diff --git a/package-lock.json b/package-lock.json
index 66d4371..5b8b984 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,6 +31,58 @@
         "ethereumjs-wallet": "^0.6.3",
         "web3": "1.2.1",
         "web3-provider-engine": "git+https://github.com/trufflesuite/provider-engine.git#3538c60bc4836b73ccae1ac3f64c8fed8ef19c1a"
+      },
+      "dependencies": {
+        "web3-provider-engine": {
+          "version": "git+https://github.com/trufflesuite/provider-engine.git#3538c60bc4836b73ccae1ac3f64c8fed8ef19c1a",
+          "from": "git+https://github.com/trufflesuite/provider-engine.git#web3-one",
+          "requires": {
+            "async": "^2.5.0",
+            "backoff": "^2.5.0",
+            "clone": "^2.0.0",
+            "cross-fetch": "^2.1.0",
+            "eth-block-tracker": "^3.0.0",
+            "eth-json-rpc-infura": "^3.1.0",
+            "eth-sig-util": "^1.4.2",
+            "ethereumjs-block": "^1.2.2",
+            "ethereumjs-tx": "^1.2.0",
+            "ethereumjs-util": "^5.1.5",
+            "ethereumjs-vm": "^2.3.4",
+            "json-rpc-error": "^2.0.0",
+            "json-stable-stringify": "^1.0.1",
+            "promise-to-callback": "^1.0.0",
+            "readable-stream": "^2.2.9",
+            "request": "^2.85.0",
+            "semaphore": "^1.0.3",
+            "ws": "^5.1.1",
+            "xhr": "^2.2.0",
+            "xtend": "^4.0.1"
+          },
+          "dependencies": {
+            "ethereumjs-util": {
+              "version": "5.2.1",
+              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-5.2.1.tgz",
+              "integrity": "sha512-v3kT+7zdyCm1HIqWlLNrHGqHGLpGYIhjeHxQjnDXjLT2FyGJDsd3LWMYUo7pAFRrk86CR3nUJfhC81CCoJNNGQ==",
+              "requires": {
+                "bn.js": "^4.11.0",
+                "create-hash": "^1.1.2",
+                "elliptic": "^6.5.2",
+                "ethereum-cryptography": "^0.1.3",
+                "ethjs-util": "^0.1.3",
+                "rlp": "^2.0.0",
+                "safe-buffer": "^5.1.1"
+              }
+            }
+          }
+        },
+        "ws": {
+          "version": "5.2.3",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.3.tgz",
+          "integrity": "sha512-jZArVERrMsKUatIdnLzqvcfydI85dvd/Fp1u/VOpfdDWQ4c9qWXe+VIeAbQ5FrDwciAkr+lzofXLz3Kuf26AOA==",
+          "requires": {
+            "async-limiter": "~1.0.0"
+          }
+        }
       }
     },
     "@types/bn.js": {
@@ -41,16 +93,27 @@
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       "version": "13.1.8",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-13.1.8.tgz",
       "integrity": "sha512-6XzyyNM9EKQW4HKuzbo/CkOIjn/evtCmsU+MUM1xDfJ+3/rNjBttM1NgN7AOQvN6tP1Sl1D1PIKMreTArnxM9A=="
     },
+    "@types/pbkdf2": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@types/pbkdf2/-/pbkdf2-3.1.0.tgz",
+      "integrity": "sha512-Cf63Rv7jCQ0LaL8tNXmEyqTHuIJxRdlS5vMh1mj5voN4+QFhVZnlZruezqpWYDiJ8UTzhP0VmeLXCmBk66YrMQ==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
+    "@types/secp256k1": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/@types/secp256k1/-/secp256k1-4.0.3.tgz",
+      "integrity": "sha512-Da66lEIFeIz9ltsdMZcpQvmrmmoqrfju8pm1BH8WbYjZSwUgCwXLb9C+9XYogwBITnbsSaMdVPb2ekf7TV+03w==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "abstract-leveldown": {
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/abstract-leveldown/-/abstract-leveldown-2.6.3.tgz",
@@ -59,15 +122,6 @@
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@@ -823,6 +877,11 @@
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+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.2.1.tgz",
+      "integrity": "sha512-QXUSXI3QVc/gJME0dBpXrag1kbzOqCjCX8/b54ntNyW6sjtoqxqRk3LTmXzaJoh71zMsDCjM+47jS7XiwN/+fQ=="
+    },
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@@ -1036,6 +1095,15 @@
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+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
+      "integrity": "sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==",
+      "requires": {
+        "function-bind": "^1.1.1",
+        "get-intrinsic": "^1.0.2"
+      }
+    },
     "caniuse-lite": {
       "version": "1.0.30001022",
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@@ -1089,9 +1157,9 @@
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-      "integrity": "sha512-tgU3fKwzYjiLEQgPMD9Jt+JjHVL9kW93FiIMX/l7rivvOD4/LL0Mf7gda3+4U2KJBloybwgj5KEoQgGRioMiKQ=="
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/cli-spinners/-/cli-spinners-2.7.0.tgz",
+      "integrity": "sha512-qu3pN8Y3qHNgE2AFweciB1IfMnmZ/fsNTEE+NOFjmGB2F/7rLhnhzppvpCnN4FovtP26k8lHyy9ptEbNwWFLzw=="
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@@ -1167,21 +1235,6 @@
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-      "integrity": "sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==",
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@@ -1202,11 +1255,6 @@
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@@ -1430,9 +1478,9 @@
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-      "integrity": "sha1-xlYFHpgX2f8I7YgUd/P+QBnz730=",
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/defaults/-/defaults-1.0.4.tgz",
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@@ -1440,7 +1488,7 @@
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-          "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
+          "integrity": "sha512-JQHZ2QMW6l3aH/j6xCqQThY/9OH4D/9ls34cgkUBiEeocRTU04tHfKPBsUK1PqZCUQM7GiA0IIXJSuXHI64Kbg=="
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@@ -1489,11 +1537,6 @@
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@@ -1802,6 +1845,30 @@
         "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": {
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+              "version": "6.2.1",
+              "resolved": "https://registry.npmjs.org/ethereumjs-util/-/ethereumjs-util-6.2.1.tgz",
+              "integrity": "sha512-W2Ktez4L01Vexijrm5EB6w7dg4n/TgpoYU4avuT5T3Vmnw/eCRtiBrJfQYS/DCSvDIOLn2k57GcHdeBcgVxAqw==",
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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",
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@@ -1852,9 +1919,9 @@
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+      "resolved": "https://registry.npmjs.org/ethereum-bloom-filters/-/ethereum-bloom-filters-1.0.10.tgz",
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+        "@types/secp256k1": "^4.0.1",
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@@ -2177,46 +2314,244 @@
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