diff --git a/package-lock.json b/package-lock.json
index f6faa41..04600f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -395,6 +395,14 @@
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@@ -409,6 +417,14 @@
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+      "resolved": "https://registry.npmjs.org/@types/secp256k1/-/secp256k1-4.0.1.tgz",
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       "requires": {
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+        "follow-redirects": "^1.10.0"
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+        }
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@@ -1500,6 +1524,14 @@
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@@ -1583,6 +1617,11 @@
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+      "resolved": "https://registry.npmjs.org/bs58check/-/bs58check-2.1.2.tgz",
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+        "create-hash": "^1.1.0",
+        "safe-buffer": "^5.1.2"
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+          "resolved": "https://registry.npmjs.org/bs58/-/bs58-4.0.1.tgz",
+          "integrity": "sha1-vhYedsNU9veIrkBx9j806MTwpCo=",
+          "requires": {
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+          }
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@@ -2105,7 +2165,8 @@
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+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
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@@ -2350,6 +2411,7 @@
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+      "optional": true,
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@@ -2370,7 +2432,8 @@
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+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
+      "optional": true
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@@ -2468,7 +2531,8 @@
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-      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
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@@ -2505,7 +2569,8 @@
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+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=",
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@@ -2842,6 +2907,32 @@
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         "ethereumjs-util": "^5.1.1"
+      },
+      "dependencies": {
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+          "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
+          "requires": {
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+            "ethereumjs-util": "^6.0.0"
+          },
+          "dependencies": {
+            "ethereumjs-util": {
+              "version": "6.2.1",
+              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.1.tgz",
+              "integrity": "sha512-W2Ktez4L01Vexijrm5EB6w7dg4n/TgpoYU4avuT5T3Vmnw/eCRtiBrJfQYS/DCSvDIOLn2k57GcHdeBcgVxAqw==",
+              "requires": {
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+                "bn.js": "^4.11.0",
+                "create-hash": "^1.1.2",
+                "elliptic": "^6.5.2",
+                "ethereum-cryptography": "^0.1.3",
+                "ethjs-util": "0.1.6",
+                "rlp": "^2.2.3"
+              }
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@@ -2896,50 +2987,68 @@
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+    "ethereum-cryptography": {
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+      "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-0.1.3.tgz",
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+        "@types/secp256k1": "^4.0.1",
+        "blakejs": "^1.1.0",
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-            "secp256k1": "^3.0.1"
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+        "scrypt-js": {
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+          "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
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+          "resolved": "https://registry.npmjs.org/secp256k1/-/secp256k1-4.0.2.tgz",
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-            "nan": "^2.14.0",
-            "safe-buffer": "^5.2.0"
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+          "integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
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+    "ethereum-types": {
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+      "resolved": "https://registry.npmjs.org/ethereum-types/-/ethereum-types-3.1.0.tgz",
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+      "requires": {
+        "@types/node": "*",
+        "bignumber.js": "~9.0.0"
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@@ -3308,7 +3417,8 @@
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+      "integrity": "sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg==",
+      "optional": true
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@@ -3658,7 +3768,8 @@
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@@ -3694,7 +3805,8 @@
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@@ -3712,11 +3824,13 @@
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@@ -3729,15 +3843,18 @@
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@@ -3840,7 +3957,8 @@
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@@ -3850,6 +3968,7 @@
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@@ -3862,17 +3981,20 @@
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           "bundled": true,
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         "minimist": {
           "version": "1.2.5",
-          "bundled": true
+          "bundled": true,
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@@ -3889,6 +4011,7 @@
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@@ -3944,7 +4067,8 @@
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@@ -3969,7 +4093,8 @@
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@@ -3979,6 +4104,7 @@
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@@ -4047,7 +4173,8 @@
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@@ -4077,6 +4204,7 @@
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@@ -4094,6 +4222,7 @@
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+          "optional": true,
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@@ -4132,11 +4261,13 @@
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+          "bundled": true,
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-          "bundled": true
+          "bundled": true,
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@@ -9646,7 +9777,8 @@
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+              "bundled": true,
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@@ -9664,11 +9796,13 @@
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+              "bundled": true,
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@@ -9681,15 +9815,18 @@
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+              "bundled": true,
+              "optional": true
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+              "bundled": true,
+              "optional": true
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+              "bundled": true,
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@@ -9792,7 +9929,8 @@
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@@ -9802,6 +9940,7 @@
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               "bundled": true,
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@@ -9814,17 +9953,20 @@
             "minimatch": {
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               "bundled": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
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             "minimist": {
               "version": "0.0.8",
-              "bundled": true
+              "bundled": true,
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               "bundled": true,
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@@ -9841,6 +9983,7 @@
             "mkdirp": {
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               "bundled": true,
+              "optional": true,
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@@ -9921,7 +10064,8 @@
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@@ -9931,6 +10075,7 @@
             "once": {
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               "bundled": true,
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@@ -10006,7 +10151,8 @@
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@@ -10036,6 +10182,7 @@
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@@ -10053,6 +10200,7 @@
             "strip-ansi": {
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               "bundled": true,
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@@ -10091,11 +10239,13 @@
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+              "bundled": true,
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@@ -16931,6 +17081,32 @@
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                 "ethereumjs-util": "^5.1.1"
+              },
+              "dependencies": {
+                "ethereumjs-abi": {
+                  "version": "git+https://github.com/ethereumjs/ethereumjs-abi.git#1cfbb13862f90f0b391d8a699544d5fe4dfb8c7b",
+                  "from": "git+https://github.com/ethereumjs/ethereumjs-abi.git",
+                  "requires": {
+                    "bn.js": "^4.11.8",
+                    "ethereumjs-util": "^6.0.0"
+                  },
+                  "dependencies": {
+                    "ethereumjs-util": {
+                      "version": "6.2.1",
+                      "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.1.tgz",
+                      "integrity": "sha512-W2Ktez4L01Vexijrm5EB6w7dg4n/TgpoYU4avuT5T3Vmnw/eCRtiBrJfQYS/DCSvDIOLn2k57GcHdeBcgVxAqw==",
+                      "requires": {
+                        "@types/bn.js": "^4.11.3",
+                        "bn.js": "^4.11.0",
+                        "create-hash": "^1.1.2",
+                        "elliptic": "^6.5.2",
+                        "ethereum-cryptography": "^0.1.3",
+                        "ethjs-util": "0.1.6",
+                        "rlp": "^2.2.3"
+                      }
+                    }
+                  }
+                }
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             "ethereum-common": {
@@ -18163,6 +18339,7 @@
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       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
+      "optional": true,
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@@ -18203,7 +18380,8 @@
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-      "integrity": "sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4="
+      "integrity": "sha1-l/tdlr/eiXMxPyDoKI75oWf6ZM4=",
+      "optional": true
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@@ -18348,7 +18526,8 @@
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       "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
-      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk="
+      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=",
+      "optional": true
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     "has-value": {
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@@ -18745,6 +18924,7 @@
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       "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+      "optional": true,
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@@ -19485,7 +19665,8 @@
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+      "integrity": "sha512-wXqjST+SLt7R009ySCglWBCFpjUygmCIfD790/kVbiGmUgfYGuB14PiTd5DwVxSV4NcYHjzMkoj5LjQZwTQLEA==",
+      "optional": true
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@@ -19620,7 +19801,8 @@
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+      "integrity": "sha512-ONmRUqK7zj7DWX0D9ADe03wbwOBZxNAfF20PlGfCWQcD3+/MakShIHrMqx9YwPTfxDdF1zLeL+RGZiR9kGMLdg==",
+      "optional": true
     },
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@@ -19641,10 +19823,16 @@
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+      "optional": true,
       "requires": {
         "semver": "^5.4.1"
       }
     },
+    "node-addon-api": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-2.0.2.tgz",
+      "integrity": "sha512-Ntyt4AIXyaLIuMHF6IOoTakB3K+RWxwtsHNRxllEoA6vPwP9o4866g6YWDLUdnucilZhmkxiHwHr11gAENw+QA=="
+    },
     "node-fetch": {
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       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.3.tgz",
@@ -19659,10 +19847,16 @@
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     },
+    "node-gyp-build": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.2.3.tgz",
+      "integrity": "sha512-MN6ZpzmfNCRM+3t57PTJHgHyw/h4OWnZ6mR8P5j/uZtqQr46RRuDE/P+g3n0YR/AiYXeWixZZzaip77gdICfRg=="
+    },
     "node-hid": {
       "version": "0.7.9",
       "resolved": "https://registry.npmjs.org/node-hid/-/node-hid-0.7.9.tgz",
       "integrity": "sha512-vJnonTqmq3frCyTumJqG4g2IZcny3ynkfmbfDfQ90P3ZhRzcWYS/Um1ux6HFmAxmkaQnrZqIYHcGpL7kdqY8jA==",
+      "optional": true,
       "requires": {
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@@ -19724,7 +19918,8 @@
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-      "integrity": "sha1-lKKxYzxPExdVMAfYlm/Q6EG2pMI="
+      "integrity": "sha1-lKKxYzxPExdVMAfYlm/Q6EG2pMI=",
+      "optional": true
     },
     "normalize-path": {
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@@ -19743,6 +19938,7 @@
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+      "optional": true,
       "requires": {
         "are-we-there-yet": "~1.1.2",
         "console-control-strings": "~1.1.0",
@@ -20212,6 +20408,7 @@
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+      "optional": true,
       "requires": {
         "detect-libc": "^1.0.3",
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@@ -20395,6 +20592,7 @@
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+      "optional": true,
       "requires": {
         "deep-extend": "^0.6.0",
         "ini": "~1.3.0",
@@ -20927,12 +21125,14 @@
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       "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
-      "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY="
+      "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=",
+      "optional": true
     },
     "simple-get": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-3.1.0.tgz",
       "integrity": "sha512-bCR6cP+aTdScaQCnQKbPKtJOKDp/hj9EDLJo3Nw4y1QksqaovlW/bnptB6/c1e+qmNIDHRK+oXFDdEqBT8WzUA==",
+      "optional": true,
       "requires": {
         "decompress-response": "^4.2.0",
         "once": "^1.3.1",
@@ -21293,6 +21493,7 @@
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       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+      "optional": true,
       "requires": {
         "code-point-at": "^1.0.0",
         "is-fullwidth-code-point": "^1.0.0",
@@ -21366,7 +21567,8 @@
     "strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+      "optional": true
     },
     "style-loader": {
       "version": "1.1.3",
@@ -21427,6 +21629,7 @@
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       "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.0.0.tgz",
       "integrity": "sha512-vaY0obB6Om/fso8a8vakQBzwholQ7v5+uy+tF3Ozvxv1KNezmVQAiWtcNmMHFSFPqL3dJA8ha6gdtFbfX9mcxA==",
+      "optional": true,
       "requires": {
         "chownr": "^1.1.1",
         "mkdirp": "^0.5.1",
@@ -21438,6 +21641,7 @@
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+      "optional": true,
       "requires": {
         "bl": "^4.0.1",
         "end-of-stream": "^1.4.1",
@@ -21450,6 +21654,7 @@
           "version": "3.6.0",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
           "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "optional": true,
           "requires": {
             "inherits": "^2.0.3",
             "string_decoder": "^1.1.1",
@@ -22337,12 +22542,14 @@
     "which-pm-runs": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
-      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs="
+      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs=",
+      "optional": true
     },
     "wide-align": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
       "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "optional": true,
       "requires": {
         "string-width": "^1.0.2 || 2"
       }
diff --git a/package.json b/package.json
index 8d9e971..0d0d2b9 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "@0x/subproviders": "^6.0.8",
     "@0x/utils": "^5.4.1",
     "@0x/web3-wrapper": "^7.0.7",
-    "axios": "^0.19.2",
+    "axios": "^0.21.1",
     "bootstrap": "^4.4.1",
     "css-loader": "^3.4.2",
     "style-loader": "^1.1.3",