.14"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-12.12.14.tgz#1c1d6e3c75dba466e0326948d56e8bd72a1903d2"
   integrity sha512-u/SJDyXwuihpwjXy7hOOghagLEV1KdAST6syfnOk6QZAMzZuWZqXy5aYYZbh8Jdpd4escVFP0MvftHNDb9pruA==
 
-"@types/prettier@^1.13.2":
-  version "1.19.0"
-  resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-1.19.0.tgz#a2502fb7ce9b6626fdbfc2e2a496f472de1bdd05"
-  integrity sha512-gDE8JJEygpay7IjA/u3JiIURvwZW08f0cZSZLAzFoX/ZmeqvS0Sqv+97aKuHpNsalAMMhwPe+iAS6fQbfmbt7A==
-
 "@types/prop-types@*":
   version "15.7.3"
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.3.tgz#2ab0d5da2e5815f94b0b9d4b95d1e5f243ab2ca7"
@@ -1037,13 +1025,6 @@
     "@types/prop-types" "*"
     csstype "^2.2.0"
 
-"@types/resolve@^0.0.8":
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/@types/resolve/-/resolve-0.0.8.tgz#f26074d238e02659e323ce1a13d041eee280e194"
-  integrity sha512-auApPaJf3NPfe18hSoJkp8EbZzer2ISk7o8mCC3M9he/a04+gbMF97NkpD2S8riMGvm4BMRI59/SZQSaLTKpsQ==
-  dependencies:
-    "@types/node" "*"
-
 "@universal-login/commons@1.0.0-beta.0":
   version "1.0.0-beta.0"
   resolved "https://registry.yarnpkg.com/@universal-login/commons/-/commons-1.0.0-beta.0.tgz#335564e30cc6635eac99ec2439e61e5b3cf427db"
@@ -1286,11 +1267,11 @@ ajv-keywords@^3.1.0, ajv-keywords@^3.4.1:
   integrity sha512-RO1ibKvd27e6FEShVFfPALuHI3WjSVNeK5FIsmme/LYRNxjKuNj+Dt7bucLa6NdSv3JcVTyMlm9kGR84z1XpaQ==
 
 ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2:
-  version "6.10.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.2.tgz#d3cea04d6b017b2894ad69040fec8b623eb4bd52"
-  integrity sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
   dependencies:
-    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"
@@ -1396,20 +1377,6 @@ arr-union@^3.1.0:
   resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-3.1.0.tgz#e39b09aea9def866a8f206e288af63919bae39c4"
   integrity sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=
 
-array-back@^1.0.3, array-back@^1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/array-back/-/array-back-1.0.4.tgz#644ba7f095f7ffcf7c43b5f0dc39d3c1f03c063b"
-  integrity sha1-ZEun8JX3/898Q7Xw3DnTwfA8Bjs=
-  dependencies:
-    typical "^2.6.0"
-
-array-back@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/array-back/-/array-back-2.0.0.tgz#6877471d51ecc9c9bfa6136fb6c7d5fe69748022"
-  integrity sha512-eJv4pLLufP3g5kcZry0j6WXpIbzYw9GUB4mVJZno9wfwiBxbizTnHCw3VJb07cBihbFX48Y7oSrW9y+gt4glyw==
-  dependencies:
-    typical "^2.6.1"
-
 array-find-index@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
@@ -2171,15 +2138,6 @@ colors@1.1.2:
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
   integrity sha1-FopHAXVran9RoSzgyXv6KMCE7WM=
 
-command-line-args@^4.0.7:
-  version "4.0.7"
-  resolved "https://registry.yarnpkg.com/command-line-args/-/command-line-args-4.0.7.tgz#f8d1916ecb90e9e121eda6428e41300bfb64cc46"
-  integrity sha512-aUdPvQRAyBvQd2n7jXcsMDz68ckBJELXNzBybCHOibUWEg0mWTnaYCSRU8h9R+aNRSvDihJtssSRCiDRpLaezA==
-  dependencies:
-    array-back "^2.0.0"
-    find-replace "^1.0.3"
-    typical "^2.6.1"
-
 commander@2.9.0:
   version "2.9.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
@@ -2647,7 +2605,7 @@ debug@2.6.9, debug@^2.2.0, debug@^2.3.3:
   dependencies:
     ms "2.0.0"
 
-debug@^3.0.1, debug@^3.2.6:
+debug@^3.2.6:
   version "3.2.6"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
   integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
@@ -3111,7 +3069,7 @@ etag@1.8.1, etag@~1.8.1:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
   integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
 
-ethers@^4.0, ethers@^4.0.0, ethers@^4.0.36, ethers@^4.0.40:
+ethers@^4.0, ethers@^4.0.0, ethers@^4.0.36:
   version "4.0.40"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.40.tgz#6e1963d10b5d336a13cd81b519c230cc17624653"
   integrity sha512-MC9BtV7Hpq4dgFONEfanx9aU9GhhoWU270F+/wegHZXA7FR+2KXFdt36YIQYLmVY5ykUWswDxd+f9EVkIa7JOA==
@@ -3245,10 +3203,10 @@ extracted-loader@1.0.4:
   resolved "https://registry.yarnpkg.com/extracted-loader/-/extracted-loader-1.0.4.tgz#e1a3f1791813c14091a1959e261e23e95dd90115"
   integrity sha512-G8A0hT/WCWIjesZm7BwbWdST5dQ08GNnCpTrJT/k/FYzuiJwlV1gyWjnuoizOzAR4jpEYXG2J++JyEKN/EB26Q==
 
-fast-deep-equal@^2.0.1:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
-  integrity sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=
+fast-deep-equal@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+  integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
 
 fast-glob@^2.0.2:
   version "2.2.7"
@@ -3263,9 +3221,9 @@ fast-glob@^2.0.2:
     micromatch "^3.1.10"
 
 fast-json-stable-stringify@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
-  integrity sha1-1RQsDK7msRifh9OnYREGT4bIu/I=
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz#874bf69c6f404c2b5d99c481341399fd55892633"
+  integrity sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw==
 
 fastparse@^1.1.1:
   version "1.1.2"
@@ -3407,14 +3365,6 @@ find-cache-dir@^2.0.0, find-cache-dir@^2.1.0:
     make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
-find-replace@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/find-replace/-/find-replace-1.0.3.tgz#b88e7364d2d9c959559f388c66670d6130441fa0"
-  integrity sha1-uI5zZNLZyVlVnziMZmcNYTBEH6A=
-  dependencies:
-    array-back "^1.0.4"
-    test-value "^2.1.0"
-
 find-up@2.1.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
@@ -3517,7 +3467,7 @@ fs-extra@^4.0.2:
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-extra@^7.0.0, fs-extra@~7.0.0:
+fs-extra@~7.0.0:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-7.0.1.tgz#4f189c44aa123b895f722804f55ea23eadc348e9"
   integrity sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==
@@ -4443,11 +4393,6 @@ js-sha3@0.5.7:
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.5.7.tgz#0d4ffd8002d5333aabaf4a23eed2f6374c9f28e7"
   integrity sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=
 
-js-sha3@^0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.8.0.tgz#b9b7a5da73afad7dedd0f8c463954cbde6818840"
-  integrity sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==
-
 "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -5880,14 +5825,6 @@ pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-pdex-core@../pdex_core:
-  version "1.0.0"
-  dependencies:
-    "@universal-login/sdk" "^1.0.0-beta.0"
-    ethers "^4.0.40"
-    typechain "^1.0.3"
-    typechain-target-ethers "^1.0.3"
-
 pend@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
@@ -6384,11 +6321,6 @@ prepend-http@^2.0.0:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
   integrity sha1-6SQ0v6XqjBn0HN/UAddBo8gZ2Jc=
 
-prettier@^1.14.2:
-  version "1.19.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
-  integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
-
 pretty-bytes@^5.1.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-5.3.0.tgz#f2849e27db79fb4d6cfe24764fc4134f165989f2"
@@ -7675,14 +7607,6 @@ terser@^4.1.2:
     source-map "~0.6.1"
     source-map-support "~0.5.12"
 
-test-value@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/test-value/-/test-value-2.1.0.tgz#11da6ff670f3471a73b625ca4f3fdcf7bb748291"
-  integrity sha1-Edpv9nDzRxpztiXKTz/c97t0gpE=
-  dependencies:
-    array-back "^1.0.3"
-    typical "^2.6.0"
-
 through2@^2.0.0:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
@@ -7780,26 +7704,6 @@ trim-repeated@^1.0.0:
   dependencies:
     escape-string-regexp "^1.0.2"
 
-ts-essentials@^1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/ts-essentials/-/ts-essentials-1.0.4.tgz#ce3b5dade5f5d97cf69889c11bf7d2da8555b15a"
-  integrity sha512-q3N1xS4vZpRouhYHDPwO0bDW3EZ6SK9CrrDHxi/D6BPReSjpVgWIOpLS2o0gSBZm+7q/wyKp6RVM1AeeW7uyfQ==
-
-ts-generator@^0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/ts-generator/-/ts-generator-0.0.8.tgz#7bd48ca064db026d9520bcb682b69efc20971d6a"
-  integrity sha512-Gi+aZCELpVL7Mqb+GuMgM+n8JZ/arZZib1iD/R9Ok8JDjOCOCrqS9b1lr72ku7J45WeDCFZxyJoRsiQvhokCnw==
-  dependencies:
-    "@types/mkdirp" "^0.5.2"
-    "@types/prettier" "^1.13.2"
-    "@types/resolve" "^0.0.8"
-    chalk "^2.4.1"
-    glob "^7.1.2"
-    mkdirp "^0.5.1"
-    prettier "^1.14.2"
-    resolve "^1.8.1"
-    ts-essentials "^1.0.0"
-
 ts-pnp@^1.1.2:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/ts-pnp/-/ts-pnp-1.1.5.tgz#840e0739c89fce5f3abd9037bb091dbff16d9dec"
@@ -7822,25 +7726,6 @@ tunnel-agent@^0.6.0:
   dependencies:
     safe-buffer "^5.0.1"
 
-typechain-target-ethers@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/typechain-target-ethers/-/typechain-target-ethers-1.0.3.tgz#2a55eead6190c87082a3237c55a315695ef0cd43"
-  integrity sha512-01bzf/eJW9QATZcGAXhaVc1WuEup7CIW22xEu22IaNuUlRCWW0yhNGA3H0UInUBVzT7yfsSapyLB8gYTqQnDjg==
-  dependencies:
-    lodash "^4.17.15"
-
-typechain@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/typechain/-/typechain-1.0.3.tgz#c4465cdc27526989c735774ad96fadbb908bfe01"
-  integrity sha512-GG/isuyXy0vtm4fwfboMqnApU3hUF+XdrpQMMVUIhlHgm1kXxxf+w8+v8shn4gfhRoiATCZGDOt9fbE+/hMhjQ==
-  dependencies:
-    command-line-args "^4.0.7"
-    debug "^3.0.1"
-    fs-extra "^7.0.0"
-    js-sha3 "^0.8.0"
-    lodash "^4.17.15"
-    ts-generator "^0.0.8"
-
 typedarray-to-buffer@^3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
@@ -7858,11 +7743,6 @@ typescript@^3.6.4:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.2.tgz#27e489b95fa5909445e9fef5ee48d81697ad18fb"
   integrity sha512-ml7V7JfiN2Xwvcer+XAf2csGO1bPBdRbFCkYBczNZggrBZ9c7G3riSUeJmqEU5uOtXNPMhE3n+R4FA/3YOAWOQ==
 
-typical@^2.6.0, typical@^2.6.1:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/typical/-/typical-2.6.1.tgz#5c080e5d661cbbe38259d2e70a3c7253e873881d"
-  integrity sha1-XAgOXWYcu+OCWdLnCjxyU+hziB0=
-
 ua-parser-js@^0.7.18:
   version "0.7.20"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.20.tgz#7527178b82f6a62a0f243d1f94fd30e3e3c21098"
@@ -7979,9 +7859,9 @@ upath@^1.1.1:
   integrity sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg==
 
 uri-js@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
-  integrity sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  integrity sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==
   dependencies:
     punycode "^2.1.0"